Purpur/purpur-server/minecraft-patches/unapplied-features/0019-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 48be4530b25d273032ff1a055406c7cca928d678..65f48ced39fe3bffaea34b1f8d83374bfd5cc1c8 100644
--- a/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java
+++ b/net/minecraft/world/entity/ai/attributes/DefaultAttributes.java
@@ -131,7 +131,7 @@ 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.AbstractCow.createAttributes().build()) // Purpur - Cows naturally aggressive to players chance
         .put(EntityType.MULE, AbstractChestedHorse.createBaseChestedHorseAttributes().build())
         .put(EntityType.OCELOT, Ocelot.createAttributes().build())
         .put(EntityType.PANDA, Panda.createAttributes().build())
diff --git a/net/minecraft/world/entity/animal/Cow.java b/net/minecraft/world/entity/animal/Cow.java
index a71b6c8a0c48d9c7121e7d29cff6d388cb2df09f..150ba89fee07dcb67550165597203f572d901f04 100644
--- a/net/minecraft/world/entity/animal/Cow.java
+++ b/net/minecraft/world/entity/animal/Cow.java
@@ -23,6 +23,8 @@ import net.minecraft.world.level.storage.ValueInput;
 import net.minecraft.world.level.storage.ValueOutput;
 
 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);
 
     public Cow(EntityType<? extends Cow> type, Level level) {
@@ -49,8 +51,9 @@ 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
 
@@ -68,6 +71,13 @@ 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(SynchedEntityData.Builder builder) {
         super.defineSynchedData(builder);
@@ -80,6 +90,12 @@ public class Cow extends AbstractCow {
         VariantUtils.writeVariant(output, this.getVariant());
     }
 
+    // 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(ValueInput input) {
         super.readAdditionalSaveData(input);
@@ -101,6 +117,7 @@ public class Cow extends AbstractCow {
     public SpawnGroupData finalizeSpawn(
         ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
     ) {
+        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);
         return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
     }