rotate to always show controller at bottom right

src/main/java/com/hbm/blocks/machine/MachinePWRController.java

@@ -56,7 +56,7 @@ public class MachinePWRController extends BlockContainer implements ITooltipProv
 	@Override
 	@SideOnly(Side.CLIENT)
 	public IIcon getIcon(int side, int metadata) {
-		return metadata == 0 && side == 3 ? this.iconFront : (side == metadata ? this.iconFront : this.blockIcon);
+		return metadata == 0 && side != 0 && side != 1 ? this.iconFront : (side == metadata ? this.iconFront : this.blockIcon);
 	}
 
 	@Override

src/main/java/com/hbm/inventory/gui/GUIScreenSlicePrinter.java

@@ -18,12 +18,14 @@ import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.client.renderer.texture.TextureMap;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.ChatComponentText;
+import net.minecraftforge.common.util.ForgeDirection;
 
 public class GUIScreenSlicePrinter extends GuiScreen {
 
 	private final int x1, y1, z1;
 	private final int x2, y2, z2;
 	private final int sizeX, sizeY, sizeZ;
+	private final ForgeDirection dir;
 
 	private HashSet<Block> whitelist;
 
@@ -34,7 +36,7 @@ public class GUIScreenSlicePrinter extends GuiScreen {
 	private String dirname;
     private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss");
 
-	public GUIScreenSlicePrinter(int x1, int y1, int z1, int x2, int y2, int z2) {
+	public GUIScreenSlicePrinter(int x1, int y1, int z1, int x2, int y2, int z2, ForgeDirection dir) {
 		this.x1 = Math.min(x1, x2);
 		this.y1 = Math.min(y1, y2);
 		this.z1 = Math.min(z1, z2);
@@ -42,6 +44,8 @@ public class GUIScreenSlicePrinter extends GuiScreen {
 		this.y2 = Math.max(y1, y2);
 		this.z2 = Math.max(z1, z2);
 
+		this.dir = dir;
+
 		this.sizeX = this.x2 - this.x1 + 1;
 		this.sizeY = this.y2 - this.y1 + 1;
 		this.sizeZ = this.z2 - this.z1 + 1;
@@ -49,8 +53,8 @@ public class GUIScreenSlicePrinter extends GuiScreen {
 		dirname = dateFormat.format(new Date()).toString();
 	}
 
-	public GUIScreenSlicePrinter(int x1, int y1, int z1, int x2, int y2, int z2, HashSet<Block> whitelist) {
+	public GUIScreenSlicePrinter(int x1, int y1, int z1, int x2, int y2, int z2, ForgeDirection dir, HashSet<Block> whitelist) {
-		this(x1, y1, z1, x2, y2, z2);
+		this(x1, y1, z1, x2, y2, z2, dir);
 		this.whitelist = whitelist;
 	}
 
@@ -121,7 +125,20 @@ public class GUIScreenSlicePrinter extends GuiScreen {
 
 		GL11.glRotated(-30, 1, 0, 0);
 		GL11.glRotated(-45, 0, 1, 0);
-		GL11.glTranslated(sizeX / -2D, -sizeY / 2D, sizeZ / -2D);
+
+		if(dir == ForgeDirection.WEST) {
+			GL11.glRotated(180, 0, 1, 0);
+		} else if(dir == ForgeDirection.NORTH) {
+			GL11.glRotated(-90, 0, 1, 0);
+		} else if(dir == ForgeDirection.SOUTH) {
+			GL11.glRotated(90, 0, 1, 0);
+		}
+
+		if(dir == ForgeDirection.WEST || dir == ForgeDirection.EAST) {
+			GL11.glTranslated(sizeX / -2D, -sizeY / 2D, sizeZ / -2D);
+		} else {
+			GL11.glTranslated(sizeZ / -2D, -sizeY / 2D, sizeX / -2D);
+		}
 	}
 
 }

src/main/java/com/hbm/items/machine/ItemPWRPrinter.java

@@ -29,6 +29,7 @@ public class ItemPWRPrinter extends Item implements IGUIProvider {
 	private static int x1, y1, z1;
 	private static int x2, y2, z2;
 	private static Block[] blockSync;
+	private static ForgeDirection dir;
 
 	private HashSet<BlockPos> fill = new HashSet<>();
 	private static HashSet<Block> whitelist = new HashSet<Block>() {{
@@ -44,6 +45,7 @@ public class ItemPWRPrinter extends Item implements IGUIProvider {
 		buf.writeInt(x2);
 		buf.writeInt(y2);
 		buf.writeInt(z2);
+		buf.writeInt(dir.ordinal());
 
 		for(Block block : blockSync) {
 			buf.writeInt(Block.getIdFromBlock(block));
@@ -59,6 +61,7 @@ public class ItemPWRPrinter extends Item implements IGUIProvider {
 		x2 = buf.readInt();
 		y2 = buf.readInt();
 		z2 = buf.readInt();
+		dir = ForgeDirection.values()[buf.readInt()];
 
 		for(int x = x1; x <= x2; x++) {
 			for(int y = y1; y <= y2; y++) {
@@ -121,7 +124,7 @@ public class ItemPWRPrinter extends Item implements IGUIProvider {
 	}
 
 	public void findBounds(World world, TileEntityPWRController pwr) {
-		ForgeDirection dir = ForgeDirection.getOrientation(world.getBlockMetadata(pwr.xCoord, pwr.yCoord, pwr.zCoord)).getOpposite();
+		dir = ForgeDirection.getOrientation(world.getBlockMetadata(pwr.xCoord, pwr.yCoord, pwr.zCoord)).getOpposite();
 
 		fill.clear();
 		fill.add(new BlockPos(pwr.xCoord, pwr.yCoord, pwr.zCoord));
@@ -161,7 +164,7 @@ public class ItemPWRPrinter extends Item implements IGUIProvider {
 
 	@Override
 	public Object provideGUI(int ID, EntityPlayer player, World world, int x, int y, int z) {
-		return new GUIScreenSlicePrinter(x1, y1, z1, x2, y2, z2, whitelist);
+		return new GUIScreenSlicePrinter(x1, y1, z1, x2, y2, z2, dir, whitelist);
 	}
 
 	@SuppressWarnings({ "unchecked", "rawtypes" })