package net.minecraft.client.renderer.tileentity;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.nio.FloatBuffer;
import java.util.Random;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.ActiveRenderInfo;
import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityEndPortal;
import org.lwjgl.opengl.GL11;
@SideOnly(Side.CLIENT)
public class RenderEndPortal extends TileEntitySpecialRenderer
{
FloatBuffer field_76908_a = GLAllocation.createDirectFloatBuffer(16);
/**
* Renders the End Portal.
*/
public void renderEndPortalTileEntity(TileEntityEndPortal par1TileEntityEndPortal, double par2, double par4, double par6, float par8)
{
float f1 = (float)this.tileEntityRenderer.playerX;
float f2 = (float)this.tileEntityRenderer.playerY;
float f3 = (float)this.tileEntityRenderer.playerZ;
GL11.glDisable(GL11.GL_LIGHTING);
Random random = new Random(31100L);
float f4 = 0.75F;
for (int i = 0; i < 16; ++i)
{
GL11.glPushMatrix();
float f5 = (float)(16 - i);
float f6 = 0.0625F;
float f7 = 1.0F / (f5 + 1.0F);
if (i == 0)
{
this.bindTextureByName("/misc/tunnel.png");
f7 = 0.1F;
f5 = 65.0F;
f6 = 0.125F;
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
}
if (i == 1)
{
this.bindTextureByName("/misc/particlefield.png");
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE);
f6 = 0.5F;
}
float f8 = (float)(-(par4 + (double)f4));
float f9 = f8 + ActiveRenderInfo.objectY;
float f10 = f8 + f5 + ActiveRenderInfo.objectY;
float f11 = f9 / f10;
f11 += (float)(par4 + (double)f4);
GL11.glTranslatef(f1, f11, f3);
GL11.glTexGeni(GL11.GL_S, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR);
GL11.glTexGeni(GL11.GL_T, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR);
GL11.glTexGeni(GL11.GL_R, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_OBJECT_LINEAR);
GL11.glTexGeni(GL11.GL_Q, GL11.GL_TEXTURE_GEN_MODE, GL11.GL_EYE_LINEAR);
GL11.glTexGen(GL11.GL_S, GL11.GL_OBJECT_PLANE, this.func_76907_a(1.0F, 0.0F, 0.0F, 0.0F));
GL11.glTexGen(GL11.GL_T, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 1.0F, 0.0F));
GL11.glTexGen(GL11.GL_R, GL11.GL_OBJECT_PLANE, this.func_76907_a(0.0F, 0.0F, 0.0F, 1.0F));
GL11.glTexGen(GL11.GL_Q, GL11.GL_EYE_PLANE, this.func_76907_a(0.0F, 1.0F, 0.0F, 0.0F));
GL11.glEnable(GL11.GL_TEXTURE_GEN_S);
GL11.glEnable(GL11.GL_TEXTURE_GEN_T);
GL11.glEnable(GL11.GL_TEXTURE_GEN_R);
GL11.glEnable(GL11.GL_TEXTURE_GEN_Q);
GL11.glPopMatrix();
GL11.glMatrixMode(GL11.GL_TEXTURE);
GL11.glPushMatrix();
GL11.glLoadIdentity();
GL11.glTranslatef(0.0F, (float)(Minecraft.getSystemTime() % 700000L) / 700000.0F, 0.0F);
GL11.glScalef(f6, f6, f6);
GL11.glTranslatef(0.5F, 0.5F, 0.0F);
GL11.glRotatef((float)(i * i * 4321 + i * 9) * 2.0F, 0.0F, 0.0F, 1.0F);
GL11.glTranslatef(-0.5F, -0.5F, 0.0F);
GL11.glTranslatef(-f1, -f3, -f2);
f9 = f8 + ActiveRenderInfo.objectY;
GL11.glTranslatef(ActiveRenderInfo.objectX * f5 / f9, ActiveRenderInfo.objectZ * f5 / f9, -f2);
Tessellator tessellator = Tessellator.instance;
tessellator.startDrawingQuads();
f11 = random.nextFloat() * 0.5F + 0.1F;
float f12 = random.nextFloat() * 0.5F + 0.4F;
float f13 = random.nextFloat() * 0.5F + 0.5F;
if (i == 0)
{
f13 = 1.0F;
f12 = 1.0F;
f11 = 1.0F;
}
tessellator.setColorRGBA_F(f11 * f7, f12 * f7, f13 * f7, 1.0F);
tessellator.addVertex(par2, par4 + (double)f4, par6);
tessellator.addVertex(par2, par4 + (double)f4, par6 + 1.0D);
tessellator.addVertex(par2 + 1.0D, par4 + (double)f4, par6 + 1.0D);
tessellator.addVertex(par2 + 1.0D, par4 + (double)f4, par6);
tessellator.draw();
GL11.glPopMatrix();
GL11.glMatrixMode(GL11.GL_MODELVIEW);
}
GL11.glDisable(GL11.GL_BLEND);
GL11.glDisable(GL11.GL_TEXTURE_GEN_S);
GL11.glDisable(GL11.GL_TEXTURE_GEN_T);
GL11.glDisable(GL11.GL_TEXTURE_GEN_R);
GL11.glDisable(GL11.GL_TEXTURE_GEN_Q);
GL11.glEnable(GL11.GL_LIGHTING);
}
private FloatBuffer func_76907_a(float par1, float par2, float par3, float par4)
{
this.field_76908_a.clear();
this.field_76908_a.put(par1).put(par2).put(par3).put(par4);
this.field_76908_a.flip();
return this.field_76908_a;
}
public void renderTileEntityAt(TileEntity par1TileEntity, double par2, double par4, double par6, float par8)
{
this.renderEndPortalTileEntity((TileEntityEndPortal)par1TileEntity, par2, par4, par6, par8);
}
}