refs #308 Instead of enumerating hosts, use the well known host url

Since we are hosting in the same process, we can get the URL from the host
object and pass it to new clients.

src/plugins/simulator/fs9/directplay_peer.cpp

@@ -9,6 +9,7 @@
 
 #include "directplay_peer.h"
 #include "multiplayer_packet_parser.h"
+#include "blacksimplugin_freefunctions.h"
 #include <QDebug>
 #include <QTimer>
 #include <QFile>
@@ -253,6 +254,24 @@ namespace BlackSimPlugin
             return hr;
         }
 
+        HRESULT CDirectPlayPeer::createHostAddress()
+        {
+            HRESULT hr = S_OK;
+
+            // Create our IDirectPlay8Address Device Address
+            if( FAILED( hr = CoCreateInstance( CLSID_DirectPlay8Address, nullptr,
+                                               CLSCTX_INPROC_SERVER,
+                                               IID_IDirectPlay8Address,
+                                               reinterpret_cast<void**>(&m_deviceAddress) ) ) )
+                return printDirectPlayError(hr);
+
+            // Set the SP for our Device Address
+            if( FAILED( hr = m_deviceAddress->SetSP( &CLSID_DP8SP_TCPIP ) ) )
+                return printDirectPlayError(hr);
+
+            return S_OK;
+        }
+
         HRESULT CDirectPlayPeer::sendMessage( const QByteArray &message)
         {
             HRESULT hr = S_OK;