move_t *fullalg_to_move(board_t *board, char *move_s)
{
move_t *move;
if ((strlen(move_s) < 4) || (strlen(move_s) > 5))
return NULL;
if ((move_s[0] < 'a') || (move_s[0] > 'h'))
return NULL;
if ((move_s[1] < '1') || (move_s[1] > '8'))
return NULL;
if ((move_s[2] < 'a') || (move_s[2] > 'h'))
return NULL;
if ((move_s[3] < '1') || (move_s[3] > '8'))
return NULL;
if ((strlen(move_s) == 5) && (move_s[4] != 'n')
&& (move_s[4] != 'b') && (move_s[4] != 'r')
&& (move_s[4] != 'q'))
return NULL;
move = (move_t *) malloc(sizeof(move_t));
move->source = move_s[0] - 'a' + (move_s[1] - '1') * 8;
move->destination = move_s[2] - 'a' + (move_s[3] - '1') * 8;
if (strlen(move_s) == 5)
{
switch (move_s[4])
{
case 'n':
move->promotion_piece = KNIGHT;
break;
case 'b':
move->promotion_piece = BISHOP;
break;
case 'r':
move->promotion_piece = ROOK;
break;
case 'q':
move->promotion_piece = QUEEN;
}
move->promotion_piece += board->turn;
}
else
move->promotion_piece = NONE;
if (!move_is_valid(board, move))
{
free(move);
return NULL;
}
move_set_attr(board, move);
return move;
}
static int do_move(move_t *move, int ui_update) {
char *move_s, *move_f, *move_san;
board_t new_board;
if (!move_is_valid(history->last->board, move)) {
DBG_WARN("Move is illegal");
return 0;
}
move_set_attr(history->last->board, move);
new_board = *history->last->board;
move_s = move_to_fullalg(&new_board, move);
move_list_play(&fullalg_list, move_s);
move_san = move_to_san(&new_board, move);
move_f = san_to_fan(&new_board, move_san);
DBG_LOG("Processing move %s (%s)", move_s, move_san);
move_list_play(&san_list, move_san);
move_list_play(&fan_list, move_f);
free(move_san);
free(move_f);
free(move_s);
make_move(&new_board, move);
if (move->state == MOVE_CHECK)
new_board.state = BOARD_CHECK;
else if (move->state == MOVE_CHECKMATE)
new_board.state = BOARD_CHECKMATE;
else
new_board.state = BOARD_NORMAL;
history_play(history, move, &new_board);
if (ui_update)
ui->update(history->view->board, move);
if (new_board.state == MOVE_CHECKMATE) {
history->result = malloc(sizeof(result_t));
if (new_board.turn == WHITE) {
history->result->code = RESULT_BLACK_WINS;
history->result->reason = strdup("Black mates");
} else {
history->result->code = RESULT_WHITE_WINS;
history->result->reason = strdup("White mates");
}
if (ui_update)
ui->show_result(history->result);
} else if (new_board.state == MOVE_STALEMATE) {
history->result = malloc(sizeof(result_t));
history->result->code = RESULT_DRAW;
history->result->reason = strdup("Stalemate");
if (ui_update)
ui->show_result(history->result);
}
return 1;
}
