added the animal effect

src/main/java/de/ellpeck/naturesaura/ModConfig.java

@@ -46,6 +46,8 @@ public final class ModConfig {
         public boolean explosionEffect = true;
         @Comment("If the Aura Imbalance effect of breathlessness if Aura levels are too low should occur")
         public boolean breathlessEffect = true;
+        @Comment("If the Aura Imbalance effect of farm animals being affected in positive ways if Aura levels are too high should occur")
+        public boolean animalEffect = true;
     }
 
     public static class Client {

src/main/java/de/ellpeck/naturesaura/chunk/effect/AnimalEffect.java

@@ -0,0 +1,118 @@
+package de.ellpeck.naturesaura.chunk.effect;
+
+import de.ellpeck.naturesaura.ModConfig;
+import de.ellpeck.naturesaura.NaturesAura;
+import de.ellpeck.naturesaura.api.NaturesAuraAPI;
+import de.ellpeck.naturesaura.api.aura.chunk.IAuraChunk;
+import de.ellpeck.naturesaura.api.aura.chunk.IDrainSpotEffect;
+import de.ellpeck.naturesaura.api.aura.type.IAuraType;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.entity.passive.EntityAnimal;
+import net.minecraft.entity.passive.EntityChicken;
+import net.minecraft.item.ItemEgg;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumParticleTypes;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.world.World;
+import net.minecraft.world.chunk.Chunk;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Optional;
+
+public class AnimalEffect implements IDrainSpotEffect {
+
+    public static final ResourceLocation NAME = new ResourceLocation(NaturesAura.MOD_ID, "animal");
+
+    @Override
+    public void update(World world, Chunk chunk, IAuraChunk auraChunk, BlockPos pos, Integer spot) {
+        if (spot <= 0)
+            return;
+        int aura = IAuraChunk.getAuraInArea(world, pos, 30);
+        if (aura < 15000)
+            return;
+        int chance = Math.min(50, Math.abs(aura) / 5000);
+        if (chance <= 0)
+            return;
+        int dist = MathHelper.clamp(Math.abs(aura) / 1500, 5, 35);
+        AxisAlignedBB bb = new AxisAlignedBB(pos).grow(dist);
+
+        List<EntityAnimal> animals = world.getEntitiesWithinAABB(EntityAnimal.class, bb);
+        if (animals.size() >= 40)
+            return;
+
+        if (world.getTotalWorldTime() % 200 == 0) {
+            List<EntityItem> items = world.getEntitiesWithinAABB(EntityItem.class, bb);
+            for (EntityItem item : items) {
+                if (item.isDead)
+                    continue;
+                if (NaturesAuraAPI.instance().isEffectPowderActive(world, item.getPosition(), NAME, 35))
+                    continue;
+
+                ItemStack stack = item.getItem();
+                if (!(stack.getItem() instanceof ItemEgg) || item.getAge() < item.lifespan / 2)
+                    continue;
+
+                stack.shrink(1);
+                if (stack.isEmpty())
+                    item.setDead();
+
+                EntityChicken chicken = new EntityChicken(world);
+                chicken.setGrowingAge(-24000);
+                chicken.setPosition(item.posX, item.posY, item.posZ);
+                world.spawnEntity(chicken);
+
+                BlockPos closestSpot = IAuraChunk.getHighestSpot(world, item.getPosition(), 35, pos);
+                IAuraChunk.getAuraChunk(world, closestSpot).drainAura(closestSpot, 150);
+            }
+        }
+
+        if (world.rand.nextInt(200) <= chance) {
+            if (animals.size() < 2)
+                return;
+            EntityAnimal first = animals.get(world.rand.nextInt(animals.size()));
+            if (first.isChild() || first.isInLove())
+                return;
+            if (NaturesAuraAPI.instance().isEffectPowderActive(world, first.getPosition(), NAME, 35))
+                return;
+
+            Optional<EntityAnimal> secondOptional = animals.stream()
+                    .filter(e -> e != first && !e.isInLove() && !e.isChild())
+                    .min(Comparator.comparingDouble(e -> e.getDistanceSq(first)));
+            if (!secondOptional.isPresent())
+                return;
+            EntityAnimal second = secondOptional.get();
+
+            this.setInLove(first);
+            this.setInLove(second);
+
+            BlockPos closestSpot = IAuraChunk.getHighestSpot(world, first.getPosition(), 35, pos);
+            IAuraChunk.getAuraChunk(world, closestSpot).drainAura(closestSpot, 200);
+        }
+    }
+
+    private void setInLove(EntityAnimal animal) {
+        animal.setInLove(null);
+        for (int j = 0; j < 7; j++)
+            animal.world.spawnParticle(EnumParticleTypes.HEART,
+                    (animal.posX + (double) (animal.world.rand.nextFloat() * animal.width * 2.0F)) - animal.width,
+                    animal.posY + 0.5D + (double) (animal.world.rand.nextFloat() * animal.height),
+                    (animal.posZ + (double) (animal.world.rand.nextFloat() * animal.width * 2.0F)) - animal.width,
+                    animal.world.rand.nextGaussian() * 0.02D,
+                    animal.world.rand.nextGaussian() * 0.02D,
+                    animal.world.rand.nextGaussian() * 0.02D);
+    }
+
+    @Override
+    public boolean appliesHere(Chunk chunk, IAuraChunk auraChunk, IAuraType type) {
+        return ModConfig.enabledFeatures.animalEffect;
+    }
+
+    @Override
+    public ResourceLocation getName() {
+        return NAME;
+    }
+}

src/main/java/de/ellpeck/naturesaura/chunk/effect/DrainSpotEffects.java

@@ -13,8 +13,10 @@ public final class DrainSpotEffects {
         NaturesAuraAPI.DRAIN_SPOT_EFFECTS.put(BreathlessEffect.NAME, BreathlessEffect::new);
         NaturesAuraAPI.DRAIN_SPOT_EFFECTS.put(SpreadEffect.NAME, SpreadEffect::new);
         NaturesAuraAPI.DRAIN_SPOT_EFFECTS.put(CacheRechargeEffect.NAME, CacheRechargeEffect::new);
+        NaturesAuraAPI.DRAIN_SPOT_EFFECTS.put(AnimalEffect.NAME, AnimalEffect::new);
 
         NaturesAuraAPI.EFFECT_POWDERS.put(PlantBoostEffect.NAME, 0xc2f442);
         NaturesAuraAPI.EFFECT_POWDERS.put(CacheRechargeEffect.NAME, 0x1fb0d1);
+        NaturesAuraAPI.EFFECT_POWDERS.put(AnimalEffect.NAME, 0xba1010);
     }
 }

src/main/java/de/ellpeck/naturesaura/chunk/effect/PlantBoostEffect.java

@@ -51,7 +51,7 @@ public class PlantBoostEffect implements IDrainSpotEffect {
                         growable.grow(world, world.rand, plantPos, state);
 
                         BlockPos closestSpot = IAuraChunk.getHighestSpot(world, plantPos, 25, pos);
-                        IAuraChunk.getAuraChunk(world, closestSpot).drainAura(closestSpot, 100);
+                        IAuraChunk.getAuraChunk(world, closestSpot).drainAura(closestSpot, 200);
 
                         PacketHandler.sendToAllAround(world, plantPos, 32,
                                 new PacketParticles(plantPos.getX(), plantPos.getY(), plantPos.getZ(), 6));

src/main/java/de/ellpeck/naturesaura/recipes/ModRecipes.java

@@ -9,6 +9,7 @@ import de.ellpeck.naturesaura.api.recipes.TreeRitualRecipe;
 import de.ellpeck.naturesaura.api.recipes.ing.AmountIngredient;
 import de.ellpeck.naturesaura.api.recipes.ing.NBTIngredient;
 import de.ellpeck.naturesaura.blocks.ModBlocks;
+import de.ellpeck.naturesaura.chunk.effect.AnimalEffect;
 import de.ellpeck.naturesaura.chunk.effect.CacheRechargeEffect;
 import de.ellpeck.naturesaura.chunk.effect.PlantBoostEffect;
 import de.ellpeck.naturesaura.items.ItemAuraBottle;
@@ -81,6 +82,13 @@ public final class ModRecipes {
                 Helper.blockIng(ModBlocks.GOLD_POWDER),
                 Ingredient.fromItem(ModItems.SKY_INGOT),
                 Ingredient.fromItem(ModItems.AURA_CACHE)).register();
+        new TreeRitualRecipe(new ResourceLocation(NaturesAura.MOD_ID, "animal_powder"),
+                Ingredient.fromStacks(new ItemStack(Blocks.SAPLING, 1, 3)),
+                ItemEffectPowder.setEffect(new ItemStack(ModItems.EFFECT_POWDER), AnimalEffect.NAME), 400,
+                Helper.blockIng(ModBlocks.GOLD_POWDER),
+                Helper.blockIng(ModBlocks.GOLD_POWDER),
+                Ingredient.fromItem(ModItems.SKY_INGOT),
+                Ingredient.fromItem(Items.EGG)).register();
 
         new AltarRecipe(new ResourceLocation(NaturesAura.MOD_ID, "infused_iron"),
                 Ingredient.fromItem(Items.IRON_INGOT), new ItemStack(ModItems.INFUSED_IRON),

src/main/resources/assets/naturesaura/lang/en_US.lang

@@ -65,6 +65,7 @@ item.naturesaura.infused_iron_pants.name=Botanist's Leggings
 item.naturesaura.infused_iron_shoes.name=Botanist's Shoes
 item.naturesaura.effect_powder.naturesaura:plant_boost.name=Powder of Steady Growth
 item.naturesaura.effect_powder.naturesaura:cache_recharge.name=Powder of no Storage
+item.naturesaura.effect_powder.naturesaura:animal.name=Powder of Chastity
 
 container.naturesaura.tree_ritual.name=Ritual of the Forest
 container.naturesaura.altar.name=Natural Altar Infusion

src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/effects/animal.json

@@ -0,0 +1,21 @@
+{
+    "name": "Increase of Fertility",
+    "icon": "minecraft:egg",
+    "category": "effects",
+    "advancement": "naturesaura:flower_generator",
+    "pages": [
+        {
+            "type": "text",
+            "text": "When the amount of $(aura) in an area increases beyond about two thirds of the $(l:items/eye)Environmental Eye$()'s gauge, it starts to affect the $(item)animals$() in the area: Cows, sheep, pigs and the like will start $(thing)mating$() without any encouragement occasionally, draining some of the $(aura) in the process as if falling in love because of its power."
+        },
+        {
+            "type": "text",
+            "text": "Additionally, $(item)Eggs$() that have been laying around on the ground as an item for a while will have a chance to $(thing)hatch$() into a chicken without needing to be thrown.$(p)Note that both of these effects will cease to occur once there are enough animals present in the area, preventing overpopulation."
+        },
+        {
+            "type": "naturesaura:tree_ritual",
+            "recipe": "naturesaura:animal_powder",
+            "text": "This effect can be inhibited in a radius of about 15 blocks using $(l:effects/effect_powder)Powder of Chastity$()."
+        }
+    ]
+}