Applied-Energistics-2-tilera-Edition/src/main/java/appeng/client/render/TESRWrapper.java

/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.client.render;


import org.lwjgl.opengl.GL11;

import net.minecraft.block.Block;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

import appeng.block.AEBaseBlock;
import appeng.core.AELog;
import appeng.tile.AEBaseTile;


@SideOnly( Side.CLIENT )
public class TESRWrapper extends TileEntitySpecialRenderer
{

	public final RenderBlocks renderBlocksInstance = new RenderBlocks();

	final BaseBlockRender blkRender;
	private final double maxDistance;

	public TESRWrapper( BaseBlockRender render )
	{
		this.blkRender = render;
		this.maxDistance = this.blkRender.getTesrRenderDistance();
	}

	@Override
	public final void renderTileEntityAt( TileEntity te, double x, double y, double z, float f )
	{
		if( te instanceof AEBaseTile )
		{
			Block b = te.getBlockType();

			if( b instanceof AEBaseBlock && ( (AEBaseTile) te ).requiresTESR() )
			{
				if( Math.abs( x ) > this.maxDistance || Math.abs( y ) > this.maxDistance || Math.abs( z ) > this.maxDistance )
				{
					return;
				}

				Tessellator tess = Tessellator.instance;

				try
				{
					GL11.glPushMatrix();
					GL11.glPushAttrib( GL11.GL_ALL_ATTRIB_BITS );

					this.renderBlocksInstance.blockAccess = te.getWorldObj();
					this.blkRender.renderTile( (AEBaseBlock) b, (AEBaseTile) te, tess, x, y, z, f, this.renderBlocksInstance );

					GL11.glPopAttrib();
					GL11.glPopMatrix();
				}
				catch( Throwable t )
				{
					AELog.severe( "Hi, Looks like there was a crash while rendering something..." );
					t.printStackTrace();
					AELog.severe( "MC will now crash ( probably )!" );
					throw new IllegalStateException( t );
				}
			}
		}
	}
}