/*
 * 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 javax.annotation.Nullable;

import net.minecraft.block.state.IBlockState;
import net.minecraft.client.renderer.color.IBlockColor;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;

import appeng.api.implementations.tiles.IColorableTile;
import appeng.api.util.AEColor;


/**
 * Automatically exposes the color of a colorable tile using tint indices 0-2
 */
public class ColorableTileBlockColor implements IBlockColor
{

	public static final ColorableTileBlockColor INSTANCE = new ColorableTileBlockColor();

	@Override
	public int colorMultiplier( IBlockState state, @Nullable IBlockAccess worldIn, @Nullable BlockPos pos, int tintIndex )
	{
		AEColor color = AEColor.TRANSPARENT; // Default to a neutral color

		if( worldIn != null && pos != null )
		{
			TileEntity te = worldIn.getTileEntity( pos );
			if( te instanceof IColorableTile )
			{
				color = ( (IColorableTile) te ).getColor();
			}
		}

		return color.getVariantByTintIndex( tintIndex );
	}
}