PipeRenderer.java

package emasher.client;

import cpw.mods.fml.client.FMLClientHandler;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import emasher.blocks.BlockFluidPipe;
import emasher.tileentities.TilePipeBase;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;


@SideOnly( Side.CLIENT )
public class PipeRenderer extends TileEntitySpecialRenderer {
	public static final PipeRenderer instance = new PipeRenderer();
	private final Tessellator tessellator = Tessellator.instance;
	private final RenderBlocks blockRender = new RenderBlocks();
	
	@Override
	public void renderTileEntityAt( TileEntity t, double x, double y, double z, float counter ) {
		TilePipeBase p = ( TilePipeBase ) t;
		BlockFluidPipe bfp = ( BlockFluidPipe ) emasher.blocks.Blocks.blockFluidPipe();
		
		if( p.colour == -1 ) return;
		
		FMLClientHandler.instance().getClient().entityRenderer.disableLightmap( 1 );
		RenderHelper.disableStandardItemLighting();
		
		for( int side = 0; side < 6; side++ ) {
			
			GL11.glPushMatrix();
			GL11.glPushAttrib( GL11.GL_ENABLE_BIT );
			GL11.glEnable( GL11.GL_CULL_FACE );
			GL11.glDisable( GL11.GL_LIGHTING );
			GL11.glEnable( GL11.GL_BLEND );
			GL11.glBlendFunc( GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA );
			
			
			GL11.glTranslatef( ( float ) x, ( float ) y, ( float ) z );
			
			
			switch(side) {
				case 0:
					GL11.glRotatef( 270, 1, 0, 0 );
					GL11.glRotatef( 180, 0, 0, 1 );
					GL11.glTranslatef( -1.0F, 0.0F, -0.001F );
					break;
				case 1:
					GL11.glRotatef( 90, 1, 0, 0 );
					GL11.glTranslatef( 0.0F, 0.0F, -1.001F );
					break;
				case 2:
					GL11.glRotatef( 180, 0, 0, 1 );
					GL11.glTranslatef( -1.0F, -1.0F, -0.001F );
					break;
				case 3:
					GL11.glRotatef( 180, 0, 0, 1 );
					GL11.glRotatef( 180, 0, 1, 0 );
					GL11.glTranslatef( 0.0F, -1.0F, -1.001F );
					break;
				case 4:
					GL11.glRotatef( 180, 0, 0, 1 );
					GL11.glRotatef( 270, 0, 1, 0 );
					GL11.glTranslatef( 0.0F, -1.0F, -0.001F );
					break;
				case 5:
					GL11.glRotatef( 180, 0, 0, 1 );
					GL11.glRotatef( 90, 0, 1, 0 );
					GL11.glTranslatef( -1.0F, -1.0F, -1.001F );
					break;
			}
			
			Minecraft.getMinecraft().renderEngine.bindTexture( new ResourceLocation( "textures/atlas/blocks.png" ) );
			
			IIcon icon = bfp.getColIcon( p.colour );
			
			tessellator.startDrawingQuads();
			
			tessellator.addVertexWithUV( 0, 1, 0, icon.getMinU(), icon.getMaxV() );
			tessellator.addVertexWithUV( 1, 1, 0, icon.getMaxU(), icon.getMaxV() );
			tessellator.addVertexWithUV( 1, 0, 0, icon.getMaxU(), icon.getMinV() );
			tessellator.addVertexWithUV( 0, 0, 0, icon.getMinU(), icon.getMinV() );
			
			tessellator.draw();
			
			FMLClientHandler.instance().getClient().entityRenderer.enableLightmap( 1 );
			RenderHelper.enableStandardItemLighting();
			
			GL11.glDisable( GL11.GL_CULL_FACE );
			GL11.glEnable( GL11.GL_LIGHTING );
			GL11.glPopAttrib();
			GL11.glPopMatrix();
		}
		
		FMLClientHandler.instance().getClient().entityRenderer.enableLightmap( ( double ) counter );
		RenderHelper.enableStandardItemLighting();
		
	}

}