networking

external/steamworks/steamworksexample/Lobby.h

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+//========= Copyright © 1996-2008, Valve LLC, All rights reserved. ============
+//
+// Purpose: Class for handling finding & creating lobbies, getting their details, 
+//			and seeing other users in the current lobby
+//
+//=============================================================================
+
+#ifndef LOBBY_H
+#define LOBBY_H
+
+#include "SpaceWar.h"
+#include "GameEngine.h"
+#include "BaseMenu.h"
+#include <list>
+
+class CSpaceWarClient;
+class CLobbyBrowserMenu;
+class CLobbyMenu;
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Displays the other users in a lobby and allows the game to be started
+//-----------------------------------------------------------------------------
+class CLobby
+{
+public:
+	CLobby( IGameEngine *pGameEngine );
+	~CLobby();
+
+	// sets which lobby to display
+	void SetLobbySteamID( const CSteamID &steamIDLobby );
+
+	// Run a frame (to handle KB input and such as well as render)
+	void RunFrame();
+
+private:
+	CSteamID m_steamIDLobby;
+
+	// Pointer to engine instance (so we can draw stuff)
+	IGameEngine *m_pGameEngine;
+
+	// Menu object
+	CLobbyMenu *m_pMenu;
+
+	// user state change handler
+	STEAM_CALLBACK( CLobby, OnPersonaStateChange, PersonaStateChange_t, m_CallbackPersonaStateChange );
+
+	// lobby state change handler
+	STEAM_CALLBACK( CLobby, OnLobbyDataUpdate, LobbyDataUpdate_t, m_CallbackLobbyDataUpdate );
+	STEAM_CALLBACK( CLobby, OnLobbyChatUpdate, LobbyChatUpdate_t, m_CallbackChatDataUpdate );
+};
+
+
+// an item in the list of lobbies we've found to display
+struct Lobby_t
+{
+	CSteamID m_steamIDLobby;
+	char m_rgchName[256];
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Displaying and allows selection from a list of lobbies
+//-----------------------------------------------------------------------------
+class CLobbyBrowser
+{
+public:
+	CLobbyBrowser( IGameEngine *pGameEngine );
+	~CLobbyBrowser();
+
+	// rebuild the list
+	void Refresh();
+
+	// Run a frame (to handle KB input and such as well as render)
+	void RunFrame();
+
+private:
+	// Pointer to engine instance (so we can draw stuff)
+	IGameEngine *m_pGameEngine;
+
+	// Track whether we are in the middle of a refresh or not
+	bool m_bRequestingLobbies;
+
+	// Menu object
+	CLobbyBrowserMenu *m_pMenu;
+
+	CCallResult<CLobbyBrowser, LobbyMatchList_t> m_SteamCallResultLobbyMatchList;
+	void OnLobbyMatchListCallback( LobbyMatchList_t *pLobbyMatchList, bool bIOFailure );
+	STEAM_CALLBACK( CLobbyBrowser, OnLobbyDataUpdatedCallback, LobbyDataUpdate_t, m_CallbackLobbyDataUpdated );
+
+	std::list< Lobby_t > m_ListLobbies; 
+};
+
+
+#endif //LOBBY_H