I'm in the process of making a Map editor. At the moment you can add objects and lights and you can save the maps and lod them in DB. The next thing I will do is add sounds and maybe a matrix editor.
However, when the user adds an object, it is like making a new object each time, which will have an effect on speed in a final game. When the file can be loaded into DB, i have added a command to make the objects static objects and have put object occlusion on, which I thought would increase the speed slightly. However, should I be doing it a different way (this question goes particularly to people who have made map editors...

), ie. making all the objects into meshes and then adding additional objects on as limbs - would this increase speed or not?
Thanks
Robin
http://www.thegameszone.has.it