package game.worldgen.feature;

import game.util.Predicates;

import game.block.BlockSand;
import game.block.BlockSlab;
import game.init.Blocks;
import game.pattern.BlockStateHelper;
import game.rng.Random;
import game.world.BlockPos;
import game.world.Facing;
import game.world.State;
import game.world.WorldServer;
import game.worldgen.FeatureGenerator;

public class WorldGenDesertWells extends FeatureGenerator
{
    private static final BlockStateHelper field_175913_a = BlockStateHelper.forBlock(Blocks.sand).where(BlockSand.VARIANT, Predicates.equalTo(BlockSand.EnumType.SAND));
    private final State field_175911_b = Blocks.sandstone_slab.getState().withProperty(BlockSlab.FACING, Facing.DOWN);
    private final State field_175912_c = Blocks.sandstone.getState();
    private final State field_175910_d = Blocks.flowing_water.getState();

    public boolean generate(WorldServer worldIn, Random rand, BlockPos position)
    {
        while (worldIn.isAirBlock(position) && position.getY() > 2)
        {
            position = position.down();
        }

        if (!field_175913_a.test(worldIn.getState(position)))
        {
            return false;
        }
        else
        {
            for (int i = -2; i <= 2; ++i)
            {
                for (int j = -2; j <= 2; ++j)
                {
                    if (worldIn.isAirBlock(position.add(i, -1, j)) && worldIn.isAirBlock(position.add(i, -2, j)))
                    {
                        return false;
                    }
                }
            }

            for (int l = -1; l <= 0; ++l)
            {
                for (int l1 = -2; l1 <= 2; ++l1)
                {
                    for (int k = -2; k <= 2; ++k)
                    {
                        worldIn.setState(position.add(l1, l, k), this.field_175912_c, 2);
                    }
                }
            }

            worldIn.setState(position, this.field_175910_d, 2);

            for (Facing enumfacing : Facing.Plane.HORIZONTAL)
            {
                worldIn.setState(position.offset(enumfacing), this.field_175910_d, 2);
            }

            for (int i1 = -2; i1 <= 2; ++i1)
            {
                for (int i2 = -2; i2 <= 2; ++i2)
                {
                    if (i1 == -2 || i1 == 2 || i2 == -2 || i2 == 2)
                    {
                        worldIn.setState(position.add(i1, 1, i2), this.field_175912_c, 2);
                    }
                }
            }

            worldIn.setState(position.add(2, 1, 0), this.field_175911_b, 2);
            worldIn.setState(position.add(-2, 1, 0), this.field_175911_b, 2);
            worldIn.setState(position.add(0, 1, 2), this.field_175911_b, 2);
            worldIn.setState(position.add(0, 1, -2), this.field_175911_b, 2);

            for (int j1 = -1; j1 <= 1; ++j1)
            {
                for (int j2 = -1; j2 <= 1; ++j2)
                {
                    if (j1 == 0 && j2 == 0)
                    {
                        worldIn.setState(position.add(j1, 4, j2), this.field_175912_c, 2);
                    }
                    else
                    {
                        worldIn.setState(position.add(j1, 4, j2), this.field_175911_b, 2);
                    }
                }
            }

            for (int k1 = 1; k1 <= 3; ++k1)
            {
                worldIn.setState(position.add(-1, k1, -1), this.field_175912_c, 2);
                worldIn.setState(position.add(-1, k1, 1), this.field_175912_c, 2);
                worldIn.setState(position.add(1, k1, -1), this.field_175912_c, 2);
                worldIn.setState(position.add(1, k1, 1), this.field_175912_c, 2);
            }

            return true;
        }
    }
}