Screw commit history.

code/modules/power/lighting.dm

@@ -23,7 +23,7 @@
 	name = "small light fixture frame"
 	icon_state = "bulb-construct-item"
 	result_path = /obj/structure/light_construct/small
-	materials = list(MAT_METAL=MINERAL_MATERIAL_AMOUNT)
+	custom_materials = list(/datum/material/iron=MINERAL_MATERIAL_AMOUNT)
 
 /obj/item/wallframe/light_fixture/try_build(turf/on_wall, user)
 	if(!..())
@@ -718,7 +718,7 @@
 	var/status = LIGHT_OK		// LIGHT_OK, LIGHT_BURNED or LIGHT_BROKEN
 	var/base_state
 	var/switchcount = 0	// number of times switched
-	materials = list(MAT_GLASS=100)
+	custom_materials = list(/datum/material/glass=100)
 	grind_results = list(/datum/reagent/silicon = 5, /datum/reagent/nitrogen = 10) //Nitrogen is used as a cheaper alternative to argon in incandescent lighbulbs
 	var/rigged = 0		// true if rigged to explode
 	var/brightness = 2 //how much light it gives off