/** * @file llkeyframemotion.h * @brief Implementation of LLKeframeMotion class. * * $LicenseInfo:firstyear=2001&license=viewergpl$ * * Copyright (c) 2001-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #ifndef LL_LLKEYFRAMEMOTION_H #define LL_LLKEYFRAMEMOTION_H //----------------------------------------------------------------------------- // Header files //----------------------------------------------------------------------------- #include <string> #include "llassetstorage.h" #include "llbboxlocal.h" #include "llhandmotion.h" #include "lljointstate.h" #include "llmotion.h" #include "llquaternion.h" #include "v3dmath.h" #include "v3math.h" #include "llbvhconsts.h" class LLKeyframeDataCache; class LLVFS; class LLDataPacker; #define MIN_REQUIRED_PIXEL_AREA_KEYFRAME (40.f) #define MAX_CHAIN_LENGTH (4) const S32 KEYFRAME_MOTION_VERSION = 1; const S32 KEYFRAME_MOTION_SUBVERSION = 0; //----------------------------------------------------------------------------- // class LLKeyframeMotion //----------------------------------------------------------------------------- class LLKeyframeMotion : public LLMotion { friend class LLKeyframeDataCache; public: // Constructor LLKeyframeMotion(const LLUUID &id); // Destructor virtual ~LLKeyframeMotion(); private: // private helper functions to wrap some asserts LLPointer<LLJointState>& getJointState(U32 index); LLJoint* getJoint(U32 index); public: //------------------------------------------------------------------------- // functions to support MotionController and MotionRegistry //------------------------------------------------------------------------- // static constructor // all subclasses must implement such a function and register it static LLMotion *create(const LLUUID& id); public: //------------------------------------------------------------------------- // animation callbacks to be implemented by subclasses //------------------------------------------------------------------------- // motions must specify whether or not they loop virtual BOOL getLoop() { if (mJointMotionList) return mJointMotionList->mLoop; else return FALSE; } // motions must report their total duration virtual F32 getDuration() { if (mJointMotionList) return mJointMotionList->mDuration; else return 0.f; } // motions must report their "ease in" duration virtual F32 getEaseInDuration() { if (mJointMotionList) return mJointMotionList->mEaseInDuration; else return 0.f; } // motions must report their "ease out" duration. virtual F32 getEaseOutDuration() { if (mJointMotionList) return mJointMotionList->mEaseOutDuration; else return 0.f; } // motions must report their priority virtual LLJoint::JointPriority getPriority() { if (mJointMotionList) return mJointMotionList->mBasePriority; else return LLJoint::LOW_PRIORITY; } virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; } // called to determine when a motion should be activated/deactivated based on avatar pixel coverage virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_KEYFRAME; } // run-time (post constructor) initialization, // called after parameters have been set // must return true to indicate success and be available for activation virtual LLMotionInitStatus onInitialize(LLCharacter *character); // called when a motion is activated // must return TRUE to indicate success, or else // it will be deactivated virtual BOOL onActivate(); // called per time step // must return TRUE while it is active, and // must return FALSE when the motion is completed. virtual BOOL onUpdate(F32 time, U8* joint_mask); // called when a motion is deactivated virtual void onDeactivate(); virtual void setStopTime(F32 time); static void setVFS(LLVFS* vfs) { sVFS = vfs; } static void onLoadComplete(LLVFS *vfs, const LLUUID& asset_uuid, LLAssetType::EType type, void* user_data, S32 status, LLExtStat ext_status); public: U32 getFileSize(); BOOL serialize(LLDataPacker& dp) const; BOOL deserialize(LLDataPacker& dp); BOOL isLoaded() { return mJointMotionList != NULL; } // setters for modifying a keyframe animation void setLoop(BOOL loop); F32 getLoopIn() { return (mJointMotionList) ? mJointMotionList->mLoopInPoint : 0.f; } F32 getLoopOut() { return (mJointMotionList) ? mJointMotionList->mLoopOutPoint : 0.f; } void setLoopIn(F32 in_point); void setLoopOut(F32 out_point); void setHandPose(LLHandMotion::eHandPose pose) { if (mJointMotionList) mJointMotionList->mHandPose = pose; } LLHandMotion::eHandPose getHandPose() { return (mJointMotionList) ? mJointMotionList->mHandPose : LLHandMotion::HAND_POSE_RELAXED; } void setPriority(S32 priority); void setEmote(const LLUUID& emote_id); void setEaseIn(F32 ease_in); void setEaseOut(F32 ease_in); F32 getLastUpdateTime() { return mLastLoopedTime; } const LLBBoxLocal& getPelvisBBox(); static void flushKeyframeCache(); protected: //------------------------------------------------------------------------- // JointConstraintSharedData //------------------------------------------------------------------------- class JointConstraintSharedData { public: JointConstraintSharedData() : mChainLength(0), mEaseInStartTime(0.f), mEaseInStopTime(0.f), mEaseOutStartTime(0.f), mEaseOutStopTime(0.f), mUseTargetOffset(FALSE), mConstraintType(CONSTRAINT_TYPE_POINT), mConstraintTargetType(CONSTRAINT_TARGET_TYPE_BODY), mSourceConstraintVolume(0), mTargetConstraintVolume(0), mJointStateIndices(NULL) { }; ~JointConstraintSharedData() { delete [] mJointStateIndices; } S32 mSourceConstraintVolume; LLVector3 mSourceConstraintOffset; S32 mTargetConstraintVolume; LLVector3 mTargetConstraintOffset; LLVector3 mTargetConstraintDir; S32 mChainLength; S32* mJointStateIndices; F32 mEaseInStartTime; F32 mEaseInStopTime; F32 mEaseOutStartTime; F32 mEaseOutStopTime; BOOL mUseTargetOffset; EConstraintType mConstraintType; EConstraintTargetType mConstraintTargetType; }; //----------------------------------------------------------------------------- // JointConstraint() //----------------------------------------------------------------------------- class JointConstraint { public: JointConstraint(JointConstraintSharedData* shared_data); ~JointConstraint(); JointConstraintSharedData* mSharedData; F32 mWeight; F32 mTotalLength; LLVector3 mPositions[MAX_CHAIN_LENGTH]; F32 mJointLengths[MAX_CHAIN_LENGTH]; F32 mJointLengthFractions[MAX_CHAIN_LENGTH]; BOOL mActive; LLVector3d mGroundPos; LLVector3 mGroundNorm; LLJoint* mSourceVolume; LLJoint* mTargetVolume; F32 mFixupDistanceRMS; }; void applyKeyframes(F32 time); void applyConstraints(F32 time, U8* joint_mask); void activateConstraint(JointConstraint* constraintp); void initializeConstraint(JointConstraint* constraint); void deactivateConstraint(JointConstraint *constraintp); void applyConstraint(JointConstraint* constraintp, F32 time, U8* joint_mask); BOOL setupPose(); public: enum AssetStatus { ASSET_LOADED, ASSET_FETCHED, ASSET_NEEDS_FETCH, ASSET_FETCH_FAILED, ASSET_UNDEFINED }; enum InterpolationType { IT_STEP, IT_LINEAR, IT_SPLINE }; //------------------------------------------------------------------------- // ScaleKey //------------------------------------------------------------------------- class ScaleKey { public: ScaleKey() { mTime = 0.0f; } ScaleKey(F32 time, const LLVector3 &scale) { mTime = time; mScale = scale; } F32 mTime; LLVector3 mScale; }; //------------------------------------------------------------------------- // RotationKey //------------------------------------------------------------------------- class RotationKey { public: RotationKey() { mTime = 0.0f; } RotationKey(F32 time, const LLQuaternion &rotation) { mTime = time; mRotation = rotation; } F32 mTime; LLQuaternion mRotation; }; //------------------------------------------------------------------------- // PositionKey //------------------------------------------------------------------------- class PositionKey { public: PositionKey() { mTime = 0.0f; } PositionKey(F32 time, const LLVector3 &position) { mTime = time; mPosition = position; } F32 mTime; LLVector3 mPosition; }; //------------------------------------------------------------------------- // ScaleCurve //------------------------------------------------------------------------- class ScaleCurve { public: ScaleCurve(); ~ScaleCurve(); LLVector3 getValue(F32 time, F32 duration); LLVector3 interp(F32 u, ScaleKey& before, ScaleKey& after); InterpolationType mInterpolationType; S32 mNumKeys; typedef std::map<F32, ScaleKey> key_map_t; key_map_t mKeys; ScaleKey mLoopInKey; ScaleKey mLoopOutKey; }; //------------------------------------------------------------------------- // RotationCurve //------------------------------------------------------------------------- class RotationCurve { public: RotationCurve(); ~RotationCurve(); LLQuaternion getValue(F32 time, F32 duration); LLQuaternion interp(F32 u, RotationKey& before, RotationKey& after); InterpolationType mInterpolationType; S32 mNumKeys; typedef std::map<F32, RotationKey> key_map_t; key_map_t mKeys; RotationKey mLoopInKey; RotationKey mLoopOutKey; }; //------------------------------------------------------------------------- // PositionCurve //------------------------------------------------------------------------- class PositionCurve { public: PositionCurve(); ~PositionCurve(); LLVector3 getValue(F32 time, F32 duration); LLVector3 interp(F32 u, PositionKey& before, PositionKey& after); InterpolationType mInterpolationType; S32 mNumKeys; typedef std::map<F32, PositionKey> key_map_t; key_map_t mKeys; PositionKey mLoopInKey; PositionKey mLoopOutKey; }; //------------------------------------------------------------------------- // JointMotion //------------------------------------------------------------------------- class JointMotion { public: PositionCurve mPositionCurve; RotationCurve mRotationCurve; ScaleCurve mScaleCurve; std::string mJointName; U32 mUsage; LLJoint::JointPriority mPriority; void update(LLJointState* joint_state, F32 time, F32 duration); }; //------------------------------------------------------------------------- // JointMotionList //------------------------------------------------------------------------- class JointMotionList { public: std::vector<JointMotion*> mJointMotionArray; F32 mDuration; BOOL mLoop; F32 mLoopInPoint; F32 mLoopOutPoint; F32 mEaseInDuration; F32 mEaseOutDuration; LLJoint::JointPriority mBasePriority; LLHandMotion::eHandPose mHandPose; LLJoint::JointPriority mMaxPriority; typedef std::list<JointConstraintSharedData*> constraint_list_t; constraint_list_t mConstraints; LLBBoxLocal mPelvisBBox; // mEmoteName is a facial motion, but it's necessary to appear here so that it's cached. // TODO: LLKeyframeDataCache::getKeyframeData should probably return a class containing // JointMotionList and mEmoteName, see LLKeyframeMotion::onInitialize. std::string mEmoteName; public: JointMotionList(); ~JointMotionList(); U32 dumpDiagInfo(); JointMotion* getJointMotion(U32 index) const { llassert(index < mJointMotionArray.size()); return mJointMotionArray[index]; } U32 getNumJointMotions() const { return mJointMotionArray.size(); } }; protected: static LLVFS* sVFS; //------------------------------------------------------------------------- // Member Data //------------------------------------------------------------------------- JointMotionList* mJointMotionList; std::vector<LLPointer<LLJointState> > mJointStates; LLJoint* mPelvisp; LLCharacter* mCharacter; typedef std::list<JointConstraint*> constraint_list_t; constraint_list_t mConstraints; U32 mLastSkeletonSerialNum; F32 mLastUpdateTime; F32 mLastLoopedTime; AssetStatus mAssetStatus; }; class LLKeyframeDataCache { public: // *FIX: implement this as an actual singleton member of LLKeyframeMotion LLKeyframeDataCache(){}; ~LLKeyframeDataCache(); typedef std::map<LLUUID, class LLKeyframeMotion::JointMotionList*> keyframe_data_map_t; static keyframe_data_map_t sKeyframeDataMap; static void addKeyframeData(const LLUUID& id, LLKeyframeMotion::JointMotionList*); static LLKeyframeMotion::JointMotionList* getKeyframeData(const LLUUID& id); static void removeKeyframeData(const LLUUID& id); //print out diagnostic info static void dumpDiagInfo(); static void clear(); }; #endif // LL_LLKEYFRAMEMOTION_H