自学教程：C++ EnableUpdate函数代码示例

void CWeapon::NetUpdateFireMode(SEntityUpdateContext& ctx){    // CGunTurret and CVehicleWeapon overide NetAllowUpdate to perform their own checks.    if(NetAllowUpdate(true))    {        m_netNextShot -= ctx.fFrameTime;        if(IsReloading())            return;	// reloading, bail        if((!m_isFiringStarted) && (m_isFiring || m_shootCounter > 0))        {            m_isFiringStarted = true;            m_netNextShot = 0.f;            NetStartFire();            EnableUpdate(true, eIUS_FireMode);        }        if(m_fm)        {            if(m_shootCounter > 0 && m_netNextShot <= 0.0f)            {                // Aside from the prediction handle, needed for the server, NetShoot/Ex parameters                // are no longer used, these will need removing when the client->server RMI's are tided up                m_fm->NetShoot(Vec3(0.f, 0.f, 0.f), 0);                m_shootCounter--;                //if fireRate == 0.0f, set m_netNextShot to 0.0f, otherwise increment by 60.f / fireRate.                //	fres used to avoid microcoded instructions, fsel to avoid branching - Rich S                const float fRawFireRate		= m_fm->GetFireRate();                const float fFireRateSelect = -fabsf(fRawFireRate);                const float fFireRateForDiv = (float)__fsel(fFireRateSelect, 1.0f, fRawFireRate);                const float fNextShot				= (float)__fsel(fFireRateSelect, 0.0f, m_netNextShot + (60.f * __fres(fFireRateForDiv)));                m_netNextShot = fNextShot;            }        }        if(m_isFiringStarted && !m_isFiring && m_shootCounter <= 0)        {            m_isFiringStarted = false;            NetStopFire();            EnableUpdate(false, eIUS_FireMode);        }        // this needs to happen here, or NetStopFire interrupts the animation        if(m_doMelee && m_melee)        {            m_melee->NetAttack();            m_doMelee= false;        }    }}

//------------------------------------------------------------------------------// void OnComboBoxChange()//------------------------------------------------------------------------------void BurnThrusterPanel::OnComboBoxChange(wxCommandEvent &event){   if (event.GetEventObject() == coordSysComboBox)   {      UpdateOriginAxes();            isCoordSysChanged =  true;      coordSysName = coordSysComboBox->GetStringSelection().c_str();      EnableUpdate(true);   }   else if (event.GetEventObject() == tankComboBox)   {      isTankChanged = true;      tankName = tankComboBox->GetStringSelection().WX_TO_STD_STRING;      if (tankName == "No Fuel Tank Selected")         tankName = "";            // remove "No Tank Selected" once tank is selected      int pos = tankComboBox->FindString("No Fuel Tank Selected");      if (pos != wxNOT_FOUND)         tankComboBox->Delete(pos);            EnableUpdate(true);   }   else if (event.GetEventObject() == axesComboBox)   {      std::string csName = coordSysComboBox->GetStringSelection().WX_TO_STD_STRING;            if (csName == "Local")      {         std::string axisValue = axesComboBox->GetValue().WX_TO_STD_STRING;         if ((axisValue == "MJ2000Eq") || (axisValue == "SpacecraftBody"))         {            originLabel->Disable();            originComboBox->Disable();         }         else         {            originLabel->Enable();            originComboBox->Enable();         }      }   }   // thrustModelCB will be NULL if the thruster is not Electric   else if (event.GetEventObject() == thrustModelCB)   {      thrustModel = thrustModelCB->GetStringSelection().c_str();      EnableDataForThrustModel(thrustModel);      isThrustModelChanged =  true;      EnableUpdate(true);   }}

//------------------------------------------------------------------------------// void OnComboBoxChange(wxCommandEvent& event)//------------------------------------------------------------------------------void GroundTrackPlotPanel::OnComboBoxChange(wxCommandEvent& event){       if (event.GetEventObject() == mSolverIterComboBox)   {      mHasDataOptionChanged = true;   }   else if (event.GetEventObject() == mCentralBodyComboBox)   {      mHasCentralBodyChanged = true;      wxString bodyTexture;      if (mCentralBodyComboBox->GetValue() == mCentralBody)      {         bodyTexture = mTextureFile;      }      else      {         // Update texture map to corresponding body         CelestialBody *body = (CelestialBody*)            theGuiInterpreter->GetConfiguredObject(mCentralBodyComboBox->GetValue().c_str());         Integer id = body->GetParameterID("TextureMapFileName");         bodyTexture = body->GetStringParameter(id).c_str();      }      #ifdef DEBUG_CENTRAL_BODY      MessageInterface::ShowMessage         ("OnComboBoxChange(), bodyTexture = '%s'/n", bodyTexture.c_str());      #endif      mTextureMapTextCtrl->SetValue(bodyTexture);      mTextureMapTextCtrl->SetInsertionPointEnd();   }   EnableUpdate(true);}

//------------------------------------------------------------------------void CFists::Select(bool select){	CWeapon::Select(select);	SetActionSuffix("");	if(select)	{		EnableUpdate(true, eIUS_General);		RequestAnimState(eFAS_FIGHT);	}	else	{		EnableUpdate(false, eIUS_General);		RequestAnimState(eFAS_NOSTATE);	}}

//------------------------------------------------------------------------void CVehicleWeapon::StartUse(EntityId userId){	if (m_ownerId && userId != m_ownerId)		return;   if (GetEntity()->GetParent())  {     m_pVehicle = gEnv->pGame->GetIGameFramework()->GetIVehicleSystem()->GetVehicle(GetEntity()->GetParent()->GetId());    assert(m_pVehicle && "Using VehicleWeapons on non-vehicles may lead to unexpected behavior.");    if (m_pVehicle)    {         m_pPart = m_pVehicle->GetWeaponParentPart(GetEntityId());       m_pOwnerSeat = m_pVehicle->GetWeaponParentSeat(GetEntityId());      m_pSeatUser = m_pVehicle->GetSeatForPassenger(userId);    }  }  	SetOwnerId(userId);  Select(true);		m_stats.used = true;	EnableUpdate(true, eIUS_General);	RequireUpdate(eIUS_General);  if (OutOfAmmo(false))    Reload(false);  UseManualBlending(true);	LowerWeapon(false);	SendMusicLogicEvent(eMUSICLOGICEVENT_WEAPON_MOUNT);}

//------------------------------------------------------------------------------// void SaveData()//------------------------------------------------------------------------------void TargetPanel::SaveData(){   try   {      std::string solverName = mSolverComboBox->GetValue().WX_TO_STD_STRING;      std::string solverMode = mSolverModeComboBox->GetValue().WX_TO_STD_STRING;      std::string exitMode   = mExitModeComboBox->GetValue().WX_TO_STD_STRING;      theCommand->SetStringParameter(theCommand->GetParameterID("Targeter"),                                     solverName);      theCommand->SetStringParameter(theCommand->GetParameterID("SolveMode"),             solverMode);      theCommand->SetStringParameter(theCommand->GetParameterID("ExitMode"),             exitMode);      if (mProgressWindowCheckBox->IsChecked())         theCommand->SetBooleanParameter("ShowProgressWindow", true);      else         theCommand->SetBooleanParameter("ShowProgressWindow", false);      EnableUpdate(false);   }   catch (BaseException &e)   {      MessageInterface::PopupMessage(Gmat::ERROR_, e.GetFullMessage());   }}

//------------------------------------------------------------------------------// void OnTextUpdate(wxCommandEvent& event)//------------------------------------------------------------------------------void ParameterSetupPanel::OnTextUpdate(wxCommandEvent& event){   if (mValueTextCtrl->IsModified())   {      mIsValueChanged = true;      EnableUpdate(true);   }}

//------------------------------------------------------------------------------// void OnTextChange()//------------------------------------------------------------------------------void DragInputsDialog::OnTextChange(wxCommandEvent &event){   if (((wxTextCtrl*)event.GetEventObject())->IsModified())   {      EnableUpdate(true);      isTextModified = true;   }}

//------------------------------------------------------------------------void CGunTurret::OnReset(){	if(IScriptTable *pScriptTable = GetEntity()->GetScriptTable())	{		SmartScriptTable props;		if(pScriptTable->GetValue("Properties", props))			ReadProperties(props);	}	CItem::OnReset();	Matrix34 tm = GetEntity()->GetSlotLocalTM(eIGS_Aux0,false);	tm.SetTranslation(GetSlotHelperPos(eIGS_Aux0,m_radarHelper.c_str(),false));	GetEntity()->SetSlotLocalTM(eIGS_ThirdPerson,tm);	if(GetEntity()->IsSlotValid(eIGS_Aux1))	{		tm.SetTranslation(GetSlotHelperPos(eIGS_ThirdPerson,m_barrelHelper.c_str(),false));		GetEntity()->SetSlotLocalTM(eIGS_Aux1,tm);	}	m_targetId = 0;	m_destinationId = 0;	m_updateTargetTimer = 0.0f;	m_abandonTargetTimer = 0.0f;	m_goalYaw = 0.0f;	m_goalPitch = 0.0f;	m_burstTimer = 0.0f;	m_pauseTimer = 0.0f;	m_searchHint = 0;	m_fireHint = 1;	m_deviationPos.zero();	m_randoms[eRV_UpdateTarget].Range(m_turretparams.update_target_time * m_fireparams.randomness);	m_randoms[eRV_AbandonTarget].Range(m_turretparams.abandon_target_time * m_fireparams.randomness);	m_randoms[eRV_BurstTime].Range(m_turretparams.burst_time * m_fireparams.randomness);	m_randoms[eRV_BurstPause].Range(m_turretparams.burst_pause * m_fireparams.randomness);	m_lightId = AttachLight(eIGS_ThirdPerson, m_lightId, false);	StopSound(m_lightSound);	m_lightSound = INVALID_SOUNDID;	if(m_turretparams.light_fov > 0.f)	{		m_lightId = AttachLight(eIGS_ThirdPerson, 0, true, m_turretparams.mg_range, m_searchparams.light_color*m_searchparams.light_diffuse_mul, 1.f/m_searchparams.light_diffuse_mul, m_searchparams.light_texture, m_turretparams.light_fov, m_searchparams.light_helper, Vec3(0,0,0), Vec3(-1,0,0), m_searchparams.light_material, m_searchparams.light_hdr_dyn);		m_lightSound = PlayAction(g_pItemStrings->use_light);	}	SetFiringLocator(this);	if(m_fm2)		m_fm2->Activate(true);	EnableUpdate(true, eIUS_General);}

//------------------------------------------------------------------------------// void OnCheckBoxChange(wxCommandEvent& event)//------------------------------------------------------------------------------void GroundTrackPlotPanel::OnCheckBoxChange(wxCommandEvent& event){   if (event.GetEventObject() == mShowPlotCheckBox)   {      mHasDataOptionChanged = true;   }   else   {   }      EnableUpdate(true);}

void CJaw::Update(SEntityUpdateContext& ctx, int slot){	CWeapon::Update(ctx, slot);	if (!IsSelected())		return;	if(slot == eIUS_Zooming)	{		UpdateLaser(ctx);	}	if (slot != eIUS_General)		return;	UpdatePendingShot();	if (!IsInputFlagSet(CWeapon::eWeaponAction_Zoom) && IsInputFlagSet(CWeapon::eWeaponAction_Fire) && !IsZoomingIn())		AutoZoomOut();	if (m_controllingRocket && !IsZoomed() && !m_zoomTriggerDown)		DoAutoDrop();	if (m_autoDropping)	{		m_autoDropPendingTimer += ctx.fFrameTime;		if (CanAutoDrop())		{			m_autoDropping = false;			DoAutoDrop();		}	}	if (m_dropped)	{		m_dropTime += ctx.fFrameTime;		if (m_dropTime > g_hideTimeAfterDrop)		{			if(gEnv->bServer)			{				if(gEnv->IsEditor())					Hide(true);				else					gEnv->pEntitySystem->RemoveEntity(GetEntity()->GetId());				}			EnableUpdate(false);		}		else		{			RequireUpdate();		}	}}

//------------------------------------------------------------------------------void CelestialBodyPanel::SaveData(){   #if DEBUG_CELESBODY_SAVE      MessageInterface::ShowMessage("in CBPanel, origBody = %p, theBody = %p/n",            origCelestialBody, theCelestialBody);   #endif      canClose = true;      if (properties->IsDataChanged())   {      properties->SaveData();      canClose = canClose && properties->CanClosePanel();   }   if (orbit->IsDataChanged())   {      orbit->SaveData();      canClose = canClose && orbit->CanClosePanel();   }   if (orientation->IsDataChanged())   {      orientation->SaveData();      canClose = canClose && orientation->CanClosePanel();   }   if (visualization->IsDataChanged())   {      visualization->SaveData();      canClose = canClose && visualization->CanClosePanel();   }      if (!canClose)   // why do this???? spacecraft panel did this ....   {      EnableUpdate(true);      return;   }   // copy the current info into origCelestialBody   origCelestialBody->Copy(theCelestialBody);   EnableUpdate(false);}

//------------------------------------------------------------------------------// void OnBrowse()//------------------------------------------------------------------------------void DragInputsDialog::OnBrowse(wxCommandEvent &event){   wxFileDialog dialog(this, _T("Choose a file"), _T(""), _T(""), _T("*.*"));       if (dialog.ShowModal() == wxID_OK)   {      wxString filename;              filename = dialog.GetPath().c_str();   }      EnableUpdate(true);}

IMPLEMENT_RMI(CHeavyMountedWeapon, ClDropped){	if(!m_rippedOff)	{		SetUnMountedConfiguration();		UnlinkMountedGun();		FinishRipOff();		EnableUpdate(false);		BaseClass::Drop(5.0f);	}	return true;}

//------------------------------------------------------------------------void CItem::OnRepaired(){    for (int i=0; i<eIGS_Last; i++)    {        ICharacterInstance *pCharacter = GetEntity()->GetCharacter(i);        if (pCharacter)            pCharacter->SetAnimationSpeed(1.0f);    }    DestroyedGeometry(false);    EnableUpdate(true);}