Buildable Shuttle/Plastitanium Windows (#35376)

* use titanium/plastitanium on unanchored reinforced fulltile window to make shuttle/plastitanium windows

* updates titanium/plastitanium sprites, adds titanium glass and plastitanium glass, fixes material amount in mineral glass

code/game/objects/structures/grille.dm

@@ -183,6 +183,10 @@
 					WD = new/obj/structure/window/plasma/fulltile(drop_location()) //plasma window
 				else if(istype(W, /obj/item/stack/sheet/rglass))
 					WD = new/obj/structure/window/reinforced/fulltile(drop_location()) //reinforced window
+				else if(istype(W, /obj/item/stack/sheet/titaniumglass))
+					WD = new/obj/structure/window/shuttle(drop_location())
+				else if(istype(W, /obj/item/stack/sheet/plastitaniumglass))
+					WD = new/obj/structure/window/plastitanium(drop_location())
 				else
 					WD = new/obj/structure/window/fulltile(drop_location()) //normal window
 				WD.setDir(dir_to_set)

code/game/objects/structures/window.dm

@@ -560,7 +560,7 @@
 	canSmoothWith = null
 	explosion_block = 3
 	level = 3
-	glass_type = /obj/item/stack/sheet/rglass
+	glass_type = /obj/item/stack/sheet/titaniumglass
 	glass_amount = 2
 
 /obj/structure/window/shuttle/narsie_act()
@@ -569,6 +569,9 @@
 /obj/structure/window/shuttle/tinted
 	opacity = TRUE
 
+/obj/structure/window/shuttle/unanchored
+	anchored = FALSE
+
 /obj/structure/window/plastitanium
 	name = "plastitanium window"
 	desc = "An evil looking window of plasma and titanium."
@@ -586,9 +589,12 @@
 	canSmoothWith = null
 	explosion_block = 3
 	level = 3
-	glass_type = /obj/item/stack/sheet/rglass
+	glass_type = /obj/item/stack/sheet/plastitaniumglass
 	glass_amount = 2
 
+/obj/structure/window/plastitanium/unanchored
+	anchored = FALSE
+
 /obj/structure/window/reinforced/clockwork
 	name = "brass window"
 	desc = "A paper-thin pane of translucent yet reinforced brass."