/datum/mob_hud

Procs
add_hud_to	Allow user to view a HUD (e.g. putting on medical glasses)
add_to_hud	"Enroll" a target into the HUD. (let others see the HUD on target)
refresh_hud	Refreshes the HUD, adding user and sources if missing and then calls to add the HUD
remove_from_hud	Stop rendering a HUD on a target ("unenroll" them so to speak)
remove_from_single_hud	Removes target from user's client's images.
remove_hud_from	Stop displaying a HUD to a specific person (e.g. took off medical glasses)

Proc Details

Allow user to view a HUD (e.g. putting on medical glasses)

"Enroll" a target into the HUD. (let others see the HUD on target)

Refreshes the HUD, adding user and sources if missing and then calls to add the HUD

Stop rendering a HUD on a target ("unenroll" them so to speak)

Removes target from user's client's images.

Stop displaying a HUD to a specific person (e.g. took off medical glasses)