/*
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) 2008-2012 Marco Costalba, Joona Kiiski, 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
#include "misc.h"
#include "thread.h"
+#include "tt.h"
#include "ucioption.h"
using std::string;
OptionsMap Options; // Global object
+/// 'On change' actions, triggered by an option's change event
+static void on_threads(UCIOption&) { Threads.read_uci_options(); }
+static void on_hash_size(UCIOption& o) { TT.set_size(o); }
+static void on_clear_hash(UCIOption& o) { TT.clear(); o = false; } // UCI button
+
+
/// Our case insensitive less() function as required by UCI protocol
static bool ci_less(char c1, char c2) { return tolower(c1) < tolower(c2); }
/// OptionsMap c'tor initializes the UCI options to their hard coded default
-/// values and initializes the default value of "Threads" and "Minimum Split Depth"
+/// values and initializes the default value of "Threads" and "Min Split Depth"
/// parameters according to the number of CPU cores detected.
OptionsMap::OptionsMap() {
o["Space"] = UCIOption(100, 0, 200);
o["Aggressiveness"] = UCIOption(100, 0, 200);
o["Cowardice"] = UCIOption(100, 0, 200);
- o["Min Split Depth"] = UCIOption(msd, 4, 7);
- o["Max Threads per Split Point"] = UCIOption(5, 4, 8);
+ o["Min Split Depth"] = UCIOption(msd, 4, 7, on_threads);
+ o["Max Threads per Split Point"] = UCIOption(5, 4, 8, on_threads);
o["Threads"] = UCIOption(cpus, 1, MAX_THREADS);
- o["Use Sleeping Threads"] = UCIOption(true);
- o["Hash"] = UCIOption(32, 4, 8192);
- o["Clear Hash"] = UCIOption(false, "button");
+ o["Use Sleeping Threads"] = UCIOption(true, on_threads);
+ o["Hash"] = UCIOption(32, 4, 8192, on_hash_size);
+ o["Clear Hash"] = UCIOption(false, on_clear_hash);
o["Ponder"] = UCIOption(true);
o["OwnBook"] = UCIOption(true);
o["MultiPV"] = UCIOption(1, 1, 500);
o["Emergency Base Time"] = UCIOption(200, 0, 30000);
o["Emergency Move Time"] = UCIOption(70, 0, 5000);
o["Minimum Thinking Time"] = UCIOption(20, 0, 5000);
+ o["Slow Mover"] = UCIOption(100, 10, 1000);
o["UCI_Chess960"] = UCIOption(false);
o["UCI_AnalyseMode"] = UCIOption(false);
}
/// order (the idx field) and in the format defined by the UCI protocol.
std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
- for (size_t i = 0; i <= om.size(); i++)
+ for (size_t idx = 0; idx < om.size(); idx++)
for (OptionsMap::const_iterator it = om.begin(); it != om.end(); ++it)
- if (it->second.idx == i)
+ if (it->second.idx == idx)
{
const UCIOption& o = it->second;
os << "\noption name " << it->first << " type " << o.type;
/// UCIOption class c'tors
-UCIOption::UCIOption(const char* v) : type("string"), min(0), max(0), idx(Options.size())
+UCIOption::UCIOption(const char* v, Fn* f) : type("string"), min(0), max(0), idx(Options.size()), on_change_action(f)
{ defaultValue = currentValue = v; }
-UCIOption::UCIOption(bool v, string t) : type(t), min(0), max(0), idx(Options.size())
+UCIOption::UCIOption(bool v, Fn* f) : type("check"), min(0), max(0), idx(Options.size()), on_change_action(f)
{ defaultValue = currentValue = (v ? "true" : "false"); }
-UCIOption::UCIOption(int v, int minv, int maxv) : type("spin"), min(minv), max(maxv), idx(Options.size())
+UCIOption::UCIOption(int v, int minv, int maxv, Fn* f) : type("spin"), min(minv), max(maxv), idx(Options.size()), on_change_action(f)
{ std::ostringstream ss; ss << v; defaultValue = currentValue = ss.str(); }
assert(!type.empty());
if ( !v.empty()
- && (type == "check" || type == "button") == (v == "true" || v == "false")
+ && (type == "check") == (v == "true" || v == "false")
&& (type != "spin" || (atoi(v.c_str()) >= min && atoi(v.c_str()) <= max)))
+ {
currentValue = v;
+
+ if (on_change_action)
+ (*on_change_action)(*this);
+ }
}