CWE-ou-minkata/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMgr.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
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*==LICENSE==*/
#include "plCreatableIndex.h"
#include "hsTimer.h"
#include "hsStream.h"
#include "plNetClientMgr.h"
#include "plgDispatch.h"
#include "plPhysical.h"
#include "plNetClientMsgHandler.h"
#include "plNetLinkingMgr.h"
#include "plNetCommon/plNetObjectDebugger.h"

#include "pnUtils/pnUtils.h"
#include "plProduct.h"
#include "pnNetCommon/plSynchedObject.h"
#include "pnNetCommon/plNetServers.h"
#include "pnNetCommon/plSDLTypes.h"
#include "pnKeyedObject/plKey.h"
#include "pnKeyedObject/plFixedKey.h"
#include "pnKeyedObject/hsKeyedObject.h"
#include "pnSceneObject/plSceneObject.h"
#include "pnSceneObject/plObjInterface.h"
#include "pnSceneObject/plCoordinateInterface.h"
#include "pnMessage/plClientMsg.h"
#include "pnMessage/plSDLModifierMsg.h"
#include "pnMessage/plPlayerPageMsg.h"
#include "pnMessage/plTimeMsg.h"
#include "pnModifier/plModifier.h"
#include "pnAsyncCore/pnAsyncCore.h"

#include "plAgeLoader/plAgeLoader.h"
#include "plAgeLoader/plResPatcher.h"
#include "plNetClientRecorder/plNetClientRecorder.h"
#include "plScene/plSceneNode.h"
#include "plNetCommon/plNetCommonConstants.h"
#include "plNetMessage/plNetMessage.h"
#include "plMessage/plLoadAvatarMsg.h"
#include "plMessage/plLoadCloneMsg.h"
#include "plMessage/plSynchEnableMsg.h"
#include "plMessage/plLinkToAgeMsg.h"
#include "plMessage/plLoadAgeMsg.h"
#include "plMessage/plAgeLoadedMsg.h"
#include "plMessage/plCCRMsg.h"
#include "plMessage/plAvatarMsg.h"
#include "plMessage/plNetVoiceListMsg.h"
#include "plMessage/plNetCommMsgs.h"
#include "plMessage/plNetClientMgrMsg.h"
#include "plMessage/plResPatcherMsg.h"
#include "plMessage/plVaultNotifyMsg.h"
#include "plResMgr/plKeyFinder.h"
#include "plResMgr/plPageInfo.h"
#include "plNetTransport/plNetTransportMember.h"
#include "plAgeDescription/plAgeDescription.h"
#include "plAvatar/plAvatarClothing.h"
#include "plAvatar/plArmatureMod.h"
#include "plAvatar/plAvatarMgr.h"
#include "plSurface/plLayerInterface.h"
#include "plStatusLog/plStatusLog.h"
#include "plSDL/plSDL.h"
#include "plUnifiedTime/plUnifiedTime.h"
#include "plFile/plEncryptedStream.h"
#include "plProgressMgr/plProgressMgr.h"
#include "plVault/plVault.h"

#include "pfMessage/pfKIMsg.h"  // Move this to PubUtil level

#if 1   // for debugging
#include "plCreatableIndex.h"   
#include "plModifier/plResponderModifier.h"
#include "plSurface/plLayerAnimation.h"
#endif

#include <algorithm>
#include <sstream>
#include <cmath>


////////////////////////////////////////////////////////////////////

plNetClientMgr::PendingLoad::~PendingLoad()
{
    delete fSDRec;
}

////////////////////////////////////////////////////////////////////

//
// CONSTRUCT
//
#pragma warning(disable:4355)   // this used in initializer list
plNetClientMgr::plNetClientMgr() : 
        fLocalPlayerKey(nil),
        fMsgHandler(this),
        fJoinOrder(0),
        fTaskProgBar(nullptr),
        fMsgRecorder(nil),
        fServerTimeOffset(0),
        fTimeSamples(0),
        fLastTimeUpdate(0),
        fListenListMode(kListenList_Distance),
        fAgeSDLObjectKey(nil),
        fExperimentalLevel(0),
        fOverrideAgeTimeOfDayPercent(-1.f),
        fNumInitialSDLStates(0),
        fRequiredNumInitialSDLStates(0),
        fDisableMsg(nil),
        fIsOwner(true)
{   
#ifndef HS_DEBUGGING
    // release code will timeout inactive players on servers by default
    SetFlagsBit(kAllowTimeOut);
#endif
    SetFlagsBit(kAllowAuthTimeOut);

//  fPlayerVault.SetPlayerName("SinglePlayer"); // in a MP game, this will be replaced with a player name like 'Atrus'
    fTransport.SetNumChannels(kNetNumChannels); 
}
#pragma warning(default:4355)

//
// DESTRUCT
//
plNetClientMgr::~plNetClientMgr()
{
    plSynchedObject::PushSynchDisabled(true);       // disable dirty tracking

    IDeInitNetClientComm(); 

    if (this==GetInstance())
        SetInstance(nil);       // we're going down boys
    IClearPendingLoads();
    delete fTaskProgBar;
}

//
// App is exiting
//
void plNetClientMgr::Shutdown()
{
    ISendDirtyState(hsTimer::GetSysSeconds());

    plNetLinkingMgr::GetInstance()->LeaveAge(true);

    // release all avatar clones
    IUnloadRemotePlayers();
    IUnloadNPCs();

    // Finally, pump the dispatch system so all the new refs get delivered.
    plgDispatch::Dispatch()->MsgQueueProcess();

    if (fMsgRecorder)
    {
        delete fMsgRecorder;
        fMsgRecorder = nil;
    }
    for (int i = 0; i < fMsgPlayers.size(); i++)
        delete fMsgPlayers[i];
    fMsgPlayers.clear();

    IRemoveCloneRoom();

    VaultDestroy();

    // commit hara-kiri
    UnRegisterAs(kNetClientMgr_KEY);
    SetInstance(nullptr);
}

//
// Clear any pending state, probably joining a new age
//
void plNetClientMgr::IClearPendingLoads()
{
    std::for_each( fPendingLoads.begin(), fPendingLoads.end(),
        [](PendingLoad *pl) { delete pl; }
    );
    fPendingLoads.clear();
}

//
// manually add/remove the cloned object room in plClient
//
void plNetClientMgr::IAddCloneRoom()
{
    plSceneNode *cloneRoom = new plSceneNode();
    cloneRoom->RegisterAs(kNetClientCloneRoom_KEY);
    plKey clientKey=hsgResMgr::ResMgr()->FindKey(kClient_KEY);
    plClientRefMsg *pMsg1 = new plClientRefMsg(clientKey, plRefMsg::kOnCreate, -1, plClientRefMsg::kManualRoom);
    hsgResMgr::ResMgr()->AddViaNotify(cloneRoom->GetKey(), pMsg1, plRefFlags::kPassiveRef);
}

//
// manually add/remove the cloned object room in plClient
//
void plNetClientMgr::IRemoveCloneRoom()
{
    plKey cloneRoomKey = hsgResMgr::ResMgr()->FindKey(kNetClientCloneRoom_KEY);
    plSceneNode *cloneRoom = cloneRoomKey ? plSceneNode::ConvertNoRef(cloneRoomKey->ObjectIsLoaded()) : nil;
    if (cloneRoom)
    {
        cloneRoom->UnRegisterAs(kNetClientCloneRoom_KEY);
        cloneRoom = nil;
    }
}       

//
// turn null send on/off.  Null send does everything except actually send the msg out on the socket
//
void plNetClientMgr::SetNullSend(bool on) 
{
}

//
// returns server time in the form "[m/d/y h:m:s]"
//
const char* plNetClientMgr::GetServerLogTimeAsString(plString& timestamp) const
{
    const plUnifiedTime st=GetServerTime();
    timestamp = plFormat("{{{_02}/{_02} {_02}:{_02}:{_02}}",
        st.GetMonth(), st.GetDay(), st.GetHour(), st.GetMinute(), st.GetSecond());
    return timestamp.c_str();
}

//
// support for a single leading tab in statusLog strings
//
const char* ProcessTab(const char* fmt)
{
    static plString s;
    if (fmt && *fmt=='\t')
    {
        s = plFormat("  {}", fmt);
        return s.c_str();
    }
    return fmt;
}

//
// create StatusLog if necessary
//
void plNetClientMgr::ICreateStatusLog() const
{
    if (!fStatusLog)
    {
        fStatusLog = plStatusLogMgr::GetInstance().CreateStatusLog(40, "network.log",
            plStatusLog::kTimestamp | plStatusLog::kFilledBackground | plStatusLog::kAlignToTop | 
            plStatusLog::kServerTimestamp);
    }
}

//
// override for plLoggable
//
bool plNetClientMgr::Log(const plString& str) const
{
    if (str.IsNull() || str.IsEmpty()) {
        return true;
    }

    // prepend raw time
    plString buf2 = plFormat("{.2f} {}", hsTimer::GetSeconds(), ProcessTab(str.c_str()));

    if ( GetConsoleOutput() )
        hsStatusMessage(buf2.c_str());

    GetLog();

    plNetObjectDebugger::GetInstance()->LogMsgIfMatch(buf2.c_str());

    if (fStatusLog) {
        return fStatusLog->AddLine(buf2);
    }

    return true;
}

//
// Display OS version info for log
//
extern std::vector<plString> DisplaySystemVersion();

void plNetClientMgr::IDumpOSVersionInfo() const
{
    DebugMsg("*** OS Info");
    std::vector<plString> versionStrs = DisplaySystemVersion();
    for (auto version = versionStrs.begin(); version != versionStrs.end(); ++version)
        DebugMsg(version->c_str());
}

//
// initialize net client. returns hsFail on err.
//
int plNetClientMgr::Init()
{
    int ret=hsOK;
    hsLogEntry( DebugMsg("*** plNetClientMgr::Init GMT:%s", plUnifiedTime::GetCurrent().Print()) );
    
    IDumpOSVersionInfo();
    
    if (GetFlagsBit(kNullSend))
        SetNullSend(true);

    VaultInitialize();

    RegisterAs( kNetClientMgr_KEY );
    IAddCloneRoom();

    fNetGroups.Reset();

    plgDispatch::Dispatch()->RegisterForExactType(plNetClientMgrMsg::Index(), GetKey());    
    plgDispatch::Dispatch()->RegisterForExactType(plAgeLoadedMsg::Index(), GetKey());   
    plgDispatch::Dispatch()->RegisterForExactType(plAgeLoaded2Msg::Index(), GetKey());  
    plgDispatch::Dispatch()->RegisterForExactType(plCCRPetitionMsg::Index(), GetKey()); 
    plgDispatch::Dispatch()->RegisterForExactType(plPlayerPageMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plInitialAgeStateLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plNetVoiceListMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plClientMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plEvalMsg::Index(), GetKey());

    plgDispatch::Dispatch()->RegisterForExactType(plNetCommAuthMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plNetCommActivePlayerMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plNetCommLinkToAgeMsg::Index(), GetKey());

    // We need plVaultNotifyMsgs for the NetLinkingMgr
    plgDispatch::Dispatch()->RegisterForType(plVaultNotifyMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plResPatcherMsg::Index(), GetKey());

    IInitNetClientComm();

    return ret; 
}

//
// Prepare to send.
// Update p2p transport groups and rcvrs list in some msgs
// Returns channel.
//
int plNetClientMgr::IPrepMsg(plNetMessage* msg)
{
    // pick channel, prepare msg
    int channel=kNetChanDefault;
    plNetMsgVoice* v=plNetMsgVoice::ConvertNoRef(msg);
    if (v)
    {       // VOICE MSG
        channel=kNetChanVoice;
        
        // compute new transport group (from talkList) if necessary
        GetTalkList()->UpdateTransportGroup(this);  
        
        // update receivers list in voice msg based on talk list
        v->Receivers()->Clear();
        int i;
        for(i=0;i<GetTalkList()->GetNumMembers(); i++)
        {
            v->Receivers()->AddReceiverPlayerID(GetTalkList()->GetMember(i)->GetPlayerID());
        }

        if (msg->IsBitSet(plNetMessage::kEchoBackToSender))
            v->Receivers()->AddReceiverPlayerID(GetPlayerID());
    }
    else if (plNetMsgListenListUpdate::ConvertNoRef(msg))
    {   // LISTEN LIST UPDATE MSG
        channel=kNetChanListenListUpdate;

        // update transport group from rcvrs list, add p2p mbrs to trasnport group
        fTransport.ClearChannelGrp(kNetChanListenListUpdate);
        if (IsPeerToPeer())
        {
            plNetMsgReceiversListHelper* rl = plNetMsgReceiversListHelper::ConvertNoRef(msg);
            hsAssert(rl, "error converting msg to rcvrs list?");
            int i;
            for(i=0;i<rl->GetNumReceivers();i++)
            {
                int idx=fTransport.FindMember(rl->GetReceiverPlayerID(i));
                hsAssert(idx!=-1, "error finding transport mbr");
                plNetTransportMember* tm = fTransport.GetMember(idx);
                if (tm->IsPeerToPeer())
                    fTransport.SubscribeToChannelGrp(tm, kNetChanListenListUpdate);
            }
        }
    }
    else if( plNetMsgGameMessageDirected::ConvertNoRef( msg ) )
    {
        channel = kNetChanDirectedMsg;
    }
    return channel;
}

//
// unload other player since we're leaving the age
//
void plNetClientMgr::IUnloadRemotePlayers()
{
    for (size_t i = fRemotePlayerKeys.size(); i > 0; --i)
        plAvatarMgr::GetInstance()->UnLoadAvatar(fRemotePlayerKeys[i-1], true);
    hsAssert(fRemotePlayerKeys.empty(), "Still remote players left when linking out");
}

//
// unload NPCs since we're leaving the age
//
void plNetClientMgr::IUnloadNPCs()
{
    for (size_t i = fNPCKeys.size(); i > 0; --i)
        plAvatarMgr::GetInstance()->UnLoadAvatar(fNPCKeys[i-1], false);
    hsAssert(fNPCKeys.empty(), "Still npcs left when linking out");
}

//
// compute the difference between our clock and the server's in unified time
//
void plNetClientMgr::UpdateServerTimeOffset(plNetMessage* msg)
{
    if ((hsTimer::GetSysSeconds() - fLastTimeUpdate) > 5)
    {
        fLastTimeUpdate = hsTimer::GetSysSeconds();

        const plUnifiedTime& msgSentUT = msg->GetTimeSent();
        if (!msgSentUT.AtEpoch())
        {
            double diff = plUnifiedTime::GetTimeDifference(msgSentUT, plUnifiedTime::GetCurrent());

            if (fServerTimeOffset == 0)
            {
                fServerTimeOffset = diff;
            }
            else
            {
                fServerTimeOffset = fServerTimeOffset + ((diff - fServerTimeOffset) / ++fTimeSamples);
            }

            DebugMsg("Setting server time offset to %f", fServerTimeOffset);
        }
    }
}

void plNetClientMgr::ResetServerTimeOffset(bool delayed)
{
    if (!delayed)
        fServerTimeOffset = 0;
    fTimeSamples = 0;
    fLastTimeUpdate = 0;
}

//
// return the gameservers time
//
plUnifiedTime plNetClientMgr::GetServerTime() const 
{ 
    if ( fServerTimeOffset==0 )     // offline mode or before connecting/calibrating to a server
        return plUnifiedTime::GetCurrent();
    
    plUnifiedTime serverUT;
    if (fServerTimeOffset<0)
        return plUnifiedTime::GetCurrent() - plUnifiedTime(fabs(fServerTimeOffset));
    else
        return  plUnifiedTime::GetCurrent() + plUnifiedTime(fServerTimeOffset);
}

//
// How old is the age
//
double plNetClientMgr::GetCurrentAgeElapsedSeconds() const
{
    return plAgeLoader::GetInstance()->GetCurrAgeDesc().GetAgeElapsedSeconds(GetServerTime());
}

//
// Get the time in the current age (0-1), taking into account the age's day length
//
float plNetClientMgr::GetCurrentAgeTimeOfDayPercent() const
{
    if (fOverrideAgeTimeOfDayPercent>=0)
        return fOverrideAgeTimeOfDayPercent;

    return plAgeLoader::GetInstance()->GetCurrAgeDesc().GetAgeTimeOfDayPercent(GetServerTime());
}

//
// main update fxn for net client code, return hsFail on err
//
int plNetClientMgr::Update(double secs)
{
    int ret=hsOK;   // ret code is unchecked, but what the hay
    
    if (GetFlagsBit(kDisableOnNextUpdate)) {
        SetFlagsBit(kDisableOnNextUpdate, false);
        IDisableNet();
    }
    
    // Pump net messages
    NetCommUpdate();

    static double lastUpdateTime=0;
    double curTime=hsTimer::GetSeconds();
    if (curTime-lastUpdateTime > 1.f)
    {
        DebugMsg("NetClient hasn't updated for %f secs", curTime-lastUpdateTime);
    }
    lastUpdateTime=curTime;

    if (GetFlagsBit(kPlayingGame) )
    {
        MaybeSendPendingPagingRoomMsgs();
        ICheckPendingStateLoad(secs);
        ISendDirtyState(secs);
        IUpdateListenList(secs);
        if (GetFlagsBit(plNetClientApp::kShowLists))
            IShowLists();
        if (GetFlagsBit(plNetClientApp::kShowRooms))
            IShowRooms();
        if (GetFlagsBit(plNetClientApp::kShowAvatars))
            IShowAvatars();
        if (GetFlagsBit(plNetClientApp::kShowRelevanceRegions))
            IShowRelevanceRegions();
    }

    // Send dirty nodes, deliver vault callbacks, etc.
    VaultUpdate();

    plNetLinkingMgr::GetInstance()->Update();

    return ret;
}

//
// See if there is state recvd from the network that needsto be delivered
//
void plNetClientMgr::ICheckPendingStateLoad(double secs)
{
    // We only care if we're in an age or loading state
    if (!(GetFlagsBit(kPlayingGame) || (GetFlagsBit(kLoadingInitialAgeState) && !GetFlagsBit(kNeedInitialAgeStateCount))))
        return;

    for (auto it = fPendingLoads.begin(); it != fPendingLoads.end();)
    {
        PendingLoad* load = *it;

        // If no key has been cached, we need to find it.
        if (!load->fKey)
        {
            load->fKey = hsgResMgr::ResMgr()->FindKey(load->fUoid);

            // By this point, we should have all the age's keys downloaded from filesrv
            // So, if fKey is null at this point, this state is garbage
            if (!load->fKey)
            {
                ErrorMsg("Key `%s` not found. Discarding state for `%s`",
                          load->fUoid.GetObjectName().c_str(),
                          load->fSDRec->GetDescriptor()->GetName().c_str());
                it = fPendingLoads.erase(it);
                delete load;
                continue;
            }
        }

        // Time to deliver the state!
        plSynchedObject* synchObj = plSynchedObject::ConvertNoRef(load->fKey->ObjectIsLoaded());
        if (synchObj && synchObj->IsFinal())
        {
            plSDLModifierMsg* msg = new plSDLModifierMsg(load->fSDRec->GetDescriptor()->GetName(), plSDLModifierMsg::kRecv);
            msg->SetState(load->fSDRec, true);
            load->fSDRec = nullptr;
            msg->SetPlayerID(load->fPlayerID);

#ifdef HS_DEBUGGING
            if (plNetObjectDebugger::GetInstance()->IsDebugObject(synchObj))
            {
                DebugMsg("Delivering SDL State '%s' to %s owned key %s",
                    msg->GetState()->GetDescriptor()->GetName().c_str(),
                    (synchObj->IsLocallyOwned() == plSynchedObject::kYes) ? "locally" : "remote",
                    load->fUoid.StringIze().c_str());
            }
#endif
            msg->Send(load->fKey);
            it = fPendingLoads.erase(it);
            delete load;
        }
        else if (GetFlagsBit(kPlayingGame))
        {
            // If we're playing the game and object isn't loaded/final, then this state is probably
            // never going to be useful (it's from some paged in hack or something that's been deleted)
            // Throw it away.
            it = fPendingLoads.erase(it);
            delete load;
        }
        else
            ++it;
    }
}

//
// Determine the net group for a given object (based on paging unit)
//
plNetGroupId plNetClientMgr::SelectNetGroup(plSynchedObject* objIn, plKey roomKey)
{
    if( objIn->GetSynchFlags() & plSynchedObject::kHasConstantNetGroup )
        return objIn->GetNetGroup();

    return plNetGroupId(roomKey->GetUoid().GetLocation(), 0);
}

//
// Get the net group that an object belongs to, taking into acct
// that objects may derive their net group from another object they belong to.
//
plNetGroupId plNetClientMgr::GetEffectiveNetGroup(const plSynchedObject*& obj) const
{
   plNetGroupId netGroup = plNetGroup::kNetGroupUnknown;
    // the object is an interface, so consider the owner instead 
    const plObjInterface* oInt=plObjInterface::ConvertNoRef(obj);
    if (oInt)
    {
        // the object is an interface, so consider the owner instead 
        if (oInt->GetOwner())
            obj = oInt->GetOwner();
    }   
    else
    {
        const plModifier* mod=plModifier::ConvertNoRef(obj);
        if (mod)
        {
            // the object is a modifier, so consider the first target instead 
            if (mod->GetNumTargets() && mod->GetTarget(0))
                obj = mod->GetTarget(0);
        }
        else
        {
            const plLayerInterface* li = plLayerInterface::ConvertNoRef(obj);
            const plClothingOutfit* cl = plClothingOutfit::ConvertNoRef(obj);
            if (li || cl)
            {
                // the object is a layer interface or clothing object
                plUoid u = obj->GetKey()->GetUoid();
                if (u.GetLocation().IsReserved())
                {
                    // layer interface is associated with an avatar, find which one
                    int cloneID = u.GetCloneID();
                    int clonePlayerID = u.GetClonePlayerID();
                    for(int i = -1; i < RemotePlayerKeys().size(); i++)
                    {
                        plKey pKey = (i==-1) ? GetLocalPlayerKey() : RemotePlayerKeys()[i];
                        if (pKey && pKey->GetUoid().GetCloneID()==cloneID && pKey->GetUoid().GetClonePlayerID()==clonePlayerID)
                        {
                            obj = plSynchedObject::ConvertNoRef(pKey->ObjectIsLoaded());
                            break;
                        }
                    }
                }
                else
                {
                    // layer interface is on a non-avatar object
                    netGroup = u.GetLocation();
                }
            }
            else
            {
                const plPhysical* ph = plPhysical::ConvertNoRef(obj);
                if (ph)
                {
                    // the object is a physical
                    obj = plSynchedObject::ConvertNoRef(ph->GetObjectKey()->ObjectIsLoaded());
                }
            }
        }
    }
    
    if (obj)
        netGroup = obj->GetNetGroup();  
    
    return netGroup;
}

//
// If we don't know for sure if something is locallyOwned, check if it' related to the remote or 
// local avatar.  if not, fallback to join order.
//
int plNetClientMgr::IDeduceLocallyOwned(const plUoid& uoid) const
{
    // check against local/remote avatars
    if (fLocalPlayerKey)
        if (uoid.GetLocation() == fLocalPlayerKey->GetUoid().GetLocation() &&
            uoid.GetClonePlayerID() == fLocalPlayerKey->GetUoid().GetClonePlayerID())
            return plSynchedObject::kYes;   // this object's location is the same as the local player's

    if (!fRemotePlayerKeys.empty())
        if (uoid.GetLocation() == fRemotePlayerKeys.back()->GetUoid().GetLocation() &&
            uoid.GetClonePlayerID() == fRemotePlayerKeys.back()->GetUoid().GetClonePlayerID())
            return plSynchedObject::kNo;    // this object's location is the same as the currently loading remote player's

    return fIsOwner;
}


//
// returns yes/no
// for special cases, like sceneNodes.
//
int plNetClientMgr::IsLocallyOwned(const plUoid& uoid) const
{
    // we're non-networked
    if ( GetFlagsBit(kDisabled))
        return plSynchedObject::kYes;

    plNetGroupId netGroup = uoid.GetLocation();
    int answer=GetNetGroups()->IsGroupLocal(netGroup);
    
    if (answer==-1)
        answer = IDeduceLocallyOwned(uoid);

    hsAssert(answer==plSynchedObject::kYes || answer==plSynchedObject::kNo, "invalid answer to IsLocallyOwned()");
    return answer;
}


//
// check if this object is in a group which is owned (mastered) by this client.
// returns yes/no
//
int plNetClientMgr::IsLocallyOwned(const plSynchedObject* obj) const
{
    // we're non-networked
    if ( GetFlagsBit(kDisabled) )
        return plSynchedObject::kYes;

    if( !obj )
        return plSynchedObject::kNo;

    // object is flagged as local only
    if (!obj->IsNetSynched())
        return plSynchedObject::kYes;

    plNetGroupId netGroup = GetEffectiveNetGroup(obj);
    int answer=GetNetGroups()->IsGroupLocal(netGroup);

    if (answer==-1)     // not sure
        answer = IDeduceLocallyOwned(obj->GetKey()->GetUoid());

    hsAssert(answer==plSynchedObject::kYes || answer==plSynchedObject::kNo, "invalid answer to IsLocallyOwned()");
    return answer;
}

//
// return localPlayer ptr
//
plSynchedObject* plNetClientMgr::GetLocalPlayer(bool forceLoad) const
{ 
    if (forceLoad)
        return fLocalPlayerKey ? plSynchedObject::ConvertNoRef(fLocalPlayerKey->GetObjectPtr()) : nil; 
    else
        return fLocalPlayerKey ?
            plSynchedObject::ConvertNoRef(fLocalPlayerKey->ObjectIsLoaded()) : nil; 
}

plSynchedObject* plNetClientMgr::GetNPC(uint32_t i) const
{
    if (i >= fNPCKeys.size())
        return nullptr;
    return plSynchedObject::ConvertNoRef(fNPCKeys[i]->ObjectIsLoaded()); 
}

void plNetClientMgr::AddNPCKey(const plKey& npc)
{
    // note: npc keys have little sanity checking...
    hsAssert(npc, "adding nil npc key? naughty, naughty...");
    fNPCKeys.push_back(npc);
}

bool plNetClientMgr::IsNPCKey(const plKey& npc, int* idx) const
{
    if (npc)
    {
        plKeyVec::const_iterator it = std::find(fNPCKeys.begin(), fNPCKeys.end(), npc);
        bool found = it != fNPCKeys.end();
        if (idx)
            *idx = found ? (it - fNPCKeys.begin()) : -1;
        return found;
    }
    return false;
}

//
// return a ptr to a remote player
//
plSynchedObject* plNetClientMgr::GetRemotePlayer(int i) const
{ 
    return fRemotePlayerKeys[i] ? plSynchedObject::ConvertNoRef(fRemotePlayerKeys[i]->ObjectIsLoaded()) : nil; 
}

//
// check if a key si a remote player
//
bool plNetClientMgr::IsRemotePlayerKey(const plKey pKey, int *idx)
{
    if (pKey)
    {
        plKeyVec::iterator result=std::find(fRemotePlayerKeys.begin(), fRemotePlayerKeys.end(), pKey);
        bool found = result!=fRemotePlayerKeys.end();
        if (idx)
            *idx = found ? result-fRemotePlayerKeys.begin() : -1;
        return found;
    }
    return false;
}

//
// add remote char if not already there
//
void plNetClientMgr::AddRemotePlayerKey(plKey pKey)
{
    hsAssert(pKey, "adding nil remote player key");
    if (!IsRemotePlayerKey(pKey))
    {
        fRemotePlayerKeys.push_back(pKey);
        hsAssert(pKey!=fLocalPlayerKey, "setting remote player to the local player?");
    }
}

//
// MsgReceive handler for plasma messages
//
bool plNetClientMgr::MsgReceive( plMessage* msg )
{
    if (plNetLinkingMgr::GetInstance()->MsgReceive( msg ))
        return true;

    plEvalMsg* evalMsg = plEvalMsg::ConvertNoRef(msg);
    if (evalMsg)
    {
        IPlaybackMsgs();

        if ( GetFlagsBit( kNeedToSendAgeLoadedMsg ) )
        {
            SetFlagsBit( kNeedToSendAgeLoadedMsg, false );
            plAgeLoader::GetInstance()->NotifyAgeLoaded( true );
        }

        if ( GetFlagsBit( kNeedToSendInitialAgeStateLoadedMsg ) )
        {
            SetFlagsBit(kNeedToSendInitialAgeStateLoadedMsg, false);
            plInitialAgeStateLoadedMsg* m = new plInitialAgeStateLoadedMsg;
            m->Send();
        }

        return true;
    }

    plGenRefMsg* ref = plGenRefMsg::ConvertNoRef(msg);
    if (ref)
    {
        if( ref->fType == kVaultImage )
        {
            // Ignore, we just use it for reffing, don't care about the actual pointer
            return true;
        }

        hsAssert(ref->fType==kAgeSDLHook, "unknown ref msg context");
        if (ref->GetContext()==plRefMsg::kOnCreate)
        {
            hsAssert(fAgeSDLObjectKey==nil, "already have a ref to age sdl hook");
            fAgeSDLObjectKey = ref->GetRef()->GetKey();
            DebugMsg("Age SDL hook object created, uoid=%s", fAgeSDLObjectKey->GetUoid().StringIze().c_str());
        }
        else
        {
            fAgeSDLObjectKey=nil;
            DebugMsg("Age SDL hook object destroyed");
        }
        return true;
    }

    if (plNetClientMgrMsg * ncmMsg = plNetClientMgrMsg::ConvertNoRef(msg)) {
        if (ncmMsg->type == plNetClientMgrMsg::kCmdDisableNet) {
            SetFlagsBit(kDisableOnNextUpdate);
            hsRefCnt_SafeUnRef(fDisableMsg);
            fDisableMsg = ncmMsg;
            fDisableMsg->Ref();
        }
        return true;
    }
    
    if (plNetCommAuthMsg * authMsg = plNetCommAuthMsg::ConvertNoRef(msg)) {
        if (IS_NET_ERROR(authMsg->result)) {
            char str[256];
            StrPrintf(str, arrsize(str), "Authentication failed: %S", NetErrorToString(authMsg->result));
            QueueDisableNet(true, str);
            return false;   // @@@ TODO: Handle this failure better
        }

        return true;
    }

    if (plNetCommActivePlayerMsg * activePlrMsg = plNetCommActivePlayerMsg::ConvertNoRef(msg)) {
        if (IS_NET_ERROR(activePlrMsg->result)) {
            char str[256];
            StrPrintf(str, arrsize(str), "SetActivePlayer failed: %S", NetErrorToString(activePlrMsg->result));
            QueueDisableNet(true, str);
            return false;   // @@@ TODO: Handle this failure better.
        }
            
        return true;
    }

    plPlayerPageMsg *playerPageMsg = plPlayerPageMsg::ConvertNoRef(msg);
    if(playerPageMsg)
    {
        IHandlePlayerPageMsg(playerPageMsg);
        return true;    // handled
    }

    plLoadCloneMsg* pCloneMsg = plLoadCloneMsg::ConvertNoRef(msg);
    if(pCloneMsg)
    {
        ILoadClone(pCloneMsg);
        return true;    // handled
    }

    // player is petitioning a CCR
    plCCRPetitionMsg* petMsg=plCCRPetitionMsg::ConvertNoRef(msg);
    if (petMsg)
    {
        ISendCCRPetition(petMsg);
        return true;
    }

    // a remote CCR is turning invisible
    plCCRInvisibleMsg* invisMsg=plCCRInvisibleMsg::ConvertNoRef(msg);
    if (invisMsg)
    {
        LogMsg(kLogDebug, "plNetClientMgr::MsgReceive - Got plCCRInvisibleMsg");
        MakeCCRInvisible(invisMsg->fAvKey, invisMsg->fInvisLevel);
        return true;
    }
    
    plCCRBanLinkingMsg* banLinking = plCCRBanLinkingMsg::ConvertNoRef(msg);
    if (banLinking)
    {
        DebugMsg("Setting BanLinking to %d", banLinking->fBan);
        SetFlagsBit(kBanLinking, banLinking->fBan);
        return true;
    }

    plCCRSilencePlayerMsg* silence = plCCRSilencePlayerMsg::ConvertNoRef(msg);
    if (silence)
    {
        DebugMsg("Setting Silence to %d", silence->fSilence);
        SetFlagsBit(kSilencePlayer, silence->fSilence);
        return true;
    }

    plNetVoiceListMsg* voxList = plNetVoiceListMsg::ConvertNoRef(msg);
    if (voxList)
    {
        IHandleNetVoiceListMsg(voxList);
        return true;
    }

    plSynchEnableMsg* synchEnable = plSynchEnableMsg::ConvertNoRef(msg);
    if (synchEnable)
    {
        if (synchEnable->fPush)
        {
            plSynchedObject::PushSynchDisabled(!synchEnable->fEnable);
        }
        else
        {
            plSynchedObject::PopSynchDisabled();
        }
        return true;
    }

    plClientMsg* clientMsg = plClientMsg::ConvertNoRef(msg);
    if (clientMsg && clientMsg->GetClientMsgFlag()==plClientMsg::kInitComplete)
    {
        // add 1 debug object for age sdl
        if (plNetObjectDebugger::GetInstance())
        {
            plNetObjectDebugger::GetInstance()->RemoveDebugObject("AgeSDLHook");    
            plNetObjectDebugger::GetInstance()->AddDebugObject("AgeSDLHook");
        }

        // if we're linking to startup we don't need (or want) a player set
        plString ageName = NetCommGetStartupAge()->ageDatasetName;
        if (ageName.IsEmpty())
            ageName = "StartUp";
        if (ageName.CompareI("StartUp") == 0)
            NetCommSetActivePlayer(0, nullptr);

        plAgeLinkStruct link;
        link.GetAgeInfo()->SetAgeFilename(NetCommGetStartupAge()->ageDatasetName);
        link.SetLinkingRules(plNetCommon::LinkingRules::kOriginalBook);
        plNetLinkingMgr::GetInstance()->LinkToAge(&link);

        return true;
    }
    
    return plNetClientApp::MsgReceive(msg);
}

void plNetClientMgr::IncNumInitialSDLStates()
{
    fNumInitialSDLStates++;
    DebugMsg( "Received %d initial SDL states", fNumInitialSDLStates );
    if ( GetFlagsBit( plNetClientApp::kNeedInitialAgeStateCount ) )
    {
        DebugMsg( "Need initial SDL state count" );
        return;
    }

    if ( GetNumInitialSDLStates()>=GetRequiredNumInitialSDLStates() )
    {
        ICheckPendingStateLoad(hsTimer::GetSysSeconds());
        NotifyRcvdAllSDLStates();
    }
}

void plNetClientMgr::NotifyRcvdAllSDLStates() {
    DebugMsg( "Got all initial SDL states" );
    plNetClientMgrMsg * msg = new plNetClientMgrMsg(plNetClientMgrMsg::kNotifyRcvdAllSDLStates);
    msg->SetBCastFlag(plMessage::kBCastByType);
    msg->Send();
}

//
// return true if we should send this msg
//
bool plNetClientMgr::CanSendMsg(plNetMessage * msg)
{
    // TEMP
    if (GetFlagsBit(kSilencePlayer))
    {
        if (plNetMsgVoice::ConvertNoRef(msg))
            return false;

        plNetMsgGameMessage* gm=plNetMsgGameMessage::ConvertNoRef(msg);
        if (gm && gm->StreamInfo()->GetStreamType()==pfKIMsg::Index())
        {
            hsReadOnlyStream stream(gm->StreamInfo()->GetStreamLen(), gm->StreamInfo()->GetStreamBuf());
            pfKIMsg* kiMsg = pfKIMsg::ConvertNoRef(hsgResMgr::ResMgr()->ReadCreatable(&stream));
            if (kiMsg && kiMsg->GetCommand()==pfKIMsg::kHACKChatMsg)
            {
                delete kiMsg;
                return false;
            }
            delete kiMsg;
        }
    }

    return true;
}

//
// Return the net client (account) name of the player whose avatar
// key is provided.  If avKey is nil, returns local client name.
//
plString plNetClientMgr::GetPlayerName(const plKey avKey) const
{
    // local case
    if (!avKey || avKey == GetLocalPlayerKey())
        return NetCommGetPlayer()->playerName;

    plNetTransportMember* mbr=TransportMgr().GetMember(TransportMgr().FindMember(avKey));
    return mbr ? mbr->GetPlayerName() : plString::Null;
}

plString plNetClientMgr::GetPlayerNameById (unsigned playerId) const {
    // local case
    if (NetCommGetPlayer()->playerInt == playerId)
        return NetCommGetPlayer()->playerName;

    plNetTransportMember * mbr = TransportMgr().GetMember(TransportMgr().FindMember(playerId));
    return mbr ? mbr->GetPlayerName() : plString::Null;
}

unsigned plNetClientMgr::GetPlayerIdByName (const plString & name) const {
    // local case
    if (name.CompareI(NetCommGetPlayer()->playerName) == 0)
        return NetCommGetPlayer()->playerInt;

    unsigned n = TransportMgr().GetNumMembers();
    for (unsigned i = 0; i < n; ++i)
        if (plNetTransportMember * member = TransportMgr().GetMember(i))
            if (0 == name.Compare(member->GetPlayerName()))
                return member->GetPlayerID();
    return 0;
}

uint32_t plNetClientMgr::GetPlayerID() const
{
    return NetCommGetPlayer()->playerInt;
}

//
// return true if the age is the set of local ages
//
static const char* gLocalAges[]={"GUI", "AvatarCustomization", ""};
static bool IsLocalAge(const char* ageName)
{
    int i=0;
    while(strlen(gLocalAges[i]))
    {
        if (!stricmp(gLocalAges[i], ageName))
            return true;
        i++;
    }
    return false;
}

//
// is the object in a local age?
//
bool plNetClientMgr::ObjectInLocalAge(const plSynchedObject* obj) const
{
    plLocation loc = obj->GetKey()->GetUoid().GetLocation();
    const plPageInfo* pageInfo = plKeyFinder::Instance().GetLocationInfo(loc);
    bool ret= IsLocalAge(pageInfo->GetAge().c_str());
    return ret;
}

//
// the next age we are going to
//
plString plNetClientMgr::GetNextAgeFilename() const
{ 
    // set when we start linking to an age.
    plNetLinkingMgr * lm = plNetLinkingMgr::GetInstance();
    return lm->GetAgeLink()->GetAgeInfo()->GetAgeFilename();
}

//
// a remote ccr is turning [in]visible
//
void plNetClientMgr::MakeCCRInvisible(plKey avKey, int level)
{
    if (!avKey)
    {
        ErrorMsg("Failed to make remote CCR Invisible, nil avatar key");
        return;
    }
        
    if (level<0)
    {
        ErrorMsg("Failed to make remote CCR Invisible, negative level");
        return;
    }
    
    if (!avKey->ObjectIsLoaded() || !avKey->ObjectIsLoaded()->IsFinal())
    {
        hsAssert(false, "avatar not loaded or final");
        return;
    }
    
    plAvatarStealthModeMsg *msg = new plAvatarStealthModeMsg();
    msg->SetSender(avKey);
    msg->fLevel = level;

    if (GetCCRLevel()<level)    // I'm a lower level than him, so he's invisible to me
        msg->fMode = plAvatarStealthModeMsg::kStealthCloaked;       
    else
    {
        // he's visible to me
        if (AmCCR() && level > 0)
            msg->fMode = plAvatarStealthModeMsg::kStealthCloakedButSeen;    // draw as semi-invis
        else
            msg->fMode = plAvatarStealthModeMsg::kStealthVisible;
    }

    DebugMsg("Handled MakeCCRInvisible - sending stealth msg");;

    // This fxn is called when avatar SDL state is received from the server,
    // so this msg will inherit the 'non-local' status of the parent sdl msg.
    // That means that the avatar linkSound won't receive it, since the linkSound
    // is set as localOnly.
    // So, terminate the remote cascade and start a new (local) cascade.
    msg->SetBCastFlag(plMessage::kNetStartCascade); 
    
    msg->Send();
}

void plNetClientMgr::QueueDisableNet (bool showDlg, const char str[]) {

    plNetClientMgrMsg * msg = new plNetClientMgrMsg(plNetClientMgrMsg::kCmdDisableNet,
                                                    showDlg, str);

#if 0
    msg->Send(GetKey());
#else
    msg->Ref();
    fDisableMsg = msg;
    IDisableNet();
#endif
}

void plNetClientMgr::IDisableNet () {
    ASSERT(fDisableMsg);
    
    if (!GetFlagsBit(kDisabled)) {
        SetFlagsBit(kDisabled);
        // cause subsequent net operations to fail immediately, but don't block
        // waiting for net subsystem to shutdown (we'll do that later)
        NetCommEnableNet(false, false);

        // display a msg to the player
        if ( fDisableMsg->yes )
        {
            if (!GetFlagsBit(plNetClientApp::kPlayingGame))
            {
                // KI may not be loaded
                plString title = plFormat("{} Error", plProduct::CoreName());
                hsMessageBox(fDisableMsg->str, title.c_str(), hsMessageBoxNormal, hsMessageBoxIconError );
                plClientMsg *quitMsg = new plClientMsg(plClientMsg::kQuit);
                quitMsg->Send(hsgResMgr::ResMgr()->FindKey(kClient_KEY));
            }
            else
            {
                pfKIMsg *msg = new pfKIMsg(pfKIMsg::kKIOKDialog);
                msg->SetString(fDisableMsg->str);
                msg->Send();
            }
        }
    }

    hsRefCnt_SafeUnRef(fDisableMsg);
    fDisableMsg = nil;
}

bool plNetClientMgr::IHandlePlayerPageMsg(plPlayerPageMsg *playerMsg)
{
    bool result = false;
    plKey playerKey = playerMsg->fPlayer;
    int idx;

    if(playerMsg->fUnload)
    {
        if (GetLocalPlayerKey() == playerKey)
        {
            fLocalPlayerKey = nil;
            DebugMsg("Net: Unloading local player %s", playerKey->GetName().c_str());

            // notify server - NOTE: he might not still be around to get this...
            plNetMsgPlayerPage npp (playerKey->GetUoid(), playerMsg->fUnload);
            npp.SetNetProtocol(kNetProtocolCli2Game);
            SendMsg(&npp);
        }
        else if (IsRemotePlayerKey(playerKey, &idx))
        {
            fRemotePlayerKeys.erase(fRemotePlayerKeys.begin()+idx); // remove key from list
            DebugMsg("Net: Unloading remote player %s", playerKey->GetName().c_str());
        }
    }
    else
    {
        plSceneObject *playerSO = plSceneObject::ConvertNoRef(playerKey->ObjectIsLoaded());
        if (!playerSO)
        {
            hsStatusMessageF("Ignoring player page message for non-existant player.");
        }
        else
        if(playerMsg->fPlayer)
        {
            if (playerMsg->fLocallyOriginated)
            {
                hsAssert(!GetLocalPlayerKey() ||
                    GetLocalPlayerKey() == playerKey,
                    "Different local player already loaded");

                hsLogEntry(DebugMsg("Adding LOCAL player %s\n", playerKey->GetName().c_str()));
                playerSO->SetNetGroupConstant(plNetGroup::kNetGroupLocalPlayer);

                // don't save avatar state permanently on server
                playerSO->SetSynchFlagsBit(plSynchedObject::kAllStateIsVolatile);               
                const plCoordinateInterface* co = playerSO->GetCoordinateInterface();
                if (co)
                {
                    int i;
                    for(i=0;i<co->GetNumChildren();i++)
                    {
                        if (co->GetChild(i) && co->GetChild(i)->GetOwner())
                                const_cast<plSceneObject*>(co->GetChild(i)->GetOwner())->SetSynchFlagsBit(plSynchedObject::kAllStateIsVolatile);
                    }
                }

                // notify server
                plNetMsgPlayerPage npp (playerKey->GetUoid(), playerMsg->fUnload);
                npp.SetNetProtocol(kNetProtocolCli2Game);
                SendMsg(&npp);
            }
            else
            {
                hsLogEntry(DebugMsg("Adding REMOTE player %s\n", playerKey->GetName().c_str()));
                playerSO->SetNetGroupConstant(plNetGroup::kNetGroupRemotePlayer);
                idx=fTransport.FindMember(playerMsg->fClientID);
                if( idx != -1 )
                {
                    hsAssert(playerKey, "NIL KEY?");
                    hsAssert(!playerKey->GetName().IsNull(), "UNNAMED KEY");
                    fTransport.GetMember(idx)->SetAvatarKey(playerKey);
                }
                else
                {
                    hsLogEntry(DebugMsg("Ignoring player page msg (player not found in member list) : %s\n", playerKey->GetName().c_str()));
                }
            }

            hsAssert(IFindModifier(playerSO, CLASS_INDEX_SCOPED(plAvatarSDLModifier)), "avatar missing avatar SDL modifier");
            hsAssert(IFindModifier(playerSO, CLASS_INDEX_SCOPED(plClothingSDLModifier)), "avatar missing clothing SDL modifier");
            hsAssert(IFindModifier(playerSO, CLASS_INDEX_SCOPED(plAGMasterSDLModifier)), "avatar missing AGMaster SDL modifier");
            result = true;
        }
    }
    return result;
}

// for debugging purposes
bool plNetClientMgr::IFindModifier(plSynchedObject* obj, int16_t classIdx)
{
    plLayerAnimation* layer = plLayerAnimation::ConvertNoRef(obj);
    if (layer)
        return (layer->GetSDLModifier() != nil);

    plResponderModifier* resp = plResponderModifier::ConvertNoRef(obj);
    if (resp)
        return (resp->GetSDLModifier() != nil);

    int cnt=0;
    plSceneObject* sceneObj=plSceneObject::ConvertNoRef(obj);
    if (sceneObj)
    {
        int i;
        for(i=0; i<sceneObj->GetNumModifiers(); i++)
            if (sceneObj->GetModifier(i) && sceneObj->GetModifier(i)->ClassIndex()==classIdx)
                cnt++;
    }

    hsAssert(cnt<2, plFormat("Object {} has multiple SDL modifiers of the same kind ({})?",
             obj->GetKeyName(), plFactory::GetNameOfClass(classIdx)).c_str());
    return cnt==0 ? false : true;
}

plUoid plNetClientMgr::GetAgeSDLObjectUoid(const plString& ageName) const
{
    hsAssert(!ageName.IsEmpty(), "nil ageName");

    // if age sdl hook is loaded
    if (fAgeSDLObjectKey)
        return fAgeSDLObjectKey->GetUoid();

    // if age is loaded
    plLocation loc = plKeyFinder::Instance().FindLocation(ageName,plAgeDescription::GetCommonPage(plAgeDescription::kGlobal));
    if (!loc.IsValid())
    {
        // check current age des
        if (plAgeLoader::GetInstance()->GetCurrAgeDesc().GetAgeName() == ageName)
            loc=plAgeLoader::GetInstance()->GetCurrAgeDesc().CalcPageLocation("BuiltIn");

        if (!loc.IsValid())
        {
            // try to load age desc
            hsStream* stream=plAgeLoader::GetAgeDescFileStream(ageName);
            if (stream)
            {
                plAgeDescription ad;
                ad.Read(stream);
                loc=ad.CalcPageLocation("BuiltIn");
                stream->Close();
            }           
            delete stream;
        }
    }

    return plUoid(loc, plSceneObject::Index(), plSDL::kAgeSDLObjectName);
}

//
// Add a state update to the pending queue
//
void plNetClientMgr::AddPendingLoad(PendingLoad *pl) 
{ 
    // find corresponding key
    pl->fKey = hsgResMgr::ResMgr()->FindKey(pl->fUoid);

#ifdef HS_DEBUGGING
    // check for age SDL state
    if (!pl->fUoid.GetObjectName().IsNull() && !pl->fUoid.GetObjectName().Compare(plSDL::kAgeSDLObjectName))
    {
        DebugMsg("Recv SDL state for age hook object, uoid=%s", pl->fUoid.StringIze().c_str());
        if (!pl->fKey)
            WarningMsg("Can't find age hook object, nil key!");
        else
            DebugMsg("Found age hook object");
    }
#endif

    // check if object is ready
    if (pl->fKey)
    {
        if (!pl->fKey->ObjectIsLoaded())
        {
            WarningMsg("Object %s not loaded, withholding SDL state", 
                pl->fKey->GetUoid().StringIze().c_str());
        }
        else if (!pl->fKey->ObjectIsLoaded()->IsFinal())
        {
            WarningMsg("Object %s is not FINAL, withholding SDL state", 
                pl->fKey->GetUoid().StringIze().c_str());
        }
    }

    // add entry
    fPendingLoads.push_back(pl);
}

void plNetClientMgr::AddPendingPagingRoomMsg( plNetMsgPagingRoom * msg )
{
    fPendingPagingRoomMsgs.push_back( msg );
}

void plNetClientMgr::MaybeSendPendingPagingRoomMsgs()
{
    if ( GetFlagsBit( kPlayingGame ) )
        SendPendingPagingRoomMsgs();
}

void plNetClientMgr::SendPendingPagingRoomMsgs()
{
    for ( int i=0; i<fPendingPagingRoomMsgs.size(); i++ )
        SendMsg( fPendingPagingRoomMsgs[i] );
    ClearPendingPagingRoomMsgs();
}

void plNetClientMgr::ClearPendingPagingRoomMsgs()
{
    std::for_each( fPendingPagingRoomMsgs.begin(), fPendingPagingRoomMsgs.end(),
        [](plNetMsgPagingRoom *pr) { delete pr; }
    );
    fPendingPagingRoomMsgs.clear();
}

void plNetClientMgr::BeginTask()
{
    fTaskProgBar = plProgressMgr::GetInstance()->RegisterOverallOperation(0.f);
}

void plNetClientMgr::EndTask()
{
    delete fTaskProgBar;
    fTaskProgBar = nullptr;
}

bool plNetClientMgr::DebugMsgV(const char* fmt, va_list args) const 
{
    LogMsgV(kLogDebug, fmt, args);
    return true;
}

bool plNetClientMgr::ErrorMsgV(const char* fmt, va_list args) const 
{
    LogMsgV(kLogError, fmt, args);
    return true;
}

bool plNetClientMgr::WarningMsgV(const char* fmt, va_list args) const 
{
    LogMsgV(kLogError, fmt, args);
    return true;
}

bool plNetClientMgr::AppMsgV(const char* fmt, va_list args) const 
{
    LogMsgV(kLogPerf, fmt, args);
    return true;
}

bool plNetClientMgr::IsObjectOwner()
{
    return fIsOwner;
}

void plNetClientMgr::SetObjectOwner(bool own)
{
    fIsOwner = own;
}