TinkersConstruct/tinker/tconstruct/client/TankRender.java

package tinker.tconstruct.client;

import net.minecraft.block.Block;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.item.Item;
import net.minecraft.world.IBlockAccess;
import net.minecraftforge.client.ForgeHooksClient;
import net.minecraftforge.liquids.LiquidStack;

import org.lwjgl.opengl.GL11;

import tinker.common.BlockSkinRenderHelper;
import tinker.tconstruct.logic.LavaTankLogic;
import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
import cpw.mods.fml.client.registry.RenderingRegistry;

public class TankRender implements ISimpleBlockRenderingHandler
{
	public static int tankModelID = RenderingRegistry.getNextAvailableRenderId();

	@Override
	public void renderInventoryBlock (Block block, int metadata, int modelID, RenderBlocks renderer)
	{
		if (modelID == tankModelID)
		{
			renderDo(renderer, block, metadata);
			if (metadata == 0)
			{
				renderer.setRenderBounds(0.1875, 0, 0.1875, 0.8125, 0.125, 0.8125);
				renderDoRe(renderer, block, metadata);
			}
		}
	}

	@Override
	public boolean renderWorldBlock (IBlockAccess world, int x, int y, int z, Block block, int modelID, RenderBlocks renderer)
	{
		if (modelID == tankModelID)
		{
			int meta = world.getBlockMetadata(x, y, z);
			if (meta == 0 && world.getBlockId(x, y + 1, z) == 0)
			{
				renderer.setRenderBounds(0.1875, 0, 0.1875, 0.8125, 0.125, 0.8125);
				renderer.renderStandardBlock(block, x, y + 1, z);
				renderer.setRenderBounds(0, 0, 0, 1, 1, 1);
			}
			renderer.renderStandardBlock(block, x, y, z);
			LavaTankLogic logic = (LavaTankLogic) world.getBlockTileEntity(x, y, z);
			if (logic.containsLiquid())
			{
				LiquidStack liquid = logic.tank.getLiquid();
				renderer.setRenderBounds(0.001, 0.001, 0.001, 0.999, logic.getLiquidAmountScaled(), 0.999);
				if (liquid.itemID < 4096) //Block
				{
					Block liquidBlock = Block.blocksList[liquid.itemID];
					ForgeHooksClient.bindTexture(liquidBlock.getTextureFile(), 0);
					BlockSkinRenderHelper.renderMetadataBlock(liquidBlock, liquid.itemMeta, x, y, z, renderer, world);
				}
				else
				//Item
				{
					Item liquidItem = Item.itemsList[liquid.itemID];
					ForgeHooksClient.bindTexture(liquidItem.getTextureFile(), 0);
					BlockSkinRenderHelper.renderFakeBlock(liquidItem.getIconFromDamage(liquid.itemMeta), liquid.itemMeta, x, y, z, renderer, world);
				}
			}
		}
		return false;
	}

	@Override
	public boolean shouldRender3DInInventory ()
	{
		return true;
	}

	@Override
	public int getRenderId ()
	{
		return tankModelID;
	}

	private void renderDo (RenderBlocks renderblocks, Block block, int meta)
	{
		Tessellator tessellator = Tessellator.instance;
		GL11.glTranslatef(-0.5F, -0.5F, -0.5F);
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, -1F, 0.0F);
		renderblocks.renderBottomFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(0, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 1.0F, 0.0F);
		renderblocks.renderTopFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(1, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 0.0F, -1F);
		renderblocks.renderEastFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(2, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 0.0F, 1.0F);
		renderblocks.renderWestFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(3, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(-1F, 0.0F, 0.0F);
		renderblocks.renderNorthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(4, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(1.0F, 0.0F, 0.0F);
		renderblocks.renderSouthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(5, meta));
		tessellator.draw();
		GL11.glTranslatef(0.5F, 0.5F, 0.5F);
	}

	private void renderDoRe (RenderBlocks renderblocks, Block block, int meta)
	{
		Tessellator tessellator = Tessellator.instance;
		GL11.glTranslatef(-0.5F, 0.5F, -0.5F);
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, -1F, 0.0F);
		renderblocks.renderBottomFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(0, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 1.0F, 0.0F);
		renderblocks.renderTopFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(1, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 0.0F, -1F);
		renderblocks.renderEastFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(2, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(0.0F, 0.0F, 1.0F);
		renderblocks.renderWestFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(3, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(-1F, 0.0F, 0.0F);
		renderblocks.renderNorthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(4, meta));
		tessellator.draw();
		tessellator.startDrawingQuads();
		tessellator.setNormal(1.0F, 0.0F, 0.0F);
		renderblocks.renderSouthFace(block, 0.0D, 0.0D, 0.0D, block.getBlockTextureFromSideAndMetadata(5, meta));
		tessellator.draw();
		GL11.glTranslatef(0.5F, 0.5F, 0.5F);
	}
}