125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/**
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* @file lljointstate.h
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* @brief Implementation of LLJointState class.
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLJOINTSTATE_H
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#define LL_LLJOINTSTATE_H
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//-----------------------------------------------------------------------------
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// Header Files
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//-----------------------------------------------------------------------------
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#include "lljoint.h"
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#include "llrefcount.h"
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//-----------------------------------------------------------------------------
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// class LLJointState
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//-----------------------------------------------------------------------------
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class LLJointState : public LLRefCount
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{
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public:
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enum BlendPhase
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{
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INACTIVE,
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EASE_IN,
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ACTIVE,
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EASE_OUT
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};
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protected:
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// associated joint
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LLJoint *mJoint;
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// indicates which members are used
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U32 mUsage;
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// indicates weighted effect of this joint
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F32 mWeight;
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// transformation members
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LLVector3 mPosition; // position relative to parent joint
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LLQuaternion mRotation; // joint rotation relative to parent joint
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LLVector3 mScale; // scale relative to rotated frame
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LLJoint::JointPriority mPriority; // how important this joint state is relative to others
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public:
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// Constructor
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LLJointState()
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: mUsage(0)
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, mJoint(NULL)
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, mWeight(0.f)
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, mPriority(LLJoint::USE_MOTION_PRIORITY)
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{}
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LLJointState(LLJoint* joint)
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: mUsage(0)
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, mJoint(joint)
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, mWeight(0.f)
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, mPriority(LLJoint::USE_MOTION_PRIORITY)
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{}
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// joint that this state is applied to
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LLJoint* getJoint() { return mJoint; }
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const LLJoint* getJoint() const { return mJoint; }
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BOOL setJoint( LLJoint *joint ) { mJoint = joint; return mJoint != NULL; }
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// transform type (bitwise flags can be combined)
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// Note that these are set automatically when various
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// member setPos/setRot/setScale functions are called.
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enum Usage
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{
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POS = 1,
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ROT = 2,
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SCALE = 4,
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};
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U32 getUsage() const { return mUsage; }
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void setUsage( U32 usage ) { mUsage = usage; }
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F32 getWeight() const { return mWeight; }
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void setWeight( F32 weight ) { mWeight = weight; }
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// get/set position
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const LLVector3& getPosition() const { return mPosition; }
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void setPosition( const LLVector3& pos ) { llassert(mUsage & POS); mPosition = pos; }
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// get/set rotation
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const LLQuaternion& getRotation() const { return mRotation; }
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void setRotation( const LLQuaternion& rot ) { llassert(mUsage & ROT); mRotation = rot; }
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// get/set scale
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const LLVector3& getScale() const { return mScale; }
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void setScale( const LLVector3& scale ) { llassert(mUsage & SCALE); mScale = scale; }
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// get/set priority
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LLJoint::JointPriority getPriority() const { return mPriority; }
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void setPriority( LLJoint::JointPriority priority ) { mPriority = priority; }
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protected:
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// Destructor
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virtual ~LLJointState()
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{
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}
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};
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#endif // LL_LLJOINTSTATE_H
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