- removed the subsector light lists as a preparation step to move over the light traversal code to use sections instead of subsectors.

src/g_shared/a_dynlight.cpp

@@ -574,7 +574,7 @@ void ADynamicLight::CollectWithinRadius(const DVector3 &opos, subsector_t *subSe
 	{
 		subSec = collected_ss[i].sub;
 
-		touching_subsectors = AddLightNode(&subSec->lighthead, subSec, this, touching_subsectors);
+		//touching_subsectors = AddLightNode(&subSec->lighthead, subSec, this, touching_subsectors);
 		if (subSec->sector->validcount != ::validcount)
 		{
 			touching_sector = AddLightNode(&subSec->render_sector->lighthead, subSec->sector, this, touching_sector);
@@ -682,12 +682,6 @@ void ADynamicLight::LinkLight()
     {
 		node->lightsource = NULL;
 		node = node->nextTarget;
-    }
-	node = touching_subsectors;
-	while (node)
-    {
-		node->lightsource = NULL;
-		node = node->nextTarget;
     }
 	node = touching_sector;
 	while (node)
@@ -719,17 +713,6 @@ void ADynamicLight::LinkLight()
 			node = node->nextTarget;
 	}
 
-	node = touching_subsectors;
-	while (node)
-	{
-		if (node->lightsource == NULL)
-		{
-			node = DeleteLightNode(node);
-		}
-		else
-			node = node->nextTarget;
-	}
-
 	node = touching_sector;
 	while (node)
 	{
@@ -763,7 +746,6 @@ void ADynamicLight::UnlinkLight ()
 		}
 	}
 	while (touching_sides) touching_sides = DeleteLightNode(touching_sides);
-	while (touching_subsectors) touching_subsectors = DeleteLightNode(touching_subsectors);
 	while (touching_sector) touching_sector = DeleteLightNode(touching_sector);
 	shadowmapped = false;
 }
@@ -918,7 +900,7 @@ void AActor::RecreateAllAttachedLights()
 
 CCMD(listlights)
 {
-	int walls, sectors, subsecs;
+	int walls, sectors;
 	int allwalls=0, allsectors=0, allsubsecs = 0;
 	int i=0, shadowcount = 0;
 	ADynamicLight * dl;
@@ -928,7 +910,6 @@ CCMD(listlights)
 	{
 		walls=0;
 		sectors=0;
-		subsecs = 0;
 		Printf("%s at (%f, %f, %f), color = 0x%02x%02x%02x, radius = %f %s %s",
 			dl->target? dl->target->GetClass()->TypeName.GetChars() : dl->GetClass()->TypeName.GetChars(),
 			dl->X(), dl->Y(), dl->Z(), dl->args[LIGHT_RED], 
@@ -954,14 +935,6 @@ CCMD(listlights)
 			node = node->nextTarget;
 		}
 
-		node=dl->touching_subsectors;
-
-		while (node)
-		{
-			allsubsecs++;
-			subsecs++;
-			node = node->nextTarget;
-		}
 
 		node = dl->touching_sector;
 
@@ -971,27 +944,10 @@ CCMD(listlights)
 			sectors++;
 			node = node->nextTarget;
 		}
-		Printf("- %d walls, %d subsectors, %d sectors\n", walls, subsecs, sectors);
+		Printf("- %d walls, %d sectors\n", walls, sectors);
 
 	}
-	Printf("%i dynamic lights, %d shadowmapped, %d walls, %d subsectors, %d sectors\n\n\n", i, shadowcount, allwalls, allsubsecs, allsectors);
-}
-
-CCMD(listsublights)
-{
-	for(auto &sub : level.subsectors)
-	{
-		int lights = 0;
-
-		FLightNode * node = sub.lighthead;
-		while (node != NULL)
-		{
-			lights++;
-			node = node->nextLight;
-		}
-
-		Printf(PRINT_LOG, "Subsector %d - %d lights\n", sub.Index(), lights);
-	}
+	Printf("%i dynamic lights, %d shadowmapped, %d walls, %d sectors\n\n\n", i, shadowcount, allwalls, allsectors);
 }
 
 

src/g_shared/a_dynlight.h

@@ -206,7 +206,6 @@ public:
 	bool IsSpot() { return !!(lightflags & LF_SPOT); }
 	FState *targetState;
 	FLightNode * touching_sides;
-	FLightNode * touching_subsectors;
 	FLightNode * touching_sector;
 
 private:

src/hwrenderer/scene/hw_renderhacks.cpp

@@ -54,7 +54,7 @@ int HWDrawInfo::SetupLightsForOtherPlane(subsector_t * sub, FDynLightData &light
 	if (level.HasDynamicLights && !isFullbrightScene())
 	{
 		Plane p;
-		FLightNode * node = sub->lighthead;
+		FLightNode * node = sub->sector->lighthead;
 
 		lightdata.Clear();
 		while (node)

src/hwrenderer/scene/hw_spritelight.cpp

@@ -131,11 +131,11 @@ void HWDrawInfo::GetDynSpriteLight(AActor *thing, particle_t *particle, float *o
 {
 	if (thing != NULL)
 	{
-		GetDynSpriteLight(thing, (float)thing->X(), (float)thing->Y(), (float)thing->Center(), thing->subsector->lighthead, thing->Sector->PortalGroup, out);
+		GetDynSpriteLight(thing, (float)thing->X(), (float)thing->Y(), (float)thing->Center(), thing->Sector->lighthead, thing->Sector->PortalGroup, out);
 	}
 	else if (particle != NULL)
 	{
-		GetDynSpriteLight(NULL, (float)particle->Pos.X, (float)particle->Pos.Y, (float)particle->Pos.Z, particle->subsector->lighthead, particle->subsector->sector->PortalGroup, out);
+		GetDynSpriteLight(NULL, (float)particle->Pos.X, (float)particle->Pos.Y, (float)particle->Pos.Z, particle->subsector->sector->lighthead, particle->subsector->sector->PortalGroup, out);
 	}
 }
 
@@ -160,7 +160,7 @@ void hw_GetDynModelLight(AActor *self, FDynLightData &modellightdata)
 
 		BSPWalkCircle(x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
 		{
-			FLightNode * node = subsector->lighthead;
+			FLightNode * node = subsector->sector->lighthead;
 			while (node) // check all lights touching a subsector
 			{
 				ADynamicLight *light = node->lightsource;

src/hwrenderer/scene/hw_walls.cpp

@@ -302,7 +302,7 @@ void GLWall::SetupLights(HWDrawInfo *di, FDynLightData &lightdata)
 	else if (sub)
 	{
 		// Polobject segs cannot be checked per sidedef so use the subsector instead.
-		node = sub->lighthead;
+		node = sub->sector->lighthead;
 	}
 	else node = NULL;
 

src/polyrenderer/scene/poly_model.cpp

@@ -70,7 +70,7 @@ void PolyModelRenderer::AddLights(AActor *actor)
 
 		BSPWalkCircle(x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
 		{
-			FLightNode * node = subsector->lighthead;
+			FLightNode * node = subsector->sector->lighthead;
 			while (node) // check all lights touching a subsector
 			{
 				ADynamicLight *light = node->lightsource;

src/polyrenderer/scene/poly_plane.cpp

@@ -275,7 +275,7 @@ void RenderPolyPlane::SetDynLights(PolyRenderThread *thread, PolyDrawArgs &args,
 		return;
 	}
 
-	FLightNode *light_list = sub->lighthead;
+	FLightNode *light_list = sub->sector->lighthead;
 
 	auto cameraLight = PolyCameraLight::Instance();
 	if ((cameraLight->FixedLightLevel() >= 0) || (cameraLight->FixedColormap() != nullptr))

src/r_defs.h

@@ -1460,7 +1460,6 @@ struct subsector_t
 	uint16_t	sectorindex;
 
 	// subsector related GL data
-	FLightNode *	lighthead;	// Light nodes (blended and additive)
 	int				validcount;
 	short			mapsection;
 	char			hacked;			// 1: is part of a render hack

src/swrenderer/things/r_model.cpp

@@ -111,7 +111,7 @@ namespace swrenderer
 
 			BSPWalkCircle(x, y, radiusSquared, [&](subsector_t *subsector) // Iterate through all subsectors potentially touched by actor
 			{
-				FLightNode * node = subsector->lighthead;
+				FLightNode * node = subsector->sector->lighthead;
 				while (node) // check all lights touching a subsector
 				{
 					ADynamicLight *light = node->lightsource;