/*

    Implements an interrupt time spinning cursor

    Created 29 Jan 1996 by EGH

    Copyright © 1996, Apple Computer, Inc. All rights reserved.

*/

#pragma once

#include <Retrace.h>

#pragma options align=mac68k

struct Acur

{

    short n;        // Number of cursors ("frames of film")

    short index;    //  Next frame to show <for internal use>

    short frame1;   // 'CURS' resource id for frame #1

    short fill1;    // <for internal use>

    short frame2;   // 'CURS' resource id for frame #2

    short fill2;    // <for internal use>

    short frameN;   // 'CURS' resource id for frame #N

    short fillN;    // <for internal use>

};

typedef struct Acur acur,*acurPtr,**acurHandle;

typedef struct

{

    VBLTask task;

    long a5;

} VBLTaskNA5;

#pragma options align=reset

class CBeachBall

{

public:

    static void InitBeachBall();

    static void SpinBeachBall();

    static void StartSpinningTask(

        short inCount);

    static void StopSpinningTask();

#ifdef powerc

    static void SpinTask(

        VBLTaskNA5 *inTask);

#else

    static void SpinTask(

        VBLTaskNA5 *inTask : __D0);

#endif

private:

    static short sNumBBCur;

    static Cursor *sBBCursors;

    static short sCurBB;

    static UInt32 sSpinTime;

    static short sSpinCount;

    static VBLTaskNA5 *sSpinTask;

};