/*
 * 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.model;


import net.minecraft.block.BlockState;
import net.minecraft.util.Direction;


/**
 * Used as the cache key for caching automatically rotated baked models.
 */
final class AutoRotatingCacheKey
{
	private final BlockState blockState;
	private final Direction forward;
	private final Direction up;
	private final Direction side;

	AutoRotatingCacheKey( BlockState blockState, Direction forward, Direction up, Direction side )
	{
		this.blockState = blockState;
		this.forward = forward;
		this.up = up;
		this.side = side;
	}

	public BlockState getBlockState()
	{
		return this.blockState;
	}

	public Direction getForward()
	{
		return this.forward;
	}

	public Direction getUp()
	{
		return this.up;
	}

	public Direction getSide()
	{
		return this.side;
	}

	@Override
	public boolean equals( Object o )
	{
		if( this == o )
		{
			return true;
		}
		if( o == null || this.getClass() != o.getClass() )
		{
			return false;
		}

		AutoRotatingCacheKey cacheKey = (AutoRotatingCacheKey) o;
		return this.blockState.equals( cacheKey.blockState ) && this.forward == cacheKey.forward && this.up == cacheKey.up && this.side == cacheKey.side;
	}

	@Override
	public int hashCode()
	{
		int result = this.blockState.hashCode();
		result = 31 * result + this.forward.hashCode();
		result = 31 * result + this.up.hashCode();
		result = 31 * result + ( this.side != null ? this.side.hashCode() : 0 );
		return result;
	}
}