From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Mon, 19 Sep 2022 14:16:10 -0700
Subject: [PATCH] Add a consumer parameter to ProjectileSource#launchProjectile


diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 1a41f371d9fc147ab0fd833d1bacb10096ec4f65..b0de36ed125a21d6f92f22351bb34040cdc42f53 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -499,8 +499,15 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
     }
 
     @Override
-    @SuppressWarnings("unchecked")
     public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity) {
+        // Paper start - launchProjectile consumer
+        return this.launchProjectile(projectile, velocity, null);
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity, org.bukkit.util.Consumer<T> function) {
+        // Paper end - launchProjectile consumer
         Preconditions.checkState(!this.getHandle().generation, "Cannot launch projectile during world generation");
 
         net.minecraft.world.level.Level world = ((CraftWorld) getWorld()).getHandle();
@@ -583,6 +590,11 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
         if (velocity != null) {
             ((T) launch.getBukkitEntity()).setVelocity(velocity);
         }
+        // Paper start - launchProjectile consumer
+        if (function != null) {
+            function.accept((T) launch.getBukkitEntity());
+        }
+        // Paper end - launchProjectile consumer
 
         world.addFreshEntity(launch);
         return (T) launch.getBukkitEntity();
diff --git a/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java b/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
index 01725215768e7340234987969bcf5386f0e1711b..26c0552735a4056db290cc9a5eb7814c2a79e7f0 100644
--- a/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
+++ b/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
@@ -58,6 +58,13 @@ public class CraftBlockProjectileSource implements BlockProjectileSource {
 
     @Override
     public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity) {
+        // Paper start - launchProjectile consumer
+        return this.launchProjectile(projectile, velocity, null);
+    }
+
+    @Override
+    public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity, org.bukkit.util.Consumer<T> function) {
+        // Paper end - launchProjectile consumer
         Preconditions.checkArgument(this.getBlock().getType() == BlockType.DISPENSER, "Block is no longer dispenser");
         // Copied from BlockDispenser.dispense()
         BlockSourceImpl isourceblock = new BlockSourceImpl((ServerLevel) this.dispenserBlock.getLevel(), this.dispenserBlock.getBlockPos());
@@ -148,6 +155,11 @@ public class CraftBlockProjectileSource implements BlockProjectileSource {
         if (velocity != null) {
             ((T) launch.getBukkitEntity()).setVelocity(velocity);
         }
+        // Paper start
+        if (function != null) {
+            function.accept((T) launch.getBukkitEntity());
+        }
+        // Paper end
 
         world.addFreshEntity(launch);
         return (T) launch.getBukkitEntity();