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#include <cassert>
#include <chrono>
#include <cstdint>
#include <cstdlib>
#include <iostream>
#include <sstream>
#include <string>
#include "board/board.hpp"
#include "board/fen.hpp"
#include "misc.hpp"
#include "moves.hpp"
#include "uci.hpp"
#include "zobrist.hpp"
static void perft(int argc, char *argv[]) {
if (argc < 4 || std::string(argv[1]) != "perft") {
std::cout << "Usage: ./mono\n";
std::cout << " ./mono perft <non-negative depth> <fen>\n";
exit(1);
}
uint32_t depth = 0;
try {
depth = static_cast<uint32_t>(std::stoi(argv[2]));
} catch (const std::exception &) {
std::cout << "info string usage: ./mono perft <non-negative depth>\n";
exit(1);
}
std::string fen = argv[3];
auto start = std::chrono::steady_clock::now();
Game game = initBoard(fen, nullptr);
uint64_t count = 0;
#ifdef PERFT_DIVIDE
count = MoveGenTestDivide(depth, &game);
#else
count = MoveGenTest(depth, &game);
#endif
auto end = std::chrono::steady_clock::now();
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
.count();
std::ostringstream oss;
oss << "{\"ms\": " << ms << ", \"result\": " << count << "}";
std::cout << oss.str() << "\n";
}
static void zobristCmd(int argc, char *argv[]) {
if (argc < 3 || std::string(argv[1]) != "zobrist") {
std::cout << "Usage: ./mono zobrist <fen> [moves...]\n";
exit(1);
}
std::string fen = argv[2];
Game game = initBoard(fen, nullptr);
for (int i = 3; i < argc; ++i) {
uint16_t move = UciToMove(argv[i]);
MakeMove(move, &game);
}
auto start = std::chrono::steady_clock::now();
uint64_t hash = GenerateZobristKey(&game);
auto end = std::chrono::steady_clock::now();
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(end - start)
.count();
std::ostringstream oss;
oss << "{\"ms\": " << ms << ", \"hash\": " << hash << "}";
std::cout << oss.str() << "\n";
}
int main(int argc, char *argv[]) {
InitZobrist();
initMagicBitboards();
if (argc >= 2 && std::string(argv[1]) == "perft") {
perft(argc, argv);
return 0;
}
if (argc >= 2 && std::string(argv[1]) == "zobrist") {
zobristCmd(argc, argv);
return 0;
}
std::cerr << engine_info();
Uci();
return 0;
}
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