001package net.minecraft.client.renderer.tileentity; 002 003import cpw.mods.fml.relauncher.Side; 004import cpw.mods.fml.relauncher.SideOnly; 005import java.nio.FloatBuffer; 006import java.util.Random; 007import net.minecraft.client.Minecraft; 008import net.minecraft.client.renderer.ActiveRenderInfo; 009import net.minecraft.client.renderer.GLAllocation; 010import net.minecraft.client.renderer.Tessellator; 011import net.minecraft.tileentity.TileEntity; 012import net.minecraft.tileentity.TileEntityEndPortal; 013import org.lwjgl.opengl.GL11; 014 015@SideOnly(Side.CLIENT) 016public class RenderEndPortal extends TileEntitySpecialRenderer 017{ 018 FloatBuffer field_76908_a = GLAllocation.createDirectFloatBuffer(16); 019 020 /** 021 * Renders the End Portal. 022 */ 023 public void renderEndPortalTileEntity(TileEntityEndPortal par1TileEntityEndPortal, double par2, double par4, double par6, float par8) 024 { 025 float f1 = (float)this.tileEntityRenderer.playerX; 026 float f2 = (float)this.tileEntityRenderer.playerY; 027 float f3 = (float)this.tileEntityRenderer.playerZ; 028 GL11.glDisable(GL11.GL_LIGHTING); 029 Random random = new Random(31100L); 030 float f4 = 0.75F; 031 032 for (int i = 0; i < 16; ++i) 033 { 034 GL11.glPushMatrix(); 035 float f5 = (float)(16 - i); 036 float f6 = 0.0625F; 037 float f7 = 1.0F / (f5 + 1.0F); 038 039 if (i == 0) 040 { 041 this.bindTextureByName("/misc/tunnel.png"); 042 f7 = 0.1F; 043 f5 = 65.0F; 044 f6 = 0.125F; 045 GL11.glEnable(GL11.GL_BLEND); 046 GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); 047 } 048 049 if (i == 1) 050 { 051 this.bindTextureByName("/misc/particlefield.png"); 052 GL11.glEnable(GL11.GL_BLEND); 053 GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE); 054 f6 = 0.5F; 055 } 056 057 float f8 = (float)(-(par4 + (double)f4)); 058 float f9 = f8 + ActiveRenderInfo.objectY; 059 float f10 = f8 + f5 + ActiveRenderInfo.objectY; 060 float f11 = f9 / f10; 061 f11 += (float)(par4 + (double)f4); 062 GL11.glTranslatef(f1, f11, f3); 063 GL11.glTexGeni(GL11.GL_S, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 064 GL11.glTexGeni(GL11.GL_T, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 065 GL11.glTexGeni(GL11.GL_R, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR); 066 GL11.glTexGeni(GL11.GL_Q, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR); 067 GL11.glTexGen(GL11.GL_S, GL11.GL_OBJECT_PLANE, this.func_76907_a(1.0F, 0.0F, 0.0F, 0.0F)); 068 GL11.glTexGen(GL11.GL_T, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 1.0F, 0.0F)); 069 GL11.glTexGen(GL11.GL_R, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 0.0F, 1.0F)); 070 GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_76907_a(0.0F, 1.0F, 0.0F, 0.0F)); 071 GL11.glEnable(GL11.GL_TEXTURE_GEN_S); 072 GL11.glEnable(GL11.GL_TEXTURE_GEN_T); 073 GL11.glEnable(GL11.GL_TEXTURE_GEN_R); 074 GL11.glEnable(GL11.GL_TEXTURE_GEN_Q); 075 GL11.glPopMatrix(); 076 GL11.glMatrixMode(GL11.GL_TEXTURE); 077 GL11.glPushMatrix(); 078 GL11.glLoadIdentity(); 079 GL11.glTranslatef(0.0F, (float)(Minecraft.getSystemTime() % 700000L) / 700000.0F, 0.0F); 080 GL11.glScalef(f6, f6, f6); 081 GL11.glTranslatef(0.5F, 0.5F, 0.0F); 082 GL11.glRotatef((float)(i * i * 4321 + i * 9) * 2.0F, 0.0F, 0.0F, 1.0F); 083 GL11.glTranslatef(-0.5F, -0.5F, 0.0F); 084 GL11.glTranslatef(-f1, -f3, -f2); 085 f9 = f8 + ActiveRenderInfo.objectY; 086 GL11.glTranslatef(ActiveRenderInfo.objectX * f5 / f9, ActiveRenderInfo.objectZ * f5 / f9, -f2); 087 Tessellator tessellator = Tessellator.instance; 088 tessellator.startDrawingQuads(); 089 f11 = random.nextFloat() * 0.5F + 0.1F; 090 float f12 = random.nextFloat() * 0.5F + 0.4F; 091 float f13 = random.nextFloat() * 0.5F + 0.5F; 092 093 if (i == 0) 094 { 095 f13 = 1.0F; 096 f12 = 1.0F; 097 f11 = 1.0F; 098 } 099 100 tessellator.setColorRGBA_F(f11 * f7, f12 * f7, f13 * f7, 1.0F); 101 tessellator.addVertex(par2, par4 + (double)f4, par6); 102 tessellator.addVertex(par2, par4 + (double)f4, par6 + 1.0D); 103 tessellator.addVertex(par2 + 1.0D, par4 + (double)f4, par6 + 1.0D); 104 tessellator.addVertex(par2 + 1.0D, par4 + (double)f4, par6); 105 tessellator.draw(); 106 GL11.glPopMatrix(); 107 GL11.glMatrixMode(GL11.GL_MODELVIEW); 108 } 109 110 GL11.glDisable(GL11.GL_BLEND); 111 GL11.glDisable(GL11.GL_TEXTURE_GEN_S); 112 GL11.glDisable(GL11.GL_TEXTURE_GEN_T); 113 GL11.glDisable(GL11.GL_TEXTURE_GEN_R); 114 GL11.glDisable(GL11.GL_TEXTURE_GEN_Q); 115 GL11.glEnable(GL11.GL_LIGHTING); 116 } 117 118 private FloatBuffer func_76907_a(float par1, float par2, float par3, float par4) 119 { 120 this.field_76908_a.clear(); 121 this.field_76908_a.put(par1).put(par2).put(par3).put(par4); 122 this.field_76908_a.flip(); 123 return this.field_76908_a; 124 } 125 126 public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8) 127 { 128 this.renderEndPortalTileEntity((TileEntityEndPortal)par1TileEntity, par2, par4, par6, par8); 129 } 130}