+ first_valid_list_entry = setup_file_list->next;
+
+ /* free empty list header */
+ setup_file_list->next = NULL;
+ freeSetupFileList(setup_file_list);
+
+ if (first_valid_list_entry == NULL)
+ Error(ERR_WARN, "configuration file '%s' is empty", filename);
+
+ return first_valid_list_entry;
+}
+
+static void checkSetupFileListIdentifier(struct SetupFileList *setup_file_list,
+ char *identifier)
+{
+ if (!setup_file_list)
+ return;
+
+ if (strcmp(setup_file_list->token, TOKEN_STR_FILE_IDENTIFIER) == 0)
+ {
+ if (strcmp(setup_file_list->value, identifier) != 0)
+ {
+ Error(ERR_WARN, "configuration file has wrong version");
+ return;
+ }
+ else
+ return;
+ }
+
+ if (setup_file_list->next)
+ checkSetupFileListIdentifier(setup_file_list->next, identifier);
+ else
+ {
+ Error(ERR_WARN, "configuration file has no version information");
+ return;
+ }
+}
+
+static void setLevelDirInfoToDefaults(struct LevelDirInfo *ldi)
+{
+ ldi->name = getStringCopy("non-existing");
+ ldi->levels = 0;
+ ldi->first_level = 0;
+ ldi->sort_priority = LEVELCLASS_UNDEFINED; /* default: least priority */
+ ldi->readonly = TRUE;
+}
+
+static void setSetupInfoToDefaults(struct SetupInfo *si)
+{
+ int i;
+
+ si->player_name = getStringCopy(getLoginName());
+
+ si->sound = TRUE;
+ si->sound_loops = TRUE;
+ si->sound_music = TRUE;
+ si->sound_simple = TRUE;
+ si->toons = TRUE;
+ si->double_buffering = TRUE;
+ si->direct_draw = !si->double_buffering;
+ si->scroll_delay = TRUE;
+ si->soft_scrolling = TRUE;
+ si->fading = FALSE;
+ si->autorecord = TRUE;
+ si->quick_doors = FALSE;
+
+ for (i=0; i<MAX_PLAYERS; i++)
+ {
+ si->input[i].use_joystick = FALSE;
+ si->input[i].joy.device_name = getStringCopy(joystick_device_name[i]);
+ si->input[i].joy.xleft = JOYSTICK_XLEFT;
+ si->input[i].joy.xmiddle = JOYSTICK_XMIDDLE;
+ si->input[i].joy.xright = JOYSTICK_XRIGHT;
+ si->input[i].joy.yupper = JOYSTICK_YUPPER;
+ si->input[i].joy.ymiddle = JOYSTICK_YMIDDLE;
+ si->input[i].joy.ylower = JOYSTICK_YLOWER;
+ si->input[i].joy.snap = (i == 0 ? JOY_BUTTON_1 : 0);
+ si->input[i].joy.bomb = (i == 0 ? JOY_BUTTON_2 : 0);
+ si->input[i].key.left = (i == 0 ? DEFAULT_KEY_LEFT : KEY_UNDEFINDED);
+ si->input[i].key.right = (i == 0 ? DEFAULT_KEY_RIGHT : KEY_UNDEFINDED);
+ si->input[i].key.up = (i == 0 ? DEFAULT_KEY_UP : KEY_UNDEFINDED);
+ si->input[i].key.down = (i == 0 ? DEFAULT_KEY_DOWN : KEY_UNDEFINDED);
+ si->input[i].key.snap = (i == 0 ? DEFAULT_KEY_SNAP : KEY_UNDEFINDED);
+ si->input[i].key.bomb = (i == 0 ? DEFAULT_KEY_BOMB : KEY_UNDEFINDED);
+ }
+}
+
+static void setSetupInfo(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_string_boolean_value(token_value);
+ break;
+
+ case TYPE_KEYSYM:
+ *(KeySym *)setup_value = getKeySymFromX11KeyName(token_value);
+ break;
+
+ case TYPE_INTEGER:
+ *(int *)setup_value = get_string_integer_value(token_value);
+ break;
+
+ case TYPE_STRING:
+ if (*(char **)setup_value != NULL)
+ free(*(char **)setup_value);
+ *(char **)setup_value = getStringCopy(token_value);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void decodeSetupFileList(struct SetupFileList *setup_file_list)
+{
+ int i, pnr;
+
+ if (!setup_file_list)
+ return;
+
+ /* handle global setup values */
+ si = setup;
+ for (i=FIRST_GLOBAL_SETUP_TOKEN; i<=LAST_GLOBAL_SETUP_TOKEN; i++)
+ setSetupInfo(i, getTokenValue(setup_file_list, token_info[i].text));
+ setup = si;
+
+ /* handle player specific setup values */
+ for (pnr=0; pnr<MAX_PLAYERS; pnr++)
+ {
+ char prefix[30];
+
+ sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
+
+ sii = setup.input[pnr];
+ for (i=FIRST_PLAYER_SETUP_TOKEN; i<=LAST_PLAYER_SETUP_TOKEN; i++)
+ {
+ char full_token[100];
+
+ sprintf(full_token, "%s%s", prefix, token_info[i].text);
+ setSetupInfo(i, getTokenValue(setup_file_list, full_token));
+ }
+ setup.input[pnr] = sii;
+ }
+}
+
+int getLevelSeriesNrFromLevelSeriesName(char *level_series_name)
+{
+ int i;
+
+ if (!level_series_name)
+ return 0;
+
+ for (i=0; i<num_leveldirs; i++)
+ if (strcmp(level_series_name, leveldir[i].filename) == 0)
+ return i;
+
+ return 0;
+}
+
+int getLastPlayedLevelOfLevelSeries(char *level_series_name)
+{
+ char *token_value;
+ int level_series_nr = getLevelSeriesNrFromLevelSeriesName(level_series_name);
+ int last_level_nr = 0;
+
+ if (!level_series_name)
+ return 0;
+
+ token_value = getTokenValue(level_setup_list, level_series_name);
+
+ if (token_value)
+ {
+ last_level_nr = atoi(token_value);
+
+ if (last_level_nr < leveldir[level_series_nr].first_level)
+ last_level_nr = leveldir[level_series_nr].first_level;
+ if (last_level_nr > leveldir[level_series_nr].last_level)
+ last_level_nr = leveldir[level_series_nr].last_level;
+ }
+
+ return last_level_nr;
+}
+
+static int compareLevelDirInfoEntries(const void *object1, const void *object2)
+{
+ const struct LevelDirInfo *entry1 = object1;
+ const struct LevelDirInfo *entry2 = object2;
+ int compare_result;
+
+ if (entry1->sort_priority != entry2->sort_priority)
+ compare_result = entry1->sort_priority - entry2->sort_priority;
+ else
+ {
+ char *name1 = getStringToLower(entry1->name);
+ char *name2 = getStringToLower(entry2->name);
+
+ compare_result = strcmp(name1, name2);
+
+ free(name1);
+ free(name2);
+ }
+
+ return compare_result;
+}
+
+static int LoadLevelInfoFromLevelDir(char *level_directory, int start_entry)
+{
+ DIR *dir;
+ struct stat file_status;
+ char *directory = NULL;
+ char *filename = NULL;
+ struct SetupFileList *setup_file_list = NULL;
+ struct dirent *dir_entry;
+ int i, current_entry = start_entry;
+
+ if ((dir = opendir(level_directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read level directory '%s'", level_directory);
+ return current_entry;
+ }
+
+ while (current_entry < MAX_LEVDIR_ENTRIES)
+ {
+ if ((dir_entry = readdir(dir)) == NULL) /* last directory entry */
+ break;
+
+ /* skip entries for current and parent directory */
+ if (strcmp(dir_entry->d_name, ".") == 0 ||
+ strcmp(dir_entry->d_name, "..") == 0)
+ continue;
+
+ /* find out if directory entry is itself a directory */
+ directory = getPath2(level_directory, dir_entry->d_name);
+ if (stat(directory, &file_status) != 0 || /* cannot stat file */
+ (file_status.st_mode & S_IFMT) != S_IFDIR) /* not a directory */
+ {
+ free(directory);
+ continue;
+ }
+
+ filename = getPath2(directory, LEVELINFO_FILENAME);
+ setup_file_list = loadSetupFileList(filename);
+
+ if (setup_file_list)
+ {
+ checkSetupFileListIdentifier(setup_file_list, LEVELINFO_COOKIE);
+ setLevelDirInfoToDefaults(&leveldir[current_entry]);
+
+ ldi = leveldir[current_entry];
+ for (i=FIRST_LEVELINFO_TOKEN; i<=LAST_LEVELINFO_TOKEN; i++)
+ setSetupInfo(i, getTokenValue(setup_file_list, token_info[i].text));
+ leveldir[current_entry] = ldi;
+
+ leveldir[current_entry].filename = getStringCopy(dir_entry->d_name);
+ leveldir[current_entry].last_level =
+ leveldir[current_entry].first_level +
+ leveldir[current_entry].levels - 1;
+ leveldir[current_entry].user_defined =
+ (level_directory == options.level_directory ? FALSE : TRUE);
+
+ freeSetupFileList(setup_file_list);
+ current_entry++;
+ }
+ else
+ Error(ERR_WARN, "ignoring level directory '%s'", directory);
+
+ free(directory);
+ free(filename);
+ }
+
+ if (current_entry == MAX_LEVDIR_ENTRIES)
+ Error(ERR_WARN, "using %d level directories -- ignoring the rest",
+ current_entry);
+
+ closedir(dir);
+
+ if (current_entry == start_entry)
+ Error(ERR_WARN, "cannot find any valid level series in directory '%s'",
+ level_directory);
+
+ return current_entry;
+}
+
+void LoadLevelInfo()
+{
+ InitUserLevelDirectory(getLoginName());
+
+ num_leveldirs = 0;
+ leveldir_nr = 0;
+
+ num_leveldirs = LoadLevelInfoFromLevelDir(options.level_directory,
+ num_leveldirs);
+ num_leveldirs = LoadLevelInfoFromLevelDir(getUserLevelDir(""),
+ num_leveldirs);
+
+ if (num_leveldirs == 0)
+ Error(ERR_EXIT, "cannot find any valid level series in any directory");
+
+ if (num_leveldirs > 1)
+ qsort(leveldir, num_leveldirs, sizeof(struct LevelDirInfo),
+ compareLevelDirInfoEntries);
+}
+
+static void SaveUserLevelInfo()
+{
+ char *filename;
+ FILE *file;
+ int i;
+
+ filename = getPath2(getUserLevelDir(getLoginName()), LEVELINFO_FILENAME);
+
+ if (!(file = fopen(filename, "w")))
+ {
+ Error(ERR_WARN, "cannot write level info file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ ldi.name = getLoginName();
+ ldi.levels = 100;
+ ldi.first_level = 0;
+ ldi.sort_priority = LEVELCLASS_USER_START;
+ ldi.readonly = FALSE;
+
+ fprintf(file, "%s\n\n",
+ getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER, LEVELINFO_COOKIE));
+
+ for (i=FIRST_LEVELINFO_TOKEN; i<=LAST_LEVELINFO_TOKEN; i++)
+ fprintf(file, "%s\n", getSetupLine("", i));
+
+ fclose(file);
+ free(filename);
+
+ chmod(filename, SETUP_PERMS);
+}
+
+void LoadSetup()
+{
+ char *filename;
+ struct SetupFileList *setup_file_list = NULL;
+
+ /* always start with reliable default values */
+ setSetupInfoToDefaults(&setup);
+
+ filename = getPath2(getSetupDir(), SETUP_FILENAME);
+
+ setup_file_list = loadSetupFileList(filename);
+
+ if (setup_file_list)
+ {
+ checkSetupFileListIdentifier(setup_file_list, SETUP_COOKIE);
+ decodeSetupFileList(setup_file_list);
+
+ setup.direct_draw = !setup.double_buffering;
+
+ freeSetupFileList(setup_file_list);
+
+ /* needed to work around problems with fixed length strings */
+ if (strlen(setup.player_name) >= MAX_NAMELEN)
+ setup.player_name[MAX_NAMELEN - 1] = '\0';
+ else if (strlen(setup.player_name) < MAX_NAMELEN - 1)
+ {
+ char *new_name = checked_malloc(MAX_NAMELEN);
+
+ strcpy(new_name, setup.player_name);
+ free(setup.player_name);
+ setup.player_name = new_name;
+ }
+ }
+ else
+ Error(ERR_WARN, "using default setup values");
+
+ free(filename);
+}
+
+static char *getSetupLine(char *prefix, int token_nr)
+{
+ int i;
+ static char entry[MAX_LINE_LEN];
+ int token_type = token_info[token_nr].type;
+ void *setup_value = token_info[token_nr].value;
+ char *token_text = token_info[token_nr].text;
+
+ /* start with the prefix, token and some spaces to format output line */
+ sprintf(entry, "%s%s:", prefix, token_text);
+ for (i=strlen(entry); i<TOKEN_VALUE_POSITION; i++)
+ strcat(entry, " ");
+
+ /* continue with the token's value (which can have different types) */
+ switch (token_type)
+ {
+ case TYPE_BOOLEAN:
+ strcat(entry, (*(boolean *)setup_value ? "true" : "false"));
+ break;
+
+ case TYPE_SWITCH:
+ strcat(entry, (*(boolean *)setup_value ? "on" : "off"));
+ break;
+
+ case TYPE_KEYSYM:
+ {
+ KeySym keysym = *(KeySym *)setup_value;
+ char *keyname = getKeyNameFromKeySym(keysym);
+
+ strcat(entry, getX11KeyNameFromKeySym(keysym));
+ for (i=strlen(entry); i<50; i++)
+ strcat(entry, " ");
+
+ /* add comment, if useful */
+ if (strcmp(keyname, "(undefined)") != 0 &&
+ strcmp(keyname, "(unknown)") != 0)
+ {
+ strcat(entry, "# ");
+ strcat(entry, keyname);
+ }
+ }
+ break;
+
+ case TYPE_INTEGER:
+ {
+ char buffer[MAX_LINE_LEN];
+
+ sprintf(buffer, "%d", *(int *)setup_value);
+ strcat(entry, buffer);
+ }
+ break;
+
+ case TYPE_STRING:
+ strcat(entry, *(char **)setup_value);
+ break;
+
+ default:
+ break;
+ }
+
+ return entry;
+}
+
+void SaveSetup()
+{
+ int i, pnr;
+ char *filename;
+ FILE *file;
+
+ InitUserDataDirectory();
+
+ filename = getPath2(getSetupDir(), SETUP_FILENAME);
+
+ if (!(file = fopen(filename, "w")))
+ {
+ Error(ERR_WARN, "cannot write setup file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ fprintf(file, "%s\n",
+ getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER, SETUP_COOKIE));
+ fprintf(file, "\n");
+
+ /* handle global setup values */
+ si = setup;
+ for (i=FIRST_GLOBAL_SETUP_TOKEN; i<=LAST_GLOBAL_SETUP_TOKEN; i++)
+ {
+ fprintf(file, "%s\n", getSetupLine("", i));
+
+ /* just to make things nicer :) */
+ if (i == SETUP_TOKEN_PLAYER_NAME)
+ fprintf(file, "\n");
+ }
+
+ /* handle player specific setup values */
+ for (pnr=0; pnr<MAX_PLAYERS; pnr++)
+ {
+ char prefix[30];
+
+ sprintf(prefix, "%s%d", TOKEN_STR_PLAYER_PREFIX, pnr + 1);
+ fprintf(file, "\n");
+
+ sii = setup.input[pnr];
+ for (i=FIRST_PLAYER_SETUP_TOKEN; i<=LAST_PLAYER_SETUP_TOKEN; i++)
+ fprintf(file, "%s\n", getSetupLine(prefix, i));
+ }
+
+ fclose(file);
+ free(filename);
+
+ chmod(filename, SETUP_PERMS);
+}
+
+void LoadLevelSetup()
+{
+ char *filename;
+
+ /* always start with reliable default values */
+ leveldir_nr = 0;
+ level_nr = 0;
+
+ filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
+
+ if (level_setup_list)
+ freeSetupFileList(level_setup_list);
+
+ level_setup_list = loadSetupFileList(filename);
+
+ if (level_setup_list)
+ {
+ char *last_level_series =
+ getTokenValue(level_setup_list, TOKEN_STR_LAST_LEVEL_SERIES);
+
+ leveldir_nr = getLevelSeriesNrFromLevelSeriesName(last_level_series);
+ level_nr = getLastPlayedLevelOfLevelSeries(last_level_series);
+
+ checkSetupFileListIdentifier(level_setup_list, LEVELSETUP_COOKIE);
+ }
+ else
+ {
+ level_setup_list = newSetupFileList(TOKEN_STR_FILE_IDENTIFIER,
+ LEVELSETUP_COOKIE);
+ Error(ERR_WARN, "using default setup values");
+ }
+
+ free(filename);
+}
+
+void SaveLevelSetup()
+{
+ char *filename;
+ struct SetupFileList *list_entry = level_setup_list;
+ FILE *file;
+
+ InitUserDataDirectory();
+
+ setTokenValue(level_setup_list,
+ TOKEN_STR_LAST_LEVEL_SERIES, leveldir[leveldir_nr].filename);
+
+ setTokenValue(level_setup_list,
+ leveldir[leveldir_nr].filename, int2str(level_nr, 0));
+
+ filename = getPath2(getSetupDir(), LEVELSETUP_FILENAME);
+
+ if (!(file = fopen(filename, "w")))
+ {
+ Error(ERR_WARN, "cannot write setup file '%s'", filename);
+ free(filename);
+ return;
+ }
+
+ fprintf(file, "%s\n\n", getFormattedSetupEntry(TOKEN_STR_FILE_IDENTIFIER,
+ LEVELSETUP_COOKIE));
+ while (list_entry)
+ {
+ if (strcmp(list_entry->token, TOKEN_STR_FILE_IDENTIFIER) != 0)
+ fprintf(file, "%s\n",
+ getFormattedSetupEntry(list_entry->token, list_entry->value));
+
+ /* just to make things nicer :) */
+ if (strcmp(list_entry->token, TOKEN_STR_LAST_LEVEL_SERIES) == 0)
+ fprintf(file, "\n");
+
+ list_entry = list_entry->next;
+ }
+
+ fclose(file);
+ free(filename);
+
+ chmod(filename, SETUP_PERMS);
+}
+
+#ifdef MSDOS
+static boolean initErrorFile()
+{
+ char *filename;
+ FILE *error_file;
+
+ InitUserDataDirectory();
+
+ filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+ error_file = fopen(filename, "w");
+ free(filename);
+
+ if (error_file == NULL)
+ return FALSE;
+
+ fclose(error_file);
+
+ return TRUE;
+}
+
+FILE *openErrorFile()
+{
+ static boolean first_access = TRUE;
+ char *filename;
+ FILE *error_file;
+
+ if (first_access)
+ {
+ if (!initErrorFile())
+ return NULL;
+
+ first_access = FALSE;
+ }
+
+ filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+ error_file = fopen(filename, "a");
+ free(filename);
+
+ return error_file;
+}
+
+void dumpErrorFile()
+{
+ char *filename;
+ FILE *error_file;
+
+ filename = getPath2(getUserDataDir(), ERROR_FILENAME);
+ error_file = fopen(filename, "r");
+ free(filename);
+
+ if (error_file != NULL)
+ {
+ while (!feof(error_file))
+ fputc(fgetc(error_file), stderr);
+
+ fclose(error_file);
+ }