- Partially fixed the 3d floors + fogboundary issue. There's still an issue when a sprite appears in front of a fog boundary, but because this is already a huge visual improvement I am going to go ahead and push this.

src/swrenderer/scene/r_translucent_pass.cpp

@@ -163,8 +163,12 @@ namespace swrenderer
 			if (ds->fake) continue;
 			if (ds->maskedtexturecol != nullptr || ds->bFogBoundary)
 			{
+				if (renew && ds->bRenewDrawn)
+					continue;
 				RenderDrawSegment renderer(Thread);
 				renderer.Render(ds, ds->x1, ds->x2);
+				if (renew && ds->bFogBoundary)
+					ds->bRenewDrawn = true;
 			}
 		}
 	}

src/swrenderer/segments/r_drawsegment.cpp

@@ -85,6 +85,7 @@ namespace swrenderer
 
 	void DrawSegmentList::Push(DrawSegment *segment)
 	{
+		segment->bRenewDrawn = false;
 		Segments.Push(segment);
 	}
 

src/swrenderer/segments/r_drawsegment.h

@@ -39,6 +39,7 @@ namespace swrenderer
 		uint8_t silhouette; // 0=none, 1=bottom, 2=top, 3=both
 		uint8_t bFogBoundary;
 		uint8_t bFakeBoundary; // for fake walls
+		bool bRenewDrawn;
 		int shade;
 		bool foggy;