Adds Floor Lights (and makes lights not have random ranges) (#26923)

* Adds Floor Lights

* undef

* remove TECHNICAL DEBT™

* remove more technical debt™

* mapping changes

code/game/objects/items/mountable_frames/light_frames.dm

@@ -22,6 +22,8 @@
 			newlight = new /obj/machinery/light_construct/small(constrloc)
 		if("tube")
 			newlight = new /obj/machinery/light_construct(constrloc)
+		if("floor")
+			newlight = new /obj/machinery/light_construct/floor(on_wall)
 		else
 			newlight = new /obj/machinery/light_construct/small(constrloc)
 	newlight.dir = constrdir
@@ -40,3 +42,13 @@
 	icon_state = "bulb-construct-item"
 	fixture_type = "bulb"
 	metal_sheets_refunded = 1
+
+/obj/item/mounted/frame/light_fixture/floor
+	name = "floor light fixture frame"
+	desc = "Used for building floor lights."
+	icon = 'icons/obj/lighting.dmi'
+	icon_state = "floor-construct-item"
+	fixture_type = "floor"
+	metal_sheets_refunded = 3
+	buildon_types = list(/turf/simulated/floor)
+	allow_floor_mounting = TRUE

code/game/objects/items/mountable_frames/mountables.dm

@@ -3,35 +3,30 @@
 		/turf/simulated/mineral/ancient,
 		/turf/simulated/wall
 	)
+	var/allow_floor_mounting = FALSE
 
 
 /obj/item/mounted/afterattack(atom/A, mob/user, proximity_flag)
-	var/found_type = 0
-	for(var/turf_type in src.buildon_types)
-		if(istype(A, turf_type))
-			found_type = 1
-			break
-
-	if(found_type)
+	if(is_type_in_list(A, buildon_types))
 		if(try_build(A, user, proximity_flag))
 			return do_build(A, user)
-	else
-		..()
+	..()
 
 /obj/item/mounted/proc/try_build(turf/on_wall, mob/user, proximity_flag) //checks
 	if(!on_wall || !user)
 		return
-	if(proximity_flag != 1) //if we aren't next to the wall
-		return
-	if(!( get_dir(on_wall,user) in GLOB.cardinal))
-		to_chat(user, "<span class='warning'>You need to be standing next to a wall to place \the [src].</span>")
+	if(!proximity_flag) //if we aren't next to the turf
 		return
+	if(!allow_floor_mounting)
+		if(!(get_dir(on_wall, user) in GLOB.cardinal))
+			to_chat(user, "<span class='warning'>You need to be standing next to [on_wall] to place [src].</span>")
+			return
 
-	if(gotwallitem(get_turf(user), get_dir(on_wall,user)))
-		to_chat(user, "<span class='warning'>There's already an item on this wall!</span>")
-		return
+		if(gotwallitem(get_turf(user), get_dir(on_wall, user)))
+			to_chat(user, "<span class='warning'>There's already an item on this wall!</span>")
+			return
 
-	return 1
+	return TRUE
 
 /obj/item/mounted/proc/do_build(turf/on_wall, mob/user) //the buildy bit after we pass the checks
 	return