…protocol.

This is done by:
1) Implementing said protocol in a new controller input class CemuHookUDPServer.
2) Adding functionality in the WiimoteEmu class for pushing that motion input to the emulated Wiimote and MotionPlus.
3) Suitably modifying the UI for configuring an Emulated Wii Remote.

The only setting inside, "Background Input", doesn't seem advanced to me, but it is used for both GC an Wii input.

Accessed through button "Alternate Input Sources" in the "Controller Settings" dialog.

…lanation of and button to open Alternate Input Sources window.

…UDPClient"/"DSUClient".