Purpur/patches/server/0275-Skeletons-eat-wither-roses.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ben Kerllenevich <ben@omega24.dev>
Date: Sat, 25 Jun 2022 00:18:33 -0400
Subject: [PATCH] Skeletons eat wither roses


diff --git a/src/main/java/net/minecraft/world/entity/monster/Skeleton.java b/src/main/java/net/minecraft/world/entity/monster/Skeleton.java
index 51c548cd84bd83624fbff3f853a8050dc1e71ecd..2c85d71cfb486d30cb58b3378ebcdf55e18423fd 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Skeleton.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Skeleton.java
@@ -14,6 +14,16 @@ import net.minecraft.world.item.Items;
 import net.minecraft.world.level.ItemLike;
 import net.minecraft.world.level.Level;
 
+// Purpur start
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.block.Blocks;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.core.particles.ParticleTypes;
+// Purpur end
+
 public class Skeleton extends AbstractSkeleton {
 
     public static final EntityDataAccessor<Boolean> DATA_STRAY_CONVERSION_ID = SynchedEntityData.defineId(Skeleton.class, EntityDataSerializers.BOOLEAN);
@@ -170,4 +180,67 @@ public class Skeleton extends AbstractSkeleton {
         }
 
     }
+
+    // Purpur start
+    private int witherRosesFed = 0;
+
+    @Override
+    public InteractionResult mobInteract(Player player, InteractionHand hand) {
+        ItemStack stack = player.getItemInHand(hand);
+
+        if (level.purpurConfig.skeletonFeedWitherRoses > 0 && this.getType() != EntityType.WITHER_SKELETON && stack.getItem() == Blocks.WITHER_ROSE.asItem()) {
+            return this.feedWitherRose(player, stack);
+        }
+
+        return super.mobInteract(player, hand);
+    }
+
+    private InteractionResult feedWitherRose(Player player, ItemStack stack) {
+        if (++witherRosesFed < level.purpurConfig.skeletonFeedWitherRoses) {
+            if (!player.getAbilities().instabuild) {
+                stack.shrink(1);
+            }
+            return InteractionResult.CONSUME;
+        }
+
+        WitherSkeleton skeleton = EntityType.WITHER_SKELETON.create(level);
+        if (skeleton == null) {
+            return InteractionResult.PASS;
+        }
+
+        skeleton.moveTo(this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot());
+        skeleton.setHealth(this.getHealth());
+        skeleton.setAggressive(this.isAggressive());
+        skeleton.copyPosition(this);
+        skeleton.setYBodyRot(this.yBodyRot);
+        skeleton.setYHeadRot(this.getYHeadRot());
+        skeleton.yRotO = this.yRotO;
+        skeleton.xRotO = this.xRotO;
+
+        if (this.hasCustomName()) {
+            skeleton.setCustomName(this.getCustomName());
+        }
+
+        if (CraftEventFactory.callEntityTransformEvent(this, skeleton, org.bukkit.event.entity.EntityTransformEvent.TransformReason.INFECTION).isCancelled()) {
+            return InteractionResult.PASS;
+        }
+
+        if (!new com.destroystokyo.paper.event.entity.EntityTransformedEvent(this.getBukkitEntity(), skeleton.getBukkitEntity(), com.destroystokyo.paper.event.entity.EntityTransformedEvent.TransformedReason.INFECTED).callEvent()) {
+            return InteractionResult.PASS;
+        }
+
+        this.level.addFreshEntity(skeleton);
+        this.remove(RemovalReason.DISCARDED);
+        if (!player.getAbilities().instabuild) {
+            stack.shrink(1);
+        }
+
+        for (int i = 0; i < 15; ++i) {
+            ((ServerLevel) level).sendParticles(((ServerLevel) level).players(), null, ParticleTypes.HAPPY_VILLAGER,
+                    getX() + random.nextFloat(), getY() + (random.nextFloat() * 2), getZ() + random.nextFloat(), 1,
+                    random.nextGaussian() * 0.05D, random.nextGaussian() * 0.05D, random.nextGaussian() * 0.05D, 0, true);
+        }
+        return InteractionResult.SUCCESS;
+    }
+    // Purpur end
 }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index e937e689a46ffedfc54400fade9750aa737f0ce9..f90f561b112e35579be997b387492890b1cdf80e 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -2365,6 +2365,7 @@ public class PurpurWorldConfig {
     public boolean skeletonTakeDamageFromWater = false;
     public boolean skeletonAlwaysDropExp = false;
     public double skeletonHeadVisibilityPercent = 0.5D;
+    public int skeletonFeedWitherRoses = 0;
     private void skeletonSettings() {
         skeletonRidable = getBoolean("mobs.skeleton.ridable", skeletonRidable);
         skeletonRidableInWater = getBoolean("mobs.skeleton.ridable-in-water", skeletonRidableInWater);
@@ -2378,6 +2379,7 @@ public class PurpurWorldConfig {
         skeletonTakeDamageFromWater = getBoolean("mobs.skeleton.takes-damage-from-water", skeletonTakeDamageFromWater);
         skeletonAlwaysDropExp = getBoolean("mobs.skeleton.always-drop-exp", skeletonAlwaysDropExp);
         skeletonHeadVisibilityPercent = getDouble("mobs.skeleton.head-visibility-percent", skeletonHeadVisibilityPercent);
+        skeletonFeedWitherRoses = getInt("mobs.skeleton.feed-wither-roses", skeletonFeedWitherRoses);
     }
 
     public boolean skeletonHorseRidableInWater = true;