Function Osiris_FreeModule

Descent3/OsirisLoadandBind.cpp:662–725

Osiris_FreeModule Purpose: Removes a currently loaded module from the OSIRIS system

//	Purpose:
//		Removes a currently loaded module from the OSIRIS system
void Osiris_FreeModule(int id) {
  if (id < 0 || id >= MAX_LOADED_MODULES)
    return;

  if (OSIRIS_loaded_modules[id].flags & OSIMF_INUSE) {

#ifdef OSIRISDEBUG
    ASSERT(OSIRIS_loaded_modules[id].RefRoot == NULL); // not all objects freed
#endif

    if (OSIRIS_loaded_modules[id].flags & OSIMF_LEVEL) {
      // we're freeing the level dll
      tOSIRISCurrentLevel.level_loaded = false;
      tOSIRISCurrentLevel.num_customs = 0;
      tOSIRISCurrentLevel.dll_id = 0;
      tOSIRISCurrentLevel.custom_ids = NULL;
      tOSIRISCurrentLevel.custom_handles = NULL;
      tOSIRISCurrentLevel.instance = NULL;
    }

    if (!(OSIRIS_loaded_modules[id].flags & OSIMF_DLLELSEWHERE)) {

      // this is a DLL belonging to us
      if (OSIRIS_loaded_modules[id].ShutdownDLL) {
        // call the shutdown function so the DLL can perform what it needs
        OSIRIS_loaded_modules[id].ShutdownDLL();
      }

      if (OSIRIS_loaded_modules[id].string_table != NULL) {
        DestroyStringTable(OSIRIS_loaded_modules[id].string_table, OSIRIS_loaded_modules[id].strings_loaded);
      }
      mod_FreeModule(&OSIRIS_loaded_modules[id].mod);
    }

    if (tOSIRISCurrentMission.mission_loaded && id == tOSIRISCurrentMission.dll_id) {
      // we're freeing the mission dll
      tOSIRISCurrentMission.mission_loaded = false;
      tOSIRISCurrentMission.dll_id = 0;
    }

    OSIRIS_loaded_modules[id].CallInstanceEvent = NULL;
    OSIRIS_loaded_modules[id].CreateInstance = NULL;
    OSIRIS_loaded_modules[id].DestroyInstance = NULL;
    OSIRIS_loaded_modules[id].GetCOScriptList = NULL;
    OSIRIS_loaded_modules[id].GetGOScriptID = NULL;
    OSIRIS_loaded_modules[id].GetTriggerScriptID = NULL;
    OSIRIS_loaded_modules[id].InitializeDLL = NULL;
    OSIRIS_loaded_modules[id].SaveRestoreState = NULL;
    OSIRIS_loaded_modules[id].string_table = NULL;
    OSIRIS_loaded_modules[id].strings_loaded = 0;
    OSIRIS_loaded_modules[id].flags = 0;
    OSIRIS_loaded_modules[id].reference_count = 0;

#ifdef OSIRISDEBUG
    ASSERT(OSIRIS_loaded_modules[id].RefRoot == NULL);
    OSIRIS_loaded_modules[id].RefRoot = NULL;
#endif