129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
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//===== Copyright <20> 1996-2009, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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//===========================================================================//
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#include "mm_extensions.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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CMatchExtensions::CMatchExtensions()
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{
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;
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}
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CMatchExtensions::~CMatchExtensions()
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{
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;
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}
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static CMatchExtensions g_MatchExtensions;
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CMatchExtensions *g_pMatchExtensions = &g_MatchExtensions;
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//
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// Implementation
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//
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void CMatchExtensions::RegisterExtensionInterface( char const *szInterfaceString, void *pvInterface )
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{
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Assert( szInterfaceString );
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Assert( pvInterface );
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if ( !szInterfaceString || !pvInterface )
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return;
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RegisteredInterface_t &rInfo = m_mapRegisteredInterfaces[ szInterfaceString ];
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Assert( rInfo.m_nRefCount >= 0 );
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if ( rInfo.m_nRefCount > 0 )
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{
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// Interface already registered
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Assert( pvInterface == rInfo.m_pvInterface );
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}
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else
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{
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// Fresh registration of the interface
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Assert( !rInfo.m_pvInterface );
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rInfo.m_pvInterface = pvInterface;
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}
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// Increment refcount
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++ rInfo.m_nRefCount;
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// Fire a callback for interface registration
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OnExtensionInterfaceUpdated( szInterfaceString, pvInterface );
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}
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void CMatchExtensions::UnregisterExtensionInterface( char const *szInterfaceString, void *pvInterface )
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{
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Assert( szInterfaceString );
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Assert( pvInterface );
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if ( !szInterfaceString || !pvInterface )
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return;
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RegisteredInterface_t &rInfo = m_mapRegisteredInterfaces[ szInterfaceString ];
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Assert( rInfo.m_nRefCount > 0 );
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if ( rInfo.m_nRefCount <= 0 )
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return;
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Assert( pvInterface == rInfo.m_pvInterface );
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-- rInfo.m_nRefCount;
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if ( 0 == rInfo.m_nRefCount )
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{
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rInfo.m_pvInterface = NULL;
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OnExtensionInterfaceUpdated( szInterfaceString, NULL );
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}
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}
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void * CMatchExtensions::GetRegisteredExtensionInterface( char const *szInterfaceString )
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{
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RegisteredInterface_t &rInfo = m_mapRegisteredInterfaces[ szInterfaceString ];
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if ( rInfo.m_nRefCount > 0 && rInfo.m_pvInterface )
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return rInfo.m_pvInterface;
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else
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return NULL;
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}
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//
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// Known interfaces recognition
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//
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void CMatchExtensions::OnExtensionInterfaceUpdated( char const *szInterfaceString, void *pvInterface )
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{
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typedef void * Exts_t::* Ext_t;
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struct CachedInterfacePtr_t
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{
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char const *m_szName;
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Ext_t m_ppInterface;
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};
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static CachedInterfacePtr_t s_table[] =
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{
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{ LOCALIZE_INTERFACE_VERSION, (Ext_t) &Exts_t::m_pILocalize },
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{ INETSUPPORT_VERSION_STRING, (Ext_t) &Exts_t::m_pINetSupport },
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{ IENGINEVOICE_INTERFACE_VERSION, (Ext_t) &Exts_t::m_pIEngineVoice },
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{ VENGINE_CLIENT_INTERFACE_VERSION, (Ext_t) &Exts_t::m_pIVEngineClient },
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{ INTERFACEVERSION_VENGINESERVER, (Ext_t) &Exts_t::m_pIVEngineServer },
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{ INTERFACEVERSION_SERVERGAMEDLL, (Ext_t) &Exts_t::m_pIServerGameDLL },
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{ INTERFACEVERSION_GAMEEVENTSMANAGER2, (Ext_t) &Exts_t::m_pIGameEventManager2 },
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{ CLIENT_DLL_INTERFACE_VERSION, ( Ext_t ) &Exts_t::m_pIBaseClientDLL },
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#ifdef _X360
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{ XBOXSYSTEM_INTERFACE_VERSION, (Ext_t) &Exts_t::m_pIXboxSystem },
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{ XONLINE_INTERFACE_VERSION, (Ext_t) &Exts_t::m_pIXOnline },
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#endif
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{ NULL, NULL }
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};
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for ( CachedInterfacePtr_t *ptr = s_table; ptr->m_szName; ++ ptr )
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{
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if ( !Q_stricmp( ptr->m_szName, szInterfaceString ) )
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{
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m_exts.*(ptr->m_ppInterface) = pvInterface;
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}
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}
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}
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