Converts floor plaques to signs (#21138)

## About PR

Due to previously being decals, floor plaques weren't able to inherit
their varedited descriptions and be interacted in any way.

Now they can be read, stolen and ~used in self-defense~ occupy a place
in our lives.

code/game/objects/structures/signs.dm

@@ -12,6 +12,12 @@
 	layer = ABOVE_WINDOW_LAYER
 	w_class = WEIGHT_CLASS_NORMAL
 	obj_flags = OBJ_FLAG_MOVES_UNSUPPORTED
+	/// Sign type path that'll be spawned in `unfasten()` act.
+	var/sign_type = /obj/item/sign
+
+/obj/structure/sign/disassembly_hints(mob/user, distance, is_adjacent)
+	. += ..()
+	. += "You can use a <b>screwdriver</b> to fasten/unfasten \the [src]."
 
 /obj/structure/sign/ex_act(severity)
 	qdel(src)
@@ -25,7 +31,7 @@
 
 /obj/structure/sign/proc/unfasten(mob/user)
 	user.visible_message(SPAN_NOTICE("\The [user] unfastens \the [src]."), SPAN_NOTICE("You unfasten \the [src]."))
-	var/obj/item/sign/S = new(src.loc)
+	var/obj/item/sign/S = new sign_type(get_turf(src))
 	S.name = name
 	S.desc = desc
 	S.icon_state = icon_state
@@ -39,6 +45,14 @@
 	w_class = WEIGHT_CLASS_HUGE
 	var/sign_state = ""
 
+/obj/item/sign/heavy
+	throw_speed = 3
+	throw_range = 3
+	force = 10
+	throwforce = 10
+	drop_sound = 'sound/items/drop/axe.ogg'
+	pickup_sound = 'sound/items/pickup/axe.ogg'
+
 /obj/item/sign/attackby(obj/item/attacking_item, mob/user) // Construction.
 	if(attacking_item.isscrewdriver() && isturf(user.loc))
 		var/direction = tgui_input_list(user, "In which direction?", "Select Direction", list("North", "East", "South", "West", "Cancel"))
@@ -59,6 +73,7 @@
 		S.name = name
 		S.desc = desc
 		S.icon_state = sign_state
+		S.sign_type = src.type
 		to_chat(user, "You fasten \the [S] with your [attacking_item].")
 		qdel(src)
 	else ..()
@@ -635,3 +650,34 @@
 	door to the tent with her body as the insurgents attempted to shoot through it. While she ultimately perished to gunfire, her sacrifice allowed the medical tent to be evacuated and let \
 	the 23rd capture all insurgents involved in the attack. Formerly a frontierswoman with no nation to call her own, she was buried with military honors and became the first Holy Martyr of \
 	Sun Reach in 2426. She is commonly venerated on Sun Reach and by Ma’zals throughout the Empire."
+
+/obj/structure/sign/floor_plaque
+	name = "plaque"
+	desc = "An adorned and polished bronze plaque, gleaming with first-class elegance."
+	icon_state = "plaque"
+	layer = DECAL_LAYER
+	sign_type = /obj/item/sign/heavy
+
+/obj/structure/sign/floor_plaque/horizon/captain_office
+	name = "Commemorative SCC Plaque"
+	desc = "The Stellar Corporate Conglomerate's logo is engraved in its bronze surface."
+	desc_extended = "The unbreakable chainlink, the one thing holding the Orion Spur together..."
+
+/obj/structure/sign/floor_plaque/horizon/service
+	name = "SCCV Horizon plaque"
+	desc = "A plaque commemorating the SCCV Horizon's launch by the unbreakable chainlink, the SCC. The one thing holding the Orion Spur together. According to some, anyways."
+
+/obj/structure/sign/floor_plaque/raskara_okon
+	name = "Okon 001 Plaque"
+	desc = "Granted as a gift to honor the Hadiist-Skrell relationship. Okon 001 will be the Party's eyes upon Adhomai."
+
+/obj/structure/sign/floor_plaque/halloween_event/entrance
+	name = "Fancy Plaque"
+	desc = "Welcome to the Infinity Reach Towers!"
+	desc_extended = "Welcome to the Infinity Reach Towers, a jewel of Nouvelle-Rochelle. We have several attractions here setup just for you! A haunted house, the renowned Ethereal Nexus Lounge, \
+	and so much more! Have a wonderful stay, and remember.. Happy Halloween!"
+
+/obj/structure/sign/floor_plaque/halloween_event/bridge
+	name = "Fancy Plaque"
+	desc = "Infinity Bridge."
+	desc_extended = "You're currently standing on the Infinity Bridge. This bridge is over 150 floors high!"

code/game/turfs/flooring/flooring_decals_.dm

@@ -765,11 +765,6 @@
 /obj/effect/floor_decal/spline/fancy/wood/full
 	icon_state = "spline_fancy_full"
 
-/obj/effect/floor_decal/plaque
-	name = "plaque"
-	icon_state = "plaque"
-	outline = FALSE
-
 /obj/effect/floor_decal/carpet
 	name = "carpet"
 	icon = 'icons/turf/flooring/carpet.dmi'

html/changelogs/kano-dot-plaque-fix.yml

@@ -0,0 +1,6 @@
+author: Kano
+
+delete-after: True
+
+changes:
+  - qol: "Floor plaques can now be examined and interacted such as signs."

maps/away/ships/pra/database_freighter/database_freighter.dmm

@@ -2455,7 +2455,6 @@
 /turf/simulated/floor/tiled/dark,
 /area/shuttle/database_freighter_shuttle)
 "lt" = (
-/obj/effect/floor_decal/plaque,
 /obj/machinery/atmospherics/pipe/simple/hidden/scrubbers,
 /obj/machinery/atmospherics/pipe/simple/hidden/supply,
 /obj/structure/cable/green{
@@ -2463,6 +2462,7 @@
 	d2 = 2;
 	icon_state = "1-2"
 	},
+/obj/structure/sign/floor_plaque,
 /turf/simulated/floor/tiled/dark{
 	temperature = 278.15
 	},

maps/event/halloween/halloween.dmm

@@ -3505,11 +3505,7 @@
 /turf/simulated/wall,
 /area/city/nouvelle)
 "oN" = (
-/obj/effect/floor_decal/plaque{
-	name = "Fancy Plaque";
-	desc = "Infinity Bridge";
-	desc_extended = "You're currently standing on the Infinity Bridge. This bridge is over 150 floors high!"
-	},
+/obj/structure/sign/floor_plaque/halloween_event/bridge,
 /turf/simulated/floor/tiled,
 /area/city/outside)
 "oP" = (
@@ -8258,11 +8254,7 @@
 /turf/simulated/floor/carpet/rubber,
 /area/city/dining)
 "GV" = (
-/obj/effect/floor_decal/plaque{
-	name = "Fancy Plaque";
-	desc = "Welcome to the  Infinity Reach Towers ";
-	desc_extended = "Welcome to the Infinity Reach Towers, a jewel of Nouvelle-Rochelle. We have several attractions here setup just for you! A haunted house, the renowned Ethereal Nexus Lounge, and so much more! Have a wonderful stay, and remember.. Happy Halloween!"
-	},
+/obj/structure/sign/floor_plaque/halloween_event/entrance,
 /turf/simulated/floor/tiled/dark/full,
 /area/city/port)
 "GX" = (

maps/random_ruins/exoplanets/raskara/raskara_okon.dmm

@@ -544,10 +544,7 @@
 /obj/effect/floor_decal/corner/red{
 	dir = 5
 	},
-/obj/effect/floor_decal/plaque{
-	name = "Okon 001 Plaque";
-	desc = "Granted as a gift to honor the Hadiist-Skrell relationship. Okon 001 will be the Party's eyes upon Adhomai."
-	},
+/obj/structure/sign/floor_plaque/raskara_okon,
 /turf/simulated/floor/tiled/dark{
 	temperature = 278.15
 	},

maps/sccv_horizon/sccv_horizon.dmm

@@ -5973,13 +5973,9 @@
 	},
 /area/centcom/distress_prep)
 "aNY" = (
-/obj/effect/floor_decal/plaque{
-	desc = "The Stellar Corporate Conglomerate Logo Engraved in bronze.";
-	desc_extended = "The unbreakable chainlink, the one thing holding the Orion Spur together...";
-	name = "Commemorative SCC Plaque"
-	},
 /obj/effect/floor_decal/spline/fancy/wood/full,
 /mob/living/simple_animal/corgi/fox/Chauncey,
+/obj/structure/sign/floor_plaque/horizon/captain_office,
 /turf/simulated/floor/wood,
 /area/horizon/command/heads/captain)
 "aOa" = (
@@ -85899,11 +85895,8 @@
 /turf/simulated/floor/tiled/dark/full,
 /area/horizon/maintenance/deck_3/aft/starboard/far)
 "mfj" = (
-/obj/effect/floor_decal/plaque{
-	desc = "A plaque commemorating the SCCV Horizon's launch by the unbreakable chainlink, the SCC. The one thing holding the Orion Spur together. According to some, anyways.";
-	name = "\improper SCCV Horizon plaque"
-	},
 /obj/effect/floor_decal/spline/fancy/wood/full,
+/obj/structure/sign/floor_plaque/horizon/service,
 /turf/simulated/floor/wood,
 /area/horizon/service/dining_hall)
 "mfl" = (