fixed not creating user level set
[rocksndiamonds.git] / src / libgame / setup.c
index 1895911f1bdfe399c9f10eeab514dcff4732d88e..acee4a9fd2634ddb52320b2a9df1722a28052685 100644 (file)
@@ -70,6 +70,7 @@ static int token_comment_position = TOKEN_COMMENT_POSITION_DEFAULT;
 static SetupFileHash *artworkinfo_cache_old = NULL;
 static SetupFileHash *artworkinfo_cache_new = NULL;
 static SetupFileHash *optional_tokens_hash = NULL;
+static SetupFileHash *missing_file_hash = NULL;
 static boolean use_artworkinfo_cache = TRUE;
 static boolean update_artworkinfo_cache = FALSE;
 
@@ -78,6 +79,16 @@ static boolean update_artworkinfo_cache = FALSE;
 // file functions
 // ----------------------------------------------------------------------------
 
+static void WarnUsingFallback(char *filename)
+{
+  if (getHashEntry(missing_file_hash, filename) == NULL)
+  {
+    setHashEntry(missing_file_hash, filename, "");
+
+    Debug("setup", "cannot find artwork file '%s' (using fallback)", filename);
+  }
+}
+
 static char *getLevelClassDescription(TreeInfo *ti)
 {
   int position = ti->sort_priority / 100;
@@ -88,6 +99,16 @@ static char *getLevelClassDescription(TreeInfo *ti)
     return "Unknown Level Class";
 }
 
+static char *getCacheDir(void)
+{
+  static char *cache_dir = NULL;
+
+  if (cache_dir == NULL)
+    cache_dir = getPath2(getMainUserGameDataDir(), CACHE_DIRECTORY);
+
+  return cache_dir;
+}
+
 static char *getScoreDir(char *level_subdir)
 {
   static char *score_dir = NULL;
@@ -95,13 +116,29 @@ static char *getScoreDir(char *level_subdir)
   char *score_subdir = SCORES_DIRECTORY;
 
   if (score_dir == NULL)
+    score_dir = getPath2(getMainUserGameDataDir(), score_subdir);
+
+  if (level_subdir != NULL)
   {
-    if (program.global_scores)
-      score_dir = getPath2(getCommonDataDir(),       score_subdir);
-    else
-      score_dir = getPath2(getMainUserGameDataDir(), score_subdir);
+    checked_free(score_level_dir);
+
+    score_level_dir = getPath2(score_dir, level_subdir);
+
+    return score_level_dir;
   }
 
+  return score_dir;
+}
+
+static char *getScoreCacheDir(char *level_subdir)
+{
+  static char *score_dir = NULL;
+  static char *score_level_dir = NULL;
+  char *score_subdir = SCORES_DIRECTORY;
+
+  if (score_dir == NULL)
+    score_dir = getPath2(getCacheDir(), score_subdir);
+
   if (level_subdir != NULL)
   {
     checked_free(score_level_dir);
@@ -114,6 +151,32 @@ static char *getScoreDir(char *level_subdir)
   return score_dir;
 }
 
+static char *getScoreTapeDir(char *level_subdir, int nr)
+{
+  static char *score_tape_dir = NULL;
+  char tape_subdir[MAX_FILENAME_LEN];
+
+  checked_free(score_tape_dir);
+
+  sprintf(tape_subdir, "%03d", nr);
+  score_tape_dir = getPath2(getScoreDir(level_subdir), tape_subdir);
+
+  return score_tape_dir;
+}
+
+static char *getScoreCacheTapeDir(char *level_subdir, int nr)
+{
+  static char *score_cache_tape_dir = NULL;
+  char tape_subdir[MAX_FILENAME_LEN];
+
+  checked_free(score_cache_tape_dir);
+
+  sprintf(tape_subdir, "%03d", nr);
+  score_cache_tape_dir = getPath2(getScoreCacheDir(level_subdir), tape_subdir);
+
+  return score_cache_tape_dir;
+}
+
 static char *getUserSubdir(int nr)
 {
   static char user_subdir[16] = { 0 };
@@ -156,16 +219,6 @@ static char *getLevelSetupDir(char *level_subdir)
   return levelsetup_dir;
 }
 
-static char *getCacheDir(void)
-{
-  static char *cache_dir = NULL;
-
-  if (cache_dir == NULL)
-    cache_dir = getPath2(getMainUserGameDataDir(), CACHE_DIRECTORY);
-
-  return cache_dir;
-}
-
 static char *getNetworkDir(void)
 {
   static char *network_dir = NULL;
@@ -250,7 +303,7 @@ char *getNewUserLevelSubdir(void)
   return new_level_subdir;
 }
 
-static char *getTapeDir(char *level_subdir)
+char *getTapeDir(char *level_subdir)
 {
   static char *tape_dir = NULL;
   char *data_dir = getUserGameDataDir();
@@ -463,7 +516,7 @@ char *getProgramMainDataPath(char *command_filename, char *base_path)
      set the current working directory to the program package directory) */
   char *main_data_path = getBasePath(command_filename);
 
-#if defined(PLATFORM_MACOSX)
+#if defined(PLATFORM_MAC)
   if (strSuffix(main_data_path, MAC_APP_BINARY_SUBDIR))
   {
     char *main_data_path_old = main_data_path;
@@ -505,8 +558,8 @@ char *getProgramConfigFilename(char *command_filename)
     if (strSuffix(command_filename_1, ".exe"))
       command_filename_1[strlen(command_filename_1) - 4] = '\0';
 
-    char *ro_base_path = getProgramMainDataPath(command_filename, RO_BASE_PATH);
-    char *conf_directory = getPath2(ro_base_path, CONF_DIRECTORY);
+    char *base_path = getProgramMainDataPath(command_filename, BASE_PATH);
+    char *conf_directory = getPath2(base_path, CONF_DIRECTORY);
 
     char *command_basepath = getBasePath(command_filename);
     char *command_basename = getBaseNameNoSuffix(command_filename);
@@ -516,7 +569,7 @@ char *getProgramConfigFilename(char *command_filename)
     config_filename_2 = getStringCat2(command_filename_2, ".conf");
     config_filename_3 = getPath2(conf_directory, SETUP_FILENAME);
 
-    checked_free(ro_base_path);
+    checked_free(base_path);
     checked_free(conf_directory);
 
     checked_free(command_basepath);
@@ -540,6 +593,34 @@ char *getProgramConfigFilename(char *command_filename)
   return config_filename_3;
 }
 
+static char *getPlatformConfigFilename(char *config_filename)
+{
+  static char *platform_config_filename = NULL;
+  static boolean initialized = FALSE;
+
+  if (!initialized)
+  {
+    char *config_basepath = getBasePath(config_filename);
+    char *config_basename = getBaseNameNoSuffix(config_filename);
+    char *config_filename_prefix = getPath2(config_basepath, config_basename);
+    char *platform_string_lower = getStringToLower(PLATFORM_STRING);
+    char *platform_suffix = getStringCat2("-", platform_string_lower);
+
+    platform_config_filename = getStringCat3(config_filename_prefix,
+                                            platform_suffix, ".conf");
+
+    checked_free(config_basepath);
+    checked_free(config_basename);
+    checked_free(config_filename_prefix);
+    checked_free(platform_string_lower);
+    checked_free(platform_suffix);
+
+    initialized = TRUE;
+  }
+
+  return platform_config_filename;
+}
+
 char *getTapeFilename(int nr)
 {
   static char *filename = NULL;
@@ -553,7 +634,20 @@ char *getTapeFilename(int nr)
   return filename;
 }
 
-char *getSolutionTapeFilename(int nr)
+char *getTemporaryTapeFilename(void)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  checked_free(filename);
+
+  sprintf(basename, "tmp.%s", TAPEFILE_EXTENSION);
+  filename = getPath2(getTapeDir(NULL), basename);
+
+  return filename;
+}
+
+char *getDefaultSolutionTapeFilename(int nr)
 {
   static char *filename = NULL;
   char basename[MAX_FILENAME_LEN];
@@ -563,17 +657,32 @@ char *getSolutionTapeFilename(int nr)
   sprintf(basename, "%03d.%s", nr, TAPEFILE_EXTENSION);
   filename = getPath2(getSolutionTapeDir(), basename);
 
-  if (!fileExists(filename))
-  {
-    static char *filename_sln = NULL;
+  return filename;
+}
 
-    checked_free(filename_sln);
+char *getSokobanSolutionTapeFilename(int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
 
-    sprintf(basename, "%03d.sln", nr);
-    filename_sln = getPath2(getSolutionTapeDir(), basename);
+  checked_free(filename);
 
-    if (fileExists(filename_sln))
-      return filename_sln;
+  sprintf(basename, "%03d.sln", nr);
+  filename = getPath2(getSolutionTapeDir(), basename);
+
+  return filename;
+}
+
+char *getSolutionTapeFilename(int nr)
+{
+  char *filename = getDefaultSolutionTapeFilename(nr);
+
+  if (!fileExists(filename))
+  {
+    char *filename2 = getSokobanSolutionTapeFilename(nr);
+
+    if (fileExists(filename2))
+      return filename2;
   }
 
   return filename;
@@ -594,6 +703,64 @@ char *getScoreFilename(int nr)
   return filename;
 }
 
+char *getScoreCacheFilename(int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  checked_free(filename);
+
+  sprintf(basename, "%03d.%s", nr, SCOREFILE_EXTENSION);
+
+  // used instead of "leveldir_current->subdir" (for network games)
+  filename = getPath2(getScoreCacheDir(levelset.identifier), basename);
+
+  return filename;
+}
+
+char *getScoreTapeBasename(char *name)
+{
+  static char basename[MAX_FILENAME_LEN];
+  char basename_raw[MAX_FILENAME_LEN];
+  char timestamp[20];
+
+  sprintf(timestamp, "%s", getCurrentTimestamp());
+  sprintf(basename_raw, "%s-%s", timestamp, name);
+  sprintf(basename, "%s-%08x", timestamp, get_hash_from_key(basename_raw));
+
+  return basename;
+}
+
+char *getScoreTapeFilename(char *basename_no_ext, int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  checked_free(filename);
+
+  sprintf(basename, "%s.%s", basename_no_ext, TAPEFILE_EXTENSION);
+
+  // used instead of "leveldir_current->subdir" (for network games)
+  filename = getPath2(getScoreTapeDir(levelset.identifier, nr), basename);
+
+  return filename;
+}
+
+char *getScoreCacheTapeFilename(char *basename_no_ext, int nr)
+{
+  static char *filename = NULL;
+  char basename[MAX_FILENAME_LEN];
+
+  checked_free(filename);
+
+  sprintf(basename, "%s.%s", basename_no_ext, TAPEFILE_EXTENSION);
+
+  // used instead of "leveldir_current->subdir" (for network games)
+  filename = getPath2(getScoreCacheTapeDir(levelset.identifier, nr), basename);
+
+  return filename;
+}
+
 char *getSetupFilename(void)
 {
   static char *filename = NULL;
@@ -610,6 +777,11 @@ char *getDefaultSetupFilename(void)
   return program.config_filename;
 }
 
+char *getPlatformSetupFilename(void)
+{
+  return getPlatformConfigFilename(program.config_filename);
+}
+
 char *getEditorSetupFilename(void)
 {
   static char *filename = NULL;
@@ -753,6 +925,65 @@ char *getLevelSetTitleMessageFilename(int nr, boolean initial)
   return NULL;         // cannot find specified artwork file anywhere
 }
 
+static char *getCreditsBasename(int nr)
+{
+  static char basename[32];
+
+  sprintf(basename, "credits_%d.txt", nr + 1);
+
+  return basename;
+}
+
+char *getCreditsFilename(int nr, boolean global)
+{
+  char *basename = getCreditsBasename(nr);
+  char *basepath = NULL;
+  static char *credits_subdir = NULL;
+  static char *filename = NULL;
+
+  if (credits_subdir == NULL)
+    credits_subdir = getPath2(DOCS_DIRECTORY, CREDITS_DIRECTORY);
+
+  checked_free(filename);
+
+  // look for credits file in the game's base or current level set directory
+  basepath = (global ? options.base_directory : getCurrentLevelDir());
+
+  filename = getPath3(basepath, credits_subdir, basename);
+  if (fileExists(filename))
+    return filename;
+
+  return NULL;         // cannot find credits file
+}
+
+static char *getProgramInfoBasename(int nr)
+{
+  static char basename[32];
+
+  sprintf(basename, "program_%d.txt", nr + 1);
+
+  return basename;
+}
+
+char *getProgramInfoFilename(int nr)
+{
+  char *basename = getProgramInfoBasename(nr);
+  static char *info_subdir = NULL;
+  static char *filename = NULL;
+
+  if (info_subdir == NULL)
+    info_subdir = getPath2(DOCS_DIRECTORY, PROGRAM_INFO_DIRECTORY);
+
+  checked_free(filename);
+
+  // look for program info file in the game's base directory
+  filename = getPath3(options.base_directory, info_subdir, basename);
+  if (fileExists(filename))
+    return filename;
+
+  return NULL;         // cannot find program info file
+}
+
 static char *getCorrectedArtworkBasename(char *basename)
 {
   return basename;
@@ -817,7 +1048,7 @@ char *getCustomImageFilename(char *basename)
   {
     free(filename);
 
-    Warn("cannot find artwork file '%s' (using fallback)", basename);
+    WarnUsingFallback(basename);
 
     // 6th try: look for fallback artwork in old default artwork directory
     // (needed to prevent errors when trying to access unused artwork files)
@@ -888,7 +1119,7 @@ char *getCustomSoundFilename(char *basename)
   {
     free(filename);
 
-    Warn("cannot find artwork file '%s' (using fallback)", basename);
+    WarnUsingFallback(basename);
 
     // 6th try: look for fallback artwork in old default artwork directory
     // (needed to prevent errors when trying to access unused artwork files)
@@ -959,7 +1190,7 @@ char *getCustomMusicFilename(char *basename)
   {
     free(filename);
 
-    Warn("cannot find artwork file '%s' (using fallback)", basename);
+    WarnUsingFallback(basename);
 
     // 6th try: look for fallback artwork in old default artwork directory
     // (needed to prevent errors when trying to access unused artwork files)
@@ -1055,24 +1286,81 @@ char *getCustomMusicDirectory(void)
   return NULL;         // cannot find specified artwork file anywhere
 }
 
+void MarkTapeDirectoryUploadsAsComplete(char *level_subdir)
+{
+  char *filename = getPath2(getTapeDir(level_subdir), UPLOADED_FILENAME);
+
+  touchFile(filename);
+
+  checked_free(filename);
+}
+
+void MarkTapeDirectoryUploadsAsIncomplete(char *level_subdir)
+{
+  char *filename = getPath2(getTapeDir(level_subdir), UPLOADED_FILENAME);
+
+  unlink(filename);
+
+  checked_free(filename);
+}
+
+boolean CheckTapeDirectoryUploadsComplete(char *level_subdir)
+{
+  char *filename = getPath2(getTapeDir(level_subdir), UPLOADED_FILENAME);
+  boolean success = fileExists(filename);
+
+  checked_free(filename);
+
+  return success;
+}
+
+void InitMissingFileHash(void)
+{
+  if (missing_file_hash == NULL)
+    freeSetupFileHash(missing_file_hash);
+
+  missing_file_hash = newSetupFileHash();
+}
+
 void InitTapeDirectory(char *level_subdir)
 {
-  createDirectory(getUserGameDataDir(), "user data", PERMS_PRIVATE);
-  createDirectory(getTapeDir(NULL), "main tape", PERMS_PRIVATE);
-  createDirectory(getTapeDir(level_subdir), "level tape", PERMS_PRIVATE);
+  boolean new_tape_dir = !directoryExists(getTapeDir(level_subdir));
+
+  createDirectory(getUserGameDataDir(), "user data");
+  createDirectory(getTapeDir(NULL), "main tape");
+  createDirectory(getTapeDir(level_subdir), "level tape");
+
+  if (new_tape_dir)
+    MarkTapeDirectoryUploadsAsComplete(level_subdir);
 }
 
 void InitScoreDirectory(char *level_subdir)
 {
-  int permissions = (program.global_scores ? PERMS_PUBLIC : PERMS_PRIVATE);
+  createDirectory(getMainUserGameDataDir(), "main user data");
+  createDirectory(getScoreDir(NULL), "main score");
+  createDirectory(getScoreDir(level_subdir), "level score");
+}
+
+void InitScoreCacheDirectory(char *level_subdir)
+{
+  createDirectory(getMainUserGameDataDir(), "main user data");
+  createDirectory(getCacheDir(), "cache data");
+  createDirectory(getScoreCacheDir(NULL), "main score");
+  createDirectory(getScoreCacheDir(level_subdir), "level score");
+}
 
-  if (program.global_scores)
-    createDirectory(getCommonDataDir(), "common data", permissions);
-  else
-    createDirectory(getMainUserGameDataDir(), "main user data", permissions);
+void InitScoreTapeDirectory(char *level_subdir, int nr)
+{
+  InitScoreDirectory(level_subdir);
+
+  createDirectory(getScoreTapeDir(level_subdir, nr), "score tape");
+}
+
+void InitScoreCacheTapeDirectory(char *level_subdir, int nr)
+{
+  InitScoreCacheDirectory(level_subdir);
 
-  createDirectory(getScoreDir(NULL), "main score", permissions);
-  createDirectory(getScoreDir(level_subdir), "level score", permissions);
+  createDirectory(getScoreCacheTapeDir(level_subdir, nr), "score tape");
 }
 
 static void SaveUserLevelInfo(void);
@@ -1081,12 +1369,15 @@ void InitUserLevelDirectory(char *level_subdir)
 {
   if (!directoryExists(getUserLevelDir(level_subdir)))
   {
-    createDirectory(getMainUserGameDataDir(), "main user data", PERMS_PRIVATE);
-    createDirectory(getUserLevelDir(NULL), "main user level", PERMS_PRIVATE);
-    createDirectory(getUserLevelDir(level_subdir), "user level", PERMS_PRIVATE);
+    createDirectory(getMainUserGameDataDir(), "main user data");
+    createDirectory(getUserLevelDir(NULL), "main user level");
 
     if (setup.internal.create_user_levelset)
+    {
+      createDirectory(getUserLevelDir(level_subdir), "user level");
+
       SaveUserLevelInfo();
+    }
   }
 }
 
@@ -1094,24 +1385,24 @@ void InitNetworkLevelDirectory(char *level_subdir)
 {
   if (!directoryExists(getNetworkLevelDir(level_subdir)))
   {
-    createDirectory(getMainUserGameDataDir(), "main user data", PERMS_PRIVATE);
-    createDirectory(getNetworkDir(), "network data", PERMS_PRIVATE);
-    createDirectory(getNetworkLevelDir(NULL), "main network level", PERMS_PRIVATE);
-    createDirectory(getNetworkLevelDir(level_subdir), "network level", PERMS_PRIVATE);
+    createDirectory(getMainUserGameDataDir(), "main user data");
+    createDirectory(getNetworkDir(), "network data");
+    createDirectory(getNetworkLevelDir(NULL), "main network level");
+    createDirectory(getNetworkLevelDir(level_subdir), "network level");
   }
 }
 
 void InitLevelSetupDirectory(char *level_subdir)
 {
-  createDirectory(getUserGameDataDir(), "user data", PERMS_PRIVATE);
-  createDirectory(getLevelSetupDir(NULL), "main level setup", PERMS_PRIVATE);
-  createDirectory(getLevelSetupDir(level_subdir), "level setup", PERMS_PRIVATE);
+  createDirectory(getUserGameDataDir(), "user data");
+  createDirectory(getLevelSetupDir(NULL), "main level setup");
+  createDirectory(getLevelSetupDir(level_subdir), "level setup");
 }
 
 static void InitCacheDirectory(void)
 {
-  createDirectory(getMainUserGameDataDir(), "main user data", PERMS_PRIVATE);
-  createDirectory(getCacheDir(), "cache data", PERMS_PRIVATE);
+  createDirectory(getMainUserGameDataDir(), "main user data");
+  createDirectory(getCacheDir(), "cache data");
 }
 
 
@@ -1181,22 +1472,35 @@ TreeInfo *getValidLevelSeries(TreeInfo *node, TreeInfo *default_node)
     return getFirstValidTreeInfoEntry(default_node);
 }
 
-TreeInfo *getFirstValidTreeInfoEntry(TreeInfo *node)
+static TreeInfo *getValidTreeInfoEntryExt(TreeInfo *node, boolean get_next_node)
 {
   if (node == NULL)
     return NULL;
 
-  if (node->node_group)                // enter level group (step down into tree)
+  if (node->node_group)                // enter node group (step down into tree)
     return getFirstValidTreeInfoEntry(node->node_group);
-  else if (node->parent_link)  // skip start entry of level group
-  {
-    if (node->next)            // get first real level series entry
-      return getFirstValidTreeInfoEntry(node->next);
-    else                       // leave empty level group and go on
-      return getFirstValidTreeInfoEntry(node->node_parent->next);
-  }
-  else                         // this seems to be a regular level series
+
+  if (node->parent_link)       // skip first node (back link) of node group
+    get_next_node = TRUE;
+
+  if (!get_next_node)          // get current regular tree node
     return node;
+
+  // get next regular tree node, or step up until one is found
+  while (node->next == NULL && node->node_parent != NULL)
+    node = node->node_parent;
+
+  return getFirstValidTreeInfoEntry(node->next);
+}
+
+TreeInfo *getFirstValidTreeInfoEntry(TreeInfo *node)
+{
+  return getValidTreeInfoEntryExt(node, FALSE);
+}
+
+TreeInfo *getNextValidTreeInfoEntry(TreeInfo *node)
+{
+  return getValidTreeInfoEntryExt(node, TRUE);
 }
 
 TreeInfo *getTreeInfoFirstGroupEntry(TreeInfo *node)
@@ -1382,9 +1686,10 @@ static boolean adjustTreeSoundsForEMC(TreeInfo *node)
   return settings_changed;
 }
 
-void dumpTreeInfo(TreeInfo *node, int depth)
+int dumpTreeInfo(TreeInfo *node, int depth)
 {
   char bullet_list[] = { '-', '*', 'o' };
+  int num_leaf_nodes = 0;
   int i;
 
   if (depth == 0)
@@ -1400,7 +1705,11 @@ void dumpTreeInfo(TreeInfo *node, int depth)
     DebugContinued("tree", "%c '%s' ['%s] [PARENT: '%s'] %s\n",
                   bullet, node->name, node->identifier,
                   (node->node_parent ? node->node_parent->identifier : "-"),
-                  (node->node_group ? "[GROUP]" : ""));
+                  (node->node_group ? "[GROUP]" :
+                   node->is_copy ? "[COPY]" : ""));
+
+    if (!node->node_group && !node->parent_link)
+      num_leaf_nodes++;
 
     /*
     // use for dumping artwork info tree
@@ -1409,10 +1718,15 @@ void dumpTreeInfo(TreeInfo *node, int depth)
     */
 
     if (node->node_group != NULL)
-      dumpTreeInfo(node->node_group, depth + 1);
+      num_leaf_nodes += dumpTreeInfo(node->node_group, depth + 1);
 
     node = node->next;
   }
+
+  if (depth == 0)
+    Debug("tree", "Summary: %d leaf nodes found", num_leaf_nodes);
+
+  return num_leaf_nodes;
 }
 
 void sortTreeInfoBySortFunction(TreeInfo **node_first,
@@ -1474,7 +1788,7 @@ void sortTreeInfo(TreeInfo **node_first)
 // some stuff from "files.c"
 // ============================================================================
 
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
 #ifndef S_IRGRP
 #define S_IRGRP S_IRUSR
 #endif
@@ -1499,7 +1813,7 @@ void sortTreeInfo(TreeInfo **node_first)
 #ifndef S_ISGID
 #define S_ISGID 0
 #endif
-#endif // PLATFORM_WIN32
+#endif // PLATFORM_WINDOWS
 
 // file permissions for newly written files
 #define MODE_R_ALL             (S_IRUSR | S_IRGRP | S_IROTH)
@@ -1523,7 +1837,7 @@ char *getHomeDir(void)
 {
   static char *dir = NULL;
 
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
   if (dir == NULL)
   {
     dir = checked_malloc(MAX_PATH + 1);
@@ -1532,7 +1846,7 @@ char *getHomeDir(void)
       strcpy(dir, ".");
   }
 #elif defined(PLATFORM_EMSCRIPTEN)
-  dir = "/persistent";
+  dir = PERSISTENT_DIRECTORY;
 #elif defined(PLATFORM_UNIX)
   if (dir == NULL)
   {
@@ -1553,34 +1867,11 @@ char *getHomeDir(void)
   return dir;
 }
 
-char *getCommonDataDir(void)
-{
-  static char *common_data_dir = NULL;
-
-#if defined(PLATFORM_WIN32)
-  if (common_data_dir == NULL)
-  {
-    char *dir = checked_malloc(MAX_PATH + 1);
-
-    if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_COMMON_DOCUMENTS, NULL, 0, dir))
-       && !strEqual(dir, ""))          // empty for Windows 95/98
-      common_data_dir = getPath2(dir, program.userdata_subdir);
-    else
-      common_data_dir = options.rw_base_directory;
-  }
-#else
-  if (common_data_dir == NULL)
-    common_data_dir = options.rw_base_directory;
-#endif
-
-  return common_data_dir;
-}
-
 char *getPersonalDataDir(void)
 {
   static char *personal_data_dir = NULL;
 
-#if defined(PLATFORM_MACOSX)
+#if defined(PLATFORM_MAC)
   if (personal_data_dir == NULL)
     personal_data_dir = getPath2(getHomeDir(), "Documents");
 #else
@@ -1634,7 +1925,7 @@ static mode_t posix_umask(mode_t mask)
 
 static int posix_mkdir(const char *pathname, mode_t mode)
 {
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
   return mkdir(pathname);
 #else
   return mkdir(pathname, mode);
@@ -1650,13 +1941,14 @@ static boolean posix_process_running_setgid(void)
 #endif
 }
 
-void createDirectory(char *dir, char *text, int permission_class)
+void createDirectory(char *dir, char *text)
 {
   if (directoryExists(dir))
     return;
 
   // leave "other" permissions in umask untouched, but ensure group parts
   // of USERDATA_DIR_MODE are not masked
+  int permission_class = PERMS_PRIVATE;
   mode_t dir_mode = (permission_class == PERMS_PRIVATE ?
                     DIR_PERMS_PRIVATE : DIR_PERMS_PUBLIC);
   mode_t last_umask = posix_umask(0);
@@ -1685,17 +1977,17 @@ void createDirectory(char *dir, char *text, int permission_class)
 
 void InitMainUserDataDirectory(void)
 {
-  createDirectory(getMainUserGameDataDir(), "main user data", PERMS_PRIVATE);
+  createDirectory(getMainUserGameDataDir(), "main user data");
 }
 
 void InitUserDataDirectory(void)
 {
-  createDirectory(getMainUserGameDataDir(), "main user data", PERMS_PRIVATE);
+  createDirectory(getMainUserGameDataDir(), "main user data");
 
   if (user.nr != 0)
   {
-    createDirectory(getUserDir(-1), "users", PERMS_PRIVATE);
-    createDirectory(getUserDir(user.nr), "user data", PERMS_PRIVATE);
+    createDirectory(getUserDir(-1), "users");
+    createDirectory(getUserDir(user.nr), "user data");
   }
 }
 
@@ -1933,7 +2225,7 @@ unsigned int get_hash_from_key(void *key)
   return hash;
 }
 
-static int keys_are_equal(void *key1, void *key2)
+int hash_keys_are_equal(void *key1, void *key2)
 {
   return (strEqual((char *)key1, (char *)key2));
 }
@@ -1941,7 +2233,7 @@ static int keys_are_equal(void *key1, void *key2)
 SetupFileHash *newSetupFileHash(void)
 {
   SetupFileHash *new_hash =
-    create_hashtable(16, 0.75, get_hash_from_key, keys_are_equal);
+    create_hashtable(16, 0.75, get_hash_from_key, hash_keys_are_equal);
 
   if (new_hash == NULL)
     Fail("create_hashtable() failed -- out of memory");
@@ -2435,11 +2727,13 @@ SetupFileHash *loadSetupFileHash(char *filename)
 #define LEVELINFO_TOKEN_FILENAME               24
 #define LEVELINFO_TOKEN_FILETYPE               25
 #define LEVELINFO_TOKEN_SPECIAL_FLAGS          26
-#define LEVELINFO_TOKEN_HANDICAP               27
-#define LEVELINFO_TOKEN_SKIP_LEVELS            28
-#define LEVELINFO_TOKEN_USE_EMC_TILES          29
+#define LEVELINFO_TOKEN_EMPTY_LEVEL_NAME       27
+#define LEVELINFO_TOKEN_FORCE_LEVEL_NAME       28
+#define LEVELINFO_TOKEN_HANDICAP               29
+#define LEVELINFO_TOKEN_SKIP_LEVELS            30
+#define LEVELINFO_TOKEN_USE_EMC_TILES          31
 
-#define NUM_LEVELINFO_TOKENS                   30
+#define NUM_LEVELINFO_TOKENS                   32
 
 static LevelDirTree ldi;
 
@@ -2473,6 +2767,8 @@ static struct TokenInfo levelinfo_tokens[] =
   { TYPE_STRING,       &ldi.level_filename,    "filename"              },
   { TYPE_STRING,       &ldi.level_filetype,    "filetype"              },
   { TYPE_STRING,       &ldi.special_flags,     "special_flags"         },
+  { TYPE_STRING,       &ldi.empty_level_name,  "empty_level_name"      },
+  { TYPE_BOOLEAN,      &ldi.force_level_name,  "force_level_name"      },
   { TYPE_BOOLEAN,      &ldi.handicap,          "handicap"              },
   { TYPE_BOOLEAN,      &ldi.skip_levels,       "skip_levels"           },
   { TYPE_BOOLEAN,      &ldi.use_emc_tiles,     "use_emc_tiles"         }
@@ -2570,6 +2866,9 @@ static void setTreeInfoToDefaults(TreeInfo *ti, int type)
 
     ti->special_flags = NULL;
 
+    ti->empty_level_name = NULL;
+    ti->force_level_name = FALSE;
+
     ti->levels = 0;
     ti->first_level = 0;
     ti->last_level = 0;
@@ -2652,6 +2951,9 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ti, TreeInfo *parent)
 
     ti->special_flags = getStringCopy(parent->special_flags);
 
+    ti->empty_level_name = getStringCopy(parent->empty_level_name);
+    ti->force_level_name = parent->force_level_name;
+
     ti->levels = parent->levels;
     ti->first_level = parent->first_level;
     ti->last_level = parent->last_level;
@@ -2714,6 +3016,9 @@ static TreeInfo *getTreeInfoCopy(TreeInfo *ti)
 
   ti_copy->special_flags       = getStringCopy(ti->special_flags);
 
+  ti_copy->empty_level_name    = getStringCopy(ti->empty_level_name);
+  ti_copy->force_level_name    = ti->force_level_name;
+
   ti_copy->levels              = ti->levels;
   ti_copy->first_level         = ti->first_level;
   ti_copy->last_level          = ti->last_level;
@@ -2938,6 +3243,17 @@ static void setTreeInfoParentNodes(TreeInfo *node, TreeInfo *node_parent)
   }
 }
 
+TreeInfo *addTopTreeInfoNode(TreeInfo *node_first)
+{
+  // add top tree node with back link node in previous tree
+  node_first = createTopTreeInfoNode(node_first);
+
+  // set all parent links (back links) in complete tree
+  setTreeInfoParentNodes(node_first, NULL);
+
+  return node_first;
+}
+
 
 // ----------------------------------------------------------------------------
 // functions for handling level and custom artwork info cache
@@ -3490,7 +3806,7 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
     (leveldir_new->user_defined || !leveldir_new->handicap ?
      leveldir_new->last_level : leveldir_new->first_level);
 
-  DrawInitText(leveldir_new->name, 150, FC_YELLOW);
+  DrawInitTextItem(leveldir_new->name);
 
   pushTreeInfo(node_first, leveldir_new);
 
@@ -3606,7 +3922,7 @@ void LoadLevelInfo(void)
 {
   InitUserLevelDirectory(getLoginName());
 
-  DrawInitText("Loading level series", 120, FC_GREEN);
+  DrawInitTextHead("Loading level series");
 
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, options.level_directory);
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, getUserLevelDir(NULL));
@@ -3879,7 +4195,7 @@ void LoadArtworkInfo(void)
 {
   LoadArtworkInfoCache();
 
-  DrawInitText("Looking for custom artwork", 120, FC_GREEN);
+  DrawInitTextHead("Looking for custom artwork");
 
   LoadArtworkInfoFromArtworkDir(&artwork.gfx_first, NULL,
                                options.graphics_directory,
@@ -4014,7 +4330,7 @@ static void LoadArtworkInfoFromLevelInfoExt(ArtworkDirTree **artwork_node,
        setArtworkInfoCacheEntry(artwork_new, level_node, type);
     }
 
-    DrawInitText(level_node->name, 150, FC_YELLOW);
+    DrawInitTextItem(level_node->name);
 
     if (level_node->node_group != NULL)
     {
@@ -4072,18 +4388,15 @@ static void LoadArtworkInfoFromLevelInfo(ArtworkDirTree **artwork_node)
   LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, TRUE);
   LoadArtworkInfoFromLevelInfoExt(artwork_node, NULL, leveldir_first_all, FALSE);
 
-  // add top tree node over all three separate sub-trees
-  *artwork_node = createTopTreeInfoNode(*artwork_node);
-
-  // set all parent links (back links) in complete artwork tree
-  setTreeInfoParentNodes(*artwork_node, NULL);
+  // add top tree node over all sub-trees and set parent links
+  *artwork_node = addTopTreeInfoNode(*artwork_node);
 }
 
 void LoadLevelArtworkInfo(void)
 {
   print_timestamp_init("LoadLevelArtworkInfo");
 
-  DrawInitText("Looking for custom level artwork", 120, FC_GREEN);
+  DrawInitTextHead("Looking for custom level artwork");
 
   print_timestamp_time("DrawTimeText");
 
@@ -4333,7 +4646,7 @@ boolean CreateUserLevelSet(char *level_subdir, char *level_name,
   int i;
 
   // create user level sub-directory, if needed
-  createDirectory(getUserLevelDir(level_subdir), "user level", PERMS_PRIVATE);
+  createDirectory(getUserLevelDir(level_subdir), "user level");
 
   filename = getPath2(getUserLevelDir(level_subdir), LEVELINFO_FILENAME);
 
@@ -4546,7 +4859,6 @@ static void InitLastPlayedLevels_ParentNode(void)
 void UpdateLastPlayedLevels_TreeInfo(void)
 {
   char **last_level_series = setup.level_setup.last_level_series;
-  boolean reset_leveldir_current = FALSE;
   LevelDirTree *leveldir_last;
   TreeInfo **node_new = NULL;
   int i;
@@ -4556,10 +4868,6 @@ void UpdateLastPlayedLevels_TreeInfo(void)
 
   InitLastPlayedLevels_ParentNode();
 
-  // check if current level set is from "last played" sub-tree to be rebuilt
-  reset_leveldir_current = strEqual(leveldir_current->node_parent->identifier,
-                                   TOKEN_STR_LAST_LEVEL_SERIES);
-
   leveldir_last = getTreeInfoFromIdentifierExt(leveldir_first,
                                               TOKEN_STR_LAST_LEVEL_SERIES,
                                               TREE_NODE_TYPE_GROUP);
@@ -4593,10 +4901,6 @@ void UpdateLastPlayedLevels_TreeInfo(void)
 
     node_new = &((*node_new)->next);
   }
-
-  if (reset_leveldir_current)
-    leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
-                                                 last_level_series[0]);
 }
 
 static void UpdateLastPlayedLevels_List(void)
@@ -4618,6 +4922,35 @@ static void UpdateLastPlayedLevels_List(void)
   setString(&last_level_series[0], leveldir_current->identifier);
 }
 
+static TreeInfo *StoreOrRestoreLastPlayedLevels(TreeInfo *node, boolean store)
+{
+  static char *identifier = NULL;
+
+  if (store)
+  {
+    setString(&identifier, (node && node->is_copy ? node->identifier : NULL));
+
+    return NULL;       // not used
+  }
+  else
+  {
+    TreeInfo *node_new = getTreeInfoFromIdentifierExt(leveldir_first,
+                                                     identifier,
+                                                     TREE_NODE_TYPE_COPY);
+    return (node_new != NULL ? node_new : node);
+  }
+}
+
+void StoreLastPlayedLevels(TreeInfo *node)
+{
+  StoreOrRestoreLastPlayedLevels(node, TRUE);
+}
+
+void RestoreLastPlayedLevels(TreeInfo **node)
+{
+  *node = StoreOrRestoreLastPlayedLevels(*node, FALSE);
+}
+
 void LoadLevelSetup_LastSeries(void)
 {
   // --------------------------------------------------------------------------
@@ -4719,7 +5052,7 @@ static void SaveLevelSetup_LastSeries_Ext(boolean deactivate_last_level_series)
 
   for (i = 0; last_level_series[i] != NULL; i++)
   {
-    char token[strlen(TOKEN_STR_LAST_LEVEL_SERIES) + 10];
+    char token[strlen(TOKEN_STR_LAST_LEVEL_SERIES) + 1 + 10 + 1];
 
     sprintf(token, "%s.%03d", TOKEN_STR_LAST_LEVEL_SERIES, i);