Porting to Fabric/Yarn/1.14 part 1

build.gradle

@@ -1,106 +1,85 @@
-buildscript {
-  repositories {
-    jcenter()
-    maven {
-      name 'forge'
-      url 'http://files.minecraftforge.net/maven/'
-    }
-    maven {
-      name = "sonatype"
-      url = "https://oss.sonatype.org/content/repositories/snapshots/"
-    }
-    maven {
-      name = 'sponge'
-      url = 'http://repo.spongepowered.org/maven'
-    }
-  }
-  dependencies {
-    classpath 'net.minecraftforge.gradle:ForgeGradle:' + project.forgeGradleVersion
-  }
+// Fabric build script
+// 03/06/2019
+// https://github.com/FabricMC/fabric-example-mod/blob/master/build.gradle
+
+plugins {
+    id 'java-library'
+    id 'fabric-loom' version '0.2.5-SNAPSHOT'
+    id 'maven-publish'
 }
-apply plugin: 'net.minecraftforge.gradle.forge'
 
-def ver = "${project.buildType}${project.buildVersion}.${project.buildRevision}"
+targetCompatibility = JavaVersion.VERSION_1_8
+sourceCompatibility = JavaVersion.VERSION_1_8
+
+version = "${project.minecraft_version}-${project.version}"
+
+if (project.release != 'RELEASE') {
+    version += "-${project.release}"
+}
 
-version = ver
 group = project.group
-description = project.description
+description = project.displayname
+archivesBaseName = project.name
 
 minecraft {
-  version = project.mcVersion + '-' + project.mcfVersion
-  mappings = project.mcMappings
-  runDir = 'run'
-  replace '@MODID@', project.modid
-  replace '@NAME@', project.name
-  replace '@AUTHOR@', project.author
-  replace '@VERSION@', ver
-  replace '@DESCRIPTION@', project.description
-}
-
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
-
-sourceSets {
-  jei {
-    compileClasspath += main.compileClasspath
-    compileClasspath += main.output
-  }
-  external {
-    compileClasspath += main.compileClasspath
-  }
-  main {
-    compileClasspath += external.output
-    ext.refMap = project.refCore
-  }
+    refmapName = 'unicopia.mixin.refmap.json'
 }
 
 repositories {
-  flatDir {
-    dir 'lib'
-  }
-  maven {
-    // location of the maven that hosts JEI files
-    name = "Progwml6 maven"
-    url = "http://dvs1.progwml6.com/files/maven"
-  }
-  maven {
-    // location of a maven mirror for JEI files, as a fallback
-    name = "ModMaven"
-    url = "modmaven.k-4u.nl"
-  }
+    maven {
+        name = 'minelp'
+        url = 'http://repo.minelittlepony-mod.com/maven/snapshot'
+    }
+    maven {
+        name = 'minelp-release'
+        url = 'http://repo.minelittlepony-mod.com/maven/release'
+    }
 }
+
+// check for updates every build when on CI
+if (System.env.CI) {
+    configurations.all {
+        resolutionStrategy.cacheChangingModulesFor 0, 'seconds'
+    }
+}
+
 dependencies {
-  deobfCompile('com.minelittlepony:jumpingcastle:1.12.2.1.0.0:universal')
-  // compile against the JEI API but do not include it at runtime
-  deobfProvided "mezz.jei:jei_${project.mcVersion}:${project.jeiVersion}:api"
-  // at runtime, use the full JEI jar
-  runtime "mezz.jei:jei_${project.mcVersion}:${project.jeiVersion}"
+    minecraft "com.mojang:minecraft:${project.minecraft_version}"
+    mappings "net.fabricmc:yarn:${project.yarn_mappings}"
+    modApi "net.fabricmc:fabric-loader:${project.loader_version}"
+
+    compileOnly "com.google.code.findbugs:jsr305:3.0.2"
+
+    //modApi "net.fabricmc.fabric-api:fabric-api-base:0.1.0+"
+    //modApi "net.fabricmc.fabric-api:fabric-events-lifecycle-v0:0.1.0+"
+    //modApi "net.fabricmc.fabric-api:fabric-resource-loader-v0:0.1.0+"
+
+	modCompile "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
+
+    modApi "com.minelittlepony:Kirin:${project.kirin_version}"
+    include "com.minelittlepony:Kirin:${project.kirin_version}"
+
+    modImplementation "io.github.prospector.modmenu:ModMenu:1.6.2-93"
 }
 
 processResources {
-  def props = [
-    modid: project.modid,
-    name: project.title,
-    description: project.description,
-    version: ver,
-    revision: project.buildRevision,
-    mcversion: project.mcVersion,
-    author: project.author
-  ]
+    inputs.property "version", project.version
 
-  from(sourceSets.main.resources.srcDirs) {
-    include 'mcmod.info'
-    expand props
-  }
+    from(sourceSets.main.resources.srcDirs) {
+        include "fabric.mod.json"
+        expand "version": project.version
+    }
 
-  from(sourceSets.main.resources.srcDirs) {
-    exclude 'mcmod.info'
-  }
+    from(sourceSets.main.resources.srcDirs) {
+        exclude "fabric.mod.json"
+    }
 }
 
-jar {
-  from sourceSets.main.output
-  from sourceSets.external.output
-  from sourceSets.jei.output
-  baseName = "Unicopia-mc${project.mcVersion}"
+tasks.withType(JavaCompile) {
+    options.encoding = "UTF-8"
+}
+
+task sourcesJar(type: Jar, dependsOn: classes) {
+    classifier = "sources"
+    from sourceSets.main.allSource
 }

gradle.properties

@@ -1,15 +1,20 @@
-modid=unicopia
-title=Unicopia Redux
-group=com.minelittlepony.unicopia
-author=Sollace
-description=Magical Abilities for Mine Little Pony!
-buildType=inDev
-buildVersion=2
-buildRevision=11
-mcVersion=1.12.2
-mcfVersion=14.23.5.2824
-jeiVersion=4.15.0.268
-mcMappings=stable_39
-refCore=mixins.unicopia.refmap.json
-forgeGradleVersion=2.3-SNAPSHOT
-mixinGradleVersion=0.6-SNAPSHOT
+org.gradle.jvmargs=-Xmx3G
+org.gradle.daemon=false
+
+# Fabric Properties
+	# check these on https://fabricmc.net/use
+	minecraft_version=1.14.4
+	yarn_mappings=1.14.4+build.2
+	loader_version=0.4.8+
+
+# Mod Properties
+	group=com.minelittlepony
+	displayname=Unicopia Redux
+	authors=Sollace
+	description=Magical Abilities for Mine Little Pony!
+	version=3
+	release=SNAPSHOT
+
+# Dependencies
+	fabric_version=0.3.0+
+	kirin_version=1.14.4-1.4.4

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Mon Apr 15 20:00:20 CAT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.8.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-bin.zip

settings.gradle

@@ -0,0 +1,11 @@
+pluginManagement {
+    repositories {
+        jcenter()
+        maven {
+            name = 'Fabric'
+            url = 'https://maven.fabricmc.net/'
+        }
+        gradlePluginPortal()
+    }
+}
+rootProject.name = 'Unicopia'

src/api/java/baubles/api/BaubleType.java

@@ -1,14 +0,0 @@
-package baubles.api;
-
-import org.apache.commons.lang3.NotImplementedException;
-
-/*
- * stub
- */
-public enum BaubleType {
-	AMULET, RING, BELT, TRINKET, HEAD, BODY, CHARM;
-
-	public int[] getValidSlots() {
-	    throw new NotImplementedException("getValidSlots");
-	}
-}

src/api/java/baubles/api/BaublesApi.java

@@ -1,20 +0,0 @@
-package baubles.api;
-
-import org.apache.commons.lang3.NotImplementedException;
-
-import baubles.api.cap.IBaublesItemHandler;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.Item;
-
-/*
- * stub
- */
-public class BaublesApi {
-	public static IBaublesItemHandler getBaublesHandler(EntityPlayer player) {
-	    throw new NotImplementedException("getBaublesHandler");
-	}
-
-	public static int isBaubleEquipped(EntityPlayer player, Item bauble) {
-		throw new NotImplementedException("isBaubleEquipped");
-	}
-}

src/api/java/baubles/api/IBauble.java

@@ -1,60 +0,0 @@
-package baubles.api;
-
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.item.ItemStack;
-
-/**
- *
- * This interface should be extended by items that can be worn in bauble slots
- *
- * @author Azanor
- */
-public interface IBauble {
-
-	/**
-	 * This method return the type of bauble this is.
-	 * Type is used to determine the slots it can go into.
-	 */
-	public BaubleType getBaubleType(ItemStack itemstack);
-
-	/**
-	 * This method is called once per tick if the bauble is being worn by a player
-	 */
-	public default void onWornTick(ItemStack itemstack, EntityLivingBase player) {
-	}
-
-	/**
-	 * This method is called when the bauble is equipped by a player
-	 */
-	public default void onEquipped(ItemStack itemstack, EntityLivingBase player) {
-	}
-
-	/**
-	 * This method is called when the bauble is unequipped by a player
-	 */
-	public default void onUnequipped(ItemStack itemstack, EntityLivingBase player) {
-	}
-
-	/**
-	 * can this bauble be placed in a bauble slot
-	 */
-	public default boolean canEquip(ItemStack itemstack, EntityLivingBase player) {
-		return true;
-	}
-
-	/**
-	 * Can this bauble be removed from a bauble slot
-	 */
-	public default boolean canUnequip(ItemStack itemstack, EntityLivingBase player) {
-		return true;
-	}
-
-	/**
-	 * Will bauble automatically sync to client if a change is detected in its NBT or damage values?
-	 * Default is off, so override and set to true if you want to auto sync.
-	 * This sync is not instant, but occurs every 10 ticks (.5 seconds).
-	 */
-	public default boolean willAutoSync(ItemStack itemstack, EntityLivingBase player) {
-		return false;
-	}
-}

src/api/java/baubles/api/cap/IBaublesItemHandler.java

@@ -1,12 +0,0 @@
-package baubles.api.cap;
-
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.item.ItemStack;
-import net.minecraftforge.items.IItemHandlerModifiable;
-
-/*
- * stub
- */
-public interface IBaublesItemHandler extends IItemHandlerModifiable {
-	boolean isItemValidForSlot(int slot, ItemStack stack, EntityLivingBase player);
-}

src/api/java/com/minelittlepony/MineLittlePony.java

@@ -1,11 +0,0 @@
-package com.minelittlepony;
-
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
-
-@SideOnly(Side.CLIENT)
-public abstract class MineLittlePony {
-    public static MineLittlePony getInstance() {
-        throw new RuntimeException();
-    }
-}

src/api/java/com/minelittlepony/pony/data/IPony.java

@@ -1,17 +0,0 @@
-package com.minelittlepony.pony.data;
-
-import net.minecraft.client.entity.AbstractClientPlayer;
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
-
-// Stub
-@SideOnly(Side.CLIENT)
-public interface IPony {
-
-    static IPony forPlayer(AbstractClientPlayer player) {
-        return null;
-    }
-
-    PonyRace getRace(boolean ignorePony);
-
-}

src/api/java/com/minelittlepony/pony/data/PonyRace.java

@@ -1,33 +0,0 @@
-package com.minelittlepony.pony.data;
-
-import net.minecraftforge.fml.relauncher.Side;
-import net.minecraftforge.fml.relauncher.SideOnly;
-
-// Stub
-@SideOnly(Side.CLIENT)
-public enum PonyRace {
-    HUMAN,
-    EARTH,
-    PEGASUS,
-    UNICORN,
-    ALICORN,
-    CHANGELING,
-    ZEBRA,
-    REFORMED_CHANGELING,
-    GRIFFIN,
-    HIPPOGRIFF,
-    BATPONY,
-    SEAPONY;
-
-    public boolean hasHorn() {
-        return false;
-    }
-
-    public boolean hasWings() {
-        return false;
-    }
-
-    public boolean isHuman() {
-        return this == HUMAN;
-    }
-}

src/jei/java/com/minelittlepony/unicopia/jei/BlendedDrawable.java

@@ -1,32 +0,0 @@
-package com.minelittlepony.unicopia.jei;
-
-import mezz.jei.api.gui.IDrawable;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.GlStateManager;
-
-class BlendedDrawable implements IDrawable {
-
-    private final IDrawable wrapped;
-
-    public BlendedDrawable(IDrawable wrapped) {
-        this.wrapped = wrapped;
-    }
-
-    @Override
-    public int getWidth() {
-        return wrapped.getWidth();
-    }
-
-    @Override
-    public int getHeight() {
-        return wrapped.getHeight();
-    }
-
-    @Override
-    public void draw(Minecraft minecraft, int xOffset, int yOffset) {
-        GlStateManager.enableBlend();
-        wrapped.draw(minecraft, xOffset, yOffset);
-        GlStateManager.disableBlend();
-    }
-
-}

src/jei/java/com/minelittlepony/unicopia/jei/JEIUnicopia.java

@@ -1,42 +0,0 @@
-package com.minelittlepony.unicopia.jei;
-
-import com.minelittlepony.unicopia.Unicopia;
-import com.minelittlepony.unicopia.enchanting.SpecialRecipe;
-import com.minelittlepony.unicopia.enchanting.SpellRecipe;
-import com.minelittlepony.unicopia.init.UItems;
-import com.minelittlepony.unicopia.spell.SpellRegistry;
-
-import mezz.jei.api.IGuiHelper;
-import mezz.jei.api.IModPlugin;
-import mezz.jei.api.IModRegistry;
-import mezz.jei.api.ISubtypeRegistry;
-import mezz.jei.api.JEIPlugin;
-import mezz.jei.api.recipe.IRecipeCategoryRegistration;
-
-@JEIPlugin
-public class JEIUnicopia implements IModPlugin {
-
-    static IGuiHelper GUI_HELPER;
-
-    static final String RECIPE_UID = "unicopia:spellbook_2";
-
-    @Override
-    public void registerItemSubtypes(ISubtypeRegistry registry) {
-        registry.registerSubtypeInterpreter(UItems.spell, SpellRegistry::getKeyFromStack);
-        registry.registerSubtypeInterpreter(UItems.curse, SpellRegistry::getKeyFromStack);
-    }
-
-    @Override
-    public void registerCategories(IRecipeCategoryRegistration registry) {
-        registry.addRecipeCategories(new SpellbookCategory());
-    }
-
-    @Override
-    public void register(IModRegistry registry) {
-        GUI_HELPER = registry.getJeiHelpers().getGuiHelper();
-
-        registry.handleRecipes(SpellRecipe.class, SpellRecipeWrapper::new, RECIPE_UID);
-        registry.handleRecipes(SpecialRecipe.class, SpellRecipeWrapper::new, RECIPE_UID);
-        registry.addRecipes(Unicopia.getCraftingManager().getRecipes(), RECIPE_UID);
-    }
-}

src/jei/java/com/minelittlepony/unicopia/jei/SpellRecipeWrapper.java

@@ -1,37 +0,0 @@
-package com.minelittlepony.unicopia.jei;
-
-import java.util.List;
-import java.util.stream.Collectors;
-
-import com.minelittlepony.unicopia.enchanting.AbstractSpecialRecipe;
-
-import mezz.jei.api.ingredients.IIngredients;
-import mezz.jei.api.ingredients.VanillaTypes;
-import mezz.jei.api.recipe.IRecipeWrapper;
-import net.minecraft.item.ItemStack;
-
-public class SpellRecipeWrapper implements IRecipeWrapper {
-
-    private final AbstractSpecialRecipe recipe;
-
-    public SpellRecipeWrapper(AbstractSpecialRecipe recipe) {
-        this.recipe = recipe;
-    }
-
-    public AbstractSpecialRecipe getRecipe() {
-        return recipe;
-    }
-
-    @Override
-    public void getIngredients(IIngredients ingredients) {
-
-        List<List<ItemStack>> ingreds = recipe.getSpellIngredients().stream().map(ingredient -> {
-            return ingredient.getStacks().collect(Collectors.toList());
-        }).collect(Collectors.toList());
-
-        ingredients.setInputLists(VanillaTypes.ITEM, ingreds);
-
-        ingredients.setOutput(VanillaTypes.ITEM, recipe.getRecipeOutput());
-    }
-
-}

src/jei/java/com/minelittlepony/unicopia/jei/SpellbookCategory.java

@@ -1,66 +0,0 @@
-package com.minelittlepony.unicopia.jei;
-
-import com.minelittlepony.unicopia.Unicopia;
-import com.minelittlepony.unicopia.inventory.gui.GuiSpellBook;
-
-import mezz.jei.api.gui.IDrawable;
-import mezz.jei.api.gui.IGuiItemStackGroup;
-import mezz.jei.api.gui.IRecipeLayout;
-import mezz.jei.api.ingredients.IIngredients;
-import mezz.jei.api.ingredients.VanillaTypes;
-import mezz.jei.api.recipe.IRecipeCategory;
-import mezz.jei.api.recipe.IRecipeWrapper;
-import net.minecraft.util.ResourceLocation;
-
-public class SpellbookCategory implements IRecipeCategory<IRecipeWrapper> {
-
-    @Override
-    public String getUid() {
-        return JEIUnicopia.RECIPE_UID;
-    }
-
-    @Override
-    public String getTitle() {
-        return "Spellbook";
-    }
-
-    @Override
-    public IDrawable getIcon() {
-        return JEIUnicopia.GUI_HELPER.drawableBuilder(
-                new ResourceLocation(Unicopia.MODID, "textures/items/spellbook.png"), 0, 0, 16, 16)
-                .setTextureSize(16, 16)
-                .build();
-    }
-
-    @Override
-    public String getModName() {
-        return "Unicopia";
-    }
-
-    @Override
-    public IDrawable getBackground() {
-        return new BlendedDrawable(
-                JEIUnicopia.GUI_HELPER.drawableBuilder(GuiSpellBook.spellBookGuiTextures, 405, 0, 105, 108)
-                .setTextureSize(512, 256)
-                .build());
-    }
-
-    @Override
-    public void setRecipe(IRecipeLayout recipeLayout, IRecipeWrapper recipeWrapper, @Deprecated IIngredients unused) {
-        recipeLayout.setShapeless();
-
-        IGuiItemStackGroup stacks = recipeLayout.getItemStacks();
-
-        stacks.init(0, true, 29, 3);
-        stacks.init(1, true, 3, 46);
-        stacks.init(2, true, 30, 86);
-        stacks.init(3, true, 80, 72);
-        stacks.init(4, true, 82, 15);
-
-        stacks.init(5, false, 46, 44);
-
-        stacks.set(unused);
-
-        stacks.set(5, unused.getOutputs(VanillaTypes.ITEM).get(0));
-    }
-}

src/main/java/com/minelittlepony/gui/Button.java

@@ -1,64 +0,0 @@
-package com.minelittlepony.gui;
-
-import java.util.List;
-
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiButton;
-
-public class Button extends GuiButton implements IGuiTooltipped<Button> {
-
-    private int tipX = 0;
-    private int tipY = 0;
-
-    protected IGuiAction<Button> action;
-
-    private List<String> tooltip = null;
-
-    @SuppressWarnings("unchecked")
-    public Button(int x, int y, int width, int height, String label, IGuiAction<? extends Button> callback) {
-        super(5000, x, y, width, height, GameGui.format(label));
-        action = (IGuiAction<Button>)callback;
-    }
-
-    public Button setEnabled(boolean enable) {
-        enabled = enable;
-        return this;
-    }
-
-    @Override
-    public Button setTooltip(List<String> tooltip) {
-        this.tooltip = tooltip;
-        return this;
-    }
-
-    protected List<String> getTooltip() {
-        return tooltip;
-    }
-
-    @Override
-    public void renderToolTip(Minecraft mc, int mouseX, int mouseY) {
-        List<String> tooltip = getTooltip();
-
-        if (visible && isMouseOver() && tooltip != null) {
-            mc.currentScreen.drawHoveringText(tooltip, mouseX + tipX, mouseY + tipY);
-        }
-    }
-
-    @Override
-    public Button setTooltipOffset(int x, int y) {
-        tipX = x;
-        tipY = y;
-        return this;
-    }
-
-    @Override
-    public boolean mousePressed(Minecraft mc, int mouseX, int mouseY) {
-        if (super.mousePressed(mc, mouseX, mouseY)) {
-            action.perform(this);
-
-            return true;
-        }
-
-        return false;
-    }
-}

src/main/java/com/minelittlepony/gui/GameGui.java

@@ -1,62 +0,0 @@
-package com.minelittlepony.gui;
-
-import org.apache.commons.lang3.text.WordUtils;
-
-import java.util.List;
-
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.audio.PositionedSoundRecord;
-import net.minecraft.client.gui.FontRenderer;
-import net.minecraft.client.gui.GuiScreen;
-import net.minecraft.client.resources.I18n;
-import net.minecraft.util.SoundEvent;
-
-public abstract class GameGui extends GuiScreen {
-
-    protected static String format(String string, Object... pars) {
-        return string == null ? null : I18n.format(string, pars);
-    }
-
-    /**
-     * Formats a translation string and returns it in a list wrapped to a given width.
-     * This can be safely used in initGui, where the fontRenderer is often still null.
-     */
-    protected List<String> formatMultiLine(String string, int width, Object...pars) {
-        FontRenderer fr = fontRenderer;
-
-        if (fr == null) {
-            fr = Minecraft.getMinecraft().fontRenderer;
-        }
-
-        return fr.listFormattedStringToWidth(format(string, pars), width);
-    }
-
-    protected void playSound(SoundEvent event) {
-        mc.getSoundHandler().playSound(PositionedSoundRecord.getMasterRecord(event, 1));
-    }
-
-    /**
-     * Converts a given string to title case regardless of initial case.
-     */
-    protected static String toTitleCase(String string) {
-        return WordUtils.capitalize(string.toLowerCase());
-    }
-
-    @Override
-    public void drawScreen(int mouseX, int mouseY, float partialTicks) {
-        drawContents(mouseX, mouseY, partialTicks);
-        postDrawContents(mouseX, mouseY, partialTicks);
-    }
-
-    protected void drawContents(int mouseX, int mouseY, float partialTicks) {
-        super.drawScreen(mouseX, mouseY, partialTicks);
-    }
-
-    protected void postDrawContents(int mouseX, int mouseY, float partialTicks) {
-        buttonList.forEach(button -> {
-            if (button instanceof IGuiTooltipped) {
-                ((IGuiTooltipped<?>)button).renderToolTip(mc, mouseX, mouseY);
-            }
-        });
-    }
-}

src/main/java/com/minelittlepony/gui/IGuiAction.java

@@ -1,15 +0,0 @@
-package com.minelittlepony.gui;
-
-/**
- * Response actions for UI events.
- */
-@FunctionalInterface
-public interface IGuiAction<T> {
-    /**
-     * Performs this action now.
-     *
-     * @param value    New Value of the field being changed
-     * @return Adjusted value the field must take on
-     */
-    void perform(T sender);
-}

src/main/java/com/minelittlepony/gui/IGuiCallback.java

@@ -1,15 +0,0 @@
-package com.minelittlepony.gui;
-
-/**
- * Response actions for UI events.
- */
-@FunctionalInterface
-public interface IGuiCallback<T> {
-    /**
-     * Performs this action now.
-     *
-     * @param value    New Value of the field being changed
-     * @return Adjusted value the field must take on
-     */
-    T perform(T value);
-}

src/main/java/com/minelittlepony/gui/IGuiTooltipped.java

@@ -1,20 +0,0 @@
-package com.minelittlepony.gui;
-
-import net.minecraft.client.Minecraft;
-
-import com.google.common.base.Splitter;
-
-import java.util.List;
-
-public interface IGuiTooltipped<T extends IGuiTooltipped<T>> {
-
-    T setTooltip(List<String> tooltip);
-
-    T setTooltipOffset(int x, int y);
-
-    default T setTooltip(String tooltip) {
-        return setTooltip(Splitter.onPattern("\r?\n|\\\\n").splitToList(GameGui.format(tooltip)));
-    }
-
-    void renderToolTip(Minecraft mc, int mouseX, int mouseY);
-}

src/main/java/com/minelittlepony/gui/Label.java

@@ -1,44 +0,0 @@
-package com.minelittlepony.gui;
-
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiButton;
-
-/**
- * A simple label for drawing text to a gui screen.
- *
- * @author Sollace
- *
- */
-public class Label extends GuiButton {
-
-    private boolean center;
-
-    private int color;
-
-    private String text;
-
-    public Label(int x, int y, String translationString, int color) {
-        this(x, y, translationString, color, false);
-    }
-
-    public Label(int x, int y, String translationString, int color, boolean center) {
-        super(0, x, y, "");
-        this.color = color;
-        this.center = center;
-        this.text = translationString;
-    }
-
-    @Override
-    public boolean mousePressed(Minecraft mc, int mouseX, int mouseY) {
-        return false;
-    }
-
-    @Override
-    public void drawButton(Minecraft mc, int mouseX, int mouseY, float partialTicks) {
-        if (center) {
-            drawCenteredString(mc.fontRenderer, GameGui.format(text), x, y, color);
-        } else {
-            drawString(mc.fontRenderer, GameGui.format(text), x, y, color);
-        }
-    }
-}

src/main/java/com/minelittlepony/gui/Slider.java

@@ -1,44 +0,0 @@
-package com.minelittlepony.gui;
-
-import net.minecraft.client.gui.GuiSlider;
-import net.minecraft.client.gui.GuiPageButtonList.GuiResponder;
-
-/**
- * A slider for sliding.
- *
- * @author Sollace
- *
- */
-public class Slider extends GuiSlider {
-
-    private static Responder callback;
-
-    public Slider(int x, int y, float minIn, float maxIn, float defaultValue, GuiSlider.FormatHelper formatter, IGuiCallback<Float> action) {
-        super(callback = new Responder(action), 0, x, y, "", minIn, maxIn, defaultValue, formatter);
-        callback.owner = this;
-        callback = null;
-    }
-
-    private static final class Responder implements GuiResponder {
-
-        private final IGuiCallback<Float> action;
-
-        private Slider owner;
-
-        private Responder(IGuiCallback<Float> callback) {
-            action = callback;
-        }
-
-        @Override
-        public void setEntryValue(int id, boolean value) { }
-
-        @Override
-        public void setEntryValue(int id, float value) {
-            owner.setSliderValue(action.perform(value), false);
-        }
-
-        @Override
-        public void setEntryValue(int id, String value) { }
-
-    }
-}

src/main/java/com/minelittlepony/render/model/ModelQuads.java

@@ -1,32 +0,0 @@
-package com.minelittlepony.render.model;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import com.minelittlepony.util.render.Box;
-
-import net.minecraft.client.model.ModelRenderer;
-import net.minecraft.client.model.PositionTextureVertex;
-import net.minecraft.client.model.TexturedQuad;
-import net.minecraft.client.renderer.BufferBuilder;
-
-public class ModelQuads extends Box<ModelRenderer> {
-
-    public ModelQuads(ModelRenderer renderer) {
-        super(renderer, 0, 0, 0, 0, 0, 0, 0, 0, 0);
-    }
-
-    protected List<TexturedQuad> quadList = new ArrayList<TexturedQuad>();
-
-    public ModelQuads addFace(PositionTextureVertex... vertices) {
-        quadList.add(new TexturedShape2d(vertices));
-
-        return this;
-    }
-
-    public void render(BufferBuilder renderer, float scale) {
-        for (TexturedQuad i : quadList) {
-            i.draw(renderer, scale);
-        }
-    }
-}

src/main/java/com/minelittlepony/render/model/TexturedShape2d.java

@@ -1,50 +0,0 @@
-package com.minelittlepony.render.model;
-
-import net.minecraft.client.model.PositionTextureVertex;
-import net.minecraft.client.model.TexturedQuad;
-import net.minecraft.client.renderer.BufferBuilder;
-import net.minecraft.client.renderer.Tessellator;
-import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
-import net.minecraft.util.math.Vec3d;
-
-public class TexturedShape2d extends TexturedQuad {
-
-    protected boolean invertNormal;
-
-    public TexturedShape2d(PositionTextureVertex... vertices) {
-        super(vertices);
-    }
-
-    public TexturedShape2d(PositionTextureVertex[] vertices, int texcoordU1, int texcoordV1, int texcoordU2, int texcoordV2, float textureWidth, float textureHeight) {
-        super(vertices, texcoordU1, texcoordV1, texcoordU2, texcoordV2, textureWidth, textureHeight);
-    }
-
-    public TexturedShape2d setInvertNormal() {
-        invertNormal = true;
-        return this;
-    }
-
-    public void drawQuad(BufferBuilder renderer, float scale) {
-        Vec3d vec3d = vertexPositions[1].vector3D.subtractReverse(vertexPositions[0].vector3D);
-        Vec3d vec3d1 = vertexPositions[1].vector3D.subtractReverse(vertexPositions[2].vector3D);
-        Vec3d vec3d2 = vec3d1.crossProduct(vec3d).normalize();
-        float f = (float)vec3d2.x;
-        float f1 = (float)vec3d2.y;
-        float f2 = (float)vec3d2.z;
-
-        if (invertNormal) {
-            f = -f;
-            f1 = -f1;
-            f2 = -f2;
-        }
-
-        renderer.begin(7, DefaultVertexFormats.OLDMODEL_POSITION_TEX_NORMAL);
-
-        for (int i = 0; i < nVertices; ++i) {
-            PositionTextureVertex positiontexturevertex = vertexPositions[i];
-            renderer.pos(positiontexturevertex.vector3D.x * (double)scale, positiontexturevertex.vector3D.y * (double)scale, positiontexturevertex.vector3D.z * (double)scale).tex((double)positiontexturevertex.texturePositionX, (double)positiontexturevertex.texturePositionY).normal(f, f1, f2).endVertex();
-        }
-
-        Tessellator.getInstance().draw();
-    }
-}

src/main/java/com/minelittlepony/unicopia/ClientHooks.java

@@ -1,88 +1,63 @@
 package com.minelittlepony.unicopia;
 
-import com.minelittlepony.unicopia.forgebullshit.FUF;
-import com.minelittlepony.unicopia.hud.UHud;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.IView;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.unicopia.client.gui.UHud;
+import com.minelittlepony.unicopia.entity.player.ICamera;
+import com.mojang.blaze3d.platform.GlStateManager;
 
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiOptions;
-import net.minecraft.client.gui.GuiShareToLan;
-import net.minecraft.client.renderer.GlStateManager;
-import net.minecraftforge.client.event.EntityViewRenderEvent;
-import net.minecraftforge.client.event.FOVUpdateEvent;
-import net.minecraftforge.client.event.GuiScreenEvent;
-import net.minecraftforge.client.event.RenderGameOverlayEvent;
-import net.minecraftforge.client.event.RenderLivingEvent;
-import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
-import net.minecraftforge.fml.common.Mod.EventBusSubscriber;
-import net.minecraftforge.fml.common.eventhandler.EventPriority;
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
-import net.minecraftforge.fml.common.gameevent.TickEvent;
-import net.minecraftforge.fml.common.gameevent.TickEvent.Phase;
-import net.minecraftforge.fml.relauncher.Side;
+import net.minecraft.client.MinecraftClient;
 
-@EventBusSubscriber(value = Side.CLIENT, modid = Unicopia.MODID)
 class ClientHooks {
     // This fixes lighting errors on the armour slots.
     // #MahjongPls
-    @FUF(reason = "Forge should fix this. Cancelling their event skips neccessary state resetting at the end of the render method")
-    @SubscribeEvent
-    public static void postEntityRender(RenderLivingEvent.Post<?> event) {
-        GlStateManager.enableAlpha();
+    public static void postEntityRender() {
+        GlStateManager.enableAlphaTest();
 
         UClient.instance().postRenderEntity(event.getEntity());
     }
 
-    @SubscribeEvent
-    public static void preEntityRender(RenderLivingEvent.Pre<?> event) {
+    public static void preEntityRender() {
         if (UClient.instance().renderEntity(event.getEntity(), event.getPartialRenderTick())) {
             event.setCanceled(true);
         }
     }
 
-    @SubscribeEvent
     public static void onDisplayGui(GuiScreenEvent.InitGuiEvent.Post event) {
         if (event.getGui() instanceof GuiOptions || event.getGui() instanceof GuiShareToLan) {
             UnicopiaClient.addUniButton(event.getButtonList());
         }
     }
 
-    @SubscribeEvent
     public static void onGameTick(TickEvent.ClientTickEvent event) {
         if (event.phase == Phase.END) {
             UClient.instance().tick();
         }
     }
 
-    @SubscribeEvent(priority = EventPriority.HIGHEST)
     public static void beforePreRenderHud(RenderGameOverlayEvent.Pre event) {
         GlStateManager.pushMatrix();
 
         if (event.getType() != ElementType.ALL) {
             IPlayer player = UClient.instance().getIPlayer();
 
-            if (player != null && Minecraft.getMinecraft().world != null) {
+            if (player != null && MinecraftClient.getInstance().world != null) {
                 UHud.instance.repositionElements(player, event.getResolution(), event.getType(), true);
             }
         }
     }
 
-    @SubscribeEvent(priority = EventPriority.LOWEST, receiveCanceled = true)
     public static void afterPreRenderHud(RenderGameOverlayEvent.Pre event) {
         if (event.isCanceled()) {
             GlStateManager.popMatrix();
         }
     }
 
-    @SubscribeEvent(priority = EventPriority.LOWEST)
     public static void postRenderHud(RenderGameOverlayEvent.Post event) {
 
         if (event.getType() == ElementType.ALL) {
             IPlayer player = UClient.instance().getIPlayer();
 
-            if (player != null && Minecraft.getMinecraft().world != null) {
+            if (player != null && MinecraftClient.getInstance().world != null) {
                 UHud.instance.renderHud(player, event.getResolution());
             }
         }
@@ -90,18 +65,21 @@ class ClientHooks {
         GlStateManager.popMatrix();
     }
 
-    @SubscribeEvent
-    public static void modifyFOV(FOVUpdateEvent event) {
-        event.setNewfov(PlayerSpeciesList.instance().getPlayer(event.getEntity()).getCamera().calculateFieldOfView(event.getFov()));
+    public static void registerItemColours(ColorHandlerEvent.Item event) {
+        UItems.registerColors(event.getItemColors());
+        UBlocks.registerColors(event.getItemColors(), event.getBlockColors());
+    }
+
+    public static void modifyFOV(FOVUpdateEvent event) {
+        event.setNewfov(SpeciesList.instance().getPlayer(event.getEntity()).getCamera().calculateFieldOfView(event.getFov()));
     }
 
-    @SubscribeEvent
     public static void setupPlayerCamera(EntityViewRenderEvent.CameraSetup event) {
 
         IPlayer player = UClient.instance().getIPlayer();
 
         if (player != null) {
-            IView view = player.getCamera();
+            ICamera view = player.getCamera();
 
             event.setRoll(view.calculateRoll());
             event.setPitch(view.calculatePitch(event.getPitch()));

src/main/java/com/minelittlepony/unicopia/CloudType.java

@@ -3,8 +3,8 @@ package com.minelittlepony.unicopia;
 import com.minelittlepony.unicopia.entity.EntityCloud;
 
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.ItemEntity;
+import net.minecraft.entity.player.PlayerEntity;
 
 public enum CloudType {
     NORMAL,
@@ -20,22 +20,22 @@ public enum CloudType {
             return true;
         }
 
-        if (e instanceof EntityPlayer) {
+        if (e instanceof PlayerEntity) {
 
             if (this == PACKED) {
                 return true;
             }
 
-            return Predicates.INTERACT_WITH_CLOUDS.test((EntityPlayer)e)
-                || (Predicates.MAGI.test(e) && EntityCloud.getFeatherEnchantStrength((EntityPlayer)e) > 0);
+            return Predicates.INTERACT_WITH_CLOUDS.test((PlayerEntity)e)
+                || (Predicates.MAGI.test(e) && EntityCloud.getFeatherEnchantStrength((PlayerEntity)e) > 0);
         }
 
-        if (e instanceof EntityItem) {
-            return Predicates.ITEM_INTERACT_WITH_CLOUDS.test((EntityItem)e);
+        if (e instanceof ItemEntity) {
+            return Predicates.ITEM_INTERACT_WITH_CLOUDS.test((ItemEntity)e);
         }
 
-        if (e instanceof EntityCloud && e.isRiding()) {
-            return canInteract(e.getRidingEntity());
+        if (e instanceof EntityCloud && e.hasVehicle()) {
+            return canInteract(e.getVehicle());
         }
 
         return false;

src/main/java/com/minelittlepony/unicopia/Fixes.java

@@ -1,151 +0,0 @@
-package com.minelittlepony.unicopia;
-
-import com.minelittlepony.unicopia.init.UBlocks;
-import com.minelittlepony.util.fixers.BlockFixer;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.util.datafix.DataFixer;
-import net.minecraft.util.datafix.FixTypes;
-import net.minecraft.util.datafix.IFixableData;
-import net.minecraftforge.common.util.CompoundDataFixer;
-import net.minecraftforge.common.util.ModFixs;
-
-public class Fixes {
-
-    static void init(DataFixer fixer) {
-
-        CompoundDataFixer forgeDataFixer = (CompoundDataFixer)fixer;
-
-        try {
-            ModFixs modfix = forgeDataFixer.init(Unicopia.MODID, 1343);
-
-            modfix.registerFix(FixTypes.CHUNK, new FixCloudBlocks());
-            modfix.registerFix(FixTypes.ITEM_INSTANCE, new FixCloudItems());
-            modfix.registerFix(FixTypes.ITEM_INSTANCE, new FixItems());
-
-        } catch (Throwable ignored) {
-            // no way to check if our fixer is already registered.
-            // so just do it anyway and ignore the error.
-            // @FUF(reason = "FUF")
-        }
-    }
-
-    static class FixItems implements IFixableData {
-
-        private final String[] cloud_spawners = new String[] {
-                "unicopia:racing_cloud_spawner",
-                "unicopia:construction_cloud_spawner",
-                "unicopia:wild_cloud_spawner"
-        };
-
-        @Override
-        public int getFixVersion() {
-            return 1343;
-        }
-
-        @Override
-        public NBTTagCompound fixTagCompound(NBTTagCompound compound) {
-            if (compound.hasKey("id", 8)) {
-                String id = compound.getString("id");
-                int damage = compound.hasKey("Damage", 3) ? compound.getInteger("Damage") : 0;
-
-                if (id == "unicopia:cloud") {
-                    id = cloud_spawners[damage % cloud_spawners.length];
-                    damage = 0;
-                }
-
-                if (id == "unicopia:tomato" && damage == 1) {
-                    id = "unicopia:rotten_tomato";
-                    damage = 0;
-                }
-
-                if (id == "unicopia:cloudsdale_tomato" && damage == 1) {
-                    id = "unicopia:rotten_cloudsdale_tomato";
-                    damage = 0;
-                }
-
-                compound.setString("id", id);
-                compound.setInteger("Damage", 0);
-            }
-
-            return compound;
-        }
-
-    }
-
-    static class FixCloudItems implements IFixableData {
-        @Override
-        public int getFixVersion() {
-            return 1342;
-        }
-
-        @Override
-        public NBTTagCompound fixTagCompound(NBTTagCompound compound) {
-
-            if (compound.hasKey("id", 8) && compound.hasKey("Damage", 3)) {
-                String id = compound.getString("id");
-                int damage = compound.getInteger("Damage");
-
-                if (id == "unicopia:cloud_block") {
-                    if (damage == 1) {
-                        damage = 0;
-                        id = "unicopia:packed_cloud_block";
-                    } else if (damage == 2) {
-                        damage = 0;
-                        id = "unicopia:enchanted_cloud_block";
-                    }
-                }
-
-                if (id == "unicopia:cloud_slab") {
-                    if (damage == 1) {
-                        damage = 0;
-                        id = "unicopia:packed_cloud_slab";
-                    } else if (damage == 2) {
-                        damage = 0;
-                        id = "unicopia:enchanted_cloud_slab";
-                    }
-                }
-
-                compound.setString("id", id);
-                compound.setInteger("Damage", 0);
-            }
-
-            return compound;
-        }
-    }
-
-    static class FixCloudBlocks extends BlockFixer {
-
-        @Override
-        public int getFixVersion() {
-            return 1342;
-        }
-
-        @Override
-        protected IBlockState fixBlockState(int id, int metadata) {
-            if (id == Block.getIdFromBlock(UBlocks.normal_cloud) && metadata != 0) {
-                if (metadata == 1) {
-                    return UBlocks.packed_cloud.getDefaultState();
-                }
-                if (metadata == 2) {
-                    return UBlocks.enchanted_cloud.getDefaultState();
-                }
-            }
-
-            int shifted = metadata % 8;
-
-            if (id == Block.getIdFromBlock(UBlocks.cloud_slab) && shifted != 0) {
-                if (shifted == 1) {
-                    return UBlocks.packed_cloud_slab.getStateFromMeta(metadata - shifted);
-                }
-                if (shifted == 2) {
-                    return UBlocks.enchanted_cloud_slab.getStateFromMeta(metadata - shifted);
-                }
-            }
-
-            return null;
-        }
-    }
-}

src/main/java/com/minelittlepony/unicopia/MineLP.java

@@ -1,11 +1,6 @@
-package com.minelittlepony.unicopia.extern;
+package com.minelittlepony.unicopia;
 
-import com.minelittlepony.MineLittlePony;
-import com.minelittlepony.pony.data.IPony;
-import com.minelittlepony.pony.data.PonyRace;
-import com.minelittlepony.unicopia.Race;
-
-import net.minecraft.client.Minecraft;
+import net.minecraft.client.MinecraftClient;
 
 public final class MineLP {
     private static boolean checkComplete;
@@ -34,7 +29,7 @@ public final class MineLP {
             return Race.HUMAN;
         }
 
-        switch (IPony.forPlayer(Minecraft.getMinecraft().player).getRace(false)) {
+        switch (IPony.forPlayer(MinecraftClient.getInstance().player).getRace(false)) {
             case ALICORN:
                 return Race.ALICORN;
             case CHANGELING:

src/main/java/com/minelittlepony/unicopia/Predicates.java

@@ -1,50 +1,49 @@
 package com.minelittlepony.unicopia;
 
 import com.google.common.base.Predicate;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
 
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.ItemEntity;
+import net.minecraft.entity.player.PlayerEntity;
 
 public final class Predicates {
-    public static final Predicate<EntityPlayer> INTERACT_WITH_CLOUDS = player -> {
-        return player != null && PlayerSpeciesList.instance().getPlayer(player).getPlayerSpecies().canInteractWithClouds();
+    public static final Predicate<PlayerEntity> INTERACT_WITH_CLOUDS = player -> {
+        return player != null && SpeciesList.instance().getPlayer(player).getSpecies().canInteractWithClouds();
     };
 
     public static final Predicate<Entity> MAGI = entity -> {
-        return entity instanceof EntityPlayer && PlayerSpeciesList.instance().getPlayer((EntityPlayer)entity).getPlayerSpecies().canCast();
+        return entity instanceof PlayerEntity && SpeciesList.instance().getPlayer((PlayerEntity)entity).getSpecies().canCast();
     };
 
     public static final Predicate<Entity> ITEMS = entity -> {
-        return entity instanceof EntityItem && entity.isEntityAlive() && entity.ticksExisted > 1;
+        return entity instanceof ItemEntity && entity.isAlive() && entity.age > 1;
     };
 
-    public static final Predicate<EntityItem> ITEM_INTERACT_WITH_CLOUDS = item -> {
-        return ITEMS.test(item) && PlayerSpeciesList.instance().getEntity(item).getPlayerSpecies().canInteractWithClouds();
+    public static final Predicate<ItemEntity> ITEM_INTERACT_WITH_CLOUDS = item -> {
+        return ITEMS.test(item) && SpeciesList.instance().getEntity(item).getSpecies().canInteractWithClouds();
     };
 
     public static final Predicate<Entity> ENTITY_INTERACT_WITH_CLOUDS = entity -> {
         return entity != null && (
-                    (entity instanceof EntityPlayer && INTERACT_WITH_CLOUDS.test((EntityPlayer)entity))
-                 || (entity instanceof EntityItem && ITEM_INTERACT_WITH_CLOUDS.test((EntityItem)entity))
+                    (entity instanceof PlayerEntity && INTERACT_WITH_CLOUDS.test((PlayerEntity)entity))
+                 || (entity instanceof ItemEntity && ITEM_INTERACT_WITH_CLOUDS.test((ItemEntity)entity))
               );
     };
 
     public static final Predicate<Entity> BUGGY = entity -> {
-        return entity instanceof EntityPlayer
-                && PlayerSpeciesList.instance().getPlayer((EntityPlayer)entity).getPlayerSpecies() == Race.CHANGELING;
+        return entity instanceof PlayerEntity
+                && SpeciesList.instance().getPlayer((PlayerEntity)entity).getSpecies() == Race.CHANGELING;
     };
 
-    public static EntityPlayer getPlayerFromEntity(Entity entity) {
-        if (entity instanceof EntityPlayer) {
-            return (EntityPlayer) entity;
+    public static PlayerEntity getPlayerFromEntity(Entity entity) {
+        if (entity instanceof PlayerEntity) {
+            return (PlayerEntity) entity;
         }
 
-        if (entity instanceof EntityItem) {
-            EntityItem item = (EntityItem)entity;
+        if (entity instanceof ItemEntity) {
+            ItemEntity item = (ItemEntity)entity;
             if (item.getOwner() != null) {
-                return item.getEntityWorld().getPlayerEntityByName(item.getOwner());
+                return item.getEntityWorld().getPlayerByUuid(item.getOwner());
             }
         }
 

src/main/java/com/minelittlepony/unicopia/SpeciesList.java

@@ -0,0 +1,83 @@
+package com.minelittlepony.unicopia;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import javax.annotation.Nullable;
+
+import com.minelittlepony.unicopia.UConfig;
+import com.minelittlepony.unicopia.ducks.IRaceContainerHolder;
+import com.minelittlepony.unicopia.entity.IEntity;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+
+public class SpeciesList {
+
+    private static final SpeciesList instance = new SpeciesList();
+
+    public static SpeciesList instance() {
+        return instance;
+    }
+
+    public boolean whiteListRace(Race race) {
+        boolean result = UConfig.instance().getSpeciesWhiteList().add(race);
+
+        UConfig.instance().save();
+
+        return result;
+    }
+
+    public boolean unwhiteListRace(Race race) {
+        boolean result = UConfig.instance().getSpeciesWhiteList().remove(race);
+
+        UConfig.instance().save();
+
+        return result;
+    }
+
+    public boolean speciesPermitted(Race race, PlayerEntity sender) {
+        if (race.isOp() && (sender == null || !sender.abilities.creativeMode)) {
+            return false;
+        }
+
+        return race.isDefault() || UConfig.instance().getSpeciesWhiteList().isEmpty() || UConfig.instance().getSpeciesWhiteList().contains(race);
+    }
+
+    public Race validate(Race race, PlayerEntity sender) {
+        if (!speciesPermitted(race, sender)) {
+            race = Race.EARTH;
+
+            if (!speciesPermitted(race, sender)) {
+                race = Race.HUMAN;
+            }
+        }
+
+        return race;
+    }
+
+    @Nullable
+    public IPlayer getPlayer(@Nullable PlayerEntity player) {
+        return this.<IPlayer>getEntity(player);
+    }
+
+    @Nullable
+    public IPlayer getPlayer(UUID playerId) {
+        return getPlayer(IPlayer.fromServer(playerId));
+    }
+
+    @Nullable
+    public <T extends IEntity> T getEntity(Entity entity) {
+        return this.<Entity, T>getForEntity(entity)
+                .map(IRaceContainerHolder::getRaceContainer)
+                .orElse(null);
+    }
+
+    @SuppressWarnings("unchecked")
+    public <E extends Entity, T extends IEntity> Optional<IRaceContainerHolder<T>> getForEntity(Entity entity) {
+        if (entity instanceof IRaceContainerHolder) {
+            return Optional.of(((IRaceContainerHolder<T>)entity));
+        }
+        return Optional.empty();
+    }
+}

src/main/java/com/minelittlepony/unicopia/UBlocks.java

@@ -0,0 +1,124 @@
+package com.minelittlepony.unicopia;
+
+import javax.annotation.Nullable;
+
+import com.minelittlepony.unicopia.CloudType;
+import com.minelittlepony.unicopia.Unicopia;
+import com.minelittlepony.unicopia.block.BlockAlfalfa;
+import com.minelittlepony.unicopia.block.ChiselledChitinBlock;
+import com.minelittlepony.unicopia.block.ChitinBlock;
+import com.minelittlepony.unicopia.block.FruitLeavesBlock;
+import com.minelittlepony.unicopia.block.GlowingGemBlock;
+import com.minelittlepony.unicopia.block.BlockGrowingCuccoon;
+import com.minelittlepony.unicopia.block.HiveWallBlock;
+import com.minelittlepony.unicopia.block.IColourful;
+import com.minelittlepony.unicopia.block.SlimeLayerBlock;
+import com.minelittlepony.unicopia.block.StickBlock;
+import com.minelittlepony.unicopia.block.BlockCloudAnvil;
+import com.minelittlepony.unicopia.block.BlockCloudBanister;
+import com.minelittlepony.unicopia.block.BlockCloudSlab;
+import com.minelittlepony.unicopia.block.BlockCloudStairs;
+import com.minelittlepony.unicopia.block.BlockDutchDoor;
+import com.minelittlepony.unicopia.block.SugarBlock;
+import com.minelittlepony.unicopia.block.UPot;
+import com.minelittlepony.unicopia.block.USapling;
+import com.minelittlepony.unicopia.block.BlockTomatoPlant;
+import com.minelittlepony.unicopia.item.ItemApple;
+import com.minelittlepony.unicopia.block.BlockCloudDoor;
+import com.minelittlepony.unicopia.block.BlockDiamondDoor;
+import com.minelittlepony.unicopia.block.BlockCloudFarm;
+import com.minelittlepony.unicopia.block.BlockCloudFence;
+import com.minelittlepony.unicopia.block.BlockCloud;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.Material;
+import net.minecraft.client.color.block.BlockColors;
+import net.minecraft.client.color.item.ItemColors;
+import net.minecraft.client.color.world.BiomeColors;
+import net.minecraft.client.color.world.GrassColors;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemStack;
+
+public class UBlocks {
+    public static final BlockCloud normal_cloud = register(new BlockCloud(UMaterials.cloud, CloudType.NORMAL, Unicopia.MODID, "cloud_block"));
+    public static final BlockCloud enchanted_cloud = register(new BlockCloud(UMaterials.cloud, CloudType.ENCHANTED, Unicopia.MODID, "enchanted_cloud_block"));
+    public static final BlockCloud packed_cloud = register(new BlockCloud(UMaterials.cloud, CloudType.PACKED, Unicopia.MODID, "packed_cloud_block"));
+
+    public static final BlockCloudStairs cloud_stairs = register(new BlockCloudStairs(normal_cloud.getDefaultState(), Unicopia.MODID, "cloud_stairs"));
+
+    public static final BlockCloudSlab.Single<?> cloud_slab = register(new BlockCloudSlab.Single<>(normal_cloud, UMaterials.cloud, Unicopia.MODID, "cloud_slab"));
+    public static final BlockCloudSlab.Single<?> enchanted_cloud_slab = register(new BlockCloudSlab.Single<>(enchanted_cloud, UMaterials.cloud, Unicopia.MODID, "enchanted_cloud_slab"));
+    public static final BlockCloudSlab.Single<?> packed_cloud_slab = register(new BlockCloudSlab.Single<>(enchanted_cloud, UMaterials.cloud, Unicopia.MODID, "packed_cloud_slab"));
+
+    public static final BlockCloudDoor mist_door = register(new BlockCloudDoor(UMaterials.cloud, Unicopia.MODID, "mist_door", () -> UItems.mist_door));
+    public static final Block library_door = register(new BlockDutchDoor(Material.WOOD, Unicopia.MODID, "library_door", () -> UItems.library_door)
+            .setSoundType(SoundType.WOOD)
+            .setHardness(3));
+    public static final Block bakery_door = register(new BlockDutchDoor(Material.WOOD, Unicopia.MODID, "bakery_door", () -> UItems.bakery_door)
+            .setSoundType(SoundType.WOOD)
+            .setHardness(3));
+    public static final Block diamond_door = register(new BlockDiamondDoor(Unicopia.MODID, "diamond_door", () -> UItems.diamond_door));
+
+    public static final GlowingGemBlock enchanted_torch = register(new GlowingGemBlock(Unicopia.MODID, "enchanted_torch"));
+
+    public static final BlockCloudAnvil anvil = register(new BlockCloudAnvil(Unicopia.MODID, "anvil"));
+
+    public static final BlockCloudFence cloud_fence = register(new BlockCloudFence(UMaterials.cloud, CloudType.NORMAL, Unicopia.MODID, "cloud_fence"));
+    public static final BlockCloudBanister cloud_banister = register(new BlockCloudBanister(UMaterials.cloud, Unicopia.MODID, "cloud_banister"));
+
+    public static final BlockAlfalfa alfalfa = register(new BlockAlfalfa(Unicopia.MODID, "alfalfa"));
+
+    public static final StickBlock stick = register(new StickBlock(Unicopia.MODID, "stick"));
+    public static final BlockTomatoPlant tomato_plant = register(new BlockTomatoPlant(Unicopia.MODID, "tomato_plant"));
+
+    public static final BlockCloudFarm cloud_farmland = register(new BlockCloudFarm(Unicopia.MODID, "cloud_farmland"));
+
+    public static final HiveWallBlock hive = register(new HiveWallBlock(Unicopia.MODID, "hive"));
+    public static final ChitinBlock chitin = register(new ChitinBlock(Unicopia.MODID, "chitin_block"));
+    public static final Block chissled_chitin = register(new ChiselledChitinBlock(Unicopia.MODID, "chissled_chitin"));
+
+    public static final BlockGrowingCuccoon cuccoon = register(new BlockGrowingCuccoon(Unicopia.MODID, "cuccoon"));
+    public static final SlimeLayerBlock slime_layer = register(new SlimeLayerBlock(Unicopia.MODID, "slime_layer"));
+
+    public static final Block sugar_block = register(new SugarBlock(Unicopia.MODID, "sugar_block"));
+    public static final UPot flower_pot = register(new UPot(), "flower_pot");
+
+    public static final USapling apple_tree = register(new USapling(Unicopia.MODID, "apple_sapling")
+            .setTreeGen((w, s, m) -> new WorldGenTrees(true, 5, Blocks.LOG.getDefaultState(), UBlocks.apple_leaves.getDefaultState(), false));
+    public static final Block apple_leaves = register(new FruitLeavesBlock()
+            .growthChance(1200)
+            .tint(0xFFEE81)
+            .fruit(ItemApple::getRandomItemStack)
+            .compost(w -> new ItemStack(UItems.rotten_apple))), "apple_leaves");
+
+
+    private static <T extends Block> T register(T block) {
+        return block;
+    }
+
+    static void registerColors(ItemColors items, BlockColors blocks) {
+        items.register((stack, tint) -> {
+            @SuppressWarnings("deprecation")
+            BlockState state = ((BlockItem)stack.getItem()).getBlock().getStateFromMeta(stack.getMetadata());
+
+            return blocks.getColorMultiplier(state, null, null, tint);
+        }, apple_leaves);
+        blocks.register((state, world, pos, tint) -> {
+            Block block = state.getBlock();
+
+            if (block instanceof IColourful) {
+                return ((IColourful)block).getCustomTint(state, tint);
+            }
+
+            if (world != null && pos != null) {
+                return BiomeColors.getGrassColor(world, pos);
+            }
+
+            return GrassColors.getColor(0.5D, 1);
+        }, apple_leaves);
+    }
+
+    static void bootstrap() { }
+}

src/main/java/com/minelittlepony/unicopia/UClient.java

@@ -6,25 +6,20 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.entity.EntityFakeServerPlayer;
-import com.minelittlepony.unicopia.forgebullshit.FUF;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 import com.mojang.authlib.GameProfile;
 
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.world.IInteractionObject;
-import net.minecraft.world.WorldServer;
+import net.minecraft.entity.player.PlayerEntity;
 
 public class UClient {
 
     private static UClient instance;
 
     public static boolean isClientSide() {
-        return net.minecraftforge.fml.common.FMLCommonHandler.instance().getSide().isClient();
+        return false;
     }
 
-    @FUF(reason = "Forced client Separation")
     public static UClient instance() {
         if (instance == null) {
             if (isClientSide()) {
@@ -37,30 +32,26 @@ public class UClient {
         return instance;
     }
 
-    @FUF(reason = "Forced client Separation")
-    public void displayGuiToPlayer(EntityPlayer player, IInteractionObject inventory) {
+    public void displayGuiToPlayer(PlayerEntity player, InteractionObject inventory) {
         player.displayGui(inventory);
     }
 
-    @FUF(reason = "Forced client Separation")
     @Nullable
-    public EntityPlayer getPlayer() {
+    public PlayerEntity getPlayer() {
         return null;
     }
 
     @Nullable
     public IPlayer getIPlayer() {
-        return PlayerSpeciesList.instance().getPlayer(getPlayer());
+        return SpeciesList.instance().getPlayer(getPlayer());
     }
 
-    @FUF(reason = "Forced client Separation")
     @Nullable
-    public EntityPlayer getPlayerByUUID(UUID playerId) {
+    public PlayerEntity getPlayerByUUID(UUID playerId) {
         return null;
     }
 
-    @FUF(reason = "Forced client Separation")
-    public boolean isClientPlayer(@Nullable EntityPlayer player) {
+    public boolean isClientPlayer(@Nullable PlayerEntity player) {
         return false;
     }
 
@@ -74,7 +65,7 @@ public class UClient {
      * Returns an implementation of EntityPlayer appropriate to the side being called on.
      */
     @Nonnull
-    public EntityPlayer createPlayer(Entity observer, GameProfile profile) {
+    public PlayerEntity createPlayer(Entity observer, GameProfile profile) {
         return new EntityFakeServerPlayer((WorldServer)observer.world, profile);
     }
 

src/main/java/com/minelittlepony/unicopia/UEffects.java

@@ -0,0 +1,31 @@
+package com.minelittlepony.unicopia;
+
+import com.minelittlepony.unicopia.Unicopia;
+
+import net.minecraft.entity.damage.DamageSource;
+import net.minecraft.entity.effect.StatusEffect;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+import net.minecraft.potion.Potion;
+
+public class UEffects {
+
+    public static final DamageSource food_poisoning = new DamageSource("food_poisoning").bypassesArmor();
+
+    public static final StatusEffect FOOD_POISONING = new UPotion(Unicopia.MODID, "food_poisoning", true, 3484199)
+            .setIconIndex(3, 1)
+            .setSilent()
+            .setEffectiveness(0.25)
+            .setApplicator((p, e, i) -> {
+
+                StatusEffectInstance nausea = e.getActivePotionEffect(StatusEffects.NAUSEA);
+                if (nausea == null) {
+                    StatusEffect foodEffect = e.getActivePotionEffect(p);
+                    nausea = new StatusEffectInstance(StatusEffects.NAUSEA, foodEffect.getDuration(), foodEffect.getAmplifier(), foodEffect.getIsAmbient(), foodEffect.doesShowParticles());
+
+                    e.addPotionEffect(nausea);
+                }
+
+                e.attackEntityFrom(food_poisoning, i);
+            });
+}

src/main/java/com/minelittlepony/unicopia/UEntities.java

@@ -1,6 +1,14 @@
-package com.minelittlepony.unicopia.init;
+package com.minelittlepony.unicopia;
 
 import com.minelittlepony.unicopia.Unicopia;
+import com.minelittlepony.unicopia.client.render.entity.ButterflyEntityRenderer;
+import com.minelittlepony.unicopia.client.render.entity.RenderCloud;
+import com.minelittlepony.unicopia.client.render.entity.RenderCuccoon;
+import com.minelittlepony.unicopia.client.render.entity.RenderGem;
+import com.minelittlepony.unicopia.client.render.entity.RenderProjectile;
+import com.minelittlepony.unicopia.client.render.entity.RenderRainbow;
+import com.minelittlepony.unicopia.client.render.entity.RenderSpear;
+import com.minelittlepony.unicopia.client.render.entity.RenderSpellbook;
 import com.minelittlepony.unicopia.entity.EntityButterfly;
 import com.minelittlepony.unicopia.entity.EntityCloud;
 import com.minelittlepony.unicopia.entity.EntityConstructionCloud;
@@ -8,20 +16,12 @@ import com.minelittlepony.unicopia.entity.EntityCuccoon;
 import com.minelittlepony.unicopia.entity.EntityRacingCloud;
 import com.minelittlepony.unicopia.entity.EntityRainbow;
 import com.minelittlepony.unicopia.entity.EntitySpear;
-import com.minelittlepony.unicopia.entity.EntitySpell;
+import com.minelittlepony.unicopia.entity.SpellcastEntity;
 import com.minelittlepony.unicopia.entity.EntitySpellbook;
-import com.minelittlepony.unicopia.entity.EntityProjectile;
 import com.minelittlepony.unicopia.entity.EntityWildCloud;
+import com.minelittlepony.unicopia.entity.item.AdvancedProjectileEntity;
 import com.minelittlepony.unicopia.forgebullshit.BiomeBS;
 import com.minelittlepony.unicopia.forgebullshit.EntityType;
-import com.minelittlepony.unicopia.render.RenderButterfly;
-import com.minelittlepony.unicopia.render.RenderCloud;
-import com.minelittlepony.unicopia.render.RenderCuccoon;
-import com.minelittlepony.unicopia.render.RenderGem;
-import com.minelittlepony.unicopia.render.RenderProjectile;
-import com.minelittlepony.unicopia.render.RenderRainbow;
-import com.minelittlepony.unicopia.render.RenderSpear;
-import com.minelittlepony.unicopia.render.RenderSpellbook;
 
 import net.minecraft.entity.EnumCreatureType;
 import net.minecraft.world.biome.Biome;
@@ -45,24 +45,24 @@ public class UEntities {
                 builder.creature(EntityWildCloud.class, "wild_cloud"),
                 builder.creature(EntityRacingCloud.class, "racing_cloud"),
                 builder.creature(EntityConstructionCloud.class, "construction_cloud"),
-                builder.creature(EntitySpell.class, "magic_spell"),
+                builder.creature(SpellcastEntity.class, "magic_spell"),
                 builder.creature(EntitySpellbook.class, "spellbook"),
                 builder.creature(EntityRainbow.Spawner.class, "rainbow_spawner"),
                 builder.creature(EntityCuccoon.class, "cuccoon"),
                 builder.creature(EntityButterfly.class, "butterfly").withEgg(0x222200, 0xaaeeff),
                 builder.projectile(EntityRainbow.class, "rainbow", 500, 5),
-                builder.projectile(EntityProjectile.class, "thrown_item", 100, 10),
+                builder.projectile(AdvancedProjectileEntity.class, "thrown_item", 100, 10),
                 builder.projectile(EntitySpear.class, "spear", 100, 10)
         );
     }
 
     public static void preInit() {
         RenderingRegistry.registerEntityRenderingHandler(EntityCloud.class, RenderCloud::new);
-        RenderingRegistry.registerEntityRenderingHandler(EntitySpell.class, RenderGem::new);
-        RenderingRegistry.registerEntityRenderingHandler(EntityProjectile.class, RenderProjectile::new);
+        RenderingRegistry.registerEntityRenderingHandler(SpellcastEntity.class, RenderGem::new);
+        RenderingRegistry.registerEntityRenderingHandler(AdvancedProjectileEntity.class, RenderProjectile::new);
         RenderingRegistry.registerEntityRenderingHandler(EntitySpellbook.class, RenderSpellbook::new);
         RenderingRegistry.registerEntityRenderingHandler(EntityRainbow.class, RenderRainbow::new);
-        RenderingRegistry.registerEntityRenderingHandler(EntityButterfly.class, RenderButterfly::new);
+        RenderingRegistry.registerEntityRenderingHandler(EntityButterfly.class, ButterflyEntityRenderer::new);
         RenderingRegistry.registerEntityRenderingHandler(EntityCuccoon.class, RenderCuccoon::new);
         RenderingRegistry.registerEntityRenderingHandler(EntitySpear.class, RenderSpear::new);
     }

src/main/java/com/minelittlepony/unicopia/UItems.java

@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.init;
+package com.minelittlepony.unicopia;
 
 import com.minelittlepony.unicopia.item.ItemAlicornAmulet;
 import com.minelittlepony.unicopia.item.ItemApple;
@@ -43,7 +43,7 @@ import net.minecraft.item.ItemFood;
 import net.minecraft.item.ItemSeedFood;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.FurnaceRecipes;
-import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.Identifier;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.registries.IForgeRegistry;
@@ -288,12 +288,12 @@ public class UItems {
                 record_crusade, record_pet, record_popular, record_funk);
 
         if (UClient.isClientSide()) {
-            BuildInTexturesBakery.getBuiltInTextures().add(new ResourceLocation(Unicopia.MODID, "items/empty_slot_gem"));
+            BuildInTexturesBakery.getBuiltInTextures().add(new Identifier(Unicopia.MODID, "items/empty_slot_gem"));
         }
 
-        FurnaceRecipes.instance().addSmeltingRecipe(new ItemStack(zap_apple), new ItemStack(cooked_zap_apple), 0.1F);
-        FurnaceRecipes.instance().addSmeltingRecipe(new ItemStack(juice), new ItemStack(burned_juice), 0);
-        FurnaceRecipes.instance().addSmeltingRecipe(new ItemStack(cuccoon), new ItemStack(chitin_shell), 0.3F);
+        FurnaceRecipes.getInstance().addSmeltingRecipe(new ItemStack(zap_apple), new ItemStack(cooked_zap_apple), 0.1F);
+        FurnaceRecipes.getInstance().addSmeltingRecipe(new ItemStack(juice), new ItemStack(burned_juice), 0);
+        FurnaceRecipes.getInstance().addSmeltingRecipe(new ItemStack(cuccoon), new ItemStack(chitin_shell), 0.3F);
     }
 
     public static void fixRecipes() {
@@ -305,8 +305,8 @@ public class UItems {
     @SideOnly(Side.CLIENT)
     static void registerColors(ItemColors registry) {
         registry.registerItemColorHandler((stack, tint) -> {
-            if (MAGI.test(Minecraft.getMinecraft().player)) {
-                return SpellRegistry.instance().getSpellTintFromStack(stack);
+            if (MAGI.test(MinecraftClient.getInstance().player)) {
+                return SpellRegistry.getInstance().getSpellTintFromStack(stack);
             }
 
             return 0xffffff;

src/main/java/com/minelittlepony/unicopia/UMaterials.java

@@ -0,0 +1,9 @@
+package com.minelittlepony.unicopia;
+
+import net.minecraft.block.Material;
+import net.minecraft.block.MaterialColor;
+
+public class UMaterials {
+    public static final Material cloud = new Material.Builder(MaterialColor.WHITE).build();
+    public static final Material hive = new Material.Builder(MaterialColor.NETHER).build();
+}

src/main/java/com/minelittlepony/unicopia/UParticles.java

@@ -0,0 +1,33 @@
+package com.minelittlepony.unicopia;
+
+import com.minelittlepony.unicopia.client.particle.ParticleChangelingMagic;
+import com.minelittlepony.unicopia.client.particle.ParticleDisk;
+import com.minelittlepony.unicopia.client.particle.ParticleRaindrops;
+import com.minelittlepony.unicopia.client.particle.ParticleSphere;
+import com.minelittlepony.unicopia.client.particle.ParticleUnicornMagic;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import net.fabricmc.fabric.api.particles.ParticleFactoryRegistry;
+import net.fabricmc.fabric.api.particles.ParticleTypeRegistry;
+import net.minecraft.particle.DefaultParticleType;
+import net.minecraft.util.Identifier;
+
+public class UParticles {
+    public static final DefaultParticleType UNICORN_MAGIC = ParticleTypeRegistry.getTnstance().register(new Identifier("unicopia", "unicorn_magic"));
+    public static final DefaultParticleType CHANGELING_MAGIC = ParticleTypeRegistry.getTnstance().register(new Identifier("unicopia", "changeling_magic"));
+
+    public static final DefaultParticleType RAIN_DROPS = ParticleTypeRegistry.getTnstance().register(new Identifier("unicopia", "rain_drops"));
+
+    public static final DefaultParticleType SPHERE = ParticleTypeRegistry.getTnstance().register(new Identifier("unicopia", "sphere"));
+    public static final DefaultParticleType DISK = ParticleTypeRegistry.getTnstance().register(new Identifier("unicopia", "disk"));
+
+    @Environment(EnvType.CLIENT)
+    public void onInitializeClient() {
+        ParticleFactoryRegistry.getInstance().register(UNICORN_MAGIC, ParticleUnicornMagic::new);
+        ParticleFactoryRegistry.getInstance().register(CHANGELING_MAGIC, ParticleChangelingMagic::new);
+        ParticleFactoryRegistry.getInstance().register(RAIN_DROPS, ParticleRaindrops::new);
+        ParticleFactoryRegistry.getInstance().register(SPHERE, ParticleSphere::new);
+        ParticleFactoryRegistry.getInstance().register(DISK, ParticleDisk::new);
+    }
+}

src/main/java/com/minelittlepony/unicopia/UPotion.java

@@ -1,12 +1,12 @@
-package com.minelittlepony.unicopia.potion;
+package com.minelittlepony.unicopia;
 
 import javax.annotation.Nonnull;
 
-import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.effect.StatusEffect;
 import net.minecraft.potion.Potion;
-import net.minecraft.potion.PotionEffect;
 
-public class UPotion extends Potion {
+public class UPotion extends StatusEffect {
 
     private boolean isSilent;
     private int tickDelay = 40;
@@ -69,7 +69,7 @@ public class UPotion extends Potion {
     }
 
     @Override
-    public void performEffect(EntityLivingBase entity, int amplifier) {
+    public void performEffect(LivingEntity entity, int amplifier) {
         applicator.performEffect(this, entity, amplifier);
     }
 
@@ -95,6 +95,6 @@ public class UPotion extends Potion {
     public interface IEffectApplicator {
         IEffectApplicator NONE = (p, e, i) -> {};
 
-        void performEffect(Potion effect, EntityLivingBase target, int amplifier);
+        void performEffect(Potion effect, LivingEntity target, int amplifier);
     }
 }

src/main/java/com/minelittlepony/unicopia/USounds.java

@@ -0,0 +1,29 @@
+package com.minelittlepony.unicopia;
+
+import net.minecraft.sound.SoundEvent;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.registry.Registry;
+
+public class USounds {
+
+    public static final SoundEvent WING_FLAP = register("wing_flap");
+    public static final SoundEvent WIND_RUSH = register("wind_rush");
+
+    public static final SoundEvent INSECT = register("insect");
+    public static final SoundEvent CHANGELING_BUZZ = register("changeling_buzz");
+
+    public static final SoundEvent SLIME_ADVANCE = register("slime_advance");
+    public static final SoundEvent SLIME_RETRACT = register("slime_retract");
+
+    public static final SoundEvent RECORD_CRUSADE = register("record.crusade");
+    public static final SoundEvent RECORD_PET = register("record.pet");
+    public static final SoundEvent RECORD_POPULAR = register("record.popular");
+    public static final SoundEvent RECORD_FUNK = register("record.funk");
+
+    private static SoundEvent register(String name) {
+        Identifier id = new Identifier(Unicopia.MODID, name);
+        return Registry.register(Registry.SOUND_EVENT, id, new SoundEvent(id));
+    }
+
+    static void bootstrap() {}
+}

src/main/java/com/minelittlepony/unicopia/Unicopia.java

@@ -1,20 +1,8 @@
 package com.minelittlepony.unicopia;
 
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.crafting.IRecipe;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 import net.minecraft.world.biome.Biome;
-import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.common.Mod.EventHandler;
-import net.minecraftforge.fml.common.event.FMLInitializationEvent;
-import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
-import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
-import net.minecraftforge.fml.common.event.FMLServerAboutToStartEvent;
-import net.minecraftforge.fml.common.event.FMLServerStartingEvent;
-import net.minecraftforge.fml.common.network.IGuiHandler;
-import net.minecraftforge.fml.common.network.NetworkRegistry;
 import java.util.Map;
 import java.util.function.Function;
 
@@ -22,33 +10,22 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import com.google.gson.JsonObject;
-import com.minelittlepony.jumpingcastle.api.IChannel;
-import com.minelittlepony.jumpingcastle.api.JumpingCastle;
+import com.minelittlepony.unicopia.ability.powers.PowersRegistry;
 import com.minelittlepony.unicopia.advancements.UAdvancements;
 import com.minelittlepony.unicopia.command.Commands;
 import com.minelittlepony.unicopia.enchanting.AffineIngredients;
 import com.minelittlepony.unicopia.enchanting.Pages;
 import com.minelittlepony.unicopia.enchanting.SpecialRecipe;
 import com.minelittlepony.unicopia.enchanting.SpellRecipe;
-import com.minelittlepony.unicopia.forgebullshit.FBS;
-import com.minelittlepony.unicopia.init.UEntities;
-import com.minelittlepony.unicopia.init.UItems;
-import com.minelittlepony.unicopia.inventory.gui.ContainerSpellBook;
+import com.minelittlepony.unicopia.inventory.gui.SpellBookContainer;
 import com.minelittlepony.unicopia.inventory.gui.GuiSpellBook;
 import com.minelittlepony.unicopia.network.MsgPlayerAbility;
 import com.minelittlepony.unicopia.network.MsgPlayerCapabilities;
 import com.minelittlepony.unicopia.network.MsgRequestCapabilities;
-import com.minelittlepony.unicopia.power.PowersRegistry;
 import com.minelittlepony.unicopia.util.crafting.CraftingManager;
 import com.minelittlepony.unicopia.world.Hooks;
 import com.minelittlepony.unicopia.world.UWorld;
 
-@Mod(
-    modid = Unicopia.MODID,
-    name = Unicopia.NAME,
-    version = Unicopia.VERSION,
-    dependencies = "required-after:jumpingcastle;after:baubles"
-)
 public class Unicopia implements IGuiHandler {
     public static final String MODID = "unicopia";
     public static final String NAME = "@NAME@";
@@ -78,26 +55,20 @@ public class Unicopia implements IGuiHandler {
         return channel;
     }
 
-    @EventHandler
     public void preInit(FMLPreInitializationEvent event) {
         UConfig.init(event.getModConfigurationDirectory());
         UClient.instance().preInit();
         UWorld.instance().init();
-
-        MinecraftForge.TERRAIN_GEN_BUS.register(Hooks.class);
     }
 
-    @EventHandler
     public void onServerCreated(FMLServerAboutToStartEvent event) {
         Fixes.init(event.getServer().getDataFixer());
     }
 
-    @EventHandler
     public void onServerStart(FMLServerStartingEvent event) {
         Commands.init(event);
     }
 
-    @EventHandler
     public void init(FMLInitializationEvent event) {
         channel = JumpingCastle.subscribeTo(MODID, () -> {})
             .listenFor(MsgRequestCapabilities.class)
@@ -115,7 +86,6 @@ public class Unicopia implements IGuiHandler {
         UClient.instance().init();
     }
 
-    @EventHandler
     public void postInit(FMLPostInitializationEvent event) {
         craftingManager.load();
 
@@ -130,7 +100,7 @@ public class Unicopia implements IGuiHandler {
     @Override
     public Object getServerGuiElement(int ID, EntityPlayer player, World world, int x, int y, int z) {
         switch (ID) {
-            case 0: return new ContainerSpellBook(player.inventory, world, new BlockPos(x, y, z));
+            case 0: return new SpellBookContainer(player.inventory, world, new BlockPos(x, y, z));
             default: return null;
         }
     }

src/main/java/com/minelittlepony/unicopia/UnicopiaClient.java

@@ -6,35 +6,20 @@ import java.util.UUID;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import com.minelittlepony.gui.Button;
-import com.minelittlepony.jumpingcastle.api.Target;
-import com.minelittlepony.unicopia.entity.EntityFakeClientPlayer;
-import com.minelittlepony.unicopia.extern.MineLP;
-import com.minelittlepony.unicopia.gui.GuiScreenSettings;
-import com.minelittlepony.unicopia.init.UEntities;
-import com.minelittlepony.unicopia.init.UParticles;
-import com.minelittlepony.unicopia.input.Keyboard;
-import com.minelittlepony.unicopia.input.MouseControl;
-import com.minelittlepony.unicopia.input.MovementControl;
-import com.minelittlepony.unicopia.inventory.gui.GuiOfHolding;
+import com.minelittlepony.unicopia.ability.powers.render.DisguiseRenderer;
+import com.minelittlepony.unicopia.client.gui.SettingsScreen;
+import com.minelittlepony.unicopia.client.input.Keyboard;
+import com.minelittlepony.unicopia.client.input.MouseControl;
+import com.minelittlepony.unicopia.client.input.InversionAwareKeyboardInput;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 import com.minelittlepony.unicopia.network.MsgRequestCapabilities;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-import com.minelittlepony.unicopia.render.DisguiseRenderer;
-import com.minelittlepony.util.gui.ButtonGridLayout;
-import com.minelittlepony.util.lang.ClientLocale;
 import com.mojang.authlib.GameProfile;
 
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.client.gui.GuiButton;
-import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.input.Input;
+import net.minecraft.client.network.ClientPlayerEntity;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.MovementInput;
-import net.minecraft.world.IInteractionObject;
-
-import static com.minelittlepony.util.gui.ButtonGridLayout.*;
+import net.minecraft.entity.player.PlayerEntity;
 
 public class UnicopiaClient extends UClient {
 
@@ -50,7 +35,7 @@ public class UnicopiaClient extends UClient {
 
     private static Race getclientPlayerRace() {
         if (!UConfig.instance().ignoresMineLittlePony()
-                && Minecraft.getMinecraft().player != null) {
+                && MinecraftClient.getInstance().player != null) {
             Race race = MineLP.getPlayerPonyRace();
 
             if (!race.isDefault()) {
@@ -62,40 +47,11 @@ public class UnicopiaClient extends UClient {
         return UConfig.instance().getPrefferedRace();
     }
 
-    static void addUniButton(List<GuiButton> buttons) {
-        ButtonGridLayout layout = new ButtonGridLayout(buttons);
-
-        GuiButton uni = new Button(0, 0, 150, 20, ClientLocale.format("gui.unicopia"), b -> {
-            Minecraft mc = Minecraft.getMinecraft();
-
-            mc.displayGuiScreen(new GuiScreenSettings(mc.currentScreen));
-        });
-
-        List<Integer> possibleXCandidates = list(layout.getColumns());
-        List<Integer> possibleYCandidates = list(layout.getRows());
-
-        uni.y = last(possibleYCandidates, 1);
-
-        if (layout.getRows()
-                .filter(y -> layout.getRow(y).size() == 1).count() < 2) {
-            uni.y += 25;
-            uni.x = first(possibleXCandidates, 0);
-
-            layout.getRow(last(possibleYCandidates, 0)).forEach(button -> {
-                button.y = Math.max(button.y, uni.y + uni.height + 13);
-            });
-        } else {
-            uni.x = first(possibleXCandidates, 2);
-        }
-
-        layout.getElements().add(uni);
-    }
-
     @Override
     public void displayGuiToPlayer(EntityPlayer player, IInteractionObject inventory) {
         if (player instanceof EntityPlayerSP) {
             if ("unicopia:itemofholding".equals(inventory.getGuiID())) {
-                Minecraft.getMinecraft().displayGuiScreen(new GuiOfHolding(inventory));
+                MinecraftClient.getInstance().displayGuiScreen(new GuiOfHolding(inventory));
             }
         } else {
             super.displayGuiToPlayer(player, inventory);
@@ -105,13 +61,13 @@ public class UnicopiaClient extends UClient {
     @Override
     @Nullable
     public EntityPlayer getPlayer() {
-        return Minecraft.getMinecraft().player;
+        return MinecraftClient.getInstance().player;
     }
 
     @Override
     @Nullable
     public EntityPlayer getPlayerByUUID(UUID playerId) {
-        Minecraft mc = Minecraft.getMinecraft();
+        Minecraft mc = MinecraftClient.getInstance();
 
         if (mc.player.getUniqueID().equals(playerId)) {
             return mc.player;
@@ -120,6 +76,7 @@ public class UnicopiaClient extends UClient {
         return mc.world.getPlayerEntityByUUID(playerId);
     }
 
+    @Override
     @Nonnull
     public EntityPlayer createPlayer(Entity observer, GameProfile profile) {
         return new EntityFakeClientPlayer(observer.world, profile);
@@ -140,13 +97,13 @@ public class UnicopiaClient extends UClient {
 
     @Override
     public int getViewMode() {
-        return Minecraft.getMinecraft().gameSettings.thirdPersonView;
+        return MinecraftClient.getInstance().gameSettings.thirdPersonView;
     }
 
     @Override
     public void postRenderEntity(Entity entity) {
         if (entity instanceof EntityPlayer) {
-            IPlayer iplayer = PlayerSpeciesList.instance().getPlayer((EntityPlayer)entity);
+            IPlayer iplayer = SpeciesList.instance().getPlayer((EntityPlayer)entity);
 
             if (iplayer.getGravity().getGravitationConstant() < 0) {
                 GlStateManager.translate(0, entity.height, 0);
@@ -160,12 +117,12 @@ public class UnicopiaClient extends UClient {
     @Override
     public boolean renderEntity(Entity entity, float renderPartialTicks) {
 
-        if (DisguiseRenderer.instance().renderDisguise(entity, renderPartialTicks)) {
+        if (DisguiseRenderer.getInstance().renderDisguise(entity, renderPartialTicks)) {
             return true;
         }
 
         if (entity instanceof EntityPlayer) {
-            IPlayer iplayer = PlayerSpeciesList.instance().getPlayer((EntityPlayer)entity);
+            IPlayer iplayer = SpeciesList.instance().getPlayer((EntityPlayer)entity);
 
             if (iplayer.getGravity().getGravitationConstant() < 0) {
                 GlStateManager.scale(1, -1, 1);
@@ -174,7 +131,7 @@ public class UnicopiaClient extends UClient {
                 entity.rotationPitch *= -1;
             }
 
-            if (DisguiseRenderer.instance().renderDisguiseToGui(iplayer)) {
+            if (DisguiseRenderer.getInstance().renderDisguiseToGui(iplayer)) {
                 return true;
             }
 
@@ -197,10 +154,11 @@ public class UnicopiaClient extends UClient {
         clientPlayerRace = getclientPlayerRace();
     }
 
+    @Override
     public void tick() {
-        EntityPlayer player = UClient.instance().getPlayer();
+        PlayerEntity player = UClient.instance().getPlayer();
 
-        if (player != null && !player.isDead) {
+        if (player != null && !player.removed) {
             Race newRace = getclientPlayerRace();
 
             if (newRace != clientPlayerRace) {
@@ -212,20 +170,20 @@ public class UnicopiaClient extends UClient {
 
         Keyboard.getKeyHandler().onKeyInput();
 
-        if (player instanceof EntityPlayerSP) {
-            EntityPlayerSP sp = (EntityPlayerSP)player;
+        MinecraftClient client = MinecraftClient.getInstance();
 
-            MovementInput movement = sp.movementInput;
+        if (player instanceof ClientPlayerEntity) {
+            ClientPlayerEntity sp = (ClientPlayerEntity)player;
 
-            if (!(movement instanceof MovementControl)) {
-                sp.movementInput = new MovementControl(movement);
+            Input movement = sp.input;
+
+            if (!(movement instanceof InversionAwareKeyboardInput)) {
+                sp.input = new InversionAwareKeyboardInput(client, movement);
             }
         }
 
-        Minecraft mc = Minecraft.getMinecraft();
-
-        if (!(mc.mouseHelper instanceof MouseControl)) {
-            mc.mouseHelper = new MouseControl();
+        if (!(client.mouse instanceof MouseControl)) {
+            client.mouse = new MouseControl(client);
         }
     }
 }

src/main/java/com/minelittlepony/unicopia/ability/Hit.java

@@ -0,0 +1,5 @@
+package com.minelittlepony.unicopia.ability;
+
+public class Hit implements IData {
+
+}

src/main/java/com/minelittlepony/unicopia/ability/IAbilityReceiver.java

@@ -1,6 +1,6 @@
-package com.minelittlepony.unicopia.player;
+package com.minelittlepony.unicopia.ability;
 
-import com.minelittlepony.unicopia.power.IPower;
+import com.minelittlepony.unicopia.ability.IPower;
 
 public interface IAbilityReceiver {
 

src/main/java/com/minelittlepony/unicopia/ability/IData.java

@@ -0,0 +1,5 @@
+package com.minelittlepony.unicopia.ability;
+
+public interface IData {
+
+}

src/main/java/com/minelittlepony/unicopia/ability/IFlyingPredicate.java

@@ -1,4 +1,6 @@
-package com.minelittlepony.unicopia.player;
+package com.minelittlepony.unicopia.ability;
+
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 
 /**
  * Predicate for abilities to control whether a player can fly.

src/main/java/com/minelittlepony/unicopia/ability/IHeightPredicate.java

@@ -1,11 +1,13 @@
-package com.minelittlepony.unicopia.player;
+package com.minelittlepony.unicopia.ability;
+
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 
 /**
  * Predicate for abilities to control what the player's physical height is.
  *
  * This overrides the default.
  */
-public interface IPlayerHeightPredicate {
+public interface IHeightPredicate {
     float getTargetEyeHeight(IPlayer player);
 
     float getTargetBodyHeight(IPlayer player);

src/main/java/com/minelittlepony/unicopia/ability/IPower.java

@@ -1,36 +1,14 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability;
 
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.input.IKeyBind;
-import com.minelittlepony.unicopia.particle.Particles;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.util.shape.IShape;
-import com.minelittlepony.util.shape.Sphere;
+import com.minelittlepony.unicopia.client.input.IKeyBindingHandler;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 
-import net.minecraft.entity.Entity;
-import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 
-public interface IPower<T extends IData> extends IKeyBind {
-
-    static void spawnParticles(int particleId, Entity entity, int count, int...args) {
-        double halfDist = entity.getEyeHeight() / 1.5;
-        double middle = entity.getEntityBoundingBox().minY + halfDist;
-
-        IShape shape = new Sphere(false, (float)halfDist + entity.width);
-
-        for (int i = 0; i < count; i++) {
-            Vec3d point = shape.computePoint(entity.getEntityWorld().rand);
-
-            Particles.instance().spawnParticle(particleId, false,
-                    entity.posX + point.x,
-                    middle + point.y,
-                    entity.posZ + point.z,
-                    0, 0, 0, args);
-        }
-    }
+public interface IPower<T extends IData> extends IKeyBindingHandler.IKeyBinding {
 
     @Override
     default String getKeyCategory() {

src/main/java/com/minelittlepony/unicopia/ability/Location.java

@@ -1,7 +1,6 @@
-package com.minelittlepony.unicopia.power.data;
+package com.minelittlepony.unicopia.ability;
 
 import com.google.gson.annotations.Expose;
-import com.minelittlepony.unicopia.power.IData;
 
 import net.minecraft.util.math.BlockPos;
 

src/main/java/com/minelittlepony/unicopia/ability/Numeric.java

@@ -1,7 +1,6 @@
-package com.minelittlepony.unicopia.power.data;
+package com.minelittlepony.unicopia.ability;
 
 import com.google.gson.annotations.Expose;
-import com.minelittlepony.unicopia.power.IData;
 
 public class Numeric implements IData {
 

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerCarry.java

@@ -1,18 +1,18 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability.powers;
 
-import org.lwjgl.input.Keyboard;
+import org.lwjgl.glfw.GLFW;
 
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.entity.EntityCloud;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.power.data.Hit;
-import com.minelittlepony.util.vector.VecHelper;
+import com.minelittlepony.unicopia.ability.Hit;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.VecHelper;
 
+import net.minecraft.client.network.packet.EntityPassengersSetS2CPacket;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.entity.player.EntityPlayerMP;
-import net.minecraft.network.play.server.SPacketSetPassengers;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.world.World;
 
 public class PowerCarry implements IPower<Hit> {
@@ -24,7 +24,7 @@ public class PowerCarry implements IPower<Hit> {
 
     @Override
     public int getKeyCode() {
-        return Keyboard.KEY_K;
+        return GLFW.GLFW_KEY_K;
     }
 
     @Override
@@ -47,12 +47,12 @@ public class PowerCarry implements IPower<Hit> {
         return new Hit();
     }
 
-    protected EntityLivingBase findRider(EntityPlayer player, World w) {
+    protected LivingEntity findRider(PlayerEntity player, World w) {
         Entity hit = VecHelper.getLookedAtEntity(player, 10);
 
-        if (hit instanceof EntityLivingBase && !player.isRidingOrBeingRiddenBy(hit)) {
-            if (!(hit instanceof EntityCloud)) {
-                return (EntityLivingBase)hit;
+        if (hit instanceof LivingEntity && !player.isConnectedThroughVehicle(hit)) {
+            if (!(hit instanceof IPickupImmuned)) {
+                return (LivingEntity)hit;
             }
         }
 
@@ -66,17 +66,17 @@ public class PowerCarry implements IPower<Hit> {
 
     @Override
     public void apply(IPlayer iplayer, Hit data) {
-        EntityPlayer player = iplayer.getOwner();
-        EntityLivingBase rider = findRider(player, iplayer.getWorld());
+        PlayerEntity player = iplayer.getOwner();
+        LivingEntity rider = findRider(player, iplayer.getWorld());
 
         if (rider != null) {
             rider.startRiding(player, true);
         } else {
-            player.removePassengers();
+            player.removeAllPassengers();
         }
 
-        if (player instanceof EntityPlayerMP) {
-            ((EntityPlayerMP)player).getServerWorld().getEntityTracker().sendToTrackingAndSelf(player, new SPacketSetPassengers(player));
+        if (player instanceof ServerPlayerEntity) {
+            ((ServerPlayerEntity)player).networkHandler.sendPacket(new EntityPassengersSetS2CPacket(player));
         }
     }
 
@@ -87,4 +87,8 @@ public class PowerCarry implements IPower<Hit> {
     @Override
     public void postApply(IPlayer player) {
     }
+
+    public interface IPickupImmuned {
+
+    }
 }

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerCloudBase.java

@@ -1,13 +1,17 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability.powers;
 
-import org.lwjgl.input.Keyboard;
+import java.util.Optional;
+
+import org.lwjgl.glfw.GLFW;
 
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.entity.EntityCloud;
-import com.minelittlepony.unicopia.init.UParticles;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.power.data.Numeric;
-import com.minelittlepony.util.vector.VecHelper;
+import com.minelittlepony.unicopia.UParticles;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.ability.Numeric;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.VecHelper;
+
+import net.minecraft.entity.Entity;
 
 public class PowerCloudBase implements IPower<Numeric> {
 
@@ -18,7 +22,7 @@ public class PowerCloudBase implements IPower<Numeric> {
 
     @Override
     public int getKeyCode() {
-        return Keyboard.KEY_J;
+        return GLFW.GLFW_KEY_J;
     }
 
     @Override
@@ -38,16 +42,12 @@ public class PowerCloudBase implements IPower<Numeric> {
 
     @Override
     public Numeric tryActivate(IPlayer player) {
-        EntityCloud cloud = findTarget(player);
-
-        if (cloud != null) {
-            Numeric data = new Numeric(player.getOwner().inventory.currentItem + 1);
+        return findTarget(player).map(cloud -> {
+            Numeric data = new Numeric(player.getOwner().inventory.selectedSlot + 1);
             cloud.handlePegasusInteration(data.type);
 
             return data;
-        }
-
-        return null;
+        }).orElse(null);
     }
 
     @Override
@@ -57,25 +57,23 @@ public class PowerCloudBase implements IPower<Numeric> {
 
     @Override
     public void apply(IPlayer player, Numeric data) {
-        EntityCloud cloud = findTarget(player);
-
-        if (cloud != null) {
+        findTarget(player).ifPresent(cloud -> {
             cloud.handlePegasusInteration(data.type);
-        }
+        });
     }
 
-    protected EntityCloud findTarget(IPlayer player) {
-        if (player.getOwner().isRiding() && player.getOwner().getRidingEntity() instanceof EntityCloud) {
-            return (EntityCloud)player.getOwner().getRidingEntity();
+    protected Optional<ICloudEntity> findTarget(IPlayer player) {
+        if (player.getOwner().hasVehicle() && player.getOwner().getVehicle() instanceof ICloudEntity) {
+            return Optional.ofNullable((ICloudEntity)player.getOwner().getVehicle());
         }
 
-        Object e = VecHelper.getLookedAtEntity(player.getOwner(), 18);
+        Entity e = VecHelper.getLookedAtEntity(player.getOwner(), 18);
 
-        if (e instanceof EntityCloud) {
-            return (EntityCloud)e;
+        if (e instanceof ICloudEntity) {
+            return Optional.of((ICloudEntity)e);
         }
 
-        return null;
+        return Optional.empty();
     }
 
     @Override
@@ -87,4 +85,8 @@ public class PowerCloudBase implements IPower<Numeric> {
     public void postApply(IPlayer player) {
         player.spawnParticles(UParticles.RAIN_DROPS, 5);
     }
+
+    public interface ICloudEntity {
+        void handlePegasusInteration(int interationType);
+    }
 }

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerDisguise.java

@@ -0,0 +1,101 @@
+package com.minelittlepony.unicopia.ability.powers;
+
+
+import javax.annotation.Nullable;
+
+import org.lwjgl.glfw.GLFW;
+
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.UParticles;
+import com.minelittlepony.unicopia.ability.Hit;
+import com.minelittlepony.unicopia.entity.IInAnimate;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.unicopia.magic.spells.SpellDisguise;
+import com.minelittlepony.util.VecHelper;
+
+import net.minecraft.block.BlockState;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.FallingBlockEntity;
+import net.minecraft.entity.LightningEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.hit.EntityHitResult;
+import net.minecraft.util.hit.HitResult;
+import net.minecraft.util.math.BlockPos;
+
+public class PowerDisguise extends PowerFeed {
+
+    @Override
+    public String getKeyName() {
+        return "unicopia.power.disguise";
+    }
+
+    @Override
+    public int getKeyCode() {
+        return GLFW.GLFW_KEY_P;
+    }
+
+    @Nullable
+    @Override
+    public Hit tryActivate(IPlayer player) {
+        return new Hit();
+    }
+
+    @Override
+    public void apply(IPlayer iplayer, Hit data) {
+        PlayerEntity player = iplayer.getOwner();
+        HitResult trace = VecHelper.getObjectMouseOver(player, 10, 1);
+
+        Entity looked = null;
+
+        if (trace.getType() == HitResult.Type.BLOCK) {
+            BlockPos pos = ((BlockHitResult)trace).getBlockPos();
+
+            if (!iplayer.getWorld().isAir(pos)) {
+                BlockState state = iplayer.getWorld().getBlockState(pos);
+
+                looked = new FallingBlockEntity(player.getEntityWorld(), 0, 0, 0, state);
+            }
+        } else if (trace.getType() == HitResult.Type.ENTITY) {
+            looked = ((EntityHitResult)trace).getEntity();
+
+            if (looked instanceof PlayerEntity) {
+                looked = SpeciesList.instance().getPlayer((PlayerEntity)looked)
+                        .getEffect(SpellDisguise.class)
+                        .map(SpellDisguise::getDisguise)
+                        .orElse(looked);
+            }
+
+            if (looked instanceof LightningEntity
+            || (looked instanceof IInAnimate && !((IInAnimate)looked).canInteract(Race.CHANGELING))) {
+                looked = null;
+            }
+        }
+
+        player.getEntityWorld().playSound(null, player.getBlockPos(), SoundEvents.ENTITY_PARROT_IMITATE_POLAR_BEAR, SoundCategory.PLAYERS, 1.4F, 0.4F);
+
+        iplayer.getEffect(SpellDisguise.class).orElseGet(() -> {
+            SpellDisguise disc = new SpellDisguise();
+
+            iplayer.setEffect(disc);
+            return disc;
+        }).setDisguise(looked);
+
+        iplayer.sendCapabilities(true);
+    }
+
+    @Override
+    public void preApply(IPlayer player) {
+        player.addEnergy(2);
+        player.spawnParticles(UParticles.CHANGELING_MAGIC, 5);
+    }
+
+    @Override
+    public void postApply(IPlayer player) {
+        player.setEnergy(0);
+        player.spawnParticles(UParticles.CHANGELING_MAGIC, 5);
+    }
+}

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerEngulf.java

@@ -1,14 +1,13 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability.powers;
 
 import javax.annotation.Nullable;
 
-import org.lwjgl.input.Keyboard;
-
+import org.lwjgl.glfw.GLFW;
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.power.data.Hit;
-import com.minelittlepony.unicopia.spell.ITossedEffect;
-import com.minelittlepony.unicopia.spell.SpellChangelingTrap;
+import com.minelittlepony.unicopia.ability.Hit;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.unicopia.magic.spells.SpellChangelingTrap;
 
 public class PowerEngulf implements IPower<Hit> {
 
@@ -19,7 +18,7 @@ public class PowerEngulf implements IPower<Hit> {
 
     @Override
     public int getKeyCode() {
-        return Keyboard.KEY_L;
+        return GLFW.GLFW_KEY_L;
     }
 
     @Override
@@ -50,9 +49,7 @@ public class PowerEngulf implements IPower<Hit> {
 
     @Override
     public void apply(IPlayer player, Hit data) {
-        ITossedEffect effect = new SpellChangelingTrap();
-
-        effect.toss(player);
+        new SpellChangelingTrap().toss(player);
     }
 
     @Override
@@ -64,5 +61,4 @@ public class PowerEngulf implements IPower<Hit> {
     public void postApply(IPlayer player) {
 
     }
-
 }

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerFeed.java

@@ -0,0 +1,166 @@
+package com.minelittlepony.unicopia.ability.powers;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import javax.annotation.Nullable;
+
+import org.lwjgl.glfw.GLFW;
+
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.ability.Hit;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.MagicalDamageSource;
+import com.minelittlepony.util.VecHelper;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.damage.DamageSource;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffects;
+import net.minecraft.entity.mob.HostileEntity;
+import net.minecraft.entity.passive.AbstractTraderEntity;
+import net.minecraft.entity.passive.CowEntity;
+import net.minecraft.entity.passive.PigEntity;
+import net.minecraft.entity.passive.SheepEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.particle.ParticleTypes;
+
+public class PowerFeed implements IPower<Hit> {
+
+    @Override
+    public String getKeyName() {
+        return "unicopia.power.feed";
+    }
+
+    @Override
+    public int getKeyCode() {
+        return GLFW.GLFW_KEY_O;
+    }
+
+    @Override
+    public int getWarmupTime(IPlayer player) {
+        return 5;
+    }
+
+    @Override
+    public int getCooldownTime(IPlayer player) {
+        return canFeed(player) ? 15 : 80;
+    }
+
+    @Override
+    public boolean canUse(Race playerSpecies) {
+        return playerSpecies == Race.CHANGELING;
+    }
+
+    @Nullable
+    @Override
+    public Hit tryActivate(IPlayer player) {
+        if (canFeed(player)) {
+            if (!getTargets(player).isEmpty()) {
+                return new Hit();
+            }
+        }
+
+        return null;
+    }
+
+    private boolean canFeed(IPlayer player) {
+        return player.getOwner().getHealth() < player.getOwner().getHealthMaximum() || player.getOwner().canConsume(false);
+    }
+
+    private boolean canDrain(Entity e) {
+        return (e instanceof LivingEntity)
+            && (e instanceof CowEntity
+            || e instanceof AbstractTraderEntity
+            || e instanceof PlayerEntity
+            || e instanceof SheepEntity
+            || e instanceof PigEntity
+            || e instanceof HostileEntity);
+    }
+
+    @Override
+    public Class<Hit> getPackageType() {
+        return Hit.class;
+    }
+
+    protected List<LivingEntity> getTargets(IPlayer player) {
+        List<Entity> list = VecHelper.getWithinRange(player.getOwner(), 3, this::canDrain);
+
+        Entity looked = VecHelper.getLookedAtEntity(player.getOwner(), 17);
+        if (looked != null && !list.contains(looked) && canDrain(looked)) {
+            list.add(looked);
+        }
+
+        return list.stream().map(i -> (LivingEntity)i).collect(Collectors.toList());
+    }
+
+    @Override
+    public void apply(IPlayer iplayer, Hit data) {
+        PlayerEntity player = iplayer.getOwner();
+
+        float maximumHealthGain = player.getHealthMaximum() - player.getHealth();
+        int maximumFoodGain = player.canConsume(false) ? (20 - player.getHungerManager().getFoodLevel()) : 0;
+
+        if (maximumHealthGain > 0 || maximumFoodGain > 0) {
+
+            float healAmount = 0;
+
+            for (LivingEntity i : getTargets(iplayer)) {
+                healAmount += drainFrom(player, i);
+            }
+
+            int foodAmount = (int)Math.floor(Math.min(healAmount / 3, maximumFoodGain));
+
+            if (foodAmount > 0) {
+                healAmount -= foodAmount;
+                player.getHungerManager().add(foodAmount, 0.125f);
+            }
+
+            if (healAmount > 0) {
+                player.heal(Math.min(healAmount, maximumHealthGain));
+            }
+        }
+    }
+
+    public float drainFrom(PlayerEntity changeling, LivingEntity living) {
+        DamageSource d = MagicalDamageSource.causePlayerDamage("feed", changeling);
+
+        float damage = living.getHealth()/2;
+
+        if (damage > 0) {
+            living.damage(d, damage);
+        }
+
+        // TODO:
+        //ParticleTypeRegistry.spawnParticles(UParticles.CHANGELING_MAGIC, living, 7);
+
+        if (changeling.hasStatusEffect(StatusEffects.NAUSEA)) {
+            living.addPotionEffect(changeling.removePotionEffect(StatusEffects.NAUSEA));
+        } else if (changeling.getEntityWorld().random.nextInt(2300) == 0) {
+            living.addPotionEffect(new StatusEffectInstance(StatusEffects.WITHER, 20, 1));
+        }
+
+        if (living instanceof PlayerEntity) {
+            damage ++;
+            damage *= 1.6F;
+
+            if (!changeling.hasStatusEffect(StatusEffects.HEALTH_BOOST)) {
+                changeling.addPotionEffect(new StatusEffectInstance(StatusEffects.HEALTH_BOOST, 13000, 1));
+            }
+        }
+
+        return damage;
+    }
+
+    @Override
+    public void preApply(IPlayer player) {
+        player.addExertion(6);
+    }
+
+    @Override
+    public void postApply(IPlayer player) {
+        player.spawnParticles(ParticleTypes.HEART, 1);
+    }
+}

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerGrow.java

@@ -0,0 +1,105 @@
+package com.minelittlepony.unicopia.ability.powers;
+
+import org.lwjgl.glfw.GLFW;
+
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.UParticles;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.ability.Location;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.VecHelper;
+
+import net.minecraft.block.BlockState;
+import net.minecraft.item.BoneMealItem;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.hit.HitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
+
+public class PowerGrow implements IPower<Location> {
+
+    @Override
+    public String getKeyName() {
+        return "unicopia.power.grow";
+    }
+
+    @Override
+    public int getKeyCode() {
+        return GLFW.GLFW_KEY_N;
+    }
+
+    @Override
+    public int getWarmupTime(IPlayer player) {
+        return 10;
+    }
+
+    @Override
+    public int getCooldownTime(IPlayer player) {
+        return 50;
+    }
+
+    @Override
+    public boolean canUse(Race playerSpecies) {
+        return playerSpecies == Race.EARTH;
+    }
+
+    @Override
+    public Location tryActivate(IPlayer player) {
+        HitResult ray = VecHelper.getObjectMouseOver(player.getOwner(), 3, 1);
+
+        if (ray instanceof BlockHitResult && ray.getType() == HitResult.Type.BLOCK) {
+            return new Location(((BlockHitResult)ray).getBlockPos());
+        }
+
+        return null;
+    }
+
+    @Override
+    public Class<Location> getPackageType() {
+        return Location.class;
+    }
+
+    @Override
+    public void apply(IPlayer player, Location data) {
+        int count = 0;
+
+        for (BlockPos pos : BlockPos.iterate(
+                new BlockPos(data.x - 2, data.y - 2, data.z - 2),
+                new BlockPos(data.x + 2, data.y + 2, data.z + 2))) {
+            count += applySingle(player.getWorld(), player.getWorld().getBlockState(pos), pos);
+        }
+
+        if (count > 0) {
+            player.subtractEnergyCost(count * 5);
+        }
+    }
+
+    protected int applySingle(World w, BlockState state, BlockPos pos) {
+
+        ItemStack stack = new ItemStack(Items.BONE_MEAL);
+
+        if (BoneMealItem.useOnFertilizable(stack, w, pos)
+            || BoneMealItem.useOnGround(stack, w, pos, Direction.UP)) {
+            return 1;
+        }
+
+        return 0;
+    }
+
+    @Override
+    public void preApply(IPlayer player) {
+        player.addExertion(3);
+
+        if (player.getWorld().isClient()) {
+            player.spawnParticles(UParticles.UNICORN_MAGIC, 1);
+        }
+    }
+
+    @Override
+    public void postApply(IPlayer player) {
+
+    }
+}

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerMagic.java

@@ -1,12 +1,12 @@
-package com.minelittlepony.unicopia.power;
-
-import org.lwjgl.input.Keyboard;
+package com.minelittlepony.unicopia.ability.powers;
 
+import org.lwjgl.glfw.GLFW;
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.init.UParticles;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.power.data.Hit;
-import com.minelittlepony.unicopia.spell.SpellShield;
+import com.minelittlepony.unicopia.UParticles;
+import com.minelittlepony.unicopia.ability.Hit;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.unicopia.magic.spells.SpellShield;
 
 public class PowerMagic implements IPower<Hit> {
 
@@ -17,7 +17,7 @@ public class PowerMagic implements IPower<Hit> {
 
     @Override
     public int getKeyCode() {
-        return Keyboard.KEY_P;
+        return GLFW.GLFW_KEY_P;
     }
 
     @Override

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerStomp.java

@@ -1,54 +1,55 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability.powers;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map.Entry;
 
-import org.lwjgl.input.Keyboard;
+import org.lwjgl.glfw.GLFW;
 
 import com.google.common.collect.Lists;
 import com.google.gson.annotations.Expose;
 import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.ability.Location;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
 import com.minelittlepony.unicopia.item.ItemApple;
-import com.minelittlepony.unicopia.particle.Particles;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-import com.minelittlepony.unicopia.power.data.Location;
 import com.minelittlepony.unicopia.world.UWorld;
 import com.minelittlepony.util.MagicalDamageSource;
 import com.minelittlepony.util.PosHelper;
+import com.minelittlepony.util.VecHelper;
 import com.minelittlepony.util.WorldEvent;
 import com.minelittlepony.util.shape.IShape;
 import com.minelittlepony.util.shape.Sphere;
-import com.minelittlepony.util.vector.VecHelper;
 
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockLeaves;
-import net.minecraft.block.BlockLog;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.properties.IProperty;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.SharedMonsterAttributes;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.LeavesBlock;
+import net.minecraft.block.LogBlock;
+import net.minecraft.entity.EntityContext;
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.ItemEntity;
+import net.minecraft.entity.attribute.EntityAttributes;
+import net.minecraft.entity.damage.DamageSource;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.DamageSource;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumParticleTypes;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.particle.BlockStateParticleEffect;
+import net.minecraft.particle.ParticleTypes;
+import net.minecraft.state.property.Property;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.hit.HitResult;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Direction;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 
-import static net.minecraft.util.EnumFacing.*;
-
 public class PowerStomp implements IPower<PowerStomp.Data> {
 
     private final double rad = 4;
 
-    private final AxisAlignedBB areaOfEffect = new AxisAlignedBB(
+    private final Box areaOfEffect = new Box(
             -rad, -rad, -rad,
              rad,  rad,  rad
      );
@@ -60,7 +61,7 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
 
     @Override
     public int getKeyCode() {
-        return Keyboard.KEY_M;
+        return GLFW.GLFW_KEY_M;
     }
 
     @Override
@@ -80,12 +81,13 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
 
     @Override
     public PowerStomp.Data tryActivate(IPlayer player) {
-        RayTraceResult mop = VecHelper.getObjectMouseOver(player.getOwner(), 6, 1);
+        HitResult mop = VecHelper.getObjectMouseOver(player.getOwner(), 6, 1);
 
-        if (mop != null && mop.typeOfHit == RayTraceResult.Type.BLOCK) {
-            BlockPos pos = mop.getBlockPos();
-            IBlockState state = player.getWorld().getBlockState(pos);
-            if (state.getBlock() instanceof BlockLog) {
+        if (mop instanceof BlockHitResult && mop.getType() == HitResult.Type.BLOCK) {
+            BlockPos pos = ((BlockHitResult)mop).getBlockPos();
+            BlockState state = player.getWorld().getBlockState(pos);
+
+            if (state.getBlock() instanceof LogBlock) {
                 pos = getBaseOfTree(player.getWorld(), state, pos);
                 if (measureTree(player.getWorld(), state, pos) > 0) {
                     return new Data(pos.getX(), pos.getY(), pos.getZ(), 1);
@@ -93,7 +95,7 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
             }
         }
 
-        if (!player.getOwner().onGround && !player.getOwner().capabilities.isFlying) {
+        if (!player.getOwner().onGround && !player.getOwner().abilities.flying) {
             player.getOwner().addVelocity(0, -6, 0);
             return new Data(0, 0, 0, 0);
         }
@@ -106,9 +108,10 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
     }
 
     public static BlockPos getSolidBlockBelow(BlockPos pos, World w) {
-        while (w.isValid(pos)) {
+        while (World.isValid(pos)) {
             pos = pos.down();
-            if (w.getBlockState(pos).isSideSolid(w, pos, EnumFacing.UP)) {
+
+            if (Block.isFaceFullSquare(w.getBlockState(pos).getCollisionShape(w, pos, EntityContext.absent()), Direction.UP)) {
                 return pos;
             }
         }
@@ -119,30 +122,30 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
     @Override
     public void apply(IPlayer iplayer, Data data) {
 
-        EntityPlayer player = iplayer.getOwner();
+        PlayerEntity player = iplayer.getOwner();
 
         if (data.hitType == 0) {
-            BlockPos ppos = player.getPosition();
+            BlockPos ppos = player.getBlockPos();
             BlockPos pos = getSolidBlockBelow(ppos, player.getEntityWorld());
 
-            player.addVelocity(0, -(ppos.distanceSq(pos)), 0);
+            player.addVelocity(0, -(ppos.getSquaredDistance(pos)), 0);
 
-            iplayer.getWorld().getEntitiesWithinAABBExcludingEntity(player, areaOfEffect.offset(iplayer.getOriginVector())).forEach(i -> {
-                double dist = Math.sqrt(i.getDistanceSq(pos));
+            iplayer.getWorld().getEntities(player, areaOfEffect.offset(iplayer.getOriginVector())).forEach(i -> {
+                double dist = Math.sqrt(pos.getSquaredDistance(i.getBlockPos()));
 
                 if (dist <= rad + 3) {
                     double force = dist / 5;
                     i.addVelocity(
-                            -(player.posX - i.posX) / force,
-                            -(player.posY - i.posY - 2) / force + (dist < 1 ? dist : 0),
-                            -(player.posZ - i.posZ) / force);
+                            -(player.x - i.x) / force,
+                            -(player.y - i.y - 2) / force + (dist < 1 ? dist : 0),
+                            -(player.z - i.z) / force);
 
                     DamageSource damage = MagicalDamageSource.causePlayerDamage("smash", player);
 
-                    double amount = (4 * player.getEntityAttribute(SharedMonsterAttributes.ATTACK_DAMAGE).getAttributeValue()) / (float)dist;
+                    double amount = (4 * player.getAttributeInstance(EntityAttributes.ATTACK_DAMAGE).getValue()) / (float)dist;
 
-                    if (i instanceof EntityPlayer) {
-                        Race race = PlayerSpeciesList.instance().getPlayer((EntityPlayer)i).getPlayerSpecies();
+                    if (i instanceof PlayerEntity) {
+                        Race race = SpeciesList.instance().getPlayer((PlayerEntity)i).getSpecies();
                         if (race.canUseEarth()) {
                             amount /= 3;
                         }
@@ -152,12 +155,12 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
                         }
                     }
 
-                    i.attackEntityFrom(damage, (float)amount);
+                    i.damage(damage, (float)amount);
                 }
             });
 
-            BlockPos.getAllInBoxMutable(pos.add(-rad, -rad, -rad), pos.add(rad, rad, rad)).forEach(i -> {
-                if (i.distanceSqToCenter(player.posX, player.posY, player.posZ) <= rad*rad) {
+            BlockPos.iterate(pos.add(-rad, -rad, -rad), pos.add(rad, rad, rad)).forEach(i -> {
+                if (i.getSquaredDistance(player.x, player.y, player.z, true) <= rad*rad) {
                     spawnEffect(player.world, i);
                 }
             });
@@ -169,16 +172,16 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
             iplayer.subtractEnergyCost(rad);
         } else if (data.hitType == 1) {
 
-            boolean harmed = player.getHealth() < player.getMaxHealth();
+            boolean harmed = player.getHealth() < player.getHealthMaximum();
 
-            if (harmed && player.world.rand.nextInt(30) == 0) {
+            if (harmed && player.world.random.nextInt(30) == 0) {
                 iplayer.subtractEnergyCost(3);
                 return;
             }
 
-            if (harmed || player.world.rand.nextInt(5) == 0) {
+            if (harmed || player.world.random.nextInt(5) == 0) {
 
-                if (!harmed || player.world.rand.nextInt(30) == 0) {
+                if (!harmed || player.world.random.nextInt(30) == 0) {
                     UWorld.enqueueTask(w -> removeTree(w, data.pos()));
                 }
 
@@ -194,36 +197,34 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
     }
 
     private void spawnEffect(World w, BlockPos pos) {
-        IBlockState state = w.getBlockState(pos);
+        BlockState state = w.getBlockState(pos);
 
-        if (state.getBlock() != Blocks.AIR) {
-            if (w.getBlockState(pos.up()).getBlock() == Blocks.AIR) {
-                WorldEvent.DESTROY_BLOCK.play(w, pos, state);
-            }
+        if (!state.isAir() && w.getBlockState(pos.up()).isAir()) {
+            WorldEvent.DESTROY_BLOCK.play(w, pos, state);
         }
     }
 
     @Override
     public void preApply(IPlayer player) {
         player.addExertion(40);
-        player.getOwner().spawnRunningParticles();
+        player.getOwner().attemptSprintingParticles();
     }
 
     @Override
     public void postApply(IPlayer player) {
         int timeDiff = getCooldownTime(player) - player.getAbilities().getRemainingCooldown();
 
-        if (player.getOwner().getEntityWorld().getWorldTime() % 1 == 0 || timeDiff == 0) {
+        if (player.getOwner().getEntityWorld().getTime() % 1 == 0 || timeDiff == 0) {
             spawnParticleRing(player.getOwner(), timeDiff, 1);
         }
     }
 
-    private void spawnParticleRing(EntityPlayer player, int timeDiff) {
+    private void spawnParticleRing(PlayerEntity player, int timeDiff) {
         spawnParticleRing(player, timeDiff, 0);
     }
 
-    private void spawnParticleRing(EntityPlayer player, int timeDiff, double yVel) {
-        int animationTicks = (int)(timeDiff / 10);
+    private void spawnParticleRing(PlayerEntity player, int timeDiff, double yVel) {
+        int animationTicks = timeDiff / 10;
         if (animationTicks < 6) {
             IShape shape = new Sphere(true, animationTicks, 1, 0, 1);
 
@@ -232,28 +233,28 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
             yVel *= y * 5;
 
             for (int i = 0; i < shape.getVolumeOfSpawnableSpace(); i++) {
-                Vec3d point = shape.computePoint(player.getEntityWorld().rand);
-                Particles.instance().spawnParticle(EnumParticleTypes.BLOCK_CRACK.getParticleID(), false,
-                        player.posX + point.x,
-                        player.posY + y + point.y,
-                        player.posZ + point.z,
-                        0, yVel, 0,
-                        Block.getStateId(Blocks.DIRT.getDefaultState()));
+                Vec3d point = shape.computePoint(player.getEntityWorld().random);
+                player.world.addParticle(new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.DIRT.getDefaultState()),
+                        player.x + point.x,
+                        player.y + y + point.y,
+                        player.z + point.z,
+                        0, yVel, 0
+                );
             }
         }
     }
 
     private void removeTree(World w, BlockPos pos) {
-        IBlockState log = w.getBlockState(pos);
-        int size = measureTree(w, log, pos);
-        if (size > 0) {
-            pos = ascendTrunk(new ArrayList<BlockPos>(), w, pos, log, 0);
+        BlockState log = w.getBlockState(pos);
 
-            removeTreePart( w, log, pos, 0);
+        int size = measureTree(w, log, pos);
+
+        if (size > 0) {
+            removeTreePart( w, log, ascendTrunk(new ArrayList<BlockPos>(), w, pos, log, 0), 0);
         }
     }
 
-    private BlockPos ascendTrunk(List<BlockPos> done, World w, BlockPos pos, IBlockState log, int level) {
+    private BlockPos ascendTrunk(List<BlockPos> done, World w, BlockPos pos, BlockState log, int level) {
         if (level < 3 && !done.contains(pos)) {
             done.add(pos);
 
@@ -280,26 +281,25 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
         return pos;
     }
 
-    private void removeTreePart(World w, IBlockState log, BlockPos pos, int level) {
+    private void removeTreePart(World w, BlockState log, BlockPos pos, int level) {
         if (level < 10 && isWoodOrLeaf(w, log, pos)) {
             if (level < 5) {
-                w.destroyBlock(pos, true);
+                w.breakBlock(pos, true);
             } else {
-                IBlockState state = w.getBlockState(pos);
-                state.getBlock().dropBlockAsItem(w, pos, state, 0);
+                Block.dropStacks(w.getBlockState(pos), w, pos);
                 w.setBlockState(pos, Blocks.AIR.getDefaultState(), 3);
             }
 
             PosHelper.all(pos, p -> {
                 removeTreePart(w, log, p, level + 1);
-            }, UP, NORTH, SOUTH, EAST, WEST);
+            }, Direction.UP, Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST);
 
         }
     }
 
-    private BlockPos ascendTree(World w, IBlockState log, BlockPos pos, boolean remove) {
+    private BlockPos ascendTree(World w, BlockState log, BlockPos pos, boolean remove) {
         int breaks = 0;
-        IBlockState state;
+        BlockState state;
         while (variantAndBlockEquals(w.getBlockState(pos.up()), log)) {
             if (PosHelper.some(pos, p -> isLeaves(w.getBlockState(p), log), HORIZONTALS)) {
                 break;
@@ -307,10 +307,10 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
 
             if (remove) {
                 if (breaks < 10) {
-                    w.destroyBlock(pos, true);
+                    w.breakBlock(pos, true);
                 } else {
                     state = w.getBlockState(pos);
-                    state.getBlock().dropBlockAsItem(w, pos, state, 0);
+                    Block.dropStacks(state, w, pos);
                     w.setBlockState(pos, Blocks.AIR.getDefaultState(), 3);
                 }
                 breaks++;
@@ -321,17 +321,17 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
     }
 
     private int dropApples(World w, BlockPos pos) {
-        IBlockState log = w.getBlockState(pos);
+        BlockState log = w.getBlockState(pos);
         int size = measureTree(w, log, pos);
         if (size > 0) {
 
-            List<EntityItem> capturedDrops = Lists.newArrayList();
+            List<ItemEntity> capturedDrops = Lists.newArrayList();
 
             dropApplesPart(capturedDrops, new ArrayList<BlockPos>(), w, log, pos, 0);
 
             UWorld.enqueueTask(wo -> {
                 capturedDrops.forEach(item -> {
-                    item.setNoPickupDelay();
+                    item.setToDefaultPickupDelay();
                     wo.spawnEntity(item);
                 });
             });
@@ -342,48 +342,48 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
         return 0;
     }
 
-    private void dropApplesPart(List<EntityItem> drops, List<BlockPos> done, World w, IBlockState log, BlockPos pos, int level) {
+    private void dropApplesPart(List<ItemEntity> drops, List<BlockPos> done, World w, BlockState log, BlockPos pos, int level) {
         if (!done.contains(pos)) {
             done.add(pos);
             pos = ascendTree(w, log, pos, false);
             if (level < 10 && isWoodOrLeaf(w, log, pos)) {
-                IBlockState state = w.getBlockState(pos);
+                BlockState state = w.getBlockState(pos);
 
-                if (state.getBlock() instanceof BlockLeaves && w.getBlockState(pos.down()).getMaterial() == Material.AIR) {
+                if (state.getBlock() instanceof LeavesBlock && w.getBlockState(pos.down()).isAir()) {
                     WorldEvent.DESTROY_BLOCK.play(w, pos, state);
 
-                    EntityItem item = new EntityItem(w);
-                    item.setPosition(pos.getX() + w.rand.nextFloat(), pos.getY() - 0.5, pos.getZ() + w.rand.nextFloat());
-                    item.setItem(getApple(w, log));
+                    ItemEntity item = new ItemEntity(EntityType.ITEM, w);
+                    item.setPosition(pos.getX() + w.random.nextFloat(), pos.getY() - 0.5, pos.getZ() + w.random.nextFloat());
+                    item.setStack(getApple(w, log));
 
                     drops.add(item);
                 }
 
                 PosHelper.all(pos, p -> {
                     dropApplesPart(drops, done, w, log, p, level + 1);
-                }, UP, NORTH, SOUTH, EAST, WEST);
+                }, Direction.UP, Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST);
             }
         }
     }
 
-    private ItemStack getApple(World w, IBlockState log) {
+    private ItemStack getApple(World w, BlockState log) {
         return ItemApple.getRandomItemStack(getVariant(log));
     }
 
-    private int measureTree(World w, IBlockState log, BlockPos pos) {
-        List<BlockPos> logs = new ArrayList<BlockPos>();
-        List<BlockPos> leaves = new ArrayList<BlockPos>();
+    private int measureTree(World w, BlockState log, BlockPos pos) {
+        List<BlockPos> logs = new ArrayList<>();
+        List<BlockPos> leaves = new ArrayList<>();
 
         countParts(logs, leaves, w, log, pos);
 
         return logs.size() <= (leaves.size() / 2) ? logs.size() + leaves.size() : 0;
     }
 
-    private BlockPos getBaseOfTree(World w, IBlockState log, BlockPos pos) {
+    private BlockPos getBaseOfTree(World w, BlockState log, BlockPos pos) {
         return getBaseOfTreePart(new ArrayList<BlockPos>(), w, log, pos);
     }
 
-    private BlockPos getBaseOfTreePart(List<BlockPos> done, World w, IBlockState log, BlockPos pos) {
+    private BlockPos getBaseOfTreePart(List<BlockPos> done, World w, BlockState log, BlockPos pos) {
         if (done.contains(pos) || !variantAndBlockEquals(w.getBlockState(pos), log)) {
             return null;
         }
@@ -421,20 +421,20 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
         return pos;
     }
 
-    private boolean isWoodOrLeaf(World w, IBlockState log, BlockPos pos) {
-        IBlockState state = w.getBlockState(pos);
-        return variantAndBlockEquals(state, log) || (isLeaves(state, log) && ((Boolean)state.getValue(BlockLeaves.DECAYABLE)).booleanValue());
+    private boolean isWoodOrLeaf(World w, BlockState log, BlockPos pos) {
+        BlockState state = w.getBlockState(pos);
+        return variantAndBlockEquals(state, log) || (isLeaves(state, log) && state.get(LeavesBlock.PERSISTENT));
     }
 
-    private void countParts(List<BlockPos> logs, List<BlockPos> leaves, World w, IBlockState log, BlockPos pos) {
+    private void countParts(List<BlockPos> logs, List<BlockPos> leaves, World w, BlockState log, BlockPos pos) {
         if (logs.contains(pos) || leaves.contains(pos)) {
             return;
         }
 
-        IBlockState state = w.getBlockState(pos);
+        BlockState state = w.getBlockState(pos);
         boolean yay = false;
 
-        if (state.getBlock() instanceof BlockLeaves && ((Boolean)state.getValue(BlockLeaves.DECAYABLE)).booleanValue() && variantEquals(state, log)) {
+        if (state.getBlock() instanceof LeavesBlock && state.get(LeavesBlock.PERSISTENT) && variantEquals(state, log)) {
             leaves.add(pos);
             yay = true;
         } else if (variantAndBlockEquals(state, log)) {
@@ -445,33 +445,31 @@ public class PowerStomp implements IPower<PowerStomp.Data> {
         if (yay) {
             PosHelper.all(pos, p -> {
                 countParts(logs, leaves, w, log, p);
-            }, UP, NORTH, SOUTH, EAST, WEST);
+            }, Direction.UP, Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST);
         }
     }
 
-    private boolean isLeaves(IBlockState state, IBlockState log) {
-        return state.getBlock() instanceof BlockLeaves && variantEquals(state, log);
+    private boolean isLeaves(BlockState state, BlockState log) {
+        return state.getBlock() instanceof LeavesBlock && variantEquals(state, log);
     }
 
-    private boolean variantAndBlockEquals(IBlockState one, IBlockState two) {
+    private boolean variantAndBlockEquals(BlockState one, BlockState two) {
         return (one.getBlock() == two.getBlock()) && variantEquals(one, two);
     }
 
-    private boolean variantEquals(IBlockState one, IBlockState two) {
+    private boolean variantEquals(BlockState one, BlockState two) {
         return getVariant(one) == getVariant(two);
     }
 
-    private Object getVariant(IBlockState state) {
-        if (state.getBlock() instanceof BlockLeaves) {
-            return ((BlockLeaves)state.getBlock()).getWoodType(state.getBlock().getMetaFromState(state));
+    private Object getVariant(BlockState state) {
+        if (state.getBlock() instanceof LeavesBlock) {
+            return ((LeavesBlock)state.getBlock()).getWoodType(state);
         }
 
-        for (Entry<IProperty<?>, ?> i : state.getProperties().entrySet()) {
-            if (i.getKey().getName().contentEquals("variant")) {
-                return i.getValue();
-            }
-        }
-        return null;
+        return state.getEntries().entrySet().stream()
+                .filter(i -> i.getKey().getName().contentEquals("variant"))
+                .map(i -> i.getValue())
+                .findFirst().orElse(null);
     }
 
     protected static class Data extends Location {

src/main/java/com/minelittlepony/unicopia/ability/powers/PowerTeleport.java

@@ -0,0 +1,174 @@
+package com.minelittlepony.unicopia.ability.powers;
+
+import org.lwjgl.glfw.GLFW;
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.UParticles;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.ability.Location;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.VecHelper;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.FenceBlock;
+import net.minecraft.block.LeavesBlock;
+import net.minecraft.block.WallBlock;
+import net.minecraft.client.network.packet.EntityPassengersSetS2CPacket;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.hit.HitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
+
+public class PowerTeleport implements IPower<Location> {
+
+    @Override
+    public String getKeyName() {
+        return "unicopia.power.teleport";
+    }
+
+    @Override
+    public int getKeyCode() {
+        return GLFW.GLFW_KEY_O;
+    }
+
+    @Override
+    public int getWarmupTime(IPlayer player) {
+        return 20;
+    }
+
+    @Override
+    public int getCooldownTime(IPlayer player) {
+        return 50;
+    }
+
+    @Override
+    public boolean canUse(Race playerSpecies) {
+        return playerSpecies.canCast();
+    }
+
+    @Override
+    public Location tryActivate(IPlayer player) {
+        HitResult ray = VecHelper.getObjectMouseOver(player.getOwner(), 100, 1);
+
+        World w = player.getWorld();
+
+        if (ray.getType() == HitResult.Type.MISS) {
+            return null;
+        }
+
+        BlockPos pos;
+
+        if (ray.getType() == HitResult.Type.ENTITY) {
+            pos = new BlockPos(ray.getPos());
+        } else {
+            pos = ((BlockHitResult)ray).getBlockPos();
+        }
+
+        boolean airAbove = enterable(w, pos.up()) && enterable(w, pos.up(2));
+
+        if (exception(w, pos, player.getOwner())) {
+            Direction sideHit = ((BlockHitResult)ray).getSide();
+
+            if (player.getOwner().isSneaking()) {
+                sideHit = sideHit.getOpposite();
+            }
+
+            pos = pos.offset(sideHit);
+        }
+
+        if (enterable(w, pos.down())) {
+            pos = pos.down();
+
+            if (enterable(w, pos.down())) {
+                if (!airAbove) {
+                    return null;
+                }
+
+                pos = new BlockPos(
+                        ray.getPos().getX(),
+                        pos.getY() + 2,
+                        ray.getPos().getZ());
+            }
+        }
+
+        if ((!enterable(w, pos) && exception(w, pos, player.getOwner()))
+         || (!enterable(w, pos.up()) && exception(w, pos.up(), player.getOwner()))) {
+            return null;
+        }
+
+        return new Location(pos.getX(), pos.getY(), pos.getZ());
+    }
+
+
+
+    @Override
+    public Class<Location> getPackageType() {
+        return Location.class;
+    }
+
+    @Override
+    public void apply(IPlayer iplayer, Location data) {
+        iplayer.getWorld().playSound(null, iplayer.getOrigin(), SoundEvents.ENTITY_ITEM_PICKUP, SoundCategory.PLAYERS, 1, 1);
+
+        PlayerEntity player = iplayer.getOwner();
+        double distance = player.squaredDistanceTo(data.x, data.y, data.z) / 10;
+
+        if (player.hasVehicle()) {
+            Entity mount = player.getVehicle();
+
+            player.stopRiding();
+
+            if (mount instanceof ServerPlayerEntity) {
+                ((ServerPlayerEntity)player).networkHandler.sendPacket(new EntityPassengersSetS2CPacket(player));
+            }
+        }
+
+        player.setPosition(
+                data.x + (player.x - Math.floor(player.x)),
+                data.y,
+                data.z + (player.z - Math.floor(player.z)));
+        iplayer.subtractEnergyCost(distance);
+
+        player.fallDistance /= distance;
+
+        player.world.playSound(null, data.pos(), SoundEvents.ENTITY_ITEM_PICKUP, SoundCategory.PLAYERS, 1, 1);
+    }
+
+    private boolean enterable(World w, BlockPos pos) {
+        BlockState state = w.getBlockState(pos);
+
+        Block block = state.getBlock();
+
+        return w.isAir(pos)
+                || !state.isOpaque()
+                || (block instanceof LeavesBlock);
+    }
+
+    private boolean exception(World w, BlockPos pos, PlayerEntity player) {
+        BlockState state = w.getBlockState(pos);
+
+        Block c = state.getBlock();
+        return state.hasSolidTopSurface(w, pos, player)
+                || state.getMaterial().isLiquid()
+                || (c instanceof WallBlock)
+                || (c instanceof FenceBlock)
+                || (c instanceof LeavesBlock);
+    }
+
+    @Override
+    public void preApply(IPlayer player) {
+        player.addExertion(3);
+        player.spawnParticles(UParticles.UNICORN_MAGIC, 5);
+    }
+
+    @Override
+    public void postApply(IPlayer player) {
+        player.spawnParticles(UParticles.UNICORN_MAGIC, 5);
+    }
+}

src/main/java/com/minelittlepony/unicopia/ability/powers/PowersRegistry.java

@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.power;
+package com.minelittlepony.unicopia.ability.powers;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -7,7 +7,9 @@ import java.util.Map;
 import java.util.Optional;
 
 import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.input.Keyboard;
+import com.minelittlepony.unicopia.ability.IData;
+import com.minelittlepony.unicopia.ability.IPower;
+import com.minelittlepony.unicopia.client.input.Keyboard;
 
 public class PowersRegistry {
 

src/main/java/com/minelittlepony/unicopia/ability/powers/render/DisguiseRenderer.java

@@ -0,0 +1,83 @@
+package com.minelittlepony.unicopia.ability.powers.render;
+
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.unicopia.magic.spells.SpellDisguise;
+
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.render.entity.EntityRenderDispatcher;
+import net.minecraft.entity.Entity;
+
+public class DisguiseRenderer {
+
+    private static final DisguiseRenderer INSTANCE = new DisguiseRenderer();
+
+    public static DisguiseRenderer getInstance() {
+        return INSTANCE;
+    }
+
+    private final MinecraftClient mc = MinecraftClient.getInstance();
+
+    private boolean rendering;
+
+    public boolean renderDisguise(Entity entity, float usedPartialTick) {
+
+        EntityRenderDispatcher renderMan = mc.getEntityRenderManager();
+
+        if (rendering) {
+            renderMan.setRenderShadows(true);
+            renderStaticDisguise(renderMan, entity);
+            renderMan.setRenderShadows(false);
+
+            return true;
+        } else {
+            renderMan.setRenderShadows(renderMan.shouldRenderShadows() || usedPartialTick != 1);
+        }
+
+        return false;
+    }
+
+    protected void renderStaticDisguise(EntityRenderDispatcher renderMan, Entity entity) {
+        Entity observer = mc.getCameraEntity();
+
+        double x = entity.x - observer.x;
+        double y = entity.y - observer.y;
+        double z = entity.z - observer.z;
+
+        renderDisguise(renderMan, entity, x, y, z);
+    }
+
+    public boolean renderDisguiseToGui(IPlayer player) {
+        SpellDisguise effect = player.getEffect(SpellDisguise.class, false);
+
+        if (effect == null || effect.getDead()) {
+            return false;
+        }
+
+        EntityRenderDispatcher renderMan = mc.getEntityRenderManager();
+
+        if (renderMan.shouldRenderShadows()) {
+            return false;
+        }
+
+        Entity e = effect.getDisguise();
+
+        // Check for a disguise and render it in our place.
+        if (e != null) {
+            effect.update(player);
+
+            e.setCustomNameVisible(false);
+            e.setInvisible(false);
+            e.y = player.getOwner().y;
+
+            renderDisguise(renderMan, e, 0, 0, 0);
+        }
+
+        return true;
+    }
+
+    protected void renderDisguise(EntityRenderDispatcher renderMan, Entity entity, double x, double y, double z) {
+        rendering = false;
+        renderMan.render(entity, x, y, z, 0, 1, false);
+        rendering = true;
+    }
+}

src/main/java/com/minelittlepony/unicopia/advancements/AbstractCriterion.java

@@ -0,0 +1,52 @@
+package com.minelittlepony.unicopia.advancements;
+
+import java.util.List;
+import java.util.Map;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+
+import net.minecraft.advancement.PlayerAdvancementTracker;
+import net.minecraft.advancement.criterion.Criterion;
+import net.minecraft.advancement.criterion.CriterionConditions;
+
+public abstract class AbstractCriterion<E extends AbstractCriterion.Entry<T>, T extends CriterionConditions> implements Criterion<T> {
+
+    protected final Map<PlayerAdvancementTracker, E> listeners = Maps.newHashMap();
+
+    @Override
+    public void beginTrackingCondition(PlayerAdvancementTracker key, Criterion.ConditionsContainer<T> listener) {
+        listeners.computeIfAbsent(key, this::createEntry).listeners.add(listener);
+    }
+
+    @Override
+    public void endTrackingCondition(PlayerAdvancementTracker key, Criterion.ConditionsContainer<T> listener) {
+        if (listeners.containsKey(key)) {
+            E entry = listeners.get(key);
+
+            entry.listeners.remove(listener);
+            if (entry.listeners.isEmpty()) {
+                listeners.remove(key);
+            }
+        }
+    }
+
+    @Override
+    public void endTracking(PlayerAdvancementTracker key) {
+        if (listeners.containsKey(key)) {
+            listeners.remove(key);
+        }
+    }
+
+    protected abstract E createEntry(PlayerAdvancementTracker advancement);
+
+    protected static class Entry<T extends CriterionConditions> {
+        protected final PlayerAdvancementTracker advancement;
+
+        protected final List<Criterion.ConditionsContainer<T>> listeners = Lists.newArrayList();
+
+        Entry(PlayerAdvancementTracker key) {
+            advancement = key;
+        }
+    }
+}

src/main/java/com/minelittlepony/unicopia/advancements/AbstractTrigger.java

@@ -1,52 +0,0 @@
-package com.minelittlepony.unicopia.advancements;
-
-import java.util.List;
-import java.util.Map;
-
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-
-import net.minecraft.advancements.ICriterionTrigger;
-import net.minecraft.advancements.PlayerAdvancements;
-import net.minecraft.advancements.critereon.AbstractCriterionInstance;
-
-public abstract class AbstractTrigger<E extends AbstractTrigger.Entry<T>, T extends AbstractCriterionInstance> implements ICriterionTrigger<T> {
-
-    protected final Map<PlayerAdvancements, E> listeners = Maps.newHashMap();
-
-    @Override
-    public void addListener(PlayerAdvancements key, Listener<T> listener) {
-        listeners.computeIfAbsent(key, this::createEntry).listeners.add(listener);;
-    }
-
-    @Override
-    public void removeListener(PlayerAdvancements key, Listener<T> listener) {
-        if (listeners.containsKey(key)) {
-            E entry = listeners.get(key);
-
-            entry.listeners.remove(listener);
-            if (entry.listeners.isEmpty()) {
-                listeners.remove(key);
-            }
-        }
-    }
-
-    @Override
-    public void removeAllListeners(PlayerAdvancements key) {
-        if (listeners.containsKey(key)) {
-            listeners.remove(key);
-        }
-    }
-
-    protected abstract E createEntry(PlayerAdvancements advancement);
-
-    protected static class Entry<T extends AbstractCriterionInstance> {
-        protected final PlayerAdvancements advancement;
-
-        protected final List<Listener<T>> listeners = Lists.newArrayList();
-
-        Entry(PlayerAdvancements key) {
-            advancement = key;
-        }
-    }
-}

src/main/java/com/minelittlepony/unicopia/advancements/AdvancementPredicate.java

@@ -2,30 +2,30 @@ package com.minelittlepony.unicopia.advancements;
 
 import com.google.gson.JsonElement;
 
-import net.minecraft.advancements.Advancement;
-import net.minecraft.advancements.PlayerAdvancements;
-import net.minecraft.util.ResourceLocation;
-import net.minecraft.world.WorldServer;
+import net.minecraft.advancement.Advancement;
+import net.minecraft.advancement.PlayerAdvancementTracker;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.Identifier;
 
 /**
  * Predicate for testing whether a player has a previous advancement.
  * Allows for unlocking advancements in linear succession.
  */
-public class AdvancementPredicate {
+class AdvancementPredicate {
 
     public static AdvancementPredicate deserialize(JsonElement json) {
         return new AdvancementPredicate(json.getAsString());
     }
 
-    private final ResourceLocation id;
+    private final Identifier id;
 
     public AdvancementPredicate(String advancement) {
-        this.id = new ResourceLocation(advancement);
+        this.id = new Identifier(advancement);
     }
 
-    public boolean test(WorldServer world, PlayerAdvancements playerAdvancements) {
-        Advancement advancement = world.getAdvancementManager().getAdvancement(id);
+    public boolean test(ServerWorld world, PlayerAdvancementTracker tracker) {
+        Advancement advancement = world.getServer().getAdvancementManager().get(id);
 
-        return advancement != null && playerAdvancements.getProgress(advancement).isDone();
+        return advancement != null && tracker.getProgress(advancement).isDone();
     }
 }

src/main/java/com/minelittlepony/unicopia/advancements/BOHDeathCriterion.java

@@ -0,0 +1,74 @@
+package com.minelittlepony.unicopia.advancements;
+
+import java.util.Optional;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonObject;
+
+import net.minecraft.advancement.PlayerAdvancementTracker;
+import net.minecraft.advancement.criterion.AbstractCriterionConditions;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.Identifier;
+
+/**
+ * Advantement trigger for the book of holding. It's an achievement to die so spectacularly! :D
+ */
+public class BOHDeathCriterion extends AbstractCriterion<BOHDeathCriterion.Entry, BOHDeathCriterion.Conditions> {
+    // TODO:  Need to register this
+    public static final BOHDeathCriterion INSTANCE = new BOHDeathCriterion();
+
+    private static final Identifier ID = new Identifier("unicopia", "death_by_bag_of_holding");
+
+    @Override
+    public Identifier getId() {
+        return ID;
+    }
+
+    @Override
+    public Conditions conditionsFromJson(JsonObject json, JsonDeserializationContext context) {
+        return new Conditions(AdvancementPredicate.deserialize(json.get("advancement")));
+    }
+
+    @Override
+    protected Entry createEntry(PlayerAdvancementTracker advancement) {
+        return new Entry(advancement);
+    }
+
+    public void trigger(ServerPlayerEntity player) {
+        PlayerAdvancementTracker key = player.getAdvancementManager();
+
+        Optional.ofNullable(listeners.get(key)).ifPresent(e -> {
+            e.trigger((ServerWorld)player.world, key);
+        });
+    }
+
+    static class Conditions extends AbstractCriterionConditions {
+
+        private final AdvancementPredicate requirement;
+
+        public Conditions(AdvancementPredicate key) {
+            super(ID);
+
+            requirement = key;
+        }
+
+        public boolean test(ServerWorld world, PlayerAdvancementTracker stracker) {
+            return requirement.test(world, stracker);
+        }
+
+    }
+
+    static class Entry extends AbstractCriterion.Entry<BOHDeathCriterion.Conditions> {
+
+        Entry(PlayerAdvancementTracker key) {
+            super(key);
+        }
+
+        public void trigger(ServerWorld world, PlayerAdvancementTracker tracker) {
+            listeners.stream()
+                .filter(listener -> listener.getConditions().test(world, tracker))
+                .forEach(winner -> winner.apply(advancement));
+        }
+    }
+}

src/main/java/com/minelittlepony/unicopia/advancements/BOHDeathTrigger.java

@@ -1,73 +0,0 @@
-package com.minelittlepony.unicopia.advancements;
-
-import java.util.Optional;
-
-import com.google.gson.JsonDeserializationContext;
-import com.google.gson.JsonObject;
-
-import net.minecraft.advancements.PlayerAdvancements;
-import net.minecraft.advancements.critereon.AbstractCriterionInstance;
-import net.minecraft.entity.player.EntityPlayerMP;
-import net.minecraft.util.ResourceLocation;
-import net.minecraft.world.WorldServer;
-
-/**
- * Advantement trigger for the book of holding. It's an achievement to die so spectacularly! :D
- */
-public class BOHDeathTrigger extends AbstractTrigger<BOHDeathTrigger.Entry, BOHDeathTrigger.Instance> {
-
-    private static final ResourceLocation ID = new ResourceLocation("unicopia", "death_by_bag_of_holding");
-
-    @Override
-    public ResourceLocation getId() {
-        return ID;
-    }
-
-    @Override
-    public Instance deserializeInstance(JsonObject json, JsonDeserializationContext context) {
-        return new Instance(AdvancementPredicate.deserialize(json.get("advancement")));
-    }
-
-    @Override
-    protected Entry createEntry(PlayerAdvancements advancement) {
-        return new Entry(advancement);
-    }
-
-    public void trigger(EntityPlayerMP player) {
-        PlayerAdvancements key = player.getAdvancements();
-
-        Optional.ofNullable(listeners.get(key)).ifPresent(e -> {
-            e.trigger((WorldServer)player.world, key);
-        });
-    }
-
-    static class Instance extends AbstractCriterionInstance {
-
-        private final AdvancementPredicate requirement;
-
-        public Instance(AdvancementPredicate key) {
-            super(ID);
-
-            requirement = key;
-        }
-
-        public boolean test(WorldServer world, PlayerAdvancements playerAdvancements) {
-            return requirement.test(world, playerAdvancements);
-        }
-
-    }
-
-    static class Entry extends AbstractTrigger.Entry<BOHDeathTrigger.Instance> {
-
-        Entry(PlayerAdvancements key) {
-            super(key);
-        }
-
-        public void trigger(WorldServer world, PlayerAdvancements playerAdvancements) {
-            listeners.stream()
-                .filter(listener -> listener.getCriterionInstance().test(world, playerAdvancements))
-                .forEach(winner -> winner.grantCriterion(advancement));;
-        }
-    }
-
-}

src/main/java/com/minelittlepony/unicopia/advancements/UAdvancements.java

@@ -1,11 +0,0 @@
-package com.minelittlepony.unicopia.advancements;
-
-import net.minecraft.advancements.CriteriaTriggers;
-
-public class UAdvancements {
-    public static final BOHDeathTrigger BOH_DEATH = new BOHDeathTrigger();
-
-    public static void init() {
-        CriteriaTriggers.register(BOH_DEATH);
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockAlfalfa.java

@@ -4,55 +4,51 @@ import java.util.Random;
 
 import javax.annotation.Nullable;
 
-import com.minelittlepony.unicopia.init.UItems;
+import com.minelittlepony.unicopia.UItems;
 
-import net.minecraft.block.BlockCrops;
-import net.minecraft.block.properties.PropertyEnum;
-import net.minecraft.block.properties.PropertyInteger;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Items;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.CropBlock;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.NonNullList;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.item.Items;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.state.property.IntProperty;
+import net.minecraft.util.StringIdentifiable;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.util.math.Box;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
-import net.minecraftforge.common.EnumPlantType;
-import net.minecraftforge.common.ForgeHooks;
 
-public class BlockAlfalfa extends BlockCrops {
+public class BlockAlfalfa extends CropBlock {
 
-    public static final PropertyInteger AGE = PropertyInteger.create("age", 0, 4);
-    public static final PropertyEnum<Half> HALF = PropertyEnum.create("half", Half.class);
+    public static final IntProperty AGE = IntProperty.of("age", 0, 4);
+    public static final EnumProperty<Half> HALF = EnumProperty.of("half", Half.class);
 
-    private static final AxisAlignedBB[] BOUNDS = new AxisAlignedBB[] {
-        new AxisAlignedBB(0, 0, 0, 1, 0.1, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 0.2, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 0.4, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 0.6, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 0.8, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 1,   1),
-        new AxisAlignedBB(0, 0, 0, 1, 1.2, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 1.4, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 1.6, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 1.8, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 2,   1),
-        new AxisAlignedBB(0, 0, 0, 1, 2.2, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 2.4, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 2.6, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 2.8, 1),
-        new AxisAlignedBB(0, 0, 0, 1, 3,   1)
+    private static final Box[] BOUNDS = new Box[] {
+        new Box(0, 0, 0, 1, 0.1, 1),
+        new Box(0, 0, 0, 1, 0.2, 1),
+        new Box(0, 0, 0, 1, 0.4, 1),
+        new Box(0, 0, 0, 1, 0.6, 1),
+        new Box(0, 0, 0, 1, 0.8, 1),
+        new Box(0, 0, 0, 1, 1,   1),
+        new Box(0, 0, 0, 1, 1.2, 1),
+        new Box(0, 0, 0, 1, 1.4, 1),
+        new Box(0, 0, 0, 1, 1.6, 1),
+        new Box(0, 0, 0, 1, 1.8, 1),
+        new Box(0, 0, 0, 1, 2,   1),
+        new Box(0, 0, 0, 1, 2.2, 1),
+        new Box(0, 0, 0, 1, 2.4, 1),
+        new Box(0, 0, 0, 1, 2.6, 1),
+        new Box(0, 0, 0, 1, 2.8, 1),
+        new Box(0, 0, 0, 1, 3,   1)
     };
 
     public BlockAlfalfa(String domain, String name) {
         setRegistryName(domain, name);
         setTranslationKey(name);
 
-        setDefaultState(getDefaultState().withProperty(HALF, Half.BOTTOM));
+        setDefaultState(getDefaultState().with(HALF, Half.BOTTOM));
     }
 
     @Override
@@ -61,7 +57,7 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    protected PropertyInteger getAgeProperty() {
+    public IntProperty getAgeProperty() {
         return AGE;
     }
 
@@ -71,7 +67,7 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    protected Item getSeed() {
+    protected Item getSeedsItem() {
         return UItems.alfalfa_seeds;
     }
 
@@ -81,37 +77,32 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    public void updateTick(World world, BlockPos pos, IBlockState state, Random rand) {
+    public void onScheduledTick(BlockState state, World world, BlockPos pos, Random rand) {
         checkAndDropBlock(world, pos, state);
         if (rand.nextInt(10) != 0) {
 
-            if (world.isAreaLoaded(pos, 1) && world.getLightFromNeighbors(pos.up()) >= 9) {
-                if (canGrow(world, pos, state, false)) {
-                    float f = getGrowthChance(this, world, pos);
-
-                    if(ForgeHooks.onCropsGrowPre(world, pos, state, rand.nextInt((int)(25 / f) + 1) == 0)) {
-                        growUpwards(world, pos, state, 1);
-                        ForgeHooks.onCropsGrowPost(world, pos, state, world.getBlockState(pos));
-                    }
+            if (world.isBlockLoaded(pos) && world.getLightLevel(pos.up()) >= 9) {
+                if (canGrow(world, rand, pos, state)) {
+                    growUpwards(world, pos, state, 1);
                 }
             }
         }
     }
 
     @Override
-    protected boolean canSustainBush(IBlockState state) {
+    protected boolean canSustainBush(BlockState state) {
         return super.canSustainBush(state) || state.getBlock() == this;
     }
 
-    protected void growUpwards(World world, BlockPos pos, IBlockState state, int increase) {
+    protected void growUpwards(World world, BlockPos pos, BlockState state, int increase) {
         boolean hasDown = world.getBlockState(pos.down()).getBlock() == this;
         boolean hasTrunk = world.getBlockState(pos.down(2)).getBlock() == this;
         boolean hasRoot = world.getBlockState(pos.down(3)).getBlock() == this;
 
         if (state.getBlock() != this) {
-            if (state.getBlock().isAir(state, world, pos)) {
+            if (state.isAir()) {
                 if (!(hasDown && hasTrunk && hasRoot)) {
-                    world.setBlockState(pos, withAge(increase).withProperty(HALF, Half.TOP));
+                    world.setBlockState(pos, withAge(increase).with(HALF, Half.TOP));
                 }
             }
             return;
@@ -130,17 +121,17 @@ public class BlockAlfalfa extends BlockCrops {
         boolean hasUp = world.getBlockState(pos.up()).getBlock() == this;
 
         if (hasDown && hasUp) {
-            world.setBlockState(pos, withAge(age).withProperty(HALF, Half.MIDDLE));
+            world.setBlockState(pos, withAge(age).with(HALF, Half.MIDDLE));
         } else if (hasUp) {
-            world.setBlockState(pos, withAge(age).withProperty(HALF, Half.BOTTOM));
+            world.setBlockState(pos, withAge(age).with(HALF, Half.BOTTOM));
         } else {
-            world.setBlockState(pos, withAge(age).withProperty(HALF, Half.TOP));
+            world.setBlockState(pos, withAge(age).with(HALF, Half.TOP));
         }
     }
 
     @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        if (state.getValue(HALF) != Half.BOTTOM) {
+    public Item getItemDropped(BlockState state, Random rand, int fortune) {
+        if (state.get(HALF) != Half.BOTTOM) {
             return Items.AIR;
         }
 
@@ -148,8 +139,8 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    public void getDrops(NonNullList<ItemStack> drops, IBlockAccess world, BlockPos pos, IBlockState state, int fortune) {
-        Random rand = world instanceof World ? ((World)world).rand : RANDOM;
+    public void getDrops(NonNullList<ItemStack> drops, BlockView world, BlockPos pos, BlockState state, int fortune) {
+        Random rand = world instanceof World ? ((World)world).random : RANDOM;
 
         Item item = getItemDropped(state, rand, fortune);
         if (item != Items.AIR) {
@@ -162,40 +153,32 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    public int quantityDropped(IBlockState state, int fortune, Random random) {
+    public int quantityDropped(BlockState state, int fortune, Random random) {
         return 1;
     }
 
     @Override
-    public boolean canBlockStay(World world, BlockPos pos, IBlockState state) {
+    public boolean canBlockStay(World world, BlockPos pos, BlockState state) {
         return getHalf(state) != Half.BOTTOM || super.canBlockStay(world, pos, state);
     }
 
-    public void onPlayerDestroy(World worldIn, BlockPos pos, IBlockState state) {
+    public void onPlayerDestroy(World worldIn, BlockPos pos, BlockState state) {
         breakConnectedBlocks(worldIn, pos, null);
     }
 
     @Override
-    public void onBlockHarvested(World worldIn, BlockPos pos, IBlockState state, EntityPlayer player) {
+    public void onBlockHarvested(World worldIn, BlockPos pos, BlockState state, PlayerEntity player) {
         breakConnectedBlocks(worldIn, pos, player);
     }
 
-    protected void breakConnectedBlocks(World worldIn, BlockPos pos, @Nullable EntityPlayer player) {
-        IBlockState state = worldIn.getBlockState(pos);
+    protected void breakConnectedBlocks(World worldIn, BlockPos pos, @Nullable PlayerEntity player) {
+        BlockState state = worldIn.getBlockState(pos);
 
         if (state.getBlock() != this) {
             return;
         }
 
-        if (player != null && player.capabilities.isCreativeMode) {
-            worldIn.setBlockToAir(pos);
-        } else {
-            if (worldIn.isRemote) {
-                worldIn.setBlockToAir(pos);
-            } else {
-                worldIn.destroyBlock(pos, true);
-            }
-        }
+        worldIn.breakBlock(pos, true);
 
         Half half = getHalf(state);
 
@@ -218,26 +201,25 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    public boolean canCollideCheck(IBlockState state, boolean hitIfLiquid) {
+    public boolean canCollideCheck(BlockState state, boolean hitIfLiquid) {
         return getHalf(state) != Half.MIDDLE;
     }
 
-    @Deprecated
     @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
+    public Box getBoundingBox(BlockState state, BlockView source, BlockPos pos) {
         return BOUNDS[Math.min(BOUNDS.length - 1, getFullAge(source, pos))].offset(getOffset(state, source, pos));
     }
 
     @Override
-    public boolean canGrow(World world, BlockPos pos, IBlockState state, boolean isClient) {
+    public boolean canGrow(World world, Random random, BlockPos pos, BlockState state) {
         Half half = getHalf(state);
 
         if (half == Half.MIDDLE || (half == Half.TOP && world.getBlockState(pos.down()).getBlock() == this)) {
             return false;
         }
 
-        IBlockState above = world.getBlockState(pos.up(1));
-        IBlockState higher = world.getBlockState(pos.up(2));
+        BlockState above = world.getBlockState(pos.up(1));
+        BlockState higher = world.getBlockState(pos.up(2));
 
         boolean iCanGrow = !isMaxAge(state);
         boolean aboveCanGrow = above.getBlock() != this || !isMaxAge(above);
@@ -247,13 +229,13 @@ public class BlockAlfalfa extends BlockCrops {
     }
 
     @Override
-    public void grow(World world, BlockPos pos, IBlockState state) {
+    public void applyGrowth(World world, BlockPos pos, BlockState state) {
         growUpwards(world, pos, state, getBonemealAgeIncrease(world));
     }
 
     protected BlockPos getTip(World world, BlockPos pos) {
         BlockPos above = pos.up();
-        IBlockState state = world.getBlockState(above);
+        BlockState state = world.getBlockState(above);
 
         if (state.getBlock() == this) {
             return getTip(world, above);
@@ -262,35 +244,29 @@ public class BlockAlfalfa extends BlockCrops {
         return pos;
     }
 
-    protected int getFullAge(IBlockAccess world, BlockPos pos) {
-        IBlockState state = world.getBlockState(pos);
+    protected int getFullAge(BlockView world, BlockPos pos) {
+        BlockState state = world.getBlockState(pos);
 
         int age = 0;
 
         if (state.getBlock() == this) {
-            age += state.getValue(getAgeProperty());
-
+            age += state.get(getAgeProperty());
             age += getFullAge(world, pos.up());
         }
 
         return age;
     }
 
-    protected Half getHalf(IBlockState state) {
-        return (Half)state.getValue(HALF);
+    protected Half getHalf(BlockState state) {
+        return state.get(HALF);
     }
 
     @Override
-    public EnumPlantType getPlantType(IBlockAccess world, BlockPos pos) {
-        return EnumPlantType.Crop;
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
+    public BlockState getStateFromMeta(int meta) {
         int age = meta % (getMaxAge() + 1);
         int half = (int)Math.floor(meta / (getMaxAge() + 1)) % Half.values().length;
 
-        return withAge(age).withProperty(HALF, Half.values()[half]);
+        return withAge(age).with(HALF, Half.values()[half]);
     }
 
     // 0: age:0, half:0
@@ -310,14 +286,14 @@ public class BlockAlfalfa extends BlockCrops {
     //14: age:4, half:2
 
     @Override
-    public int getMetaFromState(IBlockState state) {
+    public int getMetaFromState(BlockState state) {
         int age = getAge(state);
         int half = getHalf(state).ordinal();
 
         return (half * (getMaxAge() + 1)) + age;
     }
 
-    public static enum Half implements IStringSerializable {
+    public enum Half implements StringIdentifiable {
         TOP,
         MIDDLE,
         BOTTOM;
@@ -330,12 +306,14 @@ public class BlockAlfalfa extends BlockCrops {
             return this != BOTTOM;
         }
 
+        @Override
         public String toString() {
-            return getName();
+            return this == TOP ? "top" : this == MIDDLE ? "middle" : "bottom";
         }
 
-        public String getName() {
-            return this == TOP ? "top" : this == MIDDLE ? "middle" : "bottom";
+        @Override
+        public String asString() {
+            return toString();
         }
     }
 }

src/main/java/com/minelittlepony/unicopia/block/BlockChiselledChitin.java

@@ -1,49 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.init.UMaterials;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-
-import net.minecraft.block.material.MapColor;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-
-public class BlockChiselledChitin extends BlockDirected {
-
-    public BlockChiselledChitin(String domain, String name) {
-        super(UMaterials.hive, domain, name);
-
-        setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
-        setHardness(50);
-        setResistance(2000);
-    }
-
-    @Override
-    public MapColor getMapColor(IBlockState state, IBlockAccess worldIn, BlockPos pos) {
-        return MapColor.BLACK;
-    }
-
-    @Deprecated
-    @Override
-    public float getPlayerRelativeBlockHardness(IBlockState state, EntityPlayer player, World worldIn, BlockPos pos) {
-        float hardness = super.getPlayerRelativeBlockHardness(state, player, worldIn, pos);
-
-        IPlayer iplayer = PlayerSpeciesList.instance().getPlayer(player);
-        Race race = iplayer.getPlayerSpecies();
-
-        if (race == Race.CHANGELING) {
-            hardness *= 80;
-        } else if (race.canInteractWithClouds()) {
-            hardness /= 4;
-        } else if (race.canUseEarth()) {
-            hardness *= 10;
-        }
-
-        return hardness;
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockChitin.java

@@ -1,113 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-
-import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.init.UItems;
-import com.minelittlepony.unicopia.init.UMaterials;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.material.MapColor;
-import net.minecraft.block.properties.PropertyEnum;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.item.Item;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-
-public class BlockChitin extends Block {
-
-    public static final PropertyEnum<Covering> COVERING = PropertyEnum.create("covering", Covering.class);
-
-    public BlockChitin(String domain, String name) {
-        super(UMaterials.hive);
-
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-        setDefaultState(blockState.getBaseState().withProperty(COVERING, Covering.UNCOVERED));
-        setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
-        setHardness(50);
-        setResistance(2000);
-    }
-
-    @Override
-    public MapColor getMapColor(IBlockState state, IBlockAccess worldIn, BlockPos pos) {
-        return MapColor.BLACK;
-    }
-
-    @Override
-    public int quantityDropped(Random random) {
-        return 3;
-    }
-
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        return UItems.chitin_shell;
-    }
-
-    @Deprecated
-    @Override
-    public float getPlayerRelativeBlockHardness(IBlockState state, EntityPlayer player, World worldIn, BlockPos pos) {
-        float hardness = super.getPlayerRelativeBlockHardness(state, player, worldIn, pos);
-
-        IPlayer iplayer = PlayerSpeciesList.instance().getPlayer(player);
-        Race race = iplayer.getPlayerSpecies();
-
-        if (race == Race.CHANGELING) {
-            hardness *= 80;
-        } else if (race.canInteractWithClouds()) {
-            hardness /= 4;
-        } else if (race.canUseEarth()) {
-            hardness *= 10;
-        }
-
-        return hardness;
-    }
-
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        return 0;
-    }
-
-    @Override
-    public IBlockState getActualState(IBlockState state, IBlockAccess world, BlockPos pos) {
-        IBlockState s = world.getBlockState(pos.up());
-        Block block = s.getBlock();
-
-        boolean snowy = block == Blocks.SNOW || block == Blocks.SNOW_LAYER;
-        boolean solid = (s.isFullBlock() && s.isFullCube()) || s.isSideSolid(world, pos.up(), EnumFacing.DOWN);
-
-        return state.withProperty(COVERING, snowy ? Covering.SNOW_COVERED : solid ? Covering.COVERED : Covering.UNCOVERED);
-    }
-
-    @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, COVERING);
-    }
-
-    public static enum Covering implements IStringSerializable {
-        COVERED,
-        UNCOVERED,
-        SNOW_COVERED;
-
-        @Override
-        public String toString() {
-            return getName();
-        }
-
-        @Override
-        public String getName() {
-            return name().toLowerCase();
-        }
-
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockCloud.java

@@ -6,9 +6,9 @@ import java.util.Random;
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.CloudType;
-import com.minelittlepony.unicopia.init.UBlocks;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.UBlocks;
 import com.minelittlepony.unicopia.item.ItemMoss;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.SoundType;
@@ -20,7 +20,7 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
@@ -146,7 +146,7 @@ public class BlockCloud extends Block implements ICloudBlock, ITillable {
     }
 
     @Deprecated
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
+    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
         if (getCanInteract(state, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
         }
@@ -177,7 +177,7 @@ public class BlockCloud extends Block implements ICloudBlock, ITillable {
 
     @Override
     public boolean canBeTilled(ItemStack hoe, EntityPlayer player, World world, IBlockState state, BlockPos pos) {
-        return PlayerSpeciesList.instance().getPlayer(player).getPlayerSpecies().canInteractWithClouds()
+        return SpeciesList.instance().getPlayer(player).getSpecies().canInteractWithClouds()
                 && ITillable.super.canBeTilled(hoe, player, world, state, pos);
     }
 

src/main/java/com/minelittlepony/unicopia/block/BlockCloudAnvil.java

@@ -20,7 +20,7 @@ import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.NonNullList;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
@@ -128,7 +128,7 @@ public class BlockCloudAnvil extends BlockAnvil implements ICloudBlock {
     }
 
     @Deprecated
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
+    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
         if (getCanInteract(state, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
         }

src/main/java/com/minelittlepony/unicopia/block/BlockCloudBanister.java

@@ -11,7 +11,7 @@ import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
 import net.minecraft.util.BlockRenderLayer;
 import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
@@ -22,28 +22,28 @@ public class BlockCloudBanister extends BlockCloudFence {
     public static final double d = 5/16D;
     public static final double h = 2/16D;
 
-    public static final AxisAlignedBB SOUTH_AABB = new AxisAlignedBB(d, 0, l, l, h, 1);
-    public static final AxisAlignedBB WEST_AABB = new AxisAlignedBB(0, 0, d, d, h, l);
-    public static final AxisAlignedBB NORTH_AABB = new AxisAlignedBB(d, 0, 0, l, h, d);
-    public static final AxisAlignedBB EAST_AABB = new AxisAlignedBB(l, 0, d, 1, h, l);
+    public static final Box SOUTH_AABB = new Box(d, 0, l, l, h, 1);
+    public static final Box WEST_AABB = new Box(0, 0, d, d, h, l);
+    public static final Box NORTH_AABB = new Box(d, 0, 0, l, h, d);
+    public static final Box EAST_AABB = new Box(l, 0, d, 1, h, l);
 
-    public static final AxisAlignedBB[] BOUNDING_BOXES = new AxisAlignedBB[] {
-            new AxisAlignedBB(d, 0, d, l, h, l),
-            new AxisAlignedBB(d, 0, d, l, h, 1),
-            new AxisAlignedBB(0, 0, d, l, h, l),
-            new AxisAlignedBB(0, 0, d, l, h, 1),
-            new AxisAlignedBB(d, 0, 0, l, h, l),
-            new AxisAlignedBB(d, 0, 0, l, h, 1),
-            new AxisAlignedBB(0, 0, 0, l, h, l),
-            new AxisAlignedBB(0, 0, 0, l, h, 1),
-            new AxisAlignedBB(d, 0, d, 1, h, l),
-            new AxisAlignedBB(d, 0, d, 1, h, 1),
-            new AxisAlignedBB(0, 0, d, 1, h, l),
-            new AxisAlignedBB(0, 0, d, 1, h, 1),
-            new AxisAlignedBB(d, 0, 0, 1, h, l),
-            new AxisAlignedBB(d, 0, 0, 1, h, 1),
-            new AxisAlignedBB(0, 0, 0, 1, h, l),
-            new AxisAlignedBB(0, 0, 0, 1, h, 1)
+    public static final Box[] BOUNDING_BOXES = new Box[] {
+            new Box(d, 0, d, l, h, l),
+            new Box(d, 0, d, l, h, 1),
+            new Box(0, 0, d, l, h, l),
+            new Box(0, 0, d, l, h, 1),
+            new Box(d, 0, 0, l, h, l),
+            new Box(d, 0, 0, l, h, 1),
+            new Box(0, 0, 0, l, h, l),
+            new Box(0, 0, 0, l, h, 1),
+            new Box(d, 0, d, 1, h, l),
+            new Box(d, 0, d, 1, h, 1),
+            new Box(0, 0, d, 1, h, l),
+            new Box(0, 0, d, 1, h, 1),
+            new Box(d, 0, 0, 1, h, l),
+            new Box(d, 0, 0, 1, h, 1),
+            new Box(0, 0, 0, 1, h, l),
+            new Box(0, 0, 0, 1, h, 1)
     };
 
     public BlockCloudBanister(Material material, String domain, String name) {
@@ -73,7 +73,7 @@ public class BlockCloudBanister extends BlockCloudFence {
 
     @Deprecated
     @Override
-    public void addCollisionBoxToList(IBlockState state, World world, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
+    public void addCollisionBoxToList(IBlockState state, World world, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
         if (!getCanInteract(state, entity)) {
             return;
         }
@@ -110,7 +110,7 @@ public class BlockCloudBanister extends BlockCloudFence {
     }
 
     @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
+    public Box getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
         state = state.getActualState(source, pos);
         return BOUNDING_BOXES[getBoundingBoxIdx(state)];
     }

src/main/java/com/minelittlepony/unicopia/block/BlockCloudFarm.java

@@ -5,19 +5,18 @@ import java.util.List;
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.CloudType;
-import com.minelittlepony.unicopia.init.UBlocks;
+import com.minelittlepony.unicopia.UBlocks;
 
-import net.minecraft.block.SoundType;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockRenderLayer;
+import net.minecraft.block.BlockState;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.BlockRenderLayer;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Direction.Axis;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 
 public class BlockCloudFarm extends UFarmland implements ICloudBlock {
@@ -29,12 +28,7 @@ public class BlockCloudFarm extends UFarmland implements ICloudBlock {
     }
 
     @Override
-    public boolean isTranslucent(IBlockState state) {
-        return true;
-    }
-
-    @Override
-    public boolean isAir(IBlockState state, IBlockAccess world, BlockPos pos) {
+    public boolean isAir(BlockState state, IBlockAccess world, BlockPos pos) {
         return allowsFallingBlockToPass(state, world, pos);
     }
 
@@ -44,21 +38,19 @@ public class BlockCloudFarm extends UFarmland implements ICloudBlock {
     }
 
     @Override
-    public boolean doesSideBlockRendering(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing face) {
-
-        IBlockState beside = world.getBlockState(pos.offset(face));
+    public boolean isSideInvisible(BlockState state, BlockState beside, Direction face) {
 
         if (beside.getBlock() instanceof ICloudBlock) {
             ICloudBlock cloud = ((ICloudBlock)beside.getBlock());
 
-            if ((face == EnumFacing.DOWN || face == EnumFacing.UP || cloud == this)) {
+            if ((face.getAxis() == Axis.Y || cloud == this)) {
                 if (cloud.getCloudMaterialType(beside) == getCloudMaterialType(state)) {
                     return true;
                 }
             }
         }
 
-        return super.doesSideBlockRendering(state, world, pos, face);
+        return super.isSideInvisible(state, beside, face);
     }
 
     @Override
@@ -69,21 +61,21 @@ public class BlockCloudFarm extends UFarmland implements ICloudBlock {
     }
 
     @Override
-    public void onLanded(World worldIn, Entity entity) {
+    public void onEntityLand(BlockView world, Entity entity) {
         if (!applyRebound(entity)) {
-            super.onLanded(worldIn, entity);
+            super.onEntityLand(world, entity);
         }
     }
 
     @Override
-    public void onEntityCollision(World w, BlockPos pos, IBlockState state, Entity entity) {
+    public void onEntityCollision(BlockState state, World w, BlockPos pos, Entity entity) {
         if (!applyBouncyness(state, entity)) {
-            super.onEntityCollision(w, pos, state, entity);
+            super.onEntityCollision(state, w, pos, entity);
         }
     }
 
     @Override
-    public boolean canEntityDestroy(IBlockState state, IBlockAccess world, BlockPos pos, Entity entity) {
+    public boolean canEntityDestroy(BlockState state, BlockView world, BlockPos pos, Entity entity) {
         return getCanInteract(state, entity) && super.canEntityDestroy(state, world, pos, entity);
     }
 
@@ -97,7 +89,7 @@ public class BlockCloudFarm extends UFarmland implements ICloudBlock {
     }
 
     @Deprecated
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
+    public void addCollisionBoxToList(BlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
         if (getCanInteract(state, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
         }
@@ -105,21 +97,21 @@ public class BlockCloudFarm extends UFarmland implements ICloudBlock {
 
     @Deprecated
     @Override
-    public float getPlayerRelativeBlockHardness(IBlockState state, EntityPlayer player, World worldIn, BlockPos pos) {
+    public float calcBlockBreakingDelta(BlockState state, PlayerEntity player, BlockView world, BlockPos pos) {
         if (CloudType.NORMAL.canInteract(player)) {
-            return super.getPlayerRelativeBlockHardness(state, player, worldIn, pos);
+            return super.calcBlockBreakingDelta(state, player, world, pos);
         }
         return -1;
     }
 
 
     @Override
-    public CloudType getCloudMaterialType(IBlockState blockState) {
+    public CloudType getCloudMaterialType(BlockState blockState) {
         return CloudType.NORMAL;
     }
 
     @Override
-    protected IBlockState getDroppedState(IBlockState state) {
+    protected BlockState getDroppedState(BlockState state) {
         return UBlocks.normal_cloud.getDefaultState();
     }
 }

src/main/java/com/minelittlepony/unicopia/block/BlockCloudFence.java

@@ -6,22 +6,17 @@ import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.CloudType;
 
-import net.minecraft.block.BlockFence;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockRenderLayer;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.FenceBlock;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.BlockRenderLayer;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 
-public class BlockCloudFence extends BlockFence implements ICloudBlock {
+public class BlockCloudFence extends FenceBlock implements ICloudBlock {
 
     private final CloudType variant;
 
@@ -71,7 +66,7 @@ public class BlockCloudFence extends BlockFence implements ICloudBlock {
 
     @Override
     public BlockRenderLayer getRenderLayer() {
-        return variant == CloudType.NORMAL ? BlockRenderLayer.TRANSLUCENT : super.getRenderLayer();
+        return BlockRenderLayer.TRANSLUCENT;
     }
 
     @Override
@@ -82,9 +77,9 @@ public class BlockCloudFence extends BlockFence implements ICloudBlock {
     }
 
     @Override
-    public void onLanded(World worldIn, Entity entity) {
+    public void onEntityLand(BlockView world, Entity entity) {
         if (!applyRebound(entity)) {
-            super.onLanded(worldIn, entity);
+            super.onEntityLand(world, entity);
         }
     }
 
@@ -96,9 +91,9 @@ public class BlockCloudFence extends BlockFence implements ICloudBlock {
     }
 
     @Override
-    public void onEntityCollision(World w, BlockPos pos, IBlockState state, Entity entity) {
+    public void onEntityCollision(BlockState state, World w, BlockPos pos, Entity entity) {
         if (!applyBouncyness(state, entity)) {
-            super.onEntityCollision(w, pos, state, entity);
+            super.onEntityCollision(state, w, pos, entity);
         }
     }
 
@@ -108,7 +103,7 @@ public class BlockCloudFence extends BlockFence implements ICloudBlock {
     }
 
     @Deprecated
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
+    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
         if (getCanInteract(state, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, isActualState);
         }
@@ -116,9 +111,9 @@ public class BlockCloudFence extends BlockFence implements ICloudBlock {
 
     @Deprecated
     @Override
-    public float getPlayerRelativeBlockHardness(IBlockState state, EntityPlayer player, World worldIn, BlockPos pos) {
+    public float calcBlockBreakingDelta(BlockState state, PlayerEntity player, BlockView world, BlockPos pos) {
         if (CloudType.NORMAL.canInteract(player)) {
-            return super.getPlayerRelativeBlockHardness(state, player, worldIn, pos);
+            return super.calcBlockBreakingDelta(state, player, world, pos);
         }
         return -1;
     }

src/main/java/com/minelittlepony/unicopia/block/BlockCloudSlab.java

@@ -6,20 +6,18 @@ import java.util.Random;
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.CloudType;
-import com.minelittlepony.unicopia.forgebullshit.FUF;
 
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockStairs;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Material;
+import net.minecraft.block.StairsBlock;
+import net.minecraft.block.enums.BlockHalf;
 import net.minecraft.entity.Entity;
 import net.minecraft.item.Item;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.state.property.Properties;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Direction;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 
 public abstract class BlockCloudSlab<T extends Block & ICloudBlock> extends USlab<T> implements ICloudBlock {
@@ -30,19 +28,19 @@ public abstract class BlockCloudSlab<T extends Block & ICloudBlock> extends USla
 
     @SuppressWarnings("deprecation")
     @Override
-    public boolean isTopSolid(IBlockState state) {
+    public boolean isTopSolid(BlockState state) {
         return getCloudMaterialType(state) == CloudType.ENCHANTED && super.isTopSolid(state);
     }
 
     @SuppressWarnings("deprecation")
     @FUF(reason = "...Really?")
-    public boolean isSideSolid(IBlockState base_state, IBlockAccess world, BlockPos pos, EnumFacing side) {
+    public boolean isSideSolid(BlockState base_state, BlockAccess world, BlockPos pos, Direction side) {
         return getCloudMaterialType(base_state) == CloudType.ENCHANTED && super.isSideSolid(base_state, world, pos, side);
     }
 
     @Override
     @Deprecated
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
+    public void addCollisionBoxToList(BlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
         if (getCanInteract(state, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
         }
@@ -58,7 +56,7 @@ public abstract class BlockCloudSlab<T extends Block & ICloudBlock> extends USla
     }
 
     @Override
-    public CloudType getCloudMaterialType(IBlockState blockState) {
+    public CloudType getCloudMaterialType(BlockState blockState) {
         return modelBlock.getCloudMaterialType(blockState);
     }
 
@@ -78,32 +76,30 @@ public abstract class BlockCloudSlab<T extends Block & ICloudBlock> extends USla
         }
 
         @Override
-        public boolean doesSideBlockRendering(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing face) {
-
-            IBlockState beside = world.getBlockState(pos.offset(face));
+        public boolean isSideInvisible(BlockState state, BlockState beside, Direction face) {
 
             if (beside.getBlock() instanceof ICloudBlock) {
                 ICloudBlock cloud = ((ICloudBlock)beside.getBlock());
 
                 if (cloud.getCloudMaterialType(beside) == getCloudMaterialType(state)) {
 
-                    EnumBlockHalf half = state.getValue(HALF);
+                    BlockHalf half = state.get(HALF);
 
                     if (beside.getBlock() instanceof BlockCloudStairs) {
-                        return beside.getValue(BlockStairs.HALF).ordinal() == state.getValue(HALF).ordinal()
-                           && beside.getValue(BlockStairs.FACING) == face;
+                        return beside.get(StairsBlock.HALF).ordinal() == state.get(HALF).ordinal()
+                           && beside.get(Properties.FACING) == face;
                     }
 
-                    if (face == EnumFacing.DOWN) {
-                        return half == EnumBlockHalf.BOTTOM;
+                    if (face == Direction.DOWN) {
+                        return half == BlockHalf.BOTTOM;
                     }
 
-                    if (face == EnumFacing.UP) {
-                        return half == EnumBlockHalf.TOP;
+                    if (face == Direction.UP) {
+                        return half == BlockHalf.TOP;
                     }
 
                     if (beside.getBlock() == this) {
-                        return beside.getValue(HALF) == state.getValue(HALF);
+                        return beside.get(HALF) == state.get(HALF);
                     }
                 }
             }

src/main/java/com/minelittlepony/unicopia/block/BlockCloudStairs.java

@@ -13,7 +13,7 @@ import net.minecraft.block.state.BlockFaceShape;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
 import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
@@ -32,7 +32,7 @@ public class BlockCloudStairs extends UStairs implements ICloudBlock {
     }
 
     @Override
-    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
+    public void addCollisionBoxToList(IBlockState state, World worldIn, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean p_185477_7_) {
         if (getCanInteract(theState, entity)) {
             super.addCollisionBoxToList(state, worldIn, pos, entityBox, collidingBoxes, entity, p_185477_7_);
         }

src/main/java/com/minelittlepony/unicopia/block/BlockDiamondDoor.java

@@ -38,7 +38,7 @@ public class BlockDiamondDoor extends UDoor {
     @Override
     protected boolean onPowerStateChanged(World world, IBlockState state, BlockPos pos, boolean powered) {
         if (state.getValue(OPEN)) {
-            world.setBlockState(pos, state.withProperty(OPEN, false), 2);
+            world.setBlockState(pos, state.with(OPEN, false), 2);
 
             return true;
         }

src/main/java/com/minelittlepony/unicopia/block/BlockDirected.java

@@ -1,53 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import net.minecraft.block.BlockDirectional;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.Mirror;
-import net.minecraft.util.Rotation;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;
-
-public class BlockDirected extends BlockDirectional {
-
-    public BlockDirected(Material material, String domain, String name) {
-        super(material);
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setDefaultState(blockState.getBaseState().withProperty(FACING, EnumFacing.UP));
-    }
-
-    @Override
-    public IBlockState withRotation(IBlockState state, Rotation rot) {
-        return state.withProperty(FACING, rot.rotate(state.getValue(FACING)));
-    }
-
-    @Override
-    public IBlockState withMirror(IBlockState state, Mirror mirror) {
-        return state.withProperty(FACING, mirror.mirror(state.getValue(FACING)));
-    }
-
-    @Override
-    public IBlockState getStateForPlacement(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer) {
-        return getDefaultState().withProperty(FACING, facing);
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        return getDefaultState().withProperty(FACING, EnumFacing.byIndex(meta));
-    }
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        return state.getValue(FACING).getIndex();
-    }
-
-    @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, FACING);
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockDutchDoor.java

@@ -33,7 +33,7 @@ public class BlockDutchDoor extends UDoor {
 
         IBlockState upper = world.getBlockState(pos.up());
         if (upper.getBlock() == this && upper.getValue(OPEN) != powered) {
-            world.setBlockState(pos.up(), upper.withProperty(OPEN, powered));
+            world.setBlockState(pos.up(), upper.with(OPEN, powered));
 
             return true;
         }
@@ -52,14 +52,14 @@ public class BlockDutchDoor extends UDoor {
             IBlockState other = world.getBlockState(pos.up());
 
             if (other.getBlock() == this) {
-                return state.withProperty(HINGE, other.getValue(HINGE))
-                    .withProperty(POWERED, other.getValue(POWERED));
+                return state.with(HINGE, other.getValue(HINGE))
+                    .with(POWERED, other.getValue(POWERED));
             }
         } else {
             IBlockState other = world.getBlockState(pos.down());
 
             if (other.getBlock() == this) {
-                return state.withProperty(FACING, other.getValue(FACING));
+                return state.with(FACING, other.getValue(FACING));
             }
         }
 
@@ -72,15 +72,15 @@ public class BlockDutchDoor extends UDoor {
         boolean upper = (meta & 8) != 0;
 
         IBlockState state = getDefaultState()
-                .withProperty(HALF, upper ? EnumDoorHalf.UPPER : EnumDoorHalf.LOWER)
-                .withProperty(OPEN, (meta & 4) != 0);
+                .with(HALF, upper ? EnumDoorHalf.UPPER : EnumDoorHalf.LOWER)
+                .with(OPEN, (meta & 4) != 0);
 
         if (upper) {
-            return state.withProperty(POWERED, (meta & 1) != 0)
-                    .withProperty(HINGE, (meta & 2) != 0 ? EnumHingePosition.RIGHT : EnumHingePosition.LEFT);
+            return state.with(POWERED, (meta & 1) != 0)
+                    .with(HINGE, (meta & 2) != 0 ? EnumHingePosition.RIGHT : EnumHingePosition.LEFT);
         }
 
-        return state.withProperty(FACING, EnumFacing.byHorizontalIndex(meta & 3).rotateYCCW());
+        return state.with(FACING, EnumFacing.byHorizontalIndex(meta & 3).rotateYCCW());
     }
 
     @Override

src/main/java/com/minelittlepony/unicopia/block/BlockFruitLeaves.java

@@ -1,250 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-import java.util.function.Function;
-
-import javax.annotation.Nonnull;
-
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.BlockLeaves;
-import net.minecraft.block.BlockPlanks.EnumType;
-import net.minecraft.block.properties.PropertyBool;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.init.SoundEvents;
-import net.minecraft.item.EnumDyeColor;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemDye;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.BlockRenderLayer;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.NonNullList;
-import net.minecraft.util.SoundCategory;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-import net.minecraft.world.biome.Biome.TempCategory;
-
-public class BlockFruitLeaves extends BlockLeaves implements IColourful {
-
-    public static final PropertyBool HEAVY = PropertyBool.create("heavy");
-
-    private final Block sapling;
-
-    private boolean hardy;
-
-    private int baseGrowthChance;
-    private int customTint;
-
-    private Function<World, ItemStack> fruitProducer = w -> ItemStack.EMPTY;
-    private Function<World, ItemStack> compostProducer = w -> ItemStack.EMPTY;
-
-    public BlockFruitLeaves(String domain, String name, Block sapling) {
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setDefaultState(blockState.getBaseState()
-            .withProperty(HEAVY, false)
-            .withProperty(CHECK_DECAY, true)
-            .withProperty(DECAYABLE, true)
-        );
-
-        this.sapling = sapling;
-    }
-
-    public BlockFruitLeaves setHardy(boolean value) {
-        hardy = value;
-
-        return this;
-    }
-
-    public BlockFruitLeaves setHarvestFruit(@Nonnull Function<World, ItemStack> producer) {
-        fruitProducer = producer;
-
-        return this;
-    }
-
-    public BlockFruitLeaves setUnharvestFruit(@Nonnull Function<World, ItemStack> producer) {
-        compostProducer = producer;
-
-        return this;
-    }
-
-    public BlockFruitLeaves setBaseGrowthChance(int chance) {
-        baseGrowthChance = chance;
-
-        return this;
-    }
-
-    public BlockFruitLeaves setTint(int tint) {
-        customTint = tint;
-
-        return this;
-    }
-
-    @Override
-    public boolean isOpaqueCube(IBlockState state) {
-        return Blocks.LEAVES.getDefaultState().isOpaqueCube();
-    }
-
-    @Override
-    public BlockRenderLayer getRenderLayer() {
-        setGraphicsLevel(!Blocks.LEAVES.getDefaultState().isOpaqueCube());
-        return super.getRenderLayer();
-    }
-
-    @Deprecated
-    @Override
-    public boolean shouldSideBeRendered(IBlockState blockState, IBlockAccess blockAccess, BlockPos pos, EnumFacing side) {
-        setGraphicsLevel(!Blocks.LEAVES.getDefaultState().isOpaqueCube());
-        return super.shouldSideBeRendered(blockState, blockAccess, pos, side);
-    }
-
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        return Item.getItemFromBlock(sapling);
-    }
-
-    @Override
-    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
-        ItemStack stack = player.getHeldItem(hand);
-
-        if (PlayerSpeciesList.instance().getPlayer(player).getPlayerSpecies().canUseEarth()) {
-            if (stack.isEmpty()) {
-
-                if (state.getValue(HEAVY)) {
-                    dropApple(world, pos, state, 0);
-                    world.setBlockState(pos, state.withProperty(HEAVY, false));
-                }
-            } else if (stack.getItem() instanceof ItemDye && EnumDyeColor.byDyeDamage(stack.getMetadata()) == EnumDyeColor.WHITE) {
-                if (!state.getValue(HEAVY)) {
-                    world.setBlockState(pos, state.withProperty(HEAVY, true));
-
-                    if (!world.isRemote) {
-                        world.playEvent(2005, pos, 0);
-                    }
-
-                    if (!player.capabilities.isCreativeMode) {
-                        stack.shrink(1);
-                    }
-                }
-            }
-
-            return true;
-        }
-
-        return false;
-    }
-
-    @Override
-    public void updateTick(World world, BlockPos pos, IBlockState state, Random rand) {
-        if (!world.isRemote && world.isAreaLoaded(pos, 1)) {
-            if (state.getValue(DECAYABLE)) {
-                int growthChance = getGrowthChance(world, pos, state);
-
-                if (!state.getValue(HEAVY) && (growthChance <= 0 || rand.nextInt(growthChance) == 0)) {
-                    world.setBlockState(pos, state.withProperty(HEAVY, true));
-                } else {
-                    growthChance /= 10;
-
-                    if (state.getValue(HEAVY) && (growthChance <= 0 || rand.nextInt(growthChance) == 0)) {
-                        dropApple(world, pos, state, 0);
-                        world.setBlockState(pos, state.withProperty(HEAVY, false));
-                    } else {
-                        super.updateTick(world, pos, state, rand);
-                    }
-                }
-            }
-        }
-    }
-
-    protected int getGrowthChance(World world, BlockPos pos, IBlockState state) {
-        int chance = baseGrowthChance;
-
-        if (!hardy && !world.isDaytime()) {
-            chance *= 40;
-        }
-
-        if (world.getLight(pos) >= 4) {
-            chance /= 3;
-        }
-
-        TempCategory temp = world.getBiome(pos).getTempCategory();
-
-        if (!hardy && temp == TempCategory.COLD) {
-            chance *= 1000;
-        }
-
-        if (temp == TempCategory.WARM) {
-            chance /= 100;
-        }
-
-        if (temp == TempCategory.MEDIUM) {
-            chance /= 50;
-        }
-
-        return chance;
-    }
-
-    @Override
-    public int getCustomTint(IBlockState state, int tint) {
-        return customTint;
-    }
-
-    @Override
-    protected void dropApple(World world, BlockPos pos, IBlockState state, int chance) {
-        if (state.getValue(HEAVY)) {
-            Function<World, ItemStack> fruit = world.rand.nextInt(40) == 0 ? compostProducer : fruitProducer;
-            spawnAsEntity(world, pos, fruit.apply(world));
-
-            world.playSound(null, pos, SoundEvents.ENTITY_ITEMFRAME_PLACE, SoundCategory.BLOCKS, 0.3F, 1);
-        }
-    }
-
-    @Override
-    public NonNullList<ItemStack> onSheared(ItemStack item, net.minecraft.world.IBlockAccess world, BlockPos pos, int fortune) {
-        return NonNullList.withSize(1, new ItemStack(this, 1, 0));
-    }
-
-    @Override
-    public EnumType getWoodType(int meta) {
-        return EnumType.OAK;
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        return getDefaultState()
-                .withProperty(HEAVY, (meta & 1) != 0)
-                .withProperty(DECAYABLE, (meta & 2) != 0)
-                .withProperty(CHECK_DECAY, (meta & 4) != 0);
-    }
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        int i = 0;
-
-        if (state.getValue(HEAVY)) {
-            i |= 1;
-        }
-
-        if (!state.getValue(DECAYABLE)) {
-            i |= 2;
-        }
-
-        if (state.getValue(CHECK_DECAY)) {
-            i |= 4;
-        }
-
-        return i;
-    }
-
-    @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, HEAVY, CHECK_DECAY, DECAYABLE);
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockGlowingGem.java

@@ -1,223 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-
-import com.minelittlepony.unicopia.CloudType;
-import com.minelittlepony.unicopia.init.UItems;
-import com.minelittlepony.unicopia.init.UParticles;
-import com.minelittlepony.unicopia.particle.Particles;
-
-import net.minecraft.block.BlockTorch;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.properties.PropertyBool;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Items;
-import net.minecraft.init.SoundEvents;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.EnumParticleTypes;
-import net.minecraft.util.NonNullList;
-import net.minecraft.util.SoundCategory;
-import net.minecraft.util.math.AxisAlignedBB;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-
-public class BlockGlowingGem extends BlockTorch implements ICloudBlock {
-
-    public static PropertyBool ON = PropertyBool.create("on");
-
-    private static final double A = 5/16D;
-    private static final double B = 6/16D;
-
-    private static final double C = 10/16D;
-
-    // tiltedOffWall
-    private static final double F = 10/16D;
-
-    // tiltedMinY
-    private static final double E = 3/16D;
-
-    protected static final AxisAlignedBB STANDING_AABB = new AxisAlignedBB(
-            7/16D, 0, 7/16D,
-            9/16D, 1, 9/16D
-    );
-    protected static final AxisAlignedBB TORCH_NORTH_AABB = new AxisAlignedBB(
-            B, E, F,
-            C, 1, 1
-    );
-    protected static final AxisAlignedBB TORCH_SOUTH_AABB = new AxisAlignedBB(
-            B, E, 0,
-            C, 1, A
-    );
-    protected static final AxisAlignedBB TORCH_WEST_AABB = new AxisAlignedBB(
-            F, E, B,
-            1, 1, C
-    );
-    protected static final AxisAlignedBB TORCH_EAST_AABB = new AxisAlignedBB(
-            0, E, B,
-            A, 1, C
-    );
-
-    public BlockGlowingGem(String domain, String name) {
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setHardness(0);
-        setLightLevel(1);
-        setSoundType(SoundType.GLASS);
-        setTickRandomly(true);
-
-        setDefaultState(blockState.getBaseState()
-                .withProperty(FACING, EnumFacing.UP)
-                .withProperty(ON, true)
-        );
-    }
-
-    @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
-
-        switch (state.getValue(FACING)) {
-            case EAST: return TORCH_EAST_AABB;
-            case WEST: return TORCH_WEST_AABB;
-            case SOUTH: return TORCH_SOUTH_AABB;
-            case NORTH: return TORCH_NORTH_AABB;
-            default: return STANDING_AABB;
-        }
-    }
-
-    @Override
-    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
-
-        if (!state.getValue(ON)) {
-            ItemStack held = player.getHeldItem(hand);
-            if (!held.isEmpty() && (held.getItem() == Items.FLINT_AND_STEEL || held.getItem() == Items.FIRE_CHARGE)) {
-
-                world.playSound(null, pos, SoundEvents.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.rand.nextFloat() - world.rand.nextFloat()) * 0.8F);
-                world.setBlockState(pos, state.withProperty(ON, true));
-
-                if (held.getItem() == Items.FLINT_AND_STEEL) {
-                    held.damageItem(1, player);
-                } else if (!player.capabilities.isCreativeMode) {
-                    held.shrink(1);
-                }
-            }
-
-            return true;
-        }
-
-        return false;
-    }
-
-    @Override
-    public void randomDisplayTick(IBlockState state, World world, BlockPos pos, Random rand) {
-        EnumFacing facing = state.getValue(FACING);
-
-        double x = pos.getX() + 0.5;
-        double y = pos.getY() + 1;
-        double z = pos.getZ() + 0.5;
-
-        double drop = 0.22D;
-        double variance = 0.27D;
-
-        if (facing.getAxis().isHorizontal()) {
-            facing = facing.getOpposite();
-
-            x += variance * facing.getXOffset();
-            y += drop;
-            z += variance * facing.getZOffset();
-        }
-
-        if (state.getValue(ON)) {
-            for (int i = 0; i < 3; i++) {
-                Particles.instance().spawnParticle(UParticles.UNICORN_MAGIC, false,
-                        x - 0.3, y - 0.3, z - 0.3,
-                        rand.nextFloat(), rand.nextFloat(), rand.nextFloat());
-            }
-        } else {
-            world.spawnParticle(EnumParticleTypes.SMOKE_NORMAL, x, y, z, 0, 0, 0);
-        }
-    }
-
-    @Override
-    public void updateTick(World world, BlockPos pos, IBlockState state, Random rand) {
-        if (world.isRainingAt(pos)) {
-            if (state.getValue(ON)) {
-                world.playSound(null, pos, SoundEvents.BLOCK_REDSTONE_TORCH_BURNOUT, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.rand.nextFloat() - world.rand.nextFloat()) * 0.8F);
-                world.setBlockState(pos, state.withProperty(ON, false));
-            }
-        } else {
-            if (!state.getValue(ON)) {
-                world.playSound(null, pos, SoundEvents.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.rand.nextFloat() - world.rand.nextFloat()) * 0.8F);
-                world.setBlockState(pos, state.withProperty(ON, true));
-            }
-        }
-    }
-
-    @Override
-    public int getStrongPower(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing side) {
-        return state.getValue(ON) && side == EnumFacing.DOWN ? state.getWeakPower(world, pos, side) : 0;
-    }
-
-    @Override
-    public int getWeakPower(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing side) {
-        return state.getValue(ON) && state.getValue(FACING) != side ? 12 : 0;
-    }
-
-    @Override
-    public CloudType getCloudMaterialType(IBlockState blockState) {
-        return CloudType.ENCHANTED;
-    }
-
-    @Override
-    public void getDrops(NonNullList<ItemStack> drops, IBlockAccess world, BlockPos pos, IBlockState state, int fortune) {
-        drops.add(new ItemStack(Items.STICK));
-
-        Random rand = world instanceof World ? ((World)world).rand : RANDOM;
-
-        if (rand.nextInt(10) == 0) {
-            drops.add(new ItemStack(UItems.spell));
-        } else {
-            drops.add(new ItemStack(UItems.curse));
-        }
-    }
-
-    @Override
-    @Deprecated
-    public int getLightValue(IBlockState state) {
-        if (state.getValue(ON)) {
-            return super.getLightValue(state);
-        }
-
-        return 0;
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        IBlockState iblockstate = this.getDefaultState();
-
-        int facing = (meta % 5) + 1;
-
-        return iblockstate
-                .withProperty(FACING, EnumFacing.byIndex(facing))
-                .withProperty(ON, meta > 5);
-    }
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        int meta = Math.max(0, state.getValue(FACING).getIndex() - 1);
-        if (state.getValue(ON)) {
-            meta += EnumFacing.VALUES.length;
-        }
-
-        return meta;
-    }
-
-    @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, FACING, ON);
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockGrowingCuccoon.java

@@ -6,56 +6,47 @@ import java.util.Random;
 import javax.annotation.Nullable;
 
 import com.minelittlepony.unicopia.Predicates;
-import com.minelittlepony.unicopia.init.UBlocks;
-import com.minelittlepony.unicopia.init.UMaterials;
-import com.minelittlepony.unicopia.init.USounds;
+import com.minelittlepony.unicopia.UBlocks;
+import com.minelittlepony.unicopia.UMaterials;
+import com.minelittlepony.unicopia.USounds;
+import com.minelittlepony.util.MagicalDamageSource;
 import com.minelittlepony.util.PosHelper;
 
 import net.minecraft.block.Block;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.properties.PropertyEnum;
-import net.minecraft.block.properties.PropertyInteger;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.block.BlockState;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Items;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
-import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.nbt.NBTUtil;
-import net.minecraft.util.BlockRenderLayer;
-import net.minecraft.util.DamageSource;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumParticleTypes;
-import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.SoundCategory;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.particle.ParticleTypes;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.state.property.IntProperty;
+import net.minecraft.util.StringIdentifiable;
+import net.minecraft.util.math.Box;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 
 public class BlockGrowingCuccoon extends Block {
 
-    public static final DamageSource DAMAGE_SOURCE = new DamageSource("acid");
+    public static final DamageSource DAMAGE_SOURCE = MagicalDamageSource.mundane("acid");
 
-    public static final PropertyInteger AGE = PropertyInteger.create("age", 0, 7);
-    public static final PropertyEnum<Shape> SHAPE = PropertyEnum.create("shape", Shape.class);
+    public static final IntProperty AGE = IntProperty.of("age", 0, 7);
+    public static final EnumProperty<Shape> SHAPE = EnumProperty.of("shape", Shape.class);
 
-    public static final AxisAlignedBB[] SHAFTS = new AxisAlignedBB[] {
-            new AxisAlignedBB(7/16F, 0, 7/16F, 9/16F, 1, 7/16F),
-            new AxisAlignedBB(6/16F, 0, 6/16F, 10/16F, 1, 10/16F),
-            new AxisAlignedBB(5/16F, 0, 5/16F, 11/16F, 1, 11/16F),
-            new AxisAlignedBB(4/16F, 0, 4/16F, 12/16F, 1, 12/16F)
+    public static final Box[] SHAFTS = new Box[] {
+            new Box(7/16F, 0, 7/16F, 9/16F, 1, 7/16F),
+            new Box(6/16F, 0, 6/16F, 10/16F, 1, 10/16F),
+            new Box(5/16F, 0, 5/16F, 11/16F, 1, 11/16F),
+            new Box(4/16F, 0, 4/16F, 12/16F, 1, 12/16F)
     };
-    public static final AxisAlignedBB[] BULBS = new AxisAlignedBB[] {
-            new AxisAlignedBB(6/16F, 1/16F, 6/16F, 10/16F, 8/16F, 10/16F),
-            new AxisAlignedBB(4/16F, 0, 4/16F, 12/16F, 9/16F, 12/16F),
-            new AxisAlignedBB(3/16F, 0, 3/16F, 13/16F, 10/16F, 13/16F),
-            new AxisAlignedBB(2/16F, 0, 2/16F, 14/16F, 12/16F, 14/16F),
+    public static final Box[] BULBS = new Box[] {
+            new Box(6/16F, 1/16F, 6/16F, 10/16F, 8/16F, 10/16F),
+            new Box(4/16F, 0, 4/16F, 12/16F, 9/16F, 12/16F),
+            new Box(3/16F, 0, 3/16F, 13/16F, 10/16F, 13/16F),
+            new Box(2/16F, 0, 2/16F, 14/16F, 12/16F, 14/16F),
     };
 
     public BlockGrowingCuccoon(String domain, String name) {
@@ -74,8 +65,8 @@ public class BlockGrowingCuccoon extends Block {
         useNeighborBrightness = true;
 
         setDefaultState(getBlockState().getBaseState()
-                .withProperty(AGE, 0)
-                .withProperty(SHAPE, Shape.BULB));
+                .with(AGE, 0)
+                .with(SHAPE, Shape.BULB));
     }
 
     @Override
@@ -106,7 +97,7 @@ public class BlockGrowingCuccoon extends Block {
 
     @Deprecated
     @Override
-    public AxisAlignedBB getCollisionBoundingBox(IBlockState state, IBlockAccess world, BlockPos pos) {
+    public Box getCollisionBoundingBox(IBlockState state, IBlockAccess world, BlockPos pos) {
         return getBoundingBox(state, world, pos);
     }
 
@@ -122,23 +113,23 @@ public class BlockGrowingCuccoon extends Block {
             return;
         }
 
-        int age = state.getValue(AGE);
+        int age = state.get(AGE);
 
         BlockPos below = pos.down();
 
         if (world.isBlockLoaded(below)) {
             boolean spaceBelow = world.isAirBlock(below);
 
-            Shape shape = state.getValue(SHAPE);
+            Shape shape = state.get(SHAPE);
 
             if (shape == Shape.STRING && spaceBelow) {
-                world.setBlockState(pos, state.withProperty(SHAPE, Shape.BULB).withProperty(AGE, age / 2));
+                world.setBlockState(pos, state.with(SHAPE, Shape.BULB).with(AGE, age / 2));
             } else if (shape == Shape.BULB && !spaceBelow) {
-                world.setBlockState(pos, state.withProperty(SHAPE, Shape.STRING).withProperty(AGE, age / 2));
+                world.setBlockState(pos, state.with(SHAPE, Shape.STRING).with(AGE, age / 2));
             } else if (age >= 7) {
                 if (rand.nextInt(12) == 0 && spaceBelow) {
-                    world.setBlockState(below, state.withProperty(AGE, age / 2));
-                    world.setBlockState(pos, getDefaultState().withProperty(AGE, age / 2).withProperty(SHAPE, Shape.STRING));
+                    world.setBlockState(below, state.with(AGE, age / 2));
+                    world.setBlockState(pos, getDefaultState().with(AGE, age / 2).with(SHAPE, Shape.STRING));
                     world.playSound(null, pos, USounds.SLIME_ADVANCE, SoundCategory.BLOCKS, 1, 1);
                 }
             } else {
@@ -163,14 +154,14 @@ public class BlockGrowingCuccoon extends Block {
     }
 
     protected int getMaximumAge(World world, BlockPos pos, IBlockState state, boolean spaceBelow) {
-        if (state.getValue(SHAPE) == Shape.STRING) {
+        if (state.get(SHAPE) == Shape.STRING) {
             IBlockState higher = world.getBlockState(pos.up());
 
             if (higher.getBlock() != this) {
                 return 7;
             }
 
-            return Math.min(higher.getValue(AGE),
+            return Math.min(higher.get(AGE),
                     ((BlockGrowingCuccoon)higher.getBlock()).getMaximumAge(world, pos.up(), higher, false) - 1
                 );
         }
@@ -184,7 +175,7 @@ public class BlockGrowingCuccoon extends Block {
 
     @Override
     public int quantityDropped(IBlockState state, int fortune, Random random) {
-        return random.nextInt(3) == 0 ? state.getValue(AGE) : 0;
+        return random.nextInt(3) == 0 ? state.get(AGE) : 0;
     }
 
     @Override
@@ -217,14 +208,14 @@ public class BlockGrowingCuccoon extends Block {
 
     @Override
     public void onEntityCollision(World world, BlockPos pos, IBlockState state, Entity entity) {
-        if (entity instanceof EntityLivingBase && !entity.isDead) {
-            EntityLivingBase living = (EntityLivingBase)entity;
+        if (entity instanceof LivingEntity && !entity.isDead) {
+            LivingEntity living = (LivingEntity)entity;
 
             if (!Predicates.BUGGY.test(living) && living.getHealth() > 0) {
                 living.attackEntityFrom(DAMAGE_SOURCE, 1);
                 living.setInWeb();
 
-                if (!world.isRemote) {
+                if (!world.isClient) {
                     if (living.getHealth() <= 0) {
                         living.dropItem(Items.BONE, 3);
 
@@ -274,44 +265,32 @@ public class BlockGrowingCuccoon extends Block {
 
     @Deprecated
     @Override
-    public void addCollisionBoxToList(IBlockState state, World world, BlockPos pos, AxisAlignedBB entityBox, List<AxisAlignedBB> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
+    public void addCollisionBoxToList(IBlockState state, World world, BlockPos pos, Box entityBox, List<Box> collidingBoxes, @Nullable Entity entity, boolean isActualState) {
         if (!isActualState) {
             state = state.getActualState(world, pos);
         }
 
-        int age = state.getValue(AGE) / 2;
+        int age = state.get(AGE) / 2;
 
         Vec3d offset = state.getOffset(world, pos);
 
         addCollisionBoxToList(pos, entityBox, collidingBoxes, SHAFTS[age % SHAFTS.length].offset(offset));
 
-        if (state.getValue(SHAPE) == Shape.BULB) {
+        if (state.get(SHAPE) == Shape.BULB) {
             addCollisionBoxToList(pos, entityBox, collidingBoxes, BULBS[age % BULBS.length].offset(offset));
         }
     }
 
     @Deprecated
     @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
+    public Box getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
         state = state.getActualState(source, pos);
 
-        if (state.getValue(SHAPE) == Shape.BULB) {
-            return BULBS[state.getValue(AGE) / 2].offset(state.getOffset(source, pos));
+        if (state.get(SHAPE) == Shape.BULB) {
+            return BULBS[state.get(AGE) / 2].offset(state.getOffset(source, pos));
         }
 
-        return SHAFTS[state.getValue(AGE) / 2].offset(state.getOffset(source, pos));
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        return getDefaultState()
-                .withProperty(AGE, meta % 8)
-                .withProperty(SHAPE, Shape.VALUES[(meta >> 3) % Shape.VALUES.length]);
-    }
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        return state.getValue(AGE) | (state.getValue(SHAPE).ordinal() << 3);
+        return SHAFTS[state.get(AGE) / 2].offset(state.getOffset(source, pos));
     }
 
     @Override
@@ -320,28 +299,29 @@ public class BlockGrowingCuccoon extends Block {
     }
 
     @Override
-    public boolean isLadder(IBlockState state, IBlockAccess world, BlockPos pos, EntityLivingBase entity) {
+    public boolean isLadder(BlockState state, BlockView world, BlockPos pos, LivingEntity entity) {
         return true;
     }
 
-    public void randomDisplayTick(IBlockState state, World world, BlockPos pos, Random rand) {
-        if (state.getValue(SHAPE) == Shape.BULB) {
+    @Override
+    public void randomDisplayTick(BlockState state, World world, BlockPos pos, Random rand) {
+        if (state.get(SHAPE) == Shape.BULB) {
             if (rand.nextInt(8) == 0) {
 
-                AxisAlignedBB bounds = BULBS[state.getValue(AGE) / 2]
+                Box bounds = BULBS[state.get(AGE) / 2]
                         .offset(pos)
-                        .offset(state.getOffset(world, pos));
+                        .offset(state.getOffsetPos(world, pos));
 
                 double x = bounds.minX + (bounds.maxX - bounds.minX) * rand.nextFloat();
                 double y = bounds.minY;
                 double z = bounds.minZ + (bounds.maxZ - bounds.minZ) * rand.nextFloat();
 
-                world.spawnParticle(EnumParticleTypes.DRIP_LAVA, x, y, z, 0, 0, 0);
+                world.addParticle(ParticleTypes.DRIPPING_LAVA, x, y, z, 0, 0, 0);
             }
         }
     }
 
-    static enum Shape implements IStringSerializable {
+    enum Shape implements StringIdentifiable {
         BULB,
         STRING;
 
@@ -349,11 +329,11 @@ public class BlockGrowingCuccoon extends Block {
 
         @Override
         public String toString() {
-            return getName();
+            return asString();
         }
 
         @Override
-        public String getName() {
+        public String asString() {
             return name().toLowerCase();
         }
 

src/main/java/com/minelittlepony/unicopia/block/BlockHiveWall.java

@@ -1,374 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Map;
-import java.util.Random;
-
-import com.google.common.collect.Maps;
-import com.minelittlepony.unicopia.Race;
-import com.minelittlepony.unicopia.init.UBlocks;
-import com.minelittlepony.unicopia.init.UMaterials;
-import com.minelittlepony.unicopia.init.USounds;
-import com.minelittlepony.unicopia.player.IPlayer;
-import com.minelittlepony.unicopia.player.PlayerSpeciesList;
-import com.minelittlepony.util.PosHelper;
-import com.minelittlepony.util.shape.IShape;
-import com.minelittlepony.util.shape.Sphere;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.properties.PropertyEnum;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
-import net.minecraft.entity.Entity;
-import net.minecraft.entity.EntityLivingBase;
-import net.minecraft.entity.item.EntityFallingBlock;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.EnumParticleTypes;
-import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.SoundCategory;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.World;
-
-public class BlockHiveWall extends BlockFalling {
-
-    public static final PropertyEnum<State> STATE = PropertyEnum.create("state", State.class);
-    public static final PropertyEnum<Axis> AXIS = PropertyEnum.create("axis", Axis.class);
-
-    private static final IShape shape = new Sphere(false, 1.5);
-
-    public BlockHiveWall(String domain, String name) {
-        super(UMaterials.hive);
-
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
-        setDefaultState(blockState.getBaseState().withProperty(STATE, State.GROWING).withProperty(AXIS, Axis.Y));
-        setHardness(2);
-        setSoundType(SoundType.SAND);
-        setHarvestLevel("pickaxe", 1);
-        setResistance(10);
-    }
-
-    @Override
-    public void updateTick(World world, BlockPos pos, IBlockState state, Random rand) {
-
-        if (rand.nextInt(300) == 0) {
-            world.playSound(null, pos, USounds.INSECT, SoundCategory.BLOCKS, 1, 1);
-        }
-
-        State type = getState(state);
-
-        Axis axis = getAxis(state);
-
-        int matchedNeighbours = countNeighbours(world, pos);
-
-        if (type == State.GROWING) {
-            if (testForAxis(world, pos, axis)) {
-                world.setBlockState(pos, state.withProperty(STATE, State.STABLE));
-            } else {
-                Axis newAxis = axis;
-
-                for (Axis i : Axis.VALUES) {
-                    if (testForAxis(world, pos, i)) {
-                        newAxis = i;
-                        break;
-                    }
-                }
-
-                if (newAxis != axis) {
-                    world.setBlockState(pos, state.withProperty(AXIS, newAxis).withProperty(STATE, State.STABLE));
-                } else if (rand.nextInt(10) == 0) {
-                    EnumFacing facing = axis.randomFacing(rand);
-
-                    BlockPos other = pos.offset(facing);
-
-                    if (canSpreadInto(world, other, axis)) {
-                        world.playSound(null, pos, USounds.SLIME_RETRACT, SoundCategory.BLOCKS, 1, 1);
-                        world.setBlockState(other, state);
-                        world.setBlockState(pos, state.withProperty(STATE, State.STABLE));
-                    }
-                }
-            }
-        } else if (type == State.DYING) {
-            if (matchedNeighbours > 1 && matchedNeighbours < 17) {
-                world.setBlockState(pos, state.withProperty(STATE, State.STABLE));
-            } else {
-                die(world, pos, rand);
-            }
-        } else {
-
-            if (pos.getX() % 3 == 0 && pos.getZ() % 4 == 0 && isEmptySpace(world, pos.down()) && UBlocks.cuccoon.canPlaceBlockAt(world, pos.down())) {
-                world.setBlockState(pos.down(), UBlocks.cuccoon.getDefaultState());
-            } else if (!testForAxis(world, pos, axis)) {
-                world.setBlockState(pos, state.withProperty(STATE, State.GROWING));
-            } else if (matchedNeighbours >= 27) {
-                world.setBlockState(pos, state.withProperty(STATE, State.DYING));
-            } else {
-                return;
-            }
-        }
-
-        world.scheduleUpdate(pos, this, tickRate(world));
-    }
-
-    public State getState(IBlockState state) {
-        return state.getValue(STATE);
-    }
-
-    public Axis getAxis(IBlockState state) {
-        return state.getValue(AXIS);
-    }
-
-    @Override
-    public void onBlockAdded(World world, BlockPos pos, IBlockState state) {
-        if (state.getValue(STATE) != State.STABLE) {
-            world.scheduleUpdate(pos, this, 10);
-        }
-    }
-
-    protected boolean testForAxis(World world, BlockPos pos, Axis axis) {
-        return !PosHelper.some(pos, p -> isEmptySpace(world, p), axis.getFacings());
-    }
-
-    protected boolean isEmptySpace(World world, BlockPos pos) {
-
-        if (world.isAirBlock(pos)) {
-            return true;
-        }
-
-        IBlockState state = world.getBlockState(pos);
-
-        return !(state.getMaterial().isLiquid()
-                || state.isBlockNormalCube()
-                || state.isNormalCube()
-                || state.isFullCube()
-                || state.isOpaqueCube());
-    }
-
-    protected void die(World world, BlockPos pos, Random rand) {
-        world.destroyBlock(pos, false);
-
-        PosHelper.all(pos, p -> {
-            IBlockState s = world.getBlockState(p);
-
-            if (s.getBlock() == this) {
-                notifyDying(world, p, s, rand);
-            }
-        }, EnumFacing.VALUES);
-    }
-
-    protected void notifyDying(World world, BlockPos pos, IBlockState state, Random rand) {
-        State oldState = state.getValue(STATE);
-        State newState = oldState.downGrade();
-
-        if (newState != oldState) {
-            world.setBlockState(pos, state.withProperty(STATE, newState));
-        }
-    }
-
-    @Override
-    public void onEntityWalk(World world, BlockPos pos, Entity entity) {
-        if (entity instanceof EntityPlayer) {
-            IPlayer player = PlayerSpeciesList.instance().getPlayer((EntityPlayer)entity);
-
-            IBlockState state = world.getBlockState(pos);
-
-            if (player.getPlayerSpecies() != Race.CHANGELING) {
-                if (!world.isRemote) {
-                    if (((isEmptySpace(world, pos.down()) || canFallThrough(world.getBlockState(pos.down()))) && pos.getY() >= 0)) {
-                        EntityFallingBlock faller = new EntityFallingBlock(world, pos.getX() + 0.5D, pos.getY(), pos.getZ() + 0.5D, state);
-                        onStartFalling(faller);
-                        world.spawnEntity(faller);
-                    }
-                }
-            }
-        }
-    }
-
-    @Override
-    public void onEndFalling(World world, BlockPos pos, IBlockState fallingState, IBlockState hitState) {
-        world.destroyBlock(pos, true);
-    }
-
-    @Override
-    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
-
-        if (hand == EnumHand.MAIN_HAND && playerIn.getHeldItem(hand).isEmpty()) {
-            IPlayer player = PlayerSpeciesList.instance().getPlayer(playerIn);
-
-            if (player.getPlayerSpecies() == Race.CHANGELING) {
-                retreat(world, pos);
-
-                PosHelper.adjacentNeighbours(pos).forEach(p -> {
-                    if (world.getBlockState(p).getBlock() == this) {
-                        retreat(world, p);
-                    }
-                });
-
-                return true;
-            }
-        }
-
-        return false;
-    }
-
-    @Override
-    public IBlockState getStateForPlacement(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer, EnumHand hand) {
-        return getDefaultState().withProperty(AXIS, Axis.fromVanilla(facing.getAxis()));
-    }
-
-    @Override
-    public void randomDisplayTick(IBlockState state, World world, BlockPos pos, Random rand) {
-        if (rand.nextInt(16) == 0) {
-            Vec3d vel = shape.computePoint(rand);
-            Vec3d vec = vel.add(pos.getX(), pos.getY(), pos.getZ());
-
-            world.spawnParticle(EnumParticleTypes.BLOCK_DUST,
-                    vec.x, vec.y, vec.z,
-                    vel.x, vel.y, vel.z,
-                    Block.getStateId(state));
-        }
-    }
-
-    public void retreat(World world, BlockPos pos) {
-        world.setBlockState(pos, Blocks.AIR.getDefaultState());
-        world.playSound(null, pos, USounds.SLIME_RETRACT, SoundCategory.BLOCKS, 1, 1);
-    }
-
-    protected int countNeighbours(World world, BlockPos pos) {
-        int count = 0;
-        for (BlockPos i : BlockPos.getAllInBoxMutable(pos.add(-1, -1, -1), pos.add(1, 1, 1))) {
-            if (world.getBlockState(i).getBlock() == this) {
-                count++;
-            }
-        }
-
-        return count;
-    }
-
-    protected boolean exposed(World world, BlockPos pos) {
-        return PosHelper.some(pos, p -> isEmptySpace(world, p), EnumFacing.VALUES);
-    }
-
-    protected boolean canSpreadInto(World world, BlockPos pos, Axis axis) {
-        if (world.isBlockLoaded(pos) && isEmptySpace(world, pos)) {
-            boolean one = false;
-
-            for (EnumFacing facing : axis.getFacings()) {
-                BlockPos op = pos.offset(facing);
-
-                if (world.getBlockState(op).getMaterial() == UMaterials.hive) {
-                    if (one) {
-                        return true;
-                    }
-
-                    one = true;
-                }
-            }
-
-        }
-
-        return false;
-    }
-
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        return getDefaultState()
-                .withProperty(STATE, State.VALUES[meta % State.VALUES.length])
-                .withProperty(AXIS, Axis.VALUES[(meta << 2) % Axis.VALUES.length]);
-    }
-
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        return getState(state).ordinal() | (getAxis(state).ordinal() >> 2);
-    }
-
-    @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, STATE, AXIS);
-    }
-
-    public static enum State implements IStringSerializable {
-        GROWING,
-        STABLE,
-        DYING;
-
-        static final State[] VALUES = values();
-
-        @Override
-        public String toString() {
-            return getName();
-        }
-
-        @Override
-        public String getName() {
-            return name().toLowerCase();
-        }
-
-        public State upgrade() {
-            switch (this) {
-                case DYING: return STABLE;
-                default: return GROWING;
-            }
-        }
-
-        public State downGrade() {
-            switch (this) {
-                case GROWING: return STABLE;
-                default: return DYING;
-            }
-        }
-    }
-
-    public static enum Axis implements IStringSerializable {
-        X(EnumFacing.Axis.X, EnumFacing.EAST, EnumFacing.WEST, EnumFacing.UP, EnumFacing.DOWN),
-        Y(EnumFacing.Axis.Y, EnumFacing.EAST, EnumFacing.WEST, EnumFacing.NORTH, EnumFacing.SOUTH),
-        Z(EnumFacing.Axis.Z, EnumFacing.NORTH, EnumFacing.SOUTH, EnumFacing.UP, EnumFacing.DOWN);
-
-        static final Axis[] VALUES = values();
-        static final Map<EnumFacing.Axis, Axis> AXIS_MAP = Maps.newEnumMap(EnumFacing.Axis.class);
-
-        private final EnumFacing.Axis vanilla;
-        private final EnumFacing[] facings;
-
-        static {
-            for (Axis i : VALUES) {
-                AXIS_MAP.put(i.vanilla, i);
-            }
-        }
-
-        Axis(EnumFacing.Axis vanilla, EnumFacing... facings) {
-            this.vanilla = vanilla;
-            this.facings = facings;
-        }
-
-        @Override
-        public String toString() {
-            return getName();
-        }
-
-        @Override
-        public String getName() {
-            return name().toLowerCase();
-        }
-
-        public EnumFacing randomFacing(Random rand) {
-            return facings[rand.nextInt(facings.length)];
-        }
-
-        public EnumFacing[] getFacings() {
-            return facings;
-        }
-
-        public static Axis fromVanilla(EnumFacing.Axis axis) {
-            return AXIS_MAP.get(axis);
-        }
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockSlimeLayer.java

@@ -1,68 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-
-import net.minecraft.block.BlockSnow;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.material.MapColor;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
-import net.minecraft.entity.Entity;
-import net.minecraft.init.Items;
-import net.minecraft.item.Item;
-import net.minecraft.util.BlockRenderLayer;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-
-public class BlockSlimeLayer extends BlockSnow {
-
-    public BlockSlimeLayer(String domain, String name) {
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setSoundType(SoundType.SLIME);
-        setCreativeTab(CreativeTabs.DECORATIONS);
-    }
-
-    @Override
-    public BlockRenderLayer getRenderLayer() {
-        return BlockRenderLayer.TRANSLUCENT;
-    }
-
-    @Deprecated
-    public Material getMaterial(IBlockState state) {
-        return Material.CLAY;
-    }
-
-    @Override
-    public MapColor getMapColor(IBlockState state, IBlockAccess world, BlockPos pos) {
-        return MapColor.GRASS;
-    }
-
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        return Items.SLIME_BALL;
-    }
-
-    @Deprecated
-    @Override
-    public boolean isOpaqueCube(IBlockState state) {
-        return false;
-    }
-
-    @Override
-    public void onEntityWalk(World world, BlockPos pos, Entity entity) {
-
-        float factor = getMotionFactor(world.getBlockState(pos));
-
-        entity.motionX *= factor;
-        entity.motionY *= factor;
-        entity.motionZ *= factor;
-    }
-
-    protected float getMotionFactor(IBlockState state) {
-        return 1/state.getValue(LAYERS);
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockStick.java

@@ -1,106 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-
-import net.minecraft.block.Block;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Items;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemLead;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.math.AxisAlignedBB;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
-import net.minecraft.world.World;
-import net.minecraftforge.common.EnumPlantType;
-import net.minecraftforge.common.IPlantable;
-
-public class BlockStick extends Block implements IPlantable {
-
-    static final AxisAlignedBB BOUNDING_BOX = new AxisAlignedBB(
-            7/16F, -1/16F, 7/16F,
-            9/16F, 15/16F, 9/16F
-    );
-
-    public BlockStick(String domain, String name) {
-        super(Material.PLANTS);
-
-        setRegistryName(domain, name);
-        setTranslationKey(name);
-        setHardness(0.2F);
-        setSoundType(SoundType.WOOD);
-    }
-
-    @Override
-    public boolean isOpaqueCube(IBlockState state) {
-        return false;
-    }
-
-    @Deprecated
-    @Override
-    public boolean isFullCube(IBlockState state) {
-        return false;
-    }
-
-    @Deprecated
-    @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
-        return BOUNDING_BOX.offset(state.getOffset(source, pos));
-    }
-
-    @Deprecated
-    @Override
-    public AxisAlignedBB getCollisionBoundingBox(IBlockState state, IBlockAccess world, BlockPos pos) {
-        return state.getBoundingBox(world, pos);
-    }
-
-    @Override
-    public EnumOffsetType getOffsetType() {
-        return EnumOffsetType.XZ;
-    }
-
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        return Items.STICK;
-    }
-
-    @Override
-    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, EnumFacing facing, float x, float y, float z) {
-        if (!world.isRemote) {
-            return ItemLead.attachToFence(player, world, pos);
-        }
-
-        ItemStack stack = player.getHeldItem(hand);
-
-        return stack.getItem() == Items.LEAD || stack.isEmpty();
-    }
-
-    public boolean canSustainPlant(IBlockAccess world, BlockPos pos, IPlantable plantable) {
-
-        pos = pos.down();
-
-        IBlockState state = world.getBlockState(pos);
-        Block block = state.getBlock();
-
-        if (block instanceof BlockStick) {
-            return ((BlockStick)block).canSustainPlant(world, pos, plantable);
-        }
-
-        return block.canSustainPlant(state, world, pos, EnumFacing.UP, plantable);
-    }
-
-    @Override
-    public EnumPlantType getPlantType(IBlockAccess world, BlockPos pos) {
-        return EnumPlantType.Crop;
-    }
-
-    @Override
-    public IBlockState getPlant(IBlockAccess world, BlockPos pos) {
-        return getDefaultState();
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockSugar.java

@@ -1,34 +0,0 @@
-package com.minelittlepony.unicopia.block;
-
-import java.util.Random;
-
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.material.Material;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.creativetab.CreativeTabs;
-import net.minecraft.init.Items;
-import net.minecraft.item.Item;
-
-public class BlockSugar extends BlockFalling {
-
-    public BlockSugar(String domain, String name) {
-        super(Material.SAND);
-        setTranslationKey(name);
-        setRegistryName(domain, name);
-
-        setSoundType(SoundType.SAND);
-        setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
-        setHardness(0.7F);
-    }
-
-    @Override
-    public int quantityDropped(Random random) {
-        return 9;
-    }
-
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-        return Items.SUGAR;
-    }
-}

src/main/java/com/minelittlepony/unicopia/block/BlockTomatoPlant.java

@@ -2,68 +2,61 @@ package com.minelittlepony.unicopia.block;
 
 import java.util.Random;
 
-import com.minelittlepony.unicopia.init.UItems;
+import com.minelittlepony.unicopia.UItems;
 
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockCrops;
-import net.minecraft.block.SoundType;
-import net.minecraft.block.properties.PropertyEnum;
-import net.minecraft.block.state.BlockStateContainer;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Items;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.CropBlock;
+import net.minecraft.block.Fertilizable;
+import net.minecraft.entity.EntityContext;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.IStringSerializable;
-import net.minecraft.util.NonNullList;
-import net.minecraft.util.SoundCategory;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.item.Items;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.util.Hand;
+import net.minecraft.util.StringIdentifiable;
+import net.minecraft.util.hit.BlockHitResult;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
-import net.minecraftforge.common.EnumPlantType;
-import net.minecraftforge.common.ForgeHooks;
-import net.minecraftforge.common.IPlantable;
 
-public class BlockTomatoPlant extends BlockCrops {
+public class BlockTomatoPlant extends CropBlock {
 
-    public static final PropertyEnum<Type> TYPE = PropertyEnum.create("type", Type.class);
+    public static final EnumProperty<Type> TYPE = EnumProperty.of("type", Type.class);
 
     public BlockTomatoPlant(String domain, String name) {
-        setRegistryName(domain, name);
-        setTranslationKey(name);
-
-        setDefaultState(getDefaultState().withProperty(TYPE, Type.NORMAL));
+        setDefaultState(getDefaultState().with(TYPE, Type.NORMAL));
         setHardness(0.2F);
         setSoundType(SoundType.WOOD);
     }
 
     @Deprecated
     @Override
-    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
-        return BlockStick.BOUNDING_BOX.offset(state.getOffset(source, pos));
-    }
-
-    @Deprecated
-    @Override
-    public AxisAlignedBB getCollisionBoundingBox(IBlockState state, IBlockAccess world, BlockPos pos) {
-        return state.getBoundingBox(world, pos);
+    public VoxelShape getOutlineShape(BlockState state, BlockView source, BlockPos pos, EntityContext context) {
+        Vec3d off = state.getOffsetPos(source, pos);
+        return StickBlock.BOUNDING_BOX.offset(off.x, off.y, off.z);
     }
 
     @Override
-    protected BlockStateContainer createBlockState() {
-        return new BlockStateContainer(this, TYPE, AGE);
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder);
+        builder.add(TYPE);
     }
 
     @Override
-    public EnumOffsetType getOffsetType() {
-        return EnumOffsetType.XZ;
+    public Block.OffsetType getOffsetType() {
+        return Block.OffsetType.XZ;
     }
 
     @Override
-    protected Item getSeed() {
+    protected Item getSeedsItem() {
         return UItems.tomato_seeds;
     }
 
@@ -81,9 +74,9 @@ public class BlockTomatoPlant extends BlockCrops {
     }
 
     @Override
-    public boolean canSustainPlant(IBlockState state, IBlockAccess world, BlockPos pos, EnumFacing direction, IPlantable plantable) {
+    public boolean canSustainPlant(BlockState state, BlockView world, BlockPos pos, Direction direction, Fertilizable plantable) {
 
-        if (direction == EnumFacing.UP && state.getBlock() instanceof BlockTomatoPlant) {
+        if (direction == Direction.UP && state.getBlock() instanceof BlockTomatoPlant) {
             return true;
         }
 
@@ -91,46 +84,37 @@ public class BlockTomatoPlant extends BlockCrops {
     }
 
     @Override
-    public void updateTick(World world, BlockPos pos, IBlockState state, Random rand) {
+    public void onScheduledTick(BlockState state, World world, BlockPos pos, Random rand) {
         checkAndDropBlock(world, pos, state);
 
-        if (world.isAreaLoaded(pos, 1) && world.getLightFromNeighbors(pos.up()) >= 9) {
+        if (world.isBlockLoaded(pos) && world.getLightLevel(pos.up()) >= 9) {
             int i = getAge(state);
 
             if (i < getMaxAge()) {
-                float f = getGrowthChance(this, world, pos);
+                float f = getAvailableMoisture(this, world, pos);
 
-                if (ForgeHooks.onCropsGrowPre(world, pos, state, rand.nextInt((int)(25 / f) + 1) == 0)) {
-                    world.setBlockState(pos, state.withProperty(getAgeProperty(), i + 1), 2);
-
-                    ForgeHooks.onCropsGrowPost(world, pos, state, world.getBlockState(pos));
-                }
+                world.setBlockState(pos, state.with(getAgeProperty(), i + 1), 2);
             }
         }
     }
 
     @Override
-    public int quantityDropped(IBlockState state, int fortune, Random random) {
+    public int quantityDropped(BlockState state, int fortune, Random random) {
         return 1;
     }
 
     @Override
-    public EnumPlantType getPlantType(IBlockAccess world, BlockPos pos) {
-        return EnumPlantType.Crop;
-    }
+    public Item getItemDropped(BlockState state, Random rand, int fortune) {
 
-    @Override
-    public Item getItemDropped(IBlockState state, Random rand, int fortune) {
-
-        if (isMaxAge(state)) {
-            return state.getValue(TYPE).getCrop();
+        if (isMature(state)) {
+            return state.get(TYPE).getCrop();
         }
 
         return getSeed();
     }
 
     @Override
-    public void getDrops(NonNullList<ItemStack> drops, IBlockAccess world, BlockPos pos, IBlockState state, int fortune) {
+    public void getDrops(NonNullList<ItemStack> drops, WorldView world, BlockPos pos, BlockState state, int fortune) {
         Random rand = world instanceof World ? ((World)world).rand : RANDOM;
 
         drops.add(new ItemStack(Items.STICK, 1, 0));
@@ -142,25 +126,25 @@ public class BlockTomatoPlant extends BlockCrops {
     }
 
     @Override
-    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, EnumFacing facing, float hitX, float hitY, float hitZ) {
+    public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
 
-        if (hand == EnumHand.MAIN_HAND && isMaxAge(state)) {
-            if (player.getHeldItem(hand).isEmpty()) {
-                Type type = state.getValue(TYPE);
+        if (hand == Hand.MAIN_HAND && isMature(state)) {
+            if (player.getStackInHand(hand).isEmpty()) {
+                Type type = state.get(TYPE);
 
                 int good = getAge(state);
-                int rotten = world.rand.nextInt(good);
+                int rotten = world.random.nextInt(good);
 
                 good -= rotten;
 
                 if (good > 0) {
-                    spawnAsEntity(world, pos, new ItemStack(type.getCrop(), good));
+                    dropStack(world, pos, new ItemStack(type.getCrop(), good));
                 }
                 if (rotten > 0) {
-                    spawnAsEntity(world, pos, new ItemStack(type.getWaste(), rotten));
+                    dropStack(world, pos, new ItemStack(type.getWaste(), rotten));
                 }
 
-                world.setBlockState(pos, state.withProperty(getAgeProperty(), 0));
+                world.setBlockState(pos, state.with(getAgeProperty(), 0));
 
                 return true;
             }
@@ -170,20 +154,20 @@ public class BlockTomatoPlant extends BlockCrops {
     }
 
     @Override
-    public void grow(World worldIn, BlockPos pos, IBlockState state) {
-        int age = Math.min(getAge(state) + getBonemealAgeIncrease(worldIn), getMaxAge());
+    public void applyGrowth(World world, BlockPos pos, BlockState state) {
+        int age = Math.min(getAge(state) + getGrowthAmount(world), getMaxAge());
 
-        worldIn.setBlockState(pos, state.withProperty(getAgeProperty(), age), 2);
+        world.setBlockState(pos, state.with(getAgeProperty(), age), 2);
     }
 
-    public boolean plant(World world, BlockPos pos, IBlockState state) {
+    public boolean plant(World world, BlockPos pos, BlockState state) {
         Block block = state.getBlock();
 
-        if (block instanceof BlockStick && ((BlockStick)block).canSustainPlant(world, pos, this)) {
+        if (block instanceof StickBlock && ((StickBlock)block).canSustainPlant(world, pos, this)) {
 
-            world.setBlockState(pos, getPlacedState(world, pos, state).withProperty(getAgeProperty(), 1));
+            world.setBlockState(pos, getPlacedState(world, pos, state).with(getAgeProperty(), 1));
 
-            SoundType sound = getSoundType(state, world, pos, null);
+            BlockSoundGroup sound = getSoundGroup(state);
 
             world.playSound(null, pos, sound.getPlaceSound(), SoundCategory.BLOCKS, sound.getVolume(), sound.getPitch() * 2);
 
@@ -193,48 +177,34 @@ public class BlockTomatoPlant extends BlockCrops {
         return false;
     }
 
-    @Override
-    public IBlockState getStateFromMeta(int meta) {
-        int age = meta % (getMaxAge() + 1);
-        int half = meta >> 3;;
-
-        return withAge(age).withProperty(TYPE, Type.values()[half]);
-    }
-
-    public IBlockState getPlacedState(World world, BlockPos pos, IBlockState state) {
-        if (state.getBlock() instanceof BlockStick) {
+    public BlockState getPlacedState(World world, BlockPos pos, BlockState state) {
+        if (state.getBlock() instanceof StickBlock) {
             pos = pos.down();
             return getPlacedState(world, pos, world.getBlockState(pos));
         }
 
         if (state.getBlock() instanceof BlockCloudFarm) {
-            return getDefaultState().withProperty(TYPE, Type.CLOUDSDALE);
+            return getDefaultState().with(TYPE, Type.CLOUDSDALE);
         }
 
         if (state.getBlock() instanceof BlockTomatoPlant) {
-            return getDefaultState().withProperty(TYPE, state.getValue(TYPE));
+            return getDefaultState().with(TYPE, state.get(TYPE));
         }
 
         return getDefaultState();
     }
 
-    @Override
-    public int getMetaFromState(IBlockState state) {
-        int age = getAge(state);
-        int half = state.getValue(TYPE).ordinal();
-
-        return (half << 3) + age;
-    }
-
-    public static enum Type implements IStringSerializable {
+    public enum Type implements StringIdentifiable {
         NORMAL,
         CLOUDSDALE;
 
+        @Override
         public String toString() {
-            return getName();
+            return asString();
         }
 
-        public String getName() {
+        @Override
+        public String asString() {
             return this == NORMAL ? "normal" : "cloudsdale";
         }
 

src/main/java/com/minelittlepony/unicopia/block/ChiselledChitinBlock.java

@@ -0,0 +1,79 @@
+package com.minelittlepony.unicopia.block;
+
+import javax.annotation.Nullable;
+
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.UMaterials;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.MaterialColor;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.Properties;
+import net.minecraft.util.BlockMirror;
+import net.minecraft.util.BlockRotation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.BlockView;
+
+public class ChiselledChitinBlock extends Block {
+
+    public ChiselledChitinBlock(String domain, String name) {
+        super(FabricBlockSettings.of(UMaterials.hive)
+                .strength(50, 2000)
+                .materialColor(MaterialColor.BLACK)
+                .build()
+        );
+        setDefaultState(stateFactory.getDefaultState()
+                .with(Properties.FACING, Direction.UP)
+        );
+
+        // TODO:
+        // setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
+    }
+
+    @Override
+    public BlockState rotate(BlockState state, BlockRotation rot) {
+        return state.with(Properties.FACING, rot.rotate(state.get(Properties.FACING)));
+    }
+
+    @Override
+    public BlockState mirror(BlockState state, BlockMirror mirror) {
+        return state.with(Properties.FACING, mirror.apply(state.get(Properties.FACING)));
+    }
+
+    @Override
+    @Nullable
+    public BlockState getPlacementState(ItemPlacementContext context) {
+        return getDefaultState().with(Properties.FACING, context.getPlayerFacing());
+    }
+
+    @Override
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        builder.add(Properties.FACING);
+    }
+
+    @Deprecated
+    @Override
+    public float calcBlockBreakingDelta(BlockState state, PlayerEntity player, BlockView worldIn, BlockPos pos) {
+        float hardness = super.calcBlockBreakingDelta(state, player, worldIn, pos);
+
+        IPlayer iplayer = SpeciesList.instance().getPlayer(player);
+        Race race = iplayer.getSpecies();
+
+        if (race == Race.CHANGELING) {
+            hardness *= 80;
+        } else if (race.canInteractWithClouds()) {
+            hardness /= 4;
+        } else if (race.canUseEarth()) {
+            hardness *= 10;
+        }
+
+        return hardness;
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/ChitinBlock.java

@@ -0,0 +1,97 @@
+package com.minelittlepony.unicopia.block;
+
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.UMaterials;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.MaterialColor;
+import net.minecraft.entity.EntityContext;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.util.StringIdentifiable;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.BlockView;
+import net.minecraft.world.IWorld;
+
+public class ChitinBlock extends Block {
+
+    public static final EnumProperty<Covering> COVERING = EnumProperty.of("covering", Covering.class);
+
+    public ChitinBlock(String domain, String name) {
+        super(FabricBlockSettings.of(UMaterials.hive)
+                .hardness(50)
+                .strength(2000, 2000)
+                .materialColor(MaterialColor.BLACK)
+                .build()
+        );
+        setDefaultState(stateFactory.getDefaultState().with(COVERING, Covering.UNCOVERED));
+
+        // TODO: drops:
+        //  UItems.chitin_shell x 3
+        // setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
+    }
+
+    @Deprecated
+    @Override
+    public float calcBlockBreakingDelta(BlockState state, PlayerEntity player, BlockView world, BlockPos pos) {
+        float hardness = super.calcBlockBreakingDelta(state, player, world, pos);
+
+        IPlayer iplayer = SpeciesList.instance().getPlayer(player);
+        Race race = iplayer.getSpecies();
+
+        if (race == Race.CHANGELING) {
+            hardness *= 80;
+        } else if (race.canInteractWithClouds()) {
+            hardness /= 4;
+        } else if (race.canUseEarth()) {
+            hardness *= 10;
+        }
+
+        return hardness;
+    }
+
+
+    @Override
+    @Deprecated
+    public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState other, IWorld world, BlockPos pos, BlockPos otherPos) {
+        if (direction == Direction.UP) {
+            Block block = other.getBlock();
+
+            boolean snowy = block == Blocks.SNOW_BLOCK || block == Blocks.SNOW;
+            boolean solid = (other.isOpaque() && other.isSimpleFullBlock(world, pos)) || Block.isFaceFullSquare(other.getCollisionShape(world, otherPos, EntityContext.absent()), Direction.DOWN);
+
+            return state.with(COVERING, snowy ? Covering.SNOW_COVERED : solid ? Covering.COVERED : Covering.UNCOVERED);
+        }
+
+        return state;
+    }
+
+    @Override
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        builder.add(COVERING);
+    }
+
+    public enum Covering implements StringIdentifiable {
+        COVERED,
+        UNCOVERED,
+        SNOW_COVERED;
+
+        @Override
+        public String toString() {
+            return asString();
+        }
+
+        @Override
+        public String asString() {
+            return name().toLowerCase();
+        }
+
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/FruitLeavesBlock.java

@@ -0,0 +1,177 @@
+package com.minelittlepony.unicopia.block;
+
+import java.util.Random;
+import java.util.function.Function;
+
+import javax.annotation.Nonnull;
+
+import com.minelittlepony.unicopia.SpeciesList;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.LeavesBlock;
+import net.minecraft.block.Material;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.DyeItem;
+import net.minecraft.item.ItemStack;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.BooleanProperty;
+import net.minecraft.util.DyeColor;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraft.world.biome.Biome.TemperatureGroup;
+
+public class FruitLeavesBlock extends LeavesBlock implements IColourful {
+
+    public static final BooleanProperty HEAVY = BooleanProperty.of("heavy");
+
+    private boolean hardy;
+
+    private int baseGrowthChance;
+    private int customTint;
+
+    private Function<World, ItemStack> fruitProducer = w -> ItemStack.EMPTY;
+    private Function<World, ItemStack> compostProducer = w -> ItemStack.EMPTY;
+
+    public FruitLeavesBlock() {
+        super(FabricBlockSettings.of(Material.LEAVES)
+                .strength(0.2F, 0.2F)
+                .ticksRandomly()
+                .sounds(BlockSoundGroup.GRASS)
+                .build()
+        );
+
+        setDefaultState(stateFactory.getDefaultState()
+            .with(HEAVY, false)
+            .with(DISTANCE, 7)
+            .with(PERSISTENT, false)
+        );
+    }
+
+    public FruitLeavesBlock hardy(boolean value) {
+        hardy = value;
+        return this;
+    }
+
+    public FruitLeavesBlock fruit(@Nonnull Function<World, ItemStack> producer) {
+        fruitProducer = producer;
+        return this;
+    }
+
+    public FruitLeavesBlock compost(@Nonnull Function<World, ItemStack> producer) {
+        compostProducer = producer;
+        return this;
+    }
+
+    public FruitLeavesBlock growthChance(int chance) {
+        baseGrowthChance = chance;
+        return this;
+    }
+
+    public FruitLeavesBlock tint(int tint) {
+        customTint = tint;
+        return this;
+    }
+
+    @Override
+    public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
+        ItemStack stack = player.getStackInHand(hand);
+
+        if (SpeciesList.instance().getPlayer(player).getSpecies().canUseEarth()) {
+            if (stack.isEmpty()) {
+
+                if (state.get(HEAVY)) {
+                    dropContents(world, pos, state, 0);
+                }
+            } else if (stack.getItem() instanceof DyeItem && ((DyeItem)stack.getItem()).getColor() == DyeColor.WHITE) {
+                if (!state.get(HEAVY)) {
+                    world.setBlockState(pos, state.with(HEAVY, true));
+
+                    if (!world.isClient) {
+                        world.playGlobalEvent(2005, pos, 0);
+                    }
+
+                    if (!player.abilities.creativeMode) {
+                        stack.decrement(1);
+                    }
+                }
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onScheduledTick(BlockState state, World world, BlockPos pos, Random rand) {
+        if (!world.isClient && world.isBlockLoaded(pos) && !state.get(PERSISTENT)) {
+            int growthChance = getGrowthChance(world, pos, state);
+
+            if (!state.get(HEAVY) && (growthChance <= 0 || rand.nextInt(growthChance) == 0)) {
+                world.setBlockState(pos, state.with(HEAVY, true));
+            } else {
+                growthChance /= 10;
+
+                if (state.get(HEAVY) && (growthChance <= 0 || rand.nextInt(growthChance) == 0)) {
+                    dropContents(world, pos, state, 0);
+                } else {
+                    super.onScheduledTick(state, world, pos, rand);
+                }
+            }
+        }
+    }
+
+    protected int getGrowthChance(World world, BlockPos pos, BlockState state) {
+        int chance = baseGrowthChance;
+
+        if (!hardy && !world.isDaylight()) {
+            chance *= 40;
+        }
+
+        if (world.getLightLevel(pos) >= 4) {
+            chance /= 3;
+        }
+
+        TemperatureGroup temp = world.getBiome(pos).getTemperatureGroup();
+
+        if (!hardy && temp == TemperatureGroup.COLD) {
+            chance *= 1000;
+        }
+
+        if (temp == TemperatureGroup.WARM) {
+            chance /= 100;
+        }
+
+        if (temp == TemperatureGroup.MEDIUM) {
+            chance /= 50;
+        }
+
+        return chance;
+    }
+
+    @Override
+    public int getCustomTint(BlockState state, int tint) {
+        return customTint;
+    }
+
+    protected void dropContents(World world, BlockPos pos, BlockState state, int chance) {
+        Function<World, ItemStack> fruit = world.random.nextInt(40) == 0 ? compostProducer : fruitProducer;
+        dropStack(world, pos, fruit.apply(world));
+
+        world.playSound(null, pos, SoundEvents.ENTITY_ITEM_FRAME_PLACE, SoundCategory.BLOCKS, 0.3F, 1);
+        world.setBlockState(pos, state.with(HEAVY, false));
+    }
+
+    @Override
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        super.appendProperties(builder);
+        builder.add(HEAVY);
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/GlowingGemBlock.java

@@ -0,0 +1,194 @@
+package com.minelittlepony.unicopia.block;
+
+import java.util.Random;
+import com.minelittlepony.unicopia.CloudType;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Material;
+import net.minecraft.block.TorchBlock;
+import net.minecraft.entity.EntityContext;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.particle.ParticleTypes;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.BooleanProperty;
+import net.minecraft.state.property.Properties;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+import net.minecraft.world.World;
+
+public class GlowingGemBlock extends TorchBlock implements ICloudBlock {
+
+    public static BooleanProperty ON = BooleanProperty.of("on");
+
+    private static final double A = 5/16D;
+    private static final double B = 6/16D;
+
+    private static final double C = 10/16D;
+
+    // tiltedOffWall
+    private static final double F = 10/16D;
+
+    // tiltedMinY
+    private static final double E = 3/16D;
+
+    protected static final VoxelShape STANDING_AABB = VoxelShapes.cuboid(new Box(
+            7/16D, 0, 7/16D,
+            9/16D, 1, 9/16D
+    ));
+    protected static final VoxelShape TORCH_NORTH_AABB = VoxelShapes.cuboid(new Box(B, E, F, C, 1, 1));
+    protected static final VoxelShape TORCH_SOUTH_AABB = VoxelShapes.cuboid(new Box(B, E, 0, C, 1, A));
+    protected static final VoxelShape TORCH_WEST_AABB  = VoxelShapes.cuboid(new Box(F, E, B, 1, 1, C));
+    protected static final VoxelShape TORCH_EAST_AABB  = VoxelShapes.cuboid(new Box(0, E, B, A, 1, C));
+
+    public GlowingGemBlock(String domain, String name) {
+        super(FabricBlockSettings.of(Material.PART)
+                .noCollision()
+                .strength(0, 0)
+                .ticksRandomly()
+                .lightLevel(1)
+                .sounds(BlockSoundGroup.GLASS)
+                .build()
+        );
+        setDefaultState(stateFactory.getDefaultState()
+                .with(Properties.FACING, Direction.UP)
+                .with(ON, true)
+        );
+    }
+
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView source, BlockPos pos, EntityContext context) {
+        switch (state.get(Properties.FACING)) {
+            case EAST: return TORCH_EAST_AABB;
+            case WEST: return TORCH_WEST_AABB;
+            case SOUTH: return TORCH_SOUTH_AABB;
+            case NORTH: return TORCH_NORTH_AABB;
+            default: return STANDING_AABB;
+        }
+    }
+
+    @Override
+    public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
+
+        if (!state.get(ON)) {
+            ItemStack held = player.getStackInHand(hand);
+            if (!held.isEmpty() && (held.getItem() == Items.FLINT_AND_STEEL || held.getItem() == Items.FIRE_CHARGE)) {
+
+                world.playSound(null, pos, SoundEvents.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
+                world.setBlockState(pos, state.with(ON, true));
+
+                if (held.getItem() == Items.FLINT_AND_STEEL) {
+                    held.damage(1, player, p -> p.sendToolBreakStatus(hand));
+                } else if (!player.abilities.creativeMode) {
+                    held.decrement(1);
+                }
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void randomDisplayTick(BlockState state, World world, BlockPos pos, Random rand) {
+        Direction facing = state.get(Properties.FACING);
+
+        double x = pos.getX() + 0.5;
+        double y = pos.getY() + 1;
+        double z = pos.getZ() + 0.5;
+
+        double drop = 0.22D;
+        double variance = 0.27D;
+
+        if (facing.getAxis().isHorizontal()) {
+            facing = facing.getOpposite();
+
+            x += variance * facing.getOffsetX();
+            y += drop;
+            z += variance * facing.getOffsetZ();
+        }
+
+        if (state.get(ON)) {
+            for (int i = 0; i < 3; i++) {
+                // TODO:
+               // ParticleTypeRegistry.getTnstance().spawnParticle(UParticles.UNICORN_MAGIC, false,
+               //         x - 0.3, y - 0.3, z - 0.3,
+               //         rand.nextFloat(), rand.nextFloat(), rand.nextFloat());
+            }
+        } else {
+            world.addParticle(ParticleTypes.SMOKE, x, y, z, 0, 0, 0);
+        }
+    }
+
+    @Override
+    public void onScheduledTick(BlockState state, World world, BlockPos pos, Random random) {
+        if (world.hasRain(pos)) {
+            if (state.get(ON)) {
+                world.playSound(null, pos, SoundEvents.BLOCK_REDSTONE_TORCH_BURNOUT, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
+                world.setBlockState(pos, state.with(ON, false));
+            }
+        } else {
+            if (!state.get(ON)) {
+                world.playSound(null, pos, SoundEvents.ITEM_FLINTANDSTEEL_USE, SoundCategory.BLOCKS, 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
+                world.setBlockState(pos, state.with(ON, true));
+            }
+        }
+    }
+
+    @Override
+    public int getStrongRedstonePower(BlockState state, BlockView world, BlockPos pos, Direction side) {
+        return state.get(ON) && side == Direction.DOWN ? state.getWeakRedstonePower(world, pos, side) : 0;
+    }
+
+    @Override
+    public int getWeakRedstonePower(BlockState state, BlockView world, BlockPos pos, Direction side) {
+        return state.get(ON) && state.get(Properties.FACING) != side ? 12 : 0;
+    }
+
+    @Override
+    public CloudType getCloudMaterialType(BlockState blockState) {
+        return CloudType.ENCHANTED;
+    }
+
+    // TODO: this is a loot table now
+    /*@Override
+    public List<ItemStack> getDroppedStacks(BlockState state, LootContext.Builder context) {
+
+        Random rand = context.world instanceof World ? ((World)world).random : random;
+
+        if (rand.nextInt(10) == 0) {
+            drops.add(new ItemStack(UItems.spell));
+        } else {
+            drops.add(new ItemStack(UItems.curse));
+        }
+
+        return drops;
+    }*/
+
+    @Override
+    public int getLuminance(BlockState state) {
+        if (state.get(ON)) {
+            return super.getLuminance(state);
+        }
+
+        return 0;
+    }
+
+    @Override
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        builder.add(Properties.FACING).add(ON);
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/HiveWallBlock.java

@@ -0,0 +1,366 @@
+package com.minelittlepony.unicopia.block;
+
+import java.util.Map;
+import java.util.Random;
+
+import com.google.common.collect.Maps;
+import com.minelittlepony.unicopia.Race;
+import com.minelittlepony.unicopia.SpeciesList;
+import com.minelittlepony.unicopia.UBlocks;
+import com.minelittlepony.unicopia.UMaterials;
+import com.minelittlepony.unicopia.USounds;
+import com.minelittlepony.unicopia.entity.player.IPlayer;
+import com.minelittlepony.util.PosHelper;
+import com.minelittlepony.util.shape.IShape;
+import com.minelittlepony.util.shape.Sphere;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.FallingBlock;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.FallingBlockEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemPlacementContext;
+import net.minecraft.particle.BlockStateParticleEffect;
+import net.minecraft.particle.ParticleTypes;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.state.StateFactory;
+import net.minecraft.state.property.EnumProperty;
+import net.minecraft.util.Hand;
+import net.minecraft.util.StringIdentifiable;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.ViewableWorld;
+import net.minecraft.world.World;
+
+public class HiveWallBlock extends FallingBlock {
+
+    public static final EnumProperty<State> STATE = EnumProperty.of("state", State.class);
+    public static final EnumProperty<Axis> AXIS = EnumProperty.of("axis", Axis.class);
+
+    private static final IShape shape = new Sphere(false, 1.5);
+
+    public HiveWallBlock(String domain, String name) {
+        super(FabricBlockSettings.of(UMaterials.hive)
+                .noCollision()
+                .strength(10, 10)
+                .hardness(2)
+                .ticksRandomly()
+                .lightLevel(1)
+                .sounds(BlockSoundGroup.SAND)
+                .build()
+        );
+        setDefaultState(stateFactory.getDefaultState()
+                .with(STATE, State.GROWING).with(AXIS, Axis.Y)
+        );
+
+        // TODO:
+       // setCreativeTab(CreativeTabs.BUILDING_BLOCKS);
+       // setHarvestLevel("pickaxe", 1);
+    }
+
+    @Override
+    public void onScheduledTick(BlockState state, World world, BlockPos pos, Random rand) {
+
+        if (rand.nextInt(300) == 0) {
+            world.playSound(null, pos, USounds.INSECT, SoundCategory.BLOCKS, 1, 1);
+        }
+
+        State type = getState(state);
+
+        Axis axis = getAxis(state);
+
+        int matchedNeighbours = countNeighbours(world, pos);
+
+        if (type == State.GROWING) {
+            if (testForAxis(world, pos, axis)) {
+                world.setBlockState(pos, state.with(STATE, State.STABLE));
+            } else {
+                Axis newAxis = axis;
+
+                for (Axis i : Axis.VALUES) {
+                    if (testForAxis(world, pos, i)) {
+                        newAxis = i;
+                        break;
+                    }
+                }
+
+                if (newAxis != axis) {
+                    world.setBlockState(pos, state.with(AXIS, newAxis).with(STATE, State.STABLE));
+                } else if (rand.nextInt(10) == 0) {
+                    Direction facing = axis.randomFacing(rand);
+
+                    BlockPos other = pos.offset(facing);
+
+                    if (canSpreadInto(world, other, axis)) {
+                        world.playSound(null, pos, USounds.SLIME_RETRACT, SoundCategory.BLOCKS, 1, 1);
+                        world.setBlockState(other, state);
+                        world.setBlockState(pos, state.with(STATE, State.STABLE));
+                    }
+                }
+            }
+        } else if (type == State.DYING) {
+            if (matchedNeighbours > 1 && matchedNeighbours < 17) {
+                world.setBlockState(pos, state.with(STATE, State.STABLE));
+            } else {
+                die(world, pos, rand);
+            }
+        } else {
+
+            if (pos.getX() % 3 == 0 && pos.getZ() % 4 == 0 && isEmptySpace(world, pos.down()) && UBlocks.cuccoon.canPlaceBlockAt(world, pos.down())) {
+                world.setBlockState(pos.down(), UBlocks.cuccoon.getDefaultState());
+            } else if (!testForAxis(world, pos, axis)) {
+                world.setBlockState(pos, state.with(STATE, State.GROWING));
+            } else if (matchedNeighbours >= 27) {
+                world.setBlockState(pos, state.with(STATE, State.DYING));
+            } else {
+                return;
+            }
+        }
+
+        world.getBlockTickScheduler().schedule(pos, this, getTickRate(world));
+    }
+
+    public State getState(BlockState state) {
+        return state.get(STATE);
+    }
+
+    public Axis getAxis(BlockState state) {
+        return state.get(AXIS);
+    }
+
+    @Override
+    public void onBlockAdded(BlockState state, World world, BlockPos pos, BlockState oldState, boolean uuuuh) {
+        if (state.get(STATE) != State.STABLE) {
+            super.onBlockAdded(state, world, pos, oldState, uuuuh);
+        }
+    }
+
+    @Override
+    public int getTickRate(ViewableWorld view) {
+       return 10;
+    }
+
+    protected boolean testForAxis(World world, BlockPos pos, Axis axis) {
+        return !PosHelper.some(pos, p -> isEmptySpace(world, p), axis.getFacings());
+    }
+
+    protected boolean isEmptySpace(World world, BlockPos pos) {
+
+        if (world.isAir(pos)) {
+            return true;
+        }
+
+        BlockState state = world.getBlockState(pos);
+
+        return !(state.getMaterial().isLiquid()
+                || state.isFullOpaque(world, pos)
+                || state.isOpaque());
+    }
+
+    protected void die(World world, BlockPos pos, Random rand) {
+        world.breakBlock(pos, false);
+
+        PosHelper.all(pos, p -> {
+            BlockState s = world.getBlockState(p);
+
+            if (s.getBlock() == this) {
+                notifyDying(world, p, s, rand);
+            }
+        }, Direction.values());
+    }
+
+    protected void notifyDying(World world, BlockPos pos, BlockState state, Random rand) {
+        State oldState = state.get(STATE);
+        State newState = oldState.downGrade();
+
+        if (newState != oldState) {
+            world.setBlockState(pos, state.with(STATE, newState));
+        }
+    }
+
+    @Override
+    public void onSteppedOn(World world, BlockPos pos, Entity entity) {
+        if (entity instanceof PlayerEntity) {
+            IPlayer player = SpeciesList.instance().getPlayer((PlayerEntity)entity);
+
+            if (player.getSpecies() != Race.CHANGELING && !world.isClient) {
+                if (((isEmptySpace(world, pos.down()) || canFallThrough(world.getBlockState(pos.down()))) && pos.getY() >= 0)) {
+                    FallingBlockEntity faller = new FallingBlockEntity(world, pos.getX() + 0.5D, pos.getY(), pos.getZ() + 0.5D, world.getBlockState(pos));
+                    configureFallingBlockEntity(faller);
+                    world.spawnEntity(faller);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onLanding(World world, BlockPos pos, BlockState fallingState, BlockState hitState) {
+        world.breakBlock(pos, true);
+    }
+
+    @Override
+    public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
+
+        if (hand == Hand.MAIN_HAND && player.getStackInHand(hand).isEmpty()) {
+            IPlayer iplayer = SpeciesList.instance().getPlayer(player);
+
+            if (iplayer.getSpecies() == Race.CHANGELING) {
+                retreat(world, pos);
+
+                PosHelper.adjacentNeighbours(pos).forEach(p -> {
+                    if (world.getBlockState(p).getBlock() == this) {
+                        retreat(world, p);
+                    }
+                });
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public BlockState getPlacementState(ItemPlacementContext context) {
+        return getDefaultState().with(AXIS, Axis.fromVanilla(context.getPlayerFacing().getAxis()));
+    }
+
+    @Override
+    public void randomDisplayTick(BlockState state, World world, BlockPos pos, Random rand) {
+        if (rand.nextInt(16) == 0) {
+            Vec3d vel = shape.computePoint(rand);
+            Vec3d vec = vel.add(pos.getX(), pos.getY(), pos.getZ());
+
+            world.addParticle(new BlockStateParticleEffect(ParticleTypes.BLOCK, state), vec.x, vec.y, vec.z, vel.x, vel.y, vel.z);
+        }
+    }
+
+    public void retreat(World world, BlockPos pos) {
+        world.setBlockState(pos, Blocks.AIR.getDefaultState());
+        world.playSound(null, pos, USounds.SLIME_RETRACT, SoundCategory.BLOCKS, 1, 1);
+    }
+
+    protected int countNeighbours(World world, BlockPos pos) {
+        int count = 0;
+        for (BlockPos i : BlockPos.iterate(pos.add(-1, -1, -1), pos.add(1, 1, 1))) {
+            if (world.getBlockState(i).getBlock() == this) {
+                count++;
+            }
+        }
+
+        return count;
+    }
+
+    protected boolean exposed(World world, BlockPos pos) {
+        return PosHelper.some(pos, p -> isEmptySpace(world, p), Direction.values());
+    }
+
+    protected boolean canSpreadInto(World world, BlockPos pos, Axis axis) {
+        if (world.isBlockLoaded(pos) && isEmptySpace(world, pos)) {
+            boolean one = false;
+
+            for (Direction facing : axis.getFacings()) {
+                BlockPos op = pos.offset(facing);
+
+                if (world.getBlockState(op).getMaterial() == UMaterials.hive) {
+                    if (one) {
+                        return true;
+                    }
+
+                    one = true;
+                }
+            }
+
+        }
+
+        return false;
+    }
+
+    @Override
+    protected void appendProperties(StateFactory.Builder<Block, BlockState> builder) {
+        builder.add(STATE).add(AXIS);
+    }
+
+    public enum State implements StringIdentifiable {
+        GROWING,
+        STABLE,
+        DYING;
+
+        static final State[] VALUES = values();
+
+        @Override
+        public String toString() {
+            return asString();
+        }
+
+        @Override
+        public String asString() {
+            return name().toLowerCase();
+        }
+
+        public State upgrade() {
+            switch (this) {
+                case DYING: return STABLE;
+                default: return GROWING;
+            }
+        }
+
+        public State downGrade() {
+            switch (this) {
+                case GROWING: return STABLE;
+                default: return DYING;
+            }
+        }
+    }
+
+    public enum Axis implements StringIdentifiable {
+        X(Direction.Axis.X, Direction.EAST, Direction.WEST, Direction.UP, Direction.DOWN),
+        Y(Direction.Axis.Y, Direction.EAST, Direction.WEST, Direction.NORTH, Direction.SOUTH),
+        Z(Direction.Axis.Z, Direction.NORTH, Direction.SOUTH, Direction.UP, Direction.DOWN);
+
+        static final Axis[] VALUES = values();
+        static final Map<Direction.Axis, Axis> AXIS_MAP = Maps.newEnumMap(Direction.Axis.class);
+
+        private final Direction.Axis vanilla;
+        private final Direction[] facings;
+
+        static {
+            for (Axis i : VALUES) {
+                AXIS_MAP.put(i.vanilla, i);
+            }
+        }
+
+        Axis(Direction.Axis vanilla, Direction... facings) {
+            this.vanilla = vanilla;
+            this.facings = facings;
+        }
+
+        @Override
+        public String toString() {
+            return asString();
+        }
+
+        @Override
+        public String asString() {
+            return name().toLowerCase();
+        }
+
+        public Direction randomFacing(Random rand) {
+            return facings[rand.nextInt(facings.length)];
+        }
+
+        public Direction[] getFacings() {
+            return facings;
+        }
+
+        public static Axis fromVanilla(Direction.Axis axis) {
+            return AXIS_MAP.get(axis);
+        }
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/ICloudBlock.java

@@ -3,32 +3,31 @@ package com.minelittlepony.unicopia.block;
 import com.minelittlepony.unicopia.CloudType;
 import com.minelittlepony.unicopia.Predicates;
 import com.minelittlepony.unicopia.UClient;
-import com.minelittlepony.unicopia.forgebullshit.FUF;
+import net.minecraft.block.BedBlock;
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockBed;
-import net.minecraft.block.BlockChest;
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.BlockTorch;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.ChestBlock;
+import net.minecraft.block.FallingBlock;
+import net.minecraft.block.TorchBlock;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.item.ItemBlock;
+import net.minecraft.entity.ItemEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.BlockItem;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.IBlockAccess;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.BlockView;
 import net.minecraft.world.World;
 
 public interface ICloudBlock {
 
-    CloudType getCloudMaterialType(IBlockState blockState);
+    CloudType getCloudMaterialType(BlockState blockState);
 
-    default boolean handleRayTraceSpecialCases(World world, BlockPos pos, IBlockState state) {
-        if (world.isRemote) {
-            EntityPlayer player = UClient.instance().getPlayer();
+    default boolean handleRayTraceSpecialCases(World world, BlockPos pos, BlockState state) {
+        if (world.isClient) {
+            PlayerEntity player = UClient.instance().getPlayer();
 
-            if (player.capabilities.isCreativeMode) {
+            if (player.abilities.creativeMode) {
                 return false;
             }
 
@@ -38,20 +37,21 @@ public interface ICloudBlock {
 
             CloudType type = getCloudMaterialType(state);
 
-            ItemStack main = player.getHeldItemMainhand();
+            ItemStack main = player.getMainHandStack();
             if (main.isEmpty()) {
-                main = player.getHeldItemOffhand();
+                main = player.getOffHandStack();
             }
 
-            if (!main.isEmpty() && main.getItem() instanceof ItemBlock) {
-                Block block = ((ItemBlock)main.getItem()).getBlock();
+            if (!main.isEmpty() && main.getItem() instanceof BlockItem) {
+                Block block = ((BlockItem)main.getItem()).getBlock();
+                BlockState heldState = block.getDefaultState();
 
-                if (block == null || block == Blocks.AIR) {
+                if (block == null || block.isAir(heldState)) {
                     return false;
                 }
 
                 if (block instanceof ICloudBlock) {
-                    CloudType other = ((ICloudBlock)block).getCloudMaterialType(block.getDefaultState());
+                    CloudType other = ((ICloudBlock)block).getCloudMaterialType(heldState);
 
                     if (other.canInteract(player)) {
                         return false;
@@ -72,14 +72,14 @@ public interface ICloudBlock {
     }
 
     default boolean isPlacementExcempt(Block block) {
-        return block instanceof BlockTorch
-            || block instanceof BlockBed
-            || block instanceof BlockChest;
+        return block instanceof TorchBlock
+            || block instanceof BedBlock
+            || block instanceof ChestBlock;
     }
 
     default boolean applyLanding(Entity entity, float fallDistance) {
         if (!entity.isSneaking()) {
-            entity.fall(fallDistance, 0);
+            entity.handleFallDamage(fallDistance, 0);
 
             return false;
         }
@@ -88,12 +88,17 @@ public interface ICloudBlock {
     }
 
     default boolean applyRebound(Entity entity) {
-        if (!entity.isSneaking() && entity.motionY < 0) {
-            if (Math.abs(entity.motionY) >= 0.25) {
-                entity.motionY = -entity.motionY * 1.2;
+
+        Vec3d vel = entity.getVelocity();
+        double y = vel.y;
+
+        if (!entity.isSneaking() && y < 0) {
+            if (Math.abs(y) >= 0.25) {
+                y = -y * 1.2;
             } else {
-                entity.motionY = 0;
+                y = 0;
             }
+            entity.setVelocity(vel.x, y, vel.z);
 
             return true;
         }
@@ -101,13 +106,17 @@ public interface ICloudBlock {
         return false;
     }
 
-    default boolean applyBouncyness(IBlockState state, Entity entity) {
+    default boolean applyBouncyness(BlockState state, Entity entity) {
         if (getCanInteract(state, entity)) {
-            if (!entity.isSneaking() && Math.abs(entity.motionY) >= 0.25) {
-                entity.motionY += 0.0155 * (entity.fallDistance < 1 ? 1 : entity.fallDistance);
+            Vec3d vel = entity.getVelocity();
+            double y = vel.y;
+
+            if (!entity.isSneaking() && Math.abs(y) >= 0.25) {
+                y += 0.0155 * (entity.fallDistance < 1 ? 1 : entity.fallDistance);
             } else {
-                entity.motionY = 0;
+                y = 0;
             }
+            entity.setVelocity(vel.x, y, vel.z);
 
             return true;
         }
@@ -116,9 +125,9 @@ public interface ICloudBlock {
     }
 
 
-    default boolean getCanInteract(IBlockState state, Entity e) {
+    default boolean getCanInteract(BlockState state, Entity e) {
         if (getCloudMaterialType(state).canInteract(e)) {
-            if (e instanceof EntityItem) {
+            if (e instanceof ItemEntity) {
                 // @FUF(reason = "There is no TickEvents.EntityTickEvent. Waiting on mixins...")
                 e.setNoGravity(true);
             }
@@ -128,7 +137,7 @@ public interface ICloudBlock {
         return false;
     }
 
-    default boolean isDense(IBlockState blockState) {
+    default boolean isDense(BlockState blockState) {
         return getCloudMaterialType(blockState) != CloudType.NORMAL;
     }
 
@@ -139,14 +148,15 @@ public interface ICloudBlock {
      * @param pos   The current position
      *
      * @return True to allow blocks to pass.
+     *
+     * @fuf Hacked until we can get mixins to implement a proper hook
      */
-    @FUF(reason = "Hacked until we can get mixins to implement a proper hook")
-    default boolean allowsFallingBlockToPass(IBlockState state, IBlockAccess world, BlockPos pos) {
+    default boolean allowsFallingBlockToPass(BlockState state, BlockView world, BlockPos pos) {
         if (isDense(state)) {
             return false;
         }
 
         Block above = world.getBlockState(pos.up()).getBlock();
-        return !(above instanceof ICloudBlock) && above instanceof BlockFalling;
+        return !(above instanceof ICloudBlock) && above instanceof FallingBlock;
     }
 }

src/main/java/com/minelittlepony/unicopia/block/IColourful.java

@@ -1,8 +1,8 @@
 package com.minelittlepony.unicopia.block;
 
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
 
 @FunctionalInterface
 public interface IColourful {
-    int getCustomTint(IBlockState state, int tint);
+    int getCustomTint(BlockState state, int tint);
 }

src/main/java/com/minelittlepony/unicopia/block/ITillable.java

@@ -2,8 +2,8 @@ package com.minelittlepony.unicopia.block;
 
 import javax.annotation.Nonnull;
 
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.block.BlockState;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
@@ -16,9 +16,9 @@ public interface ITillable {
      * Gets the farmland/tilled state for this block when attacked by a hoe.
      */
     @Nonnull
-    IBlockState getFarmlandState(ItemStack hoe, EntityPlayer player, World world, IBlockState state, BlockPos pos);
+    BlockState getFarmlandState(ItemStack hoe, PlayerEntity player, World world, BlockState state, BlockPos pos);
 
-    default boolean canBeTilled(ItemStack hoe, EntityPlayer player, World world, IBlockState state, BlockPos pos) {
-        return world.isAirBlock(pos.up());
+    default boolean canBeTilled(ItemStack hoe, PlayerEntity player, World world, BlockState state, BlockPos pos) {
+        return world.isAir(pos.up());
     }
 }

src/main/java/com/minelittlepony/unicopia/block/ITreeGen.java

@@ -1,12 +1,11 @@
 package com.minelittlepony.unicopia.block;
 
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
 import net.minecraft.world.World;
-import net.minecraft.world.gen.feature.WorldGenAbstractTree;
 
 @FunctionalInterface
 public interface ITreeGen {
-    WorldGenAbstractTree getTreeGen(World world, IBlockState state, boolean massive);
+    WorldGenAbstractTree getTreeGen(World world, BlockState state, boolean massive);
 
     default boolean canGrowMassive() {
         return false;

src/main/java/com/minelittlepony/unicopia/block/SlimeLayerBlock.java

@@ -0,0 +1,43 @@
+package com.minelittlepony.unicopia.block;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.BlockRenderLayer;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Material;
+import net.minecraft.block.MaterialColor;
+import net.minecraft.block.SnowBlock;
+import net.minecraft.entity.Entity;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+public class SlimeLayerBlock extends SnowBlock {
+
+    public SlimeLayerBlock(String domain, String name) {
+        super(FabricBlockSettings.of(Material.CLAY)
+                .sounds(BlockSoundGroup.SLIME)
+                .materialColor(MaterialColor.GRASS)
+                .build()
+        );
+
+        // TODO:
+        // drops Items.SLIME_BALL x1
+        // setCreativeTab(CreativeTabs.DECORATIONS);
+    }
+
+    @Override
+    public BlockRenderLayer getRenderLayer() {
+        return BlockRenderLayer.TRANSLUCENT;
+    }
+
+    @Override
+    public void onSteppedOn(World world, BlockPos pos, Entity entity) {
+        float factor = getMotionFactor(world.getBlockState(pos));
+
+        entity.setVelocity(entity.getVelocity().multiply(factor));
+    }
+
+    protected float getMotionFactor(BlockState state) {
+        return 1/state.get(LAYERS);
+    }
+}

src/main/java/com/minelittlepony/unicopia/block/StickBlock.java

@@ -0,0 +1,81 @@
+package com.minelittlepony.unicopia.block;
+
+import net.fabricmc.fabric.api.block.FabricBlockSettings;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockRenderLayer;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.FarmlandBlock;
+import net.minecraft.block.Material;
+import net.minecraft.entity.EntityContext;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
+import net.minecraft.item.LeadItem;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.util.Hand;
+import net.minecraft.util.hit.BlockHitResult;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+import net.minecraft.world.ViewableWorld;
+import net.minecraft.world.World;
+
+public class StickBlock extends Block {
+
+    static final VoxelShape BOUNDING_BOX = VoxelShapes.cuboid(new Box(
+            7/16F, -1/16F, 7/16F,
+            9/16F, 15/16F, 9/16F
+    ));
+
+    public StickBlock(String domain, String name) {
+        super(FabricBlockSettings.of(Material.PLANT)
+                .noCollision()
+                .strength(0.2F, 0.2F)
+                .ticksRandomly()
+                .lightLevel(1)
+                .sounds(BlockSoundGroup.WOOD)
+                .build()
+        );
+
+        // TODO:
+        // drops Items.STICK x1
+    }
+
+    @Override
+    public BlockRenderLayer getRenderLayer() {
+        return BlockRenderLayer.TRANSLUCENT;
+    }
+
+    @Deprecated
+    @Override
+    public VoxelShape getOutlineShape(BlockState state, BlockView source, BlockPos pos, EntityContext context) {
+        Vec3d off = state.getOffsetPos(source, pos);
+        return BOUNDING_BOX.offset(off.x, off.y, off.z);
+    }
+
+    @Override
+    public Block.OffsetType getOffsetType() {
+        return Block.OffsetType.XZ;
+    }
+
+    @Override
+    public boolean activate(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
+        if (!world.isClient) {
+            return LeadItem.attachHeldMobsToBlock(player, world, pos);
+        }
+
+        ItemStack stack = player.getStackInHand(hand);
+
+        return stack.getItem() == Items.LEAD || stack.isEmpty();
+    }
+
+    @Override
+    public boolean canPlaceAt(BlockState state, ViewableWorld world, BlockPos pos) {
+        Block block = state.getBlock();
+
+        return block instanceof StickBlock || block instanceof FarmlandBlock;
+    }
+}