diff --git a/src/polyrenderer/scene/poly_playersprite.cpp b/src/polyrenderer/scene/poly_playersprite.cpp
index dd8fc4850..b4b518933 100644
--- a/src/polyrenderer/scene/poly_playersprite.cpp
+++ b/src/polyrenderer/scene/poly_playersprite.cpp
@@ -30,11 +30,11 @@
 #include "d_player.h"
 #include "swrenderer/scene/r_viewport.h"
 #include "swrenderer/scene/r_light.h"
+#include "g_levellocals.h"
 
 EXTERN_CVAR(Bool, r_drawplayersprites)
 EXTERN_CVAR(Bool, r_deathcamera)
 EXTERN_CVAR(Bool, st_scale)
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
 EXTERN_CVAR(Bool, r_shadercolormaps)
 
 void RenderPolyPlayerSprites::Render()
@@ -269,12 +269,12 @@ void RenderPolyPlayerSprites::RenderSprite(DPSprite *sprite, AActor *owner, floa
 			}
 			if (swrenderer::fixedlightlev >= 0)
 			{
-				BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : mybasecolormap;
+				BaseColormap = (!level.PreserveSectorColor()) ? &FullNormalLight : mybasecolormap;
 				ColormapNum = swrenderer::fixedlightlev >> COLORMAPSHIFT;
 			}
 			else if (!foggy && sprite->GetState()->GetFullbright())
 			{ // full bright
-				BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : mybasecolormap;	// [RH] use basecolormap
+				BaseColormap = (!level.PreserveSectorColor()) ? &FullNormalLight : mybasecolormap;	// [RH] use basecolormap
 				ColormapNum = 0;
 			}
 			else
@@ -334,9 +334,9 @@ void RenderPolyPlayerSprites::RenderSprite(DPSprite *sprite, AActor *owner, floa
 			noaccel = true;
 		}
 		// [SP] If emulating GZDoom fullbright, disable acceleration
-		if (r_fullbrightignoresectorcolor && cameraLight->fixedlightlev >= 0)
+		if (!level.PreserveSectorColor() && cameraLight->fixedlightlev >= 0)
 			mybasecolormap = &FullNormalLight;
-		if (r_fullbrightignoresectorcolor && !foggy && sprite->GetState()->GetFullbright())
+		if (!level.PreserveSectorColor() && !foggy && sprite->GetState()->GetFullbright())
 			mybasecolormap = &FullNormalLight;
 		colormap_to_use = mybasecolormap;
 	}
diff --git a/src/swrenderer/line/r_line.cpp b/src/swrenderer/line/r_line.cpp
index 09b1965e4..e0975a0af 100644
--- a/src/swrenderer/line/r_line.cpp
+++ b/src/swrenderer/line/r_line.cpp
@@ -52,7 +52,6 @@
 
 CVAR(Bool, r_fogboundary, true, 0)
 CVAR(Bool, r_drawmirrors, true, 0)
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
 
 namespace swrenderer
 {
@@ -935,7 +934,7 @@ namespace swrenderer
 
 		CameraLight *cameraLight = CameraLight::Instance();
 		if (cameraLight->fixedlightlev >= 0)
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
 		else if (cameraLight->fixedcolormap != nullptr)
 			R_SetColorMapLight(cameraLight->fixedcolormap, 0, 0);
 
diff --git a/src/swrenderer/line/r_renderdrawsegment.cpp b/src/swrenderer/line/r_renderdrawsegment.cpp
index 214ed52b1..a381781c7 100644
--- a/src/swrenderer/line/r_renderdrawsegment.cpp
+++ b/src/swrenderer/line/r_renderdrawsegment.cpp
@@ -41,8 +41,7 @@
 #include "swrenderer/things/r_visiblesprite.h"
 #include "swrenderer/scene/r_light.h"
 #include "swrenderer/scene/r_viewport.h"
-
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
+#include "g_levellocals.h"
 
 namespace swrenderer
 {
@@ -142,7 +141,7 @@ namespace swrenderer
 		rw_scalestep = ds->iscalestep;
 
 		if (cameraLight->fixedlightlev >= 0)
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
 		else if (cameraLight->fixedcolormap != nullptr)
 			R_SetColorMapLight(cameraLight->fixedcolormap, 0, 0);
 
@@ -445,7 +444,7 @@ namespace swrenderer
 
 		CameraLight *cameraLight = CameraLight::Instance();
 		if (cameraLight->fixedlightlev >= 0)
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : basecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
 		else if (cameraLight->fixedcolormap != nullptr)
 			R_SetColorMapLight(cameraLight->fixedcolormap, 0, 0);
 
diff --git a/src/swrenderer/scene/r_light.cpp b/src/swrenderer/scene/r_light.cpp
index 851fab750..f214e5261 100644
--- a/src/swrenderer/scene/r_light.cpp
+++ b/src/swrenderer/scene/r_light.cpp
@@ -32,9 +32,9 @@
 #include "d_player.h"
 #include "swrenderer/scene/r_light.h"
 #include "swrenderer/scene/r_viewport.h"
+#include "g_levellocals.h"
 
 CVAR(Bool, r_shadercolormaps, true, CVAR_ARCHIVE)
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
 
 namespace swrenderer
 {
@@ -75,7 +75,7 @@ namespace swrenderer
 			{
 				fixedlightlev = player->fixedlightlevel * 256;
 				// [SP] Emulate GZDoom's light-amp goggles.
-				if (r_fullbrightignoresectorcolor && fixedlightlev >= 0)
+				if (!level.PreserveSectorColor() && fixedlightlev >= 0)
 				{
 					fixedcolormap = &FullNormalLight;
 				}
@@ -194,12 +194,12 @@ namespace swrenderer
 		}
 		else if (cameraLight->fixedlightlev >= 0)
 		{
-			BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap;
+			BaseColormap = (!level.PreserveSectorColor()) ? &FullNormalLight : basecolormap;
 			ColormapNum = cameraLight->fixedlightlev >> COLORMAPSHIFT;
 		}
 		else if (fullbright)
 		{
-			BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap;
+			BaseColormap = (!level.PreserveSectorColor()) ? &FullNormalLight : basecolormap;
 			ColormapNum = 0;
 		}
 		else
diff --git a/src/swrenderer/scene/r_opaque_pass.cpp b/src/swrenderer/scene/r_opaque_pass.cpp
index 2391d0542..2cb5a5993 100644
--- a/src/swrenderer/scene/r_opaque_pass.cpp
+++ b/src/swrenderer/scene/r_opaque_pass.cpp
@@ -62,7 +62,6 @@
 #include "r_data/colormaps.h"
 #include "g_levellocals.h"
 
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
 EXTERN_CVAR(Bool, r_drawvoxels);
 
 namespace swrenderer
@@ -494,7 +493,7 @@ namespace swrenderer
 		}
 		else
 		{
-			basecolormap = (r_fullbrightignoresectorcolor && cameraLight->fixedlightlev >= 0) ? &FullNormalLight : frontsector->ColorMap;
+			basecolormap = (!level.PreserveSectorColor() && cameraLight->fixedlightlev >= 0) ? &FullNormalLight : frontsector->ColorMap;
 		}
 
 		portal = frontsector->ValidatePortal(sector_t::ceiling);
@@ -532,7 +531,7 @@ namespace swrenderer
 		}
 		else
 		{
-			basecolormap = (r_fullbrightignoresectorcolor && cameraLight->fixedlightlev >= 0) ? &FullNormalLight : frontsector->ColorMap;
+			basecolormap = (!level.PreserveSectorColor() && cameraLight->fixedlightlev >= 0) ? &FullNormalLight : frontsector->ColorMap;
 		}
 
 		// killough 3/7/98: Add (x,y) offsets to flats, add deep water check
diff --git a/src/swrenderer/scene/r_translucent_pass.cpp b/src/swrenderer/scene/r_translucent_pass.cpp
index 67b060095..69444f560 100644
--- a/src/swrenderer/scene/r_translucent_pass.cpp
+++ b/src/swrenderer/scene/r_translucent_pass.cpp
@@ -43,8 +43,6 @@ EXTERN_CVAR(Int, r_drawfuzz)
 EXTERN_CVAR(Bool, r_drawvoxels)
 EXTERN_CVAR(Bool, r_blendmethod)
 
-CVAR(Bool, r_fullbrightignoresectorcolor, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
-
 namespace swrenderer
 {
 	RenderTranslucentPass *RenderTranslucentPass::Instance()
diff --git a/src/swrenderer/things/r_decal.cpp b/src/swrenderer/things/r_decal.cpp
index bf4728315..37c83faa5 100644
--- a/src/swrenderer/things/r_decal.cpp
+++ b/src/swrenderer/things/r_decal.cpp
@@ -42,8 +42,7 @@
 #include "swrenderer/scene/r_light.h"
 #include "swrenderer/things/r_wallsprite.h"
 #include "swrenderer/r_memory.h"
-
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
+#include "g_levellocals.h"
 
 namespace swrenderer
 {
@@ -255,11 +254,11 @@ namespace swrenderer
 		light = lightleft + (x1 - savecoord.sx1) * lightstep;
 		cameraLight = CameraLight::Instance();
 		if (cameraLight->fixedlightlev >= 0)
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : usecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : usecolormap, 0, FIXEDLIGHT2SHADE(cameraLight->fixedlightlev));
 		else if (cameraLight->fixedcolormap != NULL)
 			R_SetColorMapLight(cameraLight->fixedcolormap, 0, 0);
 		else if (!foggy && (decal->RenderFlags & RF_FULLBRIGHT))
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : usecolormap, 0, 0);
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : usecolormap, 0, 0);
 		else
 			calclighting = true;
 
diff --git a/src/swrenderer/things/r_particle.cpp b/src/swrenderer/things/r_particle.cpp
index 5d978fd9f..a63028e84 100644
--- a/src/swrenderer/things/r_particle.cpp
+++ b/src/swrenderer/things/r_particle.cpp
@@ -56,8 +56,6 @@
 #include "swrenderer/drawers/r_draw_pal.h"
 #include "swrenderer/r_memory.h"
 
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
-
 namespace swrenderer
 {
 	void RenderParticle::Project(particle_t *particle, const sector_t *sector, int shade, WaterFakeSide fakeside, bool foggy)
diff --git a/src/swrenderer/things/r_playersprite.cpp b/src/swrenderer/things/r_playersprite.cpp
index 3e7f74564..ac703ab31 100644
--- a/src/swrenderer/things/r_playersprite.cpp
+++ b/src/swrenderer/things/r_playersprite.cpp
@@ -61,7 +61,6 @@ EXTERN_CVAR(Bool, st_scale)
 EXTERN_CVAR(Bool, r_drawplayersprites)
 EXTERN_CVAR(Bool, r_deathcamera)
 EXTERN_CVAR(Bool, r_shadercolormaps)
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
 
 namespace swrenderer
 {
diff --git a/src/swrenderer/things/r_sprite.cpp b/src/swrenderer/things/r_sprite.cpp
index ac2cedb2a..531c83b1a 100644
--- a/src/swrenderer/things/r_sprite.cpp
+++ b/src/swrenderer/things/r_sprite.cpp
@@ -56,8 +56,6 @@
 #include "swrenderer/things/r_sprite.h"
 #include "swrenderer/r_memory.h"
 
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
-
 namespace swrenderer
 {
 	void RenderSprite::Project(AActor *thing, const DVector3 &pos, FTexture *tex, const DVector2 &spriteScale, int renderflags, WaterFakeSide fakeside, F3DFloor *fakefloor, F3DFloor *fakeceiling, sector_t *current_sector, int spriteshade, bool foggy, FDynamicColormap *basecolormap)
diff --git a/src/swrenderer/things/r_visiblesprite.cpp b/src/swrenderer/things/r_visiblesprite.cpp
index b2c0b054a..14406be39 100644
--- a/src/swrenderer/things/r_visiblesprite.cpp
+++ b/src/swrenderer/things/r_visiblesprite.cpp
@@ -36,8 +36,6 @@
 #include "swrenderer/scene/r_viewport.h"
 #include "swrenderer/r_memory.h"
 
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
-
 namespace swrenderer
 {
 	void VisibleSprite::Render()
diff --git a/src/swrenderer/things/r_voxel.cpp b/src/swrenderer/things/r_voxel.cpp
index aa6b8206e..73509dbac 100644
--- a/src/swrenderer/things/r_voxel.cpp
+++ b/src/swrenderer/things/r_voxel.cpp
@@ -43,8 +43,6 @@
 #include "swrenderer/scene/r_light.h"
 #include "swrenderer/r_memory.h"
 
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
-
 namespace swrenderer
 {
 	void RenderVoxel::Project(AActor *thing, DVector3 pos, FVoxelDef *voxel, const DVector2 &spriteScale, int renderflags, WaterFakeSide fakeside, F3DFloor *fakefloor, F3DFloor *fakeceiling, sector_t *current_sector, int spriteshade, bool foggy, FDynamicColormap *basecolormap)
diff --git a/src/swrenderer/things/r_wallsprite.cpp b/src/swrenderer/things/r_wallsprite.cpp
index f599098d3..a6a600058 100644
--- a/src/swrenderer/things/r_wallsprite.cpp
+++ b/src/swrenderer/things/r_wallsprite.cpp
@@ -57,8 +57,7 @@
 #include "swrenderer/line/r_wallsetup.h"
 #include "swrenderer/line/r_walldraw.h"
 #include "swrenderer/r_memory.h"
-
-EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor);
+#include "g_levellocals.h"
 
 namespace swrenderer
 {
@@ -190,7 +189,7 @@ namespace swrenderer
 		else if (cameraLight->fixedcolormap != NULL)
 			R_SetColorMapLight(cameraLight->fixedcolormap, 0, 0);
 		else if (!spr->foggy && (spr->renderflags & RF_FULLBRIGHT))
-			R_SetColorMapLight((r_fullbrightignoresectorcolor) ? &FullNormalLight : usecolormap, 0, 0);
+			R_SetColorMapLight((!level.PreserveSectorColor()) ? &FullNormalLight : usecolormap, 0, 0);
 		else
 			calclighting = true;