- moved ViewActor variable into FRenderViewpoint.

src/gl/renderer/gl_renderer.h

@@ -93,7 +93,6 @@ public:
 	int mMirrorCount;
 	int mPlaneMirrorCount;
 	float mCurrentFoV;
-	AActor *mViewActor;
 	FShaderManager *mShaderManager;
 	FSamplerManager *mSamplerManager;
 	unsigned int mFBID;

src/gl/scene/gl_portal.cpp

@@ -267,14 +267,13 @@ bool GLPortal::Start(bool usestencil, bool doquery, FDrawInfo **pDi)
 
 	// save viewpoint
 	savedviewpoint = r_viewpoint;
-	savedviewactor=GLRenderer->mViewActor;
 	savedvisibility = r_viewpoint.camera ? r_viewpoint.camera->renderflags & RF_MAYBEINVISIBLE : ActorRenderFlags::FromInt(0);
 
 
 	PrevPortal = GLRenderer->mCurrentPortal;
 	GLRenderer->mCurrentPortal = this;
 
-	if (PrevPortal != NULL) PrevPortal->PushState();
+	if (PrevPortal != nullptr) PrevPortal->PushState();
 	return true;
 }
 
@@ -317,7 +316,7 @@ void GLPortal::End(bool usestencil)
 	bool needdepth = NeedDepthBuffer();
 
 	Clocker c(PortalAll);
-	if (PrevPortal != NULL) PrevPortal->PopState();
+	if (PrevPortal != nullptr) PrevPortal->PopState();
 	GLRenderer->mCurrentPortal = PrevPortal;
 
 	if (usestencil)
@@ -326,7 +325,6 @@ void GLPortal::End(bool usestencil)
 
 		// Restore the old view
 		r_viewpoint = savedviewpoint;
-		GLRenderer->mViewActor=savedviewactor;
 		if (r_viewpoint.camera != nullptr) r_viewpoint.camera->renderflags = (r_viewpoint.camera->renderflags & ~RF_MAYBEINVISIBLE) | savedvisibility;
 		drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
 
@@ -381,7 +379,6 @@ void GLPortal::End(bool usestencil)
 		}
 		// Restore the old view
 		r_viewpoint = savedviewpoint;
-		GLRenderer->mViewActor=savedviewactor;
 		if (r_viewpoint.camera != nullptr) r_viewpoint.camera->renderflags |= savedvisibility;
 		drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
 
@@ -458,7 +455,7 @@ void GLPortal::EndFrame()
 
 	// Only use occlusion query if there are more than 2 portals. 
 	// Otherwise there's too much overhead.
-	// (And don't forget to consider the separating NULL pointers!)
+	// (And don't forget to consider the separating nullptr pointers!)
 	bool usequery = portals.Size() > 2 + (unsigned)renderdepth;
 
 	while (portals.Pop(p) && p)
@@ -494,13 +491,13 @@ void GLPortal::EndFrame()
 bool GLPortal::RenderFirstSkyPortal(int recursion)
 {
 	GLPortal * p;
-	GLPortal * best = NULL;
+	GLPortal * best = nullptr;
 	unsigned bestindex=0;
 
 	// Find the one with the highest amount of lines.
 	// Normally this is also the one that saves the largest amount
 	// of time by drawing it before the scene itself.
-	for(int i = portals.Size()-1; i >= 0 && portals[i] != NULL; --i)
+	for(int i = portals.Size()-1; i >= 0 && portals[i] != nullptr; --i)
 	{
 		p=portals[i];
 		if (p->lines.Size() > 0 && p->IsSky())
@@ -538,7 +535,7 @@ GLPortal * GLPortal::FindPortal(const void * src)
 	int i=portals.Size()-1;
 
 	while (i>=0 && portals[i] && portals[i]->GetSource()!=src) i--;
-	return i>=0? portals[i]:NULL;
+	return i>=0? portals[i]:nullptr;
 }
 
 
@@ -587,7 +584,7 @@ void GLSkyboxPortal::DrawContents(FDrawInfo *di)
 	if (r_viewpoint.Pos.Z < floorh + 4) r_viewpoint.Pos.Z = floorh + 4;
 	if (r_viewpoint.Pos.Z > ceilh - 4) r_viewpoint.Pos.Z = ceilh - 4;
 
-	GLRenderer->mViewActor = origin;
+	r_viewpoint.ViewActor = origin;
 
 	inskybox = true;
 	drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag & 1), !!(PlaneMirrorFlag & 1));
@@ -625,7 +622,7 @@ void GLSkyboxPortal::DrawContents(FDrawInfo *di)
 
 GLSectorStackPortal *FSectorPortalGroup::GetRenderState()
 {
-	if (glportal == NULL) glportal = new GLSectorStackPortal(this);
+	if (glportal == nullptr) glportal = new GLSectorStackPortal(this);
 	return glportal;
 }
 
@@ -633,9 +630,9 @@ GLSectorStackPortal *FSectorPortalGroup::GetRenderState()
 
 GLSectorStackPortal::~GLSectorStackPortal()
 {
-	if (origin != NULL && origin->glportal == this)
+	if (origin != nullptr && origin->glportal == this)
 	{
-		origin->glportal = NULL;
+		origin->glportal = nullptr;
 	}
 }
 
@@ -692,7 +689,7 @@ void GLSectorStackPortal::DrawContents(FDrawInfo *di)
 
 	r_viewpoint.Pos += origin->mDisplacement;
 	r_viewpoint.ActorPos += origin->mDisplacement;
-	GLRenderer->mViewActor = NULL;
+	r_viewpoint.ViewActor = nullptr;
 
 	// avoid recursions!
 	if (origin->plane != -1) screen->instack[origin->plane]++;
@@ -748,7 +745,7 @@ void GLPlaneMirrorPortal::DrawContents(FDrawInfo *di)
 
 	double planez = origin->ZatPoint(r_viewpoint.Pos);
 	r_viewpoint.Pos.Z = 2 * planez - r_viewpoint.Pos.Z;
-	GLRenderer->mViewActor = NULL;
+	r_viewpoint.ViewActor = nullptr;
 	PlaneMirrorMode = origin->fC() < 0 ? -1 : 1;
 
 	PlaneMirrorFlag++;
@@ -919,7 +916,7 @@ void GLMirrorPortal::DrawContents(FDrawInfo *di)
 	}
 	r_viewpoint.Angles.Yaw = linedef->Delta().Angle() * 2. - StartAngle;
 
-	GLRenderer->mViewActor = NULL;
+	r_viewpoint.ViewActor = nullptr;
 
 	MirrorFlag++;
 	drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
@@ -998,7 +995,7 @@ void GLLineToLinePortal::DrawContents(FDrawInfo *di)
 		di->CurrentMapSections.Set(sub->mapsection);
 	}
 
-	GLRenderer->mViewActor = nullptr;
+	r_viewpoint.ViewActor = nullptr;
 	drawer->SetupView(r_viewpoint.Pos.X, r_viewpoint.Pos.Y, r_viewpoint.Pos.Z, r_viewpoint.Angles.Yaw, !!(MirrorFlag&1), !!(PlaneMirrorFlag&1));
 
 	ClearClipper(di);

src/gl/scene/gl_scene.cpp

@@ -236,7 +236,6 @@ void GLSceneDrawer::CreateScene(FDrawInfo *di)
 	validcount++;	// used for processing sidedefs only once by the renderer.
 	 
 	di->mAngles = GLRenderer->mAngles;
-	di->mViewActor = GLRenderer->mViewActor;
 	di->mShadowMap = &GLRenderer->mShadowMap;
 
 	di->RenderBSPNode (level.HeadNode());
@@ -636,11 +635,11 @@ sector_t * GLSceneDrawer::RenderViewpoint (AActor * camera, IntRect * bounds, fl
 	if (camera->player && camera->player - players == consoleplayer &&
 		((camera->player->cheats & CF_CHASECAM) || (r_deathcamera && camera->health <= 0)) && camera == camera->player->mo)
 	{
-		GLRenderer->mViewActor=NULL;
+		r_viewpoint.ViewActor = nullptr;
 	}
 	else
 	{
-		GLRenderer->mViewActor=camera;
+		r_viewpoint.ViewActor = camera;
 	}
 
 	// 'viewsector' will not survive the rendering so it cannot be used anymore below.

src/hwrenderer/scene/hw_drawinfo.h

@@ -84,7 +84,6 @@ struct HWDrawInfo
 	std::atomic<int> spriteindex;
 	IPortal *mClipPortal;
 	FRotator mAngles;
-	AActor *mViewActor;
 	IShadowMap *mShadowMap;
 	Clipper *mClipper;
 

src/hwrenderer/scene/hw_sprites.cpp

@@ -461,7 +461,7 @@ void GLSprite::Process(HWDrawInfo *di, AActor* thing, sector_t * sector, area_t
 	// don't draw first frame of a player missile
 	if (thing->flags&MF_MISSILE)
 	{
-		if (!(thing->flags7 & MF7_FLYCHEAT) && thing->target == di->mViewActor && di->mViewActor != nullptr)
+		if (!(thing->flags7 & MF7_FLYCHEAT) && thing->target == vp.ViewActor && vp.ViewActor != nullptr)
 		{
 			double speed = thing->Vel.Length();
 			if (speed >= thing->target->radius / 2)

src/r_utility.h

@@ -22,6 +22,7 @@ struct FRenderViewpoint
 	DVector3		ActorPos;		// Camera actor's position
 	DRotator		Angles;			// Camera angles
 	DVector2		ViewVector;		// HWR only: direction the camera is facing.
+	AActor			*ViewActor;		// either the same as camera or nullptr
 
 	DVector3		Path[2];		// View path for portal calculations
 	double			Cos;			// cos(Angles.Yaw)