/** * @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