public PatternMap FindPatterns(GoBoard goBoard, Color playerToMove)
{
PatternMap lPatternMap = new PatternMap(goBoard, playerToMove);
if (DFAMatrix == null)
{
return(lPatternMap);
}
for (int lOrigin = 0; lOrigin < goBoard.Coord.BoardArea; lOrigin++)
{
if (goBoard.GetSafetyStatus(lOrigin).IsUndecided)
{
if (goBoard.IsLegal(lOrigin, playerToMove))
{
Coordinate lStart = new Coordinate(goBoard.Coord.GetColumn(lOrigin), goBoard.Coord.GetRow(lOrigin));
int lState = 1;
Coordinate lSpiral = new Coordinate(0, 0);
while (true)
{
Coordinate lAt = lStart + lSpiral;
lSpiral.SpiralNext();
char c = '#';
if (lAt.IsOnBoard(goBoard.BoardSize))
{
c = goBoard.GetColor(goBoard.Coord.At(lAt.X, lAt.Y)).ToChar();
if (playerToMove.IsBlack)
{
// patterns are stored in white moves next
// so flip colors when is black's turn
if (c == 'O')
{
c = 'X';
}
else if (c == 'X')
{
c = 'O';
}
}
}
lState = DFAMatrix.GetPatterns(lState, c, lPatternMap, lStart, lOrigin);
if (lState == 0)
{
break;
}
}
}
}
}
return(lPatternMap);
}
public static string ToVariableDFA(Pattern pattern, int transform)
{
StringBuilder lDFA = new StringBuilder(200);
Coordinate lSpiral = new Coordinate(0, 0);
int lArea = pattern.Width * pattern.Height;
while (lArea > 0)
{
Coordinate p = pattern.Origin + lSpiral.Transform(transform);
lSpiral.SpiralNext();
lDFA.Append(pattern.GetVariable(p));
if (pattern.IsInPattern(p))
{
lArea--;
}
}
return(lDFA.ToString().TrimEnd());
}
public PatternMap FindPatterns(GoBoard goBoard, Color playerToMove, List<int> legalMoves)
{
PatternMap lPatternMap = new PatternMap(goBoard, playerToMove);
if (DFAMatrix == null)
return lPatternMap;
foreach (int lOrigin in legalMoves)
{
int lState = 1;
Coordinate lStart = new Coordinate(goBoard.Coord.GetColumn(lOrigin), goBoard.Coord.GetRow(lOrigin));
Coordinate lSpiral = new Coordinate(0, 0);
while (true)
{
Coordinate lAt = lStart + lSpiral;
lSpiral.SpiralNext();
char c = '#';
if (lAt.IsOnBoard(goBoard.BoardSize))
{
c = goBoard.GetColor(goBoard.Coord.At(lAt.X, lAt.Y)).ToChar();
if (playerToMove.IsBlack)
{
// patterns are stored in white moves next
// so flip colors when is black's turn
if (c == 'O') c = 'X'; else if (c == 'X') c = 'O';
}
}
lState = DFAMatrix.GetPatterns(lState, c, lPatternMap, lStart, lOrigin);
if (lState == 0)
break;
}
}
return lPatternMap;
}
public static string ToVariableDFA(Pattern pattern, int transform)
{
StringBuilder lDFA = new StringBuilder(200);
Coordinate lSpiral = new Coordinate(0, 0);
int lArea = pattern.Width * pattern.Height;
while (lArea > 0)
{
Coordinate p = pattern.Origin + lSpiral.Transform(transform);
lSpiral.SpiralNext();
lDFA.Append(pattern.GetVariable(p));
if (pattern.IsInPattern(p))
lArea--;
}
return lDFA.ToString().TrimEnd();
}