KAT SHUTTERS ALL OF THE STUFF

Checked: Animations timings, the buttons in-game (they open and close), the radiation insulation (rad shutters don't block rads once open but do once closed, 0.2x multiplier to rads). Animations all play and the shutters actually open and close.

code/game/machinery/doors/shutters.dm

@@ -1,13 +1,67 @@
 /obj/machinery/door/poddoor/shutters
 	gender = PLURAL
 	name = "shutters"
-	desc = "Heavy duty metal shutters that open mechanically."
+	desc = "Mechanical metal shutters operated by a button with a magnetic seal, keeping them airtight."
 	icon = 'icons/obj/doors/shutters.dmi'
 	layer = SHUTTER_LAYER
 	closingLayer = SHUTTER_LAYER
+	armor = list("melee" = 20, "bullet" = 20, "laser" = 20, "energy" = 75, "bomb" = 25, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 70)
 	damage_deflection = 20
+	max_integrity = 100
 
 /obj/machinery/door/poddoor/shutters/preopen
 	icon_state = "open"
 	density = FALSE
 	opacity = 0
+
+// The below shutters are the original ones from the TG codebase. They are remaining as "secure" shutters. If anyone wants to improve their animation, feel free.
+// The original shutters are now shutters_old.dmi; copy the naming format of the files into new a new .dmi to add new shutters that work with the poddoor code for animating the doors.
+// Originally, the shutters were reskins of blast doors. Eighty hits with the Cap's sabre to destroy one shutter is far too powerful considering shutters cannot be deconstructed (yet).
+// If you're a mapper and want super strong shutter, use the 'old' ones.
+
+/obj/machinery/door/poddoor/shutters/old
+	name = "strong shutters"
+	desc = "These shutters have an armoured frame; it looks like plasteel. These shutters look robust enough to survive explosions."
+	icon = 'icons/obj/doors/shutters_old.dmi'
+	icon_state = "closed"
+	armor = list("melee" = 30, "bullet" = 30, "laser" = 30, "energy" = 75, "bomb" = 30, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 70)
+	max_integrity = 300
+
+/obj/machinery/door/poddoor/shutters/old/preopen
+	icon_state = "open"
+	density = FALSE
+	opacity = 0
+
+// End of old shutter stuff. Credit for the old shutter sprites to TG.
+
+/obj/machinery/door/poddoor/shutters/radiation
+	name = "radiation shutters"
+	desc = "Lead-lined shutters painted yellow with a radioactive hazard symbol on it. Blocks out most radiation"
+	icon = 'icons/obj/doors/shutters_radiation.dmi'
+	icon_state = "closed"
+	rad_insulation = 0.2
+
+/obj/machinery/door/poddoor/shutters/radiation/preopen
+	icon_state = "open"
+	density = FALSE
+	opacity = 0
+	rad_insulation = 1
+
+/obj/machinery/door/poddoor/shutters/radiation/do_animate(animation)
+	..()
+	switch(animation)
+		if("opening")
+			rad_insulation = 1
+		if("closing")
+			rad_insulation = 0.2
+
+/obj/machinery/door/poddoor/shutters/window
+	name = "windowed shutters"
+	desc = "Mechanical shutters that have some form of plastic window in them, allowing you to see through the shutters at all times."
+	icon = 'icons/obj/doors/shutters_window.dmi'
+	icon_state = "closed"
+	opacity = 0
+
+/obj/machinery/door/poddoor/shutters/window/preopen
+	icon_state = "open"
+	density = FALSE