SkyChestTESR.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.tesr;


import net.minecraft.block.Block;
import net.minecraft.client.model.ModelChest;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import appeng.block.storage.BlockSkyChest;
import appeng.block.storage.BlockSkyChest.SkyChestType;
import appeng.client.render.FacingToRotation;
import appeng.core.AppEng;
import appeng.tile.storage.TileSkyChest;


@SideOnly( Side.CLIENT )
public class SkyChestTESR extends TileEntitySpecialRenderer<TileSkyChest>
{

	private static final ResourceLocation TEXTURE_STONE = new ResourceLocation( AppEng.MOD_ID, "textures/models/skychest.png" );
	private static final ResourceLocation TEXTURE_BLOCK = new ResourceLocation( AppEng.MOD_ID, "textures/models/skyblockchest.png" );

	private final ModelChest simpleChest = new ModelChest();

	public SkyChestTESR()
	{

	}

	@Override
	public void renderTileEntityAt( TileSkyChest te, double x, double y, double z, float partialTicks, int destroyStage )
	{
		GlStateManager.enableDepth();
		GlStateManager.depthFunc( 515 );
		GlStateManager.depthMask( true );

		ModelChest modelchest;

		modelchest = this.simpleChest;

		if( destroyStage >= 0 )
		{
			this.bindTexture( DESTROY_STAGES[destroyStage] );
			GlStateManager.matrixMode( 5890 );
			GlStateManager.pushMatrix();
			GlStateManager.scale( 4.0F, 4.0F, 1.0F );
			GlStateManager.translate( 0.0625F, 0.0625F, 0.0625F );
			GlStateManager.matrixMode( 5888 );
		}
		else
		{
			SkyChestType chestType = getChestType( te );
			this.bindTexture( chestType == SkyChestType.STONE ? TEXTURE_STONE : TEXTURE_BLOCK );
		}

		GlStateManager.pushMatrix();
		GlStateManager.enableRescaleNormal();
		GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
		GlStateManager.translate( (float) x, (float) y + 1.0F, (float) z + 1.0F );
		GlStateManager.scale( 1.0F, -1.0F, -1.0F );
		if( te != null )
		{
			GlStateManager.translate( 0.5F, 0.5F, 0.5F );
			// In the vanilla chest model, north and south are flipped
			EnumFacing forward = te.getForward();
			EnumFacing up = te.getUp();
			if( forward == EnumFacing.SOUTH )
			{
				forward = EnumFacing.NORTH;
			}
			else if( forward == EnumFacing.NORTH )
			{
				forward = EnumFacing.SOUTH;
			}
			if( up == EnumFacing.SOUTH )
			{
				up = EnumFacing.NORTH;
			}
			else if( up == EnumFacing.NORTH )
			{
				up = EnumFacing.SOUTH;
			}
			FacingToRotation.get( forward, up ).glRotateCurrentMat();
			GlStateManager.translate( -0.5F, -0.5F, -0.5F );
		}
		float f = te != null ? te.getPrevLidAngle() + ( te.getLidAngle() - te.getPrevLidAngle() ) * partialTicks : 0;

		f = 1.0F - f;
		f = 1.0F - f * f * f;
		modelchest.chestLid.rotateAngleX = -( f * ( (float) Math.PI / 2F ) );
		modelchest.renderAll();
		GlStateManager.disableRescaleNormal();
		GlStateManager.popMatrix();
		GlStateManager.color( 1.0F, 1.0F, 1.0F, 1.0F );

		if( destroyStage >= 0 )
		{
			GlStateManager.matrixMode( 5890 );
			GlStateManager.popMatrix();
			GlStateManager.matrixMode( 5888 );
		}
	}

	// Defensively determine the sky chest type
	private static SkyChestType getChestType( TileSkyChest te )
	{
		if( te == null )
		{
			return SkyChestType.BLOCK;
		}

		Block blockType = te.getBlockType();
		if( blockType instanceof BlockSkyChest )
		{
			return ( (BlockSkyChest) blockType ).type;
		}
		return SkyChestType.BLOCK;
	}

}