/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
-#if !defined(TIMEMAN_H_INCLUDED)
+#ifndef TIMEMAN_H_INCLUDED
#define TIMEMAN_H_INCLUDED
-////
-//// Prototypes
-////
+#include <cstdint>
+
+#include "misc.h"
+#include "search.h"
+#include "thread.h"
+#include "types.h"
+
+namespace Stockfish {
-class TimeManager {
-public:
+// The TimeManagement class computes the optimal time to think depending on
+// the maximum available time, the game move number, and other parameters.
+class TimeManagement {
+ public:
+ void init(Search::LimitsType& limits, Color us, int ply);
+ TimePoint optimum() const { return optimumTime; }
+ TimePoint maximum() const { return maximumTime; }
+ TimePoint elapsed() const {
+ return Search::Limits.npmsec ? TimePoint(Threads.nodes_searched()) : now() - startTime;
+ }
- void update(int myTime, int myInc, int movesToGo, int currentPly,
- int* optimumSearchTime, int* maximumSearchTime);
+ int64_t availableNodes; // When in 'nodes as time' mode
+
+ private:
+ TimePoint startTime;
+ TimePoint optimumTime;
+ TimePoint maximumTime;
};
-#endif // !defined(TIMEMAN_H_INCLUDED)
+extern TimeManagement Time;
+
+} // namespace Stockfish
+
+#endif // #ifndef TIMEMAN_H_INCLUDED