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

/*==LICENSE==*

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*==LICENSE==*/

#include "HeadSpin.h"
#include "plRenderRequest.h"
#include "plPageTreeMgr.h"
#include "plPipeline/plRenderTarget.h"
#include "hsFastMath.h"
#include "hsStream.h"
#include "plPipeline.h"
#include "plMessage/plRenderRequestMsg.h"
#include "plgDispatch.h"
#include "plVisMgr.h"

plRenderRequest::plRenderRequest()
:   fRenderTarget(nil),
    fPageMgr(nil),
    fAck(nil),
    fOverrideMat(nil),
    fEraseMat(nil),
    fDrawableMask(uint32_t(-1)),
    fSubDrawableMask(uint32_t(-1)),
    fRenderState(0),
    fClearDepth(1.f),
    fFogStart(-1.f),
    fClearDrawable(nil),
    fPriority(-1.e6f),
    fUserData(0),
    fIgnoreOccluders(false)
{
    fClearColor.Set(0,0,0,1.f);

    fLocalToWorld.Reset();
    fWorldToLocal.Reset();
    
}

plRenderRequest::~plRenderRequest()
{
}

void plRenderRequest::SetLocalTransform(const hsMatrix44& l2w, const hsMatrix44& w2l)
{
    fLocalToWorld = l2w;
    fWorldToLocal = w2l;
}

void plRenderRequest::Read(hsStream* s, hsResMgr* mgr)
{
    fClearDrawable = nil;
    fRenderTarget = nil;
    fPageMgr = nil;

    fDrawableMask = s->ReadLE32();
    fSubDrawableMask = s->ReadLE32();

    fRenderState = s->ReadLE32();

    fLocalToWorld.Read(s);
    fWorldToLocal.Read(s);

    fPriority = s->ReadLEScalar();
}

void plRenderRequest::Write(hsStream* s, hsResMgr* mgr)
{
    s->WriteLE32(fDrawableMask);
    s->WriteLE32(fSubDrawableMask);

    s->WriteLE32(fRenderState);

    fLocalToWorld.Write(s);
    fWorldToLocal.Write(s);

    s->WriteLEScalar(fPriority);
}

void plRenderRequest::Render(plPipeline* pipe, plPageTreeMgr* pageMgr)
{
    if( !fVisForce.Empty() )
    {
        plGlobalVisMgr::Instance()->DisableNormal();
        plGlobalVisMgr::Instance()->ForceVisSets(fVisForce, false);
    }

    pipe->PushRenderRequest(this);

    pipe->ClearRenderTarget(GetClearDrawable());

    int numDrawn = 0;
    if( GetPageTreeMgr() )
        numDrawn = GetPageTreeMgr()->Render(pipe);
    else
        numDrawn = pageMgr->Render(pipe);

    pipe->PopRenderRequest(this);
    
    if( GetAck() )
    {
        plRenderRequestAck* ack = TRACKED_NEW plRenderRequestAck( GetAck(), GetUserData() );
        ack->SetNumDrawn(numDrawn);
        plgDispatch::MsgSend( ack );
    }
}

void plRenderRequest::SetRenderTarget(plRenderTarget* t) 
{ 
    if( t != fRenderTarget )
    {
        fRenderTarget = t; 

        if( fRenderTarget )
        {
            fViewTransform.SetWidth(t->GetWidth());
            fViewTransform.SetHeight(t->GetHeight());
        }
    }
}

void plRenderRequest::SetVisForce(const hsBitVector& b)
{
    if( b.Empty() )
        fVisForce.Reset();
    else
        fVisForce = b;
}

hsBool plRenderRequest::GetRenderCharacters() const 
{ 
    return fVisForce.IsBitSet(plVisMgr::kCharacter); 
}