merge

1 files changed, 7 insertions, 3 deletions

diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index d8b1887a90..24413caf6a 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -523,6 +523,7 @@ F32 LLDrawable::updateXform(BOOL undamped)
 		dist_squared = dist_vec_squared(new_pos, target_pos);
 
 		LLQuaternion new_rot = nlerp(lerp_amt, old_rot, target_rot);
+		// FIXME: This can be negative! It is be possible for some rots to 'cancel out' pos or size changes.
 		dist_squared += (1.f - dot(new_rot, target_rot)) * 10.f;
 
 		LLVector3 new_scale = lerp(old_scale, target_scale, lerp_amt);
@@ -548,9 +549,12 @@ F32 LLDrawable::updateXform(BOOL undamped)
 	}
 	else
 	{
-		dist_squared = dist_vec_squared(old_pos, target_pos);
-		dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f;
-		dist_squared += dist_vec_squared(old_scale, target_scale);
+		// The following fixes MAINT-1742 but breaks vehicles similar to MAINT-2275
+		// dist_squared = dist_vec_squared(old_pos, target_pos);
+
+		// The following fixes MAINT-2247 but causes MAINT-2275
+		//dist_squared += (1.f - dot(old_rot, target_rot)) * 10.f;
+		//dist_squared += dist_vec_squared(old_scale, target_scale);
 	}
 
 	LLVector3 vec = mCurrentScale-target_scale;