Move r_scene into a class

src/swrenderer/line/r_line.cpp

@@ -638,7 +638,7 @@ namespace swrenderer
 		linedef = curline->linedef;
 
 		// mark the segment as visible for auto map
-		if (!r_dontmaplines) linedef->flags |= ML_MAPPED;
+		if (!RenderScene::Instance()->DontMapLines()) linedef->flags |= ML_MAPPED;
 
 		midtexture = toptexture = bottomtexture = 0;
 

src/swrenderer/r_swrenderer.cpp

@@ -93,7 +93,7 @@ void FSoftwareRenderer::Init()
 	gl_ParseDefs();
 
 	r_swtruecolor = screen->IsBgra();
-	R_InitRenderer();
+	RenderScene::Instance()->Init();
 }
 
 //==========================================================================
@@ -224,7 +224,7 @@ void FSoftwareRenderer::RenderView(player_t *player)
 	}
 
 	R_BeginDrawerCommands();
-	R_RenderActorView (player->mo);
+	RenderScene::Instance()->RenderActorView(player->mo);
 	// [RH] Let cameras draw onto textures that were visible this frame.
 	FCanvasTextureInfo::UpdateAll ();
 
@@ -268,7 +268,7 @@ void FSoftwareRenderer::WriteSavePic (player_t *player, FileWriter *file, int wi
 	if (r_polyrenderer)
 		PolyRenderer::Instance()->RenderViewToCanvas(player->mo, pic, 0, 0, width, height, true);
 	else
-		R_RenderViewToCanvas (player->mo, pic, 0, 0, width, height);
+		RenderScene::Instance()->RenderViewToCanvas (player->mo, pic, 0, 0, width, height);
 	screen->GetFlashedPalette (palette);
 	M_CreatePNG (file, pic->GetBuffer(), palette, SS_PAL, width, height, pic->GetPitch());
 	pic->Unlock ();
@@ -323,7 +323,7 @@ bool FSoftwareRenderer::RequireGLNodes()
 
 void FSoftwareRenderer::OnModeSet ()
 {
-	R_MultiresInit ();
+	RenderScene::Instance()->ScreenResized();
 
 	RenderTarget = screen;
 	screen->Lock (true);
@@ -413,7 +413,7 @@ void FSoftwareRenderer::RenderTextureView (FCanvasTexture *tex, AActor *viewpoin
 	if (r_polyrenderer)
 		PolyRenderer::Instance()->RenderViewToCanvas(viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
 	else
-		R_RenderViewToCanvas (viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
+		RenderScene::Instance()->RenderViewToCanvas(viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
 	R_SetFOV (savedfov);
 
 	if (Canvas->IsBgra())

src/swrenderer/scene/r_scene.cpp

@@ -51,9 +51,14 @@ EXTERN_CVAR(Bool, r_shadercolormaps)
 namespace swrenderer
 {
 	cycle_t WallCycles, PlaneCycles, MaskedCycles, WallScanCycles;
-	bool r_dontmaplines;
 	
-	void R_RenderActorView(AActor *actor, bool dontmaplines)
+	RenderScene *RenderScene::Instance()
+	{
+		static RenderScene instance;
+		return &instance;
+	}
+
+	void RenderScene::RenderActorView(AActor *actor, bool dontmaplines)
 	{
 		WallCycles.Reset();
 		PlaneCycles.Reset();
@@ -85,7 +90,7 @@ namespace swrenderer
 
 		RenderPortal::Instance()->SetMainPortal();
 
-		r_dontmaplines = dontmaplines;
+		this->dontmaplines = dontmaplines;
 
 		// [RH] Hack to make windows into underwater areas possible
 		RenderOpaquePass::Instance()->ResetFakingUnderwater();
@@ -138,7 +143,7 @@ namespace swrenderer
 		}
 	}
 
-	void R_RenderViewToCanvas(AActor *actor, DCanvas *canvas, int x, int y, int width, int height, bool dontmaplines)
+	void RenderScene::RenderViewToCanvas(AActor *actor, DCanvas *canvas, int x, int y, int width, int height, bool dontmaplines)
 	{
 		const bool savedviewactive = viewactive;
 		const bool savedoutputformat = r_swtruecolor;
@@ -160,7 +165,7 @@ namespace swrenderer
 		viewwindowy = y;
 		viewactive = true;
 
-		R_RenderActorView(actor, dontmaplines);
+		RenderActorView(actor, dontmaplines);
 
 		R_EndDrawerCommands();
 
@@ -180,14 +185,14 @@ namespace swrenderer
 		}
 	}
 
-	void R_MultiresInit()
+	void RenderScene::ScreenResized()
 	{
 		VisiblePlaneList::Instance()->Init();
 	}
 
-	void R_InitRenderer()
+	void RenderScene::Init()
 	{
-		atterm(R_ShutdownRenderer);
+		atterm([]() { RenderScene::Instance()->Deinit(); });
 		// viewwidth / viewheight are set by the defaults
 		fillshort(zeroarray, MAXWIDTH, 0);
 
@@ -195,7 +200,7 @@ namespace swrenderer
 		R_InitColumnDrawers();
 	}
 
-	void R_ShutdownRenderer()
+	void RenderScene::Deinit()
 	{
 		RenderTranslucentPass::Deinit();
 		VisiblePlaneList::Instance()->Deinit();

src/swrenderer/scene/r_scene.h

@@ -23,12 +23,21 @@ namespace swrenderer
 {
 	extern cycle_t WallCycles, PlaneCycles, MaskedCycles, WallScanCycles;
 	
-	extern bool r_dontmaplines;
+	class RenderScene
+	{
+	public:
+		static RenderScene *Instance();
 
-	void R_RenderActorView(AActor *actor, bool dontmaplines = false);
+		void Init();
-	void R_RenderViewToCanvas(AActor *actor, DCanvas *canvas, int x, int y, int width, int height, bool dontmaplines = false);
+		void ScreenResized();
+		void Deinit();	
 		
-	void R_InitRenderer();
+		void RenderActorView(AActor *actor, bool dontmaplines = false);
-	void R_MultiresInit();
+		void RenderViewToCanvas(AActor *actor, DCanvas *canvas, int x, int y, int width, int height, bool dontmaplines = false);
-	void R_ShutdownRenderer();
+	
+		bool DontMapLines() const { return dontmaplines; }
+
+	private:
+		bool dontmaplines = false;
+	};
 }

src/swrenderer/scene/r_viewport.h

@@ -37,5 +37,4 @@ namespace swrenderer
 	void R_InitTextureMapping();
 	void R_SetupBuffer();
 	void R_SetupFreelook();
-	void R_InitRenderer();
 }