Add SpawnReason for REANIMATE a Copper Golem Statue (#13126)

Co-authored-by: Jason Penilla <[email protected]>

Author: Doc94

paper-api/src/main/java/org/bukkit/event/entity/CreatureSpawnEvent.java

@@ -226,6 +226,12 @@ public enum SpawnReason {
          * {@link org.bukkit.potion.PotionType#OOZING}, {@link org.bukkit.potion.PotionType#INFESTED}
          */
         POTION_EFFECT,
+        /**
+         * When a Copper Golem Statue turns back into a Copper Golem
+         *
+         * @apiNote Canceling a {@link CreatureSpawnEvent} with this reason does not prevent the statue block from being removed, use {@link EntityChangeBlockEvent} to account for all side effects
+         */
+        REANIMATE,
         /**
          * When a creature is spawned by being rehydrated
          */

paper-server/patches/sources/net/minecraft/world/level/block/WeatheringCopperGolemStatueBlock.java.patch

@@ -13,16 +13,17 @@
                  CopperGolem copperGolem = copperGolemStatueBlockEntity.removeStatue(state);
 -                stack.hurtAndBreak(1, player, hand.asEquipmentSlot());
                  if (copperGolem != null) {
-+                    // Paper start - call EntityChangeBlockEvent
+-                    level.addFreshEntity(copperGolem);
+-                    level.removeBlock(pos, false);
++                    // Paper start - call EntityChangeBlockEvent and spawnReason
 +                    BlockState newState = level.getFluidState(pos).createLegacyBlock();
 +                    if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(player, pos, newState)) {
 +                        return InteractionResult.PASS;
 +                    }
 +                    stack.hurtAndBreak(1, player, hand.asEquipmentSlot()); // Paper - moved after event
-                     level.addFreshEntity(copperGolem);
--                    level.removeBlock(pos, false);
++                    level.addFreshEntity(copperGolem, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.REANIMATE); // Paper - add SpawnReason
 +                    level.setBlock(pos, newState, 3);
-+                    // Paper end - call EntityChangeBlockEvent
++                    // Paper end - call EntityChangeBlockEvent and spawnReason
                      return InteractionResult.SUCCESS;
                  }
              }