Fix broken fixed camera light for walls

src/rendering/swrenderer/drawers/r_draw.cpp

@@ -232,8 +232,6 @@ namespace swrenderer
 		WallColumnDrawerArgs& drawerargs = *thread->columndrawer.get();
 		drawerargs.wallargs = &wallargs;
 
-		bool fixed = wallargs.fixedlight;
-
 		bool haslights = r_dynlights && wallargs.lightlist;
 		if (haslights)
 		{
@@ -249,7 +247,13 @@ namespace swrenderer
 
 		float curlight = wallargs.lightpos;
 		float lightstep = wallargs.lightstep;
-		int shade = wallargs.mShade;
+		int shade = wallargs.Shade();
+
+		if (wallargs.fixedlight)
+		{
+			curlight = wallargs.FixedLight();
+			lightstep = 0;
+		}
 
 		float upos = wallargs.texcoords.upos, ustepX = wallargs.texcoords.ustepX, ustepY = wallargs.texcoords.ustepY;
 		float vpos = wallargs.texcoords.vpos, vstepX = wallargs.texcoords.vstepX, vstepY = wallargs.texcoords.vstepY;
@@ -274,7 +278,7 @@ namespace swrenderer
 			int y2 = dwal[x];
 			if (y2 > y1)
 			{
-				if (!fixed) drawerargs.SetLight(curlight, shade);
+				drawerargs.SetLight(curlight, shade);
 				if (haslights)
 					SetLights(drawerargs, x, y1);
 				else

src/rendering/swrenderer/line/r_walldraw.cpp

@@ -52,6 +52,8 @@
 #include "swrenderer/r_renderthread.h"
 #include "swrenderer/r_memory.h"
 
+EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)
+
 namespace swrenderer
 {
 	RenderWallPart::RenderWallPart(RenderThread* thread)
@@ -130,11 +132,30 @@ namespace swrenderer
 		// Textures that aren't masked can use the faster opaque drawer
 		if (!pic->GetTexture()->isMasked() && mask && alpha >= OPAQUE && !additive)
 		{
-			drawerargs.SetStyle(true, false, OPAQUE, mLight.GetBaseColormap(), light_list);
+			drawerargs.SetStyle(true, false, OPAQUE, light_list);
 		}
 		else
 		{
-			drawerargs.SetStyle(mask, additive, alpha, mLight.GetBaseColormap(), light_list);
+			drawerargs.SetStyle(mask, additive, alpha, light_list);
+		}
+
+		if (cameraLight->FixedLightLevel() >= 0)
+		{
+			drawerargs.SetBaseColormap((r_fullbrightignoresectorcolor) ? &FullNormalLight : mLight.GetBaseColormap());
+			drawerargs.SetLight(0.0f, cameraLight->FixedLightLevelShade());
+			drawerargs.fixedlight = true;
+		}
+		else if (cameraLight->FixedColormap())
+		{
+			drawerargs.SetBaseColormap(cameraLight->FixedColormap());
+			drawerargs.SetLight(0.0f, 0);
+			drawerargs.fixedlight = true;
+		}
+		else
+		{
+			drawerargs.SetBaseColormap(mLight.GetBaseColormap());
+			drawerargs.SetLight(0.0f, mLight.GetLightLevel(), mLight.GetFoggy(), viewport);
+			drawerargs.fixedlight = false;
 		}
 
 		int count = x2 - x1;
@@ -151,7 +172,7 @@ namespace swrenderer
 
 		drawerargs.lightpos = mLight.GetLightPos(x1);
 		drawerargs.lightstep = mLight.GetLightStep();
-		drawerargs.mShade = LightVisibility::LightLevelToShade(mLight.GetLightLevel(), mLight.GetFoggy(), viewport);
+
 		drawerargs.lightlist = light_list;
 
 		drawerargs.texwidth = pic->GetPhysicalWidth();
@@ -183,7 +204,6 @@ namespace swrenderer
 		drawerargs.TanCos = Thread->Viewport->viewpoint.TanCos;
 		drawerargs.TanSin = Thread->Viewport->viewpoint.TanSin;
 		drawerargs.PortalMirrorFlags = Thread->Portal->MirrorFlags;
-		drawerargs.fixedlight = (cameraLight->FixedColormap() || cameraLight->FixedLightLevel() >= 0);
 
 		drawerargs.DrawWall(Thread);
 	}

src/rendering/swrenderer/viewport/r_drawerargs.h

@@ -43,6 +43,9 @@ namespace swrenderer
 		ShadeConstants ColormapConstants() const;
 		fixed_t Light() const { return LIGHTSCALE(mLight, mShade); }
 
+		float FixedLight() const { return mLight; }
+		int Shade() const { return mShade; }
+
 	protected:
 		void SetLight(const ColormapLight &light);
 

src/rendering/swrenderer/viewport/r_walldrawer.cpp

@@ -35,7 +35,7 @@ namespace swrenderer
 		(thread->Drawers(dc_viewport)->*wallfunc)(*this);
 	}
 
-	void WallDrawerArgs::SetStyle(bool masked, bool additive, fixed_t alpha, FDynamicColormap *basecolormap, bool dynlights)
+	void WallDrawerArgs::SetStyle(bool masked, bool additive, fixed_t alpha, bool dynlights)
 	{
 		if (alpha < OPAQUE || additive)
 		{
@@ -72,21 +72,5 @@ namespace swrenderer
 		{
 			wallfunc = &SWPixelFormatDrawers::DrawWall;
 		}
-
-		CameraLight *cameraLight = CameraLight::Instance();
-		if (cameraLight->FixedLightLevel() >= 0)
-		{
-			SetBaseColormap((r_fullbrightignoresectorcolor) ? &FullNormalLight : basecolormap);
-			SetLight(0.0f, cameraLight->FixedLightLevelShade());
-		}
-		else if (cameraLight->FixedColormap() != nullptr)
-		{
-			SetBaseColormap(cameraLight->FixedColormap());
-			SetLight(0.0f, 0);
-		}
-		else
-		{
-			SetBaseColormap(basecolormap);
-		}
 	}
 }

src/rendering/swrenderer/viewport/r_walldrawer.h

@@ -15,7 +15,7 @@ namespace swrenderer
 	class WallDrawerArgs : public DrawerArgs
 	{
 	public:
-		void SetStyle(bool masked, bool additive, fixed_t alpha, FDynamicColormap *basecolormap, bool dynlights);
+		void SetStyle(bool masked, bool additive, fixed_t alpha, bool dynlights);
 		void SetDest(RenderViewport *viewport);
 		void DrawWall(RenderThread *thread);
 
@@ -35,7 +35,6 @@ namespace swrenderer
 
 		float lightpos;
 		float lightstep;
-		int mShade;
 
 		int texwidth;
 		int texheight;