Use Color-From-To history stats to help sort moves

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index ee032bf37835eebbe8a836de9566de9282e1383b..8181163ec1b7516dec0c184f193de130920ea3f3 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -2,6 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -35,7 +36,7 @@
 #include "thread_win32.h"
 
 
-/// Thread struct keeps together all the thread related stuff. We also use
+/// Thread struct keeps together all the thread-related stuff. We also use
 /// per-thread pawn and material hash tables so that once we get a pointer to an
 /// entry its life time is unlimited and we don't have to care about someone
 /// changing the entry under our feet.
@@ -63,10 +64,11 @@ public:
   int maxPly, callsCnt;
 
   Position rootPos;
-  Search::RootMoveVector rootMoves;
+  Search::RootMoves rootMoves;
   Depth rootDepth;
   HistoryStats history;
-  MovesStats counterMoves;
+  MoveStats counterMoves;
+  FromToStats fromTo;
   Depth completedDepth;
   std::atomic_bool resetCalls;
 };
@@ -76,10 +78,14 @@ public:
 
 struct MainThread : public Thread {
   virtual void search();
+
+  bool easyMovePlayed, failedLow;
+  double bestMoveChanges;
+  Value previousScore;
 };
 
 
-/// ThreadPool struct handles all the threads related stuff like init, starting,
+/// ThreadPool struct handles all the threads-related stuff like init, starting,
 /// parking and, most importantly, launching a thread. All the access to threads
 /// data is done through this class.
 
@@ -89,9 +95,12 @@ struct ThreadPool : public std::vector<Thread*> {
   void exit(); // be initialized and valid during the whole thread lifetime.
 
   MainThread* main() { return static_cast<MainThread*>(at(0)); }
-  void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&);
+  void start_thinking(Position&, StateListPtr&, const Search::LimitsType&);
   void read_uci_options();
   int64_t nodes_searched();
+
+private:
+  StateListPtr setupStates;
 };
 
 extern ThreadPool Threads;