001 package net.minecraft.client.renderer.tileentity;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.nio.FloatBuffer;
006 import java.util.Random;
007 import net.minecraft.client.Minecraft;
008 import net.minecraft.client.renderer.ActiveRenderInfo;
009 import net.minecraft.client.renderer.GLAllocation;
010 import net.minecraft.client.renderer.Tessellator;
011 import net.minecraft.tileentity.TileEntity;
012 import net.minecraft.tileentity.TileEntityEndPortal;
013 import org.lwjgl.opengl.GL11;
014
015 @SideOnly(Side.CLIENT)
016 public 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 var9 = (float)this.tileEntityRenderer.playerX;
026 float var10 = (float)this.tileEntityRenderer.playerY;
027 float var11 = (float)this.tileEntityRenderer.playerZ;
028 GL11.glDisable(GL11.GL_LIGHTING);
029 Random var12 = new Random(31100L);
030 float var13 = 0.75F;
031
032 for (int var14 = 0; var14 < 16; ++var14)
033 {
034 GL11.glPushMatrix();
035 float var15 = (float)(16 - var14);
036 float var16 = 0.0625F;
037 float var17 = 1.0F / (var15 + 1.0F);
038
039 if (var14 == 0)
040 {
041 this.bindTextureByName("/misc/tunnel.png");
042 var17 = 0.1F;
043 var15 = 65.0F;
044 var16 = 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 (var14 == 1)
050 {
051 this.bindTextureByName("/misc/particlefield.png");
052 GL11.glEnable(GL11.GL_BLEND);
053 GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE);
054 var16 = 0.5F;
055 }
056
057 float var18 = (float)(-(par4 + (double)var13));
058 float var19 = var18 + ActiveRenderInfo.objectY;
059 float var20 = var18 + var15 + ActiveRenderInfo.objectY;
060 float var21 = var19 / var20;
061 var21 += (float)(par4 + (double)var13);
062 GL11.glTranslatef(var9, var21, var11);
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(var16, var16, var16);
081 GL11.glTranslatef(0.5F, 0.5F, 0.0F);
082 GL11.glRotatef((float)(var14 * var14 * 4321 + var14 * 9) * 2.0F, 0.0F, 0.0F, 1.0F);
083 GL11.glTranslatef(-0.5F, -0.5F, 0.0F);
084 GL11.glTranslatef(-var9, -var11, -var10);
085 var19 = var18 + ActiveRenderInfo.objectY;
086 GL11.glTranslatef(ActiveRenderInfo.objectX * var15 / var19, ActiveRenderInfo.objectZ * var15 / var19, -var10);
087 Tessellator var24 = Tessellator.instance;
088 var24.startDrawingQuads();
089 var21 = var12.nextFloat() * 0.5F + 0.1F;
090 float var22 = var12.nextFloat() * 0.5F + 0.4F;
091 float var23 = var12.nextFloat() * 0.5F + 0.5F;
092
093 if (var14 == 0)
094 {
095 var23 = 1.0F;
096 var22 = 1.0F;
097 var21 = 1.0F;
098 }
099
100 var24.setColorRGBA_F(var21 * var17, var22 * var17, var23 * var17, 1.0F);
101 var24.addVertex(par2, par4 + (double)var13, par6);
102 var24.addVertex(par2, par4 + (double)var13, par6 + 1.0D);
103 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6 + 1.0D);
104 var24.addVertex(par2 + 1.0D, par4 + (double)var13, par6);
105 var24.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 }