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//====== Copyright © 1996-2008, Valve Corporation, All rights reserved. =======
//
// Purpose: interface to user account information in Steam
//
//=============================================================================
#ifndef ISTEAMUSER_H
#define ISTEAMUSER_H
#ifdef _WIN32
#pragma once
#endif
#include "isteamclient.h"
// structure that contains client callback data
// see callbacks documentation for more details
struct CallbackMsg_t
{
HSteamUser m_hSteamUser;
int m_iCallback;
uint8 *m_pubParam;
int m_cubParam;
};
// reference to a steam call, to filter results by
typedef int32 HSteamCall;
//-----------------------------------------------------------------------------
// Purpose: Functions for accessing and manipulating a steam account
// associated with one client instance
//-----------------------------------------------------------------------------
class ISteamUser
{
public:
// returns the HSteamUser this interface represents
// this is only used internally by the API, and by a few select interfaces that support multi-user
virtual HSteamUser GetHSteamUser() = 0;
// returns true if the Steam client current has a live connection to the Steam servers.
// If false, it means there is no active connection due to either a networking issue on the local machine, or the Steam server is down/busy.
// The Steam client will automatically be trying to recreate the connection as often as possible.
virtual bool BLoggedOn() = 0;
// returns the CSteamID of the account currently logged into the Steam client
// a CSteamID is a unique identifier for an account, and used to differentiate users in all parts of the Steamworks API
virtual CSteamID GetSteamID() = 0;
// Multiplayer Authentication functions
// InitiateGameConnection() starts the state machine for authenticating the game client with the game server
// It is the client portion of a three-way handshake between the client, the game server, and the steam servers
//
// Parameters:
// void *pAuthBlob - a pointer to empty memory that will be filled in with the authentication token.
// int cbMaxAuthBlob - the number of bytes of allocated memory in pBlob. Should be at least 2048 bytes.
// CSteamID steamIDGameServer - the steamID of the game server, received from the game server by the client
// CGameID gameID - the ID of the current game. For games without mods, this is just CGameID( <appID> )
// uint32 unIPServer, uint16 usPortServer - the IP address of the game server
// bool bSecure - whether or not the client thinks that the game server is reporting itself as secure (i.e. VAC is running)
//
// return value - returns the number of bytes written to pBlob. If the return is 0, then the buffer passed in was too small, and the call has failed
// The contents of pBlob should then be sent to the game server, for it to use to complete the authentication process.
virtual int InitiateGameConnection( void *pAuthBlob, int cbMaxAuthBlob, CSteamID steamIDGameServer, uint32 unIPServer, uint16 usPortServer, bool bSecure ) = 0;
// notify of disconnect
// needs to occur when the game client leaves the specified game server, needs to match with the InitiateGameConnection() call
virtual void TerminateGameConnection( uint32 unIPServer, uint16 usPortServer ) = 0;
// Legacy functions
// used by only a few games to track usage events
virtual void TrackAppUsageEvent( CGameID gameID, int eAppUsageEvent, const char *pchExtraInfo = "" ) = 0;
// get the local storage folder for current Steam account to write application data, e.g. save games, configs etc.
// this will usually be something like "C:\Progam Files\Steam\userdata\<SteamID>\<AppID>\local"
virtual bool GetUserDataFolder( char *pchBuffer, int cubBuffer ) = 0;
// Starts voice recording. Once started, use GetCompressedVoice() to get the data
virtual void StartVoiceRecording( ) = 0;
// Stops voice recording. Because people often release push-to-talk keys early, the system will keep recording for
// a little bit after this function is called. GetCompressedVoice() should continue to be called until it returns
// k_eVoiceResultNotRecording
virtual void StopVoiceRecording( ) = 0;
// Gets the latest voice data. It should be called as often as possible once recording has started.
// nBytesWritten is set to the number of bytes written to pDestBuffer.
virtual EVoiceResult GetCompressedVoice( void *pDestBuffer, uint32 cbDestBufferSize, uint32 *nBytesWritten ) = 0;
// Decompresses a chunk of data produced by GetCompressedVoice(). nBytesWritten is set to the
// number of bytes written to pDestBuffer. The output format of the data is 16-bit signed at
// 11025 samples per second.
virtual EVoiceResult DecompressVoice( void *pCompressed, uint32 cbCompressed, void *pDestBuffer, uint32 cbDestBufferSize, uint32 *nBytesWritten ) = 0;
};
#define STEAMUSER_INTERFACE_VERSION "SteamUser011"
// callbacks
//-----------------------------------------------------------------------------
// Purpose: called when a connections to the Steam back-end has been established
// this means the Steam client now has a working connection to the Steam servers
// usually this will have occurred before the game has launched, and should
// only be seen if the user has dropped connection due to a networking issue
// or a Steam server update
//-----------------------------------------------------------------------------
struct SteamServersConnected_t
{
enum { k_iCallback = k_iSteamUserCallbacks + 1 };
};
//-----------------------------------------------------------------------------
// Purpose: called when a connection attempt has failed
// this will occur periodically if the Steam client is not connected,
// and has failed in it's retry to establish a connection
//-----------------------------------------------------------------------------
struct SteamServerConnectFailure_t
{
enum { k_iCallback = k_iSteamUserCallbacks + 2 };
EResult m_eResult;
};
//-----------------------------------------------------------------------------
// Purpose: called if the client has lost connection to the Steam servers
// real-time services will be disabled until a matching SteamServersConnected_t has been posted
//-----------------------------------------------------------------------------
struct SteamServersDisconnected_t
{
enum { k_iCallback = k_iSteamUserCallbacks + 3 };
EResult m_eResult;
};
//-----------------------------------------------------------------------------
// Purpose: Sent by the Steam server to the client telling it to disconnect from the specified game server,
// which it may be in the process of or already connected to.
// The game client should immediately disconnect upon receiving this message.
// This can usually occur if the user doesn't have rights to play on the game server.
//-----------------------------------------------------------------------------
struct ClientGameServerDeny_t
{
enum { k_iCallback = k_iSteamUserCallbacks + 13 };
uint32 m_uAppID;
uint32 m_unGameServerIP;
uint16 m_usGameServerPort;
uint16 m_bSecure;
uint32 m_uReason;
};
//-----------------------------------------------------------------------------
// Purpose: called when the callback system for this client is in an error state (and has flushed pending callbacks)
// When getting this message the client should disconnect from Steam, reset any stored Steam state and reconnect.
// This usually occurs in the rare event the Steam client has some kind of fatal error.
//-----------------------------------------------------------------------------
struct IPCFailure_t
{
enum { k_iCallback = k_iSteamUserCallbacks + 17 };
enum EFailureType
{
k_EFailureFlushedCallbackQueue,
k_EFailurePipeFail,
};
uint8 m_eFailureType;
};
#endif // ISTEAMUSER_H
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