gbe_fork/sdk_includes/steam_api_internal.h

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//====== Copyright Valve Corporation, All rights reserved. ====================
//
// Internal implementation details of the steamworks SDK.
//
// 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.
//
//-----------------------------------------------------------------------------
#ifdef STEAM_CALLBACK_BEGIN
#error "This file should only be included from steam_api_common.h"
#endif
#include <string.h>
// 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 );
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 );
// disable this warning; this pattern need for steam callback registration
#ifdef _MSVC_VER
#pragma warning( push )
#pragma warning( disable: 4355 ) // 'this' : used in base member initializer list
#endif
#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; } \
private: virtual void Run( void *pvParam ) { _STEAM_CALLBACK_AUTO_HOOK( thisclass, func, param ) \
thisclass *pOuter = reinterpret_cast<thisclass*>( reinterpret_cast<char*>(this) - 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 )
#define _STEAM_CALLBACK_GS( _, thisclass, func, param, var ) \
CCallback< thisclass, param, true > var; void func( param *pParam )
template< class T, class P >
inline CCallResult<T, P>::CCallResult()
{
m_hAPICall = k_uAPICallInvalid;
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 )
: 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);
}
//-----------------------------------------------------------------------------
// 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 ISteamAppList;
class ISteamHTMLSurface;
class ISteamInventory;
class ISteamVideo;
class ISteamParentalSettings;
class ISteamGameSearch;
class ISteamInput;
class ISteamParties;
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class ISteamTV;
class ISteamRemotePlay;
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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_iClientFriendsCallbacks = 800 };
enum { k_iClientUserCallbacks = 900 };
enum { k_iSteamAppsCallbacks = 1000 };
enum { k_iSteamUserStatsCallbacks = 1100 };
enum { k_iSteamNetworkingCallbacks = 1200 };
enum { k_iSteamNetworkingSocketsCallbacks = 1220 };
enum { k_iSteamNetworkingMessagesCallbacks = 1250 };
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enum { k_iSteamNetworkingUtilsCallbacks = 1280 };
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enum { k_iClientRemoteStorageCallbacks = 1300 };
enum { k_iClientDepotBuilderCallbacks = 1400 };
enum { k_iSteamGameServerItemsCallbacks = 1500 };
enum { k_iClientUtilsCallbacks = 1600 };
enum { k_iSteamGameCoordinatorCallbacks = 1700 };
enum { k_iSteamGameServerStatsCallbacks = 1800 };
enum { k_iSteam2AsyncCallbacks = 1900 };
enum { k_iSteamGameStatsCallbacks = 2000 };
enum { k_iClientHTTPCallbacks = 2100 };
enum { k_iClientScreenshotsCallbacks = 2200 };
enum { k_iSteamScreenshotsCallbacks = 2300 };
enum { k_iClientAudioCallbacks = 2400 };
enum { k_iClientUnifiedMessagesCallbacks = 2500 };
enum { k_iSteamStreamLauncherCallbacks = 2600 };
enum { k_iClientControllerCallbacks = 2700 };
enum { k_iSteamControllerCallbacks = 2800 };
enum { k_iClientParentalSettingsCallbacks = 2900 };
enum { k_iClientDeviceAuthCallbacks = 3000 };
enum { k_iClientNetworkDeviceManagerCallbacks = 3100 };
enum { k_iClientMusicCallbacks = 3200 };
enum { k_iClientRemoteClientManagerCallbacks = 3300 };
enum { k_iClientUGCCallbacks = 3400 };
enum { k_iSteamStreamClientCallbacks = 3500 };
enum { k_IClientProductBuilderCallbacks = 3600 };
enum { k_iClientShortcutsCallbacks = 3700 };
enum { k_iClientRemoteControlManagerCallbacks = 3800 };
enum { k_iSteamAppListCallbacks = 3900 };
enum { k_iSteamMusicCallbacks = 4000 };
enum { k_iSteamMusicRemoteCallbacks = 4100 };
enum { k_iClientVRCallbacks = 4200 };
enum { k_iClientGameNotificationCallbacks = 4300 };
enum { k_iSteamGameNotificationCallbacks = 4400 };
enum { k_iSteamHTMLSurfaceCallbacks = 4500 };
enum { k_iClientVideoCallbacks = 4600 };
enum { k_iClientInventoryCallbacks = 4700 };
enum { k_iClientBluetoothManagerCallbacks = 4800 };
enum { k_iClientSharedConnectionCallbacks = 4900 };
enum { k_ISteamParentalSettingsCallbacks = 5000 };
enum { k_iClientShaderCallbacks = 5100 };
enum { k_iSteamGameSearchCallbacks = 5200 };
enum { k_iSteamPartiesCallbacks = 5300 };
enum { k_iClientPartiesCallbacks = 5400 };
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enum { k_iSteamSTARCallbacks = 5500 };
enum { k_iClientSTARCallbacks = 5600 };
enum { k_iSteamRemotePlayCallbacks = 5700 };
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// 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.
#ifndef STEAM_API_EXPORTS
// SteamInternal_ContextInit takes a base pointer for the equivalent of
// struct { void (*pFn)(void* pCtx); uintp counter; CSteamAPIContext ctx; }
// Do not change layout of 2 + sizeof... or add non-pointer aligned data!
// NOTE: declaring "static CSteamAPIConext" creates a large function
// which queries the initialization status of the object. We know that
// it is pointer-aligned and fully memset with zeros, so just alias a
// static buffer of the appropriate size and call it a CSteamAPIContext.
#define STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, expr ) \
inline void S_CALLTYPE SteamInternal_Init_ ## name( type *p ) { *p = (type)( expr ); } \
inline type name() { \
static void* s_CallbackCounterAndContext[ 3 ] = { (void*)&SteamInternal_Init_ ## name, 0, 0 }; \
return *(type*)SteamInternal_ContextInit( s_CallbackCounterAndContext ); \
}
#else
// Stub when we're compiling steam_api.dll itself. These are inline
// functions defined when the header is included. not functions exported
// by the lib!
#define STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, expr )
#endif
#define STEAM_DEFINE_USER_INTERFACE_ACCESSOR( type, name, version ) \
STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateUserInterface( SteamAPI_GetHSteamUser(), version ) )
#define STEAM_DEFINE_GAMESERVER_INTERFACE_ACCESSOR( type, name, version ) \
STEAM_DEFINE_INTERFACE_ACCESSOR( type, name, SteamInternal_FindOrCreateGameServerInterface( SteamGameServer_GetHSteamUser(), version ) )
#ifdef _MSVC_VER
#pragma warning( pop )
#endif
// 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; }
ISteamAppList* SteamAppList() const { return m_pSteamAppList; }
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; }
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ISteamTV* SteamTV() const { return m_pSteamTV; }
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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;
ISteamAppList *m_pSteamAppList;
ISteamMusic *m_pSteamMusic;
ISteamMusicRemote *m_pSteamMusicRemote;
ISteamHTMLSurface *m_pSteamHTMLSurface;
ISteamInventory *m_pSteamInventory;
ISteamVideo *m_pSteamVideo;
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ISteamTV *m_pSteamTV;
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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; }
ISteamApps *SteamApps() const { return m_pSteamApps; }
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;
ISteamApps *m_pSteamApps;
};