main.cpp

#include "Board.h"
#include "uci.h"
#include <string>
#include <cstring>
#include <chrono>
using namespace std;


int main(int argc, char* argv[]) {
    if(argc > 1) {
        Board b;
        b.setupGameFromFEN("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
        for(int i = 0; i < argc; i++) {
            if(strcmp(argv[i], "--perft") == 0) {
                if(i == argc-1) {
                    cout << "--perft expects a numbers.\n";
                    return 12;
                }
                auto t1 = chrono::high_resolution_clock::now();
                int maxDepth = atoi(argv[i+1]);
                for(int depth = 1; depth <= maxDepth; depth++) {
                    cout << b.perft2(depth, true) << "\n";
                }
                auto t2 = chrono::high_resolution_clock::now();
                cout << "Time taken: ";
                cout << chrono::duration_cast<chrono::milliseconds>(t2-t1).count() << "\n";
            } else if(strcmp(argv[i], "--play") == 0) {
                string move;
                while(true) {
                    b.printGame();
                    cout << "Enter move: ";
                    cin >> move;
                    if(!b.play(move)) {
                        cout << "Invalid Move\n";
                    }
                }
            } 
        }
    } else {
        UCI uci;
        uci.uciLoop();
    }
    return 0;
}