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;
}