Alien Swarm Deferred
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Alien Swarm Deferred was released in 2012. It's a third-party mod created by Kristjan Skutta a.k.a. Biohazard90.
This fork of 
Alien Swarm has support for deferred lighting and shadows (Similar to 
Black Mesa). It's among very few 
Source games that have dynamic shadows not based on projected textures, while still having its source code available to the public. Performance-wise, it is extremely impressive as the mod can support hundreds of dynamic shadows with very little performance impact.
Features
New since Alien Swarm:
- CSM
- Real time shadows and lighting from Light environment, Light, Projected texture, and Point spotlight entities.
Blinn–Phong reflection model- New reflections on Phong materials.
- Volumetric lighting
- Similar to
Source Filmmaker. - Source shader editor
- Make and edit shader graphs in real-time, in-engine.
- Light editor
- Edit your map's light entities dynamically.
Media
Light editor
Light editor can be opened with TAB.
 |
Show properties
Edit your currently selected light's properties.
 |
Edit global light
Settings for dynamic lighting and shadows coming from Light environment.
 |
VMF handling
Load, edit and save your VMF's lights.
Debug
- Turn on and off deferred statics
- Render modes:
- None
- Light
- Dept
- Normal
Availability
Lambda Wars
Director's Cut (Initially. Switched to 
Source 2013)
Bugs
- No hardware filtering support for
Advanced Micro Devices
See also
External links
- Download at Google Drive
- GitLab Repository Download Mirror
- 2013MP Port GitHub Repository
- YouTube - Deferred lighting in action.