StartGame

struct NetHost {
    uint32 m_Port; //! Port if TCP/IP.  If zero, it uses the default.
	wchar_t m_sBindToAddr[MAX_HOSTIP_LEN]; // specifies the IP address to bind to.  If empty, binds to all
    uint32 m_dwFlags;
    uint32 m_dwMaxConnections;
    wchar_t m_sName[MAX_NETSESSIONNAME_LEN];
    bool m_bHasPassword;
	uint8 m_nGameType;
};
class NetSession {
public:
    NetSession() {Clear();}
    virtual ~NetSession() {}


    void Clear() {
        m_dwFlags = 0;
        m_dwMaxConnections = 0;
        m_dwCurConnections = 0;
        m_Ping = 0;
        m_sName[0] = 0;
        m_bHasPassword = false;
        m_HostIP[0] = 0;
        m_HostPort = NO_HOST_PORT;
        m_pNext = NULL;
		m_nGameType = 0;
    }


    uint32 m_dwFlags;
    LTGUID m_guidApp;
    LTGUID m_guidInst;
    uint32 m_dwMaxConnections;
    uint32 m_dwCurConnections;
    uint32 m_Ping; //! Ping time in milliseconds.


/*!
Host info.  0 length string and NO_HOST_PORT if not on TCP/IP.
*/
    wchar_t m_HostIP[MAX_HOSTIP_LEN];
    uint32 m_HostPort;


    wchar_t m_sName[MAX_NETSESSIONNAME_LEN];
	bool m_bHasPassword;
	uint8 m_nGameType;
    NetSession *m_pNext;
};
class StartGameRequest
{
public:
    
    enum
    {
        kInvalidSocket = -1,
    };


public:
    StartGameRequest() 
    {
        m_Type = STARTGAME_NORMAL;
        m_WorldName[0]    = '\0';
        m_TCPAddress[0] = '\0';
        m_pGameInfo        = NULL;
        m_GameInfoLen = 0;
        m_pNetSession    = NULL;
        m_pClientData    = NULL;
        m_ClientDataLen = 0;
        m_nSocket = ( uint32 )kInvalidSocket;
    }
    int m_Type;
    char m_WorldName[MAX_SGR_STRINGLEN];
    uint32 m_nSocket;
    char m_TCPAddress[MAX_SGR_STRINGLEN];
    NetSession *m_pNetSession;
    NetHost m_HostInfo;
    void *m_pGameInfo;
    uint32 m_GameInfoLen;
    void *m_pClientData;
    uint32 m_ClientDataLen;
};

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Code:
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void __cdecl StartGame(StartGameRequest* pRequest)
{
    _asm
    {
        MOV ECX, DWORD PTR DS:[377A0198]
        MOV EDX, DWORD PTR DS:[ECX]
        MOV EDX, DWORD PTR DS:[EDX+80]
        PUSH pRequest
        CALL EDX
    }
}