Convert r_visiblesprite to classes

src/swrenderer/r_main.cpp

@@ -92,7 +92,6 @@ namespace swrenderer
 // EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
 
 void R_SpanInitData ();
-void R_DeinitSprites();
 
 // PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
 
@@ -385,7 +384,7 @@ void R_InitRenderer()
 
 static void R_ShutdownRenderer()
 {
-	R_DeinitSprites();
+	RenderTranslucent::Deinit();
 	R_DeinitPlanes();
 	Clip3DFloors::Instance()->Cleanup();
 	R_DeinitOpenings();
@@ -528,7 +527,7 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
 	R_ClearClipSegs (0, viewwidth);
 	R_ClearDrawSegs ();
 	R_ClearPlanes (true);
-	R_ClearSprites ();
+	RenderTranslucent::Clear();
 
 	// opening / clipping determination
 	RenderBSP::Instance()->ClearClip();
@@ -577,7 +576,7 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
 		NetUpdate ();
 		
 		MaskedCycles.Clock();
-		R_DrawMasked ();
+		RenderTranslucent::Render();
 		MaskedCycles.Unclock();
 
 		NetUpdate ();

src/swrenderer/scene/r_portal.cpp

@@ -96,7 +96,7 @@ namespace swrenderer
 		int savedextralight = extralight;
 		DVector3 savedpos = ViewPos;
 		DAngle savedangle = ViewAngle;
-		ptrdiff_t savedvissprite_p = vissprite_p - vissprites;
+		ptrdiff_t savedvissprite_p = VisibleSpriteList::vissprite_p - VisibleSpriteList::vissprites;
 		ptrdiff_t savedds_p = ds_p - drawsegs;
 		size_t savedinteresting = FirstInterestingDrawseg;
 		double savedvisibility = R_GetVisibility();
@@ -212,14 +212,14 @@ namespace swrenderer
 			memcpy(openings + draw_segment->sprbottomclip, floorclip + pl->left, (pl->right - pl->left) * sizeof(short));
 			memcpy(openings + draw_segment->sprtopclip, ceilingclip + pl->left, (pl->right - pl->left) * sizeof(short));
 
-			firstvissprite = vissprite_p;
+			VisibleSpriteList::firstvissprite = VisibleSpriteList::vissprite_p;
 			firstdrawseg = draw_segment;
 			FirstInterestingDrawseg = InterestingDrawsegs.Size();
 
 			interestingStack.Push(FirstInterestingDrawseg);
 			ptrdiff_t diffnum = firstdrawseg - drawsegs;
 			drawsegStack.Push(diffnum);
-			diffnum = firstvissprite - vissprites;
+			diffnum = VisibleSpriteList::firstvissprite - VisibleSpriteList::vissprites;
 			visspriteStack.Push(diffnum);
 			viewposStack.Push(ViewPos);
 			visplaneStack.Push(pl);
@@ -242,15 +242,15 @@ namespace swrenderer
 			drawsegStack.Pop(pd);
 			firstdrawseg = drawsegs + pd;
 			visspriteStack.Pop(pd);
-			firstvissprite = vissprites + pd;
+			VisibleSpriteList::firstvissprite = VisibleSpriteList::vissprites + pd;
 
 			// Masked textures and planes need the view coordinates restored for proper positioning.
 			viewposStack.Pop(ViewPos);
 
-			R_DrawMasked();
+			RenderTranslucent::Render();
 
 			ds_p = firstdrawseg;
-			vissprite_p = firstvissprite;
+			VisibleSpriteList::vissprite_p = VisibleSpriteList::firstvissprite;
 
 			visplaneStack.Pop(pl);
 			if (pl->Alpha > 0 && pl->picnum != skyflatnum)
@@ -260,8 +260,8 @@ namespace swrenderer
 			*freehead = pl;
 			freehead = &pl->next;
 		}
-		firstvissprite = vissprites;
-		vissprite_p = vissprites + savedvissprite_p;
+		VisibleSpriteList::firstvissprite = VisibleSpriteList::vissprites;
+		VisibleSpriteList::vissprite_p = VisibleSpriteList::vissprites + savedvissprite_p;
 		firstdrawseg = drawsegs;
 		ds_p = drawsegs + savedds_p;
 		InterestingDrawsegs.Resize((unsigned int)FirstInterestingDrawseg);
@@ -469,7 +469,7 @@ namespace swrenderer
 		NetUpdate();
 
 		MaskedCycles.Clock(); // [ZZ] count sprites in portals/mirrors along with normal ones.
-		R_DrawMasked();	  //      this is required since with portals there often will be cases when more than 80% of the view is inside a portal.
+		RenderTranslucent::Render();	  //      this is required since with portals there often will be cases when more than 80% of the view is inside a portal.
 		MaskedCycles.Unclock();
 
 		NetUpdate();

src/swrenderer/things/r_particle.cpp

@@ -177,7 +177,7 @@ namespace swrenderer
 			return;
 
 		// store information in a vissprite
-		vis = R_NewVisSprite();
+		vis = VisibleSpriteList::Add();
 		vis->CurrentPortalUniq = renderportal->CurrentPortalUniq;
 		vis->heightsec = heightsec;
 		vis->xscale = FLOAT2FIXED(xscale);
@@ -253,7 +253,7 @@ namespace swrenderer
 		{
 			for (int x = x1; x < (x1 + countbase); x++, fracposx += fracstepx)
 			{
-				if (R_ClipSpriteColumnWithPortals(x, vis))
+				if (RenderTranslucent::ClipSpriteColumnWithPortals(x, vis))
 					continue;
 				uint32_t *dest = ylookup[yl] + x + (uint32_t*)dc_destorg;
 				DrawerCommandQueue::QueueCommand<DrawParticleColumnRGBACommand>(dest, yl, spacing, ycount, fg, alpha, fracposx);
@@ -263,7 +263,7 @@ namespace swrenderer
 		{
 			for (int x = x1; x < (x1 + countbase); x++, fracposx += fracstepx)
 			{
-				if (R_ClipSpriteColumnWithPortals(x, vis))
+				if (RenderTranslucent::ClipSpriteColumnWithPortals(x, vis))
 					continue;
 				uint8_t *dest = ylookup[yl] + x + dc_destorg;
 				DrawerCommandQueue::QueueCommand<DrawParticleColumnPalCommand>(dest, yl, spacing, ycount, fg, alpha, fracposx);

src/swrenderer/things/r_sprite.cpp

@@ -153,7 +153,7 @@ namespace swrenderer
 		double yscale = spriteScale.Y / tex->Scale.Y;
 
 		// store information in a vissprite
-		vissprite_t *vis = R_NewVisSprite();
+		vissprite_t *vis = VisibleSpriteList::Add();
 
 		vis->CurrentPortalUniq = renderportal->CurrentPortalUniq;
 		vis->xscale = FLOAT2FIXED(xscale);
@@ -330,7 +330,7 @@ namespace swrenderer
 			{
 				while (x < x2)
 				{
-					if (ispsprite || !R_ClipSpriteColumnWithPortals(x, vis))
+					if (ispsprite || !RenderTranslucent::ClipSpriteColumnWithPortals(x, vis))
 						R_DrawMaskedColumn(x, iscale, tex, frac, spryscale, sprtopscreen, sprflipvert, mfloorclip, mceilingclip, false);
 					x++;
 					frac += xiscale;

src/swrenderer/things/r_visiblesprite.cpp

@@ -43,24 +43,7 @@ CVAR(Bool, r_splitsprites, true, CVAR_ARCHIVE)
 
 namespace swrenderer
 {
-	int MaxVisSprites;
-	vissprite_t **vissprites;
-	vissprite_t **firstvissprite;
-	vissprite_t **vissprite_p;
-	vissprite_t **lastvissprite;
-
-	bool DrewAVoxel;
-
-	namespace
-	{
-		vissprite_t **spritesorter;
-		int spritesortersize = 0;
-		int vsprcount;
-
-		TArray<drawseg_t *> portaldrawsegs;
-	}
-
-	void R_DeinitVisSprites()
+	void VisibleSpriteList::Deinit()
 	{
 		// Free vissprites
 		for (int i = 0; i < MaxVisSprites; ++i)
@@ -73,12 +56,12 @@ namespace swrenderer
 		MaxVisSprites = 0;
 	}
 
-	void R_ClearVisSprites()
+	void VisibleSpriteList::Clear()
 	{
 		vissprite_p = firstvissprite;
 	}
 
-	vissprite_t *R_NewVisSprite()
+	vissprite_t *VisibleSpriteList::Add()
 	{
 		if (vissprite_p == lastvissprite)
 		{
@@ -103,27 +86,97 @@ namespace swrenderer
 		return *(vissprite_p - 1);
 	}
 
-	void R_DeinitSprites()
-	{
-		R_DeinitVisSprites();
-		RenderVoxel::Deinit();
+	int VisibleSpriteList::MaxVisSprites;
+	vissprite_t **VisibleSpriteList::vissprites;
+	vissprite_t **VisibleSpriteList::firstvissprite;
+	vissprite_t **VisibleSpriteList::vissprite_p;
+	vissprite_t **VisibleSpriteList::lastvissprite;
 
-		// Free vissprites sorter
-		if (spritesorter != nullptr)
+	/////////////////////////////////////////////////////////////////////////
+
+	void SortedVisibleSpriteList::Deinit()
 	{
 		delete[] spritesorter;
 		spritesortersize = 0;
 		spritesorter = nullptr;
 	}
+
+	// This is the standard version, which does a simple test based on depth.
+	bool SortedVisibleSpriteList::sv_compare(vissprite_t *a, vissprite_t *b)
+	{
+		return a->idepth > b->idepth;
 	}
 
-	void R_ClearSprites()
+	// This is an alternate version, for when one or more voxel is in view.
+	// It does a 2D distance test based on whichever one is furthest from
+	// the viewpoint.
+	bool SortedVisibleSpriteList::sv_compare2d(vissprite_t *a, vissprite_t *b)
 	{
-		R_ClearVisSprites();
+		return DVector2(a->deltax, a->deltay).LengthSquared() < DVector2(b->deltax, b->deltay).LengthSquared();
+	}
+
+	void SortedVisibleSpriteList::Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first)
+	{
+		int i;
+		vissprite_t **spr;
+
+		vsprcount = int(VisibleSpriteList::vissprite_p - &VisibleSpriteList::vissprites[first]);
+
+		if (vsprcount == 0)
+			return;
+
+		if (spritesortersize < VisibleSpriteList::MaxVisSprites)
+		{
+			if (spritesorter != nullptr)
+				delete[] spritesorter;
+			spritesorter = new vissprite_t *[VisibleSpriteList::MaxVisSprites];
+			spritesortersize = VisibleSpriteList::MaxVisSprites;
+		}
+
+		if (!(i_compatflags & COMPATF_SPRITESORT))
+		{
+			for (i = 0, spr = VisibleSpriteList::firstvissprite; i < vsprcount; i++, spr++)
+			{
+				spritesorter[i] = *spr;
+			}
+		}
+		else
+		{
+			// If the compatibility option is on sprites of equal distance need to
+			// be sorted in inverse order. This is most easily achieved by
+			// filling the sort array backwards before the sort.
+			for (i = 0, spr = VisibleSpriteList::firstvissprite + vsprcount - 1; i < vsprcount; i++, spr--)
+			{
+				spritesorter[i] = *spr;
+			}
+		}
+
+		std::stable_sort(&spritesorter[0], &spritesorter[vsprcount], compare);
+	}
+
+	vissprite_t **SortedVisibleSpriteList::spritesorter;
+	int SortedVisibleSpriteList::spritesortersize = 0;
+	int SortedVisibleSpriteList::vsprcount;
+
+	/////////////////////////////////////////////////////////////////////////
+
+	bool RenderTranslucent::DrewAVoxel;
+	TArray<drawseg_t *> RenderTranslucent::portaldrawsegs;
+
+	void RenderTranslucent::Deinit()
+	{
+		VisibleSpriteList::Deinit();
+		SortedVisibleSpriteList::Deinit();
+		RenderVoxel::Deinit();
+	}
+
+	void RenderTranslucent::Clear()
+	{
+		VisibleSpriteList::Clear();
 		DrewAVoxel = false;
 	}
 
-	void R_CollectPortals()
+	void RenderTranslucent::CollectPortals()
 	{
 		// This function collects all drawsegs that may be of interest to R_ClipSpriteColumnWithPortals 
 		// Having that function over the entire list of drawsegs can break down performance quite drastically.
@@ -153,7 +206,7 @@ namespace swrenderer
 		}
 	}
 
-	bool R_ClipSpriteColumnWithPortals(int x, vissprite_t* spr)
+	bool RenderTranslucent::ClipSpriteColumnWithPortals(int x, vissprite_t* spr)
 	{
 		RenderPortal *renderportal = RenderPortal::Instance();
 
@@ -181,60 +234,7 @@ namespace swrenderer
 		return false;
 	}
 
-	// This is the standard version, which does a simple test based on depth.
-	bool sv_compare(vissprite_t *a, vissprite_t *b)
-	{
-		return a->idepth > b->idepth;
-	}
-
-	// This is an alternate version, for when one or more voxel is in view.
-	// It does a 2D distance test based on whichever one is furthest from
-	// the viewpoint.
-	bool sv_compare2d(vissprite_t *a, vissprite_t *b)
-	{
-		return DVector2(a->deltax, a->deltay).LengthSquared() < DVector2(b->deltax, b->deltay).LengthSquared();
-	}
-
-	void R_SortVisSprites(bool(*compare)(vissprite_t *, vissprite_t *), size_t first)
-	{
-		int i;
-		vissprite_t **spr;
-
-		vsprcount = int(vissprite_p - &vissprites[first]);
-
-		if (vsprcount == 0)
-			return;
-
-		if (spritesortersize < MaxVisSprites)
-		{
-			if (spritesorter != nullptr)
-				delete[] spritesorter;
-			spritesorter = new vissprite_t *[MaxVisSprites];
-			spritesortersize = MaxVisSprites;
-		}
-
-		if (!(i_compatflags & COMPATF_SPRITESORT))
-		{
-			for (i = 0, spr = firstvissprite; i < vsprcount; i++, spr++)
-			{
-				spritesorter[i] = *spr;
-			}
-		}
-		else
-		{
-			// If the compatibility option is on sprites of equal distance need to
-			// be sorted in inverse order. This is most easily achieved by
-			// filling the sort array backwards before the sort.
-			for (i = 0, spr = firstvissprite + vsprcount - 1; i < vsprcount; i++, spr--)
-			{
-				spritesorter[i] = *spr;
-			}
-		}
-
-		std::stable_sort(&spritesorter[0], &spritesorter[vsprcount], compare);
-	}
-
-	void R_DrawSprite(vissprite_t *spr)
+	void RenderTranslucent::DrawSprite(vissprite_t *spr)
 	{
 		static short clipbot[MAXWIDTH];
 		static short cliptop[MAXWIDTH];
@@ -639,15 +639,15 @@ namespace swrenderer
 		spr->Style.ColormapNum = colormapnum;
 	}
 
-	void R_DrawMaskedSingle(bool renew)
+	void RenderTranslucent::DrawMaskedSingle(bool renew)
 	{
 		RenderPortal *renderportal = RenderPortal::Instance();
 
-		for (int i = vsprcount; i > 0; i--)
+		for (int i = SortedVisibleSpriteList::vsprcount; i > 0; i--)
 		{
-			if (spritesorter[i - 1]->CurrentPortalUniq != renderportal->CurrentPortalUniq)
+			if (SortedVisibleSpriteList::spritesorter[i - 1]->CurrentPortalUniq != renderportal->CurrentPortalUniq)
 				continue; // probably another time
-			R_DrawSprite(spritesorter[i - 1]);
+			DrawSprite(SortedVisibleSpriteList::spritesorter[i - 1]);
 		}
 
 		// render any remaining masked mid textures
@@ -676,15 +676,15 @@ namespace swrenderer
 		}
 	}
 
-	void R_DrawMasked()
+	void RenderTranslucent::Render()
 	{
-		R_CollectPortals();
-		R_SortVisSprites(DrewAVoxel ? sv_compare2d : sv_compare, firstvissprite - vissprites);
+		CollectPortals();
+		SortedVisibleSpriteList::Sort(DrewAVoxel ? SortedVisibleSpriteList::sv_compare2d : SortedVisibleSpriteList::sv_compare, VisibleSpriteList::firstvissprite - VisibleSpriteList::vissprites);
 
 		Clip3DFloors *clip3d = Clip3DFloors::Instance();
 		if (clip3d->height_top == nullptr)
 		{ // kg3D - no visible 3D floors, normal rendering
-			R_DrawMaskedSingle(false);
+			DrawMaskedSingle(false);
 		}
 		else
 		{ // kg3D - correct sorting
@@ -701,14 +701,14 @@ namespace swrenderer
 					clip3d->fake3D = FAKE3D_CLIPBOTTOM;
 				}
 				clip3d->sclipBottom = hl->height;
-				R_DrawMaskedSingle(true);
+				DrawMaskedSingle(true);
 				R_DrawHeightPlanes(hl->height);
 			}
 
 			// floors
 			clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPTOP;
 			clip3d->sclipTop = clip3d->height_top->height;
-			R_DrawMaskedSingle(true);
+			DrawMaskedSingle(true);
 			for (HeightLevel *hl = clip3d->height_top; hl != nullptr && hl->height < ViewPos.Z; hl = hl->next)
 			{
 				R_DrawHeightPlanes(hl->height);
@@ -722,7 +722,7 @@ namespace swrenderer
 					clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPBOTTOM;
 				}
 				clip3d->sclipBottom = hl->height;
-				R_DrawMaskedSingle(true);
+				DrawMaskedSingle(true);
 			}
 			clip3d->DeleteHeights();
 			clip3d->fake3D = 0;

src/swrenderer/things/r_visiblesprite.h

@@ -23,6 +23,8 @@ struct FVoxel;
 
 namespace swrenderer
 {
+	struct drawseg_t;
+
 	struct vissprite_t
 	{
 		struct posang
@@ -88,25 +90,55 @@ namespace swrenderer
 		vissprite_t() {}
 	};
 
-	extern int MaxVisSprites;
-	extern vissprite_t **vissprites, **firstvissprite;
-	extern vissprite_t **vissprite_p;
+	class VisibleSpriteList
+	{
+	public:
+		static int MaxVisSprites;
+		static vissprite_t **vissprites;
+		static vissprite_t **firstvissprite;
+		static vissprite_t **vissprite_p;
 
-	extern bool DrewAVoxel;
+		static void Deinit();
+		static void Clear();
+		static vissprite_t *Add();
 
-	void R_DeinitVisSprites();
-	void R_ClearVisSprites();
-	vissprite_t *R_NewVisSprite();
+	private:
+		static vissprite_t **lastvissprite;
+	};
 
-	void R_DeinitSprites();
-	void R_ClearSprites();
-	void R_CollectPortals();
-	bool R_ClipSpriteColumnWithPortals(int x, vissprite_t* spr);
-	void R_SortVisSprites(bool(*compare)(vissprite_t *, vissprite_t *), size_t first);
-	void R_DrawSprite(vissprite_t *spr);
-	void R_DrawMaskedSingle(bool renew);
-	void R_DrawMasked();
+	class SortedVisibleSpriteList
+	{
+	public:
+		static void Deinit();
 
-	bool sv_compare(vissprite_t *a, vissprite_t *b);
-	bool sv_compare2d(vissprite_t *a, vissprite_t *b);
+		static void Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first);
+
+		static bool sv_compare(vissprite_t *a, vissprite_t *b);
+		static bool sv_compare2d(vissprite_t *a, vissprite_t *b);
+
+		static vissprite_t **spritesorter;
+		static int vsprcount;
+
+	private:
+		static int spritesortersize;
+	};
+
+	class RenderTranslucent
+	{
+	public:
+		static void Deinit();
+		static void Clear();
+		static void Render();
+
+		static bool DrewAVoxel;
+
+		static bool ClipSpriteColumnWithPortals(int x, vissprite_t* spr);
+
+	private:
+		static void CollectPortals();
+		static void DrawSprite(vissprite_t *spr);
+		static void DrawMaskedSingle(bool renew);
+
+		static TArray<drawseg_t *> portaldrawsegs;
+	};
 }

src/swrenderer/things/r_voxel.cpp

@@ -101,7 +101,7 @@ namespace swrenderer
 			}
 		}
 
-		vissprite_t *vis = R_NewVisSprite();
+		vissprite_t *vis = VisibleSpriteList::Add();
 
 		vis->CurrentPortalUniq = renderportal->CurrentPortalUniq;
 		vis->xscale = FLOAT2FIXED(xscale);
@@ -152,7 +152,7 @@ namespace swrenderer
 		vis->voxel = voxel->Voxel;
 		vis->bIsVoxel = true;
 		vis->bWallSprite = false;
-		DrewAVoxel = true;
+		RenderTranslucent::DrewAVoxel = true;
 
 		// The software renderer cannot invert the source without inverting the overlay
 		// too. That means if the source is inverted, we need to do the reverse of what

src/swrenderer/things/r_wallsprite.cpp

@@ -102,7 +102,7 @@ namespace swrenderer
 		gzt = pos.Z + scale.Y * scaled_to;
 		gzb = pos.Z + scale.Y * scaled_bo;
 
-		vis = R_NewVisSprite();
+		vis = VisibleSpriteList::Add();
 		vis->CurrentPortalUniq = renderportal->CurrentPortalUniq;
 		vis->x1 = wallc.sx1 < renderportal->WindowLeft ? renderportal->WindowLeft : wallc.sx1;
 		vis->x2 = wallc.sx2 >= renderportal->WindowRight ? renderportal->WindowRight : wallc.sx2;
@@ -222,7 +222,7 @@ namespace swrenderer
 				{ // calculate lighting
 					R_SetColorMapLight(usecolormap, light, shade);
 				}
-				if (!R_ClipSpriteColumnWithPortals(x, spr))
+				if (!RenderTranslucent::ClipSpriteColumnWithPortals(x, spr))
 					DrawColumn(x, WallSpriteTile, maskedScaleY, sprflipvert, mfloorclip, mceilingclip);
 				light += lightstep;
 				x++;