001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.SideOnly; 005 import java.nio.FloatBuffer; 006 import java.util.Random; 007 import net.minecraft.client.Minecraft; 008 import org.lwjgl.opengl.GL11; 009 010 @SideOnly(Side.CLIENT) 011 public class RenderEndPortal extends TileEntitySpecialRenderer 012 { 013 FloatBuffer field_76908_a = GLAllocation.createDirectFloatBuffer(16); 014 015 /** 016 * Renders the End Portal. 017 */ 018 public void renderEndPortalTileEntity(TileEntityEndPortal par1TileEntityEndPortal, double par2, double par4, double par6, float par8) 019 { 020 float var9 = (float)this.tileEntityRenderer.playerX; 021 float var10 = (float)this.tileEntityRenderer.playerY; 022 float var11 = (float)this.tileEntityRenderer.playerZ; 023 GL11.glDisable(GL11.GL_LIGHTING); 024 Random var12 = new Random(31100L); 025 float var13 = 0.75F; 026 027 for (int var14 = 0; var14 < 16; ++var14) 028 { 029 GL11.glPushMatrix(); 030 float var15 = (float)(16 - var14); 031 float var16 = 0.0625F; 032 float var17 = 1.0F / (var15 + 1.0F); 033 034 if (var14 == 0) 035 { 036 this.bindTextureByName("/misc/tunnel.png"); 037 var17 = 0.1F; 038 var15 = 65.0F; 039 var16 = 0.125F; 040 GL11.glEnable(GL11.GL_BLEND); 041 GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); 042 } 043 044 if (var14 == 1) 045 { 046 this.bindTextureByName("/misc/particlefield.png"); 047 GL11.glEnable(GL11.GL_BLEND); 048 GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE); 049 var16 = 0.5F; 050 } 051 052 float var18 = (float)(-(par4 + (double)var13)); 053 float var19 = var18 + ActiveRenderInfo.objectY; 054 float var20 = var18 + var15 + ActiveRenderInfo.objectY; 055 float var21 = var19 / var20; 056 var21 += (float)(par4 + (double)var13); 057 GL11.glTranslatef(var9, var21, var11); 058 GL11.glTexGeni(GL11.GL_S, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 059 GL11.glTexGeni(GL11.GL_T, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 060 GL11.glTexGeni(GL11.GL_R, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 061 GL11.glTexGeni(GL11.GL_Q, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR); 062 GL11.glTexGen(GL11.GL_S, GL11.GL_OBJECT_PLANE, this.func_76907_a(1.0F, 0.0F, 0.0F, 0.0F)); 063 GL11.glTexGen(GL11.GL_T, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 1.0F, 0.0F)); 064 GL11.glTexGen(GL11.GL_R, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 0.0F, 1.0F)); 065 GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_76907_a(0.0F, 1.0F, 0.0F, 0.0F)); 066 GL11.glEnable(GL11.GL_TEXTURE_GEN_S); 067 GL11.glEnable(GL11.GL_TEXTURE_GEN_T); 068 GL11.glEnable(GL11.GL_TEXTURE_GEN_R); 069 GL11.glEnable(GL11.GL_TEXTURE_GEN_Q); 070 GL11.glPopMatrix(); 071 GL11.glMatrixMode(GL11.GL_TEXTURE); 072 GL11.glPushMatrix(); 073 GL11.glLoadIdentity(); 074 GL11.glTranslatef(0.0F, (float)(Minecraft.getSystemTime() % 700000L) / 700000.0F, 0.0F); 075 GL11.glScalef(var16, var16, var16); 076 GL11.glTranslatef(0.5F, 0.5F, 0.0F); 077 GL11.glRotatef((float)(var14 * var14 * 4321 + var14 * 9) * 2.0F, 0.0F, 0.0F, 1.0F); 078 GL11.glTranslatef(-0.5F, -0.5F, 0.0F); 079 GL11.glTranslatef(-var9, -var11, -var10); 080 var19 = var18 + ActiveRenderInfo.objectY; 081 GL11.glTranslatef(ActiveRenderInfo.objectX * var15 / var19, ActiveRenderInfo.objectZ * var15 / var19, -var10); 082 Tessellator var24 = Tessellator.instance; 083 var24.startDrawingQuads(); 084 var21 = var12.nextFloat() * 0.5F + 0.1F; 085 float var22 = var12.nextFloat() * 0.5F + 0.4F; 086 float var23 = var12.nextFloat() * 0.5F + 0.5F; 087 088 if (var14 == 0) 089 { 090 var23 = 1.0F; 091 var22 = 1.0F; 092 var21 = 1.0F; 093 } 094 095 var24.setColorRGBA_F(var21 * var17, var22 * var17, var23 * var17, 1.0F); 096 var24.addVertex(par2, par4 + (double)var13, par6); 097 var24.addVertex(par2, par4 + (double)var13, par6 + 1.0D); 098 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6 + 1.0D); 099 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6); 100 var24.draw(); 101 GL11.glPopMatrix(); 102 GL11.glMatrixMode(GL11.GL_MODELVIEW); 103 } 104 105 GL11.glDisable(GL11.GL_BLEND); 106 GL11.glDisable(GL11.GL_TEXTURE_GEN_S); 107 GL11.glDisable(GL11.GL_TEXTURE_GEN_T); 108 GL11.glDisable(GL11.GL_TEXTURE_GEN_R); 109 GL11.glDisable(GL11.GL_TEXTURE_GEN_Q); 110 GL11.glEnable(GL11.GL_LIGHTING); 111 } 112 113 private FloatBuffer func_76907_a(float par1, float par2, float par3, float par4) 114 { 115 this.field_76908_a.clear(); 116 this.field_76908_a.put(par1).put(par2).put(par3).put(par4); 117 this.field_76908_a.flip(); 118 return this.field_76908_a; 119 } 120 121 public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8) 122 { 123 this.renderEndPortalTileEntity((TileEntityEndPortal)par1TileEntity, par2, par4, par6, par8); 124 } 125 }