You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
1.8 KiB
94 lines
1.8 KiB
![]()
4 years ago
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
//
|
||
|
// Purpose:
|
||
|
//
|
||
|
//=============================================================================//
|
||
|
|
||
|
#ifndef TIMEDEVENTMGR_H
|
||
|
#define TIMEDEVENTMGR_H
|
||
|
#ifdef _WIN32
|
||
|
#pragma once
|
||
|
#endif
|
||
|
|
||
|
|
||
|
#include "utlpriorityqueue.h"
|
||
|
|
||
|
|
||
|
//
|
||
|
//
|
||
|
// These classes provide fast timed event callbacks. To use them, make a CTimedEventMgr
|
||
|
// and put CEventRegister objects in your objects that want the timed events.
|
||
|
//
|
||
|
//
|
||
|
|
||
|
|
||
|
class CTimedEventMgr;
|
||
|
|
||
|
|
||
|
abstract_class IEventRegisterCallback
|
||
|
{
|
||
|
public:
|
||
|
virtual void FireEvent() = 0;
|
||
|
};
|
||
|
|
||
|
|
||
|
class CEventRegister
|
||
|
{
|
||
|
friend bool TimedEventMgr_LessFunc( CEventRegister* const &a, CEventRegister* const &b );
|
||
|
friend class CTimedEventMgr;
|
||
|
|
||
|
public:
|
||
|
CEventRegister();
|
||
|
~CEventRegister();
|
||
|
|
||
|
// Call this before ever calling SetUpdateInterval().
|
||
|
void Init( CTimedEventMgr *pMgr, IEventRegisterCallback *pCallback );
|
||
|
|
||
|
// Use these to start and stop getting updates.
|
||
|
void SetUpdateInterval( float interval );
|
||
|
void StopUpdates();
|
||
|
|
||
|
inline bool IsRegistered() const { return m_bRegistered; }
|
||
|
|
||
|
private:
|
||
|
|
||
|
void Reregister(); // After having an event processed, this is called to have it register for the next one.
|
||
|
void Term();
|
||
|
|
||
|
|
||
|
private:
|
||
|
|
||
|
CTimedEventMgr *m_pEventMgr;
|
||
|
float m_flNextEventTime;
|
||
|
float m_flUpdateInterval;
|
||
|
IEventRegisterCallback *m_pCallback;
|
||
|
bool m_bRegistered;
|
||
|
};
|
||
|
|
||
|
|
||
|
class CTimedEventMgr
|
||
|
{
|
||
|
friend class CEventRegister;
|
||
|
|
||
|
public:
|
||
|
CTimedEventMgr();
|
||
|
|
||
|
// Call this each frame to fire events.
|
||
|
void FireEvents();
|
||
|
|
||
|
|
||
|
private:
|
||
|
|
||
|
// Things used by CEventRegister.
|
||
|
void RegisterForNextEvent( CEventRegister *pEvent );
|
||
|
void RemoveEvent( CEventRegister *pEvent );
|
||
|
|
||
|
private:
|
||
|
|
||
|
// Events, sorted by the time at which they will fire.
|
||
|
CUtlPriorityQueue<CEventRegister*> m_Events;
|
||
|
};
|
||
|
|
||
|
|
||
|
#endif // TIMEDEVENTMGR_H
|