SDL_Surface *WadImageCache::image_from_desc(WadImageDescriptor& desc)
{
SDL_Surface *surface = NULL;
OpenedFile wad_file;
if (open_wad_file_for_reading(desc.file, wad_file))
{
struct wad_header header;
if (read_wad_header(wad_file, &header))
{
struct wad_data *wad;
wad = read_indexed_wad_from_file(wad_file, &header, desc.index, true);
if (wad)
{
void *data;
size_t length;
data = extract_type_from_wad(wad, desc.tag, &length);
if (data && length)
{
SDL_RWops *rwops = SDL_RWFromConstMem(data, length);
#ifdef HAVE_SDL_IMAGE
surface = IMG_Load_RW(rwops, 1);
#else
surface = SDL_LoadBMP_RW(rwops, 1);
#endif
}
free_wad(wad);
}
}
close_wad_file(wad_file);
}
clear_game_error();
return surface;
}
/* --------- local code */
static struct wad_data *get_physics_wad_data(
bool *bungie_physics)
{
struct wad_data *wad= NULL;
// dprintf("Open is: %d %d %.*s", physics_file.vRefNum, physics_file.parID, physics_file.name[0], physics_file.name+1);
OpenedFile PhysicsFile;
if(open_wad_file_for_reading(PhysicsFileSpec,PhysicsFile))
{
struct wad_header header;
if(read_wad_header(PhysicsFile, &header))
{
if(header.data_version==BUNGIE_PHYSICS_DATA_VERSION || header.data_version==PHYSICS_DATA_VERSION)
{
wad= read_indexed_wad_from_file(PhysicsFile, &header, 0, true);
if(header.data_version==BUNGIE_PHYSICS_DATA_VERSION)
{
*bungie_physics= true;
} else {
*bungie_physics= false;
}
}
}
close_wad_file(PhysicsFile);
}
/* Reset any errors that might have occurred.. */
set_game_error(systemError, errNone);
return wad;
}
static void load_preferences(
void)
{
/* If it was already allocated, we are reloading, so free the old one.. */
if(prefInfo->wad) {
free_wad(prefInfo->wad);
prefInfo->wad= NULL;
}
OpenedFile PrefsFile;
if (open_wad_file_for_reading(prefInfo->PrefsFile,PrefsFile)) {
struct wad_header header;
/* Read the header from the wad file */
if(read_wad_header(PrefsFile, &header)) {
/* Read the indexed wad from the file */
prefInfo->wad= read_indexed_wad_from_file(PrefsFile, &header, 0, false);
// LP change: more graceful degradation
if (!prefInfo->wad) {
set_game_error(gameError, errUnknownWadVersion);
}
}
/* Close the file.. */
close_wad_file(PrefsFile);
}
}
