import 'package:dartterm/wfc/template.dart';

enum LevelTile {
  exit,
  door,
  floor,
  wall,
}

class Level {
  Set<(int, int)> openCells = {};
}

Future<WfcTemplate<LevelTile>> loadLevelWfcAsync(String name) async {
  return WfcTemplate.loadAsync(name, 3, (c) {
    switch (c) {
      // ABGR
      case 0xFF000000:
      case 0xFF707070:
        return LevelTile.wall;
      case 0xFFFFFFFF:
      case 0xFF00FFFF:
      case 0xFFFF00FF:
        return LevelTile.floor;
      case 0xFFFF8700:
        return LevelTile.door;
      case 0xFF0000FF:
        return LevelTile.exit;
      default:
        throw Exception("unrecognized pixel: $c");
    }
  });
}