PaperMC/CraftBukkit-Patches/0094-Support-vanilla-s-direction-tag-on-fireballs.patch

From 4398d4b87554715e4b93771a18390ea1580d380b Mon Sep 17 00:00:00 2001
From: Thinkofdeath <thethinkofdeath@gmail.com>
Date: Sat, 18 Jan 2014 14:27:03 +0000
Subject: [PATCH] Support vanilla's direction tag on fireballs


diff --git a/src/main/java/net/minecraft/server/EntityFireball.java b/src/main/java/net/minecraft/server/EntityFireball.java
index 82da554..d23d178 100644
--- a/src/main/java/net/minecraft/server/EntityFireball.java
+++ b/src/main/java/net/minecraft/server/EntityFireball.java
@@ -198,6 +198,8 @@ public abstract class EntityFireball extends Entity {
         nbttagcompound.setByte("inGround", (byte) (this.i ? 1 : 0));
         // CraftBukkit - Fix direction being mismapped to invalid variables
         nbttagcompound.set("power", this.a(new double[] { this.dirX, this.dirY, this.dirZ}));
+        // Spigot - Support vanilla's direction tag
+        nbttagcompound.set("direction", this.a(new double[] { this.motX, this.motY, this.motZ}));
     }
 
     public void a(NBTTagCompound nbttagcompound) {
@@ -214,6 +216,13 @@ public abstract class EntityFireball extends Entity {
             this.dirY = nbttaglist.d(1);
             this.dirZ = nbttaglist.d(2);
             // CraftBukkit end
+        } else if (nbttagcompound.hasKeyOfType("direction", 9)) { // Spigot - Support vanilla's direction tag
+            NBTTagList nbttaglist = nbttagcompound.getList("direction", 6);
+
+            this.motX = nbttaglist.d(0);
+            this.motY = nbttaglist.d(1);
+            this.motZ = nbttaglist.d(2);
+
         } else {
             this.die();
         }
-- 
1.8.3.2