public bool IsPlayerReachedExit(string playerId)
{
MultiPlayerGame game = this.playerToGame[playerId];
Position goalPos = game.Maze.GoalPos;
Position curPos = game.GetPlayer(playerId).Location;
return(goalPos.Row == curPos.Row && goalPos.Col == curPos.Col);
}
public string GetCompetitorOf(string playerId)
{
if (!playerToGame.ContainsKey(playerId))
{
// Player is not participate in any game.
return(null);
}
MultiPlayerGame game = this.playerToGame[playerId];
return(game.GetCompetitorOf(playerId).PlayerId);
}
public Maze JoinTo(string nameOfGame, string playerId)
{
if (!this.availablesMPGames.ContainsKey(nameOfGame))
{
// The game is not exist in the system.
throw new Exception($"There is no game with the name '{nameOfGame}'");
}
// Assign the player to the needed game.
MultiPlayerGame game = availablesMPGames[nameOfGame];
Maze maze = game.Maze;
game.Guest = new PlayerInfo(playerId, maze.InitialPos);
// Remove the game from the available games and add it to the unavailable games.
availablesMPGames.Remove(nameOfGame);
unAvailablesMPGames.Add(nameOfGame, game);
playerToGame.Add(playerId, game);
return(maze);
}
public Maze StartGame(string nameOfGame, int rows, int cols, string playerId)
{
if (GetMazeInfoOf(nameOfGame) != null)
{
// The game is already exist in the system.
throw new Exception($"The game '{nameOfGame}' already exists");
}
// Generate a maze with the given size.
IMazeGenerator generator = new DFSMazeGenerator();
Maze maze = generator.Generate(rows, cols);
maze.Name = nameOfGame;
MultiPlayerGame mpGame = new MultiPlayerGame(maze, playerId, maze.InitialPos);
// Add the game to the suitable dictionaries.
this.availablesMPGames.Add(nameOfGame, mpGame);
this.playerToGame.Add(playerId, mpGame);
return(maze);
}
public string Play(string direction, string playerId)
{
if (!playerToGame.ContainsKey(playerId))
{
// Player tried to move although he is not participate in any game.
throw new Exception("Player is not in a game, need to be in a game to play");
}
// Find the player-info of the player.
MultiPlayerGame game = playerToGame[playerId];
PlayerInfo playerInfo = game.GetPlayer(playerId);
// Update the player location.
bool validMove = playerInfo.Move(game.Maze, direction);
if (!validMove)
{
// The direction of the player was invalid.
throw new Exception($"Invalid Direction '{direction}'");
}
return(game.Maze.Name);
}
public void Close(string nameOfGame)
{
MultiPlayerGame game = null;
if (unAvailablesMPGames.ContainsKey(nameOfGame))
{
// Close multiplayer game with 2 players.
game = unAvailablesMPGames[nameOfGame];
unAvailablesMPGames.Remove(nameOfGame);
playerToGame.Remove(game.Guest.PlayerId);
}
else if (availablesMPGames.ContainsKey(nameOfGame))
{
// Close multiplayer game with one player.
game = availablesMPGames[nameOfGame];
availablesMPGames.Remove(nameOfGame);
}
else
{
// The game with the given name is not exist in the system.
throw new Exception($"There is no game with the name '{nameOfGame}'");
}
playerToGame.Remove(game.Host.PlayerId);
}