port: fix sun glare

src/game/sky.c

@@ -2533,7 +2533,13 @@ f32 skyGetArtifactGroupIntensityFrac(struct artifact *artifacts)
 	s32 i;
 
 	for (i = 0; i < 8; i++) {
-		if (artifacts[i].type == ARTIFACTTYPE_CIRCLE && artifacts[i].actualdepth == 0xfffc) {
+		const u16 test =
+#ifdef PLATFORM_N64
+			artifacts[i].actualdepth;
+#else
+			artifacts[i].visiblelos;
+#endif
+		if (artifacts[i].type == ARTIFACTTYPE_CIRCLE && test == 0xfffc) {
 			sum += 0.125f;
 		}
 	}

src/include/game/zbuf.h

@@ -10,6 +10,6 @@ void zbufAllocate(void);
 void zbufSwap(void);
 Gfx *zbufConfigureRdp(Gfx *gdl);
 Gfx *zbufClear(Gfx *gdl);
-Gfx *zbufDrawArtifactsOffscreen(Gfx *gdl);
+Gfx *zbufSaveArtifactDepths(Gfx *gdl);
 
 #endif