147 lines
4.3 KiB
C++
147 lines
4.3 KiB
C++
/**
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* @file llpose.h
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* @brief Implementation of LLPose class.
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLPOSE_H
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#define LL_LLPOSE_H
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//-----------------------------------------------------------------------------
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// Header Files
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//-----------------------------------------------------------------------------
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#include "lljointstate.h"
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#include "lljoint.h"
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#include "llmap.h"
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#include "llpointer.h"
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#include <map>
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#include <string>
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//-----------------------------------------------------------------------------
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// class LLPose
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//-----------------------------------------------------------------------------
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class LLPose
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{
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friend class LLPoseBlender;
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protected:
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typedef std::map<std::string, LLPointer<LLJointState> > joint_map;
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typedef joint_map::iterator joint_map_iterator;
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typedef joint_map::value_type joint_map_value_type;
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joint_map mJointMap;
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F32 mWeight;
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joint_map_iterator mListIter;
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public:
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// Iterate through jointStates
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LLJointState* getFirstJointState();
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LLJointState* getNextJointState();
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LLJointState* findJointState(LLJoint *joint);
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LLJointState* findJointState(const std::string &name);
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public:
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// Constructor
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LLPose() : mWeight(0.f) {}
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// Destructor
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~LLPose();
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// add a joint state in this pose
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BOOL addJointState(const LLPointer<LLJointState>& jointState);
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// remove a joint state from this pose
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BOOL removeJointState(const LLPointer<LLJointState>& jointState);
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// removes all joint states from this pose
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BOOL removeAllJointStates();
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// set weight for all joint states in this pose
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void setWeight(F32 weight);
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// get weight for this pose
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F32 getWeight() const;
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// returns number of joint states stored in this pose
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S32 getNumJointStates() const;
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};
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const S32 JSB_NUM_JOINT_STATES = 6;
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class LLJointStateBlender
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{
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protected:
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LLPointer<LLJointState> mJointStates[JSB_NUM_JOINT_STATES];
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S32 mPriorities[JSB_NUM_JOINT_STATES];
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BOOL mAdditiveBlends[JSB_NUM_JOINT_STATES];
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public:
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LLJointStateBlender();
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~LLJointStateBlender();
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void blendJointStates(BOOL apply_now = TRUE);
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BOOL addJointState(const LLPointer<LLJointState>& joint_state, S32 priority, BOOL additive_blend);
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void interpolate(F32 u);
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void clear();
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void resetCachedJoint();
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public:
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LLJoint mJointCache;
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};
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class LLMotion;
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class LLPoseBlender
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{
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protected:
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typedef std::list<LLJointStateBlender*> blender_list_t;
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typedef std::map<LLJoint*,LLJointStateBlender*> blender_map_t;
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blender_map_t mJointStateBlenderPool;
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blender_list_t mActiveBlenders;
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S32 mNextPoseSlot;
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LLPose mBlendedPose;
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public:
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// Constructor
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LLPoseBlender();
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// Destructor
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~LLPoseBlender();
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// request motion joint states to be added to pose blender joint state records
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BOOL addMotion(LLMotion* motion);
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// blend all joint states and apply to skeleton
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void blendAndApply();
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// removes all joint state blenders from last time
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void clearBlenders();
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// blend all joint states and cache results
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void blendAndCache(BOOL reset_cached_joints);
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// interpolate all joints towards cached values
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void interpolate(F32 u);
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LLPose* getBlendedPose() { return &mBlendedPose; }
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};
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#endif // LL_LLPOSE_H
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