static size_t file_write(const void * const p, size_t len, stream_t *stream)
{
PHYSFS_sint64 count;
int error;
PHYSFS_File *file;
if (file_check_context(stream))
return 0;
file = stream->context.pfs.file;
count = PHYSFS_writeBytes(file, p, len);
if (count < len && (error = PHYSFS_getLastErrorCode())) {
s_log_error("Error writing to file stream (pfs: %s). (File: %s)",
PHYSFS_getErrorByCode(error), stream->context.pfs.file_path);
stream->error = STREAM_ERROR_FAILURE;
if (count == -1)
return 0;
}
return (size_t)count;
}
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);
}
FileSystem::FileSystem(std::vector<UString> paths)
{
// FIXME: Is this the right thing to do that?
LogInfo("Registering external archivers...");
PHYSFS_registerArchiver(getCueArchiver());
// Paths are supplied in inverse-search order (IE the last in 'paths' should be the first
// searched)
for (auto &p : paths)
{
if (!PHYSFS_mount(p.cStr(), "/", 0))
{
LogInfo("Failed to add resource dir \"%s\", error: %s", p,
PHYSFS_getErrorByCode(PHYSFS_getLastErrorCode()));
continue;
}
else
LogInfo("Resource dir \"%s\" mounted to \"%s\"", p, PHYSFS_getMountPoint(p.cStr()));
}
this->writeDir = PHYSFS_getPrefDir(PROGRAM_ORGANISATION, PROGRAM_NAME);
LogInfo("Setting write directory to \"%s\"", this->writeDir);
PHYSFS_setWriteDir(this->writeDir.cStr());
// Finally, the write directory trumps all
PHYSFS_mount(this->writeDir.cStr(), "/", 0);
}