package gregtech.common;

import cpw.mods.fml.common.IWorldGenerator;
import cpw.mods.fml.common.registry.GameRegistry;
import gregtech.api.GregTech_API;
import gregtech.api.util.GT_Log;
import gregtech.api.world.GT_Worldgen;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.IChunkProvider;
import net.minecraft.world.gen.ChunkProviderEnd;
import net.minecraft.world.gen.ChunkProviderHell;

public class GT_Worldgenerator
  implements IWorldGenerator
{
  public static boolean sAsteroids = true;
  public List<Runnable> mList = new ArrayList();
  public boolean mIsGenerating = false;
  
  public GT_Worldgenerator()
  {
    GameRegistry.registerWorldGenerator(this, 1073741823);
  }
  
  public void generate(Random aRandom, int aX, int aZ, World aWorld, IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider)
  {
    this.mList.add(new WorldGenContainer(new Random(aRandom.nextInt()), aX * 16, aZ * 16, ((aChunkGenerator instanceof ChunkProviderEnd)) || (aWorld.getBiomeGenForCoords(aX * 16 + 8, aZ * 16 + 8) == BiomeGenBase.sky) ? 1 : ((aChunkGenerator instanceof ChunkProviderHell)) || (aWorld.getBiomeGenForCoords(aX * 16 + 8, aZ * 16 + 8) == BiomeGenBase.hell) ? -1 : 0, aWorld, aChunkGenerator, aChunkProvider, aWorld.getBiomeGenForCoords(aX * 16 + 8, aZ * 16 + 8).biomeName));
    if (!this.mIsGenerating)
    {
      this.mIsGenerating = true;
      for (int i = 0; i < this.mList.size(); i++) {
        ((Runnable)this.mList.get(i)).run();
      }
      this.mList.clear();
      this.mIsGenerating = false;
    }
  }
  
  public static class WorldGenContainer
    implements Runnable
  {
    public final Random mRandom;
    public final int mX;
    public final int mZ;
    public final int mDimensionType;
    public final World mWorld;
    public final IChunkProvider mChunkGenerator;
    public final IChunkProvider mChunkProvider;
    public final String mBiome;
    
    public WorldGenContainer(Random aRandom, int aX, int aZ, int aDimensionType, World aWorld, IChunkProvider aChunkGenerator, IChunkProvider aChunkProvider, String aBiome)
    {
      this.mRandom = aRandom;
      this.mX = aX;
      this.mZ = aZ;
      this.mDimensionType = aDimensionType;
      this.mWorld = aWorld;
      this.mChunkGenerator = aChunkGenerator;
      this.mChunkProvider = aChunkProvider;
      this.mBiome = aBiome;
    }
    
    public void run()
    {
      if ((Math.abs(this.mX / 16) % 3 == 1) && (Math.abs(this.mZ / 16) % 3 == 1))
      {
        if ((GT_Worldgen_GT_Ore_Layer.sWeight > 0) && (GT_Worldgen_GT_Ore_Layer.sList.size() > 0))
        {
          boolean temp = true;
          int tRandomWeight;
          for (int i = 0; (i < 256) && (temp); i++)
          {
            tRandomWeight = this.mRandom.nextInt(GT_Worldgen_GT_Ore_Layer.sWeight);
            for (GT_Worldgen tWorldGen : GT_Worldgen_GT_Ore_Layer.sList)
            {
              tRandomWeight -= ((GT_Worldgen_GT_Ore_Layer)tWorldGen).mWeight;
              if (tRandomWeight <= 0) {
                try
                {
                  if (tWorldGen.executeWorldgen(this.mWorld, this.mRandom, this.mBiome, this.mDimensionType, this.mX, this.mZ, this.mChunkGenerator, this.mChunkProvider))
                  {
                    temp = false;
                  }
                }
                catch (Throwable e)
                {
                  e.printStackTrace(GT_Log.err);
                }
                    break;
              }
            }
          }
        }
        int i = 0;
        for (int tX = this.mX - 16; i < 3; tX += 16)
        {
          int j = 0;
          for (int tZ = this.mZ - 16; j < 3; tZ += 16)
          {
            String tBiome = this.mWorld.getBiomeGenForCoords(tX + 8, tZ + 8).biomeName;
            if (tBiome == null) {
              tBiome = BiomeGenBase.plains.biomeName;
            }
            for (GT_Worldgen tWorldGen : GregTech_API.sWorldgenList) {
              try
              {
                tWorldGen.executeWorldgen(this.mWorld, this.mRandom, this.mBiome, this.mDimensionType, tX, tZ, this.mChunkGenerator, this.mChunkProvider);
              }
              catch (Throwable e)
              {
                e.printStackTrace(GT_Log.err);
              }
            }
            j++;
          }
          i++;
        }
      }
      Chunk tChunk = this.mWorld.getChunkFromBlockCoords(this.mX, this.mZ);
      if (tChunk != null) {
        tChunk.isModified = true;
      }
    }
  }
}