Initial Source Code commit
Initial commit of original Tiberian Dawn and Red Alert source code converted to build as DLLs, and compatible with the release version of Command & Conquer Remastered.
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198
REDALERT/WIN32LIB/TIMER.H
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REDALERT/WIN32LIB/TIMER.H
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S **
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***************************************************************************
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* *
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* Project Name : Timer Class Functions *
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* *
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* File Name : TIMER.H *
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* *
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* Programmer : Scott K. Bowen *
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* *
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* Start Date : July 6, 1994 *
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* *
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* Last Update : July 12, 1994 [SKB] *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef TIMER_H
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#define TIMER_H
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#ifndef WIN32
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#define WIN32 1
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#ifndef _WIN32 // Denzil 6/2/98 Watcom 11.0 complains without this check
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#define _WIN32
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#endif // _WIN32
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#endif
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#include <windows.h>
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#include <windowsx.h>
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/*=========================================================================*/
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/* The following prototypes are for the file: TIMERA.ASM */
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/*=========================================================================*/
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//////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////// Externs /////////////////////////////////////////////
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extern BOOL TimerSystemOn;
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extern HANDLE TimerThreadHandle; //Handle of timer thread
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extern int InTimerCallback; //true if we are currently in a callback
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/*=========================================================================*/
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typedef enum BaseTimerEnum {
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BT_SYSTEM, // System timer (60 / second).
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BT_USER // User controllable timer (? / second).
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} BaseTimerEnum;
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class TimerClass {
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public:
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// Constructor. Timers set before low level init has been done will not
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// be able to be 'Started' or 'on' until timer system is in place.
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TimerClass(BaseTimerEnum timer=BT_SYSTEM, BOOL start=FALSE);
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// No destructor.
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~TimerClass(void){}
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//
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long Set(long value, BOOL start=TRUE); // Set initial timer value.
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long Stop(void); // Pause timer.
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long Start(void); // Resume timer.
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long Reset(BOOL start=TRUE); // Reset timer to zero.
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long Time(void); // Fetch current timer value.
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protected:
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long Started; // Time last started (0 == not paused).
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long Accumulated; // Total accumulated ticks.
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private:
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// long (*Get_Ticks)(void); // System timer fetch.
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BaseTimerEnum TickType;
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long Get_Ticks (void);
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};
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inline long TimerClass::Reset(BOOL start)
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{
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return(Set(0, start));
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}
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class CountDownTimerClass : private TimerClass {
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public:
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// Constructor. Timers set before low level init has been done will not
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// be able to be 'Started' or 'on' until timer system is in place.
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CountDownTimerClass(BaseTimerEnum timer, long set, int on=FALSE);
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CountDownTimerClass(BaseTimerEnum timer=BT_SYSTEM, int on=FALSE);
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// No destructor.
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~CountDownTimerClass(void){}
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// Public functions
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long Set(long set, BOOL start=TRUE); // Set count down value.
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long Reset(BOOL start=TRUE); // Reset timer to zero.
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long Stop(void); // Pause timer.
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long Start(void); // Resume timer.
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long Time(void); // Fetch current count down value.
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protected:
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long DelayTime; // Ticks remaining before countdown timer expires.
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};
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inline long CountDownTimerClass::Stop(void)
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{
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TimerClass::Stop();
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return(Time());
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}
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inline long CountDownTimerClass::Start(void)
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{
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TimerClass::Start();
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return(Time());
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}
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inline long CountDownTimerClass::Reset(BOOL start)
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{
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return (TimerClass::Reset(start));
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}
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class WinTimerClass {
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public:
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WinTimerClass ( UINT freq=60 , BOOL partial=0 );
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~WinTimerClass();
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void Update_Tick_Count ( void );
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unsigned Get_System_Tick_Count ( void );
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unsigned Get_User_Tick_Count ( void );
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private:
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unsigned TimerHandle; //Handle for windows timer event
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unsigned Frequency; //Frequency of our windows timer in ticks per second
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unsigned TrueRate; //True rate of clock. (only use word)
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unsigned SysTicks; //Tick count of timer.
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unsigned UserTicks; //Tick count of timer.
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unsigned UserRate; //Desired rate of timer.
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};
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extern WinTimerClass *WindowsTimer;
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//////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////// externs //////////////////////////////////////////
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#ifndef FUNCTION_H
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extern TimerClass TickCount;
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#endif
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extern CountDownTimerClass CountDown;
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//////////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////// Prototypes //////////////////////////////////////////
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extern "C" {
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long __cdecl Get_System_Tick_Count(void);
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long __cdecl Get_User_Tick_Count(void);
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void far __cdecl Timer_Interrupt_Func(void);
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// long Get_Num_Interrupts(unsigned int realmode);
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void __cdecl Disable_Timer_Interrupt(void);
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void __cdecl Enable_Timer_Interrupt(void);
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}
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/*=========================================================================*/
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/* The following prototypes are for the file: TIMER.CPP */
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/*=========================================================================*/
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BOOL __cdecl Init_Timer_System(unsigned int freq, int partial = FALSE);
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BOOL __cdecl Remove_Timer_System(VOID);
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#endif // TIMER_H
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