- get rid of FAKE3D_REFRESHCLIP and fix holes in 3d floors with wrapped midtextures

src/swrenderer/line/r_line.cpp

@@ -1055,7 +1055,7 @@ namespace swrenderer
 		Clip3DFloors *clip3d = Thread->Clip3D.get();
 
 		// kg3D - fake planes clipping
-		if (clip3d->fake3D & FAKE3D_REFRESHCLIP)
+		if (clip3d->fake3D & FAKE3D_FAKEBACK)
 		{
 			auto ceilingclip = Thread->OpaquePass->ceilingclip;
 			auto floorclip = Thread->OpaquePass->floorclip;

src/swrenderer/line/r_renderdrawsegment.cpp

@@ -123,8 +123,6 @@ namespace swrenderer
 			}
 		}
 
-		bool wrap = (curline->linedef->flags & ML_WRAP_MIDTEX) || (curline->sidedef->Flags & WALLF_WRAP_MIDTEX);
-
 		// [RH] Draw fog partition
 		bool renderwall = true;
 		bool notrelevant = false;
@@ -145,7 +143,7 @@ namespace swrenderer
 		}
 
 		if (renderwall)
-			notrelevant = RenderWall(ds, x1, x2, walldrawerargs, columndrawerargs, visible, basecolormap, wallshade, wrap);
+			notrelevant = RenderWall(ds, x1, x2, walldrawerargs, columndrawerargs, visible, basecolormap, wallshade);
 
 		if (ds->Has3DFloorFrontSectorWalls() || ds->Has3DFloorBackSectorWalls())
 		{
@@ -153,22 +151,12 @@ namespace swrenderer
 		}
 		if (!notrelevant)
 		{
-			if (clip3d->fake3D & FAKE3D_REFRESHCLIP)
-			{
-				if (!wrap)
-				{
-					assert(ds->bkup != nullptr);
-					memcpy(ds->sprtopclip, ds->bkup, (ds->x2 - ds->x1) * 2);
-				}
-			}
-			else
-			{
+			ds->sprclipped = true;
 			fillshort(ds->sprtopclip - ds->x1 + x1, x2 - x1, viewheight);
 		}
 	}
-	}
 
-	bool RenderDrawSegment::RenderWall(DrawSegment *ds, int x1, int x2, WallDrawerArgs &walldrawerargs, SpriteDrawerArgs &columndrawerargs, bool visible, FDynamicColormap *basecolormap, int wallshade, bool wrap)
+	bool RenderDrawSegment::RenderWall(DrawSegment *ds, int x1, int x2, WallDrawerArgs &walldrawerargs, SpriteDrawerArgs &columndrawerargs, bool visible, FDynamicColormap *basecolormap, int wallshade)
 	{
 		auto viewport = Thread->Viewport.get();
 		Clip3DFloors *clip3d = Thread->Clip3D.get();
@@ -220,6 +208,7 @@ namespace swrenderer
 
 		double rowoffset = curline->sidedef->GetTextureYOffset(side_t::mid);
 
+		bool wrap = (curline->linedef->flags & ML_WRAP_MIDTEX) || (curline->sidedef->Flags & WALLF_WRAP_MIDTEX);
 		if (!wrap)
 		{ // Texture does not wrap vertically.
 			double textop;

src/swrenderer/line/r_renderdrawsegment.h

@@ -37,7 +37,7 @@ namespace swrenderer
 		RenderThread *Thread = nullptr;
 
 	private:
-		bool RenderWall(DrawSegment *ds, int x1, int x2, WallDrawerArgs &walldrawerargs, SpriteDrawerArgs &columndrawerargs, bool visible, FDynamicColormap *basecolormap, int wallshade, bool wrap);
+		bool RenderWall(DrawSegment *ds, int x1, int x2, WallDrawerArgs &walldrawerargs, SpriteDrawerArgs &columndrawerargs, bool visible, FDynamicColormap *basecolormap, int wallshade);
 		void ClipMidtex(int x1, int x2);
 		void RenderFakeWall(DrawSegment *ds, int x1, int x2, F3DFloor *rover, int wallshade, FDynamicColormap *basecolormap);
 		void RenderFakeWallRange(DrawSegment *ds, int x1, int x2, int wallshade);

src/swrenderer/scene/r_3dfloors.h

@@ -49,7 +49,6 @@ namespace swrenderer
 		// sorting stage:
 		FAKE3D_CLIPBOTTOM   = 1,  // clip bottom
 		FAKE3D_CLIPTOP      = 2,  // clip top
-		FAKE3D_REFRESHCLIP  = 4,  // refresh clip info
 		FAKE3D_DOWN2UP      = 8,  // rendering from down to up (floors)
 	};
 

src/swrenderer/scene/r_translucent_pass.cpp

@@ -149,11 +149,6 @@ namespace swrenderer
 
 		// render any remaining masked mid textures
 
-		if (renew)
-		{
-			Thread->Clip3D->fake3D |= FAKE3D_REFRESHCLIP;
-		}
-
 		for (unsigned int index = 0; index != drawseglist->SegmentsCount(); index++)
 		{
 			DrawSegment *ds = drawseglist->Segment(index);
@@ -161,12 +156,18 @@ namespace swrenderer
 			// [ZZ] the same as above
 			if (ds->CurrentPortalUniq != renderportal->CurrentPortalUniq)
 				continue;
-			if (ds->maskedtexturecol != nullptr || ds->bFogBoundary)
+			if (ds->maskedtexturecol || ds->bFogBoundary)
 			{
 				RenderDrawSegment renderer(Thread);
 				renderer.Render(ds, ds->x1, ds->x2);
 				if (renew && ds->bFogBoundary) // don't draw fogboundary again
 					ds->bFogBoundary = false;
+
+				if (renew && ds->sprclipped)
+				{
+					memcpy(ds->sprtopclip, ds->bkup, (ds->x2 - ds->x1) * sizeof(short));
+					ds->sprclipped = false;
+				}
 			}
 		}
 	}

src/swrenderer/segments/r_drawsegment.h

@@ -47,6 +47,7 @@ namespace swrenderer
 		fixed_t *maskedtexturecol = nullptr;
 		float *swall = nullptr;
 		short *bkup = nullptr; // sprtopclip backup, for mid and fake textures
+		bool sprclipped = false; // True if draw segment was used for clipping sprites
 		
 		FWallTmapVals tmapvals;