Purpur/purpur-server/minecraft-patches/features/0018-Cows-naturally-aggressive-to-players-chance.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Mon, 30 Aug 2021 22:49:53 -0500
Subject: [PATCH] Cows naturally aggressive to players chance


diff --git a/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java b/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java
index 34d2394006a006ea0773a52bb43b5cb3617470e5..7cd25e2b5e2e50b50fff00ca9e5c3a48ee2a3375 100644
--- a/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java
+++ b/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java
@@ -135,7 +135,7 @@ public class DefaultAttributes {
         .put(EntityType.LLAMA, Llama.createAttributes().build())
         .put(EntityType.MAGMA_CUBE, MagmaCube.createAttributes().build())
         .put(EntityType.MANNEQUIN, LivingEntity.createLivingAttributes().build())
-        .put(EntityType.MOOSHROOM, Cow.createAttributes().build())
+        .put(EntityType.MOOSHROOM, net.minecraft.world.entity.animal.cow.AbstractCow.createAttributes().build()) // Purpur - Cows naturally aggressive to players chance
         .put(EntityType.MULE, AbstractChestedHorse.createBaseChestedHorseAttributes().build())
         .put(EntityType.NAUTILUS, Nautilus.createAttributes().build())
         .put(EntityType.OCELOT, Ocelot.createAttributes().build())
diff --git a/net/minecraft/world/entity/animal/cow/Cow.java b/net/minecraft/world/entity/animal/cow/Cow.java
index 7d3853d693a87e5225a16285631e0e2057685c1b..cdd404f64e196629dd61035675aac984619f1e1c 100644
--- a/net/minecraft/world/entity/animal/cow/Cow.java
+++ b/net/minecraft/world/entity/animal/cow/Cow.java
@@ -25,6 +25,8 @@ import net.minecraft.world.level.storage.ValueOutput;
 import org.jspecify.annotations.Nullable;
 
 public class Cow extends AbstractCow {
+    private boolean isNaturallyAggressiveToPlayers; // Purpur - Cows naturally aggressive to players chance
+
     private static final EntityDataAccessor<Holder<CowVariant>> DATA_VARIANT_ID = SynchedEntityData.defineId(Cow.class, EntityDataSerializers.COW_VARIANT);
     private static final EntityDataAccessor<Holder<CowSoundVariant>> DATA_SOUND_VARIANT_ID = SynchedEntityData.defineId(
         Cow.class, EntityDataSerializers.COW_SOUND_VARIANT
@@ -54,8 +56,9 @@ public class Cow extends AbstractCow {
     // Purpur start - Configurable entity base attributes
     @Override
     public void initAttributes() {
-        this.getAttribute(Attributes.MAX_HEALTH).setBaseValue(this.level().purpurConfig.cowMaxHealth);
-        this.getAttribute(Attributes.SCALE).setBaseValue(this.level().purpurConfig.cowScale);
+        this.getAttribute(net.minecraft.world.entity.ai.attributes.Attributes.MAX_HEALTH).setBaseValue(this.level().purpurConfig.cowMaxHealth);
+        this.getAttribute(net.minecraft.world.entity.ai.attributes.Attributes.SCALE).setBaseValue(this.level().purpurConfig.cowScale);
+        this.getAttribute(net.minecraft.world.entity.ai.attributes.Attributes.ATTACK_DAMAGE).setBaseValue(this.level().purpurConfig.cowNaturallyAggressiveToPlayersDamage); // Purpur - Cows naturally aggressive to players chance
     }
     // Purpur end - Configurable entity base attributes
 
@@ -73,6 +76,13 @@ public class Cow extends AbstractCow {
     }
     // Purpur end - Toggle for water sensitive mob damage
 
+    @Override
+    protected void registerGoals() {
+        super.registerGoals();
+        this.goalSelector.addGoal(1, new net.minecraft.world.entity.ai.goal.MeleeAttackGoal(this, 1.2000000476837158D, true)); // Purpur - Cows naturally aggressive to players chance
+        this.targetSelector.addGoal(0, new net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal<>(this, net.minecraft.world.entity.player.Player.class, 10, true, false, (ignored, ignored2) -> isNaturallyAggressiveToPlayers)); // Purpur - Cows naturally aggressive to players chance
+    }
+
     @Override
     protected void defineSynchedData(final SynchedEntityData.Builder entityData) {
         super.defineSynchedData(entityData);
@@ -93,6 +103,12 @@ public class Cow extends AbstractCow {
             );
     }
 
+    // Purpur start - Cows naturally aggressive to players chance
+    public static net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder createAttributes() {
+        return AbstractCow.createAttributes().add(net.minecraft.world.entity.ai.attributes.Attributes.ATTACK_DAMAGE, 0.0D);
+    }
+    // Purpur end - Cows naturally aggressive to players chance
+
     @Override
     protected void readAdditionalSaveData(final ValueInput input) {
         super.readAdditionalSaveData(input);
@@ -116,6 +132,7 @@ public class Cow extends AbstractCow {
     public SpawnGroupData finalizeSpawn(
         final ServerLevelAccessor level, final DifficultyInstance difficulty, final EntitySpawnReason spawnReason, final @Nullable SpawnGroupData groupData
     ) {
+        this.isNaturallyAggressiveToPlayers = level.getLevel().purpurConfig.cowNaturallyAggressiveToPlayersChance > 0.0D && random.nextDouble() <= level.getLevel().purpurConfig.cowNaturallyAggressiveToPlayersChance; // Purpur - Cows naturally aggressive to players chance
         VariantUtils.selectVariantToSpawn(SpawnContext.create(level, this.blockPosition()), Registries.COW_VARIANT).ifPresent(this::setVariant);
         this.setSoundVariant(CowSoundVariants.pickRandomSoundVariant(this.registryAccess(), level.getRandom()));
         return super.finalizeSpawn(level, difficulty, spawnReason, groupData);