Adds a freeze ray gun (#11114)

This pr adds a freeze ray gun. It works by reducing the mob's temperature until they freeze and get stuck inside ice for a while. The gun also has an alt-fire mode that fires ice bolt.

code/game/objects/structures/crates_lockers/closets/statue.dm

@@ -44,19 +44,7 @@
 		health = L.health + 300 //stoning damaged mobs will result in easier to shatter statues
 		L.frozen = TRUE
 
-		appearance = L
-		dir = L.dir
-		color = list(
-					    0.30, 0.3, 0.25,
-					    0.30, 0.3, 0.25,
-					    0.30, 0.3, 0.25
-					)
-		name = "statue of [L.name]"
-		desc = "An incredibly lifelike stone carving."
-
-		if(iscorgi(L))
-			name = "statue of a corgi"
-			desc = "If it takes forever, I will wait for you..."
+		create_icon(L)
 
 		var/mob/statue_mob/temporarymob = new (src)
 		temporarymob.forceMove(src)
@@ -85,6 +73,21 @@
 /obj/structure/closet/statue/content_info()
 	return
 
+/obj/structure/closet/statue/proc/create_icon(var/mob/living/L)
+	appearance = L
+	dir = L.dir
+	color = list(
+				    0.30, 0.3, 0.25,
+				    0.30, 0.3, 0.25,
+				    0.30, 0.3, 0.25
+				)
+	name = "statue of [L.name]"
+	desc = "An incredibly lifelike stone carving."
+
+	if(iscorgi(L))
+		name = "statue of a corgi"
+		desc = "If it takes forever, I will wait for you..."
+
 /obj/structure/closet/statue/dump_contents()
 
 	for(var/obj/O in src)
@@ -164,3 +167,28 @@
 	dump_contents()
 	visible_message("<span class='warning'>[src] shatters!.</span>")
 	qdel(src)
+
+
+/obj/structure/closet/statue/ice
+	name = "ice cube"
+	desc = "A large ice cube."
+	anchored = FALSE
+
+/obj/structure/closet/statue/ice/create_icon(var/mob/living/L)
+	appearance = L
+	dir = L.dir
+	var/image/I
+	I = image(icon = 'icons/obj/statue.dmi', icon_state = "icecube")
+	add_overlay(I)
+
+/obj/structure/closet/statue/ice/shatter(mob/user as mob)
+	if (user)
+		user.frozen = FALSE
+		if(isliving(user))
+			var/mob/living/L = user
+			L.adjustBruteLoss(30)
+			L.bodytemperature -= 150
+
+	dump_contents()
+	visible_message("<span class='warning'>\The [src] shatters!</span>")
+	qdel(src)