Screw commit history.

code/modules/power/antimatter/shielding.dm

@@ -243,7 +243,7 @@
 	throwforce = 5
 	throw_speed = 1
 	throw_range = 2
-	materials = list(MAT_METAL=100)
+	custom_materials = list(/datum/material/iron=100)
 
 /obj/item/am_shielding_container/attackby(obj/item/I, mob/user, params)
 	if(istype(I, /obj/item/multitool) && istype(src.loc, /turf))

code/modules/power/apc.dm

@@ -53,7 +53,7 @@
 	use_power = NO_POWER_USE
 	req_access = null
 	max_integrity = 300
-	integrity_failure = 50
+	integrity_failure = 0.17
 	var/damage_deflection = 10
 	resistance_flags = FIRE_PROOF
 	armor = list("melee" = 40, "bullet" = 40, "laser" = 40, "energy" = 100, "bomb" = 30, "bio" = 100, "rad" = 100, "fire" = 90, "acid" = 50)

code/modules/power/cable.dm

@@ -488,7 +488,7 @@ GLOBAL_LIST_INIT(cable_coil_recipes, list (new/datum/stack_recipe("cable restrai
 	w_class = WEIGHT_CLASS_SMALL
 	throw_speed = 3
 	throw_range = 5
-	materials = list(MAT_METAL=10, MAT_GLASS=5)
+	custom_materials = list(/datum/material/iron=10, /datum/material/glass=5)
 	flags_1 = CONDUCT_1
 	slot_flags = ITEM_SLOT_BELT
 	attack_verb = list("whipped", "lashed", "disciplined", "flogged")
@@ -499,7 +499,7 @@ GLOBAL_LIST_INIT(cable_coil_recipes, list (new/datum/stack_recipe("cable restrai
 
 /obj/item/stack/cable_coil/cyborg
 	is_cyborg = 1
-	materials = list()
+	custom_materials = null
 	cost = 1
 
 /obj/item/stack/cable_coil/cyborg/attack_self(mob/user)

code/modules/power/cell.dm

@@ -13,7 +13,7 @@
 	w_class = WEIGHT_CLASS_SMALL
 	var/charge = 0	// note %age conveted to actual charge in New
 	var/maxcharge = 1000
-	materials = list(MAT_METAL=700, MAT_GLASS=50)
+	custom_materials = list(/datum/material/iron=700, /datum/material/glass=50)
 	grind_results = list(/datum/reagent/lithium = 15, /datum/reagent/iron = 5, /datum/reagent/silicon = 5)
 	var/rigged = FALSE	// true if rigged to explode
 	var/chargerate = 100 //how much power is given every tick in a recharger
@@ -171,7 +171,7 @@
 	name = "\improper Nanotrasen brand rechargeable AA battery"
 	desc = "You can't top the plasma top." //TOTALLY TRADEMARK INFRINGEMENT
 	maxcharge = 500
-	materials = list(MAT_GLASS=40)
+	custom_materials = list(/datum/material/glass=40)
 
 /obj/item/stock_parts/cell/crap/empty/Initialize()
 	. = ..()
@@ -182,7 +182,7 @@
 	name = "upgraded power cell"
 	desc = "A power cell with a slightly higher capacity than normal!"
 	maxcharge = 2500
-	materials = list(MAT_GLASS=50)
+	custom_materials = list(/datum/material/glass=50)
 	chargerate = 1000
 
 /obj/item/stock_parts/cell/upgraded/plus
@@ -193,7 +193,7 @@
 /obj/item/stock_parts/cell/secborg
 	name = "security borg rechargeable D battery"
 	maxcharge = 1250	//25/12/6 disabler/laser/taser shots.
-	materials = list(MAT_GLASS=40)
+	custom_materials = list(/datum/material/glass=40)
 
 /obj/item/stock_parts/cell/secborg/empty/Initialize()
 	. = ..()
@@ -221,7 +221,7 @@
 	name = "high-capacity power cell"
 	icon_state = "hcell"
 	maxcharge = 10000
-	materials = list(MAT_GLASS=60)
+	custom_materials = list(/datum/material/glass=60)
 	chargerate = 1500
 
 /obj/item/stock_parts/cell/high/plus
@@ -240,7 +240,7 @@
 	name = "super-capacity power cell"
 	icon_state = "scell"
 	maxcharge = 20000
-	materials = list(MAT_GLASS=300)
+	custom_materials = list(/datum/material/glass=300)
 	chargerate = 2000
 
 /obj/item/stock_parts/cell/super/empty/Initialize()
@@ -252,7 +252,7 @@
 	name = "hyper-capacity power cell"
 	icon_state = "hpcell"
 	maxcharge = 30000
-	materials = list(MAT_GLASS=400)
+	custom_materials = list(/datum/material/glass=400)
 	chargerate = 3000
 
 /obj/item/stock_parts/cell/hyper/empty/Initialize()
@@ -265,7 +265,7 @@
 	desc = "A rechargeable transdimensional power cell."
 	icon_state = "bscell"
 	maxcharge = 40000
-	materials = list(MAT_GLASS=600)
+	custom_materials = list(/datum/material/glass=600)
 	chargerate = 4000
 
 /obj/item/stock_parts/cell/bluespace/empty/Initialize()
@@ -277,7 +277,7 @@
 	name = "infinite-capacity power cell!"
 	icon_state = "icell"
 	maxcharge = 30000
-	materials = list(MAT_GLASS=1000)
+	custom_materials = list(/datum/material/glass=1000)
 	rating = 100
 	chargerate = 30000
 
@@ -303,7 +303,7 @@
 	icon_state = "potato"
 	charge = 100
 	maxcharge = 300
-	materials = list()
+	custom_materials = null
 	grown_battery = TRUE //it has the overlays for wires
 
 /obj/item/stock_parts/cell/high/slime
@@ -311,7 +311,7 @@
 	desc = "A yellow slime core infused with plasma, it crackles with power."
 	icon = 'icons/mob/slimes.dmi'
 	icon_state = "yellow slime extract"
-	materials = list()
+	custom_materials = null
 	rating = 5 //self-recharge makes these desirable
 	self_recharge = 1 // Infused slime cores self-recharge, over time
 
@@ -352,7 +352,7 @@
 	name = "miniature power cell"
 	desc = "A tiny power cell with a very low power capacity. Used in light fixtures to power them in the event of an outage."
 	maxcharge = 120 //Emergency lights use 0.2 W per tick, meaning ~10 minutes of emergency power from a cell
-	materials = list(MAT_GLASS = 20)
+	custom_materials = list(/datum/material/glass = 20)
 	w_class = WEIGHT_CLASS_TINY
 
 /obj/item/stock_parts/cell/emergency_light/Initialize()

code/modules/power/floodlight.dm

@@ -43,7 +43,7 @@
 	icon_state = "floodlight"
 	density = TRUE
 	max_integrity = 100
-	integrity_failure = 80
+	integrity_failure = 0.8
 	idle_power_usage = 100
 	active_power_usage = 1000
 	var/list/light_setting_list = list(0, 5, 10, 15)

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

code/modules/power/singularity/collector.dm

@@ -15,7 +15,7 @@
 	req_access = list(ACCESS_ENGINE_EQUIP)
 //	use_power = NO_POWER_USE
 	max_integrity = 350
-	integrity_failure = 80
+	integrity_failure = 0.2
 	circuit = /obj/item/circuitboard/machine/rad_collector
 	var/obj/item/tank/internals/plasma/loaded_tank = null
 	var/stored_power = 0

code/modules/power/solar.dm

@@ -12,7 +12,7 @@
 	active_power_usage = 0
 	var/id = 0
 	max_integrity = 150
-	integrity_failure = 50
+	integrity_failure = 0.33
 	var/obscured = 0
 	var/sunfrac = 0
 	var/adir = SOUTH // actual dir
@@ -266,7 +266,7 @@
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 250
 	max_integrity = 200
-	integrity_failure = 100
+	integrity_failure = 0.5
 	var/icon_screen = "solar"
 	var/icon_keyboard = "power_key"
 	var/id = 0

code/modules/power/tracker.dm

@@ -11,7 +11,7 @@
 	density = TRUE
 	use_power = NO_POWER_USE
 	max_integrity = 250
-	integrity_failure = 50
+	integrity_failure = 0.2
 
 	var/id = 0
 	var/sun_angle = 0		// sun angle as set by sun datum