Method loadFileDir

MicropolisCore/src/MicropolisEngine/src/fileio.cpp:203–247

* Load a city file from a given filename and (optionally) directory. * @param filename Name of the file to load. * @param dir If not \c NULL, name of the directory containing the file. * @return Load was succesfull. */

 * @return Load was succesfull.
 */
bool Micropolis::loadFileDir(const char *filename, const char *dir)
{
    char *path = NULL;
    FILE *f;
    Quad size;

    // If needed, construct a path to the file.
    if (dir != NULL) {
        path = (char *)malloc(strlen(dir) + 1 + strlen(filename) + 1);
        sprintf(path, "%s/%s", dir, filename);
        filename = path;
    }

    // Open the file.
    f = fopen(filename, "rb");

    // Before checking whether open() succeeded, first drop the path.
    if (path != NULL) {
        free(path);
    }

    // open() failed; report failure.
    if (f == NULL) {
        return false;
    }

    fseek(f, 0L, SEEK_END);
    size = ftell(f);
    fseek(f, 0L, SEEK_SET);

    bool result =
      (size == 27120) &&
      load_short(resHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(comHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(indHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(crimeHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(pollutionHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(moneyHist, HISTORY_LENGTH / sizeof(short), f) &&
      load_short(miscHist, MISC_HISTORY_LENGTH / sizeof(short), f) &&
      load_short(((short *)&map[0][0]), WORLD_W * WORLD_H, f);

    fclose(f);

    return result;
}

/**
 * Load a file, and initialize the game variables.