-static void deleteSoundEntry(SoundInfo **snd_info)
-{
- if (*snd_info)
- {
- char *filename = (*snd_info)->source_filename;
-
-#if 0
- printf("[decrementing reference counter of sound '%s']\n", filename);
-#endif
-
- if (--(*snd_info)->num_references <= 0)
- {
-#if 0
- printf("[deleting sound '%s']\n", filename);
-#endif
-
- /*
- FreeSound(*snd_info);
- */
- deleteNodeFromList(&SoundFileList, filename, FreeSound);
- }
-
- *snd_info = NULL;
- }
-}
-
-static void replaceSoundEntry(SoundInfo **snd_info, char *filename)
-{
- ListNode *node;
-
- /* check if the old and the new sound file are the same */
- if (*snd_info && strcmp((*snd_info)->source_filename, filename) == 0)
- {
- /* The old and new sound are the same (have the same filename and path).
- This usually means that this sound does not exist in this sound set
- and a fallback to the existing sound is done. */
-
-#if 0
- printf("[sound '%s' already exists (same list entry)]\n", filename);
-#endif
-
- return;
- }
-
- /* delete existing sound file entry */
- deleteSoundEntry(snd_info);
-
- /* check if the new sound file already exists in the list of sounds */
- if ((node = getNodeFromKey(SoundFileList, filename)) != NULL)
- {
-#if 0
- printf("[sound '%s' already exists (other list entry)]\n", filename);
-#endif
-
- *snd_info = (SoundInfo *)node->content;
- (*snd_info)->num_references++;
- }
- else if ((*snd_info = Load_WAV(filename)) != NULL) /* load new sound */
- {
- (*snd_info)->num_references = 1;
- addNodeToList(&SoundFileList, (*snd_info)->source_filename, *snd_info);
- }
-}
-
-static void LoadCustomSound(SoundInfo **snd_info, char *basename)
-{
- char *filename = getCustomSoundFilename(basename);
-
-#if 0
- printf("GOT CUSTOM SOUND FILE '%s'\n", filename);
-#endif
-
- if (strcmp(basename, SND_FILE_UNDEFINED) == 0)
- {
- deleteSoundEntry(snd_info);
- return;
- }
-
- if (filename == NULL)
- {
- Error(ERR_WARN, "cannot find sound file '%s'", basename);
- return;
- }
-
- replaceSoundEntry(snd_info, filename);
-}
-