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diff --git a/indra/llcharacter/lljointstate.h b/indra/llcharacter/lljointstate.h
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+++ b/indra/llcharacter/lljointstate.h
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+/** 
+ * @file lljointstate.h
+ * @brief Implementation of LLJointState class.
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLJOINTSTATE_H
+#define LL_LLJOINTSTATE_H
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "lljoint.h"
+
+//-----------------------------------------------------------------------------
+// class LLJointState
+//-----------------------------------------------------------------------------
+class LLJointState
+{
+public:
+	enum BlendPhase
+	{
+		INACTIVE,
+		EASE_IN,
+		ACTIVE,
+		EASE_OUT
+	};
+protected:
+	// associated joint
+	LLJoint	*mJoint;
+
+	// indicates which members are used
+	U32		mUsage;
+
+	// indicates weighted effect of this joint 
+	F32		mWeight;
+
+	// transformation members
+	LLVector3		mPosition;	// position relative to parent joint
+	LLQuaternion	mRotation;	// joint rotation relative to parent joint
+	LLVector3		mScale;		// scale relative to rotated frame
+	LLJoint::JointPriority	mPriority;  // how important this joint state is relative to others
+public:
+	// Constructor
+	LLJointState()
+	{
+		mUsage = 0;
+		mJoint = NULL;
+		mUsage = 0;
+		mWeight = 0.f;
+		mPriority = LLJoint::USE_MOTION_PRIORITY;
+	}
+
+	LLJointState(LLJoint* joint)
+	{
+		mUsage = 0;
+		mJoint = joint;
+		mUsage = 0;
+		mWeight = 0.f;
+		mPriority = LLJoint::USE_MOTION_PRIORITY;
+	}
+
+	// Destructor
+	virtual ~LLJointState()
+	{
+	}
+
+	// joint that this state is applied to
+	LLJoint *getJoint()				{ return mJoint; }
+	BOOL setJoint( LLJoint *joint )	{ mJoint = joint; return mJoint != NULL; }
+
+	// transform type (bitwise flags can be combined)
+	// Note that these are set automatically when various
+	// member setPos/setRot/setScale functions are called.
+	enum Usage
+	{
+		POS		= 1,
+		ROT		= 2,
+		SCALE	= 4,
+	};
+	U32 getUsage()			{ return mUsage; }
+	void setUsage( U32 usage )	{ mUsage = usage; }
+	F32 getWeight()			{ return mWeight; }
+	void setWeight( F32 weight )	{ mWeight = weight; }
+
+	// get/set position
+	const LLVector3& getPosition()				{ return mPosition; }
+	void setPosition( const LLVector3& pos )	{ llassert(mUsage & POS); mPosition = pos; }
+
+	// get/set rotation
+	const LLQuaternion& getRotation()			{ return mRotation; }
+	void setRotation( const LLQuaternion& rot )	{ llassert(mUsage & ROT); mRotation = rot; }
+
+	// get/set scale
+	const LLVector3& getScale()				{ return mScale; }
+	void setScale( const LLVector3& scale )	{ llassert(mUsage & SCALE); mScale = scale; }
+
+	// get/set priority
+	const LLJoint::JointPriority getPriority()		{ return mPriority; }
+	void setPriority( const LLJoint::JointPriority priority ) { mPriority = priority; }
+};
+
+#endif // LL_LLJOINTSTATE_H
+