light_deferred_global
light_deferred_global is a point entity available in 
Alien Swarm Deferred and 
Lambda Wars.
It creates real-time shadows and lighting coming from the sun. Similar to env_cascade_light. While this entity can be edited in Hammer, it's preferable to use the games light editor as you can see what you are doing.
In code, it is represented by theCDeferredLightGlobalclass, defined in theCDefLightGlobal.cppfile.
Confirm:Does this entity also exists in 
Portal 2: Desolation?Keyvalues
- Name
(targetname)<string> - The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g.
parentnameortarget).
Also displayed in Hammer's 2D views and Entity Report.See also: Generic Keyvalues, Inputs and Outputs available to all entities
- Pitch Yaw Roll (Y Z X)
(angles)<angle> - This entity's orientation in the world. Pitch is rotation around the Y axis, yaw is the rotation around the Z axis, roll is the rotation around the X axis.
- Color diffuse
(diffuse)<color255 + int> - Sets the light's color and brightness.
- Color ambient high
(ambient_high)<color255 + int> - Sets the light's ambient color and brightness.
- Color ambient low
(ambient_low)<color255 + int> - Todo: Whats the difference between this and High?
- Fade interval time
(fadetime)<float> - Todo: What does this do?
Flags
Enabled : [1]
- Turns the light on.
Enable shadow : [2]
- Enables dynamic shadows.
Enable transitions : [4]
Todo: what does this do?
