Java tutorial
/* * 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(); } }