Happy BirthDay, Quake!
[email protected] is a heavily modified Quake2 port. Mainly modified was renderer, also changed game code, client and server. Squished a lot of bugs. Engine uses own net-protocol, but old Quake2 protocol is fully supports (some new features will not work with Q2 protocol).
There are 3 mods based on idTech3 engines:
- [email protected] – based on Quake3 1.32b,
- [email protected]_mme – based on Quake3mme (Movie Maker Edition),
- [email protected] – based on RTCW-SP.
Main feature of these mods is Per-Pixel-Lighting (PPL) renderer, which based on Deferred Lighting aka Light Pre-Pass Deferred Rendering.
There are 3 render paths:
- Classic renderer,
- Fake PPL renderer,
- True PPL renderer.
Shadows rendered by shadow mapping technology, sun shadows uses cascaded shadow mapping (CSM).