rnd-20060407-1-src
[rocksndiamonds.git] / src / libgame / setup.c
index 05978dd4a967e86f1d2eaf8ed6e1b8397737a324..6f8ffaca24695f5a1d8795bb8ba7339f5b602a42 100644 (file)
@@ -41,10 +41,11 @@ static char *levelclass_desc[NUM_LEVELCLASS_DESC] =
 
 #define LEVELCOLOR(n)  (IS_LEVELCLASS_TUTORIAL(n) ?            FC_BLUE :    \
                         IS_LEVELCLASS_CLASSICS(n) ?            FC_RED :     \
-                        IS_LEVELCLASS_BD(n) ?                  FC_GREEN :   \
+                        IS_LEVELCLASS_BD(n) ?                  FC_YELLOW :  \
                         IS_LEVELCLASS_EM(n) ?                  FC_YELLOW :  \
-                        IS_LEVELCLASS_SP(n) ?                  FC_GREEN :   \
+                        IS_LEVELCLASS_SP(n) ?                  FC_YELLOW :  \
                         IS_LEVELCLASS_DX(n) ?                  FC_YELLOW :  \
+                        IS_LEVELCLASS_SB(n) ?                  FC_YELLOW :  \
                         IS_LEVELCLASS_CONTRIB(n) ?             FC_GREEN :   \
                         IS_LEVELCLASS_PRIVATE(n) ?             FC_RED :     \
                         FC_BLUE)
@@ -55,14 +56,15 @@ static char *levelclass_desc[NUM_LEVELCLASS_DESC] =
                         IS_LEVELCLASS_EM(n) ?                  3 :     \
                         IS_LEVELCLASS_SP(n) ?                  4 :     \
                         IS_LEVELCLASS_DX(n) ?                  5 :     \
-                        IS_LEVELCLASS_CONTRIB(n) ?             6 :     \
-                        IS_LEVELCLASS_PRIVATE(n) ?             7 :     \
+                        IS_LEVELCLASS_SB(n) ?                  6 :     \
+                        IS_LEVELCLASS_CONTRIB(n) ?             7 :     \
+                        IS_LEVELCLASS_PRIVATE(n) ?             8 :     \
                         9)
 
 #define ARTWORKCOLOR(n)        (IS_ARTWORKCLASS_CLASSICS(n) ?          FC_RED :     \
-                        IS_ARTWORKCLASS_CONTRIB(n) ?           FC_YELLOW :  \
+                        IS_ARTWORKCLASS_CONTRIB(n) ?           FC_GREEN :   \
                         IS_ARTWORKCLASS_PRIVATE(n) ?           FC_RED :     \
-                        IS_ARTWORKCLASS_LEVEL(n) ?             FC_GREEN :   \
+                        IS_ARTWORKCLASS_LEVEL(n) ?             FC_YELLOW :  \
                         FC_BLUE)
 
 #define ARTWORKSORTING(n) (IS_ARTWORKCLASS_CLASSICS(n) ?       0 :     \
@@ -71,10 +73,14 @@ static char *levelclass_desc[NUM_LEVELCLASS_DESC] =
                           IS_ARTWORKCLASS_PRIVATE(n) ?         3 :     \
                           9)
 
-#define TOKEN_VALUE_POSITION           40
-#define TOKEN_COMMENT_POSITION         60
+#define TOKEN_VALUE_POSITION_SHORT             32
+#define TOKEN_VALUE_POSITION_DEFAULT           40
+#define TOKEN_COMMENT_POSITION_DEFAULT         60
 
-#define MAX_COOKIE_LEN                 256
+#define MAX_COOKIE_LEN                         256
+
+static int token_value_position   = TOKEN_VALUE_POSITION_DEFAULT;
+static int token_comment_position = TOKEN_COMMENT_POSITION_DEFAULT;
 
 
 /* ------------------------------------------------------------------------- */
@@ -97,8 +103,7 @@ static char *getUserLevelDir(char *level_subdir)
   char *data_dir = getUserDataDir();
   char *userlevel_subdir = LEVELS_DIRECTORY;
 
-  if (userlevel_dir)
-    free(userlevel_dir);
+  checked_free(userlevel_dir);
 
   if (level_subdir != NULL)
     userlevel_dir = getPath3(data_dir, userlevel_subdir, level_subdir);
@@ -108,31 +113,13 @@ static char *getUserLevelDir(char *level_subdir)
   return userlevel_dir;
 }
 
-static char *getTapeDir(char *level_subdir)
-{
-  static char *tape_dir = NULL;
-  char *data_dir = getUserDataDir();
-  char *tape_subdir = TAPES_DIRECTORY;
-
-  if (tape_dir)
-    free(tape_dir);
-
-  if (level_subdir != NULL)
-    tape_dir = getPath3(data_dir, tape_subdir, level_subdir);
-  else
-    tape_dir = getPath2(data_dir, tape_subdir);
-
-  return tape_dir;
-}
-
 static char *getScoreDir(char *level_subdir)
 {
   static char *score_dir = NULL;
   char *data_dir = getCommonDataDir();
   char *score_subdir = SCORES_DIRECTORY;
 
-  if (score_dir)
-    free(score_dir);
+  checked_free(score_dir);
 
   if (level_subdir != NULL)
     score_dir = getPath3(data_dir, score_subdir, level_subdir);
@@ -148,8 +135,7 @@ static char *getLevelSetupDir(char *level_subdir)
   char *data_dir = getUserDataDir();
   char *levelsetup_subdir = LEVELSETUP_DIRECTORY;
 
-  if (levelsetup_dir)
-    free(levelsetup_dir);
+  checked_free(levelsetup_dir);
 
   if (level_subdir != NULL)
     levelsetup_dir = getPath3(data_dir, levelsetup_subdir, level_subdir);
@@ -166,20 +152,48 @@ static char *getLevelDirFromTreeInfo(TreeInfo *node)
   if (node == NULL)
     return options.level_directory;
 
-  if (level_dir)
-    free(level_dir);
+  checked_free(level_dir);
 
-  level_dir = getPath2((node->user_defined ? getUserLevelDir(NULL) :
+  level_dir = getPath2((node->in_user_dir ? getUserLevelDir(NULL) :
                        options.level_directory), node->fullpath);
 
   return level_dir;
 }
 
-static char *getCurrentLevelDir()
+char *getCurrentLevelDir()
 {
   return getLevelDirFromTreeInfo(leveldir_current);
 }
 
+static char *getTapeDir(char *level_subdir)
+{
+  static char *tape_dir = NULL;
+  char *data_dir = getUserDataDir();
+  char *tape_subdir = TAPES_DIRECTORY;
+
+  checked_free(tape_dir);
+
+  if (level_subdir != NULL)
+    tape_dir = getPath3(data_dir, tape_subdir, level_subdir);
+  else
+    tape_dir = getPath2(data_dir, tape_subdir);
+
+  return tape_dir;
+}
+
+static char *getSolutionTapeDir()
+{
+  static char *tape_dir = NULL;
+  char *data_dir = getCurrentLevelDir();
+  char *tape_subdir = TAPES_DIRECTORY;
+
+  checked_free(tape_dir);
+
+  tape_dir = getPath2(data_dir, tape_subdir);
+
+  return tape_dir;
+}
+
 static char *getDefaultGraphicsDir(char *graphics_subdir)
 {
   static char *graphics_dir = NULL;
@@ -187,8 +201,7 @@ static char *getDefaultGraphicsDir(char *graphics_subdir)
   if (graphics_subdir == NULL)
     return options.graphics_directory;
 
-  if (graphics_dir)
-    free(graphics_dir);
+  checked_free(graphics_dir);
 
   graphics_dir = getPath2(options.graphics_directory, graphics_subdir);
 
@@ -202,8 +215,7 @@ static char *getDefaultSoundsDir(char *sounds_subdir)
   if (sounds_subdir == NULL)
     return options.sounds_directory;
 
-  if (sounds_dir)
-    free(sounds_dir);
+  checked_free(sounds_dir);
 
   sounds_dir = getPath2(options.sounds_directory, sounds_subdir);
 
@@ -217,8 +229,7 @@ static char *getDefaultMusicDir(char *music_subdir)
   if (music_subdir == NULL)
     return options.music_directory;
 
-  if (music_dir)
-    free(music_dir);
+  checked_free(music_dir);
 
   music_dir = getPath2(options.music_directory, music_subdir);
 
@@ -276,8 +287,7 @@ static char *getSetupArtworkDir(TreeInfo *ti)
 {
   static char *artwork_dir = NULL;
 
-  if (artwork_dir != NULL)
-    free(artwork_dir);
+  checked_free(artwork_dir);
 
   artwork_dir = getPath2(ti->basepath, ti->fullpath);
 
@@ -292,11 +302,10 @@ char *setLevelArtworkDir(TreeInfo *ti)
   if (ti == NULL || leveldir_current == NULL)
     return NULL;
 
-  artwork_path_ptr = &(LEVELDIR_ARTWORK_PATH(leveldir_current, ti->type));
-  artwork_set_ptr  = &(LEVELDIR_ARTWORK_SET( leveldir_current, ti->type));
+  artwork_path_ptr = LEVELDIR_ARTWORK_PATH_PTR(leveldir_current, ti->type);
+  artwork_set_ptr  = LEVELDIR_ARTWORK_SET_PTR( leveldir_current, ti->type);
 
-  if (*artwork_path_ptr != NULL)
-    free(*artwork_path_ptr);
+  checked_free(*artwork_path_ptr);
 
   if ((level_artwork = getTreeInfoFromIdentifier(ti, *artwork_set_ptr)))
     *artwork_path_ptr = getStringCopy(getSetupArtworkDir(level_artwork));
@@ -311,8 +320,7 @@ char *setLevelArtworkDir(TreeInfo *ti)
 
     char *dir = getPath2(getCurrentLevelDir(), ARTWORK_DIRECTORY(ti->type));
 
-    if (*artwork_set_ptr != NULL)
-      free(*artwork_set_ptr);
+    checked_free(*artwork_set_ptr);
 
     if (fileExists(dir))
     {
@@ -347,34 +355,28 @@ inline static char *getLevelArtworkDir(int type)
   return LEVELDIR_ARTWORK_PATH(leveldir_current, type);
 }
 
-char *getLevelFilename(int nr)
+char *getTapeFilename(int nr)
 {
   static char *filename = NULL;
   char basename[MAX_FILENAME_LEN];
 
-  if (filename != NULL)
-    free(filename);
-
-  if (nr < 0)
-    sprintf(basename, "template.%s", LEVELFILE_EXTENSION);
-  else
-    sprintf(basename, "%03d.%s", nr, LEVELFILE_EXTENSION);
+  checked_free(filename);
 
-  filename = getPath2(getCurrentLevelDir(), basename);
+  sprintf(basename, "%03d.%s", nr, TAPEFILE_EXTENSION);
+  filename = getPath2(getTapeDir(leveldir_current->subdir), basename);
 
   return filename;
 }
 
-char *getTapeFilename(int nr)
+char *getSolutionTapeFilename(int nr)
 {
   static char *filename = NULL;
   char basename[MAX_FILENAME_LEN];
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   sprintf(basename, "%03d.%s", nr, TAPEFILE_EXTENSION);
-  filename = getPath2(getTapeDir(leveldir_current->filename), basename);
+  filename = getPath2(getSolutionTapeDir(), basename);
 
   return filename;
 }
@@ -384,11 +386,10 @@ char *getScoreFilename(int nr)
   static char *filename = NULL;
   char basename[MAX_FILENAME_LEN];
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   sprintf(basename, "%03d.%s", nr, SCOREFILE_EXTENSION);
-  filename = getPath2(getScoreDir(leveldir_current->filename), basename);
+  filename = getPath2(getScoreDir(leveldir_current->subdir), basename);
 
   return filename;
 }
@@ -397,8 +398,7 @@ char *getSetupFilename()
 {
   static char *filename = NULL;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   filename = getPath2(getSetupDir(), SETUP_FILENAME);
 
@@ -409,9 +409,13 @@ char *getEditorSetupFilename()
 {
   static char *filename = NULL;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
+  filename = getPath2(getCurrentLevelDir(), EDITORSETUP_FILENAME);
+
+  if (fileExists(filename))
+    return filename;
 
+  checked_free(filename);
   filename = getPath2(getSetupDir(), EDITORSETUP_FILENAME);
 
   return filename;
@@ -421,8 +425,7 @@ char *getHelpAnimFilename()
 {
   static char *filename = NULL;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   filename = getPath2(getCurrentLevelDir(), HELPANIM_FILENAME);
 
@@ -433,14 +436,42 @@ char *getHelpTextFilename()
 {
   static char *filename = NULL;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   filename = getPath2(getCurrentLevelDir(), HELPTEXT_FILENAME);
 
   return filename;
 }
 
+char *getLevelSetInfoFilename()
+{
+  static char *filename = NULL;
+  char *basenames[] =
+  {
+    "README",
+    "README.TXT",
+    "README.txt",
+    "Readme",
+    "Readme.txt",
+    "readme",
+    "readme.txt",
+
+    NULL
+  };
+  int i;
+
+  for (i = 0; basenames[i] != NULL; i++)
+  {
+    checked_free(filename);
+    filename = getPath2(getCurrentLevelDir(), basenames[i]);
+
+    if (fileExists(filename))
+      return filename;
+  }
+
+  return NULL;
+}
+
 static char *getCorrectedArtworkBasename(char *basename)
 {
   char *basename_corrected = basename;
@@ -460,8 +491,7 @@ static char *getCorrectedArtworkBasename(char *basename)
     {
       static char *msdos_filename = NULL;
 
-      if (msdos_filename != NULL)
-       free(msdos_filename);
+      checked_free(msdos_filename);
 
       msdos_filename = getStringCopy(basename_corrected);
       strncpy(&msdos_filename[8], &basename[strlen(basename) - (1+3)], 1+3 +1);
@@ -479,13 +509,28 @@ char *getCustomImageFilename(char *basename)
   static char *filename = NULL;
   boolean skip_setup_artwork = FALSE;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   basename = getCorrectedArtworkBasename(basename);
 
   if (!setup.override_level_graphics)
   {
+#if 1
+    /* try special ECS graphics */
+    filename = getPath3(getCurrentLevelDir(), GRAPHICS_ECS_DIRECTORY, basename);
+    if (fileExists(filename) && !setup.prefer_aga_graphics)
+      return filename;
+
+    free(filename);
+
+    /* try special AGA graphics */
+    filename = getPath3(getCurrentLevelDir(), GRAPHICS_AGA_DIRECTORY, basename);
+    if (fileExists(filename) && setup.prefer_aga_graphics)
+      return filename;
+
+    free(filename);
+#endif
+
     /* 1st try: look for special artwork in current level series directory */
     filename = getPath3(getCurrentLevelDir(), GRAPHICS_DIRECTORY, basename);
     if (fileExists(filename))
@@ -493,9 +538,22 @@ char *getCustomImageFilename(char *basename)
 
     free(filename);
 
+#if 1
+    if (leveldir_current)
+      printf("::: A -> '%s' [%s]\n", leveldir_current->graphics_set,
+            leveldir_current->subdir);
+#endif
+
     /* check if there is special artwork configured in level series config */
     if (getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS) != NULL)
     {
+#if 1
+      printf("::: B -> '%s' ---------> '%s'\n",
+            getLevelArtworkSet(ARTWORK_TYPE_GRAPHICS),
+            leveldir_current->graphics_path);
+      /*     -> getLevelArtworkDir(ARTWORK_TYPE_GRAPHICS)); */
+#endif
+
       /* 2nd try: look for special artwork configured in level series config */
       filename = getPath2(getLevelArtworkDir(ARTWORK_TYPE_GRAPHICS), basename);
       if (fileExists(filename))
@@ -538,8 +596,7 @@ char *getCustomSoundFilename(char *basename)
   static char *filename = NULL;
   boolean skip_setup_artwork = FALSE;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   basename = getCorrectedArtworkBasename(basename);
 
@@ -597,8 +654,7 @@ char *getCustomMusicFilename(char *basename)
   static char *filename = NULL;
   boolean skip_setup_artwork = FALSE;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   basename = getCorrectedArtworkBasename(basename);
 
@@ -672,8 +728,7 @@ char *getCustomArtworkLevelConfigFilename(int type)
 {
   static char *filename = NULL;
 
-  if (filename != NULL)
-    free(filename);
+  checked_free(filename);
 
   filename = getPath2(getLevelArtworkDir(type), ARTWORKINFO_FILENAME(type));
 
@@ -685,8 +740,7 @@ char *getCustomMusicDirectory(void)
   static char *directory = NULL;
   boolean skip_setup_artwork = FALSE;
 
-  if (directory != NULL)
-    free(directory);
+  checked_free(directory);
 
   if (!setup.override_level_music)
   {
@@ -755,7 +809,7 @@ static void SaveUserLevelInfo();
 
 void InitUserLevelDirectory(char *level_subdir)
 {
-  if (access(getUserLevelDir(level_subdir), F_OK) != 0)
+  if (!fileExists(getUserLevelDir(level_subdir)))
   {
     createDirectory(getUserDataDir(), "user data", PERMS_PRIVATE);
     createDirectory(getUserLevelDir(NULL), "main user level", PERMS_PRIVATE);
@@ -774,7 +828,7 @@ void InitLevelSetupDirectory(char *level_subdir)
 
 
 /* ------------------------------------------------------------------------- */
-/* some functions to handle lists of level directories                       */
+/* some functions to handle lists of level and artwork directories           */
 /* ------------------------------------------------------------------------- */
 
 TreeInfo *newTreeInfo()
@@ -902,6 +956,95 @@ TreeInfo *getTreeInfoFromIdentifier(TreeInfo *node, char *identifier)
   return NULL;
 }
 
+TreeInfo *cloneTreeNode(TreeInfo **node_top, TreeInfo *node_parent,
+                       TreeInfo *node, boolean skip_sets_without_levels)
+{
+  TreeInfo *node_new;
+
+  if (node == NULL)
+    return NULL;
+
+  if (!node->parent_link && !node->level_group &&
+      skip_sets_without_levels && node->levels == 0)
+    return cloneTreeNode(node_top, node_parent, node->next,
+                        skip_sets_without_levels);
+
+  node_new = newTreeInfo();
+
+  *node_new = *node;                           /* copy complete node */
+
+  node_new->node_top = node_top;               /* correct top node link */
+  node_new->node_parent = node_parent;         /* correct parent node link */
+
+  if (node->level_group)
+    node_new->node_group = cloneTreeNode(node_top, node_new, node->node_group,
+                                        skip_sets_without_levels);
+
+  node_new->next = cloneTreeNode(node_top, node_parent, node->next,
+                                skip_sets_without_levels);
+  
+  return node_new;
+}
+
+void cloneTree(TreeInfo **ti_new, TreeInfo *ti, boolean skip_empty_sets)
+{
+  TreeInfo *ti_cloned = cloneTreeNode(ti_new, NULL, ti, skip_empty_sets);
+
+  *ti_new = ti_cloned;
+}
+
+static boolean adjustTreeGraphics(TreeInfo *node)
+{
+  boolean settings_changed = FALSE;
+
+  while (node)
+  {
+#if 1
+    if (node->graphics_ecs_set && !setup.prefer_aga_graphics)
+    {
+      setString(&node->graphics_set, node->graphics_ecs_set);
+#if 0
+      printf("::: setting graphics for set '%s' to '%s' [ECS]\n",
+            node->subdir, node->graphics_set);
+#endif
+
+      settings_changed = TRUE;
+    }
+    else if (node->graphics_aga_set && setup.prefer_aga_graphics)
+    {
+      setString(&node->graphics_set, node->graphics_aga_set);
+#if 0
+      printf("::: setting graphics for set '%s' to '%s' [AGA]\n",
+            node->subdir, node->graphics_set);
+#endif
+
+      settings_changed = TRUE;
+    }
+    else if (node->graphics_set == NULL)
+    {
+#if 0
+      printf("::: cannot set graphics_set for set '%s'\n", node->subdir);
+#endif
+    }
+#else
+    if (node->graphics_ecs_set)
+      printf("::: SET '%s': found ECS set '%s'\n",
+            node->subdir, node->graphics_ecs_set);
+
+    if (node->graphics_aga_set)
+      printf("::: SET '%s': found AGA set '%s'\n",
+            node->subdir, node->graphics_aga_set);
+#endif
+
+    if (node->node_group != NULL)
+      settings_changed |= adjustTreeGraphics(node->node_group);
+
+    node = node->next;
+  }
+
+  return settings_changed;
+}
+
 void dumpTreeInfo(TreeInfo *node, int depth)
 {
   int i;
@@ -913,13 +1056,8 @@ void dumpTreeInfo(TreeInfo *node, int depth)
     for (i = 0; i < (depth + 1) * 3; i++)
       printf(" ");
 
-#if 1
-    printf("filename == '%s' ['%s', '%s'] [%d])\n",
-          node->filename, node->fullpath, node->basepath, node->user_defined);
-#else
-    printf("filename == '%s' (%s) [%s] (%d)\n",
-          node->filename, node->name, node->identifier, node->sort_priority);
-#endif
+    printf("subdir == '%s' ['%s', '%s'] [%d])\n",
+          node->subdir, node->fullpath, node->basepath, node->in_user_dir);
 
     if (node->node_group != NULL)
       dumpTreeInfo(node->node_group, depth + 1);
@@ -1089,7 +1227,7 @@ void createDirectory(char *dir, char *text, int permission_class)
   mode_t group_umask = ~(dir_mode & S_IRWXG);
   posix_umask(normal_umask & group_umask);
 
-  if (access(dir, F_OK) != 0)
+  if (!fileExists(dir))
     if (posix_mkdir(dir, dir_mode) != 0)
       Error(ERR_WARN, "cannot create %s directory '%s'", text, dir);
 
@@ -1178,9 +1316,13 @@ char *getFormattedSetupEntry(char *token, char *value)
   int i;
   static char entry[MAX_LINE_LEN];
 
+  /* if value is an empty string, just return token without value */
+  if (*value == '\0')
+    return token;
+
   /* start with the token and some spaces to format output line */
   sprintf(entry, "%s:", token);
-  for (i = strlen(entry); i < TOKEN_VALUE_POSITION; i++)
+  for (i = strlen(entry); i < token_value_position; i++)
     strcat(entry, " ");
 
   /* continue with the token's value */
@@ -1206,12 +1348,12 @@ void freeSetupFileList(SetupFileList *list)
   if (list == NULL)
     return;
 
-  if (list->token)
-    free(list->token);
-  if (list->value)
-    free(list->value);
+  checked_free(list->token);
+  checked_free(list->value);
+
   if (list->next)
     freeSetupFileList(list->next);
+
   free(list);
 }
 
@@ -1233,8 +1375,7 @@ SetupFileList *setListEntry(SetupFileList *list, char *token, char *value)
 
   if (strcmp(list->token, token) == 0)
   {
-    if (list->value)
-      free(list->value);
+    checked_free(list->value);
 
     list->value = getStringCopy(value);
 
@@ -1359,8 +1500,15 @@ void setHashEntry(SetupFileHash *hash, char *token, char *value)
       Error(ERR_EXIT, "cannot insert into hash -- aborting");
 }
 
+char *removeHashEntry(SetupFileHash *hash, char *token)
+{
+  if (hash == NULL)
+    return NULL;
+
+  return remove_hash_entry(hash, token);
+}
+
 #if 0
-#ifdef DEBUG
 static void printSetupFileHash(SetupFileHash *hash)
 {
   BEGIN_HASH_ITERATION(hash, itr)
@@ -1371,28 +1519,27 @@ static void printSetupFileHash(SetupFileHash *hash)
   END_HASH_ITERATION(hash, itr)
 }
 #endif
-#endif
 
 static void *loadSetupFileData(char *filename, boolean use_hash)
 {
-  int line_len;
   char line[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
   char *token, *value, *line_ptr;
   void *setup_file_data, *insert_ptr = NULL;
   boolean read_continued_line = FALSE;
   FILE *file;
 
-  if (use_hash)
-    setup_file_data = newSetupFileHash();
-  else
-    insert_ptr = setup_file_data = newSetupFileList("", "");
-
   if (!(file = fopen(filename, MODE_READ)))
   {
     Error(ERR_WARN, "cannot open configuration file '%s'", filename);
+
     return NULL;
   }
 
+  if (use_hash)
+    setup_file_data = newSetupFileHash();
+  else
+    insert_ptr = setup_file_data = newSetupFileList("", "");
+
   while (!feof(file))
   {
     /* read next line of input file */
@@ -1450,38 +1597,37 @@ static void *loadSetupFileData(char *filename, boolean use_hash)
     if (*line == '\0')
       continue;
 
-    line_len = strlen(line);
-
     /* cut leading whitespaces from token */
     for (token = line; *token; token++)
       if (*token != ' ' && *token != '\t')
        break;
 
-    /* find end of token */
+    /* start with empty value as reliable default */
+    value = "";
+
+    /* find end of token to determine start of value */
     for (line_ptr = token; *line_ptr; line_ptr++)
     {
       if (*line_ptr == ' ' || *line_ptr == '\t' || *line_ptr == ':')
       {
-       *line_ptr = '\0';
+       *line_ptr = '\0';               /* terminate token string */
+       value = line_ptr + 1;           /* set beginning of value */
+
        break;
       }
     }
 
-    if (line_ptr < line + line_len)
-      value = line_ptr + 1;
-    else
-#if 1
-      value = "true";  /* treat tokens without value as "true" */
-#else
-      value = "\0";
-#endif
-
     /* cut leading whitespaces from value */
     for (; *value; value++)
       if (*value != ' ' && *value != '\t')
        break;
 
-    if (*token && *value)
+#if 0
+    if (*value == '\0')
+      value = "true";  /* treat tokens without value as "true" */
+#endif
+
+    if (*token)
     {
       if (use_hash)
        setHashEntry((SetupFileHash *)setup_file_data, token, value);
@@ -1525,14 +1671,14 @@ SetupFileHash *loadSetupFileHash(char *filename)
 }
 
 void checkSetupFileHashIdentifier(SetupFileHash *setup_file_hash,
-                                 char *identifier)
+                                 char *filename, char *identifier)
 {
   char *value = getHashEntry(setup_file_hash, TOKEN_STR_FILE_IDENTIFIER);
 
   if (value == NULL)
-    Error(ERR_WARN, "configuration file has no file identifier");
+    Error(ERR_WARN, "config file '%s' has no file identifier", filename);
   else if (!checkCookieString(value, identifier))
-    Error(ERR_WARN, "configuration file has wrong file identifier");
+    Error(ERR_WARN, "config file '%s' has wrong file identifier", filename);
 }
 
 
@@ -1540,47 +1686,61 @@ void checkSetupFileHashIdentifier(SetupFileHash *setup_file_hash,
 /* setup file stuff                                                          */
 /* ========================================================================= */
 
-#define TOKEN_STR_LAST_LEVEL_SERIES    "last_level_series"
-#define TOKEN_STR_LAST_PLAYED_LEVEL    "last_played_level"
-#define TOKEN_STR_HANDICAP_LEVEL       "handicap_level"
+#define TOKEN_STR_LAST_LEVEL_SERIES            "last_level_series"
+#define TOKEN_STR_LAST_PLAYED_LEVEL            "last_played_level"
+#define TOKEN_STR_HANDICAP_LEVEL               "handicap_level"
 
 /* level directory info */
-#define LEVELINFO_TOKEN_IDENTIFIER     0
-#define LEVELINFO_TOKEN_NAME           1
-#define LEVELINFO_TOKEN_NAME_SORTING   2
-#define LEVELINFO_TOKEN_AUTHOR         3
-#define LEVELINFO_TOKEN_IMPORTED_FROM  4
-#define LEVELINFO_TOKEN_LEVELS         5
-#define LEVELINFO_TOKEN_FIRST_LEVEL    6
-#define LEVELINFO_TOKEN_SORT_PRIORITY  7
-#define LEVELINFO_TOKEN_LATEST_ENGINE  8
-#define LEVELINFO_TOKEN_LEVEL_GROUP    9
-#define LEVELINFO_TOKEN_READONLY       10
-#define LEVELINFO_TOKEN_GRAPHICS_SET   11
-#define LEVELINFO_TOKEN_SOUNDS_SET     12
-#define LEVELINFO_TOKEN_MUSIC_SET      13
-
-#define NUM_LEVELINFO_TOKENS           14
+#define LEVELINFO_TOKEN_IDENTIFIER             0
+#define LEVELINFO_TOKEN_NAME                   1
+#define LEVELINFO_TOKEN_NAME_SORTING           2
+#define LEVELINFO_TOKEN_AUTHOR                 3
+#define LEVELINFO_TOKEN_IMPORTED_FROM          4
+#define LEVELINFO_TOKEN_IMPORTED_BY            5
+#define LEVELINFO_TOKEN_LEVELS                 6
+#define LEVELINFO_TOKEN_FIRST_LEVEL            7
+#define LEVELINFO_TOKEN_SORT_PRIORITY          8
+#define LEVELINFO_TOKEN_LATEST_ENGINE          9
+#define LEVELINFO_TOKEN_LEVEL_GROUP            10
+#define LEVELINFO_TOKEN_READONLY               11
+#define LEVELINFO_TOKEN_GRAPHICS_ECS_SET       12
+#define LEVELINFO_TOKEN_GRAPHICS_AGA_SET       13
+#define LEVELINFO_TOKEN_GRAPHICS_SET           14
+#define LEVELINFO_TOKEN_SOUNDS_SET             15
+#define LEVELINFO_TOKEN_MUSIC_SET              16
+#define LEVELINFO_TOKEN_FILENAME               17
+#define LEVELINFO_TOKEN_FILETYPE               18
+#define LEVELINFO_TOKEN_HANDICAP               19
+#define LEVELINFO_TOKEN_SKIP_LEVELS            20
+
+#define NUM_LEVELINFO_TOKENS                   21
 
 static LevelDirTree ldi;
 
 static struct TokenInfo levelinfo_tokens[] =
 {
   /* level directory info */
-  { TYPE_STRING,  &ldi.identifier,     "identifier"    },
-  { TYPE_STRING,  &ldi.name,           "name"          },
-  { TYPE_STRING,  &ldi.name_sorting,   "name_sorting"  },
-  { TYPE_STRING,  &ldi.author,         "author"        },
-  { TYPE_STRING,  &ldi.imported_from,  "imported_from" },
-  { TYPE_INTEGER, &ldi.levels,         "levels"        },
-  { TYPE_INTEGER, &ldi.first_level,    "first_level"   },
-  { TYPE_INTEGER, &ldi.sort_priority,  "sort_priority" },
-  { TYPE_BOOLEAN, &ldi.latest_engine,  "latest_engine" },
-  { TYPE_BOOLEAN, &ldi.level_group,    "level_group"   },
-  { TYPE_BOOLEAN, &ldi.readonly,       "readonly"      },
-  { TYPE_STRING,  &ldi.graphics_set,   "graphics_set"  },
-  { TYPE_STRING,  &ldi.sounds_set,     "sounds_set"    },
-  { TYPE_STRING,  &ldi.music_set,      "music_set"     }
+  { TYPE_STRING,       &ldi.identifier,        "identifier"            },
+  { TYPE_STRING,       &ldi.name,              "name"                  },
+  { TYPE_STRING,       &ldi.name_sorting,      "name_sorting"          },
+  { TYPE_STRING,       &ldi.author,            "author"                },
+  { TYPE_STRING,       &ldi.imported_from,     "imported_from"         },
+  { TYPE_STRING,       &ldi.imported_by,       "imported_by"           },
+  { TYPE_INTEGER,      &ldi.levels,            "levels"                },
+  { TYPE_INTEGER,      &ldi.first_level,       "first_level"           },
+  { TYPE_INTEGER,      &ldi.sort_priority,     "sort_priority"         },
+  { TYPE_BOOLEAN,      &ldi.latest_engine,     "latest_engine"         },
+  { TYPE_BOOLEAN,      &ldi.level_group,       "level_group"           },
+  { TYPE_BOOLEAN,      &ldi.readonly,          "readonly"              },
+  { TYPE_STRING,       &ldi.graphics_ecs_set,  "graphics_ecs_set"      },
+  { TYPE_STRING,       &ldi.graphics_aga_set,  "graphics_aga_set"      },
+  { TYPE_STRING,       &ldi.graphics_set,      "graphics_set"          },
+  { TYPE_STRING,       &ldi.sounds_set,        "sounds_set"            },
+  { TYPE_STRING,       &ldi.music_set,         "music_set"             },
+  { TYPE_STRING,       &ldi.level_filename,    "filename"              },
+  { TYPE_STRING,       &ldi.level_filetype,    "filetype"              },
+  { TYPE_BOOLEAN,      &ldi.handicap,          "handicap"              },
+  { TYPE_BOOLEAN,      &ldi.skip_levels,       "skip_levels"           }
 };
 
 static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
@@ -1600,7 +1760,7 @@ static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
   ldi->cl_first = -1;
   ldi->cl_cursor = -1;
 
-  ldi->filename = NULL;
+  ldi->subdir = NULL;
   ldi->fullpath = NULL;
   ldi->basepath = NULL;
   ldi->identifier = NULL;
@@ -1611,6 +1771,7 @@ static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
   ldi->sort_priority = LEVELCLASS_UNDEFINED;   /* default: least priority */
   ldi->latest_engine = FALSE;                  /* default: get from level */
   ldi->parent_link = FALSE;
+  ldi->in_user_dir = FALSE;
   ldi->user_defined = FALSE;
   ldi->color = 0;
   ldi->class_desc = NULL;
@@ -1618,7 +1779,10 @@ static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
   if (ldi->type == TREE_TYPE_LEVEL_DIR)
   {
     ldi->imported_from = NULL;
+    ldi->imported_by = NULL;
 
+    ldi->graphics_ecs_set = NULL;
+    ldi->graphics_aga_set = NULL;
     ldi->graphics_set = NULL;
     ldi->sounds_set = NULL;
     ldi->music_set = NULL;
@@ -1626,12 +1790,17 @@ static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
     ldi->sounds_path = getStringCopy(UNDEFINED_FILENAME);
     ldi->music_path = getStringCopy(UNDEFINED_FILENAME);
 
+    ldi->level_filename = NULL;
+    ldi->level_filetype = NULL;
+
     ldi->levels = 0;
     ldi->first_level = 0;
     ldi->last_level = 0;
     ldi->level_group = FALSE;
     ldi->handicap_level = 0;
     ldi->readonly = TRUE;
+    ldi->handicap = TRUE;
+    ldi->skip_levels = FALSE;
   }
 }
 
@@ -1646,7 +1815,6 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
     return;
   }
 
-#if 1
   /* copy all values from the parent structure */
 
   ldi->type = parent->type;
@@ -1659,7 +1827,7 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
   ldi->cl_first = -1;
   ldi->cl_cursor = -1;
 
-  ldi->filename = NULL;
+  ldi->subdir = NULL;
   ldi->fullpath = NULL;
   ldi->basepath = NULL;
   ldi->identifier = NULL;
@@ -1670,6 +1838,7 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
   ldi->sort_priority = parent->sort_priority;
   ldi->latest_engine = parent->latest_engine;
   ldi->parent_link = FALSE;
+  ldi->in_user_dir = parent->in_user_dir;
   ldi->user_defined = parent->user_defined;
   ldi->color = parent->color;
   ldi->class_desc = getStringCopy(parent->class_desc);
@@ -1677,7 +1846,10 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
   if (ldi->type == TREE_TYPE_LEVEL_DIR)
   {
     ldi->imported_from = getStringCopy(parent->imported_from);
+    ldi->imported_by = getStringCopy(parent->imported_by);
 
+    ldi->graphics_ecs_set = NULL;
+    ldi->graphics_aga_set = NULL;
     ldi->graphics_set = NULL;
     ldi->sounds_set = NULL;
     ldi->music_set = NULL;
@@ -1685,92 +1857,50 @@ static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
     ldi->sounds_path = getStringCopy(UNDEFINED_FILENAME);
     ldi->music_path = getStringCopy(UNDEFINED_FILENAME);
 
+    ldi->level_filename = NULL;
+    ldi->level_filetype = NULL;
+
     ldi->levels = 0;
     ldi->first_level = 0;
     ldi->last_level = 0;
     ldi->level_group = FALSE;
     ldi->handicap_level = 0;
     ldi->readonly = TRUE;
+    ldi->handicap = TRUE;
+    ldi->skip_levels = FALSE;
   }
-
-
-#else
-
-  /* first copy all values from the parent structure ... */
-  *ldi = *parent;
-
-  /* ... then set all fields to default that cannot be inherited from parent.
-     This is especially important for all those fields that can be set from
-     the 'levelinfo.conf' config file, because the function 'setSetupInfo()'
-     calls 'free()' for all already set token values which requires that no
-     other structure's pointer may point to them!
-  */
-
-  ldi->filename = NULL;
-  ldi->fullpath = NULL;
-  ldi->basepath = NULL;
-  ldi->identifier = NULL;
-  ldi->name = getStringCopy(ANONYMOUS_NAME);
-  ldi->name_sorting = NULL;
-  ldi->author = getStringCopy(parent->author);
-
-  ldi->imported_from = getStringCopy(parent->imported_from);
-  ldi->class_desc = getStringCopy(parent->class_desc);
-
-  ldi->graphics_set = NULL;
-  ldi->sounds_set = NULL;
-  ldi->music_set = NULL;
-  ldi->graphics_path = NULL;
-  ldi->sounds_path = NULL;
-  ldi->music_path = NULL;
-
-  ldi->level_group = FALSE;
-  ldi->parent_link = FALSE;
-
-  ldi->node_top = parent->node_top;
-  ldi->node_parent = parent;
-  ldi->node_group = NULL;
-  ldi->next = NULL;
-
-#endif
 }
 
 static void freeTreeInfo(TreeInfo *ldi)
 {
-  if (ldi->filename)
-    free(ldi->filename);
-  if (ldi->fullpath)
-    free(ldi->fullpath);
-  if (ldi->basepath)
-    free(ldi->basepath);
-  if (ldi->identifier)
-    free(ldi->identifier);
-
-  if (ldi->name)
-    free(ldi->name);
-  if (ldi->name_sorting)
-    free(ldi->name_sorting);
-  if (ldi->author)
-    free(ldi->author);
-
-  if (ldi->class_desc)
-    free(ldi->class_desc);
+  checked_free(ldi->subdir);
+  checked_free(ldi->fullpath);
+  checked_free(ldi->basepath);
+  checked_free(ldi->identifier);
+
+  checked_free(ldi->name);
+  checked_free(ldi->name_sorting);
+  checked_free(ldi->author);
+
+  checked_free(ldi->class_desc);
 
   if (ldi->type == TREE_TYPE_LEVEL_DIR)
   {
-    if (ldi->graphics_set)
-      free(ldi->graphics_set);
-    if (ldi->sounds_set)
-      free(ldi->sounds_set);
-    if (ldi->music_set)
-      free(ldi->music_set);
+    checked_free(ldi->imported_from);
+    checked_free(ldi->imported_by);
+
+    checked_free(ldi->graphics_ecs_set);
+    checked_free(ldi->graphics_aga_set);
+    checked_free(ldi->graphics_set);
+    checked_free(ldi->sounds_set);
+    checked_free(ldi->music_set);
+
+    checked_free(ldi->graphics_path);
+    checked_free(ldi->sounds_path);
+    checked_free(ldi->music_path);
 
-    if (ldi->graphics_path)
-      free(ldi->graphics_path);
-    if (ldi->sounds_path)
-      free(ldi->sounds_path);
-    if (ldi->music_path)
-      free(ldi->music_path);
+    checked_free(ldi->level_filename);
+    checked_free(ldi->level_filetype);
   }
 }
 
@@ -1804,8 +1934,7 @@ void setSetupInfo(struct TokenInfo *token_info,
       break;
 
     case TYPE_STRING:
-      if (*(char **)setup_value != NULL)
-       free(*(char **)setup_value);
+      checked_free(*(char **)setup_value);
       *(char **)setup_value = getStringCopy(token_value);
       break;
 
@@ -1865,31 +1994,17 @@ static void createParentTreeInfoNode(TreeInfo *node_parent)
   ti_new->node_parent = node_parent;
   ti_new->parent_link = TRUE;
 
-#if 1
   setString(&ti_new->identifier, node_parent->identifier);
   setString(&ti_new->name, ".. (parent directory)");
   setString(&ti_new->name_sorting, ti_new->name);
 
-  setString(&ti_new->filename, "..");
+  setString(&ti_new->subdir, "..");
   setString(&ti_new->fullpath, node_parent->fullpath);
 
   ti_new->sort_priority = node_parent->sort_priority;
   ti_new->latest_engine = node_parent->latest_engine;
 
   setString(&ti_new->class_desc, getLevelClassDescription(ti_new));
-#else
-  ti_new->identifier = getStringCopy(node_parent->identifier);
-  ti_new->name = ".. (parent directory)";
-  ti_new->name_sorting = getStringCopy(ti_new->name);
-
-  ti_new->filename = "..";
-  ti_new->fullpath = getStringCopy(node_parent->fullpath);
-
-  ti_new->sort_priority = node_parent->sort_priority;
-  ti_new->latest_engine = node_parent->latest_engine;
-
-  ti_new->class_desc = getLevelClassDescription(ti_new);
-#endif
 
   pushTreeInfo(&node_parent->node_group, ti_new);
 }
@@ -1904,10 +2019,21 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
 {
   char *directory_path = getPath2(level_directory, directory_name);
   char *filename = getPath2(directory_path, LEVELINFO_FILENAME);
-  SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
+  SetupFileHash *setup_file_hash;
   LevelDirTree *leveldir_new = NULL;
   int i;
 
+  /* unless debugging, silently ignore directories without "levelinfo.conf" */
+  if (!options.debug && !fileExists(filename))
+  {
+    free(directory_path);
+    free(filename);
+
+    return FALSE;
+  }
+
+  setup_file_hash = loadSetupFileHash(filename);
+
   if (setup_file_hash == NULL)
   {
     Error(ERR_WARN, "ignoring level directory '%s'", directory_path);
@@ -1925,9 +2051,10 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
   else
     setTreeInfoToDefaults(leveldir_new, TREE_TYPE_LEVEL_DIR);
 
-  leveldir_new->filename = getStringCopy(directory_name);
+  leveldir_new->subdir = getStringCopy(directory_name);
 
-  checkSetupFileHashIdentifier(setup_file_hash, getCookie("LEVELINFO"));
+  checkSetupFileHashIdentifier(setup_file_hash, filename,
+                              getCookie("LEVELINFO"));
 
   /* set all structure fields according to the token/value pairs */
   ldi = *leveldir_new;
@@ -1936,21 +2063,13 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
                 getHashEntry(setup_file_hash, levelinfo_tokens[i].text));
   *leveldir_new = ldi;
 
-#if 1
-  if (strcmp(leveldir_new->name, ANONYMOUS_NAME) == 0)
-    setString(&leveldir_new->name, leveldir_new->filename);
-#else
   if (strcmp(leveldir_new->name, ANONYMOUS_NAME) == 0)
-  {
-    free(leveldir_new->name);
-    leveldir_new->name = getStringCopy(leveldir_new->filename);
-  }
-#endif
+    setString(&leveldir_new->name, leveldir_new->subdir);
 
   DrawInitText(leveldir_new->name, 150, FC_YELLOW);
 
   if (leveldir_new->identifier == NULL)
-    leveldir_new->identifier = getStringCopy(leveldir_new->filename);
+    leveldir_new->identifier = getStringCopy(leveldir_new->subdir);
 
   if (leveldir_new->name_sorting == NULL)
     leveldir_new->name_sorting = getStringCopy(leveldir_new->name);
@@ -1958,7 +2077,7 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
   if (node_parent == NULL)             /* top level group */
   {
     leveldir_new->basepath = getStringCopy(level_directory);
-    leveldir_new->fullpath = getStringCopy(leveldir_new->filename);
+    leveldir_new->fullpath = getStringCopy(leveldir_new->subdir);
   }
   else                                 /* sub level group */
   {
@@ -1966,31 +2085,54 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
     leveldir_new->fullpath = getPath2(node_parent->fullpath, directory_name);
   }
 
+#if 0
   if (leveldir_new->levels < 1)
     leveldir_new->levels = 1;
+#endif
 
   leveldir_new->last_level =
     leveldir_new->first_level + leveldir_new->levels - 1;
 
-#if 1
-  leveldir_new->user_defined =
+  leveldir_new->in_user_dir =
     (strcmp(leveldir_new->basepath, options.level_directory) != 0);
-#else
+
+  /* adjust some settings if user's private level directory was detected */
+  if (leveldir_new->sort_priority == LEVELCLASS_UNDEFINED &&
+      leveldir_new->in_user_dir &&
+      (strcmp(leveldir_new->subdir, getLoginName()) == 0 ||
+       strcmp(leveldir_new->name,   getLoginName()) == 0 ||
+       strcmp(leveldir_new->author, getRealName())  == 0))
+  {
+    leveldir_new->sort_priority = LEVELCLASS_PRIVATE_START;
+    leveldir_new->readonly = FALSE;
+  }
+
   leveldir_new->user_defined =
-    (leveldir_new->basepath == options.level_directory ? FALSE : TRUE);
-#endif
+    (leveldir_new->in_user_dir && IS_LEVELCLASS_PRIVATE(leveldir_new));
 
   leveldir_new->color = LEVELCOLOR(leveldir_new);
-#if 1
+
   setString(&leveldir_new->class_desc, getLevelClassDescription(leveldir_new));
-#else
-  leveldir_new->class_desc = getLevelClassDescription(leveldir_new);
-#endif
 
   leveldir_new->handicap_level =       /* set handicap to default value */
-    (leveldir_new->user_defined ?
-     leveldir_new->last_level :
-     leveldir_new->first_level);
+    (leveldir_new->user_defined || !leveldir_new->handicap ?
+     leveldir_new->last_level : leveldir_new->first_level);
+
+#if 0
+  /* !!! don't skip sets without levels (else artwork base sets are missing) */
+#if 1
+  if (leveldir_new->levels < 1 && !leveldir_new->level_group)
+  {
+    /* skip level sets without levels (which are probably artwork base sets) */
+
+    freeSetupFileHash(setup_file_hash);
+    free(directory_path);
+    free(filename);
+
+    return FALSE;
+  }
+#endif
+#endif
 
   pushTreeInfo(node_first, leveldir_new);
 
@@ -2062,7 +2204,8 @@ static void LoadLevelInfoFromLevelDir(TreeInfo **node_first,
 
   closedir(dir);
 
-  if (!valid_entry_found)
+  /* special case: top level directory may directly contain "levelinfo.conf" */
+  if (node_parent == NULL && !valid_entry_found)
   {
     /* check if this directory directly contains a file "levelinfo.conf" */
     valid_entry_found |= LoadLevelInfoFromLevelConf(node_first, node_parent,
@@ -2074,6 +2217,25 @@ static void LoadLevelInfoFromLevelDir(TreeInfo **node_first,
          level_directory);
 }
 
+boolean AdjustGraphicsForEMC()
+{
+  boolean settings_changed = FALSE;
+
+#if 1
+  printf("::: AdjustGraphicsForEMC()\n");
+
+  settings_changed |= adjustTreeGraphics(leveldir_first_all);
+  settings_changed |= adjustTreeGraphics(leveldir_first);
+
+  if (leveldir_current)
+    printf("::: X -> '%s'\n", leveldir_current->graphics_set);
+  else
+    printf("::: X (leveldir_current == NULL)\n");
+#endif
+
+  return settings_changed;
+}
+
 void LoadLevelInfo()
 {
   InitUserLevelDirectory(getLoginName());
@@ -2083,6 +2245,17 @@ void LoadLevelInfo()
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, options.level_directory);
   LoadLevelInfoFromLevelDir(&leveldir_first, NULL, getUserLevelDir(NULL));
 
+#if 1
+  /* after loading all level set information, clone the level directory tree
+     and remove all level sets without levels (these may still contain artwork
+     to be offered in the setup menu as "custom artwork", and are therefore
+     checked for existing artwork in the function "LoadLevelArtworkInfo()") */
+  leveldir_first_all = leveldir_first;
+  cloneTree(&leveldir_first, leveldir_first_all, TRUE);
+#endif
+
+  AdjustGraphicsForEMC();
+
   /* before sorting, the first entries will be from the user directory */
   leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
 
@@ -2107,7 +2280,11 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
   TreeInfo *artwork_new = NULL;
   int i;
 
-  if (access(filename, F_OK) == 0)             /* file exists */
+#if 0
+  printf("::: CHECKING FOR CONFIG FILE '%s'\n", filename);
+#endif
+
+  if (fileExists(filename))
     setup_file_hash = loadSetupFileHash(filename);
 
   if (setup_file_hash == NULL) /* no config file -- look for artwork files */
@@ -2151,12 +2328,12 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
   else
     setTreeInfoToDefaults(artwork_new, type);
 
-  artwork_new->filename = getStringCopy(directory_name);
+  artwork_new->subdir = getStringCopy(directory_name);
 
   if (setup_file_hash) /* (before defining ".color" and ".class_desc") */
   {
 #if 0
-    checkSetupFileHashIdentifier(setup_file_hash, getCookie("..."));
+    checkSetupFileHashIdentifier(setup_file_hash, filename, getCookie("..."));
 #endif
 
     /* set all structure fields according to the token/value pairs */
@@ -2166,23 +2343,15 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
                   getHashEntry(setup_file_hash, levelinfo_tokens[i].text));
     *artwork_new = ldi;
 
-#if 1
-    if (strcmp(artwork_new->name, ANONYMOUS_NAME) == 0)
-      setString(&artwork_new->name, artwork_new->filename);
-#else
     if (strcmp(artwork_new->name, ANONYMOUS_NAME) == 0)
-    {
-      free(artwork_new->name);
-      artwork_new->name = getStringCopy(artwork_new->filename);
-    }
-#endif
+      setString(&artwork_new->name, artwork_new->subdir);
 
 #if 0
     DrawInitText(artwork_new->name, 150, FC_YELLOW);
 #endif
 
     if (artwork_new->identifier == NULL)
-      artwork_new->identifier = getStringCopy(artwork_new->filename);
+      artwork_new->identifier = getStringCopy(artwork_new->subdir);
 
     if (artwork_new->name_sorting == NULL)
       artwork_new->name_sorting = getStringCopy(artwork_new->name);
@@ -2191,7 +2360,7 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
   if (node_parent == NULL)             /* top level group */
   {
     artwork_new->basepath = getStringCopy(base_directory);
-    artwork_new->fullpath = getStringCopy(artwork_new->filename);
+    artwork_new->fullpath = getStringCopy(artwork_new->subdir);
   }
   else                                 /* sub level group */
   {
@@ -2199,86 +2368,42 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
     artwork_new->fullpath = getPath2(node_parent->fullpath, directory_name);
   }
 
-#if 1
-  artwork_new->user_defined =
+  artwork_new->in_user_dir =
     (strcmp(artwork_new->basepath, OPTIONS_ARTWORK_DIRECTORY(type)) != 0);
-#else
-  artwork_new->user_defined =
-    (artwork_new->basepath == OPTIONS_ARTWORK_DIRECTORY(type) ? FALSE : TRUE);
-#endif
 
   /* (may use ".sort_priority" from "setup_file_hash" above) */
   artwork_new->color = ARTWORKCOLOR(artwork_new);
-#if 1
+
   setString(&artwork_new->class_desc, getLevelClassDescription(artwork_new));
-#else
-  artwork_new->class_desc = getLevelClassDescription(artwork_new);
-#endif
 
   if (setup_file_hash == NULL) /* (after determining ".user_defined") */
   {
-#if 0
-    if (artwork_new->name != NULL)
-    {
-      free(artwork_new->name);
-      artwork_new->name = NULL;
-    }
-#endif
-
-#if 0
-    if (artwork_new->identifier != NULL)
-    {
-      free(artwork_new->identifier);
-      artwork_new->identifier = NULL;
-    }
-#endif
-
-    if (strcmp(artwork_new->filename, ".") == 0)
+    if (strcmp(artwork_new->subdir, ".") == 0)
     {
       if (artwork_new->user_defined)
       {
-#if 1
        setString(&artwork_new->identifier, "private");
-#else
-       artwork_new->identifier = getStringCopy("private");
-#endif
        artwork_new->sort_priority = ARTWORKCLASS_PRIVATE;
       }
       else
       {
-#if 1
        setString(&artwork_new->identifier, "classic");
-#else
-       artwork_new->identifier = getStringCopy("classic");
-#endif
        artwork_new->sort_priority = ARTWORKCLASS_CLASSICS;
       }
 
       /* set to new values after changing ".sort_priority" */
       artwork_new->color = ARTWORKCOLOR(artwork_new);
-#if 1
+
       setString(&artwork_new->class_desc,
                getLevelClassDescription(artwork_new));
-#else
-      artwork_new->class_desc = getLevelClassDescription(artwork_new);
-#endif
     }
     else
     {
-#if 1
-      setString(&artwork_new->identifier, artwork_new->filename);
-#else
-      artwork_new->identifier = getStringCopy(artwork_new->filename);
-#endif
+      setString(&artwork_new->identifier, artwork_new->subdir);
     }
 
-#if 1
     setString(&artwork_new->name, artwork_new->identifier);
     setString(&artwork_new->name_sorting, artwork_new->name);
-#else
-    artwork_new->name = getStringCopy(artwork_new->identifier);
-    artwork_new->name_sorting = getStringCopy(artwork_new->name);
-#endif
   }
 
   DrawInitText(artwork_new->name, 150, FC_YELLOW);
@@ -2301,10 +2426,16 @@ static void LoadArtworkInfoFromArtworkDir(TreeInfo **node_first,
   struct dirent *dir_entry;
   boolean valid_entry_found = FALSE;
 
+#if 0
+  printf("::: CHECKING BASE DIR '%s'\n", base_directory);
+#endif
+
   if ((dir = opendir(base_directory)) == NULL)
   {
+    /* display error if directory is main "options.graphics_directory" etc. */
     if (base_directory == OPTIONS_ARTWORK_DIRECTORY(type))
       Error(ERR_WARN, "cannot read directory '%s'", base_directory);
+
     return;
   }
 
@@ -2314,7 +2445,7 @@ static void LoadArtworkInfoFromArtworkDir(TreeInfo **node_first,
     char *directory_name = dir_entry->d_name;
     char *directory_path = getPath2(base_directory, directory_name);
 
-    /* skip entries for current and parent directory */
+    /* skip directory entries for current and parent directory */
     if (strcmp(directory_name, ".")  == 0 ||
        strcmp(directory_name, "..") == 0)
     {
@@ -2322,7 +2453,7 @@ static void LoadArtworkInfoFromArtworkDir(TreeInfo **node_first,
       continue;
     }
 
-    /* find out if directory entry is itself a directory */
+    /* skip directory entries which are not a directory or are not accessible */
     if (stat(directory_path, &file_status) != 0 ||     /* cannot stat file */
        (file_status.st_mode & S_IFMT) != S_IFDIR)      /* not a directory */
     {
@@ -2333,7 +2464,7 @@ static void LoadArtworkInfoFromArtworkDir(TreeInfo **node_first,
     free(directory_path);
 
     /* check if this directory contains artwork with or without config file */
-    valid_entry_found |= LoadArtworkInfoFromArtworkConf(node_first,node_parent,
+    valid_entry_found |= LoadArtworkInfoFromArtworkConf(node_first, node_parent,
                                                        base_directory,
                                                        directory_name, type);
   }
@@ -2341,7 +2472,7 @@ static void LoadArtworkInfoFromArtworkDir(TreeInfo **node_first,
   closedir(dir);
 
   /* check if this directory directly contains artwork itself */
-  valid_entry_found |= LoadArtworkInfoFromArtworkConf(node_first,node_parent,
+  valid_entry_found |= LoadArtworkInfoFromArtworkConf(node_first, node_parent,
                                                      base_directory, ".",
                                                      type);
   if (!valid_entry_found)
@@ -2356,26 +2487,13 @@ static TreeInfo *getDummyArtworkInfo(int type)
 
   setTreeInfoToDefaults(artwork_new, type);
 
-#if 1
-  setString(&artwork_new->filename, UNDEFINED_FILENAME);
+  setString(&artwork_new->subdir,   UNDEFINED_FILENAME);
   setString(&artwork_new->fullpath, UNDEFINED_FILENAME);
   setString(&artwork_new->basepath, UNDEFINED_FILENAME);
 
   setString(&artwork_new->identifier,   UNDEFINED_FILENAME);
   setString(&artwork_new->name,         UNDEFINED_FILENAME);
   setString(&artwork_new->name_sorting, UNDEFINED_FILENAME);
-#else
-  artwork_new->filename = getStringCopy(UNDEFINED_FILENAME);
-  artwork_new->fullpath = getStringCopy(UNDEFINED_FILENAME);
-  artwork_new->basepath = getStringCopy(UNDEFINED_FILENAME);
-
-  if (artwork_new->name != NULL)
-    free(artwork_new->name);
-
-  artwork_new->identifier   = getStringCopy(UNDEFINED_FILENAME);
-  artwork_new->name         = getStringCopy(UNDEFINED_FILENAME);
-  artwork_new->name_sorting = getStringCopy(UNDEFINED_FILENAME);
-#endif
 
   return artwork_new;
 }
@@ -2458,6 +2576,36 @@ void LoadArtworkInfo()
 #endif
 }
 
+void LoadArtworkInfoFromLevelNode(ArtworkDirTree **artwork_node,
+                                 LevelDirTree *level_node,
+                                 char *artwork_directory)
+{
+  TreeInfo *topnode_last = *artwork_node;
+  char *path = getPath2(getLevelDirFromTreeInfo(level_node), artwork_directory);
+
+#if 1
+  printf("::: CHECKING '%s' ...\n", path);
+#endif
+
+  LoadArtworkInfoFromArtworkDir(artwork_node, NULL, path,(*artwork_node)->type);
+
+  if (topnode_last != *artwork_node)
+  {
+    free((*artwork_node)->identifier);
+    free((*artwork_node)->name);
+    free((*artwork_node)->name_sorting);
+
+    (*artwork_node)->identifier   = getStringCopy(level_node->subdir);
+    (*artwork_node)->name         = getStringCopy(level_node->name);
+    (*artwork_node)->name_sorting = getStringCopy(level_node->name);
+
+    (*artwork_node)->sort_priority = level_node->sort_priority;
+    (*artwork_node)->color = LEVELCOLOR((*artwork_node));
+  }
+
+  free(path);
+}
+
 void LoadArtworkInfoFromLevelInfo(ArtworkDirTree **artwork_node,
                                  LevelDirTree *level_node)
 {
@@ -2465,18 +2613,34 @@ void LoadArtworkInfoFromLevelInfo(ArtworkDirTree **artwork_node,
 
   while (level_node)
   {
-    char *path = getPath2(getLevelDirFromTreeInfo(level_node),
-                         ARTWORK_DIRECTORY((*artwork_node)->type));
-
-#if 0
-    if (!level_node->parent_link)
-      printf("CHECKING '%s' ['%s', '%s'] ...\n", path,
-            level_node->filename, level_node->name);
-#endif
-
+    /* check all tree entries for artwork, but skip parent link entries */
     if (!level_node->parent_link)
     {
+#if 1
+      struct
+      {
+       int type;
+       char *dir;
+      }
+      artwork_type_dirs[] =
+      {
+       { ARTWORK_TYPE_GRAPHICS,        GRAPHICS_DIRECTORY      },
+       { ARTWORK_TYPE_GRAPHICS,        GRAPHICS_ECS_DIRECTORY  },
+       { ARTWORK_TYPE_GRAPHICS,        GRAPHICS_AGA_DIRECTORY  },
+       { ARTWORK_TYPE_SOUNDS,          SOUNDS_DIRECTORY        },
+       { ARTWORK_TYPE_MUSIC,           MUSIC_DIRECTORY         },
+       { -1,                           NULL                    }
+      };
+      int i;
+
+      for (i = 0; artwork_type_dirs[i].type != -1; i++)
+       if ((*artwork_node)->type == artwork_type_dirs[i].type)
+         LoadArtworkInfoFromLevelNode(artwork_node, level_node,
+                                      artwork_type_dirs[i].dir);
+#else
       TreeInfo *topnode_last = *artwork_node;
+      char *path = getPath2(getLevelDirFromTreeInfo(level_node),
+                           ARTWORK_DIRECTORY((*artwork_node)->type));
 
       LoadArtworkInfoFromArtworkDir(artwork_node, NULL, path,
                                    (*artwork_node)->type);
@@ -2487,16 +2651,17 @@ void LoadArtworkInfoFromLevelInfo(ArtworkDirTree **artwork_node,
        free((*artwork_node)->name);
        free((*artwork_node)->name_sorting);
 
-       (*artwork_node)->identifier   = getStringCopy(level_node->filename);
+       (*artwork_node)->identifier   = getStringCopy(level_node->subdir);
        (*artwork_node)->name         = getStringCopy(level_node->name);
        (*artwork_node)->name_sorting = getStringCopy(level_node->name);
 
        (*artwork_node)->sort_priority = level_node->sort_priority;
        (*artwork_node)->color = LEVELCOLOR((*artwork_node));
       }
-    }
 
-    free(path);
+      free(path);
+#endif
+    }
 
     if (level_node->node_group != NULL)
       LoadArtworkInfoFromLevelInfo(artwork_node, level_node->node_group);
@@ -2509,9 +2674,9 @@ void LoadLevelArtworkInfo()
 {
   DrawInitText("Looking for custom level artwork:", 120, FC_GREEN);
 
-  LoadArtworkInfoFromLevelInfo(&artwork.gfx_first, leveldir_first);
-  LoadArtworkInfoFromLevelInfo(&artwork.snd_first, leveldir_first);
-  LoadArtworkInfoFromLevelInfo(&artwork.mus_first, leveldir_first);
+  LoadArtworkInfoFromLevelInfo(&artwork.gfx_first, leveldir_first_all);
+  LoadArtworkInfoFromLevelInfo(&artwork.snd_first, leveldir_first_all);
+  LoadArtworkInfoFromLevelInfo(&artwork.mus_first, leveldir_first_all);
 
   /* needed for reloading level artwork not known at ealier stage */
 
@@ -2580,38 +2745,32 @@ static void SaveUserLevelInfo()
   /* always start with reliable default values */
   setTreeInfoToDefaults(level_info, TREE_TYPE_LEVEL_DIR);
 
-#if 1
   setString(&level_info->name, getLoginName());
   setString(&level_info->author, getRealName());
   level_info->levels = 100;
   level_info->first_level = 1;
-  level_info->sort_priority = LEVELCLASS_PRIVATE_START;
-  level_info->readonly = FALSE;
-  setString(&level_info->graphics_set, GFX_CLASSIC_SUBDIR);
-  setString(&level_info->sounds_set,   SND_CLASSIC_SUBDIR);
-  setString(&level_info->music_set,    MUS_CLASSIC_SUBDIR);
-#else
-  ldi.name = getStringCopy(getLoginName());
-  ldi.author = getStringCopy(getRealName());
-  ldi.levels = 100;
-  ldi.first_level = 1;
-  ldi.sort_priority = LEVELCLASS_PRIVATE_START;
-  ldi.readonly = FALSE;
-  ldi.graphics_set = getStringCopy(GFX_CLASSIC_SUBDIR);
-  ldi.sounds_set = getStringCopy(SND_CLASSIC_SUBDIR);
-  ldi.music_set = getStringCopy(MUS_CLASSIC_SUBDIR);
-#endif
+
+  token_value_position = TOKEN_VALUE_POSITION_SHORT;
 
   fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
                                                 getCookie("LEVELINFO")));
 
   ldi = *level_info;
   for (i = 0; i < NUM_LEVELINFO_TOKENS; i++)
-    if (i != LEVELINFO_TOKEN_IDENTIFIER &&
-       i != LEVELINFO_TOKEN_NAME_SORTING &&
-       i != LEVELINFO_TOKEN_IMPORTED_FROM)
+  {
+    if (i == LEVELINFO_TOKEN_NAME ||
+       i == LEVELINFO_TOKEN_AUTHOR ||
+       i == LEVELINFO_TOKEN_LEVELS ||
+       i == LEVELINFO_TOKEN_FIRST_LEVEL)
       fprintf(file, "%s\n", getSetupLine(levelinfo_tokens, "", i));
 
+    /* just to make things nicer :) */
+    if (i == LEVELINFO_TOKEN_AUTHOR)
+      fprintf(file, "\n");     
+  }
+
+  token_value_position = TOKEN_VALUE_POSITION_DEFAULT;
+
   fclose(file);
 
   SetFilePermissions(filename, PERMS_PRIVATE);
@@ -2641,6 +2800,10 @@ char *getSetupValue(int type, void *value)
       strcpy(value_string, (*(boolean *)value ? "yes" : "no"));
       break;
 
+    case TYPE_ECS_AGA:
+      strcpy(value_string, (*(boolean *)value ? "AGA" : "ECS"));
+      break;
+
     case TYPE_KEY:
       strcpy(value_string, getKeyNameFromKey(*(Key *)value));
       break;
@@ -2662,6 +2825,9 @@ char *getSetupValue(int type, void *value)
       break;
   }
 
+  if (type & TYPE_GHOSTED)
+    strcpy(value_string, "n/a");
+
   return value_string;
 }
 
@@ -2692,7 +2858,7 @@ char *getSetupLine(struct TokenInfo *token_info, char *prefix, int token_nr)
     {
       /* add at least one whitespace */
       strcat(line, " ");
-      for (i = strlen(line); i < TOKEN_COMMENT_POSITION; i++)
+      for (i = strlen(line); i < token_comment_position; i++)
        strcat(line, " ");
 
       strcat(line, "# ");
@@ -2725,7 +2891,8 @@ void LoadLevelSetup_LastSeries()
     if (leveldir_current == NULL)
       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
 
-    checkSetupFileHashIdentifier(level_setup_hash, getCookie("LEVELSETUP"));
+    checkSetupFileHashIdentifier(level_setup_hash, filename,
+                                getCookie("LEVELSETUP"));
 
     freeSetupFileHash(level_setup_hash);
   }
@@ -2742,7 +2909,7 @@ void SaveLevelSetup_LastSeries()
   /* ----------------------------------------------------------------------- */
 
   char *filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
-  char *level_subdir = leveldir_current->filename;
+  char *level_subdir = leveldir_current->subdir;
   FILE *file;
 
   InitUserDataDirectory();
@@ -2774,7 +2941,7 @@ static void checkSeriesInfo()
 
   /* check for more levels besides the 'levels' field of 'levelinfo.conf' */
 
-  level_directory = getPath2((leveldir_current->user_defined ?
+  level_directory = getPath2((leveldir_current->in_user_dir ?
                              getUserLevelDir(NULL) :
                              options.level_directory),
                             leveldir_current->fullpath);
@@ -2821,7 +2988,7 @@ void LoadLevelSetup_SeriesInfo()
 {
   char *filename;
   SetupFileHash *level_setup_hash = NULL;
-  char *level_subdir = leveldir_current->filename;
+  char *level_subdir = leveldir_current->subdir;
 
   /* always start with reliable default values */
   level_nr = leveldir_current->first_level;
@@ -2832,7 +2999,7 @@ void LoadLevelSetup_SeriesInfo()
   /* ~/.<program>/levelsetup/<level series>/levelsetup.conf                  */
   /* ----------------------------------------------------------------------- */
 
-  level_subdir = leveldir_current->filename;
+  level_subdir = leveldir_current->subdir;
 
   filename = getPath2(getLevelSetupDir(level_subdir), LEVELSETUP_FILENAME);
 
@@ -2863,13 +3030,14 @@ void LoadLevelSetup_SeriesInfo()
       if (level_nr > leveldir_current->last_level + 1)
        level_nr = leveldir_current->last_level;
 
-      if (leveldir_current->user_defined)
+      if (leveldir_current->user_defined || !leveldir_current->handicap)
        level_nr = leveldir_current->last_level;
 
       leveldir_current->handicap_level = level_nr;
     }
 
-    checkSetupFileHashIdentifier(level_setup_hash, getCookie("LEVELSETUP"));
+    checkSetupFileHashIdentifier(level_setup_hash, filename,
+                                getCookie("LEVELSETUP"));
 
     freeSetupFileHash(level_setup_hash);
   }
@@ -2882,7 +3050,7 @@ void LoadLevelSetup_SeriesInfo()
 void SaveLevelSetup_SeriesInfo()
 {
   char *filename;
-  char *level_subdir = leveldir_current->filename;
+  char *level_subdir = leveldir_current->subdir;
   char *level_nr_str = int2str(level_nr, 0);
   char *handicap_level_str = int2str(leveldir_current->handicap_level, 0);
   FILE *file;