Function Osiris_CallTriggerEvent

Descent3/OsirisLoadandBind.cpp:2018–2074

Osiris_CallTriggerEvent Purpose: Triggers an event for a trigger script. Returns true if the default action should continue to process.

//		Triggers an event for a trigger script.  Returns true if the default action should continue
//	to process.
bool Osiris_CallTriggerEvent(int trignum, int event, tOSIRISEventInfo *ei) {
  if ((Game_mode & GM_MULTI) && (Netgame.local_role != LR_SERVER)) {
    // no scripts for a client!
    return true;
  }

  if (!(Osiris_event_mask & OEM_TRIGGERS))
    return true; // trigger events are disabled

  if (!Osiris_IsEventEnabled(event))
    return true;

  if (trignum < 0 || trignum >= Num_triggers)
    return true;

  if (!tOSIRISCurrentLevel.level_loaded)
    return true;

  int dll_id, script_id;
  int aux_event = -1;
  void *instance;

  if (event == EVT_AI_NOTIFY) {
    switch (ei->evt_ai_notify.notify_type) {
    case AIN_GOAL_COMPLETE:
      aux_event = EVT_AIN_GOALCOMPLETE;
      break;
    case AIN_GOAL_INVALID:
      aux_event = EVT_AIN_GOALFAIL;
      break;
    case AIN_GOAL_FAIL:
      aux_event = EVT_AIN_GOALFAIL;
      break;
    case AIN_GOAL_ERROR:
      aux_event = EVT_AIN_GOALFAIL;
      break;
    }
  }

  dll_id = tOSIRISCurrentLevel.dll_id;
  script_id = Triggers[trignum].osiris_script.script_id;
  instance = Triggers[trignum].osiris_script.script_instance;

  if (instance) {
    int16_t ret;
    ret = OSIRIS_loaded_modules[dll_id].CallInstanceEvent(script_id, instance, event, ei);

    if (aux_event != -1) {
      // call child event
      ret = OSIRIS_loaded_modules[dll_id].CallInstanceEvent(script_id, instance, aux_event, ei);
    }

    return (bool)((ret & CONTINUE_DEFAULT) != 0);
  }

  return true;
}