HumanInventoryWithFSM.c

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class HumanInventoryWithFSM : HumanInventory
{
  protected ref HandFSM m_FSM; 
  protected ref HandStateBase m_Empty;
  protected ref HandStateBase m_Equipped;
 
  void HumanInventoryWithFSM()
  {
    m_FSM = new HandFSM();
  }
 
  void CreateStableStates()
  {
    // stable states are created only if they do not exist already (for example created by derived class like DayZPlayerInventory)
    // @NOTE: this cannot be done in constructor, as there is NO owner set yet. GetManOwner() will therefore return NULL.
    if (!m_Empty)
      m_Empty = new HandStateEmpty(GetManOwner());
    if (!m_Equipped)
      m_Equipped = new HandStateEquipped(GetManOwner());
  }
 
  override void Init()
  {
    // setup state machine
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[hndfsm] Initializing Human Inventory FSM");
 
    // basic states
    CreateStableStates();
 
    // events
    HandEventBase __T__ = new HandEventTake;
    HandEventBase __D__ = new HandEventDrop;
    HandEventBase __Tw_ = new HandEventThrow;
    HandEventBase __M__ = new HandEventMoveTo;
    HandEventBase __W__ = new HandEventSwap;
    HandEventBase __F__ = new HandEventForceSwap;
    HandEventBase __X__ = new HandEventDestroy;
    HandEventBase __Xd_ = new HandEventDestroyed;
    HandEventBase __R__ = new HandEventDestroyAndReplaceWithNew;
    HandEventBase __Re_ = new HandEventDestroyAndReplaceWithNewElsewhere;
    HandEventBase __Rh_ = new HandEventDestroyElsewhereAndReplaceWithNewInHands;
    HandEventBase __Rd_ = new HandEventReplaced;
    HandEventBase __Cd_ = new HandEventCreated;
    HandEventBase _fin_ = new HandEventHumanCommandActionFinished;
    HandEventBase _abt_ = new HandEventHumanCommandActionAborted;
 
 
    HandReplacingItemInHands replacing = new HandReplacingItemInHands(GetManOwner());
    HandReplacingItemInHands replacingElsewhere = new HandReplacingItemInHands(GetManOwner());
    HandReplacingItemElsewhereWithNewInHands replacingElsewhere3 = new HandReplacingItemElsewhereWithNewInHands(GetManOwner());
 
    // setup transitions
    m_FSM.AddTransition(new HandTransition(m_Empty, __T__, m_Equipped, new HandActionTake, new HandGuardHasItemInEvent(GetManOwner())));
    m_FSM.AddTransition(new HandTransition(m_Empty, __Cd_, m_Equipped, new HandActionCreated, new HandGuardHasItemInEvent(GetManOwner())));
 
    m_FSM.AddTransition(new HandTransition(m_Equipped, __D__, m_Empty, new HandActionDrop, null));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __Tw_, m_Empty, new HandActionThrow, null));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __M__, m_Empty, new HandActionMoveTo, new HandGuardAnd(new HandGuardHasItemInHands(GetManOwner()), new HandGuardCanMove(GetManOwner()))));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __X__, m_Empty, new HandActionDestroy, new HandGuardHasItemInHands(GetManOwner())));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __Xd_, m_Empty, new HandActionDestroyed, new HandGuardHasDestroyedItemInHands(GetManOwner())));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __Xd_, m_Equipped, new HandActionDestroyed, new HandGuardNot(new HandGuardHasDestroyedItemInHands(GetManOwner()))));
 
    m_FSM.AddTransition(new HandTransition(m_Equipped, __R__, replacing));
    m_FSM.AddTransition(new HandTransition(replacing, _fin_, m_Equipped));
    replacing.AddTransition(new HandTransition(replacing.m_Replacing, _abt_, m_Equipped));
 
    m_FSM.AddTransition(new HandTransition(m_Equipped, __Re_, replacingElsewhere));
    m_FSM.AddTransition(new HandTransition(replacingElsewhere, _fin_, m_Empty));
    replacingElsewhere.AddTransition(new HandTransition(replacingElsewhere.m_Replacing, _abt_, m_Equipped));
 
    m_FSM.AddTransition(new HandTransition(m_Empty, __Rh_, replacingElsewhere3));
    m_FSM.AddTransition(new HandTransition(replacingElsewhere3, _fin_, m_Equipped));
    replacingElsewhere3.AddTransition(new HandTransition(replacingElsewhere3.m_Replacing, _abt_, m_Empty));
 
    m_FSM.AddTransition(new HandTransition(m_Equipped, __Rd_, m_Equipped, new HandActionReplaced, null));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __W__, m_Equipped, new HandActionSwap, new HandGuardAnd(new HandGuardHasItemInHands(GetManOwner()), new HandGuardCanSwap(GetManOwner()))));
    m_FSM.AddTransition(new HandTransition(m_Equipped, __F__, m_Equipped, new HandActionForceSwap, new HandGuardAnd(new HandGuardHasItemInHands(GetManOwner()), new HandGuardCanForceSwap(GetManOwner()))));
 
    // start FSM
    m_FSM.SetInitialState(m_Empty);
    m_FSM.Start();
 
    super.Init();
  }
 
  bool CanProcessHandEvents() { return m_FSM && m_FSM.IsRunning(); }
 
  override bool ProcessHandEvent(HandEventBase e)
  {
    //SyncRemote(e);
    if (m_FSM.ProcessEvent(e) == ProcessEventResult.FSM_OK)
    {
#ifdef DEVELOPER
      if (LogManager.IsInventoryHFSMLogEnable())
        Debug.InventoryHFSMLog("STS = " + GetManOwner().GetSimulationTimeStamp(), e.ToString(), "ProcessHandEvent", e.m_Player.ToString());
#endif
      return true;
    }
    else
    {
      //if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("FSM refused to process event (no transition): src=" + GetCurrentState().ToString() + " event=" + e.ToString());
      return false;
    }
  }
 
  bool ProcessHandAbortEvent(HandEventBase e)
  {
    //SyncRemote(e);
    ProcessEventResult aa;
    m_FSM.ProcessAbortEvent(e, aa);
    if (aa == ProcessEventResult.FSM_OK)
    {
      if (LogManager.IsInventoryHFSMLogEnable()) hndDebugSpam("[hndfsm]  STS = " + GetManOwner().GetSimulationTimeStamp() + " Processed event e=" + e.ToString());
      return true;
    }
    else
    {
      //if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("FSM refused to process event (no transition): src=" + GetCurrentState().ToString() + " event=" + e.ToString());
      return false;
    }
  }
 
  override bool OnStoreLoad(ParamsReadContext ctx, int version)
  {
    if (!super.OnStoreLoad(ctx, version))
      return false;
 
    //@TODO
    //m_FSM.OnStoreLoad(ctx, version);
 
    return true;
  }
 
  override void OnStoreSave(ParamsWriteContext ctx)
  {
    super.OnStoreSave(ctx);
    //@TODO
    //m_FSM.OnStoreSave(ctx, version);
  }
 
  int GetCurrentStateID() { return m_FSM.GetCurrentStateID(); }
 
  bool IsIdle() { return m_FSM.GetCurrentState().IsIdle(); }
 
  void NetSyncCurrentStateID(int id)
  {
    m_FSM.NetSyncCurrentStateID(id);
  }
};