-#include "ucioption.h"
-
-
-////
-//// Variables
-////
-
-bool Chess960 = false;
-
-
-////
-//// Local definitions
-////
-
-namespace {
-
- ///
- /// Types
- ///
-
- enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
-
- typedef std::vector<std::string> ComboValues;
-
- struct Option {
-
- std::string name, defaultValue, currentValue;
- OptionType type;
- int minValue, maxValue;
- ComboValues comboValues;
-
- Option(const char* name, const char* defaultValue, OptionType = STRING);
- Option(const char* name, bool defaultValue, OptionType = CHECK);
- Option(const char* name, int defaultValue, int minValue, int maxValue);
- };
-
- typedef std::vector<Option> Options;
-
- ///
- /// Constants
- ///
-
- // load_defaults populates the options vector with the hard
- // coded names and default values.
-
- void load_defaults(Options& o) {
-
- o.push_back(Option("Use Search Log", false));
- o.push_back(Option("Search Log Filename", "SearchLog.txt"));
- o.push_back(Option("Book File", "book.bin"));
- o.push_back(Option("Mobility (Middle Game)", 100, 0, 200));
- o.push_back(Option("Mobility (Endgame)", 100, 0, 200));
- o.push_back(Option("Pawn Structure (Middle Game)", 100, 0, 200));
- o.push_back(Option("Pawn Structure (Endgame)", 100, 0, 200));
- o.push_back(Option("Passed Pawns (Middle Game)", 100, 0, 200));
- o.push_back(Option("Passed Pawns (Endgame)", 100, 0, 200));
- o.push_back(Option("Space", 100, 0, 200));
- o.push_back(Option("Aggressiveness", 100, 0, 200));
- o.push_back(Option("Cowardice", 100, 0, 200));
- o.push_back(Option("King Safety Curve", "Quadratic", COMBO));
-
- o.back().comboValues.push_back("Quadratic");
- o.back().comboValues.push_back("Linear"); /*, "From File"*/
-
- o.push_back(Option("King Safety Coefficient", 40, 1, 100));
- o.push_back(Option("King Safety X Intercept", 0, 0, 20));
- o.push_back(Option("King Safety Max Slope", 30, 10, 100));
- o.push_back(Option("King Safety Max Value", 500, 100, 1000));
- o.push_back(Option("Queen Contact Check Bonus", 3, 0, 8));
- o.push_back(Option("Queen Check Bonus", 2, 0, 4));
- o.push_back(Option("Rook Check Bonus", 1, 0, 4));
- o.push_back(Option("Bishop Check Bonus", 1, 0, 4));
- o.push_back(Option("Knight Check Bonus", 1, 0, 4));
- o.push_back(Option("Discovered Check Bonus", 3, 0, 8));
- o.push_back(Option("Mate Threat Bonus", 3, 0, 8));
- o.push_back(Option("Check Extension (PV nodes)", 2, 0, 2));
- o.push_back(Option("Check Extension (non-PV nodes)", 1, 0, 2));
- o.push_back(Option("Single Reply Extension (PV nodes)", 2, 0, 2));
- o.push_back(Option("Single Reply Extension (non-PV nodes)", 2, 0, 2));
- o.push_back(Option("Mate Threat Extension (PV nodes)", 0, 0, 2));
- o.push_back(Option("Mate Threat Extension (non-PV nodes)", 0, 0, 2));
- o.push_back(Option("Pawn Push to 7th Extension (PV nodes)", 1, 0, 2));
- o.push_back(Option("Pawn Push to 7th Extension (non-PV nodes)", 1, 0, 2));
- o.push_back(Option("Passed Pawn Extension (PV nodes)", 1, 0, 2));
- o.push_back(Option("Passed Pawn Extension (non-PV nodes)", 0, 0, 2));
- o.push_back(Option("Pawn Endgame Extension (PV nodes)", 2, 0, 2));
- o.push_back(Option("Pawn Endgame Extension (non-PV nodes)", 2, 0, 2));
- o.push_back(Option("Full Depth Moves (PV nodes)", 14, 1, 100));
- o.push_back(Option("Full Depth Moves (non-PV nodes)", 3, 1, 100));
- o.push_back(Option("Threat Depth", 5, 0, 100));
- o.push_back(Option("Selective Plies", 7, 0, 10));
- o.push_back(Option("Null driven IID", false));
- o.push_back(Option("Futility Pruning (Main Search)", true));
- o.push_back(Option("Futility Pruning (Quiescence Search)", true));
- o.push_back(Option("Futility Margin (Quiescence Search)", 50, 0, 1000));
- o.push_back(Option("Futility Margin (Main Serach)", 100, 0, 1000));
- o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
- o.push_back(Option("Razoring Margin", 300, 150, 600));
- o.push_back(Option("LSN filtering", true));
- o.push_back(Option("LSN Time Margin (sec)", 4, 1, 10));
- o.push_back(Option("LSN Value Margin", 200, 100, 600));
- o.push_back(Option("Randomness", 0, 0, 10));
- o.push_back(Option("Minimum Split Depth", 4, 4, 7));
- o.push_back(Option("Maximum Number of Threads per Split Point", 5, 4, 8));
- o.push_back(Option("Threads", 1, 1, 8));
- o.push_back(Option("Hash", 32, 4, 4096));
- o.push_back(Option("Clear Hash", false, BUTTON));
- o.push_back(Option("Ponder", true));
- o.push_back(Option("OwnBook", true));
- o.push_back(Option("MultiPV", 1, 1, 500));
- o.push_back(Option("UCI_ShowCurrLine", false));
- o.push_back(Option("UCI_Chess960", false));
- }
-
- ///
- /// Variables
- ///
-
- Options options;
-
- // Local functions
- Options::iterator option_with_name(const std::string& optionName);
-
- // stringify converts a value of type T to a std::string
- template<typename T>
- std::string stringify(const T& v) {
-
- std::ostringstream ss;
- ss << v;
- return ss.str();
- }
-
- // We want conversion from a bool value to be "true" or "false",
- // not "1" or "0", so add a specialization for bool type.
- template<>
- std::string stringify<bool>(const bool& v) {
-
- return v ? "true" : "false";
- }
-
- // get_option_value implements the various get_option_value_<type>
- // functions defined later, because only the option value
- // type changes a template seems a proper solution.
-
- template<typename T>
- T get_option_value(const std::string& optionName) {
-
- T ret = T();
- Options::iterator it = option_with_name(optionName);
-
- if (it != options.end())
- {
- std::istringstream ss(it->currentValue);
- ss >> ret;
- }
- return ret;
- }
-
- // Unfortunatly we need a specialization to convert "false" and "true"
- // to proper bool values. The culprit is that we use a non standard way
- // to store a bool value in a string, in particular we use "false" and
- // "true" instead of "0" and "1" due to how UCI protocol works.
-
- template<>
- bool get_option_value<bool>(const std::string& optionName) {
-
- Options::iterator it = option_with_name(optionName);
-
- return it != options.end() && it->currentValue == "true";
- }
-}
-
-////
-//// Functions
-////
-
-/// init_uci_options() initializes the UCI options. Currently, the only
-/// thing this function does is to initialize the default value of the
-/// "Threads" parameter to the number of available CPU cores.
-
-void init_uci_options() {