- char name[MAXNAME+2];
- struct cave_node *node, **prev;
- DIR *dir;
- struct dirent *entry;
- char *cut;
- int len;
-
- free_cave_list(); /* delete old list if i forgot to before */
-
- name[MAXNAME] = 0;
- if(arg_basedir) {
- snprintf(name, MAXNAME+2, "%s/%s", arg_basedir, EM_LVL_DIR);
- } else {
- snprintf(name, MAXNAME+2, "%s", EM_LVL_DIR);
- }
- if(name[MAXNAME]) snprintf_overflow("read cave/ directory");
-
- dir = opendir(name);
- if(dir) {
- prev = &cave_list;
- while((entry = readdir(dir))) {
- if(strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) continue;
-
- node = malloc(sizeof(*node)); if(node == 0) break;
- *prev = node; prev = &node->next;
-
- node->path[MAXNAME] = 0;
- snprintf(node->path, MAXNAME+2, "%s/%s", name, entry->d_name);
- if(node->path[MAXNAME]) snprintf_overflow("read cave/ directory");
-
- cut = strrchr(node->path, '/'); cut = cut ? cut + 1 : node->path;
- len = strlen(cut);
- if(len <= 32) {
- strncpy(node->name, cut, 32);
- } else {
- snprintf(node->name, 32, "%.8s..%s", cut, cut + len - 16);
- }
- }
- *prev = 0;
- closedir(dir);
- } else {
- fprintf(stderr, "%s: \"%s\": %s: %s\n", progname, name, "failed to open directory", strerror(errno));
- }
+ unsigned char raw_leveldata[MAX_EM_LEVEL_SIZE];
+ int raw_leveldata_length;
+ int file_version;
+ File *file;
+
+ /* always start with reliable default values */
+ setLevelInfoToDefaults_EM();
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot open level '%s' -- using empty level", filename);
+
+ return FALSE;
+ }
+
+ raw_leveldata_length = readFile(file, raw_leveldata, 1, MAX_EM_LEVEL_SIZE);
+
+ closeFile(file);
+
+ if (raw_leveldata_length <= 0)
+ {
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return FALSE;
+ }
+
+ file_version = cleanup_em_level(raw_leveldata, raw_leveldata_length,filename);
+
+ if (file_version == FILE_VERSION_EM_UNKNOWN)
+ {
+ Error(ERR_WARN, "unknown EM level '%s' -- using empty level", filename);
+
+ return FALSE;
+ }
+
+ convert_em_level(raw_leveldata, file_version);
+ prepare_em_level();
+
+ return TRUE;