public override List <BoardCoord> GetPossibleMoves(BoardDataModel boardDataModel)
{
BoardCoord oneStep;
BoardCoord twoStep;
int twoStepCoordinate;
BoardCoord eatRightStep;
BoardCoord eatLeftStep;
List <BoardCoord> possibleMoves = new List <BoardCoord>();
switch (_colorType)
{
case ChessmanColorType.Light:
{
oneStep = new BoardCoord(_currentBoardCoordinate.X, _currentBoardCoordinate.Y + 1);
twoStep = new BoardCoord(_currentBoardCoordinate.X, _currentBoardCoordinate.Y + 2);
twoStepCoordinate = 2;
eatRightStep = new BoardCoord(_currentBoardCoordinate.X + 1, _currentBoardCoordinate.Y + 1);
eatLeftStep = new BoardCoord(_currentBoardCoordinate.X - 1, _currentBoardCoordinate.Y + 1);
break;
}
case ChessmanColorType.Dark:
{
oneStep = new BoardCoord(_currentBoardCoordinate.X, _currentBoardCoordinate.Y - 1);
twoStep = new BoardCoord(_currentBoardCoordinate.X, _currentBoardCoordinate.Y - 2);
twoStepCoordinate = 7;
eatRightStep = new BoardCoord(_currentBoardCoordinate.X - 1, _currentBoardCoordinate.Y - 1);
eatLeftStep = new BoardCoord(_currentBoardCoordinate.X + 1, _currentBoardCoordinate.Y - 1);
break;
}
default:
return(null);
}
if (oneStep.IsValid() && !boardDataModel.IsBoardCoordinateOccupied(oneStep))
{
possibleMoves.Add(oneStep);
}
if (_currentBoardCoordinate.Y == twoStepCoordinate && twoStep.IsValid() && !boardDataModel.IsBoardCoordinateOccupied(twoStep))
{
possibleMoves.Add(twoStep);
}
if (eatRightStep.IsValid() && boardDataModel.IsBoardCoordinateOccupiedByEnemy(_colorType, eatRightStep))
{
possibleMoves.Add(eatRightStep);
}
if (eatLeftStep.IsValid() && boardDataModel.IsBoardCoordinateOccupiedByEnemy(_colorType, eatLeftStep))
{
possibleMoves.Add(eatLeftStep);
}
return(possibleMoves);
}
