osb/lib/linux/include/steam/steam_api_internal.h

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//====== Copyright Valve Corporation, All rights reserved. ====================
//
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// Internal implementation details of the steamworks SDK.
//
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// You should be able to figure out how to use the SDK by reading
// steam_api_common.h, and should not need to understand anything in here.
//
//-----------------------------------------------------------------------------
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#ifdef STEAM_CALLBACK_BEGIN
#error "This file should only be included from steam_api_common.h"
#endif
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#include <string.h>
// Internal functions used to locate/create interfaces
S_API HSteamPipe S_CALLTYPE SteamAPI_GetHSteamPipe();
S_API HSteamUser S_CALLTYPE SteamAPI_GetHSteamUser();
S_API HSteamPipe S_CALLTYPE SteamGameServer_GetHSteamPipe();
S_API HSteamUser S_CALLTYPE SteamGameServer_GetHSteamUser();
S_API void *S_CALLTYPE SteamInternal_ContextInit( void *pContextInitData );
S_API void *S_CALLTYPE SteamInternal_CreateInterface( const char *ver );
S_API void *S_CALLTYPE SteamInternal_FindOrCreateUserInterface( HSteamUser hSteamUser, const char *pszVersion );
S_API void *S_CALLTYPE SteamInternal_FindOrCreateGameServerInterface( HSteamUser hSteamUser, const char *pszVersion );
// Macro used to define a type-safe accessor that will always return the version
// of the interface of the *header file* you are compiling with! We also bounce
// through a safety function that checks for interfaces being created or destroyed.
//
// SteamInternal_ContextInit takes a base pointer for the equivalent of
// struct { void (*pFn)(void* pCtx); uintptr_t counter; void *ptr; }
// Do not change layout or add non-pointer aligned data!
#define STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, expr, kind, version ) \
inline void S_CALLTYPE SteamInternal_Init_ ## name( type *p ) { *p = (type)( expr ); } \
STEAM_CLANG_ATTR( "interface_accessor_kind:" kind ";interface_accessor_version:" version ";" ) \
inline type name() { \
static void* s_CallbackCounterAndContext[ 3 ] = { (void*)&SteamInternal_Init_ ## name, 0, 0 }; \
return *(type*)SteamInternal_ContextInit( s_CallbackCounterAndContext ); \
}
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#define STEAM_DEFINE_USER_INTERFACE_ACCESSOR( type, name, version ) \
STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateUserInterface( SteamAPI_GetHSteamUser(), version ), "user", version )
#define STEAM_DEFINE_GAMESERVER_INTERFACE_ACCESSOR( type, name, version ) \
STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateGameServerInterface( SteamGameServer_GetHSteamUser(), version ), "gameserver", version )
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//
// Internal stuff used for the standard, higher-level callback mechanism
//
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// Internal functions used by the utility CCallback objects to receive callbacks
S_API void S_CALLTYPE SteamAPI_RegisterCallback( class CCallbackBase *pCallback, int iCallback );
S_API void S_CALLTYPE SteamAPI_UnregisterCallback( class CCallbackBase *pCallback );
// Internal functions used by the utility CCallResult objects to receive async call results
S_API void S_CALLTYPE SteamAPI_RegisterCallResult( class CCallbackBase *pCallback, SteamAPICall_t hAPICall );
S_API void S_CALLTYPE SteamAPI_UnregisterCallResult( class CCallbackBase *pCallback, SteamAPICall_t hAPICall );
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#define _STEAM_CALLBACK_OFFSETOF( type, member ) ( (size_t)( (char *)&( (type *)0 )->member ) )
#define _STEAM_CALLBACK_AUTO_HOOK( thisclass, func, param )
#define _STEAM_CALLBACK_HELPER( _1, _2, SELECTED, ... ) _STEAM_CALLBACK_##SELECTED
#define _STEAM_CALLBACK_SELECT( X, Y ) _STEAM_CALLBACK_HELPER X Y
#define _STEAM_CALLBACK_3( extra_code, thisclass, func, param ) \
struct CCallbackInternal_ ## func : private CCallbackImpl< sizeof( param ) > { \
CCallbackInternal_ ## func () { extra_code SteamAPI_RegisterCallback( this, param::k_iCallback ); } \
CCallbackInternal_ ## func ( const CCallbackInternal_ ## func & ) { extra_code SteamAPI_RegisterCallback( this, param::k_iCallback ); } \
CCallbackInternal_ ## func & operator=( const CCallbackInternal_ ## func & ) { return *this; } \
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private: virtual void Run( void *pvParam ) S_OVERRIDE { _STEAM_CALLBACK_AUTO_HOOK( thisclass, func, param ) \
thisclass *pOuter = reinterpret_cast<thisclass*>( reinterpret_cast<char*>(this) - _STEAM_CALLBACK_OFFSETOF( thisclass, m_steamcallback_ ## func ) ); \
pOuter->func( reinterpret_cast<param*>( pvParam ) ); \
} \
} m_steamcallback_ ## func ; void func( param *pParam )
#define _STEAM_CALLBACK_4( _, thisclass, func, param, var ) \
CCallback< thisclass, param > var; void func( param *pParam )
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#define _STEAM_CALLBACK_GS( _, thisclass, func, param, var ) \
CCallback< thisclass, param, true > var; void func( param *pParam )
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#ifndef API_GEN
template< class T, class P >
inline CCallResult<T, P>::CCallResult()
{
m_hAPICall = k_uAPICallInvalid;
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m_pObj = nullptr;
m_Func = nullptr;
m_iCallback = P::k_iCallback;
}
template< class T, class P >
inline void CCallResult<T, P>::Set( SteamAPICall_t hAPICall, T *p, func_t func )
{
if ( m_hAPICall )
SteamAPI_UnregisterCallResult( this, m_hAPICall );
m_hAPICall = hAPICall;
m_pObj = p;
m_Func = func;
if ( hAPICall )
SteamAPI_RegisterCallResult( this, hAPICall );
}
template< class T, class P >
inline bool CCallResult<T, P>::IsActive() const
{
return (m_hAPICall != k_uAPICallInvalid);
}
template< class T, class P >
inline void CCallResult<T, P>::Cancel()
{
if ( m_hAPICall != k_uAPICallInvalid )
{
SteamAPI_UnregisterCallResult( this, m_hAPICall );
m_hAPICall = k_uAPICallInvalid;
}
}
template< class T, class P >
inline CCallResult<T, P>::~CCallResult()
{
Cancel();
}
template< class T, class P >
inline void CCallResult<T, P>::Run( void *pvParam )
{
m_hAPICall = k_uAPICallInvalid; // caller unregisters for us
(m_pObj->*m_Func)((P *)pvParam, false);
}
template< class T, class P >
inline void CCallResult<T, P>::Run( void *pvParam, bool bIOFailure, SteamAPICall_t hSteamAPICall )
{
if ( hSteamAPICall == m_hAPICall )
{
m_hAPICall = k_uAPICallInvalid; // caller unregisters for us
(m_pObj->*m_Func)((P *)pvParam, bIOFailure);
}
}
template< class T, class P, bool bGameserver >
inline CCallback< T, P, bGameserver >::CCallback( T *pObj, func_t func )
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: m_pObj( nullptr ), m_Func( nullptr )
{
if ( bGameserver )
{
this->SetGameserverFlag();
}
Register( pObj, func );
}
template< class T, class P, bool bGameserver >
inline void CCallback< T, P, bGameserver >::Register( T *pObj, func_t func )
{
if ( !pObj || !func )
return;
if ( this->m_nCallbackFlags & CCallbackBase::k_ECallbackFlagsRegistered )
Unregister();
m_pObj = pObj;
m_Func = func;
// SteamAPI_RegisterCallback sets k_ECallbackFlagsRegistered
SteamAPI_RegisterCallback( this, P::k_iCallback );
}
template< class T, class P, bool bGameserver >
inline void CCallback< T, P, bGameserver >::Unregister()
{
// SteamAPI_UnregisterCallback removes k_ECallbackFlagsRegistered
SteamAPI_UnregisterCallback( this );
}
template< class T, class P, bool bGameserver >
inline void CCallback< T, P, bGameserver >::Run( void *pvParam )
{
(m_pObj->*m_Func)((P *)pvParam);
}
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#endif // #ifndef API_GEN
// structure that contains client callback data
// see callbacks documentation for more details
#if defined( VALVE_CALLBACK_PACK_SMALL )
#pragma pack( push, 4 )
#elif defined( VALVE_CALLBACK_PACK_LARGE )
#pragma pack( push, 8 )
#else
#error steam_api_common.h should define VALVE_CALLBACK_PACK_xxx
#endif
/// Internal structure used in manual callback dispatch
struct CallbackMsg_t
{
HSteamUser m_hSteamUser; // Specific user to whom this callback applies.
int m_iCallback; // Callback identifier. (Corresponds to the k_iCallback enum in the callback structure.)
uint8 *m_pubParam; // Points to the callback structure
int m_cubParam; // Size of the data pointed to by m_pubParam
};
#pragma pack( pop )
// Macros to define steam callback structures. Used internally for debugging
#ifdef STEAM_CALLBACK_INSPECTION_ENABLED
#include "../../clientdll/steam_api_callback_inspection.h"
#else
#define STEAM_CALLBACK_BEGIN( callbackname, callbackid ) struct callbackname { enum { k_iCallback = callbackid };
#define STEAM_CALLBACK_MEMBER( varidx, vartype, varname ) vartype varname ;
#define STEAM_CALLBACK_MEMBER_ARRAY( varidx, vartype, varname, varcount ) vartype varname [ varcount ];
#define STEAM_CALLBACK_END(nArgs) };
#endif
// Forward declare all of the Steam interfaces. (Do we really need to do this?)
class ISteamClient;
class ISteamUser;
class ISteamGameServer;
class ISteamFriends;
class ISteamUtils;
class ISteamMatchmaking;
class ISteamContentServer;
class ISteamMatchmakingServers;
class ISteamUserStats;
class ISteamApps;
class ISteamNetworking;
class ISteamRemoteStorage;
class ISteamScreenshots;
class ISteamMusic;
class ISteamMusicRemote;
class ISteamGameServerStats;
class ISteamPS3OverlayRender;
class ISteamHTTP;
class ISteamController;
class ISteamUGC;
class ISteamHTMLSurface;
class ISteamInventory;
class ISteamVideo;
class ISteamParentalSettings;
class ISteamGameSearch;
class ISteamInput;
class ISteamParties;
class ISteamRemotePlay;
// Forward declare types
struct SteamNetworkingIdentity;
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//-----------------------------------------------------------------------------
// Purpose: Base values for callback identifiers, each callback must
// have a unique ID.
//-----------------------------------------------------------------------------
enum { k_iSteamUserCallbacks = 100 };
enum { k_iSteamGameServerCallbacks = 200 };
enum { k_iSteamFriendsCallbacks = 300 };
enum { k_iSteamBillingCallbacks = 400 };
enum { k_iSteamMatchmakingCallbacks = 500 };
enum { k_iSteamContentServerCallbacks = 600 };
enum { k_iSteamUtilsCallbacks = 700 };
enum { k_iSteamAppsCallbacks = 1000 };
enum { k_iSteamUserStatsCallbacks = 1100 };
enum { k_iSteamNetworkingCallbacks = 1200 };
enum { k_iSteamNetworkingSocketsCallbacks = 1220 };
enum { k_iSteamNetworkingMessagesCallbacks = 1250 };
enum { k_iSteamNetworkingUtilsCallbacks = 1280 };
enum { k_iSteamRemoteStorageCallbacks = 1300 };
enum { k_iSteamGameServerItemsCallbacks = 1500 };
enum { k_iSteamGameCoordinatorCallbacks = 1700 };
enum { k_iSteamGameServerStatsCallbacks = 1800 };
enum { k_iSteam2AsyncCallbacks = 1900 };
enum { k_iSteamGameStatsCallbacks = 2000 };
enum { k_iSteamHTTPCallbacks = 2100 };
enum { k_iSteamScreenshotsCallbacks = 2300 };
// NOTE: 2500-2599 are reserved
enum { k_iSteamStreamLauncherCallbacks = 2600 };
enum { k_iSteamControllerCallbacks = 2800 };
enum { k_iSteamUGCCallbacks = 3400 };
enum { k_iSteamStreamClientCallbacks = 3500 };
enum { k_iSteamMusicCallbacks = 4000 };
enum { k_iSteamMusicRemoteCallbacks = 4100 };
enum { k_iSteamGameNotificationCallbacks = 4400 };
enum { k_iSteamHTMLSurfaceCallbacks = 4500 };
enum { k_iSteamVideoCallbacks = 4600 };
enum { k_iSteamInventoryCallbacks = 4700 };
enum { k_ISteamParentalSettingsCallbacks = 5000 };
enum { k_iSteamGameSearchCallbacks = 5200 };
enum { k_iSteamPartiesCallbacks = 5300 };
enum { k_iSteamSTARCallbacks = 5500 };
enum { k_iSteamRemotePlayCallbacks = 5700 };
enum { k_iSteamChatCallbacks = 5900 };
// NOTE: Internal "IClientXxx" callback IDs go in clientenums.h
// Macros used to annotate various Steamworks interfaces to generate the
// flat API
#ifdef API_GEN
# define STEAM_CLANG_ATTR(ATTR) __attribute__((annotate( ATTR )))
#else
# define STEAM_CLANG_ATTR(ATTR)
#endif
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#define STEAM_OUT_STRUCT() STEAM_CLANG_ATTR( "out_struct: ;" )
#define STEAM_OUT_STRING() STEAM_CLANG_ATTR( "out_string: ;" )
#define STEAM_OUT_ARRAY_CALL(COUNTER,FUNCTION,PARAMS) STEAM_CLANG_ATTR( "out_array_call:" #COUNTER "," #FUNCTION "," #PARAMS ";" )
#define STEAM_OUT_ARRAY_COUNT(COUNTER, DESC) STEAM_CLANG_ATTR( "out_array_count:" #COUNTER ";desc:" #DESC )
#define STEAM_ARRAY_COUNT(COUNTER) STEAM_CLANG_ATTR( "array_count:" #COUNTER ";" )
#define STEAM_ARRAY_COUNT_D(COUNTER, DESC) STEAM_CLANG_ATTR( "array_count:" #COUNTER ";desc:" #DESC )
#define STEAM_BUFFER_COUNT(COUNTER) STEAM_CLANG_ATTR( "buffer_count:" #COUNTER ";" )
#define STEAM_OUT_BUFFER_COUNT(COUNTER) STEAM_CLANG_ATTR( "out_buffer_count:" #COUNTER ";" )
#define STEAM_OUT_STRING_COUNT(COUNTER) STEAM_CLANG_ATTR( "out_string_count:" #COUNTER ";" )
#define STEAM_DESC(DESC) STEAM_CLANG_ATTR("desc:" #DESC ";")
#define STEAM_CALL_RESULT(RESULT_TYPE) STEAM_CLANG_ATTR("callresult:" #RESULT_TYPE ";")
#define STEAM_CALL_BACK(RESULT_TYPE) STEAM_CLANG_ATTR("callback:" #RESULT_TYPE ";")
#define STEAM_FLAT_NAME(NAME) STEAM_CLANG_ATTR("flat_name:" #NAME ";")
// CSteamAPIContext encapsulates the Steamworks API global accessors into
// a single object.
//
// DEPRECATED: Used the global interface accessors instead!
//
// This will be removed in a future iteration of the SDK
class CSteamAPIContext
{
public:
CSteamAPIContext() { Clear(); }
inline void Clear() { memset( this, 0, sizeof(*this) ); }
inline bool Init(); // NOTE: This is defined in steam_api.h, to avoid this file having to include everything
ISteamClient* SteamClient() const { return m_pSteamClient; }
ISteamUser* SteamUser() const { return m_pSteamUser; }
ISteamFriends* SteamFriends() const { return m_pSteamFriends; }
ISteamUtils* SteamUtils() const { return m_pSteamUtils; }
ISteamMatchmaking* SteamMatchmaking() const { return m_pSteamMatchmaking; }
ISteamGameSearch* SteamGameSearch() const { return m_pSteamGameSearch; }
ISteamUserStats* SteamUserStats() const { return m_pSteamUserStats; }
ISteamApps* SteamApps() const { return m_pSteamApps; }
ISteamMatchmakingServers* SteamMatchmakingServers() const { return m_pSteamMatchmakingServers; }
ISteamNetworking* SteamNetworking() const { return m_pSteamNetworking; }
ISteamRemoteStorage* SteamRemoteStorage() const { return m_pSteamRemoteStorage; }
ISteamScreenshots* SteamScreenshots() const { return m_pSteamScreenshots; }
ISteamHTTP* SteamHTTP() const { return m_pSteamHTTP; }
ISteamController* SteamController() const { return m_pController; }
ISteamUGC* SteamUGC() const { return m_pSteamUGC; }
ISteamMusic* SteamMusic() const { return m_pSteamMusic; }
ISteamMusicRemote* SteamMusicRemote() const { return m_pSteamMusicRemote; }
ISteamHTMLSurface* SteamHTMLSurface() const { return m_pSteamHTMLSurface; }
ISteamInventory* SteamInventory() const { return m_pSteamInventory; }
ISteamVideo* SteamVideo() const { return m_pSteamVideo; }
ISteamParentalSettings* SteamParentalSettings() const { return m_pSteamParentalSettings; }
ISteamInput* SteamInput() const { return m_pSteamInput; }
private:
ISteamClient *m_pSteamClient;
ISteamUser *m_pSteamUser;
ISteamFriends *m_pSteamFriends;
ISteamUtils *m_pSteamUtils;
ISteamMatchmaking *m_pSteamMatchmaking;
ISteamGameSearch *m_pSteamGameSearch;
ISteamUserStats *m_pSteamUserStats;
ISteamApps *m_pSteamApps;
ISteamMatchmakingServers *m_pSteamMatchmakingServers;
ISteamNetworking *m_pSteamNetworking;
ISteamRemoteStorage *m_pSteamRemoteStorage;
ISteamScreenshots *m_pSteamScreenshots;
ISteamHTTP *m_pSteamHTTP;
ISteamController *m_pController;
ISteamUGC *m_pSteamUGC;
ISteamMusic *m_pSteamMusic;
ISteamMusicRemote *m_pSteamMusicRemote;
ISteamHTMLSurface *m_pSteamHTMLSurface;
ISteamInventory *m_pSteamInventory;
ISteamVideo *m_pSteamVideo;
ISteamParentalSettings *m_pSteamParentalSettings;
ISteamInput *m_pSteamInput;
};
class CSteamGameServerAPIContext
{
public:
CSteamGameServerAPIContext() { Clear(); }
inline void Clear() { memset( this, 0, sizeof(*this) ); }
inline bool Init(); // NOTE: This is defined in steam_gameserver.h, to avoid this file having to include everything
ISteamClient *SteamClient() const { return m_pSteamClient; }
ISteamGameServer *SteamGameServer() const { return m_pSteamGameServer; }
ISteamUtils *SteamGameServerUtils() const { return m_pSteamGameServerUtils; }
ISteamNetworking *SteamGameServerNetworking() const { return m_pSteamGameServerNetworking; }
ISteamGameServerStats *SteamGameServerStats() const { return m_pSteamGameServerStats; }
ISteamHTTP *SteamHTTP() const { return m_pSteamHTTP; }
ISteamInventory *SteamInventory() const { return m_pSteamInventory; }
ISteamUGC *SteamUGC() const { return m_pSteamUGC; }
private:
ISteamClient *m_pSteamClient;
ISteamGameServer *m_pSteamGameServer;
ISteamUtils *m_pSteamGameServerUtils;
ISteamNetworking *m_pSteamGameServerNetworking;
ISteamGameServerStats *m_pSteamGameServerStats;
ISteamHTTP *m_pSteamHTTP;
ISteamInventory *m_pSteamInventory;
ISteamUGC *m_pSteamUGC;
};