/// <summary>
/// Player removes follower from tile.
/// </summary>
/// <param name="player">Color of player making the move.</param>
/// <param name="coords">Coordinates of tile where follower is placed.</param>
/// <exception cref="GameException">Exeption describing the error.</exception>
public void RemoveFollower(PlayerColor player, Coords coords)
{
// Check if correct player is making the request
if (CurrentGameState.Params.PlayerOrder[CurrentGameState.CurrentPlayerIndex] != player)
{
throw new NotOnMoveException();
}
// Check if it is correct time to place a tile
if (CurrentGameState.CurrentPhase != GamePhase.TILE_PLACED)
{
throw new WrongMovePhaseException();
}
// Retrieve the follower placement
var correctFollowers = CurrentGameState.PlacedFollowers.Where(f => f.Color == player && f.TileCoords == coords).ToList();
// Check if exactly one place is found
if (correctFollowers.Count() != 1)
{
throw new IncorrectFollowerCoordsException();
}
// Retrieve the score
var score = GridExplorer.GetPointsForFollower(CurrentGameState.Grid, coords, correctFollowers[0].RegionId, forceOpen: false);
// Remove the follower
CurrentGameState.PlacedFollowers.Remove(correctFollowers[0]);
CurrentGameState.Grid[coords].PlacedFollower = null;
CurrentGameState.Scores[player] += score;
FollowerRemovedEvent.Invoke(player, coords, score);
// Also finish the move
FinishMove();
}
/// <summary>
/// Finishes the game.
/// </summary>
private void FinishGame()
{
// Retrieve remaining followers
FollowerPlacement[] remaining = new FollowerPlacement[CurrentGameState.PlacedFollowers.Count];
CurrentGameState.PlacedFollowers.CopyTo(remaining);
// Remove remaining followers
foreach (var fp in remaining)
{
// Retrieve the score
var score = GridExplorer.GetPointsForFollower(CurrentGameState.Grid, fp.TileCoords, fp.RegionId, forceOpen: true);
// Remove the follower
CurrentGameState.Scores[fp.Color] += score;
FollowerRemovedEvent.Invoke(fp.Color, fp.TileCoords, score);
}
// Notify about end of the game and change state type
CurrentGameState.CurrentPhase = GamePhase.GAME_OVER;
GameEndedEvent.Invoke();
}
