llhudeffecttrail.h

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#ifndef LL_LLHUDEFFECTTRAIL_H
#define LL_LLHUDEFFECTTRAIL_H

#include "llhudeffect.h"

#include "llframetimer.h"

#include "llinterp.h"
#include "llviewerpartsim.h"

class LLViewerObject;

const U32 NUM_TRAIL_POINTS = 40;


class LLHUDEffectSpiral : public LLHUDEffect
{
public:
        /*virtual*/ void markDead();
        /*virtual*/ void setTargetObject(LLViewerObject* objectp);
        void setVMag(F32 vmag) { mVMag = vmag; }
        void setVOffset(F32 offset) { mVOffset = offset; }
        void setInitialRadius(F32 radius) { mInitialRadius = radius; }
        void setFinalRadius(F32 radius) { mFinalRadius = radius; }
        void setScaleBase(F32 scale) { mScaleBase = scale; }
        void setScaleVar(F32 scale) { mScaleVar = scale; }
        void setSpinRate(F32 rate) { mSpinRate = rate; }
        void setFlickerRate(F32 rate) { mFlickerRate = rate; }

        // Start the effect playing locally.
        void triggerLocal();

        friend class LLHUDObject;
protected:
        LLHUDEffectSpiral(const U8 type);
        ~LLHUDEffectSpiral();

        /*virtual*/ void render();
        /*virtual*/ void packData(LLMessageSystem *mesgsys);
        /*virtual*/ void unpackData(LLMessageSystem *mesgsys, S32 blocknum);
private:
        /*
        void setupParticle(const S32 i, const F32 start_time);

        
        LLInterpExp<F32>                                mRadius[NUM_TRAIL_POINTS];
        LLInterpLinear<LLVector3d>              mDistance[NUM_TRAIL_POINTS];
        LLInterpLinear<F32>                             mScale[NUM_TRAIL_POINTS];
        F32                                                             mOffset[NUM_TRAIL_POINTS];
        */

        BOOL                                                    mbInit;
        LLPointer<LLViewerPartSource>   mPartSourcep;

        F32                                                             mKillTime;
        F32                                                             mVMag;
        F32                                                             mVOffset;
        F32                                                             mInitialRadius;
        F32                                                             mFinalRadius;
        F32                                                             mSpinRate;
        F32                                                             mFlickerRate;
        F32                                                             mScaleBase;
        F32                                                             mScaleVar;
        LLFrameTimer                                    mTimer;
        LLInterpLinear<F32>                             mFadeInterp;
};

#endif // LL_LLHUDEFFECTGLOW_H

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