Prevent weird GUI behaviour at small X coordinates

GTNewHorizons/GT-New-Horizons-Modpack#7377

Author: repo-alt

gradle.properties

@@ -1,6 +1,6 @@
 aeversion=rv3
 aechannel=beta
-aebuild=40-GTNH
+aebuild=41-GTNH
 #KEEP V6 FOR MOD SUPPORT
 aegroup=appeng
 aebasename=appliedenergistics2

src/main/java/appeng/core/sync/GuiBridge.java

@@ -215,16 +215,17 @@ private void getGui()
 	public Object getServerGuiElement( final int ordinal, final EntityPlayer player, final World w, final int x, final int y, final int z )
 	{
 		final ForgeDirection side = ForgeDirection.getOrientation( ordinal & 0x07 );
-		final GuiBridge ID = values()[ordinal >> 4];
+		final GuiBridge ID = values()[ordinal >> 5];
 		final boolean stem = ( ( ordinal >> 3 ) & 1 ) == 1;
+		final boolean xIsSlotIndex = ( ( ordinal >> 4 ) & 1 ) == 1;
 		if( ID.type.isItem() )
 		{
 			ItemStack it = null;
 			if( stem )
 			{
 				it = player.inventory.getCurrentItem();
 			}
-			else if( x >= 0 && x < player.inventory.mainInventory.length )
+			else if( xIsSlotIndex && x >= 0 && x < player.inventory.mainInventory.length )
 			{
 				it = player.inventory.getStackInSlot( x );
 			}
@@ -397,16 +398,17 @@ private void addPressAchievementToPlayer( final ItemStack newItem, final IMateri
 	public Object getClientGuiElement( final int ordinal, final EntityPlayer player, final World w, final int x, final int y, final int z )
 	{
 		final ForgeDirection side = ForgeDirection.getOrientation( ordinal & 0x07 );
-		final GuiBridge ID = values()[ordinal >> 4];
+		final GuiBridge ID = values()[ordinal >> 5];
 		final boolean stem = ( ( ordinal >> 3 ) & 1 ) == 1;
+		final boolean xIsSlotIndex = ( ( ordinal >> 4 ) & 1 ) == 1;
 		if( ID.type.isItem() )
 		{
 			ItemStack it = null;
 			if( stem )
 			{
 				it = player.inventory.getCurrentItem();
 			}
-			else if( x >= 0 && x < player.inventory.mainInventory.length )
+			else if (xIsSlotIndex && x >= 0 && x < player.inventory.mainInventory.length )
 			{
 				it = player.inventory.getStackInSlot( x );
 			}

src/main/java/appeng/util/Platform.java

@@ -338,15 +338,15 @@ public static void openGUI( @Nonnull final EntityPlayer p, @Nullable final TileE
 		{
 			if( tile == null && type.getType() == GuiHostType.ITEM )
 			{
-				p.openGui( AppEng.instance(), type.ordinal() << 4, p.getEntityWorld(), p.inventory.currentItem, 0, 0 );
+				p.openGui( AppEng.instance(), type.ordinal() << 5 | (1 << 4), p.getEntityWorld(), p.inventory.currentItem, 0, 0 );
 			}
 			else if( tile == null || type.getType() == GuiHostType.ITEM )
 			{
-				p.openGui( AppEng.instance(), type.ordinal() << 4 | ( 1 << 3 ), p.getEntityWorld(), x, y, z );
+				p.openGui( AppEng.instance(), type.ordinal() << 5 | ( 1 << 3 ), p.getEntityWorld(), x, y, z );
 			}
 			else
 			{
-				p.openGui( AppEng.instance(), type.ordinal() << 4 | ( side.ordinal() ), tile.getWorldObj(), x, y, z );
+				p.openGui( AppEng.instance(), type.ordinal() << 5 | ( side.ordinal() ), tile.getWorldObj(), x, y, z );
 			}
 		}
 	}