/* 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

	These are globals common to the util layer.

***************************************************************************/
#ifndef UTILGLOB_H
#define UTILGLOB_H


/***************************************************************************
	Universal scalable application clock and other time stuff
***************************************************************************/
const ulong kdtsSecond = MacWin(60, 1000);
const ulong kluTimeScaleNormal = 0x00010000;


typedef class USAC *PUSAC;
#define USAC_PAR BASE
#define kclsUSAC 'USAC'
class USAC : public USAC_PAR
	{
	RTCLASS_DEC

private:
	ulong _tsBaseSys;	// base system time
	ulong _tsBaseApp;	// base application time
	ulong _luScale;

public:
	USAC(void);

	ulong TsCur(void);
	void Scale(ulong luScale);
	ulong LuScale(void)
		{ return _luScale; }
	void Jump(ulong dtsJump)
		{ _tsBaseApp += dtsJump; }
	};

extern PUSAC vpusac;


inline ulong TsCurrent(void)
	{ return vpusac->TsCur(); }
inline ulong TsCurrentSystem(void)
	{
	// n.b. WIN: timeGetTime is more accurate than GetTickCount
	return MacWin(TickCount(), timeGetTime());
	}
inline ulong DtsCaret(void)
	{ return MacWin(GetCaretTime(), GetCaretBlinkTime()); }


/***************************************************************************
	Mutexes to protect various global linked lists, etc.
***************************************************************************/
#ifdef DEBUG
extern MUTX vmutxBase;
#endif //DEBUG
extern MUTX vmutxMem;


/***************************************************************************
	Global random number generator and shuffler. These are used by the
	script interpreter.
***************************************************************************/
extern SFL vsflUtil;
extern RND vrndUtil;


/***************************************************************************
	Global standard Kauai codec, compression manager, and pointer to
	a compression manager. The blck-level compression uses vpcodmUtil.
	Clients are free to redirect this to their own compression manager.
***************************************************************************/
extern KCDC vkcdcUtil;
extern CODM vcodmUtil;
extern PCODM vpcodmUtil;


/***************************************************************************
	Debug memory globals
***************************************************************************/
#ifdef DEBUG
extern DMGLOB vdmglob;
#endif //DEBUG


#endif //!UTILGLOB_H