CWE-ou-minkata/Sources/Plasma/PubUtilLib/plPipeline/plDynamicEnvMap.cpp

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#include "HeadSpin.h"
#include "plDynamicEnvMap.h"

#include "plPipeline.h"
#include "plPipeDebugFlags.h"
#include "plDrawable.h"
#include "plgDispatch.h"
#include "hsResMgr.h"

#include "hsTimer.h"
#include "hsStream.h"

#include "plMessage/plRenderRequestMsg.h"
#include "plMessage/plDynamicEnvMapMsg.h"
#include "pfCamera/plCameraModifier.h"
#include "pfCamera/plVirtualCamNeu.h"
#include "plMessage/plRenderMsg.h"
#include "plMessage/plAgeLoadedMsg.h"
#include "plMessage/plLayRefMsg.h"
#include "pnMessage/plPipeResMakeMsg.h"
#include "pnMessage/plRefMsg.h"

#include "plScene/plVisRegion.h"
#include "plScene/plVisMgr.h"
#include "plResMgr/plKeyFinder.h"
#include "plSurface/plLayer.h"

plDynamicEnvMap::plDynamicEnvMap()
:   fPos(0,0,0),
    fHither(0.3f),
    fYon(1000.f),
    fFogStart(1000.f),
    fRefreshRate(0.f),
    fLastRefresh(0.0),
    fLastRender(0),
    fOutStanding(0),
    fIncCharacters(false),
    fRootNode(nil)
{
    fColor.Set(0,0,0,1.f);
    int i;
    for( i = 0; i < 6; i++ )
        fReqMsgs[i] = new plRenderRequestMsg(nil, &fReqs[i]);;

    SetPosition(fPos);
}

plDynamicEnvMap::plDynamicEnvMap(uint16_t width, uint16_t height, uint8_t bitDepth, uint8_t zDepth, uint8_t sDepth)
:   fPos(0,0,0),
    fHither(0.3f),
    fYon(0.f), // yon < hither means ignore and use current settings
    fFogStart(-1.f), // - fog start means use current settings
    fRefreshRate(0.f),
    fLastRefresh(0.0),
    fLastRender(0),
    fOutStanding(0),
    fIncCharacters(false),
    fRootNode(nil),
    plCubicRenderTarget(plRenderTarget::kIsTexture, width, height, bitDepth, zDepth, sDepth)
{
    fColor.Set(0,0,0,1.f);
    int i;
    for( i = 0; i < 6; i++ )
        fReqMsgs[i] = new plRenderRequestMsg(nil, &fReqs[i]);;

    SetPosition(fPos);
}

plDynamicEnvMap::~plDynamicEnvMap()
{
    SetDeviceRef(nil);

    int i;
    for( i = 0; i < 6; i++ )
        delete fReqMsgs[i];
}

void plDynamicEnvMap::Init()
{
    plgDispatch::Dispatch()->RegisterForExactType(plPipeRTMakeMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plInitialAgeStateLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plAgeLoadedMsg::Index(), GetKey());

    plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey());

    ISetupRenderRequests();
}

hsPoint3 plDynamicEnvMap::GetPosition() const
{
    if (fRootNode)
    {
        // This is to catch export issues where we've got a root node, but its iface
        // hasn't fully been set up yet.
        if (fRootNode->GetCoordinateInterface())
            return fRootNode->GetLocalToWorld().GetTranslate();
    }
    
    return fPos;
}

void plDynamicEnvMap::SetPosition(const hsPoint3& pos)
{
    hsAssert(fRootNode == nil, "Trying to override a cube map's root node.");
    fPos = pos;
    SetCameraMatrix(fPos);
}

void plDynamicEnvMap::IUpdatePosition()
{
    hsPoint3 pos = GetPosition();
    if (pos != fPos)
        SetCameraMatrix(fPos);
}

void plDynamicEnvMap::SetHither(float f)
{
    fHither = f;
}

void plDynamicEnvMap::SetYon(float f)
{
    fYon = f;
}

void plDynamicEnvMap::SetFogStart(float f)
{
    fFogStart = f;
}

void plDynamicEnvMap::SetColor(const hsColorRGBA& col)
{
    fColor = col;
}

void plDynamicEnvMap::SetRefreshRate(float secs)
{
    fRefreshRate = secs / 6.f;
    plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey());
}

void plDynamicEnvMap::ISetupRenderRequests()
{
    uint32_t renderState 
        = plPipeline::kRenderNormal
        | plPipeline::kRenderClearColor
        | plPipeline::kRenderClearDepth;

    int i;
    for( i = 0; i < 6; i++ )
    {
        fReqs[i].SetRenderState(renderState);

        fReqs[i].SetDrawableMask(plDrawable::kNormal);
        fReqs[i].SetSubDrawableMask(plDrawable::kSubAllTypes);

        fReqs[i].SetHither(fHither);
        fReqs[i].SetYon(fYon);

        fReqs[i].SetFogStart(fFogStart);

        fReqs[i].SetFovX(90.f);
        fReqs[i].SetFovY(90.f);

        fReqs[i].SetClearColor(fColor);
        fReqs[i].SetClearDepth(1.f);

        fReqs[i].SetClearDrawable(nil);
        fReqs[i].SetRenderTarget(GetFace(i));

        fReqs[i].SetCameraTransform(GetWorldToCamera(i), GetCameraToWorld(i));

        fReqs[i].SetVisForce(fVisSet);

        fReqs[i].RequestAck(GetKey());
    }
}

void plDynamicEnvMap::ISubmitRenderRequest(int i)
{
    IUpdatePosition();
    fReqMsgs[i]->SendAndKeep();
    fLastRender = i;
    fOutStanding++;
}

void plDynamicEnvMap::ISubmitRenderRequests()
{
    IUpdatePosition();
    int i;
    for( i = 0; i < 6; i++ )
        fReqMsgs[i]->SendAndKeep();
    fLastRefresh = hsTimer::GetSysSeconds();
    fOutStanding += 6;
}

void plDynamicEnvMap::ICheckForRefresh(double t, plPipeline *pipe)
{
    if( fLastRefresh <= 0 )
    {
        ISubmitRenderRequests();
        return;
    }

    if( fRefreshRate <= 0 )
        return;

#ifndef PLASMA_EXTERNAL_RELEASE
    if (pipe->IsDebugFlagSet(plPipeDbg::kFlagNVPerfHUD) && hsTimer::GetDelSysSeconds() == 0)
    {
        ISubmitRenderRequests();
        return;
    }
#endif // PLASMA_EXTERNAL_RELEASE

    if( t > fLastRefresh + 6.f * fRefreshRate )
    {
        ISubmitRenderRequests();
        return;
    }
    while( t > fLastRefresh + fRefreshRate )
    {
        int nextRender = fLastRender+1;
        if( nextRender > 5 )
            nextRender = 0;
        ISubmitRenderRequest(nextRender);
        fLastRefresh += fRefreshRate;
    }
}

void plDynamicEnvMap::ReRender()
{
    ISetupRenderRequests();
    ISubmitRenderRequests();
}

bool plDynamicEnvMap::INeedReRender()
{
    fOutStanding = 0;
    fLastRefresh = 0;
    return true;
}

bool plDynamicEnvMap::MsgReceive(plMessage* msg)
{
    plRenderRequestAck* ack = plRenderRequestAck::ConvertNoRef(msg);
    if( ack )
    {
        fOutStanding--;
        return true;
    }
    plRenderMsg* rendMsg = plRenderMsg::ConvertNoRef(msg);
    if( rendMsg )
    {
        if( fOutStanding )
            INeedReRender();

        ICheckForRefresh(hsTimer::GetSysSeconds(), rendMsg->Pipeline());
        return true;
    }
    if( plPipeRTMakeMsg::ConvertNoRef(msg) )
    {
        INeedReRender();
        plCubicRenderTarget::MsgReceive(msg);
        return true;
    }
    plAgeLoadedMsg* ageLoaded = plAgeLoadedMsg::ConvertNoRef(msg);
    if( ageLoaded && ageLoaded->fLoaded )
        return INeedReRender();

    if( plInitialAgeStateLoadedMsg::ConvertNoRef(msg) )
        return INeedReRender();

    plDynamicEnvMapMsg* cmd = plDynamicEnvMapMsg::ConvertNoRef(msg);
    if( cmd )
    {
        if( cmd->fCmd & plDynamicEnvMapMsg::kSetPosition )
            SetPosition(cmd->fPos);

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetHither )
            SetHither(cmd->fHither);

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetFogStart )
            SetFogStart(cmd->fFogStart);

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetYon )
            SetYon(cmd->fYon);

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetColor )
            SetColor(cmd->fColor);

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetRefresh )
            SetRefreshRate(cmd->fRefresh);

        // If we're going to ReRender, make sure we've gotten any
        // parameter changes first.
        if( cmd->fCmd & plDynamicEnvMapMsg::kReRender )
        {
            ISetupRenderRequests();
            INeedReRender();
        }
        
        return true;
    }
    plGenRefMsg* refMsg = plGenRefMsg::ConvertNoRef(msg);
    if( refMsg )
    {
        if( IOnRefMsg(refMsg) )
            return true;
    }

    return plCubicRenderTarget::MsgReceive(msg);
}

bool plDynamicEnvMap::IOnRefMsg(plGenRefMsg* refMsg)
{
    switch( refMsg->fType)
    {
    case kRefVisSet:
        if( refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace) )
        {
            plVisRegion* reg = plVisRegion::ConvertNoRef(refMsg->GetRef());
            int idx = fVisRegions.Find(reg);
            if( reg && (fVisRegions.kMissingIndex == idx) )
            {
                fVisRegions.Append(reg);
                fVisSet.SetBit(reg->GetIndex());
            }
            ISetupRenderRequests();
            return true;
        }
        else
        {
            plVisRegion* reg = plVisRegion::ConvertNoRef(refMsg->GetRef());
            int idx = fVisRegions.Find(reg);
            if( reg && (fVisRegions.kMissingIndex != idx) )
            {
                fVisRegions.Remove(idx);
                fVisSet.ClearBit(reg->GetIndex());
            }
            ISetupRenderRequests();
            return true;
        }
        break;

    case kRefRootNode:
        plSceneObject *so = plSceneObject::ConvertNoRef(refMsg->GetRef());
        if( refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace) )
            fRootNode = so;
        else
            fRootNode = nil;
        return true;
    }

    return false;
}

void plDynamicEnvMap::SetIncludeCharacters(bool b) 
{ 
    fIncCharacters = b; 
    if( b )
        fVisSet.SetBit(plVisMgr::kCharacter);
    else
        fVisSet.ClearBit(plVisMgr::kCharacter);
}

void plDynamicEnvMap::AddVisRegion(plVisRegion* reg)
{
    plGenRefMsg* msg = new plGenRefMsg(GetKey(), plRefMsg::kOnRequest, 0, kRefVisSet);
    hsgResMgr::ResMgr()->AddViaNotify(reg->GetKey(), msg, plRefFlags::kActiveRef);
}

void plDynamicEnvMap::Read(hsStream* s, hsResMgr* mgr)
{
    hsKeyedObject::Read(s, mgr);
    uint32_t sz = plCubicRenderTarget::Read(s);

    fPos.Read(s);
    fHither = s->ReadLEScalar();
    fYon = s->ReadLEScalar();
    fFogStart = s->ReadLEScalar();
    fColor.Read(s);

    fRefreshRate = s->ReadLEScalar();

    SetPosition(fPos);

    sz += sizeof(fPos) + sizeof(fHither) + sizeof(fYon) + sizeof(fFogStart) + sizeof(fColor) + sizeof(fRefreshRate);

    fIncCharacters = s->ReadByte();
    SetIncludeCharacters(fIncCharacters);
    int nVis = s->ReadLE32();
    int i;
    for( i = 0; i < nVis; i++ )
        mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, -1, kRefVisSet), plRefFlags::kActiveRef);

    nVis = s->ReadLE32();
    for( i = 0; i < nVis; i++)
    {
        plKey key = plKeyFinder::Instance().StupidSearch(nil, nil, plVisRegion::Index(), s->ReadSafeString_TEMP());
        if (key)
            hsgResMgr::ResMgr()->AddViaNotify(key, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, -1, kRefVisSet), plRefFlags::kActiveRef);
    }

    mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, -1, kRefRootNode), plRefFlags::kActiveRef);

    Init();
}

void plDynamicEnvMap::Write(hsStream* s, hsResMgr* mgr)
{
    hsKeyedObject::Write(s, mgr);

    uint32_t sz = plCubicRenderTarget::Write(s);

    fPos.Write(s);
    s->WriteLEScalar(fHither);
    s->WriteLEScalar(fYon);
    s->WriteLEScalar(fFogStart);
    fColor.Write(s);

    s->WriteLEScalar(fRefreshRate);

    sz += sizeof(fPos) + sizeof(fHither) + sizeof(fYon) + sizeof(fFogStart) + sizeof(fColor) + sizeof(fRefreshRate);

    s->WriteByte(fIncCharacters);
    s->WriteLE32(fVisRegions.GetCount());
    int i;
    for( i = 0; i < fVisRegions.GetCount(); i++ )
        mgr->WriteKey(s, fVisRegions[i]);

    s->WriteLE32(fVisRegionNames.Count());
    for( i = 0; i < fVisRegionNames.Count(); i++)
    {
        s->WriteSafeString(fVisRegionNames[i]);
    }

    mgr->WriteKey(s, fRootNode);
}

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

uint8_t plDynamicCamMap::fFlags = kReflectionEnabled | kReflectionCapable;

plDynamicCamMap::plDynamicCamMap() :
fHither(0.3f),
fYon(500.f),
fFogStart(1000.f),
fRefreshRate(0.f),
fLastRefresh(0.0),
fOutStanding(0),
fCamera(nil),
fRootNode(nil),
fIncCharacters(false),
fDisableTexture(nil)
{
    fColor.Set(0,0,0,1.f);
    fReqMsg = new plRenderRequestMsg(nil, &fReq);
}

plDynamicCamMap::plDynamicCamMap(uint16_t width, uint16_t height, uint8_t bitDepth, uint8_t zDepth, uint8_t sDepth) :
fHither(0.3f),
fYon(-1.f),
fFogStart(-1.f),
fRefreshRate(0.f),
fLastRefresh(0.0),
fOutStanding(0),
fCamera(nil),
fRootNode(nil),
fIncCharacters(false),
fDisableTexture(nil),
plRenderTarget(plRenderTarget::kIsTexture, width, height, bitDepth, zDepth, sDepth)
{
    fColor.Set(0,0,0,1.f);
    fReqMsg = new plRenderRequestMsg(nil, &fReq);
}

plDynamicCamMap::~plDynamicCamMap()
{
    plgDispatch::Dispatch()->UnRegisterForExactType(plPipeRTMakeMsg::Index(), GetKey());
    plgDispatch::Dispatch()->UnRegisterForExactType(plInitialAgeStateLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->UnRegisterForExactType(plAgeLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->UnRegisterForExactType(plRenderMsg::Index(), GetKey());

    SetDeviceRef(nil);

    delete fReqMsg;
}

void plDynamicCamMap::Init()
{
    plgDispatch::Dispatch()->RegisterForExactType(plPipeRTMakeMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plInitialAgeStateLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plAgeLoadedMsg::Index(), GetKey());
    plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey());
}

void plDynamicCamMap::SetRefreshRate(float secs)
{
    fRefreshRate = secs;
    plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey());
}

void plDynamicCamMap::ISetupRenderRequest(plPipeline *pipe)
{
    fReq.SetRenderState(plPipeline::kRenderNormal | plPipeline::kRenderClearColor | plPipeline::kRenderClearDepth);
    fReq.SetDrawableMask(plDrawable::kNormal);
    fReq.SetSubDrawableMask(plDrawable::kSubAllTypes);
    fReq.SetHither(fHither);
    fReq.SetYon(fYon);
    fReq.SetFogStart(fFogStart);

    // For a reflection map, this must match the camera FOV, or else the camera based 
    // texture coordinates for the reflection texture will be off.
    // 
    // For a fixed camera, you might want to use the height in both params, so that
    // you're rendering a square FOV into your square texture. In practice, the artists
    // don't mind the visual results when just scaling their UVs, so I'll leave it the
    // same for both cases.
    fReq.SetFovX(fCamera ? fCamera->GetFOVw() : plVirtualCam1::Instance()->GetFOVw());
    fReq.SetFovY(fCamera ? fCamera->GetFOVh() : plVirtualCam1::Instance()->GetFOVh());

    fReq.SetClearColor(fColor);
    fReq.SetClearDepth(1.f);
    fReq.SetClearDrawable(nil);
    fReq.SetRenderTarget(this);
    fReq.SetVisForce(fVisSet);
    fReq.SetIgnoreOccluders(true);
    fReq.RequestAck(GetKey());

    hsMatrix44 w2c, c2w;
    if (fCamera)
    {
        hsPoint3 pos = fCamera->GetTargetPos();
        hsPoint3 poa = fCamera->GetTargetPOA();
        hsVector3 vec(0.f, 0.f, 1.f);
        w2c.MakeCamera(&pos, &poa, &vec);
        w2c.GetInverse(&c2w);
    }
    else
    {
        if (!fRootNode)
            return;

        // Could be optimized, but the matrix construction work here seems cheap relative to the cost
        // of rerendering all this stuff to a separate target, so I doubt we'd notice.
        hsMatrix44 invert;
        hsVector3 vec(1.f, 1.f, -1.f);
        invert.MakeScaleMat(&vec);
        w2c = pipe->GetWorldToCamera();
        c2w = pipe->GetCameraToWorld();

        w2c = w2c * fRootNode->GetLocalToWorld() * invert * fRootNode->GetWorldToLocal();
        c2w = fRootNode->GetWorldToLocal() * invert * fRootNode->GetLocalToWorld() * c2w;
    }
    fReq.SetCameraTransform(w2c, c2w);
}

void plDynamicCamMap::ISubmitRenderRequest(plPipeline *pipe)
{
    ISetupRenderRequest(pipe);
    fReqMsg->SendAndKeep();
    fOutStanding++;
    fLastRefresh = hsTimer::GetSysSeconds();
}

void plDynamicCamMap::ICheckForRefresh(double t, plPipeline *pipe)
{
    int i;

    bool useRefl = (fFlags & kReflectionMask) == kReflectionMask;
    if (!fCamera)
    {
        if ((useRefl && fMatLayers[0]->GetTexture() != this) || (!useRefl && fMatLayers[0]->GetTexture() != fDisableTexture))
            IPrepTextureLayers();
    }

    // So no one's using us, eh? Hitting this condition is likely a bug, 
    // but an assert every frame would be annoying. We'll notice when
    // the render target never updates.
    if (fTargetNodes.GetCount() == 0)
        return; 

    // If dynamic planar reflections are disabled and we're using our substitute
    // texture, don't update. Otherwise, this particular reflection is forced to
    // always display.
    if (!useRefl && fDisableTexture)
        return;

    bool inView = false;
    for (i = 0; i < fTargetNodes.GetCount(); i++)
    {
        if (pipe->TestVisibleWorld(fTargetNodes[i]))
        {
            inView = true;
            break;
        }
    }

    if (!inView)
        return;

    if( fLastRefresh <= 0 )
    {
        ISubmitRenderRequest(pipe);
        return;
    }

    if( fRefreshRate <= 0 )
        return;

#ifndef PLASMA_EXTERNAL_RELEASE
    if (pipe->IsDebugFlagSet(plPipeDbg::kFlagNVPerfHUD) && hsTimer::GetDelSysSeconds() == 0)
    {
        ISubmitRenderRequest(pipe);
    }
#endif // PLASMA_EXTERNAL_RELEASE

    if (t > fLastRefresh + fRefreshRate)
    {
        ISubmitRenderRequest(pipe);
        return;
    }
}

bool plDynamicCamMap::INeedReRender()
{
    fOutStanding = 0;
    fLastRefresh = 0;
    return true;
}

bool plDynamicCamMap::MsgReceive(plMessage* msg)
{
    plRenderRequestAck* ack = plRenderRequestAck::ConvertNoRef(msg);
    if( ack )
    {
        fOutStanding--;
        return true;
    }
    plRenderMsg* rendMsg = plRenderMsg::ConvertNoRef(msg);
    if( rendMsg )
    {
        if( fOutStanding )
            INeedReRender();

        ICheckForRefresh(hsTimer::GetSysSeconds(), rendMsg->Pipeline());
        return true;
    }
    if( plPipeRTMakeMsg::ConvertNoRef(msg) )
    {
        INeedReRender();
        plRenderTarget::MsgReceive(msg);
        return true;
    }
    plAgeLoadedMsg* ageLoaded = plAgeLoadedMsg::ConvertNoRef(msg);
    if( ageLoaded && ageLoaded->fLoaded )
        return INeedReRender();

    if( plInitialAgeStateLoadedMsg::ConvertNoRef(msg) )
        return INeedReRender();

    plDynamicEnvMapMsg* cmd = plDynamicEnvMapMsg::ConvertNoRef(msg);
    if( cmd )
    {
        if( cmd->fCmd & plDynamicEnvMapMsg::kSetFogStart )
            fFogStart = cmd->fFogStart;

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetColor )
            fColor = cmd->fColor;

        if( cmd->fCmd & plDynamicEnvMapMsg::kSetRefresh )
            SetRefreshRate(cmd->fRefresh);

        return true;
    }
    plRefMsg* refMsg = plRefMsg::ConvertNoRef(msg);
    if( refMsg )
    {
        if( IOnRefMsg(refMsg) )
            return true;
    }

    return plRenderTarget::MsgReceive(msg);
}

void plDynamicCamMap::IPrepTextureLayers()
{
    if (fDisableTexture)
    {
        int i;
        for (i = 0; i < fMatLayers.GetCount(); i++)
        {
            if ((fFlags & kReflectionMask) == kReflectionMask)
            {
                fMatLayers[i]->SetUVWSrc(plLayerInterface::kUVWPosition);
                fMatLayers[i]->SetMiscFlags(hsGMatState::kMiscCam2Screen | hsGMatState::kMiscPerspProjection);
                hsgResMgr::ResMgr()->SendRef(GetKey(), new plGenRefMsg(fMatLayers[i]->GetKey(), plRefMsg::kOnRequest, 0, plLayRefMsg::kTexture), plRefFlags::kActiveRef);
            }
            else
            {
                fMatLayers[i]->SetUVWSrc(0);
                fMatLayers[i]->SetMiscFlags(0);
                hsgResMgr::ResMgr()->SendRef(fDisableTexture->GetKey(), new plGenRefMsg(fMatLayers[i]->GetKey(), plRefMsg::kOnRequest, 0, plLayRefMsg::kTexture), plRefFlags::kActiveRef);
            }
        }
    }
}

bool plDynamicCamMap::IOnRefMsg(plRefMsg* refMsg)
{
    plGenRefMsg* genRefMsg = plGenRefMsg::ConvertNoRef(refMsg);

    if (genRefMsg)
    {
        if (genRefMsg->fType == kRefVisSet)
        {
            plVisRegion* reg = plVisRegion::ConvertNoRef(refMsg->GetRef());
            if (reg)
            {
                int idx = fVisRegions.Find(reg);
                if ((refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace)) && fVisRegions.kMissingIndex == idx)
                {
                    fVisRegions.Append(reg);
                    fVisSet.SetBit(reg->GetIndex());
                }
                else if (!(refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace)) && fVisRegions.kMissingIndex != idx)
                {
                    fVisRegions.Remove(idx);
                    fVisSet.ClearBit(reg->GetIndex());
                }
                return true;
            }
        }
        else if (genRefMsg->fType == kRefCamera)
        {
            plCameraModifier1 *cam = plCameraModifier1::ConvertNoRef(refMsg->GetRef());
            if (cam)
            {
                if (refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace))
                    fCamera = cam;
                else 
                    fCamera = nil;

                return true;
            }
        }
        else if (genRefMsg->fType == kRefRootNode)
        {
            plSceneObject *so = plSceneObject::ConvertNoRef(refMsg->GetRef());
            if (so)
            {
                if (refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace))
                    fRootNode = so;
                else 
                    fRootNode = nil;

                return true;
            }
        }
        else if (genRefMsg->fType == kRefTargetNode)
        {
            plSceneObject *so = plSceneObject::ConvertNoRef(refMsg->GetRef());
            if (so)
            {
                if (refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace))
                {
                    if (fTargetNodes.Find(so) == fTargetNodes.kMissingIndex)
                        fTargetNodes.Append(so);
                }
                else 
                {
                    fTargetNodes.RemoveItem(so);
                }

                return true;
            }
        }
        else if (genRefMsg->fType == kRefDisableTexture)
        {
            plBitmap *bitmap = plBitmap::ConvertNoRef(refMsg->GetRef());
            if (bitmap)
            {
                if (refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace))
                    fDisableTexture = bitmap;
                else
                    fDisableTexture = nil;

                return true;
            }
        }
        else if (genRefMsg->fType == kRefMatLayer)
        {
            plLayer *lay = plLayer::ConvertNoRef(refMsg->GetRef());
            if (lay)
            {
                if (refMsg->GetContext() & (plRefMsg::kOnCreate|plRefMsg::kOnRequest|plRefMsg::kOnReplace))
                {
                    if (fMatLayers.Find(lay) == fMatLayers.kMissingIndex)
                        fMatLayers.Append(lay);
                }
                else
                {
                    fMatLayers.RemoveItem(lay);
                }

                return true;
            }
        }
    }

    return false;
}

void plDynamicCamMap::SetIncludeCharacters(bool b) 
{ 
    fIncCharacters = b; 
    if( b )
        fVisSet.SetBit(plVisMgr::kCharacter);
    else
        fVisSet.ClearBit(plVisMgr::kCharacter);
}

void plDynamicCamMap::AddVisRegion(plVisRegion* reg)
{
    hsgResMgr::ResMgr()->AddViaNotify( reg->GetKey(), new plGenRefMsg( GetKey(), plGenRefMsg::kOnReplace, -1, kRefVisSet ), plRefFlags::kActiveRef );
}

void plDynamicCamMap::SetEnabled(bool enable)
{
    if (enable)
        fFlags |= kReflectionEnabled;
    else
        fFlags &= ~kReflectionEnabled;
}

void plDynamicCamMap::SetCapable(bool capable)
{
    if (capable)
        fFlags |= kReflectionCapable;
    else
        fFlags &= ~kReflectionCapable;
}

void plDynamicCamMap::Read(hsStream* s, hsResMgr* mgr)
{
    hsKeyedObject::Read(s, mgr);
    plRenderTarget::Read(s);

    fHither = s->ReadLEScalar();
    fYon = s->ReadLEScalar();
    fFogStart = s->ReadLEScalar();
    fColor.Read(s);

    fRefreshRate = s->ReadLEScalar();
    fIncCharacters = s->ReadBool();
    SetIncludeCharacters(fIncCharacters);
    mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefCamera), plRefFlags::kPassiveRef);
    mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefRootNode), plRefFlags::kActiveRef);

    int numTargs = s->ReadByte();
    int i;
    for (i = 0; i < numTargs; i++)
        mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, i, kRefTargetNode), plRefFlags::kPassiveRef);

    int nVis = s->ReadLE32();
    for( i = 0; i < nVis; i++ )
        mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefVisSet), plRefFlags::kActiveRef);

    nVis = s->ReadLE32();
    for( i = 0; i < nVis; i++)
    {
        plKey key = plKeyFinder::Instance().StupidSearch(nil, nil, plVisRegion::Index(), s->ReadSafeString_TEMP());
        if (key)
            hsgResMgr::ResMgr()->AddViaNotify(key, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, -1, kRefVisSet), plRefFlags::kActiveRef);
    }

    mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefDisableTexture), plRefFlags::kActiveRef);
    
    uint8_t numLayers = s->ReadByte();
    for (i = 0; i < numLayers; i++)
    {
        mgr->ReadKeyNotifyMe(s, new plGenRefMsg(GetKey(), plRefMsg::kOnCreate, 0, kRefMatLayer), plRefFlags::kPassiveRef);
    }

    Init();
}

void plDynamicCamMap::Write(hsStream* s, hsResMgr* mgr)
{
    hsKeyedObject::Write(s, mgr);
    plRenderTarget::Write(s);

    s->WriteLEScalar(fHither);
    s->WriteLEScalar(fYon);
    s->WriteLEScalar(fFogStart);
    fColor.Write(s);

    s->WriteLEScalar(fRefreshRate);
    s->WriteByte(fIncCharacters);
    mgr->WriteKey(s, (fCamera ? fCamera->GetKey() : nil));
    mgr->WriteKey(s, (fRootNode ? fRootNode->GetKey() : nil));

    s->WriteByte(fTargetNodes.GetCount());
    int i;
    for (i = 0; i < fTargetNodes.GetCount(); i++)
        mgr->WriteKey(s, fTargetNodes[i]);

    s->WriteLE32(fVisRegions.GetCount());
    for( i = 0; i < fVisRegions.GetCount(); i++ )
        mgr->WriteKey(s, fVisRegions[i]);

    s->WriteLE32(fVisRegionNames.Count());
    for( i = 0; i < fVisRegionNames.Count(); i++)
    {
        s->WriteSafeString(fVisRegionNames[i]);
    }

    mgr->WriteKey(s, fDisableTexture ? fDisableTexture->GetKey() : nil);
    
    s->WriteByte(fMatLayers.GetCount());
    for (i = 0; i < fMatLayers.GetCount(); i++)
    {
        mgr->WriteKey(s, fMatLayers[i]->GetKey());
    }
}