162 lines
5.0 KiB
C++
162 lines
5.0 KiB
C++
/*
|
|
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
|
|
|
|
Stockfish is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Stockfish is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
#include <sstream>
|
|
|
|
#include "misc.h"
|
|
#include "thread.h"
|
|
#include "tt.h"
|
|
#include "uci.h"
|
|
#include "syzygy/tbprobe.h"
|
|
|
|
using std::string;
|
|
|
|
UCI::OptionsMap Options; // Global object
|
|
|
|
namespace UCI {
|
|
|
|
/// 'On change' actions, triggered by an option's value change
|
|
void on_clear_hash(const Option&) { TT.clear(); }
|
|
void on_hash_size(const Option& o) { TT.resize(o); }
|
|
void on_logger(const Option& o) { start_logger(o); }
|
|
void on_threads(const Option&) { Threads.read_uci_options(); }
|
|
void on_tb_path(const Option& o) { Tablebases::init(o); }
|
|
|
|
|
|
/// Our case insensitive less() function as required by UCI protocol
|
|
bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
|
|
|
|
return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(),
|
|
[](char c1, char c2) { return tolower(c1) < tolower(c2); });
|
|
}
|
|
|
|
|
|
/// init() initializes the UCI options to their hard-coded default values
|
|
|
|
void init(OptionsMap& o) {
|
|
|
|
const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
|
|
|
|
o["Write Debug Log"] << Option(false, on_logger);
|
|
o["Contempt"] << Option(0, -100, 100);
|
|
o["Min Split Depth"] << Option(0, 0, 12, on_threads);
|
|
o["Threads"] << Option(1, 1, MAX_THREADS, on_threads);
|
|
o["Hash"] << Option(16, 1, MaxHashMB, on_hash_size);
|
|
o["Clear Hash"] << Option(on_clear_hash);
|
|
o["Ponder"] << Option(true);
|
|
o["MultiPV"] << Option(1, 1, 500);
|
|
o["Skill Level"] << Option(20, 0, 20);
|
|
o["Move Overhead"] << Option(30, 0, 5000);
|
|
o["Minimum Thinking Time"] << Option(20, 0, 5000);
|
|
o["Slow Mover"] << Option(80, 10, 1000);
|
|
o["UCI_Chess960"] << Option(false);
|
|
o["SyzygyPath"] << Option("<empty>", on_tb_path);
|
|
o["SyzygyProbeDepth"] << Option(1, 1, 100);
|
|
o["Syzygy50MoveRule"] << Option(true);
|
|
o["SyzygyProbeLimit"] << Option(6, 0, 6);
|
|
}
|
|
|
|
|
|
/// operator<<() is used to print all the options default values in chronological
|
|
/// insertion 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 idx = 0; idx < om.size(); ++idx)
|
|
for (const auto& it : om)
|
|
if (it.second.idx == idx)
|
|
{
|
|
const Option& o = it.second;
|
|
os << "\noption name " << it.first << " type " << o.type;
|
|
|
|
if (o.type != "button")
|
|
os << " default " << o.defaultValue;
|
|
|
|
if (o.type == "spin")
|
|
os << " min " << o.min << " max " << o.max;
|
|
|
|
break;
|
|
}
|
|
|
|
return os;
|
|
}
|
|
|
|
|
|
/// Option class constructors and conversion operators
|
|
|
|
Option::Option(const char* v, OnChange f) : type("string"), min(0), max(0), on_change(f)
|
|
{ defaultValue = currentValue = v; }
|
|
|
|
Option::Option(bool v, OnChange f) : type("check"), min(0), max(0), on_change(f)
|
|
{ defaultValue = currentValue = (v ? "true" : "false"); }
|
|
|
|
Option::Option(OnChange f) : type("button"), min(0), max(0), on_change(f)
|
|
{}
|
|
|
|
Option::Option(int v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), on_change(f)
|
|
{ defaultValue = currentValue = std::to_string(v); }
|
|
|
|
Option::operator int() const {
|
|
assert(type == "check" || type == "spin");
|
|
return (type == "spin" ? stoi(currentValue) : currentValue == "true");
|
|
}
|
|
|
|
Option::operator std::string() const {
|
|
assert(type == "string");
|
|
return currentValue;
|
|
}
|
|
|
|
|
|
/// operator<<() inits options and assigns idx in the correct printing order
|
|
|
|
void Option::operator<<(const Option& o) {
|
|
|
|
static size_t insert_order = 0;
|
|
|
|
*this = o;
|
|
idx = insert_order++;
|
|
}
|
|
|
|
|
|
/// operator=() updates currentValue and triggers on_change() action. It's up to
|
|
/// the GUI to check for option's limits, but we could receive the new value from
|
|
/// the user by console window, so let's check the bounds anyway.
|
|
|
|
Option& Option::operator=(const string& v) {
|
|
|
|
assert(!type.empty());
|
|
|
|
if ( (type != "button" && v.empty())
|
|
|| (type == "check" && v != "true" && v != "false")
|
|
|| (type == "spin" && (stoi(v) < min || stoi(v) > max)))
|
|
return *this;
|
|
|
|
if (type != "button")
|
|
currentValue = v;
|
|
|
|
if (on_change)
|
|
on_change(*this);
|
|
|
|
return *this;
|
|
}
|
|
|
|
} // namespace UCI
|