CrankTESR.java example

Explorer
Applied-Energistics-2-master
- src
/*
 * 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 org.lwjgl.opengl.GL11;

import net.minecraft.block.state.IBlockState;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.BlockRendererDispatcher;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.VertexBuffer;
import net.minecraft.client.renderer.block.model.IBakedModel;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

import appeng.client.render.FacingToRotation;
import appeng.tile.grindstone.TileCrank;


/**
 * This FastTESR only handles the animated model of the turning crank. When the crank is at rest, it is rendered using a normal model.
 */
@SideOnly( Side.CLIENT )
public class CrankTESR extends TileEntitySpecialRenderer<TileCrank>
{

	@Override
	public void renderTileEntityAt( TileCrank te, double x, double y, double z, float partialTicks, int destroyStage )
	{
		// Most of this is blatantly copied from FastTESR
		Tessellator tessellator = Tessellator.getInstance();
		this.bindTexture( TextureMap.LOCATION_BLOCKS_TEXTURE );
		RenderHelper.disableStandardItemLighting();
		GlStateManager.blendFunc( GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA );
		GlStateManager.enableBlend();
		GlStateManager.disableCull();

		if( Minecraft.isAmbientOcclusionEnabled() )
		{
			GlStateManager.shadeModel( GL11.GL_SMOOTH );
		}
		else
		{
			GlStateManager.shadeModel( GL11.GL_FLAT );
		}

		IBlockState blockState = te.getWorld().getBlockState( te.getPos() );

		BlockRendererDispatcher dispatcher = Minecraft.getMinecraft().getBlockRendererDispatcher();
		IBakedModel model = dispatcher.getModelForState( blockState );

		VertexBuffer buffer = tessellator.getBuffer();
		buffer.begin( GL11.GL_QUADS, DefaultVertexFormats.BLOCK );

		// The translation ensures the vertex buffer positions are relative to 0,0,0 instead of the block pos
		// This makes the translations that follow much easier
		buffer.setTranslation( -te.getPos().getX(), -te.getPos().getY(), -te.getPos().getZ() );
		dispatcher.getBlockModelRenderer().renderModel( te.getWorld(), model, blockState, te.getPos(), buffer, false );
		buffer.setTranslation( 0, 0, 0 );

		GlStateManager.pushMatrix();
		GlStateManager.translate( x, y, z );

		// Apply GL transformations relative to the center of the block: 1) TE rotation and 2) crank rotation
		GlStateManager.translate( 0.5, 0.5, 0.5 );
		FacingToRotation.get( te.getForward(), te.getUp() ).glRotateCurrentMat();
		GlStateManager.rotate( te.getVisibleRotation(), 0, 1, 0 );
		GlStateManager.translate( -0.5, -0.5, -0.5 );

		tessellator.draw();

		GlStateManager.popMatrix();

		RenderHelper.enableStandardItemLighting();
	}

}