Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef SIMTIMER_H
#define SIMTIMER_H
#if defined( _WIN32 )
#pragma once
#endif
#define ST_EPS 0.001
#define DEFINE_SIMTIMER( type, name ) DEFINE_EMBEDDED( type, name )
//-----------------------------------------------------------------------------
class CSimpleSimTimer
{
public:
CSimpleSimTimer()
: m_next( -1 )
{
}
void Force()
{
m_next = -1;
}
bool Expired() const
{
return ( gpGlobals->curtime - m_next > -ST_EPS );
}
float Delay( float delayTime )
{
return (m_next += delayTime);
}
float GetNext() const
{
return m_next;
}
void Set( float interval )
{
m_next = gpGlobals->curtime + interval;
}
void Set( float minInterval, float maxInterval )
{
if ( maxInterval > 0.0 )
m_next = gpGlobals->curtime + random->RandomFloat( minInterval, maxInterval );
else
m_next = gpGlobals->curtime + minInterval;
}
float GetRemaining() const
{
float result = m_next - gpGlobals->curtime;
if (result < 0 )
return 0;
return result;
}
DECLARE_SIMPLE_DATADESC();
protected:
float m_next;
};
//-----------------------------------------------------------------------------
class CSimTimer : public CSimpleSimTimer
{
public:
CSimTimer( float interval = 0.0, bool startExpired = true )
{
Set( interval, startExpired );
}
void Set( float interval, bool startExpired = true )
{
m_interval = interval;
m_next = (startExpired) ? -1.0 : gpGlobals->curtime + m_interval;
}
void Reset( float interval = -1.0 )
{
if ( interval == -1.0 )
{
m_next = gpGlobals->curtime + m_interval;
}
else
{
m_next = gpGlobals->curtime + interval;
}
}
float GetInterval() const
{
return m_interval;
}
DECLARE_SIMPLE_DATADESC();
private:
float m_interval;
};
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
class CRandSimTimer : public CSimpleSimTimer
{
public:
CRandSimTimer( float minInterval = 0.0, float maxInterval = 0.0, bool startExpired = true )
{
Set( minInterval, maxInterval, startExpired );
}
void Set( float minInterval, float maxInterval = 0.0, bool startExpired = true )
{
m_minInterval = minInterval;
m_maxInterval = maxInterval;
if (startExpired)
{
m_next = -1;
}
else
{
if ( m_maxInterval == 0 )
m_next = gpGlobals->curtime + m_minInterval;
else
m_next = gpGlobals->curtime + random->RandomFloat( m_minInterval, m_maxInterval );
}
}
void Reset()
{
if ( m_maxInterval == 0 )
m_next = gpGlobals->curtime + m_minInterval;
else
m_next = gpGlobals->curtime + random->RandomFloat( m_minInterval, m_maxInterval );
}
float GetMinInterval() const
{
return m_minInterval;
}
float GetMaxInterval() const
{
return m_maxInterval;
}
DECLARE_SIMPLE_DATADESC();
private:
float m_minInterval;
float m_maxInterval;
};
//-----------------------------------------------------------------------------
class CStopwatchBase : public CSimpleSimTimer
{
public:
CStopwatchBase()
{
m_fIsRunning = false;
}
bool IsRunning() const
{
return m_fIsRunning;
}
void Stop()
{
m_fIsRunning = false;
}
bool Expired() const
{
return ( m_fIsRunning && CSimpleSimTimer::Expired() );
}
DECLARE_SIMPLE_DATADESC();
protected:
bool m_fIsRunning;
};
//-------------------------------------
class CSimpleStopwatch : public CStopwatchBase
{
public:
void Start( float minCountdown, float maxCountdown = 0.0 )
{
m_fIsRunning = true;
CSimpleSimTimer::Set( minCountdown, maxCountdown );
}
void Stop()
{
m_fIsRunning = false;
}
bool Expired() const
{
return ( m_fIsRunning && CSimpleSimTimer::Expired() );
}
};
//-------------------------------------
class CStopwatch : public CStopwatchBase
{
public:
CStopwatch ( float interval = 0.0 )
{
Set( interval );
}
void Set( float interval )
{
m_interval = interval;
}
void Start( float intervalOverride )
{
m_fIsRunning = true;
m_next = gpGlobals->curtime + intervalOverride;
}
void Start()
{
Start( m_interval );
}
float GetInterval() const
{
return m_interval;
}
DECLARE_SIMPLE_DATADESC();
private:
float m_interval;
};
//-------------------------------------
class CRandStopwatch : public CStopwatchBase
{
public:
CRandStopwatch( float minInterval = 0.0, float maxInterval = 0.0 )
{
Set( minInterval, maxInterval );
}
void Set( float minInterval, float maxInterval = 0.0 )
{
m_minInterval = minInterval;
m_maxInterval = maxInterval;
}
void Start( float minOverride, float maxOverride = 0.0 )
{
m_fIsRunning = true;
if ( maxOverride == 0 )
m_next = gpGlobals->curtime + minOverride;
else
m_next = gpGlobals->curtime + random->RandomFloat( minOverride, maxOverride );
}
void Start()
{
Start( m_minInterval, m_maxInterval );
}
float GetInterval() const
{
return m_minInterval;
}
float GetMinInterval() const
{
return m_minInterval;
}
float GetMaxInterval() const
{
return m_maxInterval;
}
DECLARE_SIMPLE_DATADESC();
private:
float m_minInterval;
float m_maxInterval;
};
//-----------------------------------------------------------------------------
class CThinkOnceSemaphore
{
public:
CThinkOnceSemaphore()
: m_lastTime( -1 )
{
}
bool EnterThink()
{
if ( m_lastTime == gpGlobals->curtime )
return false;
m_lastTime = gpGlobals->curtime;
return true;
}
bool DidThink() const
{
return ( gpGlobals->curtime == m_lastTime );
}
void SetDidThink()
{
m_lastTime = gpGlobals->curtime;
}
private:
float m_lastTime;
};
//-----------------------------------------------------------------------------
#endif // SIMTIMER_H