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/**
* @file lljointstate.h
* @brief Implementation of LLJointState class.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLJOINTSTATE_H
#define LL_LLJOINTSTATE_H
//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "lljoint.h"
#include "llmemory.h"
//-----------------------------------------------------------------------------
// class LLJointState
//-----------------------------------------------------------------------------
class LLJointState : public LLRefCount
{
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;
}
// joint that this state is applied to
LLJoint* getJoint() { return mJoint; }
const LLJoint* getJoint() const { 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() const { return mUsage; }
void setUsage( U32 usage ) { mUsage = usage; }
F32 getWeight() const { return mWeight; }
void setWeight( F32 weight ) { mWeight = weight; }
// get/set position
const LLVector3& getPosition() const { return mPosition; }
void setPosition( const LLVector3& pos ) { llassert(mUsage & POS); mPosition = pos; }
// get/set rotation
const LLQuaternion& getRotation() const { return mRotation; }
void setRotation( const LLQuaternion& rot ) { llassert(mUsage & ROT); mRotation = rot; }
// get/set scale
const LLVector3& getScale() const { return mScale; }
void setScale( const LLVector3& scale ) { llassert(mUsage & SCALE); mScale = scale; }
// get/set priority
LLJoint::JointPriority getPriority() const { return mPriority; }
void setPriority( LLJoint::JointPriority priority ) { mPriority = priority; }
protected:
// Destructor
virtual ~LLJointState()
{
}
};
#endif // LL_LLJOINTSTATE_H
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