The open source Zircon engine ("DarkPlaces Mark V Project") is a modification DarkPlaces engine with a mouse driven menu everywhere, ALT-ENTER fullscreen/windowed switching and 88 other enhancements to support user/mapper/mod coder ease-of-use and optional conveniences for those interested in a "1996 Quake" experience. "csqc_full_width_height 1" in console when running Arcane Dimensions at this time It is hoped that some/many/all of these enhancements will eventually make it into official DarkPlaces. The Zircon engine seeks to keep full compatibility with DarkPlaces so either engine can be used interchangeably.
This is a 1000 PING, 20% PACKET LOSS coop multiplayer test in Zircon Engine with Zircon Free Move on running ObjectN.
Zircon Free Move is 100% client side movement.
It degrades to DarkPlaces Protocol 7 movement when standing on elevators and trains, to allow them to work properly.
When "Z" is shown in the top corner, Zircon Free Move is active. When DP7 is shown, Zircon Free Move is suspended -- this can occur when standing on any entity or getting pushed by a rotating door or a few other special situations.