public void UpdatePlayerPawnsCounterAndScore(GameBoard i_Board)
{
int pawnCounter = 0;
int kingCounter = 0;
for (int i = 0; i < i_Board.GetSize; i++)
{
for (int j = 0; j < i_Board.GetSize; j++)
{
if (i_Board.GetSquare(i, j).GetChecker() != null)
{
if (i_Board.GetSquare(i, j).GetChecker().Color == m_Color)
{
if (i_Board.GetSquare(i, j).GetChecker().IsKing)
{
kingCounter++;
}
else
{
pawnCounter++;
}
}
}
}
}
m_NumOfPawnAlive = kingCounter + pawnCounter;
m_PlayerScore = (4 * kingCounter) + pawnCounter;
}
private void moveChecker(GameBoard i_Board, Point i_Start, Point i_End)
{
bool isKing = i_Board.GetChecker(i_Start.GetX(), i_Start.GetY()).IsKing;
char color = i_Board.GetChecker(i_Start.GetX(), i_Start.GetY()).Color;
i_Board.GetSquare(i_End.GetX(), i_End.GetY()).SetChecker(color, isKing);
i_Board.GetSquare(i_Start.GetX(), i_Start.GetY()).ClearSquare();
}
private void checkMoveOptionsOfaGivenPawn(GameBoard i_Matrix, Point i_Start, char i_PlayerColor, ref List <Point> o_ResDestanation)// returns start,end,start,end..
{
Square startSquare = null;
Square endSquare = null;
int x = i_Start.GetX();
int y = i_Start.GetY();
int matrixSize = i_Matrix.GetSize;
startSquare = i_Matrix.GetSquare(x, y);
// white move or black king
if ((i_PlayerColor == (char)eCheckerGame.WhitePlayer) || (startSquare.GetChecker().IsKing))
{
if ((x + 1 < matrixSize) && (y - 1 >= 0))
{
endSquare = i_Matrix.GetSquare(x + 1, y - 1);
if (endSquare.GetChecker() == null)
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x + 1, y - 1));
}
}
if ((x + 1 < matrixSize) && (y + 1 < matrixSize))
{
endSquare = i_Matrix.GetSquare(x + 1, y + 1);
if (endSquare.GetChecker() == null)
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x + 1, y + 1));
}
}
}
if ((i_PlayerColor == (char)eCheckerGame.BlackPlayer) || (startSquare.GetChecker().IsKing))
{
if ((y - 1 >= 0) && (x - 1 >= 0))
{
endSquare = i_Matrix.GetSquare(x - 1, y - 1);
if (endSquare.GetChecker() == null)
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x - 1, y - 1));
}
}
if ((x - 1 >= 0) && (y + 1 < i_Matrix.GetSize))
{
endSquare = i_Matrix.GetSquare(x - 1, y + 1);
if (endSquare.GetChecker() == null)
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x - 1, y + 1));
}
}
}
}
public void MakeAMove(GameBoard i_Board, Point i_StartCord, Point i_EndCord, char i_PlayerColor)
{
m_EatAgain = false;
m_DidCapture = false;
Square startSquare = i_Board.GetSquare(i_StartCord.GetX(), i_StartCord.GetY());
Square endSquare = i_Board.GetSquare(i_EndCord.GetX(), i_EndCord.GetY());
bool isKing;
bool ValidMove = true;
try
{
isStartSquareNotEmpty(startSquare);
checkIfStartPawnBelongsToPlayer(startSquare.GetChecker(), i_PlayerColor);
checkIfDestIsEmpty(endSquare);
ifThereIsACaptureMoveThenCheckIfUserChoseIt(i_Board, i_StartCord, i_EndCord, i_PlayerColor);
isKing = startSquare.GetChecker().IsKing;
if (!isKing)
{
if (i_PlayerColor == (char)eCheckerGame.WhitePlayer)
{
ValidMove = ifLegalMoveManThenMove(i_Board, i_StartCord, i_EndCord, i_PlayerColor, 1, 1); // WhiteMove
}
else
{
ValidMove = ifLegalMoveManThenMove(i_Board, i_StartCord, i_EndCord, i_PlayerColor, -1, 1); // BlackMove
}
}
else
{
if (!ifLegalMoveManThenMove(i_Board, i_StartCord, i_EndCord, i_PlayerColor, 1, 1))
{
ValidMove = ifLegalMoveManThenMove(i_Board, i_StartCord, i_EndCord, i_PlayerColor, -1, 1); // BlackMove
}
}
if (!ValidMove)
{
throw new ArgumentException("Error: unvalid move");
}
checkWeHaveANewKing(i_EndCord, endSquare, i_Board.GetSize);
if (m_DidCapture)
{
ifPawnCanEatAgain(i_Board, i_EndCord, i_PlayerColor);
}
}
catch (Exception ex)
{
throw ex;
}
}
private bool ifLegalMoveManThenMove(GameBoard i_Board, Point i_Start, Point i_End, char i_PlayerColor, int addX, int addY)
{
int startX = i_Start.GetX();
int startY = i_Start.GetY();
int endX = i_End.GetX();
int endY = i_End.GetY();
bool res = true;
if (((startX + addX == endX) && (startY - addY == endY)) || ((startX + addX == endX) && (startY + addY == endY)))
{
moveChecker(i_Board, i_Start, i_End);
m_DidCapture = false;
}
else if ((startX + (addX * 2) == endX) && (startY + (addY * 2) == endY))
{
if (i_Board.GetChecker(startX + addX, startY + addY) != null && (i_Board.GetChecker(startX + addX, startY + addY).Color != i_PlayerColor))
{
moveChecker(i_Board, i_Start, i_End);
m_DidCapture = true;
i_Board.GetSquare(startX + addX, startY + addY).ClearSquare(); // remove the eaten one
}
else
{
res = false;
}
}
else if ((startX + (addX * 2) == endX) && (startY - (addY * 2) == endY))
{
if (i_Board.GetChecker(startX + addX, startY - addY) != null && (i_Board.GetChecker(startX + addX, startY - addY).Color != i_PlayerColor))
{
moveChecker(i_Board, i_Start, i_End);
m_DidCapture = true;
i_Board.GetSquare(startX + addX, startY - addY).ClearSquare(); // remove the eaten one
}
else
{
res = false;
}
}
else
{
res = false;
}
return(res);
}
private List <Point> captureOptions(GameBoard i_Matrix, char i_PlayerColor)
{
List <Point> optionsArray = new List <Point>(1);
Square currSquare;
for (int i = 0; i < i_Matrix.GetSize; i++)
{
for (int j = 0; j < i_Matrix.GetSize; j++)
{
currSquare = i_Matrix.GetSquare(j, i);
if ((currSquare.GetChecker() != null) && (currSquare.GetChecker().Color == i_PlayerColor))
{
checkCaptureOptionsOfaGivenPawn(i_Matrix, new Point(j, i), i_PlayerColor, ref optionsArray);
}
}
}
if (optionsArray.Count == 0)
{
optionsArray = null;
}
return(optionsArray);
}
private void checkCaptureOptionsOfaGivenPawn(GameBoard i_Matrix, Point i_Start, char i_PlayerColor, ref List <Point> o_ResDestanation)// returns start,end,start,end..
{
Square checkSquare1 = null;
Square checkSquare2 = null;
int x = i_Start.GetX();
int y = i_Start.GetY();
int matrixSize = i_Matrix.GetSize;
checkSquare1 = i_Matrix.GetSquare(x, y);
if (checkSquare1.GetChecker() != null)
{
if ((i_PlayerColor == (char)eCheckerGame.WhitePlayer) || (checkSquare1.GetChecker().IsKing))
{
if ((x + 2 < matrixSize) && (y - 2 >= 0))
{
checkSquare1 = i_Matrix.GetSquare(x + 1, y - 1);
checkSquare2 = i_Matrix.GetSquare(x + 2, y - 2);
if (checkSquare1.GetChecker() != null && checkSquare2.GetChecker() == null && (checkSquare1.GetChecker().Color != i_PlayerColor))
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x + 2, y - 2));
}
}
if ((x + 2 < matrixSize) && (y + 2 < matrixSize))
{
checkSquare1 = i_Matrix.GetSquare(x + 1, y + 1);
checkSquare2 = i_Matrix.GetSquare(x + 2, y + 2);
if (checkSquare1.GetChecker() != null && checkSquare2.GetChecker() == null && (checkSquare1.GetChecker().Color != i_PlayerColor))
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x + 2, y + 2));
}
}
}
checkSquare1 = i_Matrix.GetSquare(x, y);
if ((i_PlayerColor == (char)eCheckerGame.BlackPlayer) || (checkSquare1.GetChecker().IsKing))
{
if ((y + 2 < matrixSize) && (x - 2 >= 0))
{
checkSquare1 = i_Matrix.GetSquare(x - 1, y + 1);
checkSquare2 = i_Matrix.GetSquare(x - 2, y + 2);
if (checkSquare1.GetChecker() != null && checkSquare2.GetChecker() == null && (checkSquare1.GetChecker().Color != i_PlayerColor))
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x - 2, y + 2));
}
}
if ((x - 2 >= 0) && (y - 2 >= 0))
{
checkSquare1 = i_Matrix.GetSquare(x - 1, y - 1);
checkSquare2 = i_Matrix.GetSquare(x - 2, y - 2);
if (checkSquare1.GetChecker() != null && checkSquare2.GetChecker() == null && (checkSquare1.GetChecker().Color != i_PlayerColor))
{
o_ResDestanation.Add(new Point(x, y));
o_ResDestanation.Add(new Point(x - 2, y - 2));
}
}
}
}
}
