64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A higher level link library for general use in the game and tools.
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//
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//===========================================================================//
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#include <tier1/tier1.h>
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#include "tier0/dbg.h"
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#include "vstdlib/iprocessutils.h"
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#include "icvar.h"
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//-----------------------------------------------------------------------------
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// These tier1 libraries must be set by any users of this library.
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// They can be set by calling ConnectTier1Libraries or InitDefaultFileSystem.
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// It is hoped that setting this, and using this library will be the common mechanism for
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// allowing link libraries to access tier1 library interfaces
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//-----------------------------------------------------------------------------
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ICvar *cvar = 0;
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ICvar *g_pCVar = 0;
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IProcessUtils *g_pProcessUtils = 0;
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static bool s_bConnected = false;
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// for utlsortvector.h
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#ifndef _WIN32
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void *g_pUtlSortVectorQSortContext = NULL;
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#endif
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//-----------------------------------------------------------------------------
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// Call this to connect to all tier 1 libraries.
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// It's up to the caller to check the globals it cares about to see if ones are missing
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//-----------------------------------------------------------------------------
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void ConnectTier1Libraries( CreateInterfaceFn *pFactoryList, int nFactoryCount )
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{
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// Don't connect twice..
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if ( s_bConnected )
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return;
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s_bConnected = true;
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for ( int i = 0; i < nFactoryCount; ++i )
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{
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if ( !g_pCVar )
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{
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cvar = g_pCVar = ( ICvar * )pFactoryList[i]( CVAR_INTERFACE_VERSION, NULL );
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}
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if ( !g_pProcessUtils )
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{
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g_pProcessUtils = ( IProcessUtils * )pFactoryList[i]( PROCESS_UTILS_INTERFACE_VERSION, NULL );
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}
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}
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}
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void DisconnectTier1Libraries()
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{
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if ( !s_bConnected )
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return;
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g_pCVar = cvar = 0;
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g_pProcessUtils = NULL;
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s_bConnected = false;
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}
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