allows pAIs to place up to 5 holograms of things they have scanned (#6363)

code/modules/mob/living/silicon/pai/actions.dm

@@ -87,3 +87,21 @@
 
 	var/mob/living/silicon/pai/user = owner
 	button_visibility = (user.loc == user.card)
+
+/// Hologram Placement
+/datum/action/pai/place_hologram
+	name = "Place Hologram"
+	desc = "Place a hologram of a scanned object on the floor."
+	button_icon_state = "pai_place_hologram"
+
+/datum/action/pai/place_hologram/on_trigger(mob/living/silicon/pai/user)
+	user.prompt_hologram_placement()
+
+/// Delete All Holograms
+/datum/action/pai/delete_holograms
+	name = "Delete All Holograms"
+	desc = "Delete all placed holograms."
+	button_icon_state = "pai_delete_holograms"
+
+/datum/action/pai/delete_holograms/on_trigger(mob/living/silicon/pai/user)
+	user.delete_all_holograms()

code/modules/mob/living/silicon/pai/death.dm

@@ -1,4 +1,5 @@
 /mob/living/silicon/pai/death(gibbed)
+	delete_all_holograms()
 	if(card)
 		card.removePersonality()
 		src.loc = get_turf(card)

code/modules/mob/living/silicon/pai/hologram_effect.dm

@@ -0,0 +1,22 @@
+/obj/effect/pai_hologram
+	name = "blank hologram"
+	desc = "You shouldn't be seeing this!"
+
+	hit_sound_brute = 'sound/weapons/egloves.ogg'
+	hit_sound_burn = 'sound/weapons/egloves.ogg'
+
+	var/mob/living/silicon/pai/owner
+
+/obj/effect/pai_hologram/attackby(obj/item/W, mob/user)
+	hologram_destroy(user)
+
+/obj/effect/pai_hologram/attack_hand(mob/user, list/params)
+	hologram_destroy(user)
+
+/obj/effect/pai_hologram/proc/hologram_destroy(mob/user)
+	user.visible_message(SPAN_WARNING("[user] dissipates the holographic [src.name]"))
+	QDEL_NULL(src)
+
+/obj/effect/pai_hologram/Destroy()
+	owner.handle_hologram_destroy(src)
+	. = ..()

code/modules/mob/living/silicon/pai/pai.dm

@@ -1,3 +1,5 @@
+#define MAX_HOLOGRAMS 5
+
 /datum/category_item/catalogue/fauna/silicon/pai
 	name = "Silicons - pAI"
 	desc = "There remains some dispute over whether the 'p' stands \
@@ -123,7 +125,11 @@
 									 /datum/action/pai/change_chassis,
 									 /datum/action/pai/clothing_transform,
 									 /datum/action/pai/revert_to_card,
-									 /datum/action/pai/hologram_display)
+									 /datum/action/pai/hologram_display,
+									 /datum/action/pai/place_hologram,
+									 /datum/action/pai/delete_holograms)
+
+	var/list/active_holograms = list()
 
 /mob/living/silicon/pai/Initialize(mapload)
 	. = ..()
@@ -325,7 +331,7 @@
 		return /obj/item/clothing/suit
 
 /mob/living/silicon/pai/AltClickOn(var/atom/A)
-	if((isobj(A) || ismob(A)) && in_range_of(src, A) && !istype(A, /obj/item/paicard))
+	if((isobj(A) || ismob(A)) && in_range_of(src, A) && !istype(A, /obj/item/paicard) && !istype(A, /obj/effect/pai_hologram))
 		if(world.time > last_scanned_time + 600)
 			last_scanned_time = world.time
 			scan_object(A)
@@ -464,3 +470,34 @@
 		if(A.update_on_chassis_change)
 			A.update_button()
 	update_action_buttons()
+
+/mob/living/silicon/pai/proc/handle_hologram_destroy(var/obj/effect/pai_hologram/hologram)
+	active_holograms -= hologram
+
+/mob/living/silicon/pai/proc/place_hologram(var/scanned_object_name)
+	var/image/I = scanned_objects[scanned_object_name]
+	var/obj/effect/pai_hologram/hologram = new(get_turf(src))
+	hologram.icon = I
+	hologram.name = scanned_object_name
+	hologram.desc = "It's a holographic [scanned_object_name]."
+	hologram.owner = src
+	active_holograms += hologram
+
+/mob/living/silicon/pai/proc/delete_all_holograms()
+	for(var/obj/effect/pai_hologram/hologram in active_holograms)
+		QDEL_NULL(hologram)
+
+/mob/living/silicon/pai/proc/prompt_hologram_placement()
+	if(length(active_holograms) >= MAX_HOLOGRAMS)
+		to_chat(src, SPAN_NOTICE("You cannot have more than [MAX_HOLOGRAMS] holograms active!"))
+		return
+
+	var/scanned_item_to_show = tgui_input_list(usr, "Select Scanned Object", "Scanned Objects", scanned_objects)
+	if(scanned_item_to_show)
+		place_hologram(scanned_item_to_show)
+
+/mob/living/silicon/pai/UnarmedAttack(var/atom/A, var/proximity_flag)
+	if(istype(A, /obj/effect/pai_hologram))
+		A.attack_hand(src)
+
+#undef MAX_HOLOGRAMS

code/modules/mob/living/silicon/pai/verbs.dm

@@ -105,3 +105,17 @@
 	set desc = "Allows you to pick a scanned object to display from your holoprojector."
 
 	card_hologram_display()
+
+/mob/living/silicon/pai/verb/hologram_place()
+	set name = "Place Hologram"
+	set category = "pAI Commands"
+	set desc = "Allows you to deploy a holographic version of something you have scanned."
+
+	prompt_hologram_placement()
+
+/mob/living/silicon/pai/verb/delete_holograms()
+	set name = "Delete All Holograms"
+	set category = "pAI Commands"
+	set desc = "Allows you to delete all holograms you have placed."
+
+	delete_all_holograms()