public BoardChangeCommand(Board destinationBoard, Coordinate playerCoordinate)
{
destinationBoard.ThrowIfNull("destinationBoard");
_destinationBoard = destinationBoard;
_playerCoordinate = playerCoordinate;
}
public BoardEnteredEvent(Board oldBoard, Board newBoard)
{
newBoard.ThrowIfNull("NewBoard");
oldBoard.ThrowIfNull("oldBoard");
_newBoard = newBoard;
_oldBoard = oldBoard;
}
public ActorInstanceCreateCommand(Board board, ActorInstance actorInstance)
{
board.ThrowIfNull("board");
actorInstance.ThrowIfNull("actorInstance");
_board = board;
_actorInstance = actorInstance;
}
public BoardExitedEvent(Board oldBoard, Board newBoard)
{
oldBoard.ThrowIfNull("OldBoard");
newBoard.ThrowIfNull("newBoard");
_oldBoard = oldBoard;
_newBoard = newBoard;
}
protected internal bool ChangeLocation(Board board, Coordinate newCoordinate)
{
board.ThrowIfNull("board");
Sprite foregroundSprite = board.ForegroundLayer[newCoordinate];
ActorInstance actorInstance = board.ActorInstanceLayer[newCoordinate];
if (foregroundSprite != null || actorInstance != null)
{
return false;
}
BoardId = board.Id;
Coordinate = newCoordinate;
return true;
}
public XElement Serialize(Board board, string elementName = "board")
{
board.ThrowIfNull("board");
elementName.ThrowIfNull("elementName");
return new XElement(
elementName,
SpriteLayerSerializer.Instance.Serialize(board.BackgroundLayer, "backgroundLayer"),
SpriteLayerSerializer.Instance.Serialize(board.ForegroundLayer, "foregroundLayer"),
ActorInstanceLayerSerializer.Instance.Serialize(board.ActorInstanceLayer),
board.Exits.Select(arg => BoardExitSerializer.Instance.Serialize(arg)),
board.Timers.Select(arg => TimerSerializer.Instance.Serialize(arg)),
EventHandlerCollectionSerializer.Instance.Serialize(board.EventHandlerCollection),
new XAttribute("id", board.Id),
new XAttribute("name", board.Name),
new XAttribute("description", board.Description),
new XAttribute("size", SizeSerializer.Instance.Serialize(board.Size)));
}
public byte[] Serializer(Board board)
{
board.ThrowIfNull("board");
var serializer = new CompactSerializer();
serializer[0] = board.Id.ToByteArray();
serializer[1] = Encoding.UTF8.GetBytes(board.Name);
serializer[2] = Encoding.UTF8.GetBytes(board.Description);
serializer[3] = SizeSerializer.Instance.Seralize(board.Size);
serializer[4] = SpriteLayerSerializer.Instance.Serialize(board.BackgroundLayer);
serializer[5] = SpriteLayerSerializer.Instance.Serialize(board.ForegroundLayer);
serializer[6] = ActorInstanceLayerSerializer.Instance.Serialize(board.ActorInstanceLayer);
var boardExitSerializer = new CompactSerializer();
int index = 0;
foreach (BoardExit boardExit in board.Exits)
{
boardExitSerializer[index++] = BoardExitSerializer.Instance.Serialize(boardExit);
}
var timerSerializer = new CompactSerializer();
index = 0;
foreach (Timer timer in board.Timers)
{
timerSerializer[index++] = TimerSerializer.Instance.Serialize(timer);
}
serializer[7] = boardExitSerializer.Serialize();
serializer[8] = timerSerializer.Serialize();
serializer[9] = EventHandlerCollectionSerializer.Instance.Serialize(board.EventHandlerCollection);
return serializer.Serialize();
}
protected internal bool ChangeCoordinate(Board board, Player player, Coordinate destinationCoordinate)
{
board.ThrowIfNull("board");
player.ThrowIfNull("player");
if (board.ActorInstanceLayer[Coordinate] != this)
{
throw new ArgumentException("Board's actor instance layer does not contain this actor instance.", "board");
}
ActorInstance destinationActorInstance = board.ActorInstanceLayer[destinationCoordinate];
Sprite foregroundSprite = board.ForegroundLayer[destinationCoordinate];
if (destinationActorInstance != null || foregroundSprite != null || player.Coordinate == destinationCoordinate)
{
return destinationActorInstance == this;
}
board.ActorInstanceLayer.MoveTile(Coordinate, destinationCoordinate);
Coordinate = destinationCoordinate;
return true;
}
public static BoardChangeCommand BoardChange(Board board, Coordinate newPlayerCoordinate)
{
return new BoardChangeCommand(board, newPlayerCoordinate);
}
public static ActorInstanceCreateCommand ActorInstanceCreate(Board board, ActorInstance actorInstance)
{
return new ActorInstanceCreateCommand(board, actorInstance);
}
private CommandResult ProcessDestinationCoordinate(Context context, Board board, Coordinate destinationCoordinate)
{
Coordinate currentCoordinate = context.Player.Coordinate;
BoardExitDirection boardExitDirection = GetBoardExitDirection(currentCoordinate, destinationCoordinate);
BoardExit boardExit = board.Exits.SingleOrDefault(arg => arg.Coordinate == currentCoordinate && arg.Direction == boardExitDirection);
if (boardExit != null)
{
Board destinationBoard = context.GetBoardById(boardExit.DestinationBoardId);
context.EnqueueCommand(new BoardChangeCommand(destinationBoard, boardExit.DestinationCoordinate));
return CommandResult.Succeeded;
}
if (!board.CoordinateIntersects(destinationCoordinate))
{
return CommandResult.Failed;
}
ActorInstance targetActorInstance = board.ActorInstanceLayer[destinationCoordinate];
if (targetActorInstance != null)
{
TouchDirection? touchDirection = GetTouchDirection(currentCoordinate, destinationCoordinate);
if (touchDirection != null)
{
context.RaiseEvent(targetActorInstance.OnTouchedByPlayer, new PlayerTouchedActorInstanceEvent(targetActorInstance, touchDirection.Value));
}
}
return context.Player.ChangeLocation(context.CurrentBoard, destinationCoordinate) ? CommandResult.Succeeded : CommandResult.Failed;
}
private static void GetDrawingParameters(
Board board,
Player player,
out Point topLeftPoint,
out Coordinate topLeftCoordinate,
out Coordinate bottomRightCoordinate)
{
int drawableTilesToLeft = Math.Min(Constants.GameWindow.TilesToLeftInclusive, player.Coordinate.X);
int drawableTilesToTop = Math.Min(Constants.GameWindow.TilesToTopInclusive, player.Coordinate.Y);
int drawableTilesToRight = Math.Min(Constants.GameWindow.TilesToRightExclusive, board.Size.Width - player.Coordinate.X - 1);
int drawableTilesToBottom = Math.Min(Constants.GameWindow.TilesToBottomExclusive, board.Size.Height - player.Coordinate.Y - 1);
topLeftPoint = new Point(
Constants.PlayerRenderer.DestinationRectangle.X - (drawableTilesToLeft * TextAdventure.Xna.Constants.Tile.TileWidth),
Constants.PlayerRenderer.DestinationRectangle.Y - (drawableTilesToTop * TextAdventure.Xna.Constants.Tile.TileHeight));
topLeftCoordinate = new Coordinate(player.Coordinate.X - drawableTilesToLeft, player.Coordinate.Y - drawableTilesToTop);
bottomRightCoordinate = new Coordinate(player.Coordinate.X + drawableTilesToRight, player.Coordinate.Y + drawableTilesToBottom);
}