/*==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
permission to convey the resulting work. Corresponding Source for a
non-source form of such a combination shall include the source code for
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
work.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/

#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("", "", 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::ResizeViewport(const plViewTransform& vt)
{
    if (!fProportionalViewport)
    {
        fWidth = vt.GetViewPortWidth();
        fHeight = vt.GetViewPortHeight();

        fViewport.fAbsolute.fBottom = vt.GetViewPortBottom();
        fViewport.fAbsolute.fLeft = vt.GetViewPortLeft();
        fViewport.fAbsolute.fRight = vt.GetViewPortRight();
        fViewport.fAbsolute.fTop = vt.GetViewPortTop();

        fReq.SetViewTransform(vt);
    }
}

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 plLayRefMsg(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 plLayRefMsg(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("", "", 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());
    }
}