private static void MoveDames(int x, int y, FieldState fieldState, GameState gameState)
{
if (fieldState != gameState.CurrentDame) return;
for (var i = 0; i < 8; i++) MovePawn(x, y, x + i, y + i, gameState);
for (var i = 0; i < 8; i++) MovePawn(x, y, x + i, y - i, gameState);
for (var i = 0; i < 8; i++) MovePawn(x, y, x - i, y - i, gameState);
for (var i = 0; i < 8; i++) MovePawn(x, y, x - i, y + i, gameState);
}
private static void CapturePawns(FieldState[,] boardState, int x, int y, GameState gameState)
{
if (boardState[x, y] != gameState.CurrentPawn) return;
CapturePawn(boardState, x, y, 1, 1, gameState, gameState.CurrentPawn);
CapturePawn(boardState, x, y, 1, -1, gameState, gameState.CurrentPawn);
CapturePawn(boardState, x, y, -1, -1, gameState, gameState.CurrentPawn);
CapturePawn(boardState, x, y, -1, 1, gameState, gameState.CurrentPawn);
}
private static void CaptureDames(FieldState[,] boardState, int x, int y, GameState gameState)
{
if (boardState[x, y] != gameState.CurrentDame) return;
for (var i = 0; i < 8; i++) CapturePawn(boardState, x, y, i, i, gameState, gameState.CurrentDame);
for (var i = 0; i < 8; i++) CapturePawn(boardState, x, y, i, -i, gameState, gameState.CurrentDame);
for (var i = 0; i < 8; i++) CapturePawn(boardState, x, y, -i, -i, gameState, gameState.CurrentDame);
for (var i = 0; i < 8; i++) CapturePawn(boardState, x, y, -i, i, gameState, gameState.CurrentDame);
}
private static void MovePawns(int x, int y, FieldState fieldState, GameState gameState)
{
if (fieldState != gameState.CurrentPawn) return;
var direction = 0;
if (fieldState == FieldState.RedPawn) direction = 1;
if (fieldState == FieldState.YellowPawn) direction = -1;
MovePawn(x, y, x + direction, y + 1, gameState);
MovePawn(x, y, x + direction, y - 1, gameState);
}
private static void MovePawn(int currentX, int currentY, int newX, int newY, GameState gameState)
{
if (newX < 0 || newX > 7 || newY < 0 || newY > 7) return;
if (gameState.PreviousBoardArray[newX, newY] != FieldState.Empty) return;
var tmpBoard = (FieldState[,])gameState.PreviousBoardArray.Clone();
tmpBoard[newX, newY] = tmpBoard[currentX, currentY];
tmpBoard[currentX, currentY] = FieldState.Empty;
gameState.PossibleMoves.Add(tmpBoard);
}
public static void SetPossibleCapture(FieldState[,] boardState, GameState gameState)
{
gameState.PossibleCapture.Clear();
for (var i = 0; i < 8; i++)
for (var j = 0; j < 8; j++)
{
CapturePawns(boardState, i, j, gameState);
CaptureDames(boardState, i, j, gameState);
}
}
public static void SetPossibleMoves(GameState gameState)
{
gameState.PossibleMoves.Clear();
for (var i = 0; i < 8; i++)
for (var j = 0; j < 8; j++)
{
var fieldState = gameState.PreviousBoardArray[i, j];
MovePawns(i, j, fieldState, gameState);
MoveDames(i, j, fieldState, gameState);
}
}
private static void CapturePawn(FieldState[,] boardState, int currentX, int currentY, int moveX, int moveY, GameState gameState, FieldState currentPawnType)
{
var opponentPawnX = currentX + moveX;
var opponentPawnY = currentY + moveY;
var opponentPawn = gameState.CurrentPawn == FieldState.RedPawn ? FieldState.YellowPawn : FieldState.RedPawn;
var opponentDame = gameState.CurrentDame == FieldState.BluePawn ? FieldState.GreenPawn : FieldState.BluePawn;
var newX = currentX + (moveX > 0 ? moveX + 1 : moveX - 1);
var newY = currentY + (moveY > 0 ? moveY + 1 : moveY - 1);
if ((boardState[currentX, currentY] != currentPawnType) ||
(opponentPawnX < 0 || opponentPawnX > 7 || opponentPawnY < 0 || opponentPawnY > 7) ||
(newX < 0 || newX > 7 || newY < 0 || newY > 7) ||
!((boardState[opponentPawnX, opponentPawnY] == opponentPawn) || (boardState[opponentPawnX, opponentPawnY] == opponentDame)) ||
(boardState[newX, newY] != FieldState.Empty))
return;
var tmpBoard = (FieldState[,])boardState.Clone();
tmpBoard[newX, newY] = tmpBoard[currentX, currentY];
tmpBoard[currentX, currentY] = FieldState.Empty;
tmpBoard[opponentPawnX, opponentPawnY] = FieldState.Empty;
gameState.PossibleCapture.Add(tmpBoard);
}
public void InitBoard(FieldState[,] boardArray)
{
_gameState = new GameState(boardArray);
Console.WriteLine("Init new Board");
Console.WriteLine("Current player: {0}", _gameState.CurrentPlayer + 1);
}
public CheckCheckers()
{
_gameState = new GameState();
}