C++ plKey类代码示例

    virtual bool EatKey(const plKey& key)
    {
        uint32_t count = plCommonObjLib::GetNumLibs();

        for (uint32_t i = 0; i < count; i++)
        {
            plCommonObjLib* lib = plCommonObjLib::GetLib(i);
            if (lib->IsInteresting(key))
            {
                // Lib wants this guy, so load the object and add it
                // Note: we want to switch to passive mode here, so any keys read in
                // will NOT force a load on whichever page those keys belong to. Otherwise,
                // we'd have to load that entire page and ref all the objects all over
                // again and I just really don't want to do that...
                plResMgrSettings::Get().SetPassiveKeyRead(true);
                hsKeyedObject* object = key->VerifyLoaded();
                plResMgrSettings::Get().SetPassiveKeyRead(false);

                lib->AddObject(object);
                break;
            }
        }

        return true;
    }

bool plPluginResManager::NukeKeyAndObject(plKey& objectKey)
{
    class plPublicRefKey : public plKeyImp
    {
    public:
        uint16_t GetRefCount() const { return fRefCount; }
    };

    plKeyImp* keyData = (plKeyImp*)objectKey;

    // Check the ref count on the object. Nobody should have a ref to it
    // except the key
    hsKeyedObject* object = objectKey->ObjectIsLoaded();
    if (object != nil)
    {
        if (keyData->GetActiveRefs())
            // Somebody still has a ref to this object, so we can't nuke it
            return false;
    }

    // Nobody has a ref to the object, so we're clear to nuke
    keyData->SetObjectPtr(nil);

    // Check the key. The refcount should be 1 at this point, for the copy
    // we're holding in this function. Nobody else should be holding the key
    // now that the object is gone.
    if (((plPublicRefKey*)keyData)->GetRefCount() > 1)
        return false;

    // Nuke out the key as well
    objectKey = nil;

    // All done!
    return true;
}

void plSimulationMgr::UpdateDetectorsInScene(plKey world, plKey avatar, hsPoint3& pos, bool entering)
{
    // search thru the actors in a scene looking for convex hull detectors and see if the avatar is inside it
    // ... and then send appropiate collision message if needed
    NxScene* scene = GetScene(world);
    plSceneObject* avObj = plSceneObject::ConvertNoRef(avatar->ObjectIsLoaded());
    const plCoordinateInterface* ci = avObj->GetCoordinateInterface();
    hsPoint3 soPos = ci->GetWorldPos();
    if (scene)
    {
        uint32_t numActors = scene->getNbActors();
        NxActor** actors = scene->getActors();

        for (int i = 0; i < numActors; i++)
        {
            plPXPhysical* physical = (plPXPhysical*)actors[i]->userData;
            if (physical && physical->DoDetectorHullWorkaround())
            {
                if ( physical->IsObjectInsideHull(pos) )
                {
                    physical->SetInsideConvexHull(entering);
                    // we are entering this world... say we entered this detector
                    ISendCollisionMsg(physical->GetObjectKey(), avatar, entering);
                }
            }
        }
    }
}

// check to make sure that the avatar and the exclude region are in the same subworld
bool plExcludeRegionModifier::ICheckSubworlds(plKey avatar)
{
    plSceneObject* avObj = plSceneObject::ConvertNoRef(avatar->GetObjectPtr());
    if (avObj)
    {
        // get the avatar modifier
        const plArmatureMod *avMod = (plArmatureMod*)avObj->GetModifierByType(plArmatureMod::Index());
        if (avMod)
        {
            // get the avatar controller
            plPhysicalControllerCore* avController = avMod->GetController();
            if (avController)
            {
                // get physical of the detector region
                plPhysical* phys = GetPhysical(GetTarget());
                if (phys)
                {
                    // are they in the same subworld?
                    if ( phys->GetWorldKey() == avController->GetSubworld() )
                        return true;
                    else
                        return false;
                }
            }
        }
    }
    return false;
}

int plExcludeRegionModifier::IFindClosestSafePoint(plKey avatar)
{
    float closestDist = 0.f;
    int closestIdx = -1;

    plSceneObject* avObj = plSceneObject::ConvertNoRef(avatar->GetObjectPtr());
    if (!avObj)
        return -1;

    hsVector3 avPos;
    avObj->GetCoordinateInterface()->GetLocalToWorld().GetTranslate(&avPos);

    for (int i = 0; i < fSafePoints.size(); i++)
    {
        plSceneObject* safeObj = plSceneObject::ConvertNoRef(fSafePoints[i]->GetObjectPtr());
        hsVector3 safePos;
        safeObj->GetCoordinateInterface()->GetLocalToWorld().GetTranslate(&safePos);

        float dist = (safePos - avPos).Magnitude();

        if (dist < closestDist || closestIdx == -1)
        {
            closestDist = dist;
            closestIdx = i;
        }
    }

    return closestIdx;
}

//
// write to net msg and send to server
//
void plSDLModifier::ISendNetMsg(plStateDataRecord*& state, plKey senderKey, uint32_t sendFlags)
{
    hsAssert(senderKey, "nil senderKey?");

    plSynchedObject* sobj = plSynchedObject::ConvertNoRef(senderKey->ObjectIsLoaded());
    if (sobj && (sobj->IsInSDLVolatileList(GetSDLName())))
        state->SetFlags(state->GetFlags() | plStateDataRecord::kVolatile);

    bool dirtyOnly = (sendFlags & plSynchedObject::kForceFullSend) == 0;
    bool broadcast = (sendFlags & plSynchedObject::kBCastToClients) != 0;
    int writeOptions=0;

//  if (dirtyOnly)
        writeOptions |= plSDL::kDirtyOnly;
    if (broadcast)
        writeOptions |= plSDL::kBroadcast;

    writeOptions |= plSDL::kTimeStampOnRead;


    // send to server
    plNetMsgSDLState* msg = state->PrepNetMsg(0, writeOptions);
    msg->SetNetProtocol(kNetProtocolCli2Game);
    msg->ObjectInfo()->SetUoid(senderKey->GetUoid());

    if (sendFlags & plSynchedObject::kNewState)
        msg->SetBit(plNetMessage::kNewSDLState);

    if (sendFlags & plSynchedObject::kUseRelevanceRegions)
        msg->SetBit(plNetMessage::kUseRelevanceRegions);

    if (sendFlags & plSynchedObject::kDontPersistOnServer)
        msg->SetPersistOnServer(false);

    if (sendFlags & plSynchedObject::kIsAvatarState)
        msg->SetIsAvatarState(true);

    if (broadcast && plNetClientApp::GetInstance())
    {
        msg->SetPlayerID(plNetClientApp::GetInstance()->GetPlayerID());
    }

    plNetClientApp::GetInstance()->SendMsg(msg);
    msg->UnRef();

    fSentOrRecvdState = true;
}

//
// 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 plNCAgeJoiner::IResMgrProgressBarCallback (plKey key) {
#ifndef PLASMA_EXTERNAL_RELEASE
    if (s_instance)
        s_instance->progressBar->SetStatusText(key->GetName());
#endif
    if (s_instance)
        s_instance->progressBar->Increment(1);
}

void plPluginResManager::AddLooseEnd(plKey key)
{
    if( key )
    {
        key->RefObject();
        fLooseEnds.Append(key);
    }
}

 virtual bool    IsInteresting( const plKey &objectKey )
 {
     if( objectKey->GetUoid().GetClassType() == plCubicEnvironmap::Index() ||
         objectKey->GetUoid().GetClassType() == plMipmap::Index() )
     {
         return true;
     }
     return false;
 }

plPhysicsSoundMgr::CollidePair::CollidePair(const plKey& firstPhys, const plKey& secondPhys, const hsPoint3& point, const hsVector3& normal)
{
    // To simplify searching and sorting, all pairs are set up with the pointer value of the
    // first element greater than the pointer value of the second.
    if (firstPhys->GetObjectPtr() < secondPhys->GetObjectPtr())
    {
        this->firstPhysKey = secondPhys;
        this->secondPhysKey = firstPhys;
    }
    else
    {
        this->firstPhysKey = firstPhys;
        this->secondPhysKey = secondPhys;
    }

    this->point = point;
    this->normalForce = normal;
}

//
// save or load a key.  return the key.
//
const plKey plSynchedValueBase::ISaveOrLoad(const plKey key, bool32 save, hsStream* stream, hsResMgr* mgr)
{
    if (save)
    {   
        if (key)
        {
            stream->WriteByte(1);
            // I need to write a key to MY stream...
#if 0       // DEBUG
            plStringBuffer<char> buf = key->GetName()->ToIso8859_1();
            stream->WriteLE32(buf.GetSize());
            stream->Write(buf.GetSize(), buf.GetData());
#endif
            key->GetUoid().Write(stream);
        }
        else
        {
            stream->WriteByte(0);
        }
        return key;
    }
    else
    {   
        int32_t has=stream->ReadByte();
        if (has)
        {
            // read a key from MY stream
#if 0       // DEBUG
            int32_t len = stream->ReadLE32();
            char tmp[256];
            hsAssert(len<256, "key name overflow");
            stream->Read(len, tmp);
#endif
            plUoid uoid;
            uoid.Read(stream);
            return mgr->FindKey(uoid);
        }
        else
            return (nil);
    }
    return nil;
}

        pfKIListPlayerItem( plKey key, bool inRange = false ) : pfGUIListText(), fPlayerKey( key ) 
        {   
            static char str[ 256 ];


            if( key == nil )
                SetText( "<Everyone>" );
            else
            {
                const char *name = plNetClientMgr::GetInstance()->GetPlayerName( key );
                if( inRange )
                {
                    sprintf( str, ">%s<", name != nil ? name : key->GetName() );
                    SetText( str );
                }
                else
                    SetText( name != nil ? name : key->GetName() );
            }
            ISetJustify( true );
        }

void plAvTaskSeek::SetTarget(plKey target)
{
    hsAssert(target, "Bad key to seek task");
    if(target)
    {
        fSeekObject = plSceneObject::ConvertNoRef(target->ObjectIsLoaded());
    }
    else
    {
        fSeekObject = nil;
    }
}

void plPageOptimizer::KeyedObjectProc(plKey key)
{
    plString keyName = key->GetName();
    const char* className = plFactory::GetNameOfClass(key->GetUoid().GetClassType());

    // For now, ignore any key that isn't in the location we're looking at.  That means stuff like textures.
    if (fInstance->fLoc != key->GetUoid().GetLocation())
        return;

    KeySet& loadedKeys = fInstance->fLoadedKeys;
    KeyVec& loadOrder = fInstance->fKeyLoadOrder;

    KeySet::iterator it = loadedKeys.lower_bound(key);
    if (it != loadedKeys.end() && *it == key)
    {
        printf("Keyed object %s(%s) loaded more than once\n", keyName.c_str(), className);
    }
    else
    {
        loadedKeys.insert(it, key);
        loadOrder.push_back(key);
    }
}