private static TesseraResult CheckInRange(Point[] points, PieceColor pieceColor)
{
TesseraResult result = new TesseraResult();
if (points.Length == 6)
{
//makes sure the end points are open
if (game.GetPieceAt(points[0]) == PieceColor.Empty && game.GetPieceAt(points[5]) == PieceColor.Empty)
{
result.isTria = true;
result.isTessera = true;
for (int i = 1; i < 5; i++)
{
if (game.GetPieceAt(points[i]) == PieceColor.Empty)
{
result.isTria = result.isTessera ? true : false;
result.isTessera = false;
}
else if (game.GetPieceAt(points[i]) != pieceColor)
{
result.isTria = false;
result.isTessera = false;
}
}
}
}
return(result);
}
private static bool CheckTessera(int row, int col, PieceColor pieceColor)
{
TesseraResult result = new TesseraResult();
// Up-Down
for (int i = 0; i < 4 && !result.isTessera; i++)
{
bool validRange = true;
Point[] points = new Point[6];
for (int j = 0; j < 6 && validRange; j++)
{
points[j] = new Point(row - j + i + 1, col);
validRange = IsPointWithinBoard(points[j]);
}
if (!validRange)
{
continue;
}
TesseraResult tesseraResult = CheckInRange(points, pieceColor);
game.Tessera = tesseraResult.isTessera ? tesseraResult.isTessera : game.Tessera;
game.Tria = tesseraResult.isTria ? tesseraResult.isTria : game.Tria;
if (tesseraResult.isTessera || tesseraResult.isTria)
{
result = tesseraResult;
}
}
// Left-Right
for (int i = 0; i < 4 && !result.isTessera; i++)
{
bool validRange = true;
Point[] points = new Point[6];
for (int j = 0; j < 6 && validRange; j++)
{
points[j] = new Point(row, col - j + i + 1);
validRange = IsPointWithinBoard(points[j]);
}
if (!validRange)
{
continue;
}
TesseraResult tesseraResult = CheckInRange(points, pieceColor);
game.Tessera = tesseraResult.isTessera ? tesseraResult.isTessera : game.Tessera;
game.Tria = tesseraResult.isTria ? tesseraResult.isTria : game.Tria;
if (tesseraResult.isTessera || tesseraResult.isTria)
{
result = tesseraResult;
}
}
// Diagonal \
for (int i = 0; i < 4 && !result.isTessera; i++)
{
bool validRange = true;
Point[] points = new Point[6];
for (int j = 0; j < 6 && validRange; j++)
{
points[j] = new Point(row - j + i + 1, col - j + i + 1);
validRange = IsPointWithinBoard(points[j]);
}
if (!validRange)
{
continue;
}
TesseraResult tesseraResult = CheckInRange(points, pieceColor);
game.Tessera = tesseraResult.isTessera ? tesseraResult.isTessera : game.Tessera;
game.Tria = tesseraResult.isTria ? tesseraResult.isTria : game.Tria;
if (tesseraResult.isTessera || tesseraResult.isTria)
{
result = tesseraResult;
}
}
// Diagonal /
for (int i = 0; i < 4 && !result.isTessera; i++)
{
bool validRange = true;
Point[] points = new Point[6];
for (int j = 0; j < 6 && validRange; j++)
{
points[j] = new Point(row + j - i - 1, col - j + i + 1);
validRange = IsPointWithinBoard(points[j]);
}
if (!validRange)
{
continue;
}
TesseraResult tesseraResult = CheckInRange(points, pieceColor);
game.Tessera = tesseraResult.isTessera ? tesseraResult.isTessera : game.Tessera;
game.Tria = tesseraResult.isTria ? tesseraResult.isTria : game.Tria;
if (tesseraResult.isTessera || tesseraResult.isTria)
{
result = tesseraResult;
}
}
return(result.isTessera || result.isTria);
}