textures for the controller + basic code for directional blocks

src/main/java/storagecraft/block/BlockController.java

@@ -1,13 +1,19 @@
 package storagecraft.block;
 
 import net.minecraft.block.ITileEntityProvider;
+import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.IIcon;
+import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 import storagecraft.SC;
 import storagecraft.tile.TileController;
 
 public class BlockController extends BlockSC implements ITileEntityProvider {
+	private IIcon sideIcon;
+	private IIcon[] icons = new IIcon[6];
+
 	public BlockController() {
 		super("controller");
 	}
@@ -32,4 +38,33 @@ public class BlockController extends BlockSC implements ITileEntityProvider {
 
 		super.onBlockPreDestroy(world, x, y, z, meta);
 	}
+
+	@Override
+	public void registerBlockIcons(IIconRegister register) {
+		for (int i = 0; i <= 5; ++i) {
+			icons[i] = register.registerIcon("storagecraft:controller" + i);
+		}
+
+		sideIcon = register.registerIcon("storagecraft:generic");
+	}
+
+	@Override
+	public IIcon getIcon(IBlockAccess world, int x, int y, int z, int side) {
+		if (side == 0 || side == 1) {
+			return sideIcon;
+		}
+
+		TileController controller = (TileController) world.getTileEntity(x, y, z);
+
+		return icons[(int) ((float) controller.getEnergyStored(null) / (float) controller.getMaxEnergyStored(null) * 5f)];
+	}
+
+	@Override
+	public IIcon getIcon(int side, int meta) {
+		if (side == 0 || side == 1) {
+			return sideIcon;
+		}
+
+		return icons[0];
+	}
 }