Reduce dynamic light intensity with linedef

[Subatomic]

Is there any way to reduce the intensity of a dynamic light when the player walks over a linedef? I'm using GZDoom Builder v2.3.0.2464 and mapping in "GZDoom: Doom 2 (Hexen format)", if that's relevant.

Basically, I have a small pillar with green armor on it. I have a dynamic light colored green to give the effect that the armor is glowing. What I want to do then is have a linedef that, when the player walks over it, turns this light "off" and gives the appearance that picking up the item removed the glow effect of the light on the walls. Is this possible? If so, how?

[Gez]

http://zdoom.org/wiki/Classes:PointLight
"All dynamic lights can be toggled on and off with Thing_Activate and Thing_Deactivate."

You can also tie a light to a sector's light level:
http://zdoom.org/wiki/Classes:SectorPointLight

[Subatomic]

Thanks, Gez, that's exactly what I needed. :)