main.cpp

#include <iostream>
#include <string>
#include <stdio.h>
#include <time.h>
#include <chrono>
#include <stdlib.h>
#include <cilk/cilk_api.h>
#include "BoardState.h"

#include "Pawn.h"
#include "Knight.h"
#include "Bishop.h"
#include "Rook.h"
#include "Queen.h"
#include "King.h"

using namespace std;

void print_board(Piece **board) {
    for (int i = 0; i < BOARD_DIM; i++) {
        cout << i << " ";
        for (int j = 0; j < BOARD_DIM; j++) {
            if (board[INDEX(i, j)] != NULL) {
                Piece *piece = board[INDEX(i, j)];
                cout << "|" << piece->piece;
            }
            else cout << "| ";
        }
        cout << "|\n";
    }
    cout << "   0 1 2 3 4 5 6 7\n";
}

int main(int argc, const char* argv[]) {
    BoardState *state;
    if(argc != 5 && argc != 2) {
        cout << "Usage ./chess -d <depth> -t <cilk workers>\n";
	cout << "Interactive mode: ./chess -i\n";
        return 1;
    }

    if (argc == 5) {
	state = new BoardState(true);
	using namespace std::chrono;
	typedef std::chrono::high_resolution_clock Clock;
	typedef std::chrono::duration<double> dsec;

	int workers = atoi(argv[4]);
	if (0!= __cilkrts_set_param("nworkers",argv[4])) {
            printf("Failed to set worker count\n");
            return 1;
	}
	int depth = atoi(argv[2]);
	printf("depth : %d\n", depth);
	printf("workers : %d\n\n", workers);

	auto compute_start = Clock::now();
	// cout << "minimax " << state->minimax(depth) << "\n";
	cout << "negamax " << state->negamax(depth) << "\n";
	auto compute_time = duration_cast<dsec>(Clock::now() - compute_start).count();
	printf("Computation Time: %lf.\n", compute_time);
    }

    else {
	state = new BoardState(false);
	print_board(state->board);
	cout << "\n\n\n";

        while (true) {
            int r1, c1, r2, c2;
            char temp;

            cout << "move> ";
            cin >> r1 >> c1 >> r2 >> c2;

            cout << "\n\n\n";

            bool valid = state->move_piece(r1, c1, r2, c2);

            print_board(state->board);
            cout << "\n\n\n";

            // other player makes a move
            if (valid) {
            	int depth = 4;
	    	BoardState **stuff = new BoardState*[depth];
            	state->mm(depth, INT_MIN, INT_MAX, stuff);

            	BoardState *freed = state;
            	state = stuff[depth - 1];
            	delete freed;
            	delete stuff;

            	print_board(state->board);
            	cout << "\n\n\n";
	    }
        }
    }

    delete state;

    return 0;
}