RCD Improvements + Holofans + fixes (#6738)

modular_chomp/code/game/objects/items/holosign_creator.dm

@@ -0,0 +1,64 @@
+/obj/item/weapon/holosign_creator
+	name = "holographic sign projector"
+	desc = "A handy-dandy holographic projector that displays a janitorial sign."
+	icon = 'icons/obj/device.dmi'
+	icon_state = "signmaker"
+	item_state = "electronic"
+	force = 0
+	w_class = 2
+	throwforce = 0
+	throw_speed = 3
+	throw_range = 7
+	var/list/signs = list()
+	var/max_signs = 10
+	var/creation_time = 0 //time to create a holosign in deciseconds.
+	var/holosign_type = /obj/structure/holosign/wetsign
+	var/holocreator_busy = FALSE //to prevent placing multiple holo barriers at once
+
+/obj/item/weapon/holosign_creator/afterattack(atom/target, mob/user, clickchain_flags, list/params)
+	. = ..()
+	if(!check_allowed_items(target, 1))
+		return
+	var/turf/T = get_turf(target)
+	var/obj/structure/holosign/H = locate(holosign_type) in T
+	if(H)
+		to_chat(user, "<span class='notice'>You use [src] to deactivate [H].</span>")
+		qdel(H)
+	else
+		if(!is_blocked_turf(T, TRUE)) //can't put holograms on a tile that has dense stuff
+			if(holocreator_busy)
+				to_chat(user, "<span class='notice'>[src] is busy creating a hologram.</span>")
+				return
+			if(signs.len < max_signs)
+				playsound(src.loc, 'sound/machines/click.ogg', 20, 1)
+				if(creation_time)
+					holocreator_busy = TRUE
+					if(!do_after(user, creation_time, target = target))
+						holocreator_busy = FALSE
+						return
+					holocreator_busy = FALSE
+					if(signs.len >= max_signs)
+						return
+					if(is_blocked_turf(T, TRUE)) //don't try to sneak dense stuff on our tile during the wait.
+						return
+				H = new holosign_type(get_turf(target), src)
+				to_chat(user, "<span class='notice'>You create \a [H] with [src].</span>")
+			else
+				to_chat(user, "<span class='notice'>[src] is projecting at max capacity!</span>")
+
+/obj/item/weapon/holosign_creator/attack_self(mob/user)
+	. = ..()
+	if(.)
+		return
+	if(signs.len)
+		for(var/H in signs)
+			qdel(H)
+		to_chat(user, "<span class='notice'>You clear all active holograms.</span>")
+
+/obj/item/weapon/holosign_creator/combifan
+	name = "ATMOS holo-combifan projector"
+	desc = "A holographic projector that creates holographic combi-fans that prevent changes in atmosphere and temperature conditions. Somehow."
+	icon_state = "signmaker_engi"
+	holosign_type = /obj/structure/holosign/barrier/combifan
+	creation_time = 0
+	max_signs = 3