Add the ability to change the species whitelist from the settings screen

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

@@ -15,6 +15,8 @@ import com.minelittlepony.unicopia.ability.magic.Affine;
 import com.minelittlepony.unicopia.item.toxin.FoodType;
 
 import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.text.Text;
+import net.minecraft.text.TranslatableText;
 import net.minecraft.util.Identifier;
 
 public enum Race implements Affine {
@@ -96,6 +98,10 @@ public enum Race implements Affine {
         return canFly() && this != CHANGELING && this != BAT;
     }
 
+    public Text getDisplayName() {
+        return new TranslatableText(getTranslationKey());
+    }
+
     public String getTranslationKey() {
         return String.format("unicopia.race.%s", name().toLowerCase());
     }

src/main/java/com/minelittlepony/unicopia/client/MineLPConnector.java

@@ -8,7 +8,7 @@ import net.minecraft.client.MinecraftClient;
 
 public final class MineLPConnector {
     public static Race getPlayerPonyRace() {
-        if (!FabricLoader.getInstance().isModLoaded("minelp")) {
+        if (!FabricLoader.getInstance().isModLoaded("minelp") || MinecraftClient.getInstance().player == null) {
             return Race.HUMAN;
         }
 

src/main/java/com/minelittlepony/unicopia/client/gui/SettingsScreen.java

@@ -1,32 +1,55 @@
 package com.minelittlepony.unicopia.client.gui;
 
+import java.util.Set;
+
+import javax.annotation.Nullable;
+
 import com.minelittlepony.common.client.gui.GameGui;
 import com.minelittlepony.common.client.gui.ScrollContainer;
+import com.minelittlepony.common.client.gui.dimension.Bounds;
 import com.minelittlepony.common.client.gui.element.Button;
 import com.minelittlepony.common.client.gui.element.Cycler;
 import com.minelittlepony.common.client.gui.element.EnumSlider;
 import com.minelittlepony.common.client.gui.element.Label;
 import com.minelittlepony.common.client.gui.element.Toggle;
+import com.minelittlepony.common.client.gui.packing.GridPacker;
+import com.minelittlepony.common.client.gui.sprite.TextureSprite;
+import com.minelittlepony.common.client.gui.style.Style;
 import com.minelittlepony.unicopia.Config;
 import com.minelittlepony.unicopia.Race;
 import com.minelittlepony.unicopia.Unicopia;
 import com.minelittlepony.unicopia.WorldTribeManager;
+import com.minelittlepony.unicopia.client.MineLPConnector;
 
+import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.screen.Screen;
-import net.minecraft.client.resource.language.I18n;
 import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.server.integrated.IntegratedServer;
 import net.minecraft.server.world.ServerWorld;
+import net.minecraft.text.Text;
 import net.minecraft.text.TranslatableText;
+import net.minecraft.util.Formatting;
 import net.minecraft.util.math.MathHelper;
 
 public class SettingsScreen extends GameGui {
 
+    private static final GridPacker WHITELIST_GRID_PACKER = new GridPacker()
+            .setItemSpacing(25)
+            .setListWidth(200)
+            .setItemWidth(30)
+            .setItemHeight(0);
+
     private final Config config = Unicopia.getConfig();
 
     private final ScrollContainer content = new ScrollContainer();
 
+    @Nullable
+    private Style mineLpStatus;
+
+    private boolean forceShowWhitelist;
+    private boolean forceHideWhitelist;
+
     public SettingsScreen(Screen parent) {
         super(new TranslatableText("unicopia.options.title"), parent);
 
@@ -48,8 +71,18 @@ public class SettingsScreen extends GameGui {
 
         IntegratedServer server = client.getServer();
 
-        boolean canOpenLan = client.isIntegratedServerRunning() && !client.getServer().isRemote();
+        // In game
-        boolean singleColumn = server == null || LEFT < 0 || canOpenLan;
+        //      Singleplayer server != null && !server.isRemote();
+        //      Lan (hosting) server != null && server.isRemote();
+        //      Multiplayer server == null
+        // Out of game
+        //      server == null
+
+        final boolean showLanOptions = server == null || server.isRemote();
+
+        final boolean canEditWhitelist = client.world == null || server != null && server.isRemote();
+
+        boolean singleColumn = LEFT < 0 || !showLanOptions;
 
         if (singleColumn) {
             LEFT = content.width / 2 - 100;
@@ -67,13 +100,22 @@ public class SettingsScreen extends GameGui {
                 .setText("gui.done");
 
         content.addButton(new Label(LEFT, row)).getStyle().setText("unicopia.options.client");
+
         content.addButton(new Toggle(LEFT, row += 20, config.ignoreMineLP.get()))
-                .onChange(config.ignoreMineLP::set)
+                .onChange(v -> {
+                    config.ignoreMineLP.set(v);
+                    if (mineLpStatus != null) {
+                        mineLpStatus.setText(getMineLPStatus());
+                    }
+                    return v;
+                })
                 .getStyle().setText("unicopia.options.ignore_mine_lp");
 
-        content.addButton(new EnumSlider<>(LEFT, row += 20, config.preferredRace.get()))
+        mineLpStatus = content.addButton(new Label(LEFT, row += 10)).getStyle().setText(getMineLPStatus());
+
+        content.addButton(new EnumSlider<>(LEFT, row += 25, config.preferredRace.get()))
                 .onChange(config.preferredRace::set)
-                .setFormatter(v -> I18n.translate("unicopia.options.preferred_race", v));
+                .setFormatter(v -> new TranslatableText("unicopia.options.preferred_race", v.getDisplayName()).getString());
 
         if (server != null) {
             row += 20;
@@ -83,9 +125,11 @@ public class SettingsScreen extends GameGui {
 
             content.addButton(new EnumSlider<>(LEFT, row += 20, tribes.getDefaultRace()))
                     .onChange(tribes::setDefaultRace)
-                    .setFormatter(v -> I18n.translate("unicopia.options.world.default_race", v))
+                    .setFormatter(v -> new TranslatableText("unicopia.options.world.default_race", v.getDisplayName()).getString())
                     .setEnabled(client.isInSingleplayer());
+        }
 
+        if (showLanOptions) {
             if (RIGHT != LEFT) {
                 row = 0;
             } else {
@@ -93,8 +137,62 @@ public class SettingsScreen extends GameGui {
             }
 
             content.addButton(new Label(RIGHT, row)).getStyle().setText("unicopia.options.lan");
+
+            Set<Race> whitelist = config.speciesWhiteList.get();
+            boolean whitelistEnabled = (forceShowWhitelist || !whitelist.isEmpty()) && !forceHideWhitelist;
+
+            content.addButton(new Toggle(RIGHT, row += 20, whitelistEnabled))
+                .onChange(v -> {
+                    forceShowWhitelist = v;
+                    forceHideWhitelist = !v;
+                    init();
+                    return v;
+                })
+                .setEnabled(canEditWhitelist)
+                .getStyle().setText("unicopia.options.whitelist");
+
+            if (whitelistEnabled) {
+
+                content.addButton(new Label(RIGHT, row += 20)).getStyle().setText(new TranslatableText("unicopia.options.whitelist.details").formatted(Formatting.DARK_GREEN));
+
+                row += 20;
+                WHITELIST_GRID_PACKER.start();
+
+                for (Race race : Race.values()) {
+                    if (!race.isDefault()) {
+                        Bounds bound = WHITELIST_GRID_PACKER.next();
+
+                        Button button = content.addButton(new Toggle(RIGHT + bound.left + 10, row + bound.top, whitelist.contains(race)))
+                            .onChange(v -> {
+                                if (v) {
+                                    whitelist.add(race);
+                                } else {
+                                    whitelist.remove(race);
+                                }
+                                return v;
+                            })
+                            .setEnabled(canEditWhitelist)
+                            .setStyle(race.getStyle());
+
+                        ((TextureSprite)button.getStyle().getIcon()).setPosition(-20, 0);
+                    }
+                }
+            }
+        }
+    }
+
+    private Text getMineLPStatus() {
+        final boolean hasMineLP = FabricLoader.getInstance().isModLoaded("minelp");
+
+        if (hasMineLP) {
+            if (config.ignoreMineLP.get()) {
+                return new TranslatableText("unicopia.options.ignore_mine_lp.undetected").formatted(Formatting.DARK_GREEN);
+            }
+
+            return new TranslatableText("unicopia.options.ignore_mine_lp.detected", MineLPConnector.getPlayerPonyRace().getDisplayName()).formatted(Formatting.GREEN);
         }
 
+        return new TranslatableText("unicopia.options.ignore_mine_lp.missing").formatted(Formatting.RED);
     }
 
     @Override
@@ -106,6 +204,9 @@ public class SettingsScreen extends GameGui {
 
     @Override
     public void removed() {
+        if (forceHideWhitelist) {
+            config.speciesWhiteList.get().clear();
+        }
         config.save();
     }
 

src/main/java/com/minelittlepony/unicopia/entity/effect/RaceChangeStatusEffect.java

@@ -140,8 +140,8 @@ public class RaceChangeStatusEffect extends StatusEffect {
             return String.format("unicopia.effect.tribe.stage.%s", name().toLowerCase());
         }
 
-        public Text getMessage(Race species) {
+        public Text getMessage(Race race) {
-            return new TranslatableText(getTranslationKey(), new TranslatableText(species.getTranslationKey()));
+            return new TranslatableText(getTranslationKey(), race.getDisplayName());
         }
     }
 

src/main/resources/assets/unicopia/lang/en_us.json

@@ -221,7 +221,13 @@
 
   "unicopia.options.title": "Unicopia Options",
   "unicopia.options.ignore_mine_lp": "Ignore Mine Little Pony",
+  "unicopia.options.ignore_mine_lp.missing": "* Mine Little Pony is not installed",
+  "unicopia.options.ignore_mine_lp.detected": "* Your detected race is %s",
+  "unicopia.options.ignore_mine_lp.undetected": "* We will not use your detected race",
   "unicopia.options.preferred_race": "Preferred Race: %s",
+  "unicopia.options.whitelist": "Enable Whitelist",
+  "unicopia.options.whitelist.race": "Allow %ss",
+  "unicopia.options.whitelist.details": "* Select the races you wish to allow",
   "unicopia.options.client": "Client Settings",
   "unicopia.options.world": "World Settings",
   "unicopia.options.world.default_race": "Default Race: %s",