Hbm-s-Nuclear-Tech-GIT/src/main/java/com/hbm/render/block/RenderGrate.java

package com.hbm.render.block;

import com.hbm.blocks.generic.BlockGrate;

import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.world.IBlockAccess;

public class RenderGrate implements ISimpleBlockRenderingHandler {

	@Override
	public void renderInventoryBlock(Block block, int metadata, int modelId, RenderBlocks renderer) { }

	@Override
	public boolean renderWorldBlock(IBlockAccess world, int x, int y, int z, Block block, int modelId, RenderBlocks renderer) {

		Tessellator tessellator = Tessellator.instance;
		int meta = world.getBlockMetadata(x, y, z);

		tessellator.setBrightness(block.getMixedBrightnessForBlock(world, x, y, z));
		tessellator.setColorOpaque_F(1, 1, 1);

		float fy = ((BlockGrate)block).getY(meta);
		if(fy < 0) {
			fy++;
			y--;
		} else if(fy >= 1) {
			fy--;
			y++;
		}

		renderer.setRenderBounds(0.0D, fy, 0D, 1D, fy + 0.125D, 1D);
		renderer.renderStandardBlock(block, x, y, z);
		return true;
	}

	@Override
	public boolean shouldRender3DInInventory(int modelId) {
		return false;
	}

	@Override
	public int getRenderId() {
		return BlockGrate.renderID;
	}
}