Fix regression

Scroll attenuation seems to disable ambient fog. If scroll attenuation is enabled it's telling the h/w to draw the real3d spot light on fog for the scroll fog layer. This should fix a regression where the background disappears on sega rally.
trzy · Nov 9, 2023 · f9a0901 · f9a0901
1 parent a8976b5
commit f9a0901
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Src/Graphics/New3D/New3D.cpp b/Src/Graphics/New3D/New3D.cpp
@@ -236,6 +236,10 @@ void CNew3D::DrawAmbientFog()
 			continue;
 		}
 
+		if (n.viewport.scrollAtt > 0.0f) {
+			continue;		// scroll attenuation indicates scroll fog layer
+		}
+
 		if (n.viewport.fogParams[6] < fogAmbient) {
 			nodePtr = &n;
 			fogAmbient = n.viewport.fogParams[6];