Chrono Grenades (#13396)

* Hopefully this works.

* This is probably better.

* Makes timelessness a flag.
Adds an atom-level proc for toggling the TIMELESS flag.

* Cleaner TIMELESS toggle.

* Yet more conflict fixes.

code/game/atoms.dm

@@ -804,3 +804,7 @@ its easier to just keep the beam vertical.
 //Called when loaded by the map loader
 /atom/proc/spawned_by_map_element(datum/map_element/ME, list/objects)
 	return
+
+/atom/proc/toggle_timeless()
+	flags ^= TIMELESS
+	return flags & TIMELESS

code/game/objects/items/weapons/grenades/chronogrenade.dm

@@ -0,0 +1,13 @@
+/obj/item/weapon/grenade/chronogrenade
+	name = "chrono grenade"
+	desc = "This experimental weapon will halt the progression of time in the local area for ten seconds."
+	icon = 'icons/obj/grenade.dmi'
+	icon_state = "chrono_grenade"
+	item_state = "flashbang"
+	flags = FPRINT | TIMELESS
+	var/duration = 10 SECONDS
+	var/radius = 5		//in tiles
+
+/obj/item/weapon/grenade/chronogrenade/prime()
+	timestop(src, duration, radius)
+	qdel(src)

code/game/objects/items/weapons/grenades/grenade.dm

@@ -99,16 +99,16 @@
 /obj/item/weapon/grenade/attackby(obj/item/weapon/W as obj, mob/user as mob)
 	if(isscrewdriver(W))
 		switch(det_time)
-			if ("1")
+			if (1)
 				det_time = 10
 				to_chat(user, "<span class='notice'>You set the [name] for 1 second detonation time.</span>")
-			if ("10")
+			if (10)
 				det_time = 30
 				to_chat(user, "<span class='notice'>You set the [name] for 3 second detonation time.</span>")
-			if ("30")
+			if (30)
 				det_time = 50
 				to_chat(user, "<span class='notice'>You set the [name] for 5 second detonation time.</span>")
-			if ("50")
+			if (50)
 				det_time = 1
 				to_chat(user, "<span class='notice'>You set the [name] for instant detonation.</span>")
 		add_fingerprint(user)

code/game/objects/items/weapons/storage/boxes.dm

@@ -712,3 +712,12 @@
 	var/randomsprite = pick("a","b")
 	icon_state = "wizbox-[randomsprite]"
 
+/obj/item/weapon/storage/box/chrono_grenades
+	name = "box of chrono grenades"
+	desc = "A box of seven experimental chrono grenades."
+	icon_state = "chrono_grenade"
+
+/obj/item/weapon/storage/box/chrono_grenades/New()
+	..()
+	for(var/i = 1 to 7)
+		new /obj/item/weapon/grenade/chronogrenade(src)