throw new InsufficientArgumentsException("Invalid coordinates specified.");
}
int x = Integer.parseInt(coords[0]);
int z = Integer.parseInt(coords[1]);
Vector2D pos = new Vector2D(x, z);
min2D = (args.hasFlag('c')) ? pos : ChunkStore.toChunk(pos.toVector());
} else {
// use player loc
min2D = ChunkStore.toChunk(player.getBlockIn());
}