From 05bd94268d99a34b4f4b1556e3088cbf134034f9 Mon Sep 17 00:00:00 2001
From: "Brad Payne (Vir Linden)" <vir@lindenlab.com>
Date: Thu, 10 Mar 2016 10:12:25 -0500
Subject: SL-315 - wip on joint reset

---
 indra/llappearance/llavatarappearance.cpp | 29 +++++++++++++++++------------
 indra/llcharacter/llvisualparam.h         |  1 +
 indra/newview/llvoavatar.cpp              | 21 +++++++++++++++++++++
 3 files changed, 39 insertions(+), 12 deletions(-)

diff --git a/indra/llappearance/llavatarappearance.cpp b/indra/llappearance/llavatarappearance.cpp
index 3bf8ae6036..9b9657b4c8 100755
--- a/indra/llappearance/llavatarappearance.cpp
+++ b/indra/llappearance/llavatarappearance.cpp
@@ -643,9 +643,11 @@ BOOL LLAvatarAppearance::setupBone(const LLAvatarBoneInfo* info, LLJoint* parent
 //-----------------------------------------------------------------------------
 BOOL LLAvatarAppearance::allocateCharacterJoints( U32 num )
 {
-	clearSkeleton();
-
-    mSkeleton = avatar_joint_list_t(num,NULL);
+    if (mSkeleton.size() != num)
+    {
+        clearSkeleton();
+        mSkeleton = avatar_joint_list_t(num,NULL);
+    }
 
 	return TRUE;
 }
@@ -1510,16 +1512,19 @@ LLTexLayerSet* LLAvatarAppearance::getAvatarLayerSet(EBakedTextureIndex baked_in
 //-----------------------------------------------------------------------------
 BOOL LLAvatarAppearance::allocateCollisionVolumes( U32 num )
 {
-	delete_and_clear_array(mCollisionVolumes);
-	mNumCollisionVolumes = 0;
-
-	mCollisionVolumes = new LLAvatarJointCollisionVolume[num];
-	if (!mCollisionVolumes)
-	{
-		return FALSE;
-	}
+    if (mNumCollisionVolumes !=num)
+    {
+        delete_and_clear_array(mCollisionVolumes);
+        mNumCollisionVolumes = 0;
 
-	mNumCollisionVolumes = num;
+        mCollisionVolumes = new LLAvatarJointCollisionVolume[num];
+        if (!mCollisionVolumes)
+        {
+            return FALSE;
+        }
+        
+        mNumCollisionVolumes = num;
+    }
 	return TRUE;
 }
 
diff --git a/indra/llcharacter/llvisualparam.h b/indra/llcharacter/llvisualparam.h
index c6b97d7e8b..0ad063fd1e 100755
--- a/indra/llcharacter/llvisualparam.h
+++ b/indra/llcharacter/llvisualparam.h
@@ -150,6 +150,7 @@ public:
 	F32						getWeight() const		{ return mIsAnimating ? mTargetWeight : mCurWeight; }
 	F32						getCurrentWeight() const 	{ return mCurWeight; }
 	F32						getLastWeight() const	{ return mLastWeight; }
+	void					setLastWeight(F32 val) { mLastWeight = val; }
 	BOOL					isAnimating() const	{ return mIsAnimating; }
 	BOOL					isTweakable() const { return (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE)  || (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE_NO_TRANSMIT); }
 
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 4d6f0f78b2..9bee4380eb 100755
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -1807,6 +1807,27 @@ void LLVOAvatar::buildCharacter()
 void LLVOAvatar::resetSkeleton()
 {
     LL_DEBUGS("Avatar") << avString() << LL_ENDL;
+
+    // Reset params
+	for (LLVisualParam *param = getFirstVisualParam(); 
+		param;
+		param = getNextVisualParam())
+	{
+		if (param->isAnimating())
+		{
+			continue;
+		}
+        param->setLastWeight(param->getDefaultWeight());
+	}
+
+    // Reset all bones and collision volumes to their initial skeleton state.
+	if( !buildSkeleton(sAvatarSkeletonInfo) )
+    {
+        LL_ERRS() << "Error resetting skeleton" << LL_ENDL;
+	}
+
+    // Apply params
+    updateVisualParams();
 }
 
 //-----------------------------------------------------------------------------
-- 
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