// Network.h

#pragma once

#include "dplay.h"

/////////////////////////////////////////////////////////////////////////////

#define MAXSESSION 100
#define MAXPLAYERS 4

typedef struct
{
	char  bIsPresent;
	char  ready;
	char  unk_2;
	char  unk_3;
	DPID  dpid;
	short team;
	char  name[22];
}
NetPlayer;

typedef struct
{
	GUID guid;
	char name[100];
}
NamedGUID;

typedef struct
{
	int nb;
	NamedGUID * list[MAXSESSION];
}
NamedGUIDList;

class CNetwork
{
public:
	CNetwork();
	~CNetwork();

	BOOL EnumProviders();
	BOOL GetNbProviders();
	char * GetProviderName(int index);
	BOOL CreateProvider(int index);
	void FreeProviderList();
	BOOL EnumSessions();
	char * GetSessionName(int index);
	BOOL JoinSession(int index);
	void FreeSessionList();
	BOOL CreateSession(char * pName);
	BOOL Send(LPVOID lpData, DWORD dwDataSize, DWORD dwFlags);
	BOOL Receive(LPVOID pDest, DWORD dwDataSize, LPDWORD lpdwPlayer);
	BOOL Close();
	void FreeUnknownList();
	BOOL IsHost();

protected:
    LPDIRECTPLAY2	m_pDP;
	NamedGUIDList	m_providers;
	NamedGUIDList	m_sessions;
	NamedGUIDList	m_unknown;
	BOOL			m_bHost;
	DPID			m_dpid;
	NetPlayer		m_players[4];
};

static BOOL EnumProvidersCallback(LPGUID lpguidSP, LPSTR lpSTName,
	DWORD dwMajorVersion, DWORD dwMinorVersion, NamedGUIDList * lpContext);

static BOOL EnumSessionsCallback(LPDPSESSIONDESC2 lpThisSD,
	LPDWORD lpdwTimeOut, DWORD dwFlags, NamedGUIDList * lpContext);

void TraceErrorDP(HRESULT hErr);