Chess::Chess(char FEN[])
{
init_bitboard();
memset(moves, 0, STORE_SIZE);
clearPosition(&pos);
loadPositionFromFEN(FEN, &pos);
}
void
global_setup( int use_random, int hash_bits ) {
FILE *log_file;
time_t timer;
/* Clear the log file. No error handling done. */
#if defined(ANDROID)
sprintf(log_file_path, "%s/%s", android_files_dir, LOG_FILE_NAME);
#elif defined(__linux__)
strcpy( log_file_path, LOG_FILE_NAME );
#else
char directory_buffer[MAX_PATH_LENGTH];
getcwd( directory_buffer, MAX_PATH_LENGTH );
if ( directory_buffer[strlen( directory_buffer ) - 1] == '\\' )
sprintf( log_file_path, "%s%s", directory_buffer, LOG_FILE_NAME );
else
sprintf( log_file_path, "%s\\%s", directory_buffer, LOG_FILE_NAME );
#endif
if ( use_log_file ) {
log_file = fopen( log_file_path, "w" );
if ( log_file != NULL ) {
time( &timer );
fprintf( log_file, "%s %s\n", LOG_TEXT, ctime( &timer ) );
fprintf( log_file, "%s %s %s\n", ENGINE_TEXT, __DATE__, __TIME__ );
fclose( log_file );
}
}
if ( use_random ) {
time( &timer );
my_srandom( timer );
}
else
my_srandom( 1 );
init_hash( hash_bits );
init_bitboard();
init_moves();
init_patterns();
init_coeffs();
init_timer();
init_probcut();
init_stable();
setup_search();
}
int
main(void)
{
struct ai_state ai_state;
struct bitboard board;
enum color cur_player;
struct move move;
enum result result;
int gameover = 1;
static char buf[4096];
char *p;
seed_ai(&ai_state);
while (1) {
if (gameover) {
init_bitboard(&board);
cur_player = WHITE;
gameover = 0;
}
print_bitboard(&board, cur_player);
printf("%s>%s ", cur_player == WHITE ? "\033[1;36m" : "\033[0;35m",
"\033[0m");
fflush(stdout);
fread_until((unsigned char *)buf, '\n', sizeof(buf), stdin);
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0';
else
continue;
if (strcmp(buf, "quit") == 0)
break;
if (parse_san(&board, cur_player, buf, &move) != 0 ||
(result = make_move(&board, &move)) == ERROR) {
printf("INVALID MOVE!\n");
continue;
}
#ifdef PATCHED_1
printf("\n%s\n%x\n", buf, calculate_csum(result));
#else
printf("\n");
printf(buf);
printf("\n%x\n", calculate_csum(result));
#endif
switch (result) {
case CHECK:
printf("CHECK!\n");
break;
case CHECKMATE:
printf("CHECKMATE!\n");
gameover = 1;
break;
case STALEMATE:
printf("STALEMATE!\n");
gameover = 1;
break;
case CONTINUE:
default:
break;
}
cur_player = (cur_player == WHITE ? BLACK : WHITE);
}
return 0;
}
