ReplaceItemWithNewLambdaBase.c

Go to the documentation of this file.

 
class ReplaceItemWithNewLambdaBase
{
  EntityAI m_OldItem;
  string m_NewItemType;
  protected ref InventoryLocation m_OldLocation;
  protected ref InventoryLocation m_NewLocation;
  protected bool m_RemoveFromLocationPassed = false;
  private bool m_RemoveNetworkObjectInfoPassed = false;
 
  void ReplaceItemWithNewLambdaBase(EntityAI old_item, string new_item_type)
  {
    m_OldItem = old_item;
    m_NewItemType = new_item_type;
  }
 
  void OverrideNewLocation(InventoryLocation newLocation)
  {
    m_NewLocation = newLocation;
  }
 
  void VerifyItemTypeBySlotType() {}
 
  protected bool WantCreateNewEntity()
  {
    return m_NewLocation && m_NewItemType != string.Empty;
  }
 
  protected bool CanExecuteLambda()
  {
    if (m_OldItem)
      if (GameInventory.LocationCanRemoveEntity(m_OldLocation))
        //if (WantCreateNewEntity() GameInventory.LocationTestAddEntityType(m_NewItemType, true, true, false, true))
        return true;
    return false;
  }
 
  protected bool PrepareLocations()
  {
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step A) Prepare inventory locations, old_item=" + m_OldItem);
    m_OldLocation = new InventoryLocation;
    if (m_OldItem.GetInventory().GetCurrentInventoryLocation(m_OldLocation)) // A.1) store old location
    {
      if (m_NewLocation == null)
      {
        m_NewLocation = new InventoryLocation;
        m_NewLocation.CopyLocationFrom(m_OldLocation, true); // A.2) prepare new location from old
 
        //setting proper location type for ground pos
        if (!m_NewLocation.GetParent())
        {
          vector m4[4];
          Math3D.MatrixIdentity4(m4);
          m4[3] = m_NewLocation.GetPos();
          string path = "" + CFG_VEHICLESPATH + " " + m_NewItemType + " inherit_rotation";
          bool keep_rotation = GetGame().ConfigIsExisting(path) && GetGame().ConfigGetInt(path) > 0;
 
          if (m_OldLocation.GetType() == InventoryLocationType.GROUND && keep_rotation)
          {
            float dir[4];
            m_OldLocation.GetDir(dir);
            m_NewLocation.SetGroundEx(null, m_NewLocation.GetPos(), dir);
          }
          else
            m_NewLocation.SetGround(null, m4);
        }
      }
      return true;
    }
    else
      Error("[inv] ReplaceItemWithNewLambdaBase Step A.1) failed to get old_item inventory location");
    return false;
  }
 
  protected void RemoveOldItemFromLocation()
  {
    if (!GameInventory.LocationRemoveEntity(m_OldLocation)) // B) remove entity from old inventory location (making it free for new item)
    {
      Error("[inv] ReplaceItemWithNewLambdaBase Step B) failed to remove old_item rom current inventory location");
      m_RemoveFromLocationPassed = false;
    }
    Print("[inv] ReplaceItemWithNewLambdaBase Step B) remove OK, loc=" + InventoryLocation.DumpToStringNullSafe(m_OldLocation));
    m_RemoveFromLocationPassed = true;
  }
  protected void UndoRemoveOldItemFromLocation()
  {
    if (!GameInventory.LocationAddEntity(m_OldLocation)) // B) undo
      Error("[inv] ReplaceItemWithNewLambdaBase Step B) failed to undo remove");
    Print("[inv] ReplaceItemWithNewLambdaBase Step B) undo remove OK, loc=" + InventoryLocation.DumpToStringNullSafe(m_OldLocation));
  }
 
  protected void RemoveNetworkObjectInfo()
  {
    GetGame().RemoteObjectTreeDelete(m_OldItem); // C) this forces server to send DeleteObject Message to client. This is needed for preserving the appearance of network operations on client (so that DeleteObject(old) arrives before CreateVehicle(new)). @NOTE: this does not delete the object on server, only it's network representation.
    // @NOTE: the item is not deleted right now on server, but rather after copying the properties in Step E)
    m_RemoveNetworkObjectInfoPassed = true;
  }
  protected void UndoRemoveNetworkObjectInfo()
  {
    GetGame().RemoteObjectTreeCreate(m_OldItem);
  }
 
  protected EntityAI CreateNewEntity()
  {
    if (WantCreateNewEntity())
    {
      VerifyItemTypeBySlotType();
      EntityAI new_item;
 
      switch (m_NewLocation.GetType())
      {
      case InventoryLocationType.GROUND:
        new_item = EntityAI.Cast(GetGame().CreateObjectEx(m_NewItemType, m_NewLocation.GetPos(), ECE_PLACE_ON_SURFACE | ECE_LOCAL));
        string path = "" + CFG_VEHICLESPATH + " " + m_NewItemType + " inherit_rotation";
        bool keep_rotation = GetGame().ConfigIsExisting(path) && GetGame().ConfigGetInt(path) > 0;
        if (keep_rotation)
        {
          new_item.SetOrientation(m_OldItem.GetOrientation()); //this one actually works...debug InventoryLocation
        }
        break;
      case InventoryLocationType.ATTACHMENT:
        // forces rawlocation in C++ to make location Valid
        m_NewLocation.SetAttachment(m_NewLocation.GetParent(), null, m_NewLocation.GetSlot());
        new_item = GameInventory.LocationCreateEntity(m_NewLocation, m_NewItemType, ECE_OBJECT_SWAP, RF_NONE);
        break;
      default:
        new_item = GameInventory.LocationCreateLocalEntity(m_NewLocation, m_NewItemType, ECE_OBJECT_SWAP, RF_NONE);
        break;
      }
 
      if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step D) Created new new_item=" + new_item);
      if (new_item)
        return new_item;
      else
      {
        return null;
 
        /*InventoryLocation backupLocation = new InventoryLocation;
          vector mtx[4];
          Math3D.MatrixIdentity4(mtx);
          mtx[3] = m_OldItem.GetPosition();
          backupLocation.SetGround(null, mtx);
          if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step D) plan B - creating=" + m_NewItemType + " at bkp loc=" + backupLocation.DumpToString() + ", but failed");
          new_item = GameInventory.LocationCreateLocalEntity(backupLocation, m_NewItemType,ECE_OBJECT_SWAP,RF_NONE); // create LOCAL new one on ground
          if (!new_item)
          {
          Error("[inv] ReplaceItemWithNewLambdaBase Step D) plan B - wanted to create=" + m_NewItemType + " at bkp loc=" + backupLocation.DumpToString() + ", but failed");
          return null;
          }
          return new_item;*/
      }
    }
 
    // user did not asked for new entity
    return null;
  }
 
  void CopyOldPropertiesToNew(notnull EntityAI old_item, EntityAI new_item)
  {
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step E) Copying props " + old_item + " --> " + new_item);
  }
 
  protected void DeleteOldEntity()
  {
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step F) delete old item=" + m_OldItem);
    m_OldItem.DeleteSafe();
  }
 
  protected void CreateNetworkObjectInfo(EntityAI new_item)
  {
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step G) CreateNetworkObjectInfo =" + new_item);
    if (new_item)
      GetGame().RemoteObjectTreeCreate(new_item); // G) this forces server to send CreateVehicle Message to client. This is needed for preserving the appearance of network operations on client (so that DeleteObject(old) arrives before CreateVehicle(new)). @NOTE: this does not delete the object on server, only it's network representation.
  }
 
  protected void OnSuccess(EntityAI new_item)
  {
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[inv] ReplaceItemWithNewLambdaBase Step H) OnSuccess=" + new_item);
  }
 
  protected void OnAbort()
  {
    Print("Error [inv] ReplaceItemWithNewLambdaBase OnAbort");
  }
 
  void Execute(HumanInventoryWithFSM fsm_to_notify = null)
  {
    int t = GetGame().GetTime();
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[syncinv] t=" + t + " lambda.Execute start ");
 
    // A) init
    bool prepared = PrepareLocations();
 
    if (prepared && CanExecuteLambda())
    {
      // B) rm old (and delete on client)
      RemoveOldItemFromLocation();
      if (!m_RemoveFromLocationPassed)
      {
        Error("[inv] ReplaceItemWithNewLambdaBase Step B) ABORT - failed while rm old item from loc=" + InventoryLocation.DumpToStringNullSafe(m_OldLocation));
 
        if (fsm_to_notify)
          fsm_to_notify.ProcessHandAbortEvent(new HandEventHumanCommandActionAborted(fsm_to_notify.GetManOwner()));
        OnAbort();
        return;
      }
 
      // C) rm NetworkObjectInfo from old item (+ send delete object tree to clients)
      RemoveNetworkObjectInfo();
 
      // D) mk new in place of old
      EntityAI new_item = CreateNewEntity();
      if (WantCreateNewEntity() && new_item == null)
      {
        //Error("[inv] ReplaceItemWithNewLambdaBase Step D) ABORT - wanted to create=" + m_NewItemType + " at loc=" + m_NewLocation.DumpToString() + ", but failed");
        Print("Error [inv] ReplaceItemWithNewLambdaBase Step D) ABORT - wanted to create=" + m_NewItemType + " at loc=" + InventoryLocation.DumpToStringNullSafe(m_NewLocation) + ", but failed");
        if (m_RemoveFromLocationPassed)
          UndoRemoveOldItemFromLocation();
        if (m_RemoveNetworkObjectInfoPassed)
          UndoRemoveNetworkObjectInfo();
 
        OnAbort();
        if (fsm_to_notify)
          fsm_to_notify.ProcessHandAbortEvent(new HandEventHumanCommandActionAborted(fsm_to_notify.GetManOwner()));
        return;
      }
 
      // E) cpy props
      CopyOldPropertiesToNew(m_OldItem, new_item);
 
      // F) del old
      DeleteOldEntity();
 
      // G) mk new NetworkObjectInfo
      CreateNetworkObjectInfo(new_item);
 
      // H) notification
      OnSuccess(new_item);
    }
    else
    {
      Print("[syncinv] warning, lambda cannot be executed, skipping!");
      if (fsm_to_notify)
        fsm_to_notify.ProcessHandAbortEvent(new HandEventHumanCommandActionAborted(fsm_to_notify.GetManOwner()));
      OnAbort();
      return;
    }
    int te = GetGame().GetTime();
    int dt = te - t;
    if (LogManager.IsInventoryHFSMLogEnable()) hndDebugPrint("[syncinv] te=" + te + " lambda.Execute end, exec time=" + dt);
  }
 
  string DumpToString()
  {
    string s = "{ old=" + m_OldItem + " newType=" + m_NewItemType + "}";
    return s;
  }
};
 
 
class ItemInventory : GameInventory
{
};