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//====== Copyright © 1996-2008, Valve Corporation, All rights reserved. =======
//
// Purpose: Main interface for loading and accessing Steamworks API's from the
// Steam client.
// For most uses, this code is wrapped inside of SteamAPI_Init()
//=============================================================================
#ifndef ISTEAMCLIENT_H
#define ISTEAMCLIENT_H
#ifdef _WIN32
#pragma once
#endif
#include "steamtypes.h"
#include "steamclientpublic.h"
// handle to a communication pipe to the Steam client
typedef int32 HSteamPipe;
// handle to single instance of a steam user
typedef int32 HSteamUser;
// function prototype
#if defined( POSIX ) && !defined( _CYGWIN )
#define __cdecl
#endif
extern "C" typedef void (__cdecl *SteamAPIWarningMessageHook_t)(int, const char *);
// interface predec
class ISteamUser;
class ISteamGameServer;
class ISteamFriends;
class ISteamUtils;
class ISteamMatchmaking;
class ISteamContentServer;
class ISteamMasterServerUpdater;
class ISteamMatchmakingServers;
class ISteamUserStats;
class ISteamApps;
class ISteamNetworking;
//-----------------------------------------------------------------------------
// Purpose: Interface to creating a new steam instance, or to
// connect to an existing steam instance, whether it's in a
// different process or is local.
//
// For most scenarios this is all handled automatically via SteamAPI_Init().
// You'll only need to use these interfaces if you have a more complex versioning scheme,
// where you want to get different versions of the same interface in different dll's in your project.
//-----------------------------------------------------------------------------
class ISteamClient
{
public:
// Creates a communication pipe to the Steam client
virtual HSteamPipe CreateSteamPipe() = 0;
// Releases a previously created communications pipe
virtual bool BReleaseSteamPipe( HSteamPipe hSteamPipe ) = 0;
// connects to an existing global user, failing if none exists
// used by the game to coordinate with the steamUI
virtual HSteamUser ConnectToGlobalUser( HSteamPipe hSteamPipe ) = 0;
// used by game servers, create a steam user that won't be shared with anyone else
virtual HSteamUser CreateLocalUser( HSteamPipe *phSteamPipe ) = 0;
// removes an allocated user
virtual void ReleaseUser( HSteamPipe hSteamPipe, HSteamUser hUser ) = 0;
// retrieves the ISteamUser interface associated with the handle
virtual ISteamUser *GetISteamUser( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// retrieves the ISteamGameServer interface associated with the handle
virtual ISteamGameServer *GetISteamGameServer( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// set the local IP and Port to bind to
// this must be set before CreateLocalUser()
virtual void SetLocalIPBinding( uint32 unIP, uint16 usPort ) = 0;
// returns the ISteamFriends interface
virtual ISteamFriends *GetISteamFriends( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the ISteamUtils interface
virtual ISteamUtils *GetISteamUtils( HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the ISteamMatchmaking interface
virtual ISteamMatchmaking *GetISteamMatchmaking( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the ISteamContentServer interface
virtual ISteamContentServer *GetISteamContentServer( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the ISteamMasterServerUpdater interface
virtual ISteamMasterServerUpdater *GetISteamMasterServerUpdater( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the ISteamMatchmakingServers interface
virtual ISteamMatchmakingServers *GetISteamMatchmakingServers( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns the a generic interface
virtual void *GetISteamGenericInterface( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// this needs to be called every frame to process matchmaking results
// redundant if you're already calling SteamAPI_RunCallbacks()
virtual void RunFrame() = 0;
// returns the number of IPC calls made since the last time this function was called
// Used for perf debugging so you can understand how many IPC calls your game makes per frame
// Every IPC call is at minimum a thread context switch if not a process one so you want to rate
// control how often you do them.
virtual uint32 GetIPCCallCount() = 0;
// returns the ISteamUserStats interface
virtual ISteamUserStats *GetISteamUserStats( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// returns apps interface
virtual ISteamApps *GetISteamApps( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// networking
virtual ISteamNetworking *GetISteamNetworking( HSteamUser hSteamUser, HSteamPipe hSteamPipe, const char *pchVersion ) = 0;
// API warning handling
// 'int' is the severity; 0 for msg, 1 for warning
// 'const char *' is the text of the message
// callbacks will occur directly after the API function is called that generated the warning or message
virtual void SetWarningMessageHook( SteamAPIWarningMessageHook_t pFunction ) = 0;
};
#define STEAMCLIENT_INTERFACE_VERSION "SteamClient007"
//-----------------------------------------------------------------------------
// 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 };
#endif // ISTEAMCLIENT_H
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