/// <summary>
/// Calculates the move (dice value) it takes to get from one position to another one
/// </summary>
/// <param name="a">Position to move to</param>
/// <param name="b">Position to move from</param>
/// <returns>Dice value required for the move</returns>
public static NetworkBackgammonDice operator -(NetworkBackgammonPosition a, NetworkBackgammonPosition b)
{
NetworkBackgammonDice retVal = new NetworkBackgammonDice();
retVal.CurrentValue = NetworkBackgammonDice.DiceValue.INVALID;
if (a != null && b != null)
{
if (a > b)
{
Int32 delta = 0;
Int32 deltaMax = Convert.ToInt32(NetworkBackgammonDice.DiceValue.MAX);
switch (b.currentPosition)
{
case GameBoardPosition.BAR:
delta = Convert.ToInt32(a.currentPosition);
break;
// This should be impossible since a cannot be "bigger" than "offboard"
case GameBoardPosition.OFFBOARD:
break;
default:
delta = Convert.ToInt32(a.currentPosition) - Convert.ToInt32(b.currentPosition);
break;
}
if (delta > 0 && delta <= deltaMax)
{
retVal.CurrentValue = (NetworkBackgammonDice.DiceValue)delta;
}
}
}
return(retVal);
}
/// <summary>
/// Make a move
/// </summary>
/// <param name="_checkerSelected">(Selected) checker to be a move performed with</param>
/// <param name="_moveSelected">(Selected) move to be performed</param>
public void MakeMove(NetworkBackgammonChecker _checkerSelected, NetworkBackgammonDice _moveSelected)
{
Broadcast(new GameSessionMoveSelectedEvent(_checkerSelected, _moveSelected));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="_checkerSelected">The selected checker to be moved</param>
/// <param name="_moveSelected">The selected move to be performed with the selected checker</param>
public GameSessionMoveSelectedEvent(NetworkBackgammonChecker _checkerSelected, NetworkBackgammonDice _moveSelected)
{
checkerSelected = _checkerSelected;
moveSelected = _moveSelected;
}
/// <summary>
/// Performs a move of this checker
/// </summary>
/// <param name="_move">Move (dice value) to be performed</param>
public void MoveChecker(NetworkBackgammonDice _move)
{
currentPosition += _move;
}
