142 lines
4.2 KiB
C++
142 lines
4.2 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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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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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_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 "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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LL_ALIGN_PREFIX(16)
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class LLJointStateBlender
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{
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LL_ALIGN_NEW
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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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LL_ALIGN_16(LLJoint mJointCache);
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} LL_ALIGN_POSTFIX(16);
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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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