CWE-ou-minkata/Sources/Plasma/PubUtilLib/plNetClient/plNetClientMsgHandler.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
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
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,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
licensors of this Program grant you additional
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
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*==LICENSE==*/
#include "hsTimer.h"
#include "plNetClientMgr.h"
#include "plNetClientMsgHandler.h"
#include "hsResMgr.h"
#include "plCreatableIndex.h"
#include "plgDispatch.h"
#include "plNetLinkingMgr.h"
#include "plCCRMgrBase.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/plObjRefMsg.h"
#include "pnMessage/plNodeRefMsg.h"
#include "pnMessage/plClientMsg.h"
//#include "pnMessage/plWarpMsg.h"
#include "pnMessage/plTimeMsg.h"
#include "pnMessage/plCameraMsg.h"
#include "pnMessage/plPlayerPageMsg.h"
#include "pnFactory/plCreator.h"
#include "pnSceneObject/plAudioInterface.h"
#include "pnNetCommon/plSDLTypes.h"

#include "plAudible/plWinAudible.h"
#include "plAvatar/plAvatarMgr.h"
#include "plNetTransport/plNetTransportMember.h"
#include "plMessage/plMemberUpdateMsg.h"
#include "plMessage/plNetOwnershipMsg.h"
#include "plMessage/plCCRMsg.h"
#include "plVault/plVault.h"
#include "plSDL/plSDL.h"
#include "plNetCommon/plNetCommonConstants.h"
#include "plNetMessage/plNetMessage.h"
#include "plNetMessage/plNetCommonMessage.h"

#include "pfMessage/pfKIMsg.h"      // Should be moved to PubUtil level

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

plNetClientMsgHandler::plNetClientMsgHandler(plNetClientMgr * mgr)
{
    SetNetApp(mgr);
}

plNetClientMsgHandler::~plNetClientMsgHandler()
{
}

plNetClientMgr * plNetClientMsgHandler::IGetNetClientMgr()
{
    return plNetClientMgr::ConvertNoRef(GetNetApp());
}

int plNetClientMsgHandler::PeekMsg(plNetMessage * netMsg)
{
    plNetClientMgr * nc = IGetNetClientMgr();
    int cnt = -1;
    if (netMsg->GetNetCoreMsg())    // && !netMsg->Peeked())    // not needed
    {
        cnt = netMsg->PeekBuffer(netMsg->GetNetCoreMsg()->GetData(), netMsg->GetNetCoreMsg()->GetLen());
        hsAssert(cnt,"0 length message");
    }
    return cnt;
}

void plNetClientMsgHandler::IFillInTransportMember(const plNetMsgMemberInfoHelper* mbi, plNetTransportMember* mbr)
{
    const plNetClientMgr* nc=IGetNetClientMgr();
    UInt16 port = mbi->GetClientGuid()->GetSrcPort();
    UInt32 addr = mbi->GetClientGuid()->GetSrcAddr();       
    UInt32 flags = mbi->GetFlags();
    UInt32 plrID = mbi->GetClientGuid()->GetPlayerID();
    plUoid avUoid = mbi->GetAvatarUoid();
    plKey avKey=hsgResMgr::ResMgr()->FindKey(avUoid);

    mbr->SetPlayerName(mbi->GetClientGuid()->GetPlayerName());
    mbr->SetFlags(flags);
    mbr->SetPlayerID(plrID);
    mbr->SetCCRLevel(mbi->GetClientGuid()->GetCCRLevel());
    if (avKey)
        mbr->SetAvatarKey(avKey);
}

int plNetClientMsgHandler::ReceiveMsg(plNetMessage *& netMsg)
{
#ifdef HS_DEBUGGING
    //plNetClientMgr::GetInstance()->DebugMsg("<RCV> %s", netMsg->ClassName());
#endif

    plNetClientMgr::GetInstance()->UpdateServerTimeOffset(netMsg);
    
    switch(netMsg->ClassIndex())
    {
        default:
            plNetClientMgr::GetInstance()->ErrorMsg( "Unknown msg: %s", netMsg->ClassName() );
            return hsFail;

        MSG_HANDLER_CASE(plNetMsgTerminated)
        MSG_HANDLER_CASE(plNetMsgGroupOwner)

        case CLASS_INDEX_SCOPED(plNetMsgSDLStateBCast):
            MSG_HANDLER_CASE(plNetMsgSDLState)
            
        case CLASS_INDEX_SCOPED(plNetMsgGameMessageDirected):
        case CLASS_INDEX_SCOPED(plNetMsgLoadClone):
            MSG_HANDLER_CASE(plNetMsgGameMessage)

        MSG_HANDLER_CASE(plNetMsgVoice)
        MSG_HANDLER_CASE(plNetMsgMembersList)
        MSG_HANDLER_CASE(plNetMsgMemberUpdate)
        MSG_HANDLER_CASE(plNetMsgListenListUpdate)
        MSG_HANDLER_CASE(plNetMsgInitialAgeStateSent)
    }
}

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

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgTerminated)
{
    return hsOK;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgGroupOwner)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgGroupOwner* m = plNetMsgGroupOwner::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/

    /*
    plNetOwnershipMsg* netOwnMsg = TRACKED_NEW plNetOwnershipMsg;

    int i;
    for(i=0;i<m->GetNumGroups();i++)
    {
        plNetMsgGroupOwner::GroupInfo gr=m->GetGroupInfo(i);
        netOwnMsg->AddGroupInfo(gr);
        nc->GetNetGroups()->SetGroup(gr.fGroupID, gr.fOwnIt!=0 ? true : false);
        hsLogEntry( nc->DebugMsg("\tGroup 0x%x, ownIt=%d\n", (const char*)gr.fGroupID.Room().GetSequenceNumber(), gr.fOwnIt) );
    }

    if (netOwnMsg->GetNumGroups())
        netOwnMsg->Send();
    else
        delete netOwnMsg;
    */

    nc->SetObjectOwner(m->IsOwner());

    return hsOK;
}



MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgSDLState)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgSDLState* m = plNetMsgSDLState::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/

    UInt32 rwFlags = 0;

    if ( m->IsInitialState() )
    {
        nc->IncNumInitialSDLStates();
        rwFlags |= plSDL::kMakeDirty;   // if initial state, we want all vars.
    }
    else if ( nc->GetFlagsBit( plNetClientApp::kLoadingInitialAgeState ) )
    {
        if ( nc->GetFlagsBit( plNetClientApp::kNeedInitialAgeStateCount ) )
        {
            hsLogEntry( nc->DebugMsg( "Ignoring SDL state because we are still joining age and don't have initial age state count yet." ) );
            return hsOK;
        }
        if ( nc->GetNumInitialSDLStates()<nc->GetRequiredNumInitialSDLStates() )
        {
            hsLogEntry( nc->DebugMsg( "Ignoring SDL state because we are still joining age and have not received all initial state yet." ) );
            return hsOK;
        }
        hsLogEntry( nc->DebugMsg( "We are still joining age, but have all initial states. Accepting this state (risky?)." ) );
    }
    

    // extract stateDataRecord from msg
    hsReadOnlyStream stream(m->StreamInfo()->GetStreamLen(), m->StreamInfo()->GetStreamBuf());
    char* descName = nil;
    int ver;
    plStateDataRecord::ReadStreamHeader(&stream, &descName, &ver);
    plStateDescriptor* des = plSDLMgr::GetInstance()->FindDescriptor(descName, ver);
    
    if (stricmp(descName, kSDLAvatarPhysical) == 0)
        rwFlags |= plSDL::kKeepDirty;

    //
    // ERROR CHECK SDL FILE
    //
    plStateDataRecord* sdRec  = des ? TRACKED_NEW plStateDataRecord(des) : nil;
    if (!sdRec || sdRec->GetDescriptor()->GetVersion()!=ver)
    {
        std::string err;
        if (!sdRec)
            err = xtl::format( "SDL descriptor %s missing, v=%d", descName, ver);
        else
            err = xtl::format( "SDL descriptor %s, version mismatch, server v=%d, client v=%d",
                descName, ver, sdRec->GetDescriptor()->GetVersion());

        hsAssert(false, err.c_str());
        nc->ErrorMsg(const_cast<char*>(err.c_str()));

        // Post Quit message
        nc->QueueDisableNet(true, "SDL Desc Problem");      
        delete sdRec;
    }
    else if( sdRec->Read( &stream, 0, rwFlags ) )
    {
        plStateDataRecord* stateRec = nil;
        if (m->IsInitialState())
        {
            stateRec = TRACKED_NEW plStateDataRecord(des);
            stateRec->SetFromDefaults(false);
            stateRec->UpdateFrom(*sdRec, rwFlags);

            delete sdRec;
        }
        else
            stateRec = sdRec;

        plNetClientMgr::PendingLoad* pl = TRACKED_NEW plNetClientMgr::PendingLoad();
        pl->fSDRec = stateRec;      // will be deleted when PendingLoad is processed
        if (m->GetHasPlayerID())
            pl->fPlayerID = m->GetPlayerID();       // copy originating playerID if we have it
        pl->fUoid = m->ObjectInfo()->GetUoid();
        
        // queue up state
        nc->fPendingLoads.push_back(pl);
        hsLogEntry( nc->DebugMsg( "Added pending SDL delivery for %s:%s", m->ObjectInfo()->GetObjectName(), des->GetName() ) );
    }
    else
        delete sdRec;

    delete [] descName; // We've only used descName for a lookup (via SDR, and some error strings. Must delete now.
    
    return hsOK;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgGameMessage)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgGameMessage* m = plNetMsgGameMessage::ConvertNoRef(netMsg);
    if (m)
    {
        PeekMsg(m);

        plNetMsgLoadClone * lcMsg = plNetMsgLoadClone::ConvertNoRef( m );
        if ( lcMsg )
        {
            if ( lcMsg->GetIsInitialState() )
            {
                nc->IncNumInitialSDLStates();
            }
        }

        hsReadOnlyStream stream(m->StreamInfo()->GetStreamLen(), m->StreamInfo()->GetStreamBuf());
        plMessage* gameMsg = plMessage::ConvertNoRef(hsgResMgr::ResMgr()->ReadCreatable(&stream));
        hsAssert(gameMsg, "nil game msg?");

        if (gameMsg)
        {
        /* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES!!! -eap
            hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sndr %s rcvr %s sz=%d",
                m->ClassName(), m->AsStdString().c_str(), 
                gameMsg->GetSender() ? gameMsg->GetSender()->GetName() : "?",
                gameMsg->GetNumReceivers() ? gameMsg->GetReceiver(0)->GetName() : "?",
                m->GetNetCoreMsgLen()) );
        */

            if (lcMsg)
            {
                if (!lcMsg->GetIsLoading())
                {
                    plLoadAvatarMsg* unloadClone = plLoadAvatarMsg::ConvertNoRef(gameMsg);
                    if (unloadClone)
                    {
                        plLoadAvatarMsg* unloadMsg = TRACKED_NEW plLoadAvatarMsg(unloadClone->GetCloneKey(), unloadClone->GetRequestorKey(), unloadClone->GetUserData(), unloadClone->GetIsPlayer(), false);
                        unloadMsg->SetOriginatingPlayerID(unloadClone->GetOriginatingPlayerID());
                        gameMsg = unloadMsg;
                    }
                }
                else
                {
                    plLoadCloneMsg* loadClone = plLoadCloneMsg::ConvertNoRef(gameMsg);
                    if (loadClone)
                    {
                        int idx = nc->fTransport.FindMember(loadClone->GetOriginatingPlayerID());
                        if (idx == -1)
                        {
                            hsLogEntry( nc->DebugMsg( "Ignoring load clone because player isn't in our players list: %d", loadClone->GetOriginatingPlayerID()) );
                            return hsOK;
                        }
                    }
                }
            }
            
            plNetClientApp::UnInheritNetMsgFlags(gameMsg);
            gameMsg->SetBCastFlag(plMessage::kNetCreatedRemotely);

            if (!m->GetDeliveryTime().AtEpoch())
            {
                double timeStamp;
                double secs=hsTimer::GetSysSeconds();
                m->GetDeliveryTime().ConvertToGameTime(&timeStamp, secs);
                hsAssert(timeStamp>=secs, "invalid future timeStamp");
                gameMsg->SetTimeStamp(timeStamp);
                nc->DebugMsg("Converting game msg future timeStamp, curT=%f, futT=%f", secs, timeStamp);
            }

            // Do some basic security checks on the incoming message because
            // we cannot nesecarily trust the server because the server trusts
            // the remote client WAY too much.
            if (!IGetNetClientMgr()->fScreener.AllowIncomingMessage(gameMsg))
                return hsOK;

            plgDispatch::Dispatch()->MsgSend(gameMsg);
            
            // Debug
            if (m->GetHasPlayerID())
            {
                int idx=nc->fTransport.FindMember(m->GetPlayerID());
                plNetTransportMember* mbr = idx != -1 ? nc->fTransport.GetMember(idx) : nil;
                if (mbr)
                    mbr->SetTransportFlags(mbr->GetTransportFlags() | plNetTransportMember::kSendingActions);
            }
            return hsOK;
        }
    }
    return hsFail;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgVoice)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgVoice* m = plNetMsgVoice::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/

    int bufLen = m->GetVoiceDataLen();
    const char* buf = m->GetVoiceData();
    BYTE flags = m->GetFlags();
    BYTE numFrames = m->GetNumFrames();
    plKey key = NULL;

    // plKey key=hsgResMgr::ResMgr()->FindKey(m->ObjectInfo()->GetUoid());

    

    // Filter ignored sender
    if ( VaultAmIgnoringPlayer( m->GetPlayerID() ) )
    {
        hsLogEntry( nc->DebugMsg( "Ignoring voice chat from ignored player %lu", m->GetPlayerID() ) );
        return hsOK;
    }

    int idx=nc->fTransport.FindMember(m->GetPlayerID());
    plNetTransportMember* mbr = idx != -1 ? nc->fTransport.GetMember(idx) : nil;
    
    if (mbr)
    {
        key = mbr->GetAvatarKey();
        // filter based on listen/talk list (for forced mode)
        if (nc->GetListenListMode() == plNetClientMgr::kListenList_Forced)
        {
            if (nc->GetListenList()->FindMember( mbr ))
            {       
                hsLogEntry( nc->DebugMsg( "Ignoring voice chat from ignored player %lu", m->GetPlayerID() ) );
                return hsOK;
            }
        }
        mbr->SetTransportFlags(mbr->GetTransportFlags() | plNetTransportMember::kSendingVoice);
    }


//  hsKeyedObject* obj = key ? key->ObjectIsLoaded() : nil;
    plSceneObject* avObj = key ? plSceneObject::ConvertNoRef( key->ObjectIsLoaded() ) : nil;

//  if (obj)
    if (avObj)
    {
        plAudible * aud = avObj->GetAudioInterface()->GetAudible();
        pl2WayWinAudible* pAud = pl2WayWinAudible::ConvertNoRef(aud);
        if (pAud)
            pAud->PlayNetworkedSpeech(buf, bufLen,  numFrames, flags);
        else
        {
            nc->ErrorMsg("\tObject doesn't have audible");
        }
    }
    else
    {
        nc->DebugMsg("\tCan't find loaded object\n");
    }
    return hsOK;
}


MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgMembersList)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgMembersList* m = plNetMsgMembersList::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/

    int i;

    // remove existing members, except server
    for( i=nc->fTransport.GetNumMembers()-1 ; i>=0; i--  )
    {
        if (!nc->fTransport.GetMember(i)->IsServer())
        {           
            nc->fTransport.RemoveMember(i);         
        }
    } // for         

    // update the members list from the msg.
    // this app is not one of the members in the msg
    for( i=0 ;i<m->MemberListInfo()->GetNumMembers() ;i++  )
    {
        plNetTransportMember* mbr = TRACKED_NEW plNetTransportMember(nc);
        IFillInTransportMember(m->MemberListInfo()->GetMember(i), mbr);
        hsLogEntry(nc->DebugMsg("\tAdding transport member, name=%s, p2p=%d, plrID=%d\n", mbr->AsString().c_str(), mbr->IsPeerToPeer(), mbr->GetPlayerID()));
        int idx=nc->fTransport.AddMember(mbr);
        hsAssert(idx>=0, "Failed adding member?");
            
    } // for         

    // new player has been aded send local MembersUpdate msg
    plMemberUpdateMsg* mu = TRACKED_NEW plMemberUpdateMsg;
    mu->Send();

    return hsOK;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgMemberUpdate)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgMemberUpdate* m = plNetMsgMemberUpdate::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/
    
    if (m->AddingMember())
    {
        plNetTransportMember* mbr=nil;
        int idx = nc->fTransport.FindMember(m->MemberInfo()->GetClientGuid()->GetPlayerID());
        if ( idx>=0 )
            mbr = nc->fTransport.GetMember(idx);
        else
            mbr = TRACKED_NEW plNetTransportMember(nc);
        hsAssert(mbr, "nil xport member");
        IFillInTransportMember(m->MemberInfo(), mbr);
        
        if ( idx<0 )
        {   // didn't find him
            if ( nc->fTransport.AddMember(mbr)<0 )
                delete mbr;     // delete newly created member
        }
    }
    else
    {
        int idx=nc->fTransport.FindMember(m->MemberInfo()->GetClientGuid()->GetPlayerID());
        if (idx<0)
        {
            hsLogEntry( nc->DebugMsg("\tCan't find member to remove.") );
        }
        else
        {
            nc->fTransport.RemoveMember(idx);
        }
    }

    // new player has been aded send local MembersUpdate msg
    plMemberUpdateMsg* mu = TRACKED_NEW plMemberUpdateMsg;
    mu->Send();

    return hsOK;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgListenListUpdate)
{
    plNetClientMgr* nc = IGetNetClientMgr();
    plNetMsgListenListUpdate* m = plNetMsgListenListUpdate::ConvertNoRef(netMsg);
    PeekMsg(m);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        m->ClassName(), m->AsStdString().c_str(), m->GetNetCoreMsgLen()) );
*/

    int idx=nc->fTransport.FindMember(m->GetPlayerID());
    plNetTransportMember* tm = (idx==-1 ? nil : nc->fTransport.GetMember(idx));
    if(!tm)
    {
#if 0
      tm = TRACKED_NEW plNetTransportMember(nc);
      tm->SetClientNum(m->GetSenderClientNum());
      int idx=nc->fTransport.AddMember(tm);
      hsAssert(idx>=0, "Failed adding member?");
      nc->DebugMsg("ListenListUpdate msg: Adding member on the fly\n");
#endif
      return hsOK;
   }
      
   if (m->GetAdding())
   {
      // add the sender to my talk list
      nc->GetTalkList()->AddMember(tm);
   }
   else
   {
      // remove the sender from my talk list
      nc->GetTalkList()->RemoveMember(tm);
   }
   
   return hsOK;
}

MSG_HANDLER_DEFN(plNetClientMsgHandler,plNetMsgInitialAgeStateSent)
{
    plNetClientMgr * nc = IGetNetClientMgr();
    plNetMsgInitialAgeStateSent* msg = plNetMsgInitialAgeStateSent::ConvertNoRef(netMsg);
    PeekMsg(msg);

/* !!! THIS LOG MSG CRASHES THE CLIENT SOMETIMES! -eap
    hsLogEntry( nc->DebugMsg("<RCV> %s, %s, sz=%d",
        netMsg->ClassName(), netMsg->AsStdString().c_str(), netMsg->GetNetCoreMsgLen()) );
*/

    nc->DebugMsg( "Initial age SDL count: %d", msg->GetNumInitialSDLStates( ) );

    nc->SetRequiredNumInitialSDLStates( msg->GetNumInitialSDLStates() );
    nc->SetFlagsBit( plNetClientApp::kNeedInitialAgeStateCount, false );

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

    return hsOK;
}

////////////////////////////////////////////////////////////////////
// End.