package StevenDimDoors.mod_pocketDim.world;

import org.lwjgl.opengl.GL11;

import net.minecraft.client.Minecraft;
import net.minecraft.client.multiplayer.WorldClient;
import net.minecraft.client.renderer.GLAllocation;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraftforge.client.IRenderHandler;

public class LimboSkyProvider extends IRenderHandler
{
	
	int starGLCallList;
	int glSkyList;
	int glSkyList2;


	@Override
	public void render(float par1, WorldClient world, Minecraft mc) 
	{
		
		starGLCallList = GLAllocation.generateDisplayLists(3);
		glSkyList = this.starGLCallList + 1;
		glSkyList2 = this.starGLCallList + 2;
		 GL11.glDisable(GL11.GL_FOG);
         GL11.glDisable(GL11.GL_ALPHA_TEST);
         GL11.glEnable(GL11.GL_BLEND);
         GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
         RenderHelper.disableStandardItemLighting();
         GL11.glDepthMask(false);
         mc.renderEngine.bindTexture("/misc/tunnel.png");
         Tessellator tessellator = Tessellator.instance;
        
     if (mc.theWorld.provider.isSurfaceWorld())
     {
         GL11.glDisable(GL11.GL_TEXTURE_2D);
         Vec3 vec3 = world.getSkyColor(mc.renderViewEntity, par1);
         float f1 = (float)vec3.xCoord;
         float f2 = (float)vec3.yCoord;
         float f3 = (float)vec3.zCoord;
         float f4;

         if (mc.gameSettings.anaglyph)
         {
             float f5 = (f1 * 30.0F + f2 * 59.0F + f3 * 11.0F) / 100.0F;
             float f6 = (f1 * 30.0F + f2 * 70.0F) / 100.0F;
             f4 = (f1 * 30.0F + f3 * 70.0F) / 100.0F;
             f1 = f5;
             f2 = f6;
             f3 = f4;
         }

         GL11.glColor3f(f1, f2, f3);
         Tessellator tessellator1 = Tessellator.instance;
         GL11.glDepthMask(false);
         GL11.glEnable(GL11.GL_FOG);
         GL11.glColor3f(f1, f2, f3);
         GL11.glCallList(this.glSkyList);
         GL11.glDisable(GL11.GL_FOG);
         GL11.glDisable(GL11.GL_ALPHA_TEST);
         GL11.glEnable(GL11.GL_BLEND);
         GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
         RenderHelper.disableStandardItemLighting();
         float[] afloat = world.provider.calcSunriseSunsetColors(world.getCelestialAngle(par1), par1);
         float f7;
         float f8;
         float f9;
         float f10;

         if (afloat != null)
         {
             GL11.glDisable(GL11.GL_TEXTURE_2D);
             GL11.glShadeModel(GL11.GL_SMOOTH);
             GL11.glPushMatrix();
             GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
             GL11.glRotatef(MathHelper.sin(world.getCelestialAngleRadians(par1)) < 0.0F ? 180.0F : 0.0F, 0.0F, 0.0F, 1.0F);
             GL11.glRotatef(90.0F, 0.0F, 0.0F, 1.0F);
             f4 = afloat[0];
             f7 = afloat[1];
             f8 = afloat[2];
             float f11;

             if (mc.gameSettings.anaglyph)
             {
                 f9 = (f4 * 30.0F + f7 * 59.0F + f8 * 11.0F) / 100.0F;
                 f10 = (f4 * 30.0F + f7 * 70.0F) / 100.0F;
                 f11 = (f4 * 30.0F + f8 * 70.0F) / 100.0F;
                 f4 = f9;
                 f7 = f10;
                 f8 = f11;
             }

             tessellator1.startDrawing(6);
             tessellator1.setColorRGBA_F(f4, f7, f8, afloat[3]);
             tessellator1.addVertex(0.0D, 100.0D, 0.0D);
             byte b0 = 16;
             tessellator1.setColorRGBA_F(afloat[0], afloat[1], afloat[2], 0.0F);

             for (int j = 0; j <= b0; ++j)
             {
                 f11 = (float)j * (float)Math.PI * 2.0F / (float)b0;
                 float f12 = MathHelper.sin(f11);
                 float f13 = MathHelper.cos(f11);
                 tessellator1.addVertex((double)(f12 * 120.0F), (double)(f13 * 120.0F), (double)(-f13 * 40.0F * afloat[3]));
             }

             tessellator1.draw();
             GL11.glPopMatrix();
             GL11.glShadeModel(GL11.GL_FLAT);
         }

         GL11.glEnable(GL11.GL_TEXTURE_2D);
         GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
         GL11.glPushMatrix();
         f4 = 1.0F - world.getRainStrength(par1);
         f7 = 0.0F;
         f8 = 0.0F;
         f9 = 0.0F;
         GL11.glColor4f(1.0F, 1.0F, 1.0F, f4);
         GL11.glTranslatef(f7, f8, f9);
         GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
         GL11.glRotatef(world.getCelestialAngle(par1) * 360.0F, 1.0F, 0.0F, 0.0F);
         f10 = 30.0F;
         mc.renderEngine.bindTexture("/mods/DimDoors/textures/other/limboSun.png");
         tessellator1.startDrawingQuads();
         tessellator1.addVertexWithUV((double)(-f10), 100.0D, (double)(-f10), 0.0D, 0.0D);
         tessellator1.addVertexWithUV((double)f10, 100.0D, (double)(-f10), 1.0D, 0.0D);
         tessellator1.addVertexWithUV((double)f10, 100.0D, (double)f10, 1.0D, 1.0D);
         tessellator1.addVertexWithUV((double)(-f10), 100.0D, (double)f10, 0.0D, 1.0D);
         tessellator1.draw();
         f10 = 20.0F;
         mc.renderEngine.bindTexture("/mods/DimDoors/textures/other/limboMoon.png");
         int k = world.getMoonPhase();
         int l = k % 4;
         int i1 = k / 4 % 2;
         float f14 = (float)(l + 0) ;
         float f15 = (float)(i1 + 0);
         float f16 = (float)(l + 1) ;
         float f17 = (float)(i1 + 1);
         tessellator1.startDrawingQuads();
         tessellator1.addVertexWithUV((double)(-f10), -100.0D, (double)f10, (double)f16, (double)f17);
         tessellator1.addVertexWithUV((double)f10, -100.0D, (double)f10, (double)f14, (double)f17);
         tessellator1.addVertexWithUV((double)f10, -100.0D, (double)(-f10), (double)f14, (double)f15);
         tessellator1.addVertexWithUV((double)(-f10), -100.0D, (double)(-f10), (double)f16, (double)f15);
         tessellator1.draw();
         GL11.glDisable(GL11.GL_TEXTURE_2D);
         float f18 = world.getStarBrightness(par1) * f4;

         if (f18 > 0.0F)
         {
             GL11.glColor4f(f18, f18, f18, f18);
             GL11.glCallList(this.starGLCallList);
         }

         GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
         GL11.glDisable(GL11.GL_BLEND);
         GL11.glEnable(GL11.GL_ALPHA_TEST);
         GL11.glEnable(GL11.GL_FOG);
         GL11.glPopMatrix();
         GL11.glDisable(GL11.GL_TEXTURE_2D);
         GL11.glColor3f(0.0F, 0.0F, 0.0F);
         double d0 = mc.thePlayer.getPosition(par1).yCoord - world.getHorizon();

         if (d0 < 0.0D)
         {
             GL11.glPushMatrix();
             GL11.glTranslatef(0.0F, 12.0F, 0.0F);
             GL11.glCallList(this.glSkyList2);
             GL11.glPopMatrix();
             f8 = 1.0F;
             f9 = -((float)(d0 + 65.0D));
             f10 = -f8;
             tessellator1.startDrawingQuads();
             tessellator1.setColorRGBA_I(0, 255);
             tessellator1.addVertex((double)(-f8), (double)f9, (double)f8);
             tessellator1.addVertex((double)f8, (double)f9, (double)f8);
             tessellator1.addVertex((double)f8, (double)f10, (double)f8);
             tessellator1.addVertex((double)(-f8), (double)f10, (double)f8);
             tessellator1.addVertex((double)(-f8), (double)f10, (double)(-f8));
             tessellator1.addVertex((double)f8, (double)f10, (double)(-f8));
             tessellator1.addVertex((double)f8, (double)f9, (double)(-f8));
             tessellator1.addVertex((double)(-f8), (double)f9, (double)(-f8));
             tessellator1.addVertex((double)f8, (double)f10, (double)(-f8));
             tessellator1.addVertex((double)f8, (double)f10, (double)f8);
             tessellator1.addVertex((double)f8, (double)f9, (double)f8);
             tessellator1.addVertex((double)f8, (double)f9, (double)(-f8));
             tessellator1.addVertex((double)(-f8), (double)f9, (double)(-f8));
             tessellator1.addVertex((double)(-f8), (double)f9, (double)f8);
             tessellator1.addVertex((double)(-f8), (double)f10, (double)f8);
             tessellator1.addVertex((double)(-f8), (double)f10, (double)(-f8));
             tessellator1.addVertex((double)(-f8), (double)f10, (double)(-f8));
             tessellator1.addVertex((double)(-f8), (double)f10, (double)f8);
             tessellator1.addVertex((double)f8, (double)f10, (double)f8);
             tessellator1.addVertex((double)f8, (double)f10, (double)(-f8));
             tessellator1.draw();
         }

         if (world.provider.isSkyColored())
         {
             GL11.glColor3f(f1 * 0.2F + 0.04F, f2 * 0.2F + 0.04F, f3 * 0.6F + 0.1F);
         }
         else
         {
             GL11.glColor3f(f1, f2, f3);
         }

         GL11.glPushMatrix();
         GL11.glTranslatef(0.0F, -((float)(d0 - 16.0D)), 0.0F);
         GL11.glCallList(this.glSkyList2);
         GL11.glPopMatrix();
         GL11.glEnable(GL11.GL_TEXTURE_2D);
         GL11.glDepthMask(true);
     }
		
	}
	
}