make it use APPDATA right

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7935 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/fs.c b/fs.c
index 759f29e38a7e8bc3bd177d4e797d6e4dc8e6c0c2..2454bea34ec69d05ed01f0ba705b2de3fa23500a 100644 (file)
--- a/fs.c
+++ b/fs.c
@@ -30,6 +30,7 @@
 #ifdef WIN32
 # include <direct.h>
 # include <io.h>
+# include <shlobj.h>
 #else
 # include <pwd.h>
 # include <sys/stat.h>
@@ -1013,8 +1014,12 @@ FS_AddGameHierarchy
 void FS_AddGameHierarchy (const char *dir)
 {
        int i;
-       const char *homedir;
        char userdir[MAX_QPATH];
+#ifdef WIN32
+       TCHAR appdata[MAX_PATH + 1];
+#else
+       const char *homedir;
+#endif
 
        // Add the common game directory
        FS_AddGameDirectory (va("%s%s/", fs_basedir, dir));
@@ -1023,18 +1028,27 @@ void FS_AddGameHierarchy (const char *dir)
 
        // Add the personal game directory
 #ifdef WIN32
-       homedir = getenv ("APPDATA");
-       dpsnprintf(userdir, sizeof(userdir), "%s/%s/", homedir, gameuserdirname);
+       if(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, appdata) == S_OK)
+               dpsnprintf(userdir, sizeof(userdir), "%s/%s/", appdata, gameuserdirname);
 #else
        homedir = getenv ("HOME");
-       dpsnprintf(userdir, sizeof(userdir), "%s/.%s/", homedir, gameuserdirname);
+       if(homedir)
+               dpsnprintf(userdir, sizeof(userdir), "%s/.%s/", homedir, gameuserdirname);
 #endif
 
 #ifdef WIN32
-       if(!COM_CheckParm("-appdata")) // TODO make this the default when fs_basedir isn't writable
-#else
-       if(COM_CheckParm("-nohome"))
+       if(!COM_CheckParm("-appdata"))
+       {
+               int fd = open (va("%s%s/config.cfg", fs_basedir, dir), O_WRONLY | O_CREAT | O_APPEND, 0666);
+               if(fd >= 0)
+               {
+                       close(fd);
+                       *userdir = 0; // we have write access to the game dir, so let's use it
+               }
+       }
 #endif
+
+       if(COM_CheckParm("-nohome"))
                *userdir = 0;
        
        if((i = COM_CheckParm("-userdir")) && i < com_argc - 1)