public override Func <TGame, int, int> GetEvaluator <TGame>(int evalId)
{
switch (evalId)
{
case 1:
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
return game.CountStonesWeighted(p) - game.CountStonesWeighted(1 - p);
});
case 2:
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
int myMoves = game.MovesFor(p).Count();
int yourMoves = game.MovesFor(1 - p).Count();
if (myMoves < 2 && yourMoves < 2)
{
return game.CountStonesFor(p) - game.CountStonesFor(1 - p);
}
else
{
return (game.CountStonesWeighted(p) + 10 * myMoves) - (game.CountStonesWeighted(1 - p) + 10 * yourMoves);
}
});
default:
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
return game.CountStonesFor(p) - game.CountStonesFor(1 - p);
});
}
}
public override Func <TGame, int, int> GetEvaluator <TGame>(int evalId)
{
switch (evalId)
{
case 1:
// Nur die gewichteten Steine zählen
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
return game.CountStonesWeighted(p) - game.CountStonesWeighted(1 - p);
});
case 2:
// Gewichtete Steine und Anzahl der möglichen Züge werten.
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
var myMoves = game.MovesFor(p);
bool iPass = myMoves.First().Pass;
var yourMoves = game.MovesFor(1 - p);
bool youPass = yourMoves.First().Pass;
if (iPass && youPass)
{
// Wenn jeder nur noch einen Zug (nämlich "Passe") hat,
// ist das Spiel zu Ende und es zählen nur die Steine.
return game.CountStonesFor(p) - game.CountStonesFor(1 - p);
}
else
{
return (game.CountStonesWeighted(p) + MoveWeight * myMoves.Count()) - (game.CountStonesWeighted(1 - p) + MoveWeight * yourMoves.Count());
}
});
default:
// Fallback: Steine zählen
return((g, p) =>
{
CthelloGame game = g as CthelloGame;
return game.CountStonesFor(p) - game.CountStonesFor(1 - p);
});
}
}