Materials subsystem, material defines instead of strings, structure materials. (#8447)

The shitcode crusade begins.

code/modules/tables/debug.dm

@@ -1,22 +0,0 @@
-
-// Mostly for debugging table connections
-// This file is not #included in the .dme.
-
-/obj/structure/table/debug
-	New()
-		material = get_material_by_name("debugium")
-		..()
-
-/material/debug
-	name = "debugium"
-	stack_type = /obj/item/stack/material/debug
-	icon_base = "debug"
-	icon_reinf = "rdebug"
-	icon_colour = "#FFFFFF"
-
-/obj/item/stack/material/debug
-	name = "debugium"
-	icon = 'icons/obj/tables.dmi'
-	icon_state = "debugium"
-	default_type = "debugium"
-

code/modules/tables/presets.dm

@@ -4,9 +4,9 @@
 
 /obj/structure/table/Initialize()
 	if(table_mat)
-		material = get_material_by_name(table_mat)
+		material = SSmaterials.get_material_by_name(table_mat)
 	if(table_reinf)
-		reinforced = get_material_by_name(table_reinf)
+		reinforced = SSmaterials.get_material_by_name(table_reinf)
 	. = ..()
 
 /obj/structure/table/standard

code/modules/tables/tables.dm

@@ -17,7 +17,6 @@
 	var/can_plate = 1
 
 	var/manipulating = 0
-	var/material/material = null
 	var/material/reinforced = null
 
 	// Gambling tables. I'd prefer reinforced with carpet/felt/cloth/whatever, but AFAIK it's either harder or impossible to get /obj/item/stack/material of those.
@@ -302,7 +301,7 @@
 	if(full_return || prob(20))
 		new /obj/item/stack/material/steel(src.loc)
 	else
-		var/material/M = get_material_by_name(DEFAULT_WALL_MATERIAL)
+		var/material/M = SSmaterials.get_material_by_name(DEFAULT_WALL_MATERIAL)
 		S = M.place_shard(loc)
 		if(S) shards += S
 	qdel(src)