410 lines
17 KiB
C++
410 lines
17 KiB
C++
//====== Copyright Valve Corporation, All rights reserved. ====================
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//
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// Internal implementation details of the steamworks SDK.
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//
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// You should be able to figure out how to use the SDK by reading
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// steam_api_common.h, and should not need to understand anything in here.
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//
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//-----------------------------------------------------------------------------
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#ifdef STEAM_CALLBACK_BEGIN
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#error "This file should only be included from steam_api_common.h"
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#endif
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#include <string.h>
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// Internal functions used to locate/create interfaces
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S_API HSteamPipe S_CALLTYPE SteamAPI_GetHSteamPipe();
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S_API HSteamUser S_CALLTYPE SteamAPI_GetHSteamUser();
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S_API HSteamPipe S_CALLTYPE SteamGameServer_GetHSteamPipe();
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S_API HSteamUser S_CALLTYPE SteamGameServer_GetHSteamUser();
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S_API void *S_CALLTYPE SteamInternal_ContextInit( void *pContextInitData );
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S_API void *S_CALLTYPE SteamInternal_CreateInterface( const char *ver );
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S_API void *S_CALLTYPE SteamInternal_FindOrCreateUserInterface( HSteamUser hSteamUser, const char *pszVersion );
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S_API void *S_CALLTYPE SteamInternal_FindOrCreateGameServerInterface( HSteamUser hSteamUser, const char *pszVersion );
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// Macro used to define a type-safe accessor that will always return the version
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// of the interface of the *header file* you are compiling with! We also bounce
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// through a safety function that checks for interfaces being created or destroyed.
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//
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// SteamInternal_ContextInit takes a base pointer for the equivalent of
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// struct { void (*pFn)(void* pCtx); uintptr_t counter; void *ptr; }
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// Do not change layout or add non-pointer aligned data!
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#define STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, expr, kind, version ) \
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inline void S_CALLTYPE SteamInternal_Init_ ## name( type *p ) { *p = (type)( expr ); } \
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STEAM_CLANG_ATTR( "interface_accessor_kind:" kind ";interface_accessor_version:" version ";" ) \
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inline type name() { \
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static void* s_CallbackCounterAndContext[ 3 ] = { (void*)&SteamInternal_Init_ ## name, 0, 0 }; \
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return *(type*)SteamInternal_ContextInit( s_CallbackCounterAndContext ); \
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}
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#define STEAM_DEFINE_USER_INTERFACE_ACCESSOR( type, name, version ) \
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STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateUserInterface( SteamAPI_GetHSteamUser(), version ), "user", version )
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#define STEAM_DEFINE_GAMESERVER_INTERFACE_ACCESSOR( type, name, version ) \
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STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateGameServerInterface( SteamGameServer_GetHSteamUser(), version ), "gameserver", version )
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//
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// Internal stuff used for the standard, higher-level callback mechanism
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//
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// Internal functions used by the utility CCallback objects to receive callbacks
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S_API void S_CALLTYPE SteamAPI_RegisterCallback( class CCallbackBase *pCallback, int iCallback );
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S_API void S_CALLTYPE SteamAPI_UnregisterCallback( class CCallbackBase *pCallback );
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// Internal functions used by the utility CCallResult objects to receive async call results
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S_API void S_CALLTYPE SteamAPI_RegisterCallResult( class CCallbackBase *pCallback, SteamAPICall_t hAPICall );
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S_API void S_CALLTYPE SteamAPI_UnregisterCallResult( class CCallbackBase *pCallback, SteamAPICall_t hAPICall );
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// disable this warning; this pattern need for steam callback registration
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#ifdef _MSVC_VER
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#pragma warning( push )
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#pragma warning( disable: 4355 ) // 'this' : used in base member initializer list
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#endif
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#define _STEAM_CALLBACK_AUTO_HOOK( thisclass, func, param )
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#define _STEAM_CALLBACK_HELPER( _1, _2, SELECTED, ... ) _STEAM_CALLBACK_##SELECTED
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#define _STEAM_CALLBACK_SELECT( X, Y ) _STEAM_CALLBACK_HELPER X Y
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#define _STEAM_CALLBACK_3( extra_code, thisclass, func, param ) \
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struct CCallbackInternal_ ## func : private CCallbackImpl< sizeof( param ) > { \
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CCallbackInternal_ ## func () { extra_code SteamAPI_RegisterCallback( this, param::k_iCallback ); } \
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CCallbackInternal_ ## func ( const CCallbackInternal_ ## func & ) { extra_code SteamAPI_RegisterCallback( this, param::k_iCallback ); } \
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CCallbackInternal_ ## func & operator=( const CCallbackInternal_ ## func & ) { return *this; } \
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private: virtual void Run( void *pvParam ) { _STEAM_CALLBACK_AUTO_HOOK( thisclass, func, param ) \
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thisclass *pOuter = reinterpret_cast<thisclass*>( reinterpret_cast<char*>(this) - offsetof( thisclass, m_steamcallback_ ## func ) ); \
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pOuter->func( reinterpret_cast<param*>( pvParam ) ); \
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} \
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} m_steamcallback_ ## func ; void func( param *pParam )
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#define _STEAM_CALLBACK_4( _, thisclass, func, param, var ) \
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CCallback< thisclass, param > var; void func( param *pParam )
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#define _STEAM_CALLBACK_GS( _, thisclass, func, param, var ) \
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CCallback< thisclass, param, true > var; void func( param *pParam )
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#ifndef API_GEN
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template< class T, class P >
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inline CCallResult<T, P>::CCallResult()
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{
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m_hAPICall = k_uAPICallInvalid;
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m_pObj = nullptr;
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m_Func = nullptr;
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m_iCallback = P::k_iCallback;
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}
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template< class T, class P >
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inline void CCallResult<T, P>::Set( SteamAPICall_t hAPICall, T *p, func_t func )
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{
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if ( m_hAPICall )
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SteamAPI_UnregisterCallResult( this, m_hAPICall );
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m_hAPICall = hAPICall;
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m_pObj = p;
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m_Func = func;
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if ( hAPICall )
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SteamAPI_RegisterCallResult( this, hAPICall );
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}
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template< class T, class P >
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inline bool CCallResult<T, P>::IsActive() const
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{
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return (m_hAPICall != k_uAPICallInvalid);
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}
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template< class T, class P >
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inline void CCallResult<T, P>::Cancel()
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{
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if ( m_hAPICall != k_uAPICallInvalid )
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{
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SteamAPI_UnregisterCallResult( this, m_hAPICall );
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m_hAPICall = k_uAPICallInvalid;
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}
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}
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template< class T, class P >
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inline CCallResult<T, P>::~CCallResult()
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{
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Cancel();
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}
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template< class T, class P >
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inline void CCallResult<T, P>::Run( void *pvParam )
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{
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m_hAPICall = k_uAPICallInvalid; // caller unregisters for us
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(m_pObj->*m_Func)((P *)pvParam, false);
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}
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template< class T, class P >
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inline void CCallResult<T, P>::Run( void *pvParam, bool bIOFailure, SteamAPICall_t hSteamAPICall )
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{
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if ( hSteamAPICall == m_hAPICall )
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{
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m_hAPICall = k_uAPICallInvalid; // caller unregisters for us
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(m_pObj->*m_Func)((P *)pvParam, bIOFailure);
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}
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}
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template< class T, class P, bool bGameserver >
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inline CCallback< T, P, bGameserver >::CCallback( T *pObj, func_t func )
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: m_pObj( nullptr ), m_Func( nullptr )
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{
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if ( bGameserver )
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{
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this->SetGameserverFlag();
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}
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Register( pObj, func );
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}
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template< class T, class P, bool bGameserver >
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inline void CCallback< T, P, bGameserver >::Register( T *pObj, func_t func )
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{
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if ( !pObj || !func )
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return;
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if ( this->m_nCallbackFlags & CCallbackBase::k_ECallbackFlagsRegistered )
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Unregister();
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m_pObj = pObj;
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m_Func = func;
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// SteamAPI_RegisterCallback sets k_ECallbackFlagsRegistered
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SteamAPI_RegisterCallback( this, P::k_iCallback );
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}
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template< class T, class P, bool bGameserver >
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inline void CCallback< T, P, bGameserver >::Unregister()
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{
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// SteamAPI_UnregisterCallback removes k_ECallbackFlagsRegistered
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SteamAPI_UnregisterCallback( this );
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}
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template< class T, class P, bool bGameserver >
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inline void CCallback< T, P, bGameserver >::Run( void *pvParam )
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{
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(m_pObj->*m_Func)((P *)pvParam);
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}
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#endif // #ifndef API_GEN
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// structure that contains client callback data
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// see callbacks documentation for more details
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#if defined( VALVE_CALLBACK_PACK_SMALL )
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#pragma pack( push, 4 )
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#elif defined( VALVE_CALLBACK_PACK_LARGE )
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#pragma pack( push, 8 )
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#else
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#error steam_api_common.h should define VALVE_CALLBACK_PACK_xxx
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#endif
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/// Internal structure used in manual callback dispatch
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struct CallbackMsg_t
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{
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HSteamUser m_hSteamUser; // Specific user to whom this callback applies.
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int m_iCallback; // Callback identifier. (Corresponds to the k_iCallback enum in the callback structure.)
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uint8 *m_pubParam; // Points to the callback structure
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int m_cubParam; // Size of the data pointed to by m_pubParam
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};
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#pragma pack( pop )
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// Macros to define steam callback structures. Used internally for debugging
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#ifdef STEAM_CALLBACK_INSPECTION_ENABLED
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#include "../../clientdll/steam_api_callback_inspection.h"
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#else
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#define STEAM_CALLBACK_BEGIN( callbackname, callbackid ) struct callbackname { enum { k_iCallback = callbackid };
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#define STEAM_CALLBACK_MEMBER( varidx, vartype, varname ) vartype varname ;
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#define STEAM_CALLBACK_MEMBER_ARRAY( varidx, vartype, varname, varcount ) vartype varname [ varcount ];
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#define STEAM_CALLBACK_END(nArgs) };
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#endif
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// Forward declare all of the Steam interfaces. (Do we really need to do this?)
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class ISteamClient;
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class ISteamUser;
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class ISteamGameServer;
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class ISteamFriends;
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class ISteamUtils;
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class ISteamMatchmaking;
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class ISteamContentServer;
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class ISteamMatchmakingServers;
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class ISteamUserStats;
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class ISteamApps;
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class ISteamNetworking;
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class ISteamRemoteStorage;
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class ISteamScreenshots;
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class ISteamMusic;
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class ISteamMusicRemote;
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class ISteamGameServerStats;
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class ISteamPS3OverlayRender;
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class ISteamHTTP;
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class ISteamController;
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class ISteamUGC;
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class ISteamAppList;
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class ISteamHTMLSurface;
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class ISteamInventory;
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class ISteamVideo;
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class ISteamParentalSettings;
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class ISteamGameSearch;
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class ISteamInput;
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class ISteamParties;
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class ISteamTV;
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class ISteamRemotePlay;
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//-----------------------------------------------------------------------------
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// Purpose: Base values for callback identifiers, each callback must
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// have a unique ID.
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//-----------------------------------------------------------------------------
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enum { k_iSteamUserCallbacks = 100 };
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enum { k_iSteamGameServerCallbacks = 200 };
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enum { k_iSteamFriendsCallbacks = 300 };
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enum { k_iSteamBillingCallbacks = 400 };
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enum { k_iSteamMatchmakingCallbacks = 500 };
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enum { k_iSteamContentServerCallbacks = 600 };
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enum { k_iSteamUtilsCallbacks = 700 };
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enum { k_iClientFriendsCallbacks = 800 };
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enum { k_iClientUserCallbacks = 900 };
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enum { k_iSteamAppsCallbacks = 1000 };
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enum { k_iSteamUserStatsCallbacks = 1100 };
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enum { k_iSteamNetworkingCallbacks = 1200 };
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enum { k_iSteamNetworkingSocketsCallbacks = 1220 };
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enum { k_iSteamNetworkingMessagesCallbacks = 1250 };
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enum { k_iSteamNetworkingUtilsCallbacks = 1280 };
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enum { k_iClientRemoteStorageCallbacks = 1300 };
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enum { k_iClientDepotBuilderCallbacks = 1400 };
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enum { k_iSteamGameServerItemsCallbacks = 1500 };
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enum { k_iClientUtilsCallbacks = 1600 };
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enum { k_iSteamGameCoordinatorCallbacks = 1700 };
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enum { k_iSteamGameServerStatsCallbacks = 1800 };
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enum { k_iSteam2AsyncCallbacks = 1900 };
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enum { k_iSteamGameStatsCallbacks = 2000 };
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enum { k_iClientHTTPCallbacks = 2100 };
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enum { k_iClientScreenshotsCallbacks = 2200 };
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enum { k_iSteamScreenshotsCallbacks = 2300 };
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enum { k_iClientAudioCallbacks = 2400 };
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enum { k_iClientUnifiedMessagesCallbacks = 2500 };
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enum { k_iSteamStreamLauncherCallbacks = 2600 };
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enum { k_iClientControllerCallbacks = 2700 };
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enum { k_iSteamControllerCallbacks = 2800 };
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enum { k_iClientParentalSettingsCallbacks = 2900 };
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enum { k_iClientDeviceAuthCallbacks = 3000 };
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enum { k_iClientNetworkDeviceManagerCallbacks = 3100 };
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enum { k_iClientMusicCallbacks = 3200 };
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enum { k_iClientRemoteClientManagerCallbacks = 3300 };
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enum { k_iClientUGCCallbacks = 3400 };
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enum { k_iSteamStreamClientCallbacks = 3500 };
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enum { k_IClientProductBuilderCallbacks = 3600 };
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enum { k_iClientShortcutsCallbacks = 3700 };
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enum { k_iClientRemoteControlManagerCallbacks = 3800 };
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enum { k_iSteamAppListCallbacks = 3900 };
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enum { k_iSteamMusicCallbacks = 4000 };
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enum { k_iSteamMusicRemoteCallbacks = 4100 };
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enum { k_iClientVRCallbacks = 4200 };
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enum { k_iClientGameNotificationCallbacks = 4300 };
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enum { k_iSteamGameNotificationCallbacks = 4400 };
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enum { k_iSteamHTMLSurfaceCallbacks = 4500 };
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enum { k_iClientVideoCallbacks = 4600 };
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enum { k_iClientInventoryCallbacks = 4700 };
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enum { k_iClientBluetoothManagerCallbacks = 4800 };
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enum { k_iClientSharedConnectionCallbacks = 4900 };
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enum { k_ISteamParentalSettingsCallbacks = 5000 };
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enum { k_iClientShaderCallbacks = 5100 };
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enum { k_iSteamGameSearchCallbacks = 5200 };
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enum { k_iSteamPartiesCallbacks = 5300 };
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enum { k_iClientPartiesCallbacks = 5400 };
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enum { k_iSteamSTARCallbacks = 5500 };
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enum { k_iClientSTARCallbacks = 5600 };
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enum { k_iSteamRemotePlayCallbacks = 5700 };
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enum { k_iClientCompatCallbacks = 5800 };
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#ifdef _MSVC_VER
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#pragma warning( pop )
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#endif
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// CSteamAPIContext encapsulates the Steamworks API global accessors into
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// a single object.
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//
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// DEPRECATED: Used the global interface accessors instead!
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//
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// This will be removed in a future iteration of the SDK
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class CSteamAPIContext
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{
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public:
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CSteamAPIContext() { Clear(); }
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inline void Clear() { memset( this, 0, sizeof(*this) ); }
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inline bool Init(); // NOTE: This is defined in steam_api.h, to avoid this file having to include everything
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ISteamClient* SteamClient() const { return m_pSteamClient; }
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ISteamUser* SteamUser() const { return m_pSteamUser; }
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ISteamFriends* SteamFriends() const { return m_pSteamFriends; }
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ISteamUtils* SteamUtils() const { return m_pSteamUtils; }
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ISteamMatchmaking* SteamMatchmaking() const { return m_pSteamMatchmaking; }
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ISteamGameSearch* SteamGameSearch() const { return m_pSteamGameSearch; }
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ISteamUserStats* SteamUserStats() const { return m_pSteamUserStats; }
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ISteamApps* SteamApps() const { return m_pSteamApps; }
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ISteamMatchmakingServers* SteamMatchmakingServers() const { return m_pSteamMatchmakingServers; }
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ISteamNetworking* SteamNetworking() const { return m_pSteamNetworking; }
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ISteamRemoteStorage* SteamRemoteStorage() const { return m_pSteamRemoteStorage; }
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ISteamScreenshots* SteamScreenshots() const { return m_pSteamScreenshots; }
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ISteamHTTP* SteamHTTP() const { return m_pSteamHTTP; }
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ISteamController* SteamController() const { return m_pController; }
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ISteamUGC* SteamUGC() const { return m_pSteamUGC; }
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ISteamAppList* SteamAppList() const { return m_pSteamAppList; }
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ISteamMusic* SteamMusic() const { return m_pSteamMusic; }
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ISteamMusicRemote* SteamMusicRemote() const { return m_pSteamMusicRemote; }
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ISteamHTMLSurface* SteamHTMLSurface() const { return m_pSteamHTMLSurface; }
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ISteamInventory* SteamInventory() const { return m_pSteamInventory; }
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ISteamVideo* SteamVideo() const { return m_pSteamVideo; }
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ISteamTV* SteamTV() const { return m_pSteamTV; }
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ISteamParentalSettings* SteamParentalSettings() const { return m_pSteamParentalSettings; }
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ISteamInput* SteamInput() const { return m_pSteamInput; }
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private:
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ISteamClient *m_pSteamClient;
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ISteamUser *m_pSteamUser;
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ISteamFriends *m_pSteamFriends;
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ISteamUtils *m_pSteamUtils;
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ISteamMatchmaking *m_pSteamMatchmaking;
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ISteamGameSearch *m_pSteamGameSearch;
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ISteamUserStats *m_pSteamUserStats;
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ISteamApps *m_pSteamApps;
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ISteamMatchmakingServers *m_pSteamMatchmakingServers;
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ISteamNetworking *m_pSteamNetworking;
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ISteamRemoteStorage *m_pSteamRemoteStorage;
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ISteamScreenshots *m_pSteamScreenshots;
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ISteamHTTP *m_pSteamHTTP;
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ISteamController *m_pController;
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ISteamUGC *m_pSteamUGC;
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ISteamAppList *m_pSteamAppList;
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ISteamMusic *m_pSteamMusic;
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ISteamMusicRemote *m_pSteamMusicRemote;
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ISteamHTMLSurface *m_pSteamHTMLSurface;
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ISteamInventory *m_pSteamInventory;
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ISteamVideo *m_pSteamVideo;
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ISteamTV *m_pSteamTV;
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ISteamParentalSettings *m_pSteamParentalSettings;
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ISteamInput *m_pSteamInput;
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};
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class CSteamGameServerAPIContext
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{
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public:
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CSteamGameServerAPIContext() { Clear(); }
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inline void Clear() { memset( this, 0, sizeof(*this) ); }
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inline bool Init(); // NOTE: This is defined in steam_gameserver.h, to avoid this file having to include everything
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ISteamClient *SteamClient() const { return m_pSteamClient; }
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ISteamGameServer *SteamGameServer() const { return m_pSteamGameServer; }
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ISteamUtils *SteamGameServerUtils() const { return m_pSteamGameServerUtils; }
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ISteamNetworking *SteamGameServerNetworking() const { return m_pSteamGameServerNetworking; }
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ISteamGameServerStats *SteamGameServerStats() const { return m_pSteamGameServerStats; }
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ISteamHTTP *SteamHTTP() const { return m_pSteamHTTP; }
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ISteamInventory *SteamInventory() const { return m_pSteamInventory; }
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ISteamUGC *SteamUGC() const { return m_pSteamUGC; }
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ISteamApps *SteamApps() const { return m_pSteamApps; }
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private:
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ISteamClient *m_pSteamClient;
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ISteamGameServer *m_pSteamGameServer;
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ISteamUtils *m_pSteamGameServerUtils;
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ISteamNetworking *m_pSteamGameServerNetworking;
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ISteamGameServerStats *m_pSteamGameServerStats;
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ISteamHTTP *m_pSteamHTTP;
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ISteamInventory *m_pSteamInventory;
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ISteamUGC *m_pSteamUGC;
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ISteamApps *m_pSteamApps;
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};
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