From 1721ef0720f33e36b9fa2995018dc1fed3166a41 Mon Sep 17 00:00:00 2001
From: Chicken Bones <mehvids@gmail.com>
Date: Tue, 30 Jul 2013 11:20:06 +1000
Subject: [PATCH] Fix chunk index extracting negative y values Make parts lose
 their tile reference on being removed, fixes crash with tick scheduler

---
 codechicken/multipart/IRedstonePart.scala   | 8 +++++++-
 codechicken/multipart/TileMultipart.scala   | 1 +
 codechicken/multipart/handler/Proxies.scala | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/codechicken/multipart/IRedstonePart.scala b/codechicken/multipart/IRedstonePart.scala
index 9a9c26a..75c942c 100644
--- a/codechicken/multipart/IRedstonePart.scala
+++ b/codechicken/multipart/IRedstonePart.scala
@@ -103,7 +103,13 @@ object RedstoneInteractions
         if(p.isInstanceOf[IRedstonePart] && p.asInstanceOf[IRedstonePart].canConnectRedstone(side))
         {
             if(p.isInstanceOf[IFaceRedstonePart])
-                return 1<<rotationTo(side&6, p.asInstanceOf[IFaceRedstonePart].getFace)
+            {
+                val fside = p.asInstanceOf[IFaceRedstonePart].getFace
+                if((side&6) == (fside&6))
+                    return 0x10
+                
+                return 1<<rotationTo(side&6, fside)
+            }
             return 0x1F
         }
         return 0
diff --git a/codechicken/multipart/TileMultipart.scala b/codechicken/multipart/TileMultipart.scala
index 0c5cd63..f14457a 100644
--- a/codechicken/multipart/TileMultipart.scala
+++ b/codechicken/multipart/TileMultipart.scala
@@ -261,6 +261,7 @@ class TileMultipart extends TileEntity
         
         partRemoved(part, r)
         part.onRemoved()
+        part.tile = null
         
         if(partList.isEmpty)
         {
diff --git a/codechicken/multipart/handler/Proxies.scala b/codechicken/multipart/handler/Proxies.scala
index 6a81239..9d89f91 100644
--- a/codechicken/multipart/handler/Proxies.scala
+++ b/codechicken/multipart/handler/Proxies.scala
@@ -94,6 +94,6 @@ object MultipartProxy extends MultipartProxy_clientImpl
     var block:BlockMultipart = _
     var config:ConfigFile = _
     
-    def indexInChunk(cc:ChunkCoordIntPair, i:Int) = new BlockCoord(cc.chunkXPos<<4|i&0xF, i>>8, cc.chunkZPos<<4|(i&0xF0)>>4)
+    def indexInChunk(cc:ChunkCoordIntPair, i:Int) = new BlockCoord(cc.chunkXPos<<4|i&0xF, (i>>8)&0xFF, cc.chunkZPos<<4|(i&0xF0)>>4)
     def indexInChunk(pos:BlockCoord) = pos.x&0xF|pos.y<<8|(pos.z&0xF)<<4
 }
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