From 673f3d9a8ff86c6f388a19edc4a13dc5d436a92d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Sun, 26 Apr 2015 18:03:39 +0200
Subject: [PATCH] Fixed potential NPE in rotatable class... probably. Dem race
 conditions.

---
 .../scala/li/cil/oc/common/tileentity/traits/Rotatable.scala  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/li/cil/oc/common/tileentity/traits/Rotatable.scala b/src/main/scala/li/cil/oc/common/tileentity/traits/Rotatable.scala
index 5d2ba7034..093202166 100644
--- a/src/main/scala/li/cil/oc/common/tileentity/traits/Rotatable.scala
+++ b/src/main/scala/li/cil/oc/common/tileentity/traits/Rotatable.scala
@@ -148,13 +148,13 @@ trait Rotatable extends RotationAware with internal.Rotatable {
     else false
   }
 
-  override def toLocal(value: EnumFacing) = if (value != null) {
+  override def toLocal(value: EnumFacing) = if (value != null) this.synchronized {
     updateTranslation()
     cachedTranslation(value.ordinal)
   }
   else null
 
-  override def toGlobal(value: EnumFacing) = if (value != null) {
+  override def toGlobal(value: EnumFacing) = if (value != null) this.synchronized {
     updateTranslation()
     cachedInverseTranslation(value.ordinal)
   }