code/game/machinery/status_display.dm 
| /obj/machinery/status_display | Status display which can show images and scrolling text. |
|---|---|
| /obj/effect/overlay/status_display_text | Nice overlay to make text smoothly scroll with no client updates after setup. |
| /obj/machinery/status_display/evac | Evac display which shows shuttle timer or message set by Command. |
| /obj/machinery/status_display/supply | Supply display which shows the status of the supply shuttle. |
| /obj/machinery/status_display/shuttle | General-purpose shuttle status display. |
| /obj/machinery/status_display/ai | Pictograph display which the AI can use to emote. |
| /obj/effect/abstract/greenscreen_location_indicator | Used to indicate where the greenscreen is recording |
| /obj/effect/abstract/greenscreen_appearance_holder | Basically exists to hold an appearance that we can slot into vis_contents |
| /obj/effect/abstract/greenscreen_display | Basically exists to compile a list of appearances to display to all status displays |
| /obj/machinery/greenscreen_camera | A stationary object which "records" anyone who is in front of it and broadcasts them to all status displays |
| /proc/send_status_display_alert | Send an emergency alert signal to all status displays alert_type: The picture state to display ("biohazard", "lockdown", "radiation", etc.) |
| /proc/clear_status_display_emergency | Clear a specific emergency type from status displays emergency_type: The specific type to clear ("biohazard", "lockdown", "radiation", etc.) If emergency_type is null, clears ALL emergencies |
| /proc/send_status_display_biohazard_alert | Send a biohazard alert signal to all status displays |
| /proc/send_status_display_lockdown_alert | Send a lockdown alert signal to all status displays |
| /proc/send_status_display_radiation_alert | Send a radiation alert signal to all status displays |
| /proc/clear_status_display_biohazard | Clear specific emergency types |