MapMixer is a mutator and is used as any other mutator by adding it to the list of mutators when setting up a game.
You may include any other mutator along with MapMixer in UT2003's mutator selection menu, however MapMixer can provide extra functionality by using it's own mutator selection process instead (See Mutators).
It is recommended that you at least read the Concepts section (see index).
A mutator configuration interface is provided and operated in the usual way by selecting the mutator in UT2003's mutator list and selecting the Configure Mutator button. This gives you access to the main features of MapMixer, allowing you to control what it does.
MapMixer provides two in-game menus: Remote Admin and Client Config. The Remote Admin Menu allows a client to control certain aspects of the server running MapMixer. The Client Config enables each user connected to a server running MapMixer to alter client specific settings. The Remote Admin Menu requires administrator rights (also see Client Auto Login), whereas the Client Config is accessible by everyone.
MapMixer provides four keys in the UT2003 Controls section of the Settings Menu. You may of course manually bind any of MapMixer's console commands to keys but these four are provided in the Settings menu for easy access.
Note that on Network Clients, the Client Configuration and Admin menus/windows can be assigned client-side via console commands. So if the client doesn't have the full mutator package installed then they will have to use the console to bind the Client and Admin menus to keys. However, MapMixer will attempt to auto assign these two keys after the match begins for those clients who have not set them up.
The purpose of a mutator is not to alter the rules of a Game Type but to modify the game play. MapMixer adheres to this directive and its main purpose is administrative. The user sets up their game in the usual way, making sure MapMixer is included in the list of mutators and configured via the mutator config menu. Once a game is started, MapMixer takes over some of the administrative functionality of UT2003. The key point for consideration here is that it is up to the user to setup the first map and then MapMixer can take over things such as map choices, depending on how you want to use it. However, MapMixer can perform most of it's Mutator Configurations on the first map choice. You can also use the Reload First Map in Map List option to give MapMixer full control over the first map.
In short, this means that because MapMixer is a mutator, it still requires the user to setup and start a game, as Mutators only come into effect after a game is started.