lltargetingmotion.h

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#ifndef LL_LLTARGETINGMOTION_H
#define LL_LLTARGETINGMOTION_H

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

#define TARGETING_EASEIN_DURATION       0.3f
#define TARGETING_EASEOUT_DURATION 0.5f
#define TARGETING_PRIORITY LLJoint::HIGH_PRIORITY
#define MIN_REQUIRED_PIXEL_AREA_TARGETING 1000.f;


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

        // Destructor
        virtual ~LLTargetingMotion();

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 LLTargetingMotion(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 TARGETING_EASEIN_DURATION; }

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

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

        virtual LLMotionBlendType getBlendType() { return ADDITIVE_BLEND; }

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

        // 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:

        LLCharacter                     *mCharacter;
        LLJointState            mTorsoState;
        LLJoint*                        mPelvisJoint;
        LLJoint*                        mTorsoJoint;
        LLJoint*                        mRightHandJoint;
};

#endif // LL_LLTARGETINGMOTION_H

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