void FS_Init(const char *argv0) {
int err = PHYSFS_init(argv0);
if (err == 0) {
Con_Errorf(ERR_FATAL, "Error in PHYSFS_init: %s", PHYSFS_getErrorByCode(PHYSFS_getLastErrorCode()));
return;
}
const char *baseDir = PHYSFS_getBaseDir();
fs_basepath = Con_GetVarDefault("fs.basepath", baseDir, CONVAR_STARTUP);
fs_basegame = Con_GetVarDefault("fs.basegame", "base", CONVAR_STARTUP);
fs_game = Con_GetVarDefault("fs.game", DEFAULT_GAME, CONVAR_STARTUP);
bool modLoaded = fs_game->string[0] != '\0';
char **baseFiles, **gameFiles;
// get the file listing for the basegame dir, then immediately unmount
const char *fullBasePath = tempstr("%s/%s", fs_basepath->string, fs_basegame->string);
PHYSFS_mount(fullBasePath, "/", 1);
baseFiles = PHYSFS_enumerateFiles("/");
PHYSFS_removeFromSearchPath(fullBasePath);
// if fs_game is set, do the same thing for the fs_game dir
if (modLoaded) {
const char *fullGamePath = tempstr("%s/%s", fs_basepath->string, fs_game->string);
PHYSFS_mount(fullGamePath, "/", 1);
gameFiles = PHYSFS_enumerateFiles("/");
PHYSFS_removeFromSearchPath(fullGamePath);
// mount the mod dir first, then mount mod PK3s
PHYSFS_mount(tempstr("%s/%s", fs_basepath->string, fs_game->string), "/", 1);
FS_AddPaksFromList(gameFiles, fs_basepath->string, fs_game->string);
PHYSFS_freeList(gameFiles);
}
// then mount the base game dir, then the mount base game PK3s
PHYSFS_mount(tempstr("%s/%s", fs_basepath->string, fs_basegame->string), "/", 1);
FS_AddPaksFromList(baseFiles, fs_basepath->string, fs_basegame->string);
PHYSFS_freeList(baseFiles);
// print all the files we've found in order of priority
Con_Printf("Current filesystem search path:\n");
PHYSFS_getSearchPathCallback(printSearchPath, NULL);
Con_Printf("\n");
// add command handler for dir to view virtual filesystem
Con_AddCommand("dir", Cmd_Dir_f);
}
void getSearchPath(StringCallback callback, void * extra) {
PHYSFS_getSearchPathCallback(callback, extra);
}
