package com.richunderscore27.mites.worldgen;

import com.richunderscore27.mites.utility.LogHelper;
import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.init.Blocks;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenerator;

import static java.lang.Math.abs;
import static java.lang.Math.max;
import java.util.Random;

public class WorldGenColony extends WorldGenerator
{
    @Override
    public boolean generate(World world, Random random, int x, int y, int z)
    {

        if (world.getBiomeGenForCoords(x, z).topBlock != Blocks.grass)
        {
            return false;
        }

        int height = world.getHeightValue(x,z);

        for (int xCoord = -4; xCoord < 4; ++xCoord)
        {
            for (int zCoord = -4; zCoord <= 4; ++zCoord)
            {
                if (world.getBlock(xCoord, height, zCoord) != Blocks.grass)
                {
                    return false;
                }
                for (int yCoord = 1; yCoord < (max(abs(xCoord), abs(zCoord)) < 1 ? 4 : 2); ++yCoord)
                {
                    if (world.getBlock(xCoord, height + yCoord, zCoord) != Blocks.air)
                    {
                        return false;
                    }
                }
            }
        }

        LogHelper.info("Generating at: (" + x + ", " + y + ", " + z + "), existing block: " + GameRegistry.findUniqueIdentifierFor(world.getBlock(x, y, z)));
        return true;
    }
}