+ char *value = getHashEntry(setup_file_hash, TOKEN_STR_FILE_IDENTIFIER);
+
+ if (value == NULL)
+ Error(ERR_WARN, "configuration file has no file identifier");
+ else if (!checkCookieString(value, identifier))
+ Error(ERR_WARN, "configuration file has wrong file identifier");
+}
+
+
+/* ========================================================================= */
+/* 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"
+
+/* 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_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_SET 12
+#define LEVELINFO_TOKEN_SOUNDS_SET 13
+#define LEVELINFO_TOKEN_MUSIC_SET 14
+#define LEVELINFO_TOKEN_FILENAME 15
+#define LEVELINFO_TOKEN_FILETYPE 16
+#define LEVELINFO_TOKEN_HANDICAP 17
+#define LEVELINFO_TOKEN_SKIP_LEVELS 18
+
+#define NUM_LEVELINFO_TOKENS 19
+
+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_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_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)
+{
+ ldi->type = type;
+
+ ldi->node_top = (ldi->type == TREE_TYPE_LEVEL_DIR ? &leveldir_first :
+ ldi->type == TREE_TYPE_GRAPHICS_DIR ? &artwork.gfx_first :
+ ldi->type == TREE_TYPE_SOUNDS_DIR ? &artwork.snd_first :
+ ldi->type == TREE_TYPE_MUSIC_DIR ? &artwork.mus_first :
+ NULL);
+
+ ldi->node_parent = NULL;
+ ldi->node_group = NULL;
+ ldi->next = NULL;
+
+ ldi->cl_first = -1;
+ ldi->cl_cursor = -1;
+
+ ldi->subdir = NULL;
+ ldi->fullpath = NULL;
+ ldi->basepath = NULL;
+ ldi->identifier = NULL;
+ ldi->name = getStringCopy(ANONYMOUS_NAME);
+ ldi->name_sorting = NULL;
+ ldi->author = getStringCopy(ANONYMOUS_NAME);
+
+ 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;
+
+ if (ldi->type == TREE_TYPE_LEVEL_DIR)
+ {
+ ldi->imported_from = NULL;
+ ldi->imported_by = NULL;
+
+ ldi->graphics_set = NULL;
+ ldi->sounds_set = NULL;
+ ldi->music_set = NULL;
+ ldi->graphics_path = getStringCopy(UNDEFINED_FILENAME);
+ 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;
+ }
+}
+
+static void setTreeInfoToDefaultsFromParent(TreeInfo *ldi, TreeInfo *parent)
+{
+ if (parent == NULL)
+ {
+ Error(ERR_WARN, "setTreeInfoToDefaultsFromParent(): parent == NULL");
+
+ setTreeInfoToDefaults(ldi, TREE_TYPE_UNDEFINED);
+
+ return;
+ }
+
+ /* copy all values from the parent structure */
+
+ ldi->type = parent->type;
+
+ ldi->node_top = parent->node_top;
+ ldi->node_parent = parent;
+ ldi->node_group = NULL;
+ ldi->next = NULL;
+
+ ldi->cl_first = -1;
+ ldi->cl_cursor = -1;
+
+ ldi->subdir = 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->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);
+
+ if (ldi->type == TREE_TYPE_LEVEL_DIR)
+ {
+ ldi->imported_from = getStringCopy(parent->imported_from);
+ ldi->imported_by = getStringCopy(parent->imported_by);
+
+ ldi->graphics_set = NULL;
+ ldi->sounds_set = NULL;
+ ldi->music_set = NULL;
+ ldi->graphics_path = getStringCopy(UNDEFINED_FILENAME);
+ 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;
+ }
+}
+
+static void freeTreeInfo(TreeInfo *ldi)
+{
+ 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)
+ {
+ checked_free(ldi->imported_from);
+ checked_free(ldi->imported_by);
+
+ 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);
+
+ checked_free(ldi->level_filename);
+ checked_free(ldi->level_filetype);
+ }
+}
+
+void setSetupInfo(struct TokenInfo *token_info,
+ int token_nr, char *token_value)
+{
+ int token_type = token_info[token_nr].type;
+ void *setup_value = token_info[token_nr].value;
+
+ if (token_value == NULL)
+ return;
+
+ /* set setup field to corresponding token value */
+ switch (token_type)
+ {
+ case TYPE_BOOLEAN:
+ case TYPE_SWITCH:
+ *(boolean *)setup_value = get_boolean_from_string(token_value);
+ break;
+
+ case TYPE_KEY:
+ *(Key *)setup_value = getKeyFromKeyName(token_value);
+ break;
+
+ case TYPE_KEY_X11:
+ *(Key *)setup_value = getKeyFromX11KeyName(token_value);
+ break;
+
+ case TYPE_INTEGER:
+ *(int *)setup_value = get_integer_from_string(token_value);
+ break;
+
+ case TYPE_STRING:
+ checked_free(*(char **)setup_value);
+ *(char **)setup_value = getStringCopy(token_value);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int compareTreeInfoEntries(const void *object1, const void *object2)
+{
+ const TreeInfo *entry1 = *((TreeInfo **)object1);
+ const TreeInfo *entry2 = *((TreeInfo **)object2);
+ int class_sorting1, class_sorting2;
+ int compare_result;
+
+ if (entry1->type == TREE_TYPE_LEVEL_DIR)
+ {
+ class_sorting1 = LEVELSORTING(entry1);
+ class_sorting2 = LEVELSORTING(entry2);
+ }
+ else
+ {
+ class_sorting1 = ARTWORKSORTING(entry1);
+ class_sorting2 = ARTWORKSORTING(entry2);
+ }
+
+ if (entry1->parent_link || entry2->parent_link)
+ compare_result = (entry1->parent_link ? -1 : +1);
+ else if (entry1->sort_priority == entry2->sort_priority)
+ {
+ char *name1 = getStringToLower(entry1->name_sorting);
+ char *name2 = getStringToLower(entry2->name_sorting);
+
+ compare_result = strcmp(name1, name2);
+
+ free(name1);
+ free(name2);
+ }
+ else if (class_sorting1 == class_sorting2)
+ compare_result = entry1->sort_priority - entry2->sort_priority;
+ else
+ compare_result = class_sorting1 - class_sorting2;
+
+ return compare_result;
+}
+
+static void createParentTreeInfoNode(TreeInfo *node_parent)
+{
+ TreeInfo *ti_new;
+
+ if (node_parent == NULL)
+ return;
+
+ ti_new = newTreeInfo();
+ setTreeInfoToDefaults(ti_new, node_parent->type);
+
+ ti_new->node_parent = node_parent;
+ ti_new->parent_link = TRUE;
+
+ setString(&ti_new->identifier, node_parent->identifier);
+ setString(&ti_new->name, ".. (parent directory)");
+ setString(&ti_new->name_sorting, ti_new->name);
+
+ 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));
+
+ pushTreeInfo(&node_parent->node_group, ti_new);
+}
+
+/* forward declaration for recursive call by "LoadLevelInfoFromLevelDir()" */
+static void LoadLevelInfoFromLevelDir(TreeInfo **, TreeInfo *, char *);
+
+static boolean LoadLevelInfoFromLevelConf(TreeInfo **node_first,
+ TreeInfo *node_parent,
+ char *level_directory,
+ char *directory_name)
+{
+ char *directory_path = getPath2(level_directory, directory_name);
+ char *filename = getPath2(directory_path, LEVELINFO_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);
+
+ free(directory_path);
+ free(filename);
+
+ return FALSE;
+ }
+
+ leveldir_new = newTreeInfo();
+
+ if (node_parent)
+ setTreeInfoToDefaultsFromParent(leveldir_new, node_parent);
+ else
+ setTreeInfoToDefaults(leveldir_new, TREE_TYPE_LEVEL_DIR);
+
+ leveldir_new->subdir = getStringCopy(directory_name);
+
+ 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,
+ getHashEntry(setup_file_hash, levelinfo_tokens[i].text));
+ *leveldir_new = ldi;
+
+ if (strcmp(leveldir_new->name, ANONYMOUS_NAME) == 0)
+ 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->subdir);
+
+ if (leveldir_new->name_sorting == NULL)
+ leveldir_new->name_sorting = getStringCopy(leveldir_new->name);
+
+ if (node_parent == NULL) /* top level group */
+ {
+ leveldir_new->basepath = getStringCopy(level_directory);
+ leveldir_new->fullpath = getStringCopy(leveldir_new->subdir);
+ }
+ else /* sub level group */
+ {
+ leveldir_new->basepath = getStringCopy(node_parent->basepath);
+ 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;
+
+ leveldir_new->in_user_dir =
+ (strcmp(leveldir_new->basepath, options.level_directory) != 0);
+
+ /* 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->in_user_dir && IS_LEVELCLASS_PRIVATE(leveldir_new));
+
+ leveldir_new->color = LEVELCOLOR(leveldir_new);
+
+ setString(&leveldir_new->class_desc, getLevelClassDescription(leveldir_new));
+
+ leveldir_new->handicap_level = /* set handicap to default value */
+ (leveldir_new->user_defined || !leveldir_new->handicap ?
+ leveldir_new->last_level : leveldir_new->first_level);
+
+#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
+
+ pushTreeInfo(node_first, leveldir_new);
+
+ freeSetupFileHash(setup_file_hash);
+
+ if (leveldir_new->level_group)
+ {
+ /* create node to link back to current level directory */
+ createParentTreeInfoNode(leveldir_new);
+
+ /* step into sub-directory and look for more level series */
+ LoadLevelInfoFromLevelDir(&leveldir_new->node_group,
+ leveldir_new, directory_path);
+ }
+
+ free(directory_path);
+ free(filename);
+
+ return TRUE;
+}
+
+static void LoadLevelInfoFromLevelDir(TreeInfo **node_first,
+ TreeInfo *node_parent,
+ char *level_directory)
+{
+ DIR *dir;
+ struct dirent *dir_entry;
+ boolean valid_entry_found = FALSE;
+
+ if ((dir = opendir(level_directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read level directory '%s'", level_directory);