mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-12-16 07:20:59 +00:00
240 lines
5.1 KiB
C++
240 lines
5.1 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __TIMER_H__
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#define __TIMER_H__
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/*
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===============================================================================
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Clock tick counter. Should only be used for profiling.
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===============================================================================
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*/
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class idTimer
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{
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public:
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idTimer();
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idTimer( double clockTicks );
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~idTimer();
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idTimer operator+( const idTimer& t ) const;
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idTimer operator-( const idTimer& t ) const;
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idTimer& operator+=( const idTimer& t );
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idTimer& operator-=( const idTimer& t );
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void Start();
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void Stop();
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void Clear();
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double ClockTicks() const;
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double Milliseconds() const;
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private:
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static double base;
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enum
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{
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TS_STARTED,
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TS_STOPPED
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} state;
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double start;
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double clockTicks;
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void InitBaseClockTicks() const;
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};
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/*
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=================
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idTimer::idTimer
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=================
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*/
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ID_INLINE idTimer::idTimer()
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{
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state = TS_STOPPED;
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clockTicks = 0.0;
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}
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/*
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=================
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idTimer::idTimer
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=================
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*/
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ID_INLINE idTimer::idTimer( double _clockTicks )
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{
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state = TS_STOPPED;
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clockTicks = _clockTicks;
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}
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/*
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=================
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idTimer::~idTimer
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=================
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*/
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ID_INLINE idTimer::~idTimer()
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{
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}
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/*
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=================
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idTimer::operator+
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=================
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*/
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ID_INLINE idTimer idTimer::operator+( const idTimer& t ) const
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{
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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return idTimer( clockTicks + t.clockTicks );
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}
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/*
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=================
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idTimer::operator-
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=================
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*/
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ID_INLINE idTimer idTimer::operator-( const idTimer& t ) const
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{
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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return idTimer( clockTicks - t.clockTicks );
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}
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/*
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=================
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idTimer::operator+=
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=================
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*/
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ID_INLINE idTimer& idTimer::operator+=( const idTimer& t )
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{
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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clockTicks += t.clockTicks;
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return *this;
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}
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/*
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=================
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idTimer::operator-=
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=================
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*/
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ID_INLINE idTimer& idTimer::operator-=( const idTimer& t )
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{
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assert( state == TS_STOPPED && t.state == TS_STOPPED );
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clockTicks -= t.clockTicks;
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return *this;
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}
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/*
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=================
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idTimer::Start
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=================
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*/
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ID_INLINE void idTimer::Start()
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{
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assert( state == TS_STOPPED );
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state = TS_STARTED;
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start = idLib::sys->GetClockTicks();
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}
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/*
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=================
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idTimer::Stop
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=================
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*/
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ID_INLINE void idTimer::Stop()
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{
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assert( state == TS_STARTED );
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clockTicks += idLib::sys->GetClockTicks() - start;
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if( base < 0.0 )
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{
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InitBaseClockTicks();
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}
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if( clockTicks > base )
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{
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clockTicks -= base;
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}
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state = TS_STOPPED;
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}
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/*
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=================
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idTimer::Clear
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=================
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*/
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ID_INLINE void idTimer::Clear()
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{
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clockTicks = 0.0;
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}
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/*
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=================
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idTimer::ClockTicks
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=================
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*/
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ID_INLINE double idTimer::ClockTicks() const
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{
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assert( state == TS_STOPPED );
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return clockTicks;
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}
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/*
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=================
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idTimer::Milliseconds
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=================
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*/
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ID_INLINE double idTimer::Milliseconds() const
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{
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assert( state == TS_STOPPED );
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return clockTicks / ( idLib::sys->ClockTicksPerSecond() * 0.001 );
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}
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/*
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===============================================================================
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Report of multiple named timers.
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===============================================================================
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*/
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class idTimerReport
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{
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public:
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idTimerReport();
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~idTimerReport();
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void SetReportName( const char* name );
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int AddReport( const char* name );
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void Clear();
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void Reset();
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void PrintReport();
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void AddTime( const char* name, idTimer* time );
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private:
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idList<idTimer*>timers;
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idStrList names;
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idStr reportName;
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};
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#endif /* !__TIMER_H__ */
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