Partial fix for DEV-42153.

This code seems to work on some objects and not on others.  I suspect I'm not doing something quite right in LLVOVolume::getApproximateFaceNormal().

1 files changed, 8 insertions, 2 deletions

diff --git a/indra/newview/llviewermediafocus.cpp b/indra/newview/llviewermediafocus.cpp
index b2a0fa4b1c..70a7d835a3 100644
--- a/indra/newview/llviewermediafocus.cpp
+++ b/indra/newview/llviewermediafocus.cpp
@@ -499,8 +499,14 @@ void LLViewerMediaFocus::focusZoomOnMedia(LLUUID media_id)
 			S32 face = obj->getFaceIndexWithMediaImpl(impl, -1);
 			
 			// We don't have a proper pick normal here, and finding a face's real normal is... complicated.
-			// For now, use +z to look at the top of the object.
-			LLVector3 normal(0.0f, 0.0f, 1.0f);
+			LLVector3 normal = obj->getApproximateFaceNormal(face);
+			if(normal.isNull())
+			{
+				// If that didn't work, use the inverse of the camera "look at" axis, which should keep the camera pointed in the same direction.
+//				llinfos << "approximate face normal invalid, using camera direction." << llendl;
+				normal = LLViewerCamera::getInstance()->getAtAxis();
+				normal *= (F32)-1.0f;
+			}
 			
 			// Attempt to focus/zoom on that face.
 			setFocusFace(obj, face, impl, normal);