package com.camellias.voidaicarcania.common.world.dimensions;

import java.util.List;
import java.util.Random;

import com.camellias.voidaicarcania.core.init.ModBiomes;

import net.minecraft.block.BlockFalling;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.EnumCreatureType;
import net.minecraft.init.Blocks;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.EnumSkyBlock;
import net.minecraft.world.World;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.biome.Biome.SpawnListEntry;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.ChunkPrimer;
import net.minecraft.world.gen.IChunkGenerator;
import net.minecraftforge.event.ForgeEventFactory;

public class ChunkGeneratorVoid implements IChunkGenerator
{
    protected static final IBlockState BEDROCK = Blocks.BEDROCK.getDefaultState();

    private final Random rand;
    private final World world;
    private double[] buffer;
    private int chunkX = 0;
    private int chunkZ = 0;

    public ChunkGeneratorVoid(World world, boolean useless, long rand, BlockPos pos)
    {
        this.world = world;
        this.rand = new Random(rand);
    }

    public void setBlocksInChunk(int i, int j, ChunkPrimer primer)
    {
        for(int x = 0; x < 16; ++x)
        {
            for(int z = 0; z < 16; ++z)
            {
                IBlockState iblockstate;

                for(int y = 255; y >= 248; y--)
                {
                    if(y > 255 - this.rand.nextInt(5) || y == 255)
                    {
                        primer.setBlockState(x, y, z, BEDROCK);
                    }
                }
            }
        }
    }

    @Override
    public Chunk generateChunk(int x, int z)
    {
        this.chunkX = x;
        this.chunkZ = z;
        this.rand.setSeed((long)x * 341873128712L + (long)z * 132897987541L);
        ChunkPrimer chunkprimer = new ChunkPrimer();
        this.setBlocksInChunk(x, z, chunkprimer);
        Chunk chunk = new Chunk(this.world, chunkprimer, x, z);
        byte[] abyte = chunk.getBiomeArray();

        for(int i = 0; i < abyte.length; ++i)
        {
            abyte[i] = (byte)Biome.getIdForBiome(ModBiomes.VOID);
        }

        chunk.generateSkylightMap();
        return chunk;
    }

    @Override
    public void populate(int x, int z)
    {
        BlockFalling.fallInstantly = true;
        ForgeEventFactory.onChunkPopulate(true, this, this.world, this.rand, x, z, false);
        BlockPos blockpos = new BlockPos(x * 16, 0, z * 16);

        this.world.getBiome(blockpos.add(16, 0, 16)).decorate(this.world, this.world.rand, blockpos);

        ForgeEventFactory.onChunkPopulate(false, this, this.world, this.rand, x, z, false);
        BlockFalling.fallInstantly = false;
    }

    @Override
    public boolean generateStructures(Chunk chunk, int x, int z)
    {
        return false;
    }

    @Override
    public List<SpawnListEntry> getPossibleCreatures(EnumCreatureType creatureType, BlockPos pos)
    {
        return this.world.getBiome(pos).getSpawnableList(creatureType);
    }

    @Override
    public BlockPos getNearestStructurePos(World world, String structureName, BlockPos position, boolean findUnexplored)
    {
        return null;
    }

    @Override
    public void recreateStructures(Chunk chunkIn, int x, int z)
    {

    }

    @Override
    public boolean isInsideStructure(World world, String structureName, BlockPos pos)
    {
        return false;
    }
}