private void CheckGameOver()
{
Ruler.GameResult result = Ruler.CheckGame(board);
if (result != Ruler.GameResult.NotYet)
{
state = MainState.Over;
this.result = result;
}
}
public static double Evaluate(GameDescriptor descriptor)
{
Unit.OwnerEnum owner = descriptor.Turn;
Ruler.GameResult result = Ruler.CheckGame(descriptor);
if (result != Ruler.GameResult.NotYet)
{
return(EvaluateResult(result, owner));
}
double value = 0;
value += EvalPosition(descriptor, owner) * PosFactor;
value += EvalCard(descriptor, owner) * CardFactor;
value += EvalDanger(descriptor, owner) * DangerFactor;
value += EvalSpecial(descriptor, owner) * SpecialFactor;
return(value);
}
public void NextTurn()
{
if (state == MainState.Wait || state == MainState.AI_Running)
{
Ruler.GameResult result = Ruler.CheckGame(board);
if (result == Ruler.GameResult.NotYet)
{
turn = Unit.Opposite(turn);
state = MainState.Move;
NewTurn();
}
else
{
state = MainState.Over;
this.result = result;
OnGameOver();
}
}
}
double AlphaBeta(GameDescriptor descriptor, int depth, double alpha, double beta)
{
Ruler.GameResult result = Ruler.CheckGame(descriptor);
if (result != Ruler.GameResult.NotYet)
{
return(Evaluator.EvaluateResult(result, descriptor.Turn) - depth);
}
if (depth == 0 || nodeCount >= Max_Node)
{
nodeCount++;
return(Evaluator.Evaluate(descriptor) - depth); // the quicker, the better
}
List <PlayerAction> actions = descriptor.QueryAllActions();
Disturb(actions);
foreach (PlayerAction tryAction in actions)
{
descriptor.DoAction(tryAction);
var tmp = -AlphaBeta(descriptor, depth - 1, -beta, -alpha);
tryAction.UnDo(descriptor);
if (tmp >= beta)
{
return(beta);
}
if (tmp > alpha)
{
alpha = tmp;
if (depth == Max_Depth)
{
action = tryAction;
}
}
}
return(alpha);
}
double AlphaBeta_Slow(GameDescriptor descriptor, int depth, double alpha, double beta)
{
Ruler.GameResult result = Ruler.CheckGame(descriptor);
if (result != Ruler.GameResult.NotYet)
{
return(Evaluator.EvaluateResult(result, descriptor.Turn) - depth);
}
if (depth == 0)
{
nodeCount++;
return(Evaluator.Evaluate(descriptor) - depth);
}
List <PlayerAction> actions = descriptor.QueryAllActions_Slow();
Disturb(actions);
foreach (PlayerAction tryAction in actions)
{
GameDescriptor clone = descriptor.Clone() as GameDescriptor;
clone.DoAction(tryAction);
var tmp = -AlphaBeta_Slow(clone, depth - 1, -beta, -alpha);
if (tmp >= beta)
{
return(beta);
}
if (tmp > alpha)
{
alpha = tmp;
if (depth == Max_Depth)
{
action = tryAction;
}
}
}
return(alpha);
}
public void NextTurn(bool lastTurnIsMe = false)
{
if (lastTurnIsMe)
{
DoAction(PlayerAction.CreateComplete());
}
_DoTurnOver();
if (state == MainState.Wait || state == MainState.AgentRunning || state == MainState.AgentEffectWaiting)
{
Ruler.GameResult result = Ruler.CheckGame(board);
if (result == Ruler.GameResult.NotYet)
{
turn = Unit.Opposite(turn);
state = MainState.Move;
NewTurn(false);
}
else
{
state = MainState.Over;
this.result = result;
OnGameOver();
}
}
}