Fixed Incompatibility with FMP.

block/networking/BlockCableBus.java

@@ -4,6 +4,7 @@ import java.util.EnumSet;
 import java.util.List;
 import java.util.Random;
 
+import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IconRegister;
 import net.minecraft.creativetab.CreativeTabs;
@@ -75,6 +76,13 @@ public class BlockCableBus extends AEBaseBlock
 	@Override
 	public int getLightValue(IBlockAccess world, int x, int y, int z)
 	{
+		Block block = blocksList[world.getBlockId( x, y, z )];
+		if ( block != null && block != this )
+		{
+			return block.getLightValue( world, x, y, z );
+		}
+		if ( block == null )
+			return 0;
 		return cb( world, x, y, z ).getLightValue();
 	}
 

integration/modules/FMP.java

@@ -84,7 +84,7 @@ public class FMP implements IIntegrationModule, IPartFactory, IPartConverter, IF
 		MultiPartRegistry.registerConverter( this );
 		MultiPartRegistry.registerParts( this, data );
 		MinecraftForge.EVENT_BUS.register( new FMPEvent() );
-		// MultipartGenerator.registerPassThroughInterface( "appeng.helpers.AEMultiTile" );
+		MultipartGenerator.registerPassThroughInterface( "appeng.helpers.AEMultiTile" );
 	}
 
 	@Override

parts/CableBusContainer.java

@@ -274,6 +274,8 @@ public class CableBusContainer implements AEMultiTile, ICableBusContainer
 
 	public void addToWorld()
 	{
+		if ( inWorld )
+			return;
 		inWorld = true;
 
 		TileEntity te = getTile();
@@ -323,6 +325,8 @@ public class CableBusContainer implements AEMultiTile, ICableBusContainer
 
 	public void removeFromWorld()
 	{
+		if ( !inWorld )
+			return;
 		inWorld = false;
 
 		for (ForgeDirection s : ForgeDirection.values())