//
// Build a list of IWAD files
//
static void BuildIWADDirList(void)
{
char *doomwaddir;
if (iwad_dirs_built)
return;
// Look in the current directory. Doom always does this.
AddIWADDir(".");
// Add DOOMWADDIR if it is in the environment
doomwaddir = getenv("DOOMWADDIR");
if (doomwaddir != NULL)
AddIWADDir(doomwaddir);
// Add dirs from DOOMWADPATH
AddDoomWadPath();
#ifdef WIN32
// Search the registry and find where IWADs have been installed.
CheckUninstallStrings();
CheckCollectorsEdition();
CheckSteamEdition();
CheckDOSDefaults();
#endif
// Don't run this function again.
iwad_dirs_built = true;
}
// Add IWAD directories parsed from splitting a path string containing
// paths separated by PATH_SEPARATOR. 'suffix' is a string to concatenate
// to the end of the paths before adding them.
static void AddIWADPath(char *path, char *suffix)
{
char *left, *p;
path = M_StringDuplicate(path);
// Split into individual dirs within the list.
left = path;
for (;;)
{
p = strchr(left, PATH_SEPARATOR);
if (p != NULL)
{
// Break at the separator and use the left hand side
// as another iwad dir
*p = '\0';
AddIWADDir(M_StringJoin(left, suffix, NULL));
left = p + 1;
}
else
{
break;
}
}
AddIWADDir(M_StringJoin(left, suffix, NULL));
free(path);
}
//
// Add directories from the list in the DOOMWADPATH environment variable.
//
static void AddDoomWadPath(void)
{
char *doomwadpath = getenv("DOOMWADPATH");
char *p;
if (doomwadpath == NULL)
return;
// Add the initial directory
AddIWADDir(doomwadpath);
// Split into individual dirs within the list.
p = doomwadpath;
for (;;)
{
p = strchr(p, PATH_SEPARATOR);
if (p != NULL)
{
// Break at the separator and store the right hand side
// as another iwad dir
*p = '\0';
p += 1;
AddIWADDir(p);
}
else
break;
}
}
static void BuildIWADDirList(void)
{
char *doomwaddir;
if (iwad_dirs_built)
{
return;
}
// Look in the current directory. Doom always does this.
AddIWADDir(".");
// Add DOOMWADDIR if it is in the environment
doomwaddir = getenv("DOOMWADDIR");
if (doomwaddir != NULL)
{
AddIWADDir(doomwaddir);
}
// Add dirs from DOOMWADPATH
AddDoomWadPath();
#ifdef _WIN32
// Search the registry and find where IWADs have been installed.
CheckUninstallStrings();
CheckCollectorsEdition();
CheckSteamEdition();
CheckDOSDefaults();
// Check for GUS patches installed with the BFG edition!
CheckSteamGUSPatches();
#else
// Standard places where IWAD files are installed under Unix.
AddIWADDir("/usr/share/games/doom");
AddIWADDir("/usr/local/share/games/doom");
// [SVE] svillarreal
#if !defined(__APPLE__)
if((doomwaddir = GetApplicationPath()))
AddIWADDir(doomwaddir);
#endif
#endif
// Don't run this function again.
iwad_dirs_built = true;
}
static void CheckInstallRootPaths(void)
{
unsigned int i;
for (i=0; i<arrlen(root_path_keys); ++i)
{
char *install_path;
char *subpath;
unsigned int j;
install_path = GetRegistryString(&root_path_keys[i]);
if (install_path == NULL)
{
continue;
}
for (j=0; j<arrlen(root_path_subdirs); ++j)
{
subpath = M_StringJoin(install_path, DIR_SEPARATOR_S,
root_path_subdirs[j], NULL);
AddIWADDir(subpath);
}
free(install_path);
}
}
static void CheckUninstallStrings(void)
{
unsigned int i;
for (i=0; i<arrlen(uninstall_values); ++i)
{
char *val;
char *path;
char *unstr;
val = GetRegistryString(&uninstall_values[i]);
if (val == NULL)
{
continue;
}
unstr = strstr(val, UNINSTALLER_STRING);
if (unstr == NULL)
{
free(val);
}
else
{
path = unstr + strlen(UNINSTALLER_STRING);
AddIWADDir(path);
}
}
}
static void CheckSteamEdition(void)
{
char *install_path;
char *subpath;
size_t i;
install_path = GetRegistryString(&steam_install_location);
if (install_path == NULL)
{
return;
}
for (i=0; i<arrlen(steam_install_subdirs); ++i)
{
subpath = malloc(strlen(install_path)
+ strlen(steam_install_subdirs[i]) + 5);
sprintf(subpath, "%s\\%s", install_path, steam_install_subdirs[i]);
AddIWADDir(subpath);
}
free(install_path);
}
static void CheckCollectorsEdition(void)
{
char *install_path;
char *subpath;
unsigned int i;
install_path = GetRegistryString(&collectors_edition_value);
if (install_path == NULL)
{
return;
}
for (i=0; i<arrlen(collectors_edition_subdirs); ++i)
{
subpath = malloc(strlen(install_path)
+ strlen(collectors_edition_subdirs[i])
+ 5);
sprintf(subpath, "%s\\%s", install_path, collectors_edition_subdirs[i]);
AddIWADDir(subpath);
}
free(install_path);
}
static void BuildIWADDirList(void)
{
char *env;
if (iwad_dirs_built)
{
return;
}
// Look in the current directory. Doom always does this.
AddIWADDir(".");
// Add DOOMWADDIR if it is in the environment
env = getenv("DOOMWADDIR");
if (env != NULL)
{
AddIWADDir(env);
}
// Add dirs from DOOMWADPATH:
env = getenv("DOOMWADPATH");
if (env != NULL)
{
AddIWADPath(env, "");
}
#ifdef _WIN32
// Search the registry and find where IWADs have been installed.
CheckUninstallStrings();
CheckInstallRootPaths();
CheckSteamEdition();
CheckDOSDefaults();
// Check for GUS patches installed with the BFG edition!
CheckSteamGUSPatches();
#else
AddXdgDirs();
#endif
// Don't run this function again.
iwad_dirs_built = true;
}
// Add standard directories where IWADs are located on Unix systems.
// To respect the freedesktop.org specification we support overriding
// using standard environment variables. See the XDG Base Directory
// Specification:
// <http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html>
static void AddXdgDirs(void)
{
char *env, *tmp_env;
// Quote:
// > $XDG_DATA_HOME defines the base directory relative to which
// > user specific data files should be stored. If $XDG_DATA_HOME
// > is either not set or empty, a default equal to
// > $HOME/.local/share should be used.
env = getenv("XDG_DATA_HOME");
tmp_env = NULL;
if (env == NULL)
{
char *homedir = getenv("HOME");
if (homedir == NULL)
{
homedir = "/";
}
tmp_env = M_StringJoin(homedir, "/.local/share", NULL);
env = tmp_env;
}
// We support $XDG_DATA_HOME/games/doom (which will usually be
// ~/.local/share/games/doom) as a user-writeable extension to
// the usual /usr/share/games/doom location.
AddIWADDir(M_StringJoin(env, "/games/doom", NULL));
free(tmp_env);
// Quote:
// > $XDG_DATA_DIRS defines the preference-ordered set of base
// > directories to search for data files in addition to the
// > $XDG_DATA_HOME base directory. The directories in $XDG_DATA_DIRS
// > should be seperated with a colon ':'.
// >
// > If $XDG_DATA_DIRS is either not set or empty, a value equal to
// > /usr/local/share/:/usr/share/ should be used.
env = getenv("XDG_DATA_DIRS");
if (env == NULL)
{
// (Trailing / omitted from paths, as it is added below)
env = "/usr/local/share:/usr/share";
}
// The "standard" location for IWADs on Unix that is supported by most
// source ports is /usr/share/games/doom - we support this through the
// XDG_DATA_DIRS mechanism, through which it can be overridden.
AddIWADPath(env, "/games/doom");
// The convention set by RBDOOM-3-BFG is to install Doom 3: BFG
// Edition into this directory, under which includes the Doom
// Classic WADs.
AddIWADPath(env, "/games/doom3bfg/base/wads");
}
// Default install directories for DOS Doom
static void CheckDOSDefaults(void)
{
// These are the default install directories used by the deice
// installer program:
AddIWADDir("\\doom2"); // Doom II
AddIWADDir("\\plutonia"); // Final Doom
AddIWADDir("\\tnt");
AddIWADDir("\\doom_se"); // Ultimate Doom
AddIWADDir("\\doom"); // Shareware / Registered Doom
AddIWADDir("\\dooms"); // Shareware versions
AddIWADDir("\\doomsw");
}
static void BuildIWADDirList(void)
{
char *doomwaddir;
if (iwad_dirs_built)
{
return;
}
// Look in the current directory. Doom always does this.
AddIWADDir(".");
// Add DOOMWADDIR if it is in the environment
doomwaddir = getenv("DOOMWADDIR");
if (doomwaddir != NULL)
{
AddIWADDir(doomwaddir);
}
// Add dirs from DOOMWADPATH
AddDoomWadPath();
#if defined(_WIN32_WCE)
// Windows CE locations:
AddIWADDir("\\Storage Card");
AddIWADDir(getenv("HOME"));
#elif defined(_WIN32)
// Search the registry and find where IWADs have been installed.
CheckUninstallStrings();
CheckCollectorsEdition();
CheckSteamEdition();
CheckDOSDefaults();
#else
// Standard places where IWAD files are installed under Unix.
AddIWADDir("/usr/share/games/doom");
AddIWADDir("/usr/local/share/games/doom");
#endif
// Don't run this function again.
iwad_dirs_built = true;
}
// Check for Doom downloaded via Steam
static void CheckSteamEdition(void)
{
char *install_path = GetRegistryString(&steam_install_location);
char *subpath;
size_t i;
if (install_path == NULL)
return;
for (i = 0; i < arrlen(steam_install_subdirs); ++i)
{
subpath = M_StringJoin(install_path, DIR_SEPARATOR_S,
steam_install_subdirs[i], NULL);
AddIWADDir(subpath);
}
free(install_path);
}
// Check for Doom: Collector's Edition
static void CheckCollectorsEdition(void)
{
char *install_path;
char *subpath;
unsigned int i;
install_path = GetRegistryString(&collectors_edition_value);
if (install_path == NULL)
return;
for (i = 0; i < arrlen(collectors_edition_subdirs); ++i)
{
subpath = M_StringJoin(install_path, DIR_SEPARATOR_S,
collectors_edition_subdirs[i], NULL);
AddIWADDir(subpath);
}
free(install_path);
}
static void CheckDOSDefaults(void)
{
// These are the default install directories used by the deice
// installer program:
AddIWADDir("\\doom2"); // Doom II
AddIWADDir("\\plutonia"); // Final Doom
AddIWADDir("\\tnt");
AddIWADDir("\\doom_se"); // Ultimate Doom
AddIWADDir("\\doom"); // Shareware / Registered Doom
AddIWADDir("\\dooms"); // Shareware versions
AddIWADDir("\\doomsw");
AddIWADDir("\\heretic"); // Heretic
AddIWADDir("\\hrtic_se"); // Heretic Shareware from Quake disc
AddIWADDir("\\hexen"); // Hexen
AddIWADDir("\\hexendk"); // Hexen Deathkings of the Dark Citadel
AddIWADDir("\\strife"); // Strife
}
