Alien Swarm Deferred

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 Xengine). 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.

Important:Alien Swarm Deferred's lighting implementation and Black Mesa's are completely different, for example MSAA is not supported in Black Mesa while in Alien Swarm Deferred it is!

Features

New since Alien Swarm:

CSM

Real time deferred shadows and lighting from Light_deferred and Light_deferred_global entities.

Cookie usage with dynamic lighting

Now Light_deferred and Light_deferred_global are capable of projecting textures.

 Blinn–Phong reflection model

New reflections on Phong materials, somewhat similar to specular from Xengine.

Volumetric lighting

Deferred lights are capable of enabling volumetrics that react to the environment in realtime.

Source shader editor

Make and edit shader graphs in real-time, in-engine.

Light editor

Edit your map's light entities dynamically.

Media

Phong reflections

Volumetric lights and god rays

Realtime shadows

Availability

• 2014 Lambda Wars
• TBA Director's Cut (Initially. Switched to Source 2013)
• TBA Portal 2: Desolation (Light editor only, the rendering code has been rewritten from scratch)

Bugs

• No hardware filtering support for Advanced Micro Devices

See also

• Engine branches
• Alien Swarm engine branch
• Mapbase
• CSM

External links

• Download at Google Drive
• GitLab Repository Download Mirror
• 2013MP Port GitHub Repository
• YouTube - Deferred lighting in action.