/*
 * 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.crafting;


import net.minecraft.block.state.IBlockState;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.client.renderer.vertex.VertexFormat;
import net.minecraft.util.EnumFacing;
import net.minecraftforge.common.property.IExtendedBlockState;

import appeng.api.util.AEColor;
import appeng.block.crafting.BlockCraftingMonitor;
import appeng.client.render.cablebus.CubeBuilder;


/**
 * The baked model for the crafting monitor. Please note that this model doesn't handle the item being displayed. That
 * is handled by a TESR.
 * Instead, this model adds 3 layered light textures using the [dark|medium|bright] color variants of the attached bus
 * color. The textures
 * are full-bright if the cube is powered.
 */
class MonitorBakedModel extends CraftingCubeBakedModel
{

	private final TextureAtlasSprite chassisTexture;

	private final TextureAtlasSprite baseTexture;

	private final TextureAtlasSprite lightDarkTexture;

	private final TextureAtlasSprite lightMediumTexture;

	private final TextureAtlasSprite lightBrightTexture;

	MonitorBakedModel( VertexFormat format, TextureAtlasSprite ringCorner, TextureAtlasSprite ringHor, TextureAtlasSprite ringVer, TextureAtlasSprite chassisTexture, TextureAtlasSprite baseTexture, TextureAtlasSprite lightDarkTexture, TextureAtlasSprite lightMediumTexture, TextureAtlasSprite lightBrightTexture )
	{
		super( format, ringCorner, ringHor, ringVer );
		this.chassisTexture = chassisTexture;
		this.baseTexture = baseTexture;
		this.lightDarkTexture = lightDarkTexture;
		this.lightMediumTexture = lightMediumTexture;
		this.lightBrightTexture = lightBrightTexture;
	}

	@Override
	protected void addInnerCube( EnumFacing side, IBlockState state, CubeBuilder builder, float x1, float y1, float z1, float x2, float y2, float z2 )
	{
		EnumFacing forward = getForward( state );

		// For sides other than the front, use the chassis texture
		if( side != forward )
		{
			builder.setTexture( chassisTexture );
			builder.addCube( x1, y1, z1, x2, y2, z2 );
			return;
		}

		builder.setTexture( baseTexture );
		builder.addCube( x1, y1, z1, x2, y2, z2 );

		// Now add the three layered light textures
		AEColor color = getColor( state );
		boolean powered = state.getValue( BlockCraftingMonitor.POWERED );

		builder.setRenderFullBright( powered );

		builder.setColorRGB( color.whiteVariant );
		builder.setTexture( lightBrightTexture );
		builder.addCube( x1, y1, z1, x2, y2, z2 );

		builder.setColorRGB( color.mediumVariant );
		builder.setTexture( lightMediumTexture );
		builder.addCube( x1, y1, z1, x2, y2, z2 );

		builder.setColorRGB( color.blackVariant );
		builder.setTexture( lightDarkTexture );
		builder.addCube( x1, y1, z1, x2, y2, z2 );

	}

	private static AEColor getColor( IBlockState state )
	{
		if( state instanceof IExtendedBlockState )
		{
			IExtendedBlockState extState = (IExtendedBlockState) state;
			AEColor color = extState.getValue( BlockCraftingMonitor.COLOR );
			if( color != null )
			{
				return color;
			}
		}

		return AEColor.TRANSPARENT;
	}

	private static EnumFacing getForward( IBlockState state )
	{
		if( state instanceof IExtendedBlockState )
		{
			IExtendedBlockState extState = (IExtendedBlockState) state;
			EnumFacing forward = extState.getValue( BlockCraftingMonitor.FORWARD );
			if( forward != null )
			{
				return forward;
			}
		}

		return EnumFacing.NORTH;
	}
}