Moreover, XashXT aka Xash Mod v0.6 is released also! XashXT is a mod for Xash3D and a toolkit for developers (such as Spirit of Half-Life, but a far more powerful). Now it contains a full documentation and full FGD. Here is a brief list of the new XashXT features:
- Full compatibility with the original Half-Life entity set.
- Support for forming complex hierarchies of entities (Parent System).
- Mirrors that can skip reflection of any specified object or, conversely, show ordinarily invisible objects.
- Surveillance monitors (colour and monochrome).
- Portals that can take you from one point to another (as in Portal, but more basic).
- Weather effects (rain and snow).
- A powerful particle system with a standalone visual editor.
- A system of prefixes for making complex scripted scenes[/li]
- An extended decal projection system that works on both level geometry and characters (players and NPCs).
- Realistic lasers that can be reflected off mirror surfaces (used in gameplay).
- A large set of logical entities for implementing any conditions in scripted scenes or complex arrangements.
- A camera with flexible settings for cutscenes, letting you switch to any character's point of view (including inanimate ones).
- Configuration options for setting the attitude of any NPC towards others and towards the player.
- Dynamic coloured lighting that can project and play an animated texture as a light source.
- Playback of AVI files on level polygons and brush objects.
- A 3D skybox for simulating expansive areas.
- Bloom effects.
- Support for HD textures (up to 4096x4096).
- Background maps in the game menu (as in Source).
- Support for large game levels (32768x32768x32768 units).
- Shadow maps for dynamic shadows.
- More believable lighting.
- Realistic rigid body physics powered by a third-party engine (PhysX).
- Realistic water.
- Dynamic day and night cycles.
http://www.moddb.com/engines/xash3d-engine/downloads
Official threads about Xash3D & Xash XT are at the HLFX.ru forums:
http://hlfx.ru/forum/forumdisplay.php?s=&forumid=1
The forum is on Russian, but you can use English too.
To try Xash3D and XashXT features you have to install Half-Life under Xash3D (build 2015) and then install XashXT v0.6 as a mod (in the main Xash3D directory).