PluginObjectsInteractionManager.c

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class PluginObjectsInteractionManager extends PluginBase
{
  private ref array<Object> m_LockedObjects;
  private ref array<float> m_LockedObjectsDecay;
  private const float TIME_TO_FORCED_UNLOCK = 60;
  private const float TICK_RATE = 10;
  private ref Timer m_DecayTimer;
 
  void PluginObjectsInteractionManager()
  {
    m_LockedObjects = new array<Object>;
    m_LockedObjectsDecay = new array<float>;
    //TIMERDEPRECATED - timer for decaying objects
    m_DecayTimer = new Timer();
    m_DecayTimer.Run(TICK_RATE, this, "Decay", NULL, true);
  }
 
  bool IsFree(Object target)
  {
    if (target && m_LockedObjects.Count() > 0)
    {
      for (int i = 0; i < m_LockedObjects.Count(); i++)
      {
        if (m_LockedObjects.Get(i) == target)
          return false;
      }
    }
    return true;
  }
 
  void Lock(Object target)
  {
    if (target && !IsFree(target))
    {
      m_LockedObjects.Insert(target);
      m_LockedObjectsDecay.Insert(0);
    }
  }
 
  void Release(Object target)
  {
    if (target && m_LockedObjects.Count() > 0)
    {
      for (int i = 0; i < m_LockedObjects.Count(); i++)
      {
        if (m_LockedObjects.Get(i) == target)
        {
          m_LockedObjects.Remove(i);
          m_LockedObjectsDecay.Remove(i);
          break;
        }
      }
    }
  }
 
  //FAILSAFE - checks periodically locked objects and releases them automaticaly if given time has passed
  void Decay()
  {
    if (m_LockedObjectsDecay.Count() > 0)
    {
      for (int i = 0; i < m_LockedObjectsDecay.Count(); i++)
      {
        if (m_LockedObjectsDecay.Get(i) >= TIME_TO_FORCED_UNLOCK)
        {
          m_LockedObjects.Remove(i);
          m_LockedObjectsDecay.Remove(i);
        }
        else
          m_LockedObjectsDecay.Get(i) += TICK_RATE;
      }
    }
  }
};