Adds disco light floor (#20109)

* Adds disco light floor

* Fixes tiles not stacking

* Fixes linter issue

* Update code/game/turfs/simulated/floor/light_floor.dm

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* Update code/game/turfs/simulated/floor/light_floor.dm

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* Update code/__HELPERS/lists.dm

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>

* Replaces shitcode with simple solutions

* Update code/game/turfs/simulated/floor/light_floor.dm

Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>

* pick excluding

Co-authored-by: Farie82 <farie82@users.noreply.github.com>

* pick instead of rand

Co-authored-by: Farie82 <farie82@users.noreply.github.com>

* Simplifies the color change process

* forgor setting current_color

Co-authored-by: Farie82 <farie82@users.noreply.github.com>

* proper autodoc format

Co-authored-by: AffectedArc07 <25063394+AffectedArc07@users.noreply.github.com>
Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>
Co-authored-by: Farie82 <farie82@users.noreply.github.com>

_maps/map_files/generic/centcomm.dmm

@@ -6249,6 +6249,7 @@
 /obj/machinery/light/spot,
 /obj/effect/spawner/lootdrop/trade_sol/serv,
 /obj/structure/closet,
+/obj/item/stack/tile/disco_light/thirty,
 /turf/simulated/floor/mineral/titanium,
 /area/shuttle/trade/sol)
 "wb" = (

code/__HELPERS/lists.dm

@@ -855,3 +855,7 @@
 			return FALSE
 
 	return TRUE
+
+// Pick something else from a list than we last picked
+/proc/pick_excluding(list/l, exclude)
+	return pick(l - exclude)

code/game/objects/items/stacks/tiles/tile_types.dm

@@ -260,3 +260,14 @@
 
 /obj/item/stack/tile/arcade_carpet/loaded
 	amount = 20
+
+/obj/item/stack/tile/disco_light
+	name = "disco light tiles"
+	singular_name = "disco light tile"
+	desc = "A sheet of disco light tile."
+	icon_state = "tile_disco"
+	turf_type = /turf/simulated/floor/light/disco
+	merge_type = /obj/item/stack/tile/disco_light
+
+/obj/item/stack/tile/disco_light/thirty
+	amount = 30

code/game/turfs/simulated/floor/light_floor.dm

@@ -111,3 +111,42 @@
 	var/color_save = color
 	..()
 	color = color_save
+
+// These tiles change color every now and then
+/turf/simulated/floor/light/disco
+	floor_tile = /obj/item/stack/tile/disco_light
+	/// Cannot change its color with a multitool
+	can_modify_colour = FALSE
+	/// The tile can change into these colors
+	var/list/available_colors = list("#d41e3c", "#ed7b39", "#fff540", "#77b02a", "#488bd4", "#b0fff1", "#94007a", "#ff417d")
+	/// This is our current color, don't pick it again
+	var/current_color
+
+// We pick a random color when we are spawned
+/turf/simulated/floor/light/disco/Initialize()
+	. = ..()
+	START_PROCESSING(SSobj, src)
+
+// The animation happens in this proc
+/turf/simulated/floor/light/disco/proc/change_color()
+	current_color = pick_excluding(available_colors, current_color)
+	animate_fade_to_color_fill(src, current_color, 2)
+
+// We change colors every now and then
+/turf/simulated/floor/light/disco/process()
+	if(on)
+		change_color()
+
+// Admins can toggle its color with advanced admin interaction
+/turf/simulated/floor/light/disco/attack_ghost(mob/user)
+	if(user.can_advanced_admin_interact())
+		change_color()
+
+// One is able to restart it, if power runs out. However, it cannot be turned off!
+/turf/simulated/floor/light/disco/attack_hand(mob/user)
+	if(!on)
+		toggle_light(TRUE)
+
+/turf/simulated/floor/light/disco/Destroy()
+	STOP_PROCESSING(SSobj, src)
+	return ..()