public BackgammonController()
{
_RedPlayer = new RedPlayer("Red Player", CheckerColor.Red);
_BlackPlayer = new BlackPlayer("Black Player", CheckerColor.Black);
GameBoard = new Board();
GameDice = new Dice();
_RedPlayer.IsMyTurn = true;
}
public override IEnumerable<KeyValuePair<int, int>> GetAvailableMovesFromBar(Board gameBoard, Dice gameDice)
{
List<KeyValuePair<int, int>> AvailableMoves = new List<KeyValuePair<int, int>>();
if (gameDice.FirstCube != 0)
{
if (IsLegalPlayerFinalMove(gameBoard, 24, 24 - gameDice.FirstCube, gameDice.FirstCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(-1, -1 + gameDice.FirstCube));
}
}
if (gameDice.SecondCube != 0)
{
if (IsLegalPlayerFinalMove(gameBoard, 24, 24 - gameDice.SecondCube, gameDice.SecondCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(-1, -1 + gameDice.SecondCube));
}
}
return AvailableMoves;
}
public override IEnumerable<KeyValuePair<int, int>> GetAvailableMovesEat(Board gameBoard, Dice gameDice)
{
if (gameBoard.GameBar.NumOfRedCheckers == 0) // if he's stuck on the bar, no point counting his normal moves
{
List<KeyValuePair<int, int>> AvailableMovesEat = new List<KeyValuePair<int, int>>();
for (int i = 0; i < gameBoard.Triangles.Count; i++)
{
if (!gameDice.RolledDouble) // not double. if double - only check once (next if)
{
if (i + gameDice.FirstCube <= 23 && gameDice.FirstCube != 0) // don't step out of array boundries, check if cube was not 'reset' to 0
{
if (IsLegalPlayerInitialMove(gameBoard, i) && IsLegalPlayerFinalMoveEat(gameBoard, i, i + gameDice.FirstCube, gameDice.FirstCube))
{
AvailableMovesEat.Add(new KeyValuePair<int, int>(i, i + gameDice.FirstCube));
}
}
}
if (i + gameDice.SecondCube <= 23 && gameDice.SecondCube != 0) // don't step out of array boundries, check if cube was not 'reset' to 0
{
// 2nd cube can also be an available 'eat move'
if (IsLegalPlayerInitialMove(gameBoard, i) && IsLegalPlayerFinalMoveEat(gameBoard, i, i + gameDice.SecondCube, gameDice.SecondCube))
{
AvailableMovesEat.Add(new KeyValuePair<int, int>(i, i + gameDice.SecondCube));
}
}
}
return AvailableMovesEat;
}
else
{
return GetAvailableMovesEatFromBar(gameBoard, gameDice);
}
}
public abstract void UpdateCheckersAtHome(Board gameBoard);
public override bool CanBearOffCheckers(Board gameBoard)
{
int NumOfCheckersOutsideHome = gameBoard.GameBar.NumOfRedCheckers;
for (int i = 0; i <= 17; i++)
{
if(gameBoard.Triangles[i].CheckersColor == CheckerColor.Red)
{
NumOfCheckersOutsideHome += gameBoard.Triangles[i].NumOfCheckers;
}
}
if(NumOfCheckersOutsideHome > 0)
{
return false;
}
return true;
}
public override void UpdateCheckersAtHome(Board gameBoard)
{
CheckersAtHome = 0;
for (int i = 18; i <= 23; i++)
{
if(gameBoard.Triangles[i].CheckersColor == CheckerColor.Red)
{
CheckersAtHome += gameBoard.Triangles[i].NumOfCheckers;
}
}
}
public override bool IsLegalPlayerFinalMove(Board gameBoard, int fromIndex, int toIndex, int cubeNumber) // check if came from bar? -1...
{
if (toIndex - fromIndex == cubeNumber)
{
if (gameBoard.Triangles[toIndex].CheckersColor == null || gameBoard.Triangles[toIndex].CheckersColor == CheckerColor.Red) // 2nd condition ?
{
return true;
}
}
return false;
}
public override bool IsLegalPlayerFinalMoveEat(Board gameBoard, int fromIndex, int toIndex, int cubeNumber) // check if came from bar? -1...
{
if (toIndex - fromIndex == cubeNumber)
{
if (gameBoard.Triangles[toIndex].CheckersColor == CheckerColor.Black && gameBoard.Triangles[toIndex].NumOfCheckers == 1)
{
return true;
}
}
return false;
}
public override IEnumerable<KeyValuePair<int, int>> GetAvailableBearOffMoves(Board gameBoard, Dice gameDice)
{
List<KeyValuePair<int, int>> AvailableMoves = new List<KeyValuePair<int, int>>();
for (int i = 18; i <= 23; i++)
{
if (!gameDice.RolledDouble) // not double. if double - only check once (next if)
{
if (gameDice.FirstCube != 0) // check if cube was not 'reset' to 0
{
if (IsLegalPlayerInitialMove(gameBoard, i) && IsLegalPlayerBearOffMove(i, gameDice.FirstCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(i, gameDice.FirstCube));
}
}
}
if (gameDice.SecondCube != 0) // check if cube was not 'reset' to 0
{
// 2nd cube can also be an available 'move' (if he hasn't rolled double)
if (IsLegalPlayerInitialMove(gameBoard, i) && IsLegalPlayerBearOffMove(i, gameDice.SecondCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(i, gameDice.SecondCube));
}
}
}
return AvailableMoves;
}
public override bool IsLegalPlayerInitialMove(Board gameBoard, int index)
{
if (gameBoard.Triangles[index].CheckersColor == CheckerColor.Red && gameBoard.GameBar.NumOfRedCheckers == 0)
{
return true;
}
return false;
}
public bool HasAvailableBearOffMoves(Board gameBoard, Dice gameDice)
{
return GetAvailableBearOffMoves(gameBoard, gameDice).ToList().Count > 0 ? true : false;
}
public override IEnumerable<KeyValuePair<int, int>> GetAvailableMovesEatFromBar(Board gameBoard, Dice gameDice)
{
List<KeyValuePair<int, int>> AvailableMoves = new List<KeyValuePair<int, int>>();
if (gameDice.FirstCube != 0) // check if that cube wasn't reset
{
if (IsLegalPlayerFinalMoveEat(gameBoard, -1, -1 + gameDice.FirstCube, gameDice.FirstCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(-1, -1 + gameDice.FirstCube));
}
}
if (gameDice.SecondCube != 0) // check if that cube wasn't reset
{
if (IsLegalPlayerFinalMoveEat(gameBoard, -1, -1 + gameDice.SecondCube, gameDice.SecondCube))
{
AvailableMoves.Add(new KeyValuePair<int, int>(-1, -1 + gameDice.SecondCube));
}
}
return AvailableMoves;
}
public abstract bool CanBearOffCheckers(Board gameBoard);
public abstract bool IsLegalPlayerFinalMoveEat(Board gameBoard, int fromIndex, int toIndex, int cubeNumber);
public abstract bool IsLegalPlayerInitialMove(Board gameBoard, int index);
public abstract IEnumerable<KeyValuePair<int, int>> GetAvailableBearOffMoves(Board gameBoard, Dice gameDice);
public abstract IEnumerable<KeyValuePair<int, int>> GetAvailableMovesEatFromBar(Board gameBoard, Dice gameDice);
