mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 14:16:50 +00:00
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: A higher level link library for general use in the game and tools.
|
|
//
|
|
//===========================================================================//
|
|
|
|
|
|
#ifndef TIER1_H
|
|
#define TIER1_H
|
|
|
|
#if defined( _WIN32 )
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "appframework/IAppSystem.h"
|
|
#include "tier1/convar.h"
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Forward declarations
|
|
//-----------------------------------------------------------------------------
|
|
class ICvar;
|
|
class IProcessUtils;
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// These tier1 libraries must be set by any users of this library.
|
|
// They can be set by calling ConnectTier1Libraries.
|
|
// It is hoped that setting this, and using this library will be the common mechanism for
|
|
// allowing link libraries to access tier1 library interfaces
|
|
//-----------------------------------------------------------------------------
|
|
|
|
extern ICvar *cvar;
|
|
extern ICvar *g_pCVar;
|
|
extern IProcessUtils *g_pProcessUtils;
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Call this to connect to/disconnect from all tier 1 libraries.
|
|
// It's up to the caller to check the globals it cares about to see if ones are missing
|
|
//-----------------------------------------------------------------------------
|
|
void ConnectTier1Libraries( CreateInterfaceFn *pFactoryList, int nFactoryCount );
|
|
void DisconnectTier1Libraries();
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Helper empty implementation of an IAppSystem for tier2 libraries
|
|
//-----------------------------------------------------------------------------
|
|
template< class IInterface, int ConVarFlag = 0 >
|
|
class CTier1AppSystem : public CTier0AppSystem< IInterface >
|
|
{
|
|
typedef CTier0AppSystem< IInterface > BaseClass;
|
|
|
|
public:
|
|
CTier1AppSystem( bool bIsPrimaryAppSystem = true ) : BaseClass( bIsPrimaryAppSystem )
|
|
{
|
|
}
|
|
|
|
virtual bool Connect( CreateInterfaceFn factory )
|
|
{
|
|
if ( !BaseClass::Connect( factory ) )
|
|
return false;
|
|
|
|
if ( BaseClass::IsPrimaryAppSystem() )
|
|
{
|
|
ConnectTier1Libraries( &factory, 1 );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
virtual void Disconnect()
|
|
{
|
|
if ( BaseClass::IsPrimaryAppSystem() )
|
|
{
|
|
DisconnectTier1Libraries();
|
|
}
|
|
BaseClass::Disconnect();
|
|
}
|
|
|
|
virtual InitReturnVal_t Init()
|
|
{
|
|
InitReturnVal_t nRetVal = BaseClass::Init();
|
|
if ( nRetVal != INIT_OK )
|
|
return nRetVal;
|
|
|
|
if ( g_pCVar && BaseClass::IsPrimaryAppSystem() )
|
|
{
|
|
ConVar_Register( ConVarFlag );
|
|
}
|
|
return INIT_OK;
|
|
}
|
|
|
|
virtual void Shutdown()
|
|
{
|
|
if ( g_pCVar && BaseClass::IsPrimaryAppSystem() )
|
|
{
|
|
ConVar_Unregister( );
|
|
}
|
|
BaseClass::Shutdown( );
|
|
}
|
|
};
|
|
|
|
|
|
#endif // TIER1_H
|
|
|