diff --git a/buildcraft_client/net/minecraft/src/buildcraft/core/CoreProxy.java b/buildcraft_client/net/minecraft/src/buildcraft/core/CoreProxy.java
index 34dc52a9..bb482d1d 100644
--- a/buildcraft_client/net/minecraft/src/buildcraft/core/CoreProxy.java
+++ b/buildcraft_client/net/minecraft/src/buildcraft/core/CoreProxy.java
@@ -81,7 +81,7 @@ public class CoreProxy {
 		return new File(Minecraft.getMinecraftDir(), "/buildcraft/");
 	}
 
-	public static void sendToPlayers(Packet packet, int x, int y, int z, int maxDistance, NetworkMod mod) {}
+	public static void sendToPlayers(Packet packet, World w, int x, int y, int z, int maxDistance, NetworkMod mod) {}
 	public static void sendToPlayer(EntityPlayer entityplayer, BuildCraftPacket packet) {}
 
 	public static void sendToServer(Packet packet) {
diff --git a/buildcraft_server/net/minecraft/src/buildcraft/core/CoreProxy.java b/buildcraft_server/net/minecraft/src/buildcraft/core/CoreProxy.java
index 9e5e5b5c..65e85aa2 100644
--- a/buildcraft_server/net/minecraft/src/buildcraft/core/CoreProxy.java
+++ b/buildcraft_server/net/minecraft/src/buildcraft/core/CoreProxy.java
@@ -24,7 +24,6 @@ import net.minecraft.src.Packet;
 import net.minecraft.src.StringTranslate;
 import net.minecraft.src.World;
 import net.minecraft.src.buildcraft.core.network.BuildCraftPacket;
-import net.minecraft.src.forge.DimensionManager;
 import net.minecraft.src.forge.NetworkMod;
 
 public class CoreProxy {
@@ -51,20 +50,17 @@ public class CoreProxy {
 		return new File("BuildCraft.cfg");
 	}
 
-	public static void sendToPlayers(Packet packet, int x, int y,
+	public static void sendToPlayers(Packet packet, World w, int x, int y,
 			int z, int maxDistance, NetworkMod mod) {
 		if (packet != null) {
-			World[] worlds = DimensionManager.getWorlds();
-			for (int i = 0; i < worlds.length; i++)
-				for (int j = 0; j < worlds[i].playerEntities
-						.size(); j++) {
-					EntityPlayerMP player = (EntityPlayerMP)worlds[i].playerEntities.get(j);
+			for (int j = 0; j < w.playerEntities.size(); j++) {
+				EntityPlayerMP player = (EntityPlayerMP)w.playerEntities.get(j);
 
-					if (Math.abs(player.posX - x) <= maxDistance
-							&& Math.abs(player.posY - y) <= maxDistance
-							&& Math.abs(player.posZ - z) <= maxDistance)
-						player.playerNetServerHandler.sendPacket(packet);
-				}
+				if (Math.abs(player.posX - x) <= maxDistance
+						&& Math.abs(player.posY - y) <= maxDistance
+						&& Math.abs(player.posZ - z) <= maxDistance)
+					player.playerNetServerHandler.sendPacket(packet);
+			}
 		}
 	}
 
diff --git a/common/net/minecraft/src/buildcraft/core/TileBuildCraft.java b/common/net/minecraft/src/buildcraft/core/TileBuildCraft.java
index 84e9c02c..beef7a48 100644
--- a/common/net/minecraft/src/buildcraft/core/TileBuildCraft.java
+++ b/common/net/minecraft/src/buildcraft/core/TileBuildCraft.java
@@ -71,8 +71,8 @@ public abstract class TileBuildCraft extends TileEntity implements ISynchronized
 	public void sendNetworkUpdate() {
 		if (this instanceof ISynchronizedTile)
 			CoreProxy.sendToPlayers(
-					((ISynchronizedTile) this).getUpdatePacket(), xCoord,
-					yCoord, zCoord, 50, mod_BuildCraftCore.instance);
+					((ISynchronizedTile) this).getUpdatePacket(), worldObj, 
+					xCoord,	yCoord, zCoord, 50, mod_BuildCraftCore.instance);
 	}
 
 	@Override
diff --git a/common/net/minecraft/src/buildcraft/factory/TileAssemblyTable.java b/common/net/minecraft/src/buildcraft/factory/TileAssemblyTable.java
index 42a9a2a7..544380fa 100644
--- a/common/net/minecraft/src/buildcraft/factory/TileAssemblyTable.java
+++ b/common/net/minecraft/src/buildcraft/factory/TileAssemblyTable.java
@@ -370,7 +370,7 @@ public class TileAssemblyTable extends TileEntity implements IInventory, IPipeCo
 			packet.posX = xCoord;
 			packet.posY = yCoord;
 			packet.posZ = zCoord;
-			CoreProxy.sendToPlayers(packet.getPacket(),
+			CoreProxy.sendToPlayers(packet.getPacket(), worldObj,
 					(int) player.posX, (int) player.posY, (int) player.posZ, 100,
 					mod_BuildCraftSilicon.instance);
 		}
diff --git a/common/net/minecraft/src/buildcraft/transport/PipeLogicDiamond.java b/common/net/minecraft/src/buildcraft/transport/PipeLogicDiamond.java
index 388d8f21..2fb14ec0 100644
--- a/common/net/minecraft/src/buildcraft/transport/PipeLogicDiamond.java
+++ b/common/net/minecraft/src/buildcraft/transport/PipeLogicDiamond.java
@@ -88,7 +88,7 @@ public class PipeLogicDiamond extends PipeLogic {
 		if (APIProxy.isServerSide())
 			for (int p = 0; p < 6; ++p)
 				CoreProxy.sendToPlayers(
-						getContentsPacket(p), xCoord,
+						getContentsPacket(p), worldObj, xCoord,
 						yCoord, zCoord, 50, mod_BuildCraftTransport.instance);
 
 		return stack;
@@ -109,7 +109,7 @@ public class PipeLogicDiamond extends PipeLogic {
 		if (APIProxy.isServerSide())
 			for (int p = 0; p < 6; ++p)
 				CoreProxy.sendToPlayers(
-						getContentsPacket(p), xCoord,
+						getContentsPacket(p), worldObj, xCoord,
 						yCoord, zCoord, 50, mod_BuildCraftTransport.instance);
 	}
 
@@ -119,7 +119,7 @@ public class PipeLogicDiamond extends PipeLogic {
 			if (APIProxy.isServerSide())
 				for (int p = 0; p < 6; ++p)
 					CoreProxy.sendToPlayers(
-							getContentsPacket(p), xCoord,
+							getContentsPacket(p), worldObj, xCoord,
 							yCoord, zCoord, 50, mod_BuildCraftTransport.instance);
 	}
 
diff --git a/common/net/minecraft/src/buildcraft/transport/PipeTransportItems.java b/common/net/minecraft/src/buildcraft/transport/PipeTransportItems.java
index e69817aa..a9fb4d52 100644
--- a/common/net/minecraft/src/buildcraft/transport/PipeTransportItems.java
+++ b/common/net/minecraft/src/buildcraft/transport/PipeTransportItems.java
@@ -98,7 +98,7 @@ public class PipeTransportItems extends PipeTransport {
 		if (APIProxy.isServerSide())
 			if (item.synchroTracker.markTimeIfDelay(worldObj, 6 * BuildCraftCore.updateFactor))
 				CoreProxy.sendToPlayers(createItemPacket(item, orientation),
-						xCoord, yCoord, zCoord, 50,
+						worldObj, xCoord, yCoord, zCoord, 50,
 						mod_BuildCraftTransport.instance);
 
 		if (travelingEntities.size() > BuildCraftTransport.groupItemsTrigger) {
diff --git a/common/net/minecraft/src/buildcraft/transport/PipeTransportPower.java b/common/net/minecraft/src/buildcraft/transport/PipeTransportPower.java
index 6b881af4..1f841f42 100644
--- a/common/net/minecraft/src/buildcraft/transport/PipeTransportPower.java
+++ b/common/net/minecraft/src/buildcraft/transport/PipeTransportPower.java
@@ -159,7 +159,7 @@ public class PipeTransportPower extends PipeTransport {
 			if (tracker.markTimeIfDelay(worldObj, 2 * BuildCraftCore.updateFactor))
 				CoreProxy
 						.sendToPlayers(this.container.getUpdatePacket(),
-								xCoord, yCoord, zCoord, 40,
+								worldObj, xCoord, yCoord, zCoord, 40,
 								mod_BuildCraftCore.instance);
 
 	}
diff --git a/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java b/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
index 29275482..e1908e2b 100644
--- a/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
+++ b/common/net/minecraft/src/buildcraft/transport/TileGenericPipe.java
@@ -92,8 +92,8 @@ public class TileGenericPipe extends TileEntity implements IPowerReceptor,
 	public void synchronizeIfDelay (int delay) {
 		if (APIProxy.isServerSide())
 			if (networkSyncTracker.markTimeIfDelay(worldObj, delay))
-				CoreProxy.sendToPlayers(getUpdatePacket(), xCoord, yCoord,
-						zCoord, 40, mod_BuildCraftCore.instance);
+				CoreProxy.sendToPlayers(getUpdatePacket(), worldObj, xCoord,
+						yCoord, zCoord, 40, mod_BuildCraftCore.instance);
 	}
 
 	@Override