1 files changed, 58 insertions, 19 deletions

diff --git a/indra/newview/llcontrolavatar.cpp b/indra/newview/llcontrolavatar.cpp
index 5a6b66df52..fab249f988 100644
--- a/indra/newview/llcontrolavatar.cpp
+++ b/indra/newview/llcontrolavatar.cpp
@@ -78,6 +78,24 @@ void LLControlAvatar::initInstance()
     mInitFlags |= 1<<4;
 }
 
+const LLVOAvatar *LLControlAvatar::getAttachedAvatar() const
+{
+	if (mRootVolp && mRootVolp->isAttachment())
+	{
+		return mRootVolp->getAvatarAncestor();
+	}
+	return NULL;
+}
+
+LLVOAvatar *LLControlAvatar::getAttachedAvatar()
+{
+	if (mRootVolp && mRootVolp->isAttachment())
+	{
+		return mRootVolp->getAvatarAncestor();
+	}
+	return NULL;
+}
+
 void LLControlAvatar::getNewConstraintFixups(LLVector3& new_pos_fixup, F32& new_scale_fixup) const
 {
 
@@ -165,7 +183,7 @@ void LLControlAvatar::matchVolumeTransform()
 
         if (mRootVolp->isAttachment())
         {
-            LLVOAvatar *attached_av = mRootVolp->getAvatarAncestor();
+            LLVOAvatar *attached_av = getAttachedAvatar();
             if (attached_av)
             {
                 LLViewerJointAttachment *attach = attached_av->getTargetAttachmentPoint(mRootVolp);
@@ -360,7 +378,34 @@ void LLControlAvatar::idleUpdate(LLAgent &agent, const F64 &time)
     }
 }
 
-BOOL LLControlAvatar::updateCharacter(LLAgent &agent)
+bool LLControlAvatar::computeNeedsUpdate()
+{
+	computeUpdatePeriod();
+
+	// Animesh attachments are a special case. Should have the same update cadence as their attached parent avatar.
+	LLVOAvatar *attached_av = getAttachedAvatar();
+	if (attached_av)
+	{
+		// Have to run computeNeedsUpdate() for attached av in
+		// case it hasn't run updateCharacter() already this
+		// frame.  Note this means that the attached av will
+		// run computeNeedsUpdate() multiple times per frame
+		// if it has animesh attachments. Results will be
+		// consistent except for the corner case of exceeding
+		// MAX_IMPOSTOR_INTERVAL in one call but not another,
+		// which should be rare.
+		attached_av->computeNeedsUpdate();
+		mNeedsImpostorUpdate = attached_av->mNeedsImpostorUpdate;
+		if (mNeedsImpostorUpdate)
+		{
+			mLastImpostorUpdateReason = 12;
+		}
+		return mNeedsImpostorUpdate;
+	}
+	return LLVOAvatar::computeNeedsUpdate();
+}
+
+bool LLControlAvatar::updateCharacter(LLAgent &agent)
 {
     return LLVOAvatar::updateCharacter(agent);
 }
@@ -634,29 +679,23 @@ std::string LLControlAvatar::getFullname() const
 // virtual
 bool LLControlAvatar::shouldRenderRigged() const
 {
-    if (mRootVolp && mRootVolp->isAttachment())
-    {
-        LLVOAvatar *attached_av = mRootVolp->getAvatarAncestor();
-        if (attached_av)
-        {
-            return attached_av->shouldRenderRigged();
-        }
-    }
+	const LLVOAvatar *attached_av = getAttachedAvatar();
+	if (attached_av)
+	{
+		return attached_av->shouldRenderRigged();
+	}
     return true;
 }
 
 // virtual
 BOOL LLControlAvatar::isImpostor()
 {
-    if (mRootVolp && mRootVolp->isAttachment())
-    {
-		// Attached animated objects should match state of their attached av.
-        LLVOAvatar *attached_av = mRootVolp->getAvatarAncestor();
-		if (attached_av)
-		{
-			return attached_av->isImpostor();
-		}
-    }
+	// Attached animated objects should match state of their attached av.
+	LLVOAvatar *attached_av = getAttachedAvatar();
+	if (attached_av)
+	{
+		return attached_av->isImpostor();
+	}
 	return LLVOAvatar::isImpostor();
 }