Merge branch 'master' into modern

src/d_main.cpp

@@ -764,7 +764,7 @@ void D_Display ()
 			//
 
 			// Check for the presence of dynamic lights at the start of the frame once.
-			if (gl_lights)
+			if ((gl_lights && vid_rendermode == 4) || (r_dynlights && vid_rendermode != 4))
 			{
 				TThinkerIterator<ADynamicLight> it(STAT_DLIGHT);
 				level.HasDynamicLights = !!it.Next();

src/g_shared/a_dynlight.h

@@ -3,6 +3,7 @@
 #include "actor.h"
 #include "cycler.h"
 
+EXTERN_CVAR(Bool, r_dynlights)
 EXTERN_CVAR(Bool, gl_lights)
 EXTERN_CVAR(Bool, gl_attachedlights)
 

src/p_sight.cpp

@@ -151,6 +151,7 @@ public:
 void SightCheck::P_SightOpening(SightOpening &open, const line_t *linedef, double x, double y)
 {
 	open.portalflags = 0;
+	open.bottom = open.top = 0;
 	sector_t *front = linedef->frontsector;
 	sector_t *back = linedef->backsector;
 
@@ -159,8 +160,10 @@ void SightCheck::P_SightOpening(SightOpening &open, const line_t *linedef, doubl
 		// single sided line
 		if (linedef->flags & ML_PORTALCONNECT)
 		{
-			if (!front->PortalBlocksSight(sector_t::ceiling)) open.portalflags |= SO_TOPFRONT;
+			if (!front->PortalBlocksSight(sector_t::ceiling)) open.top = LINEOPEN_MAX, open.portalflags |= SO_TOPFRONT;
-			if (!front->PortalBlocksSight(sector_t::floor)) open.portalflags |= SO_BOTTOMFRONT;
+			if (!front->PortalBlocksSight(sector_t::floor)) open.bottom = LINEOPEN_MIN, open.portalflags |= SO_BOTTOMFRONT;
+			if (open.top == 0) open.top = front->floorplane.ZatPoint(x, y);
+			if (open.bottom == 0) open.bottom = front->ceilingplane.ZatPoint(x, y);
 		}
 
 		open.range = 0;
@@ -224,7 +227,7 @@ bool SightCheck::PTR_SightTraverse (intercept_t *in)
 	{
 		// This may not skip P_SightOpening, but only reduce the open range to 0.
 		open.range = 0;
-		open.bottom = open.top;
+		if (open.bottom != LINEOPEN_MIN) open.bottom = open.top;
 	}
 
 	FLinePortal *lport = li->getPortal();

src/polyrenderer/scene/poly_model.cpp

@@ -56,7 +56,7 @@ PolyModelRenderer::PolyModelRenderer(PolyRenderThread *thread, const Mat4f &worl
 
 void PolyModelRenderer::AddLights(AActor *actor)
 {
-	if (gl_lights && actor)
+	if (r_dynlights && actor)
 	{
 		auto &addedLights = Thread->AddedLightsArray;
 

src/polyrenderer/scene/poly_plane.cpp

@@ -269,6 +269,12 @@ void RenderPolyPlane::SetLightLevel(PolyRenderThread *thread, PolyDrawArgs &args
 
 void RenderPolyPlane::SetDynLights(PolyRenderThread *thread, PolyDrawArgs &args, subsector_t *sub, bool ceiling)
 {
+	if (!r_dynlights)
+	{
+		args.SetLights(nullptr, 0);
+		return;
+	}
+
 	FLightNode *light_list = sub->lighthead;
 
 	auto cameraLight = PolyCameraLight::Instance();

src/polyrenderer/scene/poly_wall.cpp

@@ -374,6 +374,12 @@ void RenderPolyWall::Render(PolyRenderThread *thread)
 
 void RenderPolyWall::SetDynLights(PolyRenderThread *thread, PolyDrawArgs &args)
 {
+	if (!r_dynlights)
+	{
+		args.SetLights(nullptr, 0);
+		return;
+	}
+
 	FLightNode *light_list = (LineSeg && LineSeg->sidedef) ? LineSeg->sidedef->lighthead : nullptr;
 
 	auto cameraLight = PolyCameraLight::Instance();

src/swrenderer/things/r_model.cpp

@@ -98,7 +98,7 @@ namespace swrenderer
 
 	void SWModelRenderer::AddLights(AActor *actor)
 	{
-		if (gl_lights && actor)
+		if (r_dynlights && actor)
 		{
 			auto &addedLights = Thread->AddedLightsArray;