PaperMC/patches/server-remapped/0134-Firework-API-s.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 28 Dec 2016 07:18:33 +0100
Subject: [PATCH] Firework API's


diff --git a/src/main/java/net/minecraft/nbt/CompoundTag.java b/src/main/java/net/minecraft/nbt/CompoundTag.java
index 4c8f249e45e5deb7628997d4dbd9dab613ac5241..a91bf94ed9f2f353a685194fc91c4b101ccc1232 100644
--- a/src/main/java/net/minecraft/nbt/CompoundTag.java
+++ b/src/main/java/net/minecraft/nbt/CompoundTag.java
@@ -153,6 +153,7 @@ public class CompoundTag implements Tag {
         return NbtUtils.loadUUID(this.get(key));
     }
 
+    public final boolean hasUUID(String s) { return this.hasUUID(s); } // Paper - OBFHELPER
     public boolean hasUUID(String key) {
         Tag nbtbase = this.get(key);
 
diff --git a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
index 28a2c6a0fbc8b4c38f3899698504d8ca0d7ba3af..5669be107b580075fdffbcbb490513593a57fc9f 100644
--- a/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
+++ b/src/main/java/net/minecraft/world/entity/projectile/FireworkRocketEntity.java
@@ -37,7 +37,8 @@ public class FireworkRocketEntity extends Projectile {
     public static final EntityDataAccessor<Boolean> DATA_SHOT_AT_ANGLE = SynchedEntityData.defineId(FireworkRocketEntity.class, EntityDataSerializers.BOOLEAN);
     private int life;
     public int lifetime;
-    private LivingEntity attachedToEntity;
+    public LivingEntity attachedToEntity; // Paper - public
+    public java.util.UUID spawningEntity; // Paper
 
     public FireworkRocketEntity(EntityType<? extends FireworkRocketEntity> type, Level world) {
         super(type, world);
@@ -284,6 +285,11 @@ public class FireworkRocketEntity extends Projectile {
         }
 
         tag.putBoolean("ShotAtAngle", (Boolean) this.entityData.get(FireworkRocketEntity.DATA_SHOT_AT_ANGLE));
+        // Paper start
+        if (this.spawningEntity != null) {
+            tag.setUUID("SpawningEntity", this.spawningEntity);
+        }
+        // Paper end
     }
 
     @Override
@@ -300,7 +306,11 @@ public class FireworkRocketEntity extends Projectile {
         if (tag.contains("ShotAtAngle")) {
             this.entityData.set(FireworkRocketEntity.DATA_SHOT_AT_ANGLE, tag.getBoolean("ShotAtAngle"));
         }
-
+        // Paper start
+        if (tag.hasUUID("SpawningEntity")) {
+            this.spawningEntity = tag.getUUID("SpawningEntity");
+        }
+        // Paper end
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/item/CrossbowItem.java b/src/main/java/net/minecraft/world/item/CrossbowItem.java
index 8a358872d3c8357775451e7dffe267cf9121f211..e1e58b7035e6dbafdad0a04cc5333464fc4febb8 100644
--- a/src/main/java/net/minecraft/world/item/CrossbowItem.java
+++ b/src/main/java/net/minecraft/world/item/CrossbowItem.java
@@ -205,6 +205,7 @@ public class CrossbowItem extends ProjectileWeaponItem implements Vanishable {
 
             if (flag1) {
                 object = new FireworkRocketEntity(world, projectile, shooter, shooter.getX(), shooter.getEyeY() - 0.15000000596046448D, shooter.getZ(), true);
+                ((FireworkRocketEntity) object).spawningEntity = shooter.getUUID(); // Paper
             } else {
                 object = getArrow(world, shooter, crossbow, projectile);
                 if (creative || simulated != 0.0F) {
diff --git a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
index d3a045fc99ef77fa0905aac7c73a2e84772c73cf..dba52063d402eb2371441fa244b730a3313444fc 100644
--- a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
+++ b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
@@ -27,6 +27,7 @@ public class FireworkRocketItem extends Item {
             Vec3 vec3d = context.getClickLocation();
             Direction enumdirection = context.getClickedFace();
             FireworkRocketEntity entityfireworks = new FireworkRocketEntity(world, context.getPlayer(), vec3d.x + (double) enumdirection.getStepX() * 0.15D, vec3d.y + (double) enumdirection.getStepY() * 0.15D, vec3d.z + (double) enumdirection.getStepZ() * 0.15D, itemstack);
+            entityfireworks.spawningEntity = context.getPlayer().getUUID(); // Paper
 
             world.addFreshEntity(entityfireworks);
             itemstack.shrink(1);
@@ -41,7 +42,11 @@ public class FireworkRocketItem extends Item {
             ItemStack itemstack = user.getItemInHand(hand);
 
             if (!world.isClientSide) {
-                world.addFreshEntity(new FireworkRocketEntity(world, itemstack, user));
+                // Paper start
+                final FireworkRocketEntity entityfireworks = new FireworkRocketEntity(world, itemstack, user);
+                entityfireworks.spawningEntity = user.getUUID();
+                world.addFreshEntity(entityfireworks);
+                // Paper end
                 if (!user.abilities.instabuild) {
                     itemstack.shrink(1);
                 }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
index 5901a53b25449430ed02a80b022f83755f83a440..0fbbdd6e3fda3f834d0b0d68d868dbff1aebb673 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftFirework.java
@@ -1,6 +1,7 @@
 package org.bukkit.craftbukkit.entity;
 
 import java.util.Random;
+import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.projectile.FireworkRocketEntity;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.Items;
@@ -78,4 +79,17 @@ public class CraftFirework extends CraftProjectile implements Firework {
     public void setShotAtAngle(boolean shotAtAngle) {
         getHandle().getEntityData().set(FireworkRocketEntity.DATA_SHOT_AT_ANGLE, shotAtAngle);
     }
+
+    // Paper start
+    @Override
+    public java.util.UUID getSpawningEntity() {
+        return getHandle().spawningEntity;
+    }
+
+    @Override
+    public org.bukkit.entity.LivingEntity getBoostedEntity() {
+        LivingEntity boostedEntity = getHandle().attachedToEntity;
+        return boostedEntity != null ? (org.bukkit.entity.LivingEntity) boostedEntity.getBukkitEntity() : null;
+    }
+    // Paper end
 }