Upstream Paper

sources/src/main/java/net/minecraft/server/Entity.java

@@ -65,7 +65,7 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
             }
         }
     };
-    Object entitySlice = null;
+    List<Entity> entitySlice = null;
     // Paper end
     static boolean isLevelAtLeast(NBTTagCompound tag, int level) {
         return tag.hasKey("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;

sources/src/main/java/net/minecraft/server/World.java

@@ -593,7 +593,7 @@ public abstract class World implements IBlockAccess {
                 // CraftBukkit start
                 CraftWorld world = ((WorldServer) this).getWorld();
                 if (world != null && !((WorldServer)this).stopPhysicsEvent) { // Paper
-                    BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftMagicNumbers.getId(block));
+                    BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftMagicNumbers.getId(block), blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()); // Paper - add source block
                     this.getServer().getPluginManager().callEvent(event);
 
                     if (event.isCancelled()) {