networking

external/steamworks/steamworksexample/ServerBrowser.h

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+//========= Copyright © 1996-2008, Valve LLC, All rights reserved. ============
+//
+// Purpose: Class for handling finding servers, getting their details, and displaying
+// them inside the game
+//
+// $NoKeywords: $
+//=============================================================================
+
+#ifndef SERVERBROWSER_H
+#define SERVERBROWSER_H
+
+#include "SpaceWar.h"
+#include "GameEngine.h"
+#include "BaseMenu.h"
+#include <list>
+
+class CSpaceWarClient;
+class CServerBrowserMenu;
+
+
+// Class to encapsulate game server data
+class CGameServer
+{
+public:
+	CGameServer( gameserveritem_t *pGameServerItem );
+
+	const char* GetName() { return m_szServerName; }
+
+	const char* GetDisplayString() { return m_szServerString; }
+
+	uint32 GetIP() { return m_unIPAddress; }
+
+	int32 GetPort() { return m_nConnectionPort; }
+	CSteamID GetSteamID()	{ return m_steamID; }
+
+private:
+	uint32 m_unIPAddress;			// IP address for the server
+	int32 m_nConnectionPort;		// Port for game clients to connect to for this server
+	int m_nPing;					// current ping time in milliseconds
+	char m_szMap[32];				// current map
+	char m_szGameDescription[64];	// game description
+	int m_nPlayers;					// current number of players on the server
+	int m_nMaxPlayers;				// Maximum players that can join this server
+	int m_nBotPlayers;				// Number of bots (i.e simulated players) on this server
+	bool m_bPassword;				// true if this server needs a password to join
+	bool m_bSecure;					// Is this server protected by VAC
+	int	m_nServerVersion;			// server version as reported to Steam
+	char m_szServerName[64];		// Game server name
+	char m_szServerString[128];		// String to show in server browser
+	CSteamID m_steamID;
+};
+
+class CServerBrowser : public ISteamMatchmakingServerListResponse
+{
+public:
+	CServerBrowser( IGameEngine *pGameEngine );
+	~CServerBrowser();
+
+	// Initiate a refresh of internet servers
+	void RefreshInternetServers();
+
+	// Initiate a refresh of LAN servers
+	void RefreshLANServers();
+
+	// Run a frame (to handle kb input and such as well as render)
+	void RunFrame();
+
+	// ISteamMatchmakingServerListResponse
+	void ServerResponded( HServerListRequest hReq, int iServer );
+	void ServerFailedToRespond( HServerListRequest hReq, int iServer );
+	void RefreshComplete( HServerListRequest hReq, EMatchMakingServerResponse response );
+
+private:
+
+	// Pointer to engine instance (so we can draw stuff)
+	IGameEngine *m_pGameEngine;
+
+	// Track the number of servers we know about
+	int m_nServers;
+
+	// Track whether we are in the middle of a refresh or not
+	bool m_bRequestingServers;
+
+	// Track what server list request is currently running
+	HServerListRequest m_hServerListRequest;
+
+	// Menu object
+	CServerBrowserMenu *m_pMenu;
+
+	// List of game servers
+	std::list< CGameServer > m_ListGameServers; 
+};
+
+#endif //SERVERBROWSER_H