function fast_ AddObj( appdir as filename, appname as filename, height as RwReal, ix as RwReal, iy as RwReal, iz as RwReal, xpos as int, ypos as int ) as boolean
function fast_ AddRoom( appdir as filename, appname as filename, height as RwReal, ix as RwReal, iy as RwReal, iz as RwReal, xpos as int, ypos as int ) as boolean