Window spawners + Adding to map

This commit adds window spawners, mapping tools which either spawn full
windows or automatically detect where it should place each pane.

code/game/objects/effects/spawners/windowspawner.dm

@@ -0,0 +1,34 @@
+/obj/effect/spawner/window
+	name = "window spawner"
+	icon = 'icons/obj/structures.dmi'
+	icon_state = "window_spawner"
+	var/useFull = 0
+	var/useGrille = 1
+	var/windowtospawn = /obj/structure/window/basic
+
+/obj/effect/spawner/window/New()
+	for(var/obj/structure/grille/G in get_turf(src))	qdel(G) //just in case mappers don't know what they are doing
+
+	if(!useFull)
+		for(var/cdir in cardinal)
+			var/obj/structure/window/WI = new windowtospawn(get_turf(src))
+			WI.dir = cdir
+			for(var/obj/effect/spawner/window/WS in get_step(src,cdir))
+				qdel(WI)
+				break
+	else
+		var/obj/structure/window/W = new windowtospawn(get_turf(src))
+		W.dir = SOUTHWEST
+
+	if(useGrille)
+		new /obj/structure/grille(get_turf(src))
+
+	src.air_update_turf(1) //atmos can pass otherwise
+
+	spawn(10)
+		qdel(src)
+
+/obj/effect/spawner/window/reinforced
+	name = "reinforced window spawner"
+	icon_state = "rwindow_spawner"
+	windowtospawn = /obj/structure/window/reinforced