namespace wire_protocol;

enum Command : short {
  StartGame = 0,
  ShiftLeft = 1,
  ShiftRight = 2,
  Rotate = 3,
  Down = 4,
  Land = 5,
  GetGameState = 6,
}

enum CommandResponseError : short {
  OK = 0,
  INVALID_COMMAND = 1,
  UNKNOWN_COMMAND = 2,
  GAME_OVER = 3,
}

table CommandRequest {
  command:Command;
}

table Playfield {
  rows:short;
  cols:short;
  cells:[ubyte];
}

table GameState {
  rows:short;
  cols:short;
  next_piece:short;
  current_piece:short;
  piece_rotation:short;
  piece_row:short;
  piece_col:short;
  score:short;
  millis_before_down:short;
  grid:[ubyte];
}

table CommandResponse {
  error:CommandResponseError;
  game_state:GameState;
}

root_type CommandRequest;
root_type CommandResponse;