internal CaseState[,] GetAvailablePositions()
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if (_gameState[i, j] != CaseState.Free && _gameState[i, j] != CaseState.Available && _gameState[i, j] != _currentPlayerColor)
{
Position currentPosition = new Position(){X = i, Y = j};
Position pieceOfMyColorOnSameLine = SearchForMyColorOnSameLine(currentPosition);
if (pieceOfMyColorOnSameLine != null)
{
_gameState[pieceOfMyColorOnSameLine.X, pieceOfMyColorOnSameLine.Y] = CaseState.Available;
}
Position pieceOfMyColorOnSameColumn = SearchForMyColorOnSameColumn(currentPosition);
if (pieceOfMyColorOnSameColumn != null)
{
_gameState[pieceOfMyColorOnSameColumn.X, pieceOfMyColorOnSameColumn.Y] = CaseState.Available;
}
Position pieceOfMyColorOnSameDiagonal = SearchForMyColorOnSameDiagonal(currentPosition);
if (pieceOfMyColorOnSameDiagonal != null)
{
_gameState[pieceOfMyColorOnSameDiagonal.X, pieceOfMyColorOnSameDiagonal.Y] = CaseState.Available;
}
}
}
}
return _gameState;
}
private Position CalculateAvailablePosition(Direction direction, int currentPositionCoordToStudy, Position position, int coordToStudy)
{
var gameState = _gameState;
bool isPieceFound = false;
while (coordToStudy < 7)
{
coordToStudy += 1;
var state = direction == Direction.Horizontal ? gameState[coordToStudy, position.Y] : gameState[position.X, coordToStudy];
if (state == _currentPlayerColor)
{
isPieceFound = true;
break;
}
}
if (!isPieceFound)
{
while (coordToStudy > 0)
{
coordToStudy -= 1;
var state = direction == Direction.Horizontal ? gameState[coordToStudy, position.Y] : gameState[position.X, coordToStudy];
if (state == _currentPlayerColor)
{
isPieceFound = true;
break;
}
}
}
// cherche dans l'autre direction une case vide et si trouve => free
// search free left
if (isPieceFound && coordToStudy > currentPositionCoordToStudy)
{
while (coordToStudy > 0)
{
coordToStudy -= 1;
var state = direction == Direction.Horizontal ? gameState[coordToStudy, position.Y] : gameState[position.X, coordToStudy];
if (state == CaseState.Free)
{
break;
}
}
}
else if (isPieceFound && coordToStudy < currentPositionCoordToStudy)
{
while (coordToStudy < 7)
{
coordToStudy += 1;
var state = direction == Direction.Horizontal ? gameState[coordToStudy, position.Y] : gameState[position.X, coordToStudy];
if (state == CaseState.Free)
{
break;
}
}
}
// return cette position
if (direction == Direction.Horizontal)
{
position.X = coordToStudy;
}
else
{
position.Y = coordToStudy;
}
return position;
}
private Position SearchForMyColorOnSameDiagonal(Position currentPosition)
{
return null;
}
private Position SearchForMyColorOnSameLine(Position currentPosition)
{
var position = new Position {X = currentPosition.X, Y = currentPosition.Y};
return CalculateAvailablePosition(Direction.Horizontal, currentPosition.X, position, position.X);
}
private Position SearchForMyColorOnSameColumn(Position currentPosition)
{
var position = new Position { X = currentPosition.X, Y = currentPosition.Y };
return CalculateAvailablePosition(Direction.Vertical, currentPosition.Y, position, position.Y);
}