Here's some information about wall tags and what they do.
Walls tagged [1,0]
A wall with a Hi-Tag of 1 is excluded from all types of lighting effects (its shade is forced to remain consistent).
Walls tagged [0,MirrorSound]
Any wall with the MIRROR
(#560) texture will play MirrorSound
when a player presses the action button on the mirror.
Walls tagged [0,Channel]
Any wall with a DOORTILE
texture and a Channel
Lo-Tag can trigger an effect when operated. Link the Channel
value of the DOORTILE
texture to an Activator (or ActivatorLocked/MasterSwitch). When the
player presses the action button on the texture, the Activator (or
ActivatorLocked/MasterSwitch) will be triggered. It is also possible to activate the texture by kicking it! This is compatible with any texture that has the name DOORTILE
appended to it: #150-159, #395, #447-449, #717, #781, #1102, #1144, #1169, #1178, #1179, #4391.
Note: An ActivatorLocked should not be used to unlock the same door using the DOORTILE
texture, because everytime the player attempts to open it, the DOORTILE
texture will simply trigger the ActivatorLocked and lock the door again!