execute in server mode

so that UI doesn't open

Author: vkovec

Assets/FbxExporters/Editor/InstallIntegration.cs

@@ -503,7 +503,7 @@ public static int InstallMaxPlugin(string maxExe){
                 myProcess.StartInfo.CreateNoWindow = true;
                 myProcess.StartInfo.UseShellExecute = false;
 
-                myProcess.StartInfo.Arguments = string.Format("-q -silent -mxs \"{0}\"", installScript);
+                myProcess.StartInfo.Arguments = string.Format("-s -q -silent -mxs \"{0}\"", installScript);
 
                 myProcess.EnableRaisingEvents = true;
                 myProcess.Start();

Assets/Integrations/Autodesk/max/scripts/UnityFbxForMaxPlugin.ms

@@ -71,7 +71,6 @@ macroScript UnityExport category:"File-Export"
     )
     else(
         unityProjectPath = getINISetting (GetMAXIniFile()) "Unity" "UnityProject"
-        exportFileName = getSaveFileName caption:"Export FBX to Unity" filename:unityProjectPath types:"FBX (*.fbx)|*.fbx|"
         exportFileName = getSaveFileName caption:"Export FBX to Unity" filename:(unityProjectPath + "/Assets/") types:"FBX (*.fbx)|*.fbx|"
     )