Fix chisel using its own render pass variable

src/main/java/com/cricketcraft/chisel/block/BlockMultiLayerBase.java

@@ -4,12 +4,12 @@ import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.util.IIcon;
+import net.minecraftforge.client.ForgeHooksClient;
 
 import com.cricketcraft.chisel.client.render.RendererMultiLayer;
 
 public abstract class BlockMultiLayerBase extends Block {
 
-	public int currentPass;
 	public Block base;
 	public IIcon icon;
 	String iconFile;
@@ -43,8 +43,7 @@ public abstract class BlockMultiLayerBase extends Block {
 
 	@Override
 	public boolean canRenderInPass(int pass) {
-		currentPass = pass;
-
+		ForgeHooksClient.setRenderPass(pass);
 		return pass == 1 || pass == 0;
 	}
 

src/main/java/com/cricketcraft/chisel/client/render/RendererMultiLayer.java

@@ -9,7 +9,7 @@ import net.minecraft.block.Block;
 import net.minecraft.client.renderer.RenderBlocks;
 import net.minecraft.init.Blocks;
 import net.minecraft.world.IBlockAccess;
-
+import net.minecraftforge.client.MinecraftForgeClient;
 import static org.lwjgl.opengl.GL11.*;
 
 public class RendererMultiLayer implements ISimpleBlockRenderingHandler {
@@ -52,7 +52,7 @@ public class RendererMultiLayer implements ISimpleBlockRenderingHandler {
 			return false;
 		BlockMultiLayerBase block = (BlockMultiLayerBase) blck;
 
-		if (block.currentPass == 0) {
+		if (MinecraftForgeClient.getRenderPass() == 0) {
 			if (block.icon != null) {
 				renderer.overrideBlockTexture = block.icon;
 				renderer.renderStandardBlock(block, x, y, z);