rnd-20030428-1-src
[rocksndiamonds.git] / src / libgame / setup.c
index f140d8fdd8a6b189379a83f0c0fbf75267dea17c..102d5fd13d92d0bd7fa1fa0ca494d7ecbe34994b 100644 (file)
@@ -21,6 +21,7 @@
 #include "joystick.h"
 #include "text.h"
 #include "misc.h"
+#include "hash.h"
 
 /* file names and filename extensions */
 #if !defined(PLATFORM_MSDOS)
@@ -170,7 +171,7 @@ static char *getTapeDir(char *level_subdir)
 static char *getScoreDir(char *level_subdir)
 {
   static char *score_dir = NULL;
-  char *data_dir = options.rw_base_directory;
+  char *data_dir = getCommonDataDir();
   char *score_subdir = SCORES_DIRECTORY;
 
   if (score_dir)
@@ -341,13 +342,13 @@ static char *getLevelArtworkDir(int type)
   char *artwork_path;
 
   if (leveldir_current == NULL)
-    return NOT_AVAILABLE;
+    return UNDEFINED_FILENAME;
 
   artwork_path =
     (type == TREE_TYPE_GRAPHICS_DIR ? leveldir_current->graphics_path :
      type == TREE_TYPE_SOUNDS_DIR   ? leveldir_current->sounds_path :
      type == TREE_TYPE_MUSIC_DIR    ? leveldir_current->music_path :
-     NOT_AVAILABLE);
+     UNDEFINED_FILENAME);
 
   return artwork_path;
 }
@@ -408,7 +409,7 @@ char *getSetupFilename()
 
 static char *getCorrectedImageBasename(char *basename)
 {
-  char *result = basename;
+  char *basename_corrected = basename;
 
 #if defined(PLATFORM_MSDOS)
   if (program.filename_prefix != NULL)
@@ -416,20 +417,25 @@ static char *getCorrectedImageBasename(char *basename)
     int prefix_len = strlen(program.filename_prefix);
 
     if (strncmp(basename, program.filename_prefix, prefix_len) == 0)
-      result = &basename[prefix_len];
-  }
-#endif
+      basename_corrected = &basename[prefix_len];
 
-  return result;
-}
+    /* if corrected filename is still longer than standard MS-DOS filename
+       size (8 characters + 1 dot + 3 characters file extension), shorten
+       filename by writing file extension after 8th basename character */
+    if (strlen(basename_corrected) > 8+1+3)
+    {
+      static char *msdos_filename = NULL;
 
-static boolean fileExists(char *filename)
-{
-#if 0
-  printf("checking file '%s'\n", filename);
+      if (msdos_filename != NULL)
+       free(msdos_filename);
+
+      msdos_filename = getStringCopy(basename_corrected);
+      strncpy(&msdos_filename[8], &basename[strlen(basename) - 1+3], 1+3 + 1);
+    }
+  }
 #endif
 
-  return (access(filename, F_OK) == 0);
+  return basename_corrected;
 }
 
 char *getCustomImageFilename(char *basename)
@@ -448,10 +454,14 @@ char *getCustomImageFilename(char *basename)
     if (fileExists(filename))
       return filename;
 
+    free(filename);
+
     /* 2nd try: look for special artwork in current level series directory */
     filename = getPath3(getCurrentLevelDir(), GRAPHICS_DIRECTORY, basename);
     if (fileExists(filename))
       return filename;
+
+    free(filename);
   }
 
   /* 3rd try: look for special artwork in configured artwork directory */
@@ -459,11 +469,15 @@ char *getCustomImageFilename(char *basename)
   if (fileExists(filename))
     return filename;
 
+  free(filename);
+
   /* 4th try: look for default artwork in new default artwork directory */
   filename = getPath2(getDefaultGraphicsDir(GRAPHICS_SUBDIR), basename);
   if (fileExists(filename))
     return filename;
 
+  free(filename);
+
   /* 5th try: look for default artwork in old default artwork directory */
   filename = getPath2(options.graphics_directory, basename);
   if (fileExists(filename))
@@ -486,10 +500,14 @@ char *getCustomSoundFilename(char *basename)
     if (fileExists(filename))
       return filename;
 
+    free(filename);
+
     /* 2nd try: look for special artwork in current level series directory */
     filename = getPath3(getCurrentLevelDir(), SOUNDS_DIRECTORY, basename);
     if (fileExists(filename))
       return filename;
+
+    free(filename);
   }
 
   /* 3rd try: look for special artwork in configured artwork directory */
@@ -497,11 +515,15 @@ char *getCustomSoundFilename(char *basename)
   if (fileExists(filename))
     return filename;
 
+  free(filename);
+
   /* 4th try: look for default artwork in new default artwork directory */
   filename = getPath2(getDefaultSoundsDir(SOUNDS_SUBDIR), basename);
   if (fileExists(filename))
     return filename;
 
+  free(filename);
+
   /* 5th try: look for default artwork in old default artwork directory */
   filename = getPath2(options.sounds_directory, basename);
   if (fileExists(filename))
@@ -510,9 +532,19 @@ char *getCustomSoundFilename(char *basename)
   return NULL;         /* cannot find specified artwork file anywhere */
 }
 
-char *getCustomSoundConfigFilename()
+char *getCustomArtworkFilename(char *basename, int type)
+{
+  if (type == ARTWORK_TYPE_GRAPHICS)
+    return getCustomImageFilename(basename);
+  else if (type == ARTWORK_TYPE_SOUNDS)
+    return getCustomSoundFilename(basename);
+  else
+    return UNDEFINED_FILENAME;
+}
+
+char *getCustomArtworkConfigFilename(int type)
 {
-  return getCustomSoundFilename(SOUNDSINFO_FILENAME);
+  return getCustomArtworkFilename(ARTWORKINFO_FILENAME(type), type);
 }
 
 char *getCustomMusicDirectory(void)
@@ -529,10 +561,14 @@ char *getCustomMusicDirectory(void)
     if (fileExists(directory))
       return directory;
 
+    free(directory);
+
     /* 2nd try: look for special artwork in current level series directory */
     directory = getPath2(getCurrentLevelDir(), MUSIC_DIRECTORY);
     if (fileExists(directory))
       return directory;
+
+    free(directory);
   }
 
   /* 3rd try: look for special artwork in configured artwork directory */
@@ -540,11 +576,15 @@ char *getCustomMusicDirectory(void)
   if (fileExists(directory))
     return directory;
 
+  free(directory);
+
   /* 4th try: look for default artwork in new default artwork directory */
   directory = getStringCopy(getDefaultMusicDir(MUSIC_SUBDIR));
   if (fileExists(directory))
     return directory;
 
+  free(directory);
+
   /* 5th try: look for default artwork in old default artwork directory */
   directory = getStringCopy(options.music_directory);
   if (fileExists(directory))
@@ -562,6 +602,7 @@ void InitTapeDirectory(char *level_subdir)
 
 void InitScoreDirectory(char *level_subdir)
 {
+  createDirectory(getCommonDataDir(), "common data", PERMS_PUBLIC);
   createDirectory(getScoreDir(NULL), "main score", PERMS_PUBLIC);
   createDirectory(getScoreDir(level_subdir), "level score", PERMS_PUBLIC);
 }
@@ -837,15 +878,33 @@ char *getUserDataDir(void)
 {
   static char *userdata_dir = NULL;
 
-  if (!userdata_dir)
+  if (userdata_dir == NULL)
+    userdata_dir = getPath2(getHomeDir(), program.userdata_directory);
+
+  return userdata_dir;
+}
+
+char *getCommonDataDir(void)
+{
+  static char *common_data_dir = NULL;
+
+#if defined(PLATFORM_WIN32)
+  if (common_data_dir == NULL)
   {
-    char *home_dir = getHomeDir();
-    char *data_dir = program.userdata_directory;
+    char *dir = checked_malloc(MAX_PATH + 1);
 
-    userdata_dir = getPath2(home_dir, data_dir);
+    if (SUCCEEDED(SHGetFolderPath(NULL, CSIDL_COMMON_DOCUMENTS, NULL, 0, dir))
+       && strcmp(dir, "") != 0)        /* empty for Windows 95/98 */
+      common_data_dir = getPath2(dir, program.userdata_directory);
+    else
+      common_data_dir = options.rw_base_directory;
   }
+#else
+  if (common_data_dir == NULL)
+    common_data_dir = options.rw_base_directory;
+#endif
 
-  return userdata_dir;
+  return common_data_dir;
 }
 
 char *getSetupDir()
@@ -962,158 +1021,206 @@ boolean checkCookieString(const char *cookie, const char *template)
 }
 
 /* ------------------------------------------------------------------------- */
-/* setup file list handling functions                                        */
+/* setup file list and hash handling functions                               */
 /* ------------------------------------------------------------------------- */
 
-int get_string_integer_value(char *s)
+char *getFormattedSetupEntry(char *token, char *value)
 {
-  static char *number_text[][3] =
-  {
-    { "0", "zero", "null", },
-    { "1", "one", "first" },
-    { "2", "two", "second" },
-    { "3", "three", "third" },
-    { "4", "four", "fourth" },
-    { "5", "five", "fifth" },
-    { "6", "six", "sixth" },
-    { "7", "seven", "seventh" },
-    { "8", "eight", "eighth" },
-    { "9", "nine", "ninth" },
-    { "10", "ten", "tenth" },
-    { "11", "eleven", "eleventh" },
-    { "12", "twelve", "twelfth" },
-  };
+  int i;
+  static char entry[MAX_LINE_LEN];
 
-  int i, j;
-  char *s_lower = getStringToLower(s);
-  int result = -1;
+  /* start with the token and some spaces to format output line */
+  sprintf(entry, "%s:", token);
+  for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
+    strcat(entry, " ");
 
-  for (i=0; i<13; i++)
-    for (j=0; j<3; j++)
-      if (strcmp(s_lower, number_text[i][j]) == 0)
-       result = i;
+  /* continue with the token's value */
+  strcat(entry, value);
 
-  if (result == -1)
-    result = atoi(s);
+  return entry;
+}
+
+SetupFileList *newSetupFileList(char *token, char *value)
+{
+  SetupFileList *new = checked_malloc(sizeof(SetupFileList));
 
-  free(s_lower);
+  new->token = getStringCopy(token);
+  new->value = getStringCopy(value);
+
+  new->next = NULL;
 
-  return result;
+  return new;
 }
 
-boolean get_string_boolean_value(char *s)
+void freeSetupFileList(SetupFileList *list)
 {
-  char *s_lower = getStringToLower(s);
-  boolean result = FALSE;
+  if (list == NULL)
+    return;
 
-  if (strcmp(s_lower, "true") == 0 ||
-      strcmp(s_lower, "yes") == 0 ||
-      strcmp(s_lower, "on") == 0 ||
-      get_string_integer_value(s) == 1)
-    result = TRUE;
+  if (list->token)
+    free(list->token);
+  if (list->value)
+    free(list->value);
+  if (list->next)
+    freeSetupFileList(list->next);
+  free(list);
+}
 
-  free(s_lower);
+char *getListEntry(SetupFileList *list, char *token)
+{
+  if (list == NULL)
+    return NULL;
 
-  return result;
+  if (strcmp(list->token, token) == 0)
+    return list->value;
+  else
+    return getListEntry(list->next, token);
 }
 
-char *getFormattedSetupEntry(char *token, char *value)
+void setListEntry(SetupFileList *list, char *token, char *value)
 {
-  int i;
-  static char entry[MAX_LINE_LEN];
-
-  /* start with the token and some spaces to format output line */
-  sprintf(entry, "%s:", token);
-  for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
-    strcat(entry, " ");
+  if (list == NULL)
+    return;
 
-  /* continue with the token's value */
-  strcat(entry, value);
+  if (strcmp(list->token, token) == 0)
+  {
+    if (list->value)
+      free(list->value);
 
-  return entry;
+    list->value = getStringCopy(value);
+  }
+  else if (list->next == NULL)
+    list->next = newSetupFileList(token, value);
+  else
+    setListEntry(list->next, token, value);
 }
 
-void freeSetupFileList(struct SetupFileList *setup_file_list)
+#ifdef DEBUG
+static void printSetupFileList(SetupFileList *list)
 {
-  if (!setup_file_list)
+  if (!list)
     return;
 
-  if (setup_file_list->token)
-    free(setup_file_list->token);
-  if (setup_file_list->value)
-    free(setup_file_list->value);
-  if (setup_file_list->next)
-    freeSetupFileList(setup_file_list->next);
-  free(setup_file_list);
+  printf("token: '%s'\n", list->token);
+  printf("value: '%s'\n", list->value);
+
+  printSetupFileList(list->next);
 }
+#endif
+
+#ifdef DEBUG
+DEFINE_HASHTABLE_INSERT(insert_hash_entry, char, char);
+DEFINE_HASHTABLE_SEARCH(search_hash_entry, char, char);
+DEFINE_HASHTABLE_CHANGE(change_hash_entry, char, char);
+DEFINE_HASHTABLE_REMOVE(remove_hash_entry, char, char);
+#else
+#define insert_hash_entry hashtable_insert
+#define search_hash_entry hashtable_search
+#define change_hash_entry hashtable_change
+#define remove_hash_entry hashtable_remove
+#endif
 
-static struct SetupFileList *newSetupFileList(char *token, char *value)
+static unsigned int get_hash_from_key(void *key)
 {
-  struct SetupFileList *new = checked_malloc(sizeof(struct SetupFileList));
+  /*
+    djb2
 
-  new->token = checked_malloc(strlen(token) + 1);
-  strcpy(new->token, token);
+    This algorithm (k=33) was first reported by Dan Bernstein many years ago in
+    'comp.lang.c'. Another version of this algorithm (now favored by Bernstein)
+    uses XOR: hash(i) = hash(i - 1) * 33 ^ str[i]; the magic of number 33 (why
+    it works better than many other constants, prime or not) has never been
+    adequately explained.
 
-  new->value = checked_malloc(strlen(value) + 1);
-  strcpy(new->value, value);
+    If you just want to have a good hash function, and cannot wait, djb2
+    is one of the best string hash functions i know. It has excellent
+    distribution and speed on many different sets of keys and table sizes.
+    You are not likely to do better with one of the "well known" functions
+    such as PJW, K&R, etc.
 
-  new->next = NULL;
+    Ozan (oz) Yigit [http://www.cs.yorku.ca/~oz/hash.html]
+  */
 
-  return new;
+  char *str = (char *)key;
+  unsigned int hash = 5381;
+  int c;
+
+  while ((c = *str++))
+    hash = ((hash << 5) + hash) + c;   /* hash * 33 + c */
+
+  return hash;
 }
 
-char *getTokenValue(struct SetupFileList *setup_file_list, char *token)
+static int keys_are_equal(void *key1, void *key2)
 {
-  if (!setup_file_list)
-    return NULL;
+  return (strcmp((char *)key1, (char *)key2) == 0);
+}
 
-  if (strcmp(setup_file_list->token, token) == 0)
-    return setup_file_list->value;
-  else
-    return getTokenValue(setup_file_list->next, token);
+SetupFileHash *newSetupFileHash()
+{
+  SetupFileHash *new_hash =
+    create_hashtable(16, 0.75, get_hash_from_key, keys_are_equal);
+
+  return new_hash;
 }
 
-static void setTokenValue(struct SetupFileList *setup_file_list,
-                         char *token, char *value)
+void freeSetupFileHash(SetupFileHash *hash)
 {
-  if (!setup_file_list)
+  if (hash == NULL)
     return;
 
-  if (strcmp(setup_file_list->token, token) == 0)
-  {
-    free(setup_file_list->value);
-    setup_file_list->value = checked_malloc(strlen(value) + 1);
-    strcpy(setup_file_list->value, value);
-  }
-  else if (setup_file_list->next == NULL)
-    setup_file_list->next = newSetupFileList(token, value);
-  else
-    setTokenValue(setup_file_list->next, token, value);
+  hashtable_destroy(hash, 1);  /* 1 == also free values stored in hash */
 }
 
-#ifdef DEBUG
-static void printSetupFileList(struct SetupFileList *setup_file_list)
+char *getHashEntry(SetupFileHash *hash, char *token)
 {
-  if (!setup_file_list)
+  if (hash == NULL)
+    return NULL;
+
+  return search_hash_entry(hash, token);
+}
+
+void setHashEntry(SetupFileHash *hash, char *token, char *value)
+{
+  char *value_copy;
+
+  if (hash == NULL)
     return;
 
-  printf("token: '%s'\n", setup_file_list->token);
-  printf("value: '%s'\n", setup_file_list->value);
+  value_copy = getStringCopy(value);
+
+  /* change value; if it does not exist, insert it as new */
+  if (!change_hash_entry(hash, token, value_copy))
+    if (!insert_hash_entry(hash, getStringCopy(token), value_copy))
+      Error(ERR_EXIT, "cannot insert into hash -- aborting");
+}
 
-  printSetupFileList(setup_file_list->next);
+#if 0
+#ifdef DEBUG
+static void printSetupFileHash(SetupFileHash *hash)
+{
+  BEGIN_HASH_ITERATION(hash, itr)
+  {
+    printf("token: '%s'\n", HASH_ITERATION_TOKEN(itr));
+    printf("value: '%s'\n", HASH_ITERATION_VALUE(itr));
+  }
+  END_HASH_ITERATION(hash, itr)
 }
 #endif
+#endif
 
-struct SetupFileList *loadSetupFileList(char *filename)
+static void *loadSetupFileData(char *filename, boolean use_hash)
 {
   int line_len;
   char line[MAX_LINE_LEN];
   char *token, *value, *line_ptr;
-  struct SetupFileList *setup_file_list = newSetupFileList("", "");
-  struct SetupFileList *first_valid_list_entry;
-
+  void *setup_file_data;
   FILE *file;
 
+  if (use_hash)
+    setup_file_data = newSetupFileHash();
+  else
+    setup_file_data = newSetupFileList("", "");
+
   if (!(file = fopen(filename, MODE_READ)))
   {
     Error(ERR_WARN, "cannot open configuration file '%s'", filename);
@@ -1173,47 +1280,57 @@ struct SetupFileList *loadSetupFileList(char *filename)
        break;
 
     if (*token && *value)
-      setTokenValue(setup_file_list, token, value);
+    {
+      if (use_hash)
+       setHashEntry((SetupFileHash *)setup_file_data, token, value);
+      else
+       setListEntry((SetupFileList *)setup_file_data, token, value);
+    }
   }
 
   fclose(file);
 
-  first_valid_list_entry = setup_file_list->next;
+  if (use_hash)
+  {
+    if (hashtable_count((SetupFileHash *)setup_file_data) == 0)
+      Error(ERR_WARN, "configuration file '%s' is empty", filename);
+  }
+  else
+  {
+    SetupFileList *setup_file_list = (SetupFileList *)setup_file_data;
+    SetupFileList *first_valid_list_entry = setup_file_list->next;
 
-  /* free empty list header */
-  setup_file_list->next = NULL;
-  freeSetupFileList(setup_file_list);
+    /* free empty list header */
+    setup_file_list->next = NULL;
+    freeSetupFileList(setup_file_list);
+    setup_file_data = first_valid_list_entry;
 
-  if (first_valid_list_entry == NULL)
-    Error(ERR_WARN, "configuration file '%s' is empty", filename);
+    if (first_valid_list_entry == NULL)
+      Error(ERR_WARN, "configuration file '%s' is empty", filename);
+  }
 
-  return first_valid_list_entry;
+  return setup_file_data;
 }
 
-void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
-                                 char *identifier)
+SetupFileList *loadSetupFileList(char *filename)
 {
-  if (!setup_file_list)
-    return;
+  return (SetupFileList *)loadSetupFileData(filename, FALSE);
+}
 
-  if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
-  {
-    if (!checkCookieString(setup_file_list->value, identifier))
-    {
-      Error(ERR_WARN, "configuration file has wrong file identifier");
-      return;
-    }
-    else
-      return;
-  }
+SetupFileHash *loadSetupFileHash(char *filename)
+{
+  return (SetupFileHash *)loadSetupFileData(filename, TRUE);
+}
 
-  if (setup_file_list->next)
-    checkSetupFileListIdentifier(setup_file_list->next, identifier);
-  else
-  {
+void checkSetupFileHashIdentifier(SetupFileHash *setup_file_hash,
+                                 char *identifier)
+{
+  char *value = getHashEntry(setup_file_hash, TOKEN_STR_FILE_IDENTIFIER);
+
+  if (value == NULL)
     Error(ERR_WARN, "configuration file has no file identifier");
-    return;
-  }
+  else if (!checkCookieString(value, identifier))
+    Error(ERR_WARN, "configuration file has wrong file identifier");
 }
 
 
@@ -1299,9 +1416,9 @@ static void setTreeInfoToDefaults(TreeInfo *ldi, int type)
     ldi->graphics_set = NULL;
     ldi->sounds_set = NULL;
     ldi->music_set = NULL;
-    ldi->graphics_path = getStringCopy(NOT_AVAILABLE);
-    ldi->sounds_path = getStringCopy(NOT_AVAILABLE);
-    ldi->music_path = getStringCopy(NOT_AVAILABLE);
+    ldi->graphics_path = getStringCopy(UNDEFINED_FILENAME);
+    ldi->sounds_path = getStringCopy(UNDEFINED_FILENAME);
+    ldi->music_path = getStringCopy(UNDEFINED_FILENAME);
     ldi->levels = 0;
     ldi->first_level = 0;
     ldi->last_level = 0;
@@ -1363,7 +1480,7 @@ void setSetupInfo(struct TokenInfo *token_info,
   {
     case TYPE_BOOLEAN:
     case TYPE_SWITCH:
-      *(boolean *)setup_value = get_string_boolean_value(token_value);
+      *(boolean *)setup_value = get_boolean_from_string(token_value);
       break;
 
     case TYPE_KEY:
@@ -1375,7 +1492,7 @@ void setSetupInfo(struct TokenInfo *token_info,
       break;
 
     case TYPE_INTEGER:
-      *(int *)setup_value = get_string_integer_value(token_value);
+      *(int *)setup_value = get_integer_from_string(token_value);
       break;
 
     case TYPE_STRING:
@@ -1463,11 +1580,11 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
 {
   char *directory_path = getPath2(level_directory, directory_name);
   char *filename = getPath2(directory_path, LEVELINFO_FILENAME);
-  struct SetupFileList *setup_file_list = loadSetupFileList(filename);
+  SetupFileHash *setup_file_hash = loadSetupFileHash(filename);
   LevelDirTree *leveldir_new = NULL;
   int i;
 
-  if (setup_file_list == NULL)
+  if (setup_file_hash == NULL)
   {
     Error(ERR_WARN, "ignoring level directory '%s'", directory_path);
 
@@ -1486,13 +1603,13 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
 
   leveldir_new->filename = getStringCopy(directory_name);
 
-  checkSetupFileListIdentifier(setup_file_list, getCookie("LEVELINFO"));
+  checkSetupFileHashIdentifier(setup_file_hash, getCookie("LEVELINFO"));
 
   /* set all structure fields according to the token/value pairs */
   ldi = *leveldir_new;
   for (i=0; i<NUM_LEVELINFO_TOKENS; i++)
     setSetupInfo(levelinfo_tokens, i,
-                getTokenValue(setup_file_list, levelinfo_tokens[i].text));
+                getHashEntry(setup_file_hash, levelinfo_tokens[i].text));
   *leveldir_new = ldi;
 
   if (strcmp(leveldir_new->name, ANONYMOUS_NAME) == 0)
@@ -1539,7 +1656,7 @@ static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
 
   pushTreeInfo(node_first, leveldir_new);
 
-  freeSetupFileList(setup_file_list);
+  freeSetupFileHash(setup_file_hash);
 
   if (leveldir_new->level_group)
   {
@@ -1648,14 +1765,14 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
 {
   char *directory_path = getPath2(base_directory, directory_name);
   char *filename = getPath2(directory_path, ARTWORKINFO_FILENAME(type));
-  struct SetupFileList *setup_file_list = NULL;
+  SetupFileHash *setup_file_hash = NULL;
   TreeInfo *artwork_new = NULL;
   int i;
 
   if (access(filename, F_OK) == 0)             /* file exists */
-    setup_file_list = loadSetupFileList(filename);
+    setup_file_hash = loadSetupFileHash(filename);
 
-  if (setup_file_list == NULL) /* no config file -- look for artwork files */
+  if (setup_file_hash == NULL) /* no config file -- look for artwork files */
   {
     DIR *dir;
     struct dirent *dir_entry;
@@ -1698,17 +1815,17 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
 
   artwork_new->filename = getStringCopy(directory_name);
 
-  if (setup_file_list) /* (before defining ".color" and ".class_desc") */
+  if (setup_file_hash) /* (before defining ".color" and ".class_desc") */
   {
 #if 0
-    checkSetupFileListIdentifier(setup_file_list, getCookie("..."));
+    checkSetupFileHashIdentifier(setup_file_hash, getCookie("..."));
 #endif
 
     /* set all structure fields according to the token/value pairs */
     ldi = *artwork_new;
     for (i=0; i<NUM_LEVELINFO_TOKENS; i++)
       setSetupInfo(levelinfo_tokens, i,
-                  getTokenValue(setup_file_list, levelinfo_tokens[i].text));
+                  getHashEntry(setup_file_hash, levelinfo_tokens[i].text));
     *artwork_new = ldi;
 
     if (strcmp(artwork_new->name, ANONYMOUS_NAME) == 0)
@@ -1742,11 +1859,11 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
   artwork_new->user_defined =
     (artwork_new->basepath == OPTIONS_ARTWORK_DIRECTORY(type) ? FALSE : TRUE);
 
-  /* (may use ".sort_priority" from "setup_file_list" above) */
+  /* (may use ".sort_priority" from "setup_file_hash" above) */
   artwork_new->color = ARTWORKCOLOR(artwork_new);
   artwork_new->class_desc = getLevelClassDescription(artwork_new);
 
-  if (setup_file_list == NULL) /* (after determining ".user_defined") */
+  if (setup_file_hash == NULL) /* (after determining ".user_defined") */
   {
     if (artwork_new->name != NULL)
       free(artwork_new->name);
@@ -1781,7 +1898,7 @@ static boolean LoadArtworkInfoFromArtworkConf(TreeInfo **node_first,
 
   pushTreeInfo(node_first, artwork_new);
 
-  freeSetupFileList(setup_file_list);
+  freeSetupFileHash(setup_file_hash);
 
   free(directory_path);
   free(filename);
@@ -1852,16 +1969,16 @@ static TreeInfo *getDummyArtworkInfo(int type)
 
   setTreeInfoToDefaults(artwork_new, type);
 
-  artwork_new->filename = getStringCopy(NOT_AVAILABLE);
-  artwork_new->fullpath = getStringCopy(NOT_AVAILABLE);
-  artwork_new->basepath = getStringCopy(NOT_AVAILABLE);
+  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(NOT_AVAILABLE);
-  artwork_new->name         = getStringCopy(NOT_AVAILABLE);
-  artwork_new->name_sorting = getStringCopy(NOT_AVAILABLE);
+  artwork_new->identifier   = getStringCopy(UNDEFINED_FILENAME);
+  artwork_new->name         = getStringCopy(UNDEFINED_FILENAME);
+  artwork_new->name_sorting = getStringCopy(UNDEFINED_FILENAME);
 
   return artwork_new;
 }
@@ -2050,6 +2167,9 @@ static void SaveUserLevelInfo()
   ldi.first_level = 1;
   ldi.sort_priority = LEVELCLASS_USER_START;
   ldi.readonly = FALSE;
+  ldi.graphics_set = getStringCopy(GRAPHICS_SUBDIR);
+  ldi.sounds_set = getStringCopy(SOUNDS_SUBDIR);
+  ldi.music_set = getStringCopy(MUSIC_SUBDIR);
 
   fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
                                                 getCookie("LEVELINFO")));
@@ -2152,7 +2272,7 @@ char *getSetupLine(struct TokenInfo *token_info, char *prefix, int token_nr)
 void LoadLevelSetup_LastSeries()
 {
   char *filename;
-  struct SetupFileList *level_setup_list = NULL;
+  SetupFileHash *level_setup_hash = NULL;
 
   /* always start with reliable default values */
   leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
@@ -2163,19 +2283,19 @@ void LoadLevelSetup_LastSeries()
 
   filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
 
-  if ((level_setup_list = loadSetupFileList(filename)))
+  if ((level_setup_hash = loadSetupFileHash(filename)))
   {
     char *last_level_series =
-      getTokenValue(level_setup_list, TOKEN_STR_LAST_LEVEL_SERIES);
+      getHashEntry(level_setup_hash, TOKEN_STR_LAST_LEVEL_SERIES);
 
     leveldir_current = getTreeInfoFromIdentifier(leveldir_first,
                                                 last_level_series);
     if (leveldir_current == NULL)
       leveldir_current = getFirstValidTreeInfoEntry(leveldir_first);
 
-    checkSetupFileListIdentifier(level_setup_list, getCookie("LEVELSETUP"));
+    checkSetupFileHashIdentifier(level_setup_hash, getCookie("LEVELSETUP"));
 
-    freeSetupFileList(level_setup_list);
+    freeSetupFileHash(level_setup_hash);
   }
   else
     Error(ERR_WARN, "using default setup values");
@@ -2248,6 +2368,7 @@ static void checkSeriesInfo()
 
       levelnum_value = atoi(levelnum_str);
 
+#if 0
       if (levelnum_value < leveldir_current->first_level)
       {
        Error(ERR_WARN, "additional level %d found", levelnum_value);
@@ -2258,6 +2379,7 @@ static void checkSeriesInfo()
        Error(ERR_WARN, "additional level %d found", levelnum_value);
        leveldir_current->last_level = levelnum_value;
       }
+#endif
     }
   }
 
@@ -2267,7 +2389,7 @@ static void checkSeriesInfo()
 void LoadLevelSetup_SeriesInfo()
 {
   char *filename;
-  struct SetupFileList *level_setup_list = NULL;
+  SetupFileHash *level_setup_hash = NULL;
   char *level_subdir = leveldir_current->filename;
 
   /* always start with reliable default values */
@@ -2283,11 +2405,11 @@ void LoadLevelSetup_SeriesInfo()
 
   filename = getPath2(getLevelSetupDir(level_subdir), LEVELSETUP_FILENAME);
 
-  if ((level_setup_list = loadSetupFileList(filename)))
+  if ((level_setup_hash = loadSetupFileHash(filename)))
   {
     char *token_value;
 
-    token_value = getTokenValue(level_setup_list, TOKEN_STR_LAST_PLAYED_LEVEL);
+    token_value = getHashEntry(level_setup_hash, TOKEN_STR_LAST_PLAYED_LEVEL);
 
     if (token_value)
     {
@@ -2299,7 +2421,7 @@ void LoadLevelSetup_SeriesInfo()
        level_nr = leveldir_current->last_level;
     }
 
-    token_value = getTokenValue(level_setup_list, TOKEN_STR_HANDICAP_LEVEL);
+    token_value = getHashEntry(level_setup_hash, TOKEN_STR_HANDICAP_LEVEL);
 
     if (token_value)
     {
@@ -2316,9 +2438,9 @@ void LoadLevelSetup_SeriesInfo()
       leveldir_current->handicap_level = level_nr;
     }
 
-    checkSetupFileListIdentifier(level_setup_list, getCookie("LEVELSETUP"));
+    checkSetupFileHashIdentifier(level_setup_hash, getCookie("LEVELSETUP"));
 
-    freeSetupFileList(level_setup_list);
+    freeSetupFileHash(level_setup_hash);
   }
   else
     Error(ERR_WARN, "using default setup values");