Added buckets, bottles, and mugs full of love + Changelings can now collect love from the crystal heart

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

@@ -1,12 +1,11 @@
 package com.minelittlepony.unicopia.item;
 
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
+import java.util.function.Supplier;
 
-import com.minelittlepony.unicopia.USounds;
-import com.minelittlepony.unicopia.UTags;
-import com.minelittlepony.unicopia.entity.FloatingArtefactEntity;
-import com.minelittlepony.unicopia.entity.UEntities;
+import com.google.common.base.Suppliers;
+import com.minelittlepony.unicopia.*;
+import com.minelittlepony.unicopia.entity.*;
 import com.minelittlepony.unicopia.entity.FloatingArtefactEntity.State;
 import com.minelittlepony.unicopia.particle.FollowingParticleEffect;
 import com.minelittlepony.unicopia.particle.ParticleUtils;
@@ -16,17 +15,11 @@ import com.minelittlepony.unicopia.util.VecHelper;
 
 import net.minecraft.block.BlockState;
 import net.minecraft.block.EndRodBlock;
-import net.minecraft.entity.LivingEntity;
-import net.minecraft.entity.Saddleable;
-import net.minecraft.entity.SpawnGroup;
-import net.minecraft.entity.SpawnReason;
+import net.minecraft.entity.*;
 import net.minecraft.entity.mob.MobEntity;
 import net.minecraft.entity.passive.TameableEntity;
 import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemPlacementContext;
-import net.minecraft.item.ItemStack;
-import net.minecraft.item.ItemUsageContext;
+import net.minecraft.item.*;
 import net.minecraft.particle.ParticleTypes;
 import net.minecraft.predicate.entity.EntityPredicates;
 import net.minecraft.server.world.ServerWorld;
@@ -38,6 +31,28 @@ import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 
 public class CrystalHeartItem extends Item implements FloatingArtefactEntity.Artifact {
+    private static final Supplier<Map<Item, Item>> ITEM_MAP = Suppliers.memoize(() -> {
+        return Map.of(
+                Items.BUCKET, UItems.LOVE_BUCKET,
+                Items.GLASS_BOTTLE, UItems.LOVE_BOTTLE,
+                UItems.MUG, UItems.LOVE_MUG
+        );
+    });
+
+    private static boolean isFillable(ItemStack stack) {
+        return ITEM_MAP.get().containsKey(stack.getItem());
+    }
+
+    private static ItemStack fill(ItemStack stack) {
+        Item item = ITEM_MAP.get().getOrDefault(stack.getItem(), stack.getItem());
+        if (item == stack.getItem()) {
+            return stack;
+        }
+        ItemStack newStack = item.getDefaultStack();
+        newStack.setNbt(stack.getNbt());
+        newStack.setCount(stack.getCount());
+        return newStack;
+    }
 
     public CrystalHeartItem(Settings settings) {
         super(settings);
@@ -55,16 +70,16 @@ public class CrystalHeartItem extends Item implements FloatingArtefactEntity.Art
             return ActionResult.FAIL;
         }
 
-        if (world instanceof ServerWorld) {
+        if (world instanceof ServerWorld serverWorld) {
 
-            FloatingArtefactEntity entity = UEntities.FLOATING_ARTEFACT.create((ServerWorld)world, context.getStack().getNbt(), null, context.getPlayer(), blockPos, SpawnReason.SPAWN_EGG, false, true);
+            FloatingArtefactEntity entity = UEntities.FLOATING_ARTEFACT.create(serverWorld, context.getStack().getNbt(), null, context.getPlayer(), blockPos, SpawnReason.SPAWN_EGG, false, true);
 
             if (entity == null) {
                 return ActionResult.FAIL;
             }
 
             entity.setStack(context.getStack().split(1));
-            ((ServerWorld)world).spawnEntityAndPassengers(entity);
+            serverWorld.spawnEntityAndPassengers(entity);
 
             entity.playSound(USounds.ENTITY_CRYSTAL_HEART_ACTIVATE, 0.75F, 0.8F);
         } else {
@@ -98,6 +113,7 @@ public class CrystalHeartItem extends Item implements FloatingArtefactEntity.Art
             if (entity.world.getTime() % 80 == 0 && !entity.world.isClient) {
                 List<LivingEntity> inputs = new ArrayList<>();
                 List<LivingEntity> outputs = new ArrayList<>();
+                List<ItemEntity> containers = new ArrayList<>();
 
                 VecHelper.findInRange(entity, entity.world, entity.getPos(), 20, EntityPredicates.EXCEPT_CREATIVE_OR_SPECTATOR.and(e -> !e.isRemoved() && (e instanceof PlayerEntity || e instanceof MobEntity))).forEach(e -> {
                     LivingEntity living = (LivingEntity)e;
@@ -112,8 +128,11 @@ public class CrystalHeartItem extends Item implements FloatingArtefactEntity.Art
                         inputs.add(living);
                     }
                 });
+                VecHelper.findInRange(entity, entity.world, entity.getPos(), 20, i -> {
+                    return i instanceof ItemEntity ie && isFillable(ie.getStack()) && PonyContainer.of(i).filter(p -> p.get().getSpecies() == Race.CHANGELING).isPresent();
+                }).forEach(i -> containers.add((ItemEntity)i));
 
-                int demand = outputs.size();
+                int demand = outputs.size() + containers.stream().mapToInt(i -> i.getStack().getCount()).sum();
                 int supply = inputs.size();
 
                 if (demand == 0 || supply == 0) {
@@ -142,6 +161,10 @@ public class CrystalHeartItem extends Item implements FloatingArtefactEntity.Art
                     ParticleUtils.spawnParticles(new FollowingParticleEffect(UParticles.HEALTH_DRAIN, output, 0.2F), entity, 1);
                     output.heal(gives);
                 });
+                containers.forEach(container -> {
+                    ParticleUtils.spawnParticles(new FollowingParticleEffect(UParticles.HEALTH_DRAIN, container, 0.2F), entity, 1);
+                    container.setStack(fill(container.getStack()));
+                });
 
                 entity.addSpin(gives > 0 ? 20 : 10, 30);
             }

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

@@ -25,12 +25,12 @@ public class DrinkableItem extends Item {
             serverPlayerEntity.incrementStat(Stats.USED.getOrCreateStat(this));
         }
 
+        ((ToxicHolder)this).getToxic(stack).finishUsing(stack, world, user);
+
         if (user instanceof PlayerEntity && !((PlayerEntity)user).getAbilities().creativeMode) {
             stack.decrement(1);
         }
 
-        ((ToxicHolder)this).getToxic(stack).finishUsing(stack, world, user);
-
         return stack.isEmpty() ? new ItemStack(getRecipeRemainder()) : stack;
     }
 

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

@@ -36,7 +36,7 @@ public interface UItemGroups {
     ItemGroup UNICORN_ITEMS = forTag("unicorn", UItems.SPELLBOOK::getDefaultStack);
     ItemGroup PEGASUS_ITEMS = forTag("pegasus", UItems.PEGASUS_FEATHER::getDefaultStack);
     ItemGroup BAT_PONY_ITEMS = forTag("bat_pony", UItems.SUNGLASSES::getDefaultStack);
-    ItemGroup CHANGELING_ITEMS = forTag("changeling", Items.SCULK_SHRIEKER::getDefaultStack);
+    ItemGroup CHANGELING_ITEMS = forTag("changeling", UItems.LOVE_BOTTLE::getDefaultStack);
 
     static ItemGroup forTag(String name, Supplier<ItemStack> icon) {
         TagKey<Item> key = UTags.item("groups/" + name);

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

@@ -86,6 +86,10 @@ public interface UItems {
     Item APPLE_PIE = register("apple_pie", new BlockItem(UBlocks.APPLE_PIE, new Item.Settings().group(ItemGroup.FOOD).maxCount(1)));
     Item APPLE_PIE_SLICE = register("apple_pie_slice", new Item(new Item.Settings().group(ItemGroup.FOOD).maxCount(16).food(UFoodComponents.PIE)));
 
+    Item LOVE_BOTTLE = register("love_bottle", new DrinkableItem(new Item.Settings().group(ItemGroup.FOOD).food(UFoodComponents.LOVE_BOTTLE).maxCount(1).recipeRemainder(Items.GLASS_BOTTLE)));
+    Item LOVE_BUCKET = register("love_bucket", new DrinkableItem(new Item.Settings().group(ItemGroup.FOOD).food(UFoodComponents.LOVE_BUCKET).recipeRemainder(Items.BUCKET)));
+    Item LOVE_MUG = register("love_mug", new DrinkableItem(new Item.Settings().group(ItemGroup.FOOD).food(UFoodComponents.LOVE_MUG).recipeRemainder(MUG)));
+
     Item GOLDEN_FEATHER = register("golden_feather", new Item(new Item.Settings().rarity(Rarity.UNCOMMON).group(ItemGroup.MATERIALS)));
     Item GOLDEN_WING = register("golden_wing", new Item(new Item.Settings().rarity(Rarity.UNCOMMON).group(ItemGroup.MATERIALS)));
 

src/main/java/com/minelittlepony/unicopia/item/toxin/Toxics.java

@@ -100,7 +100,9 @@ public interface Toxics {
             .with(Race.BAT, Ailment.INNERT)
     );
 
-    Toxic LOVE = register("love", new Toxic.Builder(Ailment.INNERT));
+    Toxic LOVE = register("love", new Toxic.Builder(Ailment.INNERT)
+            .with(Race.CHANGELING, of(Toxicity.SAFE, Toxin.LOVE_CONSUMPTION))
+    );
 
     static void bootstrap() {}
 

src/main/java/com/minelittlepony/unicopia/item/toxin/Toxin.java

@@ -40,6 +40,14 @@ public interface Toxin extends Affliction {
         player.getHungerManager().add(-food.getHunger()/2, -food.getSaturationModifier()/2);
     }).and(STRONG_NAUSEA).and(IF_NOT_PEACEFUL.then(WEAK_FOOD_POISONING.withChance(20))).and(WEAKNESS);
 
+    Toxin LOVE_CONSUMPTION = of(Text.literal("love"), (player, stack) -> {
+        player.heal(stack.isFood() ? stack.getItem().getFoodComponent().getHunger() : 1);
+        player.removeStatusEffect(StatusEffects.NAUSEA);
+        if (player.world.random.nextInt(10) == 0) {
+            player.removeStatusEffect(UEffects.FOOD_POISONING);
+        }
+    });
+
     default void appendTooltip(List<Text> tooltip) {
         tooltip.add(getName());
     }

src/main/java/com/minelittlepony/unicopia/item/toxin/UFoodComponents.java

@@ -35,6 +35,10 @@ public interface UFoodComponents {
             .statusEffect(new StatusEffectInstance(StatusEffects.BAD_OMEN, 100, 0), 0.6F)
             .build();
 
+    FoodComponent LOVE_BOTTLE = builder(2, 0.125F).alwaysEdible().snack().build();
+    FoodComponent LOVE_MUG = builder(4, 0.125F).snack().build();
+    FoodComponent LOVE_BUCKET = builder(8, 0.125F).build();
+
     static FoodComponent.Builder builder(int hunger, float saturation) {
         return new FoodComponent.Builder()
                 .hunger(hunger)

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

@@ -32,6 +32,10 @@
   "item.unicopia.cooked_zap_apple": "Cooked Zap Apple",
   "item.unicopia.zap_apple": "Zap Apple",
   "item.unicopia.zap_bulb": "Unripened Zap Apple",
+  
+  "item.unicopia.love_bottle": "Bottle o' Love",
+  "item.unicopia.love_bucket": "Love Bucket",
+  "item.unicopia.love_mug": "Mug o' Love",
 
   "item.unicopia.empty_jar": "Glass Jar",
   "item.unicopia.filled_jar": "%s in a Jar",

src/main/resources/assets/unicopia/models/item/love_bottle.json

@@ -0,0 +1,6 @@
+{
+    "parent": "unicopia:item/mug",
+    "textures": {
+        "layer0": "unicopia:item/love_bottle"
+    }
+}

src/main/resources/assets/unicopia/models/item/love_bucket.json

@@ -0,0 +1,6 @@
+{
+    "parent": "unicopia:item/mug",
+    "textures": {
+        "layer0": "unicopia:item/love_bucket"
+    }
+}

src/main/resources/assets/unicopia/models/item/love_mug.json

@@ -0,0 +1,6 @@
+{
+    "parent": "unicopia:item/mug",
+    "textures": {
+        "layer0": "unicopia:item/love_mug"
+    }
+}

src/main/resources/data/unicopia/tags/items/food_types/love.json

@@ -0,0 +1,8 @@
+{
+  "replace": false,
+  "values": [
+    "unicopia:love_bottle",
+    "unicopia:love_bucket",
+    "unicopia:love_mug"
+  ]
+}

src/main/resources/data/unicopia/tags/items/groups/changeling.json

@@ -4,6 +4,7 @@
     "#unicopia:food_types/cooked_meat",
     "#unicopia:food_types/raw_meat",
     "#unicopia:food_types/raw_insect",
-    "#unicopia:food_types/rotten_meat"
+    "#unicopia:food_types/rotten_meat",
+    "#unicopia:food_types/love"
   ]
 }

src/main/resources/data/unicopia/tags/items/groups/earth_pony.json

@@ -1,6 +1,14 @@
 {
   "replace": false,
   "values": [
+    "unicopia:green_apple_leaves",
+    "unicopia:sweet_apple_leaves",
+    "unicopia:sour_apple_leaves",
+    "unicopia:zap_leaves",
+    "unicopia:zap_log",
+    "unicopia:zap_wood",
+    "unicopia:stripped_zap_log",
+    "unicopia:stripped_zap_wood",
     "minecraft:apple",
     "unicopia:green_apple",
     "unicopia:sweet_apple",
@@ -8,6 +16,9 @@
     "unicopia:zap_apple",
     "unicopia:zap_bulb",
     "unicopia:rotten_apple",
+    "unicopia:green_apple_seeds",
+    "unicopia:sweet_apple_seeds",
+    "unicopia:sour_apple_seeds",
     "unicopia:empty_jar",
     "unicopia:cooked_zap_apple",
     "unicopia:zap_apple_jam_jar",
@@ -24,9 +35,6 @@
     "unicopia:rock",
     "unicopia:weird_rock",
     "unicopia:rock_stew",
-    "unicopia:green_apple_seeds",
-    "unicopia:sweet_apple_seeds",
-    "unicopia:sour_apple_seeds",
     "unicopia:mug",
     "unicopia:cider",
     "unicopia:juice",