65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
//====== Copyright ©, Valve Corporation, All rights reserved. =======
|
|
//
|
|
// Purpose: interface to the game coordinator for this application
|
|
//
|
|
//=============================================================================
|
|
|
|
#ifndef ISTEAMGAMECOORDINATOR
|
|
#define ISTEAMGAMECOORDINATOR
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "isteamclient.h"
|
|
#include "steamtypes.h"
|
|
#include "steamclientpublic.h"
|
|
|
|
|
|
// list of possible return values from the ISteamGameCoordinator API
|
|
enum EGCResults
|
|
{
|
|
k_EGCResultOK = 0,
|
|
k_EGCResultNoMessage = 1, // There is no message in the queue
|
|
k_EGCResultBufferTooSmall = 2, // The buffer is too small for the requested message
|
|
k_EGCResultNotLoggedOn = 3, // The client is not logged onto Steam
|
|
k_EGCResultInvalidMessage = 4, // Something was wrong with the message being sent with SendMessage
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Functions for sending and receiving messages from the Game Coordinator
|
|
// for this application
|
|
//-----------------------------------------------------------------------------
|
|
class ISteamGameCoordinator
|
|
{
|
|
public:
|
|
|
|
// sends a message to the Game Coordinator
|
|
virtual EGCResults SendMessage( uint32 unMsgType, const void *pubData, uint32 cubData ) = 0;
|
|
|
|
// returns true if there is a message waiting from the game coordinator
|
|
virtual bool IsMessageAvailable( uint32 *pcubMsgSize ) = 0;
|
|
|
|
// fills the provided buffer with the first message in the queue and returns k_EGCResultOK or
|
|
// returns k_EGCResultNoMessage if there is no message waiting. pcubMsgSize is filled with the message size.
|
|
// If the provided buffer is not large enough to fit the entire message, k_EGCResultBufferTooSmall is returned
|
|
// and the message remains at the head of the queue.
|
|
virtual EGCResults RetrieveMessage( uint32 *punMsgType, void *pubDest, uint32 cubDest, uint32 *pcubMsgSize ) = 0;
|
|
|
|
};
|
|
#define STEAMGAMECOORDINATOR_INTERFACE_VERSION "SteamGameCoordinator001"
|
|
|
|
// callback notification - A new message is available for reading from the message queue
|
|
struct GCMessageAvailable_t
|
|
{
|
|
enum { k_iCallback = k_iSteamGameCoordinatorCallbacks + 1 };
|
|
uint32 m_nMessageSize;
|
|
};
|
|
|
|
// callback notification - A message failed to make it to the GC. It may be down temporarily
|
|
struct GCMessageFailed_t
|
|
{
|
|
enum { k_iCallback = k_iSteamGameCoordinatorCallbacks + 2 };
|
|
};
|
|
|
|
#endif // ISTEAMGAMECOORDINATOR
|