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/**
* @file llpose.h
* @brief Implementation of LLPose class.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLPOSE_H
#define LL_LLPOSE_H
//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "lljointstate.h"
#include "lljoint.h"
#include "llpointer.h"
#include <map>
#include <string>
//-----------------------------------------------------------------------------
// class LLPose
//-----------------------------------------------------------------------------
class LLPose
{
friend class LLPoseBlender;
protected:
typedef std::map<std::string, LLPointer<LLJointState> > joint_map;
typedef joint_map::iterator joint_map_iterator;
typedef joint_map::value_type joint_map_value_type;
joint_map mJointMap;
F32 mWeight;
joint_map_iterator mListIter;
public:
// Iterate through jointStates
LLJointState* getFirstJointState();
LLJointState* getNextJointState();
LLJointState* findJointState(LLJoint *joint);
LLJointState* findJointState(const std::string &name);
public:
// Constructor
LLPose() : mWeight(0.f) {}
// Destructor
~LLPose();
// add a joint state in this pose
BOOL addJointState(const LLPointer<LLJointState>& jointState);
// remove a joint state from this pose
BOOL removeJointState(const LLPointer<LLJointState>& jointState);
// removes all joint states from this pose
BOOL removeAllJointStates();
// set weight for all joint states in this pose
void setWeight(F32 weight);
// get weight for this pose
F32 getWeight() const;
// returns number of joint states stored in this pose
S32 getNumJointStates() const;
};
const S32 JSB_NUM_JOINT_STATES = 6;
class LLJointStateBlender
{
protected:
LLPointer<LLJointState> mJointStates[JSB_NUM_JOINT_STATES];
S32 mPriorities[JSB_NUM_JOINT_STATES];
BOOL mAdditiveBlends[JSB_NUM_JOINT_STATES];
public:
LLJointStateBlender();
~LLJointStateBlender();
void blendJointStates(BOOL apply_now = TRUE);
BOOL addJointState(const LLPointer<LLJointState>& joint_state, S32 priority, BOOL additive_blend);
void interpolate(F32 u);
void clear();
void resetCachedJoint();
public:
LLJoint mJointCache;
};
class LLMotion;
class LLPoseBlender
{
protected:
typedef std::list<LLJointStateBlender*> blender_list_t;
typedef std::map<LLJoint*,LLJointStateBlender*> blender_map_t;
blender_map_t mJointStateBlenderPool;
blender_list_t mActiveBlenders;
S32 mNextPoseSlot;
LLPose mBlendedPose;
public:
// Constructor
LLPoseBlender();
// Destructor
~LLPoseBlender();
// request motion joint states to be added to pose blender joint state records
BOOL addMotion(LLMotion* motion);
// blend all joint states and apply to skeleton
void blendAndApply();
// removes all joint state blenders from last time
void clearBlenders();
// blend all joint states and cache results
void blendAndCache(BOOL reset_cached_joints);
// interpolate all joints towards cached values
void interpolate(F32 u);
LLPose* getBlendedPose() { return &mBlendedPose; }
};
#endif // LL_LLPOSE_H
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