/// <summary>
/// Constructor
/// </summary>
/// <param name="_position">Initial position of this checker</param>
public NetworkBackgammonChecker(NetworkBackgammonPosition _position)
{
currentPosition = _position;
// Create a unique object ID (Is this function really creating just uniqe IDs?)
uniqueObjectID = System.Guid.NewGuid().GetHashCode();
}
/// <summary>
/// Calculates a new position based on a given position and a move (dice value) to be applied
/// </summary>
/// <param name="a">Position the move is to be based on</param>
/// <param name="b">Move (dice value)</param>
/// <returns>New position (after performing the potential move)</returns>
public static NetworkBackgammonPosition operator +(NetworkBackgammonPosition a, NetworkBackgammonDice b)
{
NetworkBackgammonPosition retVal = null;
switch (a.currentPosition)
{
case GameBoardPosition.INVALID:
retVal = new NetworkBackgammonPosition(GameBoardPosition.INVALID);
break;
case GameBoardPosition.BAR:
retVal = new NetworkBackgammonPosition((GameBoardPosition)Enum.Parse(typeof(GameBoardPosition), Convert.ToUInt32(b.CurrentValue).ToString()));
break;
case GameBoardPosition.OFFBOARD:
retVal = new NetworkBackgammonPosition(GameBoardPosition.OFFBOARD);
break;
default:
UInt32 newPos = Convert.ToUInt32(a.CurrentPosition) + Convert.ToUInt32(b.CurrentValue);
if (newPos > Convert.ToUInt32(GameBoardPosition.NORMAL_END))
{
retVal = new NetworkBackgammonPosition(GameBoardPosition.OFFBOARD);
}
else
{
retVal = new NetworkBackgammonPosition((GameBoardPosition)Enum.Parse(typeof(GameBoardPosition), Convert.ToUInt32(newPos).ToString()));
}
break;
}
return(retVal);
}
/// <summary>
/// Constructor
/// </summary>
/// <remarks>
/// Parameterless constructor, mainly required for serialization.
/// </remarks>
public NetworkBackgammonChecker()
{
currentPosition = new NetworkBackgammonPosition(NetworkBackgammonPosition.GameBoardPosition.INVALID);
// Create a unique object ID (Is this function really creating just uniqe IDs?)
uniqueObjectID = System.Guid.NewGuid().GetHashCode();
}
/// <summary>
/// Gets the current position as seen from the opponent's (opposite) side
/// </summary>
/// <returns>Opposite position of the current position</returns>
public NetworkBackgammonPosition GetOppositePosition()
{
NetworkBackgammonPosition retVal = null;
// An opposite position exists only for "normal" positions
if (currentPosition >= NetworkBackgammonPosition.GameBoardPosition.NORMAL_START &&
currentPosition <= NetworkBackgammonPosition.GameBoardPosition.NORMAL_END)
{
UInt32 oppositeValue = (UInt32)GameBoardPosition.NORMAL_END - (UInt32)currentPosition + 1;
GameBoardPosition oppositePosition = (GameBoardPosition)oppositeValue;
retVal = new NetworkBackgammonPosition(oppositePosition);
}
else
{
retVal = new NetworkBackgammonPosition(GameBoardPosition.INVALID);
}
return(retVal);
}
/// <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;
}