llhandmotion.h

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#ifndef LL_LLHANDMOTION_H
#define LL_LLHANDMOTION_H

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

#define MIN_REQUIRED_PIXEL_AREA_HAND 10000.f;

//-----------------------------------------------------------------------------
// class LLHandMotion
//-----------------------------------------------------------------------------
class LLHandMotion :
        public LLMotion
{
public:
        typedef enum e_hand_pose
        {
                HAND_POSE_SPREAD,
                HAND_POSE_RELAXED,
                HAND_POSE_POINT,
                HAND_POSE_FIST,
                HAND_POSE_RELAXED_L,
                HAND_POSE_POINT_L,
                HAND_POSE_FIST_L,
                HAND_POSE_RELAXED_R,
                HAND_POSE_POINT_R,
                HAND_POSE_FIST_R,
                HAND_POSE_SALUTE_R,
                HAND_POSE_TYPING,
                HAND_POSE_PEACE_R,
                HAND_POSE_PALM_R,
                NUM_HAND_POSES
        } eHandPose;

        // Constructor
        LLHandMotion(const LLUUID &id);

        // Destructor
        virtual ~LLHandMotion();

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 LLHandMotion(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 0.0; }

        // motions must report their "ease out" duration.
        virtual F32 getEaseOutDuration() { return 0.0; }

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

        // 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();

        static LLString getHandPoseName(eHandPose pose);
        static eHandPose getHandPose(LLString posename);

public:
        //-------------------------------------------------------------------------
        // joint states to be animated
        //-------------------------------------------------------------------------

        LLCharacter                     *mCharacter;

        F32                                     mLastTime;
        eHandPose                       mCurrentPose;
        eHandPose                       mNewPose;
};
#endif // LL_LLHANDMOTION_H

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