hull/glass replacement, further polish, other misc tweaks

also adds plastitanium hull components for later use

code/modules/materials/material_sheets_vr.dm

@@ -21,7 +21,7 @@
 	type_to_spawn = /obj/item/stack/material/glass/titanium
 
 /obj/item/stack/material/plastitanium
-	name = "plas-tanium sheets"
+	name = "plastitanium sheets"
 	icon = 'icons/obj/stacks_vr.dmi'
 	icon_state = "sheet-plastitanium"
 	item_state = "sheet-silver"
@@ -32,8 +32,20 @@
 	name = "stack of plastitanium"
 	type_to_spawn = /obj/item/stack/material/plastitanium
 
+/obj/item/stack/material/plastitanium/hull
+	name = "plastitanium hull sheets"
+	icon = 'icons/obj/stacks_vr.dmi'
+	icon_state = "sheet-plastitanium"
+	item_state = "sheet-silver"
+	no_variants = FALSE
+	default_type = MAT_PLASTITANIUMHULL
+
+/obj/fiftyspawner/plastitanium_hull
+	name = "stack of plastitanium"
+	type_to_spawn = /obj/item/stack/material/plastitanium/hull
+
 /obj/item/stack/material/glass/plastitanium
-	name = "plas-tanium glass sheets"
+	name = "plastitanium glass sheets"
 	icon = 'icons/obj/stacks_vr.dmi'
 	icon_state = "sheet-plastitaniumglass"
 	item_state = "sheet-silver"

code/modules/materials/materials_vr.dm

@@ -65,6 +65,17 @@
 	composite_material = list(MAT_TITANIUM = SHEET_MATERIAL_AMOUNT, MAT_PLASTEEL = SHEET_MATERIAL_AMOUNT)
 	supply_conversion_value = 8
 
+/material/plastitanium/hull
+	name = MAT_PLASTITANIUMHULL
+	stack_type = /obj/item/stack/material/plastitanium/hull
+	icon_base = "hull"
+	icon_reinf = "reinf_mesh"
+	icon_colour = "#585658"
+	explosion_resistance = 50
+
+/material/plastitanium/hull/place_sheet(var/turf/target) //Deconstructed into normal plasteel sheets.
+	new /obj/item/stack/material/plastitanium(target)
+
 /material/glass/plastaniumglass
 	name = MAT_PLASTITANIUMGLASS
 	display_name = "plas-titanium glass"