Add PhantomPreSpawnEvent

paper-server/patches/sources/net/minecraft/world/entity/monster/Phantom.java.patch

@@ -1,6 +1,48 @@
 --- a/net/minecraft/world/entity/monster/Phantom.java
 +++ b/net/minecraft/world/entity/monster/Phantom.java
-@@ -522,14 +522,14 @@
+@@ -161,6 +161,11 @@
+         }
+ 
+         this.setPhantomSize(nbt.getInt("Size"));
++        // Paper start
++        if (nbt.hasUUID("Paper.SpawningEntity")) {
++            this.spawningEntity = nbt.getUUID("Paper.SpawningEntity");
++        }
++        // Paper end
+     }
+ 
+     @Override
+@@ -170,6 +175,11 @@
+         nbt.putInt("AY", this.anchorPoint.getY());
+         nbt.putInt("AZ", this.anchorPoint.getZ());
+         nbt.putInt("Size", this.getPhantomSize());
++        // Paper start
++        if (this.spawningEntity != null) {
++            nbt.putUUID("Paper.SpawningEntity", this.spawningEntity);
++        }
++        // Paper end
+     }
+ 
+     @Override
+@@ -219,6 +229,17 @@
+         return predicate.test(world, this, target);
+     }
+ 
++    // Paper start
++    @Nullable
++    java.util.UUID spawningEntity;
++
++    @Nullable
++    public java.util.UUID getSpawningEntity() {
++        return this.spawningEntity;
++    }
++    public void setSpawningEntity(java.util.UUID entity) { this.spawningEntity = entity; }
++    // Paper end
++
+     private static enum AttackPhase {
+ 
+         CIRCLE, SWOOP;
+@@ -522,14 +543,14 @@
                  List<Player> list = worldserver.getNearbyPlayers(this.attackTargeting, Phantom.this, Phantom.this.getBoundingBox().inflate(16.0D, 64.0D, 16.0D));
  
                  if (!list.isEmpty()) {

paper-server/patches/sources/net/minecraft/world/level/levelgen/PhantomSpawner.java.patch

@@ -1,7 +1,22 @@
 --- a/net/minecraft/world/level/levelgen/PhantomSpawner.java
 +++ b/net/minecraft/world/level/levelgen/PhantomSpawner.java
-@@ -74,7 +74,7 @@
+@@ -69,12 +69,22 @@
+                                             int k = 1 + randomsource.nextInt(difficultydamagescaler.getDifficulty().getId() + 1);
+ 
+                                             for (int l = 0; l < k; ++l) {
++                                                // Paper start - PhantomPreSpawnEvent
++                                                com.destroystokyo.paper.event.entity.PhantomPreSpawnEvent event = new com.destroystokyo.paper.event.entity.PhantomPreSpawnEvent(io.papermc.paper.util.MCUtil.toLocation(world, blockposition1), entityplayer.getBukkitEntity(), org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL);
++                                                if (!event.callEvent()) {
++                                                    if (event.shouldAbortSpawn()) {
++                                                        break;
++                                                    }
++                                                    continue;
++                                                }
++                                                // Paper end - PhantomPreSpawnEvent
+                                                 Phantom entityphantom = (Phantom) EntityType.PHANTOM.create(world, EntitySpawnReason.NATURAL);
+ 
                                                  if (entityphantom != null) {
++                                                    entityphantom.setSpawningEntity(entityplayer.getUUID()); // Paper - PhantomPreSpawnEvent
                                                      entityphantom.moveTo(blockposition1, 0.0F, 0.0F);
                                                      groupdataentity = entityphantom.finalizeSpawn(world, difficultydamagescaler, EntitySpawnReason.NATURAL, groupdataentity);
 -                                                    world.addFreshEntityWithPassengers(entityphantom);

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPhantom.java

@@ -28,4 +28,11 @@ public class CraftPhantom extends CraftFlying implements Phantom, CraftEnemy {
     public String toString() {
         return "CraftPhantom";
     }
+
+    // Paper start
+    @Override
+    public java.util.UUID getSpawningEntity() {
+        return getHandle().getSpawningEntity();
+    }
+    // Paper end
 }