001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import net.minecraft.client.Minecraft; 006 import net.minecraftforge.client.ForgeHooksClient; 007 008 import org.lwjgl.opengl.GL11; 009 010 @SideOnly(Side.CLIENT) 011 public class TileEntityRendererPiston extends TileEntitySpecialRenderer 012 { 013 /** instance of RenderBlocks used to draw the piston base and extension. */ 014 private RenderBlocks blockRenderer; 015 016 public void renderPiston(TileEntityPiston par1TileEntityPiston, double par2, double par4, double par6, float par8) 017 { 018 Block var9 = Block.blocksList[par1TileEntityPiston.getStoredBlockID()]; 019 020 if (var9 != null && par1TileEntityPiston.getProgress(par8) < 1.0F) 021 { 022 Tessellator var10 = Tessellator.instance; 023 this.bindTextureByName("/terrain.png"); 024 RenderHelper.disableStandardItemLighting(); 025 GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); 026 GL11.glEnable(GL11.GL_BLEND); 027 GL11.glDisable(GL11.GL_CULL_FACE); 028 029 if (Minecraft.isAmbientOcclusionEnabled()) 030 { 031 GL11.glShadeModel(GL11.GL_SMOOTH); 032 } 033 else 034 { 035 GL11.glShadeModel(GL11.GL_FLAT); 036 } 037 038 ForgeHooksClient.beforeBlockRender(var9, blockRenderer); 039 var10.startDrawingQuads(); 040 var10.setTranslation((double)((float)par2 - (float)par1TileEntityPiston.xCoord + par1TileEntityPiston.getOffsetX(par8)), (double)((float)par4 - (float)par1TileEntityPiston.yCoord + par1TileEntityPiston.getOffsetY(par8)), (double)((float)par6 - (float)par1TileEntityPiston.zCoord + par1TileEntityPiston.getOffsetZ(par8))); 041 var10.setColorOpaque(1, 1, 1); 042 043 if (var9 == Block.pistonExtension && par1TileEntityPiston.getProgress(par8) < 0.5F) 044 { 045 this.blockRenderer.renderPistonExtensionAllFaces(var9, par1TileEntityPiston.xCoord, par1TileEntityPiston.yCoord, par1TileEntityPiston.zCoord, false); 046 } 047 else if (par1TileEntityPiston.shouldRenderHead() && !par1TileEntityPiston.isExtending()) 048 { 049 Block.pistonExtension.setHeadTexture(((BlockPistonBase)var9).getPistonExtensionTexture()); 050 this.blockRenderer.renderPistonExtensionAllFaces(Block.pistonExtension, par1TileEntityPiston.xCoord, par1TileEntityPiston.yCoord, par1TileEntityPiston.zCoord, par1TileEntityPiston.getProgress(par8) < 0.5F); 051 Block.pistonExtension.clearHeadTexture(); 052 var10.setTranslation((double)((float)par2 - (float)par1TileEntityPiston.xCoord), (double)((float)par4 - (float)par1TileEntityPiston.yCoord), (double)((float)par6 - (float)par1TileEntityPiston.zCoord)); 053 this.blockRenderer.renderPistonBaseAllFaces(var9, par1TileEntityPiston.xCoord, par1TileEntityPiston.yCoord, par1TileEntityPiston.zCoord); 054 } 055 else 056 { 057 this.blockRenderer.renderBlockAllFaces(var9, par1TileEntityPiston.xCoord, par1TileEntityPiston.yCoord, par1TileEntityPiston.zCoord); 058 } 059 060 var10.setTranslation(0.0D, 0.0D, 0.0D); 061 var10.draw(); 062 ForgeHooksClient.afterBlockRender(var9, blockRenderer); 063 RenderHelper.enableStandardItemLighting(); 064 } 065 } 066 067 /** 068 * Called when the ingame world being rendered changes (e.g. on world -> nether travel) due to using one renderer 069 * per tile entity type, rather than instance 070 */ 071 public void onWorldChange(World par1World) 072 { 073 this.blockRenderer = new RenderBlocks(par1World); 074 } 075 076 public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8) 077 { 078 this.renderPiston((TileEntityPiston)par1TileEntity, par2, par4, par6, par8); 079 } 080 }