Purpur/patches/server/0017-EMC-MonsterEggSpawnEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 20 Jul 2013 22:40:56 -0400
Subject: [PATCH] EMC - MonsterEggSpawnEvent


diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
index ac29cea738d013b69c263dd4708966e59a7e5741..4833e545545d9114a15f0bcc0d0a2a214183000f 100644
--- a/src/main/java/net/minecraft/world/entity/EntityType.java
+++ b/src/main/java/net/minecraft/world/entity/EntityType.java
@@ -334,13 +334,20 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
 
     @Nullable
     public Entity spawn(ServerLevel world, @Nullable ItemStack stack, @Nullable Player player, BlockPos pos, MobSpawnType spawnReason, boolean alignPosition, boolean invertY) {
-        return this.spawn(world, stack == null ? null : stack.getTag(), stack != null && stack.hasCustomHoverName() ? stack.getHoverName() : null, player, pos, spawnReason, alignPosition, invertY);
+        return this.spawn(world, stack, stack == null ? null : stack.getTag(), stack != null && stack.hasCustomHoverName() ? stack.getHoverName() : null, player, pos, spawnReason, alignPosition, invertY); // Purpur
     }
 
     @Nullable
     public T spawn(ServerLevel world, @Nullable CompoundTag itemNbt, @Nullable Component name, @Nullable Player player, BlockPos pos, MobSpawnType spawnReason, boolean alignPosition, boolean invertY) {
+        // Purpur start
+        return spawn(world, null, itemNbt, name, player, pos, spawnReason, alignPosition, invertY); // Purpur
+    }
+
+    @Nullable
+    public T spawn(ServerLevel world, @Nullable ItemStack stack, @Nullable CompoundTag itemNbt, @Nullable Component name, @Nullable Player player, BlockPos pos, MobSpawnType spawnReason, boolean alignPosition, boolean invertY) {
+        // Purpur end
         // CraftBukkit start
-        return this.spawn(world, itemNbt, name, player, pos, spawnReason, alignPosition, invertY, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER_EGG);
+        return this.spawn(world, itemNbt, name, player, pos, spawnReason, alignPosition, invertY, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER_EGG, null); // Purpur
     }
 
     @Nullable
@@ -365,9 +372,29 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
             }
         }
         // Paper end
+        // Purpur start
+        return this.spawn(worldserver, null, nbttagcompound, ichatbasecomponent, entityhuman, blockposition, enummobspawn, flag, flag1, spawnReason, op);
+    }
+
+    @Nullable
+    public T spawn(ServerLevel worldserver, @Nullable ItemStack stack, @Nullable CompoundTag nbttagcompound, @Nullable Component ichatbasecomponent, @Nullable Player entityhuman, BlockPos blockposition, MobSpawnType enummobspawn, boolean flag, boolean flag1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason, @Nullable java.util.function.Consumer<T> op) {
+        // Purpur end
         T t0 = this.create(worldserver, nbttagcompound, ichatbasecomponent, entityhuman, blockposition, enummobspawn, flag, flag1);
         if (t0 != null && op != null) op.accept(t0); // Paper
 
+        // Purpur start
+        if (spawnReason == org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER_EGG && stack != null && t0 != null) {
+            final org.purpurmc.purpur.event.entity.MonsterEggSpawnEvent event = new org.purpurmc.purpur.event.entity.MonsterEggSpawnEvent(entityhuman != null ? entityhuman.getBukkitEntity() : null, t0.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack));
+            if (!event.callEvent()) {
+                t0.setRemoved(Entity.RemovalReason.DISCARDED);
+                return null;
+            }
+            if (event.getEntity().getEntityId() != t0.getId()) {
+                return (T) ((org.bukkit.craftbukkit.entity.CraftEntity) event.getEntity()).getHandle();
+            }
+        }
+        // Purpur end
+
         if (t0 != null) {
             worldserver.addFreshEntityWithPassengers(t0, spawnReason);
             return !t0.isRemoved() ? t0 : null; // Don't return an entity when CreatureSpawnEvent is canceled