CWE-ou-minkata/Sources/Plasma/PubUtilLib/plScene/plRelevanceRegion.cpp

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*==LICENSE==*/
#include "hsResMgr.h"
#include "plRelevanceRegion.h"
#include "plRelevanceMgr.h"
#include "plIntersect/plRegionBase.h"

void plRelevanceRegion::Read(hsStream* s, hsResMgr* mgr)
{
    plObjInterface::Read(s, mgr);
    
    mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, 0), plRefFlags::kActiveRef);
    
    // Added to the manager when read in.
    // Removed when paged out, due to passive ref.
    if (plRelevanceMgr::Instance())
    {
        plGenRefMsg *msg = new plGenRefMsg(plRelevanceMgr::Instance()->GetKey(), plRefMsg::kOnCreate, -1, -1);
        hsgResMgr::ResMgr()->AddViaNotify(GetKey(), msg, plRefFlags::kPassiveRef);
    }
}

void plRelevanceRegion::Write(hsStream* s, hsResMgr* mgr)
{
    plObjInterface::Write(s, mgr);
    
    mgr->WriteKey(s, fRegion);
}

bool plRelevanceRegion::MsgReceive(plMessage* msg)
{
    plGenRefMsg *genMsg = plGenRefMsg::ConvertNoRef(msg);
    if (genMsg)
    {
        plRegionBase *base = plRegionBase::ConvertNoRef(genMsg->GetRef());
        if( genMsg->GetContext() & (plRefMsg::kOnCreate) )
        {
            fRegion = base;
        }
        else if( genMsg->GetContext() & (plRefMsg::kOnDestroy|plRefMsg::kOnRemove) )
        {
            fRegion = nil;
        }
        return true;
    }           

    return plObjInterface::MsgReceive(msg);
}


void plRelevanceRegion::SetMgrIndex(uint32_t index)
{
    if (fMgrIdx != (uint32_t)-1)
        fRegionsICareAbout.SetBit(fMgrIdx, false);

    fMgrIdx = index;
    fRegionsICareAbout.SetBit(index, true); // I care about myself. Awww...
}