From 8c7c278b8374ac82a8f5190d90eb03f122df86f4 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Mon, 30 Aug 2021 22:50:28 -0500
Subject: [PATCH] Mad cow disease

---
 ...turally-aggressive-to-players-chance.patch | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 patches/server/0256-Cows-naturally-aggressive-to-players-chance.patch

diff --git a/patches/server/0256-Cows-naturally-aggressive-to-players-chance.patch b/patches/server/0256-Cows-naturally-aggressive-to-players-chance.patch
new file mode 100644
index 000000000..0c2ef9fed
--- /dev/null
+++ b/patches/server/0256-Cows-naturally-aggressive-to-players-chance.patch
@@ -0,0 +1,79 @@
+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/src/main/java/net/minecraft/world/entity/animal/Cow.java b/src/main/java/net/minecraft/world/entity/animal/Cow.java
+index c718697a9511ccf761467644967397b777446db9..6855c409f1c793ec436f447838008853b9b249d2 100644
+--- a/src/main/java/net/minecraft/world/entity/animal/Cow.java
++++ b/src/main/java/net/minecraft/world/entity/animal/Cow.java
+@@ -37,6 +37,7 @@ import org.bukkit.craftbukkit.inventory.CraftItemStack;
+ // CraftBukkit end
+ 
+ public class Cow extends Animal {
++    private boolean isNaturallyAggressiveToPlayers; // Purpur
+ 
+     public Cow(EntityType<? extends Cow> type, Level world) {
+         super(type, world);
+@@ -56,12 +57,19 @@ public class Cow extends Animal {
+     @Override
+     public void initAttributes() {
+         this.getAttribute(Attributes.MAX_HEALTH).setBaseValue(this.level.purpurConfig.cowMaxHealth);
++        this.getAttribute(Attributes.ATTACK_DAMAGE).setBaseValue(2.0D); // Purpur
+     }
+ 
+     @Override
+     public int getPurpurBreedTime() {
+         return this.level.purpurConfig.cowBreedingTicks;
+     }
++
++    @Override
++    public net.minecraft.world.entity.SpawnGroupData finalizeSpawn(net.minecraft.world.level.ServerLevelAccessor world, net.minecraft.world.DifficultyInstance difficulty, net.minecraft.world.entity.MobSpawnType spawnReason, net.minecraft.world.entity.SpawnGroupData entityData, net.minecraft.nbt.CompoundTag entityNbt) {
++        this.isNaturallyAggressiveToPlayers = level.purpurConfig.cowNaturallyAggressiveToPlayersChance > 0.0D && random.nextDouble() <= level.purpurConfig.cowNaturallyAggressiveToPlayersChance;
++        return super.finalizeSpawn(world, difficulty, spawnReason, entityData, entityNbt);
++    }
+     // Purpur end
+ 
+     @Override
+@@ -69,6 +77,7 @@ public class Cow extends Animal {
+         this.goalSelector.addGoal(0, new FloatGoal(this));
+         this.goalSelector.addGoal(0, new net.pl3x.purpur.entity.ai.HasRider(this)); // Purpur
+         this.goalSelector.addGoal(1, new PanicGoal(this, 2.0D));
++        this.goalSelector.addGoal(1, new net.minecraft.world.entity.ai.goal.MeleeAttackGoal(this, 1.2000000476837158D, true)); // Purpur
+         this.goalSelector.addGoal(2, new BreedGoal(this, 1.0D));
+         if (level.purpurConfig.cowFeedMushrooms > 0) this.goalSelector.addGoal(3, new TemptGoal(this, 1.25D, Ingredient.of(Items.WHEAT, Blocks.RED_MUSHROOM.asItem(), Blocks.BROWN_MUSHROOM.asItem()), false)); else // Purpur
+         this.goalSelector.addGoal(3, new TemptGoal(this, 1.25D, Ingredient.of(Items.WHEAT), false));
+@@ -76,10 +85,11 @@ public class Cow extends Animal {
+         this.goalSelector.addGoal(5, new WaterAvoidingRandomStrollGoal(this, 1.0D));
+         this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 6.0F));
+         this.goalSelector.addGoal(7, new RandomLookAroundGoal(this));
++        this.targetSelector.addGoal(0, new net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal<>(this, Player.class, 10, true, false, target -> isNaturallyAggressiveToPlayers)); // Purpur
+     }
+ 
+     public static AttributeSupplier.Builder createAttributes() {
+-        return Mob.createMobAttributes().add(Attributes.MAX_HEALTH, 10.0D).add(Attributes.MOVEMENT_SPEED, 0.20000000298023224D);
++        return Mob.createMobAttributes().add(Attributes.MAX_HEALTH, 10.0D).add(Attributes.MOVEMENT_SPEED, 0.20000000298023224D).add(Attributes.ATTACK_DAMAGE, 0.0D); // Purpur
+     }
+ 
+     @Override
+diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+index da9d2abf91b16c3b98ad8b1ab65b39b5e693e8e0..bbfbe72f3b5e06c50d074dbbb2d9f459bb15c04b 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+@@ -1143,6 +1143,7 @@ public class PurpurWorldConfig {
+     public double cowMaxHealth = 10.0D;
+     public int cowFeedMushrooms = 0;
+     public int cowBreedingTicks = 6000;
++    public double cowNaturallyAggressiveToPlayersChance = 0.0D;
+     private void cowSettings() {
+         cowRidable = getBoolean("mobs.cow.ridable", cowRidable);
+         cowRidableInWater = getBoolean("mobs.cow.ridable-in-water", cowRidableInWater);
+@@ -1154,6 +1155,7 @@ public class PurpurWorldConfig {
+         cowMaxHealth = getDouble("mobs.cow.attributes.max_health", cowMaxHealth);
+         cowFeedMushrooms = getInt("mobs.cow.feed-mushrooms-for-mooshroom", cowFeedMushrooms);
+         cowBreedingTicks = getInt("mobs.cow.breeding-delay-ticks", cowBreedingTicks);
++        cowNaturallyAggressiveToPlayersChance = getDouble("mobs.cow.naturally-aggressive-to-players-chance", cowNaturallyAggressiveToPlayersChance);
+     }
+ 
+     public boolean creeperRidable = false;