71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#ifndef GAME_EVENT_LISTENER_H
|
|
#define GAME_EVENT_LISTENER_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "igameevents.h"
|
|
extern IGameEventManager2 *gameeventmanager;
|
|
|
|
// A safer method than inheriting straight from IGameEventListener2.
|
|
// Avoids requiring the user to remove themselves as listeners in
|
|
// their deconstructor, and sets the serverside variable based on
|
|
// our dll location.
|
|
class CGameEventListener : public IGameEventListener2
|
|
{
|
|
public:
|
|
CGameEventListener() : m_bRegisteredForEvents(false)
|
|
{
|
|
}
|
|
|
|
~CGameEventListener()
|
|
{
|
|
StopListeningForAllEvents();
|
|
}
|
|
|
|
void ListenForGameEvent( const char *name )
|
|
{
|
|
m_bRegisteredForEvents = true;
|
|
|
|
#ifdef CLIENT_DLL
|
|
bool bServerSide = false;
|
|
#else
|
|
bool bServerSide = true;
|
|
#endif
|
|
if ( gameeventmanager )
|
|
{
|
|
gameeventmanager->AddListener( this, name, bServerSide );
|
|
}
|
|
|
|
AssertMsg1( gameeventmanager, "Failed to subscribe to event %s!", name );
|
|
}
|
|
|
|
void StopListeningForAllEvents()
|
|
{
|
|
// remove me from list
|
|
if ( m_bRegisteredForEvents )
|
|
{
|
|
if ( gameeventmanager )
|
|
gameeventmanager->RemoveListener( this );
|
|
m_bRegisteredForEvents = false;
|
|
}
|
|
}
|
|
|
|
// Intentionally abstract
|
|
virtual void FireGameEvent( IGameEvent *event ) = 0;
|
|
|
|
private:
|
|
|
|
// Have we registered for any events?
|
|
bool m_bRegisteredForEvents;
|
|
};
|
|
|
|
#endif
|