public bool PlayStone(int index, Color color, bool allowUndo)
{
if (!IsLegal(index, color))
{
return(false);
}
if (allowUndo)
{
UndoStack.Mark();
UndoStack.Add(new GoBoardUndoState(this));
}
else
{
UndoStack.Clear();
}
if (index == CoordinateSystem.RESIGN)
{
GameOver = true;
}
if ((index == CoordinateSystem.PASS) && (LastMove == CoordinateSystem.PASS) && (MoveNbr > 0))
{
GameOver = true;
}
ColorEnclosedRegions = null;
SafetyStatusMap = null;
// set turn
Turn = color;
LastMove = index;
MoveList.Add(new KeyValuePair <Color, int>(color, index));
// save hash
if (LastMove != CoordinateSystem.PASS)
{
if (!ZobrishHashes.ContainsKey(ZobristHash))
{
ZobrishHashes.Add(ZobristHash.Clone(), MoveNbr);
}
}
// increment move number
MoveNbr++;
// Console.WriteLine("# " + MoveNbr + " " + color.ToString() + " " + Coord.ToString(index));
// Dump();
SimpleKoPoint = CoordinateSystem.PASS;
if (!(index == CoordinateSystem.PASS) || (index == CoordinateSystem.RESIGN))
{
// update blocks
ExecutePlay(index, color, allowUndo);
}
//#if DEBUG
// if (!_SelfTest())
// Console.WriteLine("GoBoard::_SelfTest() Failed");
//#endif
return(true);
}
