Adds Professor DUMMY to the CMO office, accessible by the CMO and the SEA

code/game/objects/items/devices/dummy_tablet.dm

@@ -1,12 +1,12 @@
 /obj/item/device/professor_dummy_tablet
 	icon = 'icons/obj/items/devices.dmi'
-	name = "Professor DUMMY tablet"
+	name = "\improper Professor DUMMY tablet"
 	desc = "A Professor DUMMY Control Tablet."
 	suffix = "\[3\]"
 	icon_state = "Cotablet"
 	item_state = "Cotablet"
 
-	var/mob/living/carbon/human/linked_dummy
+	var/mob/living/carbon/human/dummy/professor_dummy/linked_dummy
 
 /obj/item/device/professor_dummy_tablet/Destroy()
 	linked_dummy = null
@@ -21,23 +21,38 @@
  */
 /obj/item/device/professor_dummy_tablet/proc/is_adjacent_to_dummy(mob/user)
 	if (get_dist(linked_dummy, user) > 1)
-		to_chat(user, "You are too far away to use the tablet.")
+		to_chat(user, SPAN_WARNING("You are too far away from the dummy to use its tablet."))
 		return FALSE
-
 	return TRUE
 
-/obj/item/device/professor_dummy_tablet/proc/link_mob(mob/living/carbon/human/H)
-	linked_dummy = H
+/obj/item/device/professor_dummy_tablet/proc/link_mob(mob/user)
+	for(var/mob/living/carbon/human/dummy/professor_dummy/dummy_to_link in range(1))
+		if(dummy_to_link)
+			linked_dummy = dummy_to_link
+			RegisterSignal(linked_dummy, COMSIG_PARENT_QDELETING, PROC_REF(clear_linked_mob))
+			if(user)
+				balloon_alert(user, "new dummy registered")
+			return TRUE
+	if(user)
+		balloon_alert(user, "no dummy detected nearby")
+	return FALSE
+
+/obj/item/device/professor_dummy_tablet/proc/clear_linked_mob()
+	SIGNAL_HANDLER
+
+	UnregisterSignal(linked_dummy, COMSIG_PARENT_QDELETING)
+	linked_dummy = null
 
 /obj/item/device/professor_dummy_tablet/attack_self(mob/user as mob)
 	..()
 	interact(user)
 
 /obj/item/device/professor_dummy_tablet/interact(mob/user as mob)
-	if (isnull(linked_dummy))
+	if(isnull(linked_dummy))
+		link_mob(user)
 		return
 
-	if (!is_adjacent_to_dummy(user))
+	if(!is_adjacent_to_dummy(user))
 		return
 
 	user.set_interaction(src)

code/game/objects/structures/crates_lockers/closets/secure/medical.dm

@@ -171,3 +171,38 @@
 	. = ..()
 	new /obj/item/storage/surgical_tray(src)
 	new /obj/item/roller/surgical(src)
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy
+	name = "professor dummy cabinet"
+	desc = "An ultrasafe cabinet containing Professor DUMMY and its tablet. Only accessible by Chief Medical Officers and Senior Listed Advisors."
+	unacidable = TRUE
+	unslashable = TRUE
+	store_mobs = TRUE
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy/Initialize()
+	. = ..()
+	new /obj/item/device/professor_dummy_tablet(src)
+	new /mob/living/carbon/human/dummy/professor_dummy(src)
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy/togglelock(mob/living/user)
+	if(user.job == JOB_CMO || user.job == JOB_SEA)
+		..()
+		return
+
+	to_chat(user, SPAN_WARNING("Only the [JOB_CMO] or the [JOB_SEA] can toggle this lock."))
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy/dump_contents()
+	if(locate(/mob/living/carbon/human/dummy/professor_dummy) in src)
+		visible_message(SPAN_HIGHDANGER("Professor DUMMY should only be used for teaching medical personnel, exclusively done by the [JOB_CMO] or the [JOB_SEA]. Do not abuse it."))
+	..()
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy/toggle(mob/living/user)
+	if(opened)
+		for(var/mob/M in loc)
+			if(!istype(M, /mob/living/carbon/human/dummy/professor_dummy))
+				visible_message(SPAN_WARNING("[src] won't budge!"))
+				return
+	..()
+
+/obj/structure/closet/secure_closet/surgical/professor_dummy/flashbang(datum/source, obj/item/explosive/grenade/flashbang/FB)
+	return

code/modules/mob/living/carbon/human/human_dummy.dm

@@ -74,11 +74,31 @@ GLOBAL_LIST_EMPTY(dummy_mob_list)
 /mob/living/carbon/human/dummy/add_to_all_mob_huds()
 	return
 
-
 /mob/living/carbon/human/dummy/tutorial // Effectively an even more disabled dummy
 
 /mob/living/carbon/human/dummy/tutorial/Initialize(mapload)
 	. = ..()
 	status_flags = GODMODE
 	ADD_TRAIT(src, TRAIT_IMMOBILIZED, TRAIT_SOURCE_TUTORIAL)
 	anchored = TRUE
+
+// Used by the CMO and the SEA for teaching medical personnel
+/mob/living/carbon/human/dummy/professor_dummy/Initialize(mapload)
+	. = ..()
+	change_real_name(src, "Professor DUMMY")
+	return INITIALIZE_HINT_ROUNDSTART
+
+// It should absolutely self-destroy upon hijack, so xenos don't get an effectively godmoded mob
+/mob/living/carbon/human/dummy/professor_dummy/LateInitialize()
+	if(is_mainship_level(z) && istype(SSticker.mode, /datum/game_mode/colonialmarines))
+		RegisterSignal(SSdcs, COMSIG_GLOB_HIJACK_LANDED, PROC_REF(destroy_upon_hijack))
+
+/mob/living/carbon/human/dummy/professor_dummy/proc/destroy_upon_hijack()
+	SIGNAL_HANDLER
+
+	visible_message(SPAN_WARNING("The [src] suddenly disintegrates!"))
+	dust(create_cause_data("hijack autodelete"))
+
+/mob/living/carbon/human/dummy/professor_dummy/Destroy()
+	UnregisterSignal(src, COMSIG_GLOB_HIJACK_LANDED)
+	return ..()

maps/map_files/USS_Almayer/USS_Almayer.dmm

@@ -7504,6 +7504,9 @@
 	pixel_y = 16
 	},
 /obj/item/clothing/accessory/stethoscope,
+/obj/structure/closet/secure_closet/surgical/professor_dummy{
+	pixel_x = -32
+	},
 /turf/open/floor/almayer{
 	dir = 8;
 	icon_state = "sterile_green_corner"
@@ -19311,9 +19314,9 @@
 	},
 /area/almayer/medical/morgue)
 "cnZ" = (
-/obj/item/tool/surgery/hemostat,
-/obj/item/tool/surgery/scalpel,
 /obj/structure/surface/table/reinforced/prison,
+/obj/item/tool/surgery/scalpel,
+/obj/item/tool/surgery/hemostat,
 /turf/open/floor/almayer{
 	dir = 8;
 	icon_state = "sterile_green_corner"