Paper/Spigot-Server-Patches/0031-Add-TNT-source-location-API.patch

From cc5daca1c11aec789248376d581251fbd78ab7eb Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 8 Mar 2015 04:23:41 -0500
Subject: [PATCH] Add TNT source location API


diff --git a/src/main/java/net/minecraft/server/BlockTNT.java b/src/main/java/net/minecraft/server/BlockTNT.java
index e151bc5..27ce179 100644
--- a/src/main/java/net/minecraft/server/BlockTNT.java
+++ b/src/main/java/net/minecraft/server/BlockTNT.java
@@ -29,7 +29,8 @@ public class BlockTNT extends Block {
 
     public void wasExploded(World world, BlockPosition blockposition, Explosion explosion) {
         if (!world.isClientSide) {
-            EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), (double) blockposition.getY(), (double) ((float) blockposition.getZ() + 0.5F), explosion.getSource());
+            org.bukkit.Location loc = explosion.source instanceof EntityTNTPrimed ? ((EntityTNTPrimed) explosion.source).sourceLoc : new org.bukkit.Location(world.getWorld(), blockposition.getX(), blockposition.getY(), blockposition.getZ()); // PaperSpigot
+            EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(loc, world, (double) ((float) blockposition.getX() + 0.5F), (double) ((float) blockposition.getY() + 0.5F), (double) ((float) blockposition.getZ() + 0.5F), explosion.getSource()); // PaperSpigot - add loc
 
             entitytntprimed.fuseTicks = world.random.nextInt(entitytntprimed.fuseTicks / 4) + entitytntprimed.fuseTicks / 8;
             world.addEntity(entitytntprimed);
@@ -43,7 +44,8 @@ public class BlockTNT extends Block {
     public void a(World world, BlockPosition blockposition, IBlockData iblockdata, EntityLiving entityliving) {
         if (!world.isClientSide) {
             if (((Boolean) iblockdata.get(BlockTNT.EXPLODE)).booleanValue()) {
-                EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) blockposition.getX() + 0.5F), (double) blockposition.getY(), (double) ((float) blockposition.getZ() + 0.5F), entityliving);
+                org.bukkit.Location loc = new org.bukkit.Location(world.getWorld(), blockposition.getX(), blockposition.getY(), blockposition.getZ()); // PaperSpigot
+                EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(loc, world, (double) ((float) blockposition.getX() + 0.5F), (double) ((float) blockposition.getY() + 0.5F), (double) ((float) blockposition.getZ() + 0.5F), entityliving); // PaperSpigot - add loc
 
                 world.addEntity(entitytntprimed);
                 world.makeSound(entitytntprimed, "game.tnt.primed", 1.0F, 1.0F);
diff --git a/src/main/java/net/minecraft/server/DispenserRegistry.java b/src/main/java/net/minecraft/server/DispenserRegistry.java
index f2c78f3..bc07d3d 100644
--- a/src/main/java/net/minecraft/server/DispenserRegistry.java
+++ b/src/main/java/net/minecraft/server/DispenserRegistry.java
@@ -541,7 +541,7 @@ public class DispenserRegistry {
                     }
                 }
 
-                EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, event.getVelocity().getX(), event.getVelocity().getY(), event.getVelocity().getZ(), (EntityLiving) null);
+                EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(block.getLocation(), world, event.getVelocity().getX(), event.getVelocity().getY(), event.getVelocity().getZ(), (EntityLiving) null); // PaperSpigot
                 // CraftBukkit end
 
                 world.addEntity(entitytntprimed);
diff --git a/src/main/java/net/minecraft/server/EntityTNTPrimed.java b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
index 50423eb..1daba4e 100644
--- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
@@ -8,15 +8,23 @@ public class EntityTNTPrimed extends Entity {
     private EntityLiving source;
     public float yield = 4; // CraftBukkit - add field
     public boolean isIncendiary = false; // CraftBukkit - add field
+    public org.bukkit.Location sourceLoc; // PaperSpigot
 
+    // PaperSpigot start - TNT source location API
     public EntityTNTPrimed(World world) {
+        this(null, world);
+    }
+
+    public EntityTNTPrimed(org.bukkit.Location loc, World world) {
         super(world);
+        sourceLoc = loc;
+    // PaperSpigot end
         this.k = true;
         this.setSize(0.98F, 0.98F);
     }
 
-    public EntityTNTPrimed(World world, double d0, double d1, double d2, EntityLiving entityliving) {
-        this(world);
+    public EntityTNTPrimed(org.bukkit.Location loc, World world, double d0, double d1, double d2, EntityLiving entityliving) {
+        this(loc, world);
         this.setPosition(d0, d1, d2);
         float f = (float) (Math.random() * 3.1415927410125732D * 2.0D);
 
@@ -96,10 +104,25 @@ public class EntityTNTPrimed extends Entity {
 
     protected void b(NBTTagCompound nbttagcompound) {
         nbttagcompound.setByte("Fuse", (byte) this.fuseTicks);
+        // PaperSpigot start - TNT source location API
+        if (sourceLoc != null) {
+            nbttagcompound.setInt("SourceLoc_x", sourceLoc.getBlockX());
+            nbttagcompound.setInt("SourceLoc_y", sourceLoc.getBlockY());
+            nbttagcompound.setInt("SourceLoc_z", sourceLoc.getBlockZ());
+        }
+        // PaperSpigot end
     }
 
     protected void a(NBTTagCompound nbttagcompound) {
         this.fuseTicks = nbttagcompound.getByte("Fuse");
+        // PaperSpigot start - TNT source location API
+        if (nbttagcompound.hasKey("SourceLoc_x")) {
+            int srcX = nbttagcompound.getInt("SourceLoc_x");
+            int srcY = nbttagcompound.getInt("SourceLoc_y");
+            int srcZ = nbttagcompound.getInt("SourceLoc_z");
+            sourceLoc = new org.bukkit.Location(world.getWorld(), srcX, srcY, srcZ);
+        }
+        // PaperSpigot end
     }
 
     public EntityLiving getSource() {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 552f5c3..05b88fd 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1110,7 +1110,8 @@ public class CraftWorld implements World {
                 throw new IllegalArgumentException("Cannot spawn hanging entity for " + clazz.getName() + " at " + location);
             }
         } else if (TNTPrimed.class.isAssignableFrom(clazz)) {
-            entity = new EntityTNTPrimed(world, x, y, z, null);
+            org.bukkit.Location loc = new org.bukkit.Location(world.getWorld(), x, y, z); // PaperSpigot
+            entity = new EntityTNTPrimed(loc, world, x, y, z, null);
         } else if (ExperienceOrb.class.isAssignableFrom(clazz)) {
             entity = new EntityExperienceOrb(world, x, y, z, 0);
         } else if (Weather.class.isAssignableFrom(clazz)) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java
index e08ad47..b7e8b4d 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftTNTPrimed.java
@@ -65,4 +65,11 @@ public class CraftTNTPrimed extends CraftEntity implements TNTPrimed {
 
         return null;
     }
+
+    // PaperSpigot start
+    @Override
+    public org.bukkit.Location getSourceLoc() {
+        return getHandle().sourceLoc;
+    }
+    // PaperSpigot end
 }
-- 
2.5.2