Microsoft-3D-Movie-Maker/kauai/SRC/CLOK.H
2022-05-03 16:31:19 -07:00

82 lines
1.6 KiB
C++

/* Copyright (c) Microsoft Corporation.
Licensed under the MIT License. */
/* Copyright (c) Microsoft Corporation.
Licensed under the MIT License. */
/***************************************************************************
Author: ShonK
Project: Kauai
Reviewed:
Copyright (c) Microsoft Corporation
Clock class. See comments in clok.cpp.
***************************************************************************/
#ifndef CLOK_H
#define CLOK_H
enum
{
fclokNil = 0,
fclokReset = 1,
fclokNoSlip = 2,
};
typedef class CLOK *PCLOK;
#define CLOK_PAR CMH
#define kclsCLOK 'CLOK'
class CLOK : public CLOK_PAR
{
RTCLASS_DEC
ASSERT
MARKMEM
CMD_MAP_DEC(CLOK)
protected:
//alarm descriptor
struct ALAD
{
PCMH pcmh;
ulong tim;
long lw;
};
static PCLOK _pclokFirst;
PCLOK _pclokNext;
ulong _tsBase;
ulong _timBase;
ulong _timCur; // current time
ulong _dtimAlarm; // processing alarms up to _timCur + _dtimAlarm
ulong _timNext; // next alarm time to process (for speed)
ulong _grfclok;
PGL _pglalad; //the registered alarms
public:
CLOK(long hid, ulong grfclok = fclokNil);
~CLOK(void);
static PCLOK PclokFromHid(long hid);
static void BuryCmh(PCMH pcmh);
void RemoveCmh(PCMH pcmh);
void Start(ulong tim);
void Stop(void);
ulong TimCur(bool fAdjustForDelay = fFalse);
ulong DtimAlarm(void)
{ return _dtimAlarm; }
bool FSetAlarm(long dtim, PCMH pcmhNotify = pvNil, long lwUser = 0,
bool fAdjustForDelay = fFalse);
//idle handling
virtual bool FCmdAll(PCMD pcmd);
#ifdef DEBUG
static void MarkAllCloks(void);
#endif //DEBUG
};
#endif //!CLOK_H