/* This file is a part of othello-ai-guile-c
*
* Copyright (C) 2021 Robby Zambito
*
* othello-ai-guile-c 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.
*
* othello-ai-guile-c 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 .
*/
#define _GNU_SOURCE
#include
#include
#include
#include
#include
#include
#include
#include "othello.h"
#include "othello_board.h"
#include "othello_move.h"
#define STREQ(a, b) (strcmp(a, b) == 0)
static enum player_color current_player;
#define other_player (current_player == WHITE ? BLACK : WHITE)
enum player_color get_current_player(void) { return current_player; }
SCM scm_get_current_player() {
return scm_player_from_c_player(current_player);
}
SCM scm_get_other_player() { return scm_player_from_c_player(other_player); }
SCM scm_player_from_c_player(enum player_color player) {
switch (player) {
case WHITE:
return scm_from_utf8_symbol("white");
case BLACK:
return scm_from_utf8_symbol("black");
default:
return scm_from_utf8_symbol("empty");
}
}
enum player_color scm_player_to_c_player(SCM player) {
if (scm_is_true(scm_eq_p(player, scm_from_utf8_symbol("white")))) {
return WHITE;
} else if (scm_is_true(scm_eq_p(player, scm_from_utf8_symbol("black")))) {
return BLACK;
} else {
return EMPTY;
}
}
static struct move current_player_move(enum player_color current_player,
char *player_one_strategy_path,
char *player_two_strategy_path) {
struct move move = {-1, -1};
if ((current_player == WHITE && player_one_strategy_path == NULL) ||
(current_player == BLACK && player_two_strategy_path == NULL)) {
move = prompt_get_move(current_player);
} else if (current_player == WHITE) {
move = get_scm_move(player_one_strategy_path);
} else if (current_player == BLACK) {
move = get_scm_move(player_two_strategy_path);
}
return move;
}
enum player_color game_loop(char *player_one_strategy_path,
char *player_two_strategy_path, int *white_score,
int *black_score) {
initialize_board();
if (player_one_strategy_path == NULL || player_two_strategy_path == NULL) {
using_history();
}
current_player = WHITE;
while (has_valid_moves(get_board(), current_player)) {
struct move move = current_player_move(
current_player, player_one_strategy_path, player_two_strategy_path);
if (apply_move(get_board(), current_player, move)) {
current_player = other_player;
}
}
if (player_one_strategy_path == NULL || player_two_strategy_path == NULL) {
rl_clear_history();
}
return get_winner(get_board(), current_player, white_score, black_score);
}
#undef other_player