llheadrotmotion.h

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#ifndef LL_LLHEADROTMOTION_H
#define LL_LLHEADROTMOTION_H

//-----------------------------------------------------------------------------
// Header files
//-----------------------------------------------------------------------------
#include "llmotion.h"
#include "llframetimer.h"

#define MIN_REQUIRED_PIXEL_AREA_HEAD_ROT 500.f;
#define MIN_REQUIRED_PIXEL_AREA_EYE 25000.f;

//-----------------------------------------------------------------------------
// class LLHeadRotMotion
//-----------------------------------------------------------------------------
class LLHeadRotMotion :
        public LLMotion
{
public:
        // Constructor
        LLHeadRotMotion(const LLUUID &id);

        // Destructor
        virtual ~LLHeadRotMotion();

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) { return new LLHeadRotMotion(id); }

public:
        //-------------------------------------------------------------------------
        // animation callbacks to be implemented by subclasses
        //-------------------------------------------------------------------------

        // motions must specify whether or not they loop
        virtual BOOL getLoop() { return TRUE; }

        // motions must report their total duration
        virtual F32 getDuration() { return 0.0; }

        // motions must report their "ease in" duration
        virtual F32 getEaseInDuration() { return 1.f; }

        // motions must report their "ease out" duration.
        virtual F32 getEaseOutDuration() { return 1.f; }

        // called to determine when a motion should be activated/deactivated based on avatar pixel coverage
        virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_HEAD_ROT; }

        // motions must report their priority
        virtual LLJoint::JointPriority getPriority() { return LLJoint::MEDIUM_PRIORITY; }

        virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; }

        // 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();

public:
        //-------------------------------------------------------------------------
        // joint states to be animated
        //-------------------------------------------------------------------------
        LLCharacter                     *mCharacter;

        LLJoint                         *mTorsoJoint;
        LLJoint                         *mHeadJoint;
        LLJoint                         *mRootJoint;
        LLJoint                         *mPelvisJoint;

        LLJointState            mTorsoState;
        LLJointState            mNeckState;
        LLJointState            mHeadState;

        LLQuaternion            mLastHeadRot;
};

//-----------------------------------------------------------------------------
// class LLEyeMotion
//-----------------------------------------------------------------------------
class LLEyeMotion :
        public LLMotion
{
public:
        // Constructor
        LLEyeMotion(const LLUUID &id);

        // Destructor
        virtual ~LLEyeMotion();

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) { return new LLEyeMotion(id); }

public:
        //-------------------------------------------------------------------------
        // animation callbacks to be implemented by subclasses
        //-------------------------------------------------------------------------

        // motions must specify whether or not they loop
        virtual BOOL getLoop() { return TRUE; }

        // motions must report their total duration
        virtual F32 getDuration() { return 0.0; }

        // motions must report their "ease in" duration
        virtual F32 getEaseInDuration() { return 0.5f; }

        // motions must report their "ease out" duration.
        virtual F32 getEaseOutDuration() { return 0.5f; }

        // called to determine when a motion should be activated/deactivated based on avatar pixel coverage
        virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_EYE; }

        // motions must report their priority
        virtual LLJoint::JointPriority getPriority() { return LLJoint::MEDIUM_PRIORITY; }

        virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; }

        // 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();

public:
        //-------------------------------------------------------------------------
        // joint states to be animated
        //-------------------------------------------------------------------------
        LLCharacter                     *mCharacter;

        LLJoint                         *mHeadJoint;
        LLJointState            mLeftEyeState;
        LLJointState            mRightEyeState;

        LLFrameTimer            mEyeJitterTimer;
        F32                                     mEyeJitterTime;
        F32                                     mEyeJitterYaw;
        F32                                     mEyeJitterPitch;
        F32                                     mEyeLookAwayTime;
        F32                                     mEyeLookAwayYaw;
        F32                                     mEyeLookAwayPitch;

        // eye blinking
        LLFrameTimer            mEyeBlinkTimer;
        F32                                     mEyeBlinkTime;
        BOOL                            mEyesClosed;
};

#endif // LL_LLHEADROTMOTION_H

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