1 files changed, 7 insertions, 9 deletions
diff --git a/src/main/java/gregtech/api/interfaces/metatileentity/IMetaTileEntityItemPipe.java b/src/main/java/gregtech/api/interfaces/metatileentity/IMetaTileEntityItemPipe.java
index 76d3f56e74..0c2c5ebf28 100644
--- a/src/main/java/gregtech/api/interfaces/metatileentity/IMetaTileEntityItemPipe.java
+++ b/src/main/java/gregtech/api/interfaces/metatileentity/IMetaTileEntityItemPipe.java
@@ -1,14 +1,13 @@
 package gregtech.api.interfaces.metatileentity;
 
-import static gregtech.api.enums.GT_Values.ALL_VALID_SIDES;
-
 import java.util.Map;
 
+import net.minecraftforge.common.util.ForgeDirection;
+
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.metatileentity.BaseMetaPipeEntity;
-import gregtech.api.util.GT_Utility;
 
-public interface IMetaTileEntityItemPipe extends IMetaTileEntity {
+public interface IMetaTileEntityItemPipe extends IMetaTileEntityPipe {
 
     /**
      * @return if this Pipe can still be used.
@@ -32,10 +31,10 @@ public interface IMetaTileEntityItemPipe extends IMetaTileEntity {
      * Executes the Sending Code for inserting Stacks into the TileEntities.
      *
      * @param aSender the BaseMetaTileEntity sending the Stack.
-     * @param aSide   the Side of the PIPE facing the TileEntity.
+     * @param side    the Side of the PIPE facing the TileEntity.
      * @return if this Side was allowed to Output into the Block.
      */
-    boolean insertItemStackIntoTileEntity(Object aSender, byte aSide);
+    boolean insertItemStackIntoTileEntity(Object aSender, ForgeDirection side);
 
     /**
      * Can be used to make flow control Pipes, like Redpowers Restriction Tubes. Every normal Pipe returns a Value of
@@ -59,11 +58,10 @@ public interface IMetaTileEntityItemPipe extends IMetaTileEntity {
                 if (aMap.get(aMetaTileEntity) == null || aMap.get(aMetaTileEntity) > aStep) {
                     final IGregTechTileEntity aBaseMetaTileEntity = aMetaTileEntity.getBaseMetaTileEntity();
                     aMap.put(aMetaTileEntity, aStep);
-                    byte oppositeSide;
-                    for (byte side : ALL_VALID_SIDES) {
+                    for (final ForgeDirection side : ForgeDirection.VALID_DIRECTIONS) {
                         if (aMetaTileEntity instanceof IConnectable
                             && !((IConnectable) aMetaTileEntity).isConnectedAtSide(side)) continue;
-                        oppositeSide = GT_Utility.getOppositeSide(side);
+                        final ForgeDirection oppositeSide = side.getOpposite();
                         if (aSuckItems) {
                             if (aBaseMetaTileEntity.getCoverInfoAtSide(side)
                                 .letsItemsIn(-2)) {