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 public void func_76906_a(TileEntityEndPortal par1TileEntityEndPortal, double par2, double par4, double par6, float par8) 016 { 017 float var9 = (float)this.tileEntityRenderer.playerX; 018 float var10 = (float)this.tileEntityRenderer.playerY; 019 float var11 = (float)this.tileEntityRenderer.playerZ; 020 GL11.glDisable(GL11.GL_LIGHTING); 021 Random var12 = new Random(31100L); 022 float var13 = 0.75F; 023 024 for (int var14 = 0; var14 < 16; ++var14) 025 { 026 GL11.glPushMatrix(); 027 float var15 = (float)(16 - var14); 028 float var16 = 0.0625F; 029 float var17 = 1.0F / (var15 + 1.0F); 030 031 if (var14 == 0) 032 { 033 this.bindTextureByName("/misc/tunnel.png"); 034 var17 = 0.1F; 035 var15 = 65.0F; 036 var16 = 0.125F; 037 GL11.glEnable(GL11.GL_BLEND); 038 GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); 039 } 040 041 if (var14 == 1) 042 { 043 this.bindTextureByName("/misc/particlefield.png"); 044 GL11.glEnable(GL11.GL_BLEND); 045 GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE); 046 var16 = 0.5F; 047 } 048 049 float var18 = (float)(-(par4 + (double)var13)); 050 float var19 = var18 + ActiveRenderInfo.objectY; 051 float var20 = var18 + var15 + ActiveRenderInfo.objectY; 052 float var21 = var19 / var20; 053 var21 += (float)(par4 + (double)var13); 054 GL11.glTranslatef(var9, var21, var11); 055 GL11.glTexGeni(GL11.GL_S, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 056 GL11.glTexGeni(GL11.GL_T, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 057 GL11.glTexGeni(GL11.GL_R, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 058 GL11.glTexGeni(GL11.GL_Q, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR); 059 GL11.glTexGen(GL11.GL_S, GL11.GL_OBJECT_PLANE, this.func_76907_a(1.0F, 0.0F, 0.0F, 0.0F)); 060 GL11.glTexGen(GL11.GL_T, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 1.0F, 0.0F)); 061 GL11.glTexGen(GL11.GL_R, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 0.0F, 1.0F)); 062 GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_76907_a(0.0F, 1.0F, 0.0F, 0.0F)); 063 GL11.glEnable(GL11.GL_TEXTURE_GEN_S); 064 GL11.glEnable(GL11.GL_TEXTURE_GEN_T); 065 GL11.glEnable(GL11.GL_TEXTURE_GEN_R); 066 GL11.glEnable(GL11.GL_TEXTURE_GEN_Q); 067 GL11.glPopMatrix(); 068 GL11.glMatrixMode(GL11.GL_TEXTURE); 069 GL11.glPushMatrix(); 070 GL11.glLoadIdentity(); 071 GL11.glTranslatef(0.0F, (float)(Minecraft.getSystemTime() % 700000L) / 700000.0F, 0.0F); 072 GL11.glScalef(var16, var16, var16); 073 GL11.glTranslatef(0.5F, 0.5F, 0.0F); 074 GL11.glRotatef((float)(var14 * var14 * 4321 + var14 * 9) * 2.0F, 0.0F, 0.0F, 1.0F); 075 GL11.glTranslatef(-0.5F, -0.5F, 0.0F); 076 GL11.glTranslatef(-var9, -var11, -var10); 077 var19 = var18 + ActiveRenderInfo.objectY; 078 GL11.glTranslatef(ActiveRenderInfo.objectX * var15 / var19, ActiveRenderInfo.objectZ * var15 / var19, -var10); 079 Tessellator var24 = Tessellator.instance; 080 var24.startDrawingQuads(); 081 var21 = var12.nextFloat() * 0.5F + 0.1F; 082 float var22 = var12.nextFloat() * 0.5F + 0.4F; 083 float var23 = var12.nextFloat() * 0.5F + 0.5F; 084 085 if (var14 == 0) 086 { 087 var23 = 1.0F; 088 var22 = 1.0F; 089 var21 = 1.0F; 090 } 091 092 var24.setColorRGBA_F(var21 * var17, var22 * var17, var23 * var17, 1.0F); 093 var24.addVertex(par2, par4 + (double)var13, par6); 094 var24.addVertex(par2, par4 + (double)var13, par6 + 1.0D); 095 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6 + 1.0D); 096 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6); 097 var24.draw(); 098 GL11.glPopMatrix(); 099 GL11.glMatrixMode(GL11.GL_MODELVIEW); 100 } 101 102 GL11.glDisable(GL11.GL_BLEND); 103 GL11.glDisable(GL11.GL_TEXTURE_GEN_S); 104 GL11.glDisable(GL11.GL_TEXTURE_GEN_T); 105 GL11.glDisable(GL11.GL_TEXTURE_GEN_R); 106 GL11.glDisable(GL11.GL_TEXTURE_GEN_Q); 107 GL11.glEnable(GL11.GL_LIGHTING); 108 } 109 110 private FloatBuffer func_76907_a(float par1, float par2, float par3, float par4) 111 { 112 this.field_76908_a.clear(); 113 this.field_76908_a.put(par1).put(par2).put(par3).put(par4); 114 this.field_76908_a.flip(); 115 return this.field_76908_a; 116 } 117 118 public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8) 119 { 120 this.func_76906_a((TileEntityEndPortal)par1TileEntity, par2, par4, par6, par8); 121 } 122 }