fix: compressing invalid direction vectors (#1980)

AMS21 · web-flow · commit 5410cafcaebe · 2025-11-07T15:36:39.000+03:00
diff --git a/src/xrCore/_compressed_normal.cpp b/src/xrCore/_compressed_normal.cpp
@@ -46,6 +46,8 @@ u16 pvCompress(const Fvector& vec)
 {
     if (fis_zero(vec.x) && fis_zero(vec.y) && fis_zero(vec.z))
         return 0;
+    if (!_valid(vec))
+        return 0;
 
     // save copy
     Fvector tmp = vec;

Original file line number	Diff line number	Diff line change
`@@ -46,6 +46,8 @@ u16 pvCompress(const Fvector& vec)`
`46`	`46`	`{`
`47`	`47`	`if (fis_zero(vec.x) && fis_zero(vec.y) && fis_zero(vec.z))`
`48`	`48`	`return 0;`
	`49`	`+ if (!_valid(vec))`
	`50`	`+ return 0;`
`49`	`51`
`50`	`52`	`// save copy`
`51`	`53`	`Fvector tmp = vec;`