X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.h;h=6c56d506b3f1ce04e6080330f90338c63aae268c;hp=bf489b7f9fbc662771ceceeabad53105f28050ff;hb=HEAD;hpb=ff41b8df764b352b450af572fa98097343b3f808

diff --git a/src/timeman.h b/src/timeman.h
index bf489b7f..6c56d506 100644
--- a/src/timeman.h
+++ b/src/timeman.h
@@ -1,7 +1,6 @@
 /*
   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
@@ -17,23 +16,39 @@
   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
 
-struct SearchLimits;
+#include <cstdint>
 
-class TimeManager {
-public:
+#include "misc.h"
+#include "search.h"
+#include "thread.h"
+#include "types.h"
 
-  void init(const SearchLimits& limits, int currentPly);
-  void pv_instability(int curChanges, int prevChanges);
-  int available_time() const { return optimumSearchTime + unstablePVExtraTime; }
-  int maximum_time() const { return maximumSearchTime; }
+namespace Stockfish {
 
-private:
-  int optimumSearchTime;
-  int maximumSearchTime;
-  int unstablePVExtraTime;
+// 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;
+    }
+
+    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