Added baubles support

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

@@ -0,0 +1,14 @@
+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

@@ -0,0 +1,20 @@
+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

@@ -0,0 +1,60 @@
+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

@@ -0,0 +1,12 @@
+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/main/java/com/minelittlepony/unicopia/Unicopia.java

@@ -43,7 +43,7 @@ import com.minelittlepony.unicopia.world.UWorld;
     modid = Unicopia.MODID,
     name = Unicopia.NAME,
     version = Unicopia.VERSION,
-    dependencies = "required-after:jumpingcastle"
+    dependencies = "required-after:jumpingcastle;after:baubles"
 )
 public class Unicopia implements IGuiHandler {
     public static final String MODID = "unicopia";

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

@@ -8,6 +8,7 @@ import javax.annotation.Nullable;
 
 import com.minelittlepony.jumpingcastle.api.Target;
 import com.minelittlepony.unicopia.entity.EntityFakeClientPlayer;
+import com.minelittlepony.unicopia.extern.MineLP;
 import com.minelittlepony.unicopia.init.UEntities;
 import com.minelittlepony.unicopia.init.UParticles;
 import com.minelittlepony.unicopia.input.Keyboard;

src/main/java/com/minelittlepony/unicopia/extern/BaubleAlicornAmulet.java

@@ -0,0 +1,49 @@
+package com.minelittlepony.unicopia.extern;
+
+import com.minelittlepony.unicopia.item.ItemAlicornAmulet;
+
+import baubles.api.BaubleType;
+import baubles.api.BaublesApi;
+import baubles.api.IBauble;
+import baubles.api.cap.IBaublesItemHandler;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.EntityEquipmentSlot;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.EnumActionResult;
+import net.minecraft.util.EnumHand;
+import net.minecraft.world.World;
+
+public class BaubleAlicornAmulet extends ItemAlicornAmulet implements IBauble {
+
+    public BaubleAlicornAmulet(String domain, String name) {
+        super(domain, name);
+    }
+
+    @Override
+    public BaubleType getBaubleType(ItemStack itemstack) {
+        return BaubleType.AMULET;
+    }
+
+    @Override
+    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
+        ItemStack itemstack = player.getHeldItem(hand);
+        IBaublesItemHandler iplayer = BaublesApi.getBaublesHandler(player);
+
+        for (int slot : getBaubleType(itemstack).getValidSlots()) {
+            if (iplayer.getStackInSlot(slot).isEmpty()) {
+                iplayer.setStackInSlot(slot, itemstack.copy());
+                itemstack.setCount(0);
+
+                return new ActionResult<ItemStack>(EnumActionResult.SUCCESS, itemstack);
+            }
+        }
+
+        return new ActionResult<ItemStack>(EnumActionResult.FAIL, itemstack);
+    }
+
+    @Override
+    public EntityEquipmentSlot getEquipmentSlot() {
+        return EntityEquipmentSlot.MAINHAND;
+    }
+}

src/main/java/com/minelittlepony/unicopia/extern/Baubles.java

@@ -0,0 +1,40 @@
+package com.minelittlepony.unicopia.extern;
+
+import java.util.function.Supplier;
+
+import baubles.api.BaubleType;
+import baubles.api.BaublesApi;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+
+public class Baubles {
+
+    private static boolean checkComplete;
+    private static boolean modIsActive;
+
+    static boolean isModActive() {
+        if (!checkComplete) {
+            checkComplete = true;
+
+            try {
+                modIsActive = BaubleType.AMULET.getValidSlots().length > 0;
+            } catch (Exception e) {
+                modIsActive = false;
+            }
+        }
+
+        return modIsActive;
+    }
+
+    public static <T> T ifActiveElseGet(Supplier<T> yes, Supplier<T> no) {
+        return (isModActive() ? yes : no).get();
+    }
+
+    public static int isBaubleEquipped(EntityPlayer player, Item bauble) {
+        if (isModActive()) {
+            return BaublesApi.isBaubleEquipped(player, bauble);
+        }
+
+        return -1;
+    }
+}

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

@@ -1,8 +1,9 @@
-package com.minelittlepony.unicopia;
+package com.minelittlepony.unicopia.extern;
 
 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;
 

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

@@ -53,6 +53,8 @@ import com.minelittlepony.unicopia.edibles.FlowerToxicityDeterminent;
 import com.minelittlepony.unicopia.edibles.ItemEdible;
 import com.minelittlepony.unicopia.edibles.Toxicity;
 import com.minelittlepony.unicopia.edibles.UItemFoodDelegate;
+import com.minelittlepony.unicopia.extern.BaubleAlicornAmulet;
+import com.minelittlepony.unicopia.extern.Baubles;
 import com.minelittlepony.unicopia.forgebullshit.BuildInTexturesBakery;
 import com.minelittlepony.unicopia.forgebullshit.ItemModels;
 import com.minelittlepony.unicopia.forgebullshit.OreReplacer;
@@ -110,7 +112,9 @@ public class UItems {
     public static final ItemSpell curse = new ItemCurse(Unicopia.MODID, "corrupted_gem");
 
     public static final ItemOfHolding bag_of_holding = new ItemOfHolding(Unicopia.MODID, "bag_of_holding");
-    public static final ItemAlicornAmulet alicorn_amulet = new ItemAlicornAmulet(Unicopia.MODID, "alicorn_amulet");
+    public static final ItemAlicornAmulet alicorn_amulet = Baubles.ifActiveElseGet(
+            () -> new BaubleAlicornAmulet(Unicopia.MODID, "alicorn_amulet"),
+            () -> new ItemAlicornAmulet(Unicopia.MODID, "alicorn_amulet"));
 
     public static final ItemSpellbook spellbook = new ItemSpellbook(Unicopia.MODID, "spellbook");
     public static final Item staff_meadow_brook = new ItemStaff(Unicopia.MODID, "staff_meadow_brook").setMaxDamage(2);

src/main/java/com/minelittlepony/unicopia/item/ItemAlicornAmulet.java

@@ -28,6 +28,7 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.DamageSource;
+import net.minecraft.util.EnumActionResult;
 import net.minecraft.util.EnumHand;
 import net.minecraft.util.EnumParticleTypes;
 import net.minecraft.util.SoundCategory;
@@ -99,9 +100,13 @@ public class ItemAlicornAmulet extends ItemArmor implements IDependable {
         if (!player.world.isRemote && !entity.isDead) {
             if (player.getPositionVector().distanceTo(entity.getPositionVector()) < 3) {
                if (entity.world.rand.nextInt(150) == 0) {
-                    player.setItemStackToSlot(getEquipmentSlot(), entity.getItem());
-                    entity.setPickupDelay(1000);
-                    entity.setDead();
+
+                   ActionResult<ItemStack> result = onItemRightClick(player.world, player, EnumHand.MAIN_HAND);
+
+                   if (result.getType() == EnumActionResult.SUCCESS) {
+                       entity.setPickupDelay(1000);
+                       entity.setDead();
+                   }
                }
             }
         }
@@ -213,15 +218,6 @@ public class ItemAlicornAmulet extends ItemArmor implements IDependable {
         }
     }
 
-    @Override
-    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand) {
-        ActionResult<ItemStack> result = super.onItemRightClick(world, player, hand);
-
-
-
-        return result;
-    }
-
     @Override
     public Multimap<String, AttributeModifier> getItemAttributeModifiers(EntityEquipmentSlot equipmentSlot) {
         Multimap<String, AttributeModifier> multimap = HashMultimap.create();;

src/main/java/com/minelittlepony/unicopia/player/PlayerInventory.java

@@ -4,6 +4,7 @@ import java.util.Iterator;
 import java.util.Map;
 
 import com.google.common.collect.Maps;
+import com.minelittlepony.unicopia.extern.Baubles;
 import com.minelittlepony.unicopia.item.IDependable;
 import com.minelittlepony.unicopia.item.IMagicalItem;
 import com.minelittlepony.unicopia.util.serialisation.InbtSerialisable;
@@ -75,7 +76,7 @@ public class PlayerInventory implements IInventory, IUpdatable, InbtSerialisable
             }
         }
 
-        return false;
+        return item instanceof Item && Baubles.isBaubleEquipped(player.getOwner(), (Item)item) != -1;
     }
 
     @Override