/// <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>
/// Player places tile on a grid.
/// </summary>
/// <param name="player">Color of player making the move.</param>
/// <param name="tile">Tile that is being placed.</param>
/// <param name="coords">Coordinates of tile.</param>
/// <param name="orientation">Orientation of the tile.</param>
/// <exception cref="GameException">Exeption describing the error.</exception>
public void PlaceTile(PlayerColor player, TileScheme tile, Coords coords, TileOrientation orientation)
{
// Check if the first tile is being placed
if (player == PlayerColor.NONE && (CurrentGameState.CurrentPhase == GamePhase.BEFORE_START || _TileSetType != TileSetType.STANDARD))
{
// Check the tile placement
GridExplorer.CheckTilePlacement(CurrentGameState.Grid, tile, coords, orientation, first: true);
if (_TileSetType == TileSetType.STANDARD_PASSIVE)
{
((StandardPassiveTileSetSupplier)CurrentGameState.TileSupplier).DiscardTile(tile);
}
CurrentGameState.Grid.Add(coords, new TilePlacement()
{
Orientation = orientation,
Scheme = tile
});
TilePlacedEvent.Invoke(PlayerColor.NONE, tile, coords, orientation);
return;
}
// 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_SELECTED)
{
throw new WrongMovePhaseException();
}
// Check if tile is the same
if ((_TileSetType == TileSetType.STANDARD) && !CurrentGameState.CurrentTile.IsSameAs(tile))
{
throw new WrongTileException();
}
// Check the tile placement
GridExplorer.CheckTilePlacement(CurrentGameState.Grid, tile, coords, orientation, first: false);
// Place the tile
CurrentGameState.Grid.Add(coords, new TilePlacement()
{
Orientation = orientation,
Scheme = tile
});
CurrentGameState.CurrentCoords = coords;
CurrentGameState.CurrentPhase = GamePhase.TILE_PLACED;
TilePlacedEvent.Invoke(player, tile, coords, orientation);
if (_TileSetType == TileSetType.STANDARD_PASSIVE)
{
((StandardPassiveTileSetSupplier)CurrentGameState.TileSupplier).DiscardTile(tile);
}
}
/// <summary>
/// Player places follower on a region.
/// </summary>
/// <param name="player">Color of player making the move.</param>
/// <param name="coords">Coordinates of tile.</param>
/// <param name="regionId">Region ID on tile.</param>
/// <exception cref="GameException">Exeption describing the error.</exception>
public void PlaceFollower(PlayerColor player, Coords coords, int regionId)
{
// 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();
}
// Check if coordinates of tile follower corresponds to the current tile coordinates
if (CurrentGameState.CurrentCoords != coords)
{
throw new IncorrectFollowerCoordsException();
}
// Check if player has any unoccupied follower
if (CurrentGameState.PlacedFollowers.Where(f => f.Color == player).Count() >= CurrentGameState.Params.FollowerAmount)
{
throw new NoFollowerAvailableException();
}
// Check follower placement (whether region is occupied)
if (GridExplorer.IsRegionOccupied(CurrentGameState.Grid, coords, regionId))
{
throw new AlreadyOccupiedException();
}
// Place the follower
var tileInfo = CurrentGameState.Grid[coords];
tileInfo.PlacedFollower = new FollowerPlacement()
{
Color = player,
RegionId = regionId,
TileCoords = coords
};
// Add follower placement info to the list
CurrentGameState.PlacedFollowers.Add(tileInfo.PlacedFollower);
// Invoke the event
FollowerPlacedEvent.Invoke(player, coords, regionId);
// 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();
}