Merge pull request #10404 from mwerezak/stack-fix

Material stack related fixes

code/game/gamemodes/cult/cultify/obj.dm

@@ -136,8 +136,8 @@
 	// Make it a wood-reinforced wooden table.
 	// There are cult materials available, but it'd make the table non-deconstructable with how holotables work.
 	// Could possibly use a new material var for holographic-ness?
-	material = name_to_material["wood"]
-	reinforced = name_to_material["wood"]
+	material = get_material_by_name("wood")
+	reinforced = get_material_by_name("wood")
 	update_desc()
 	update_connections(1)
 	update_icon()

code/game/machinery/autolathe.dm

@@ -290,7 +290,7 @@
 /obj/machinery/autolathe/dismantle()
 
 	for(var/mat in stored_material)
-		var/material/M = name_to_material[mat]
+		var/material/M = get_material_by_name(mat)
 		if(!istype(M))
 			continue
 		var/obj/item/stack/material/S = new M.stack_type(get_turf(src))

code/game/machinery/bioprinter.dm

@@ -66,19 +66,19 @@
 			user << "<span class='info'>You inject the blood sample into the bioprinter.</span>"
 		return
 	// Meat for biomass.
-	else if(!prints_prosthetics && istype(W, /obj/item/weapon/reagent_containers/food/snacks/meat))
+	if(!prints_prosthetics && istype(W, /obj/item/weapon/reagent_containers/food/snacks/meat))
 		stored_matter += 50
 		user.drop_item()
 		user << "<span class='info'>\The [src] processes \the [W]. Levels of stored biomass now: [stored_matter]</span>"
 		qdel(W)
 		return
 	// Steel for matter.
-	else if(prints_prosthetics && istype(W, /obj/item/stack/material/steel))
-		var/obj/item/stack/material/steel/M = W
-		stored_matter += M.amount * 10
+	if(prints_prosthetics && istype(W, /obj/item/stack/material) && W.get_material_name() == DEFAULT_WALL_MATERIAL)
+		var/obj/item/stack/S = W
+		stored_matter += S.amount * 10
 		user.drop_item()
 		user << "<span class='info'>\The [src] processes \the [W]. Levels of stored matter now: [stored_matter]</span>"
 		qdel(W)
 		return
-	else
+	
 	return..()

code/game/machinery/computer/ai_core.dm

@@ -88,8 +88,8 @@
 					var/obj/item/stack/cable_coil/A = new /obj/item/stack/cable_coil( loc )
 					A.amount = 5
 
-			if(istype(P, /obj/item/stack/material/glass/reinforced))
-				var/obj/item/stack/material/glass/reinforced/RG = P
+			if(istype(P, /obj/item/stack/material) && P.get_material_name() == "rglass")
+				var/obj/item/stack/RG = P
 				if (RG.get_amount() < 2)
 					user << "<span class='warning'>You need two sheets of glass to put in the glass panel.</span>"
 					return

code/game/machinery/computer/buildandrepair.dm

@@ -87,8 +87,8 @@
 				var/obj/item/stack/cable_coil/A = new /obj/item/stack/cable_coil( src.loc )
 				A.amount = 5
 
-			if(istype(P, /obj/item/stack/material/glass))
-				var/obj/item/stack/material/glass/G = P
+			if(istype(P, /obj/item/stack/material) && P.get_material_name() == "glass")
+				var/obj/item/stack/G = P
 				if (G.get_amount() < 2)
 					user << "<span class='warning'>You need two sheets of glass to put in the glass panel.</span>"
 					return

code/game/machinery/computer3/buildandrepair.dm

@@ -178,13 +178,14 @@
 			if(istype(P, /obj/item/weapon/crowbar)) // complicated check
 				remove_peripheral()
 
-			if(istype(P, /obj/item/stack/material/glass))
-				if(P:amount >= 2)
+			if(istype(P, /obj/item/stack/material) && P.get_material_name() == "glass")
+				var/obj/item/stack/S = P
+				if(S.amount >= 2)
 					playsound(src.loc, 'sound/items/Deconstruct.ogg', 50, 1)
 					if(do_after(user, 20))
-						if(P)
-							P:use(2)
-							user << "\blue You put in the glass panel."
+						if(S)
+							S.use(2)
+							user << "<span class='notice'>You put in the glass panel.</span>"
 							src.state = 4
 							src.icon_state = "4"
 		if(4)

code/game/machinery/deployable.dm

@@ -79,12 +79,14 @@ for reference:
 	maxhealth = material.integrity
 	health = maxhealth
 
+/obj/structure/barricade/get_material()
+	return material
+
 /obj/structure/barricade/attackby(obj/item/W as obj, mob/user as mob)
-	if (istype(W, /obj/item/stack/material))
-		var/obj/item/stack/material/D = W
-		if(D.material.name != material.name)
-			user << "<span class='warning'>That is the wrong material needed to repair \the [src].</span>"
-			return
+	if (istype(W, /obj/item/stack))
+		var/obj/item/stack/D = W
+		if(D.get_material_name() != material.name)
+			return //hitting things with the wrong type of stack usually doesn't produce messages, and probably doesn't need to.
 		if (health < maxhealth)
 			if (D.get_amount() < 1)
 				user << "<span class='warning'>You need one sheet of [material.display_name] to repair \the [src].</span>"

code/game/machinery/doors/airlock.dm

@@ -48,6 +48,11 @@
 		return
 	..()
 
+/obj/machinery/door/airlock/get_material()
+	if(mineral)
+		return get_material_by_name(mineral)
+	return get_material_by_name(DEFAULT_WALL_MATERIAL)
+
 /obj/machinery/door/airlock/command
 	name = "Airlock"
 	icon = 'icons/obj/doors/Doorcom.dmi'

code/game/machinery/doors/blast_door.dm

@@ -96,12 +96,12 @@
 		else
 			usr << "<span class='notice'>[src]'s motors resist your effort.</span>"
 		return
-	if(istype(C, /obj/item/stack/material/plasteel))
-		var/amt = repair_price()
+	if(istype(C, /obj/item/stack/material) && C.get_material_name() == "plasteel")
+		var/amt = Ceiling((maxhealth - health)/150)
 		if(!amt)
 			usr << "<span class='notice'>\The [src] is already fully repaired.</span>"
 			return
-		var/obj/item/stack/material/plasteel/P = C
+		var/obj/item/stack/P = C
 		if(P.amount < amt)
 			usr << "<span class='warning'>You don't have enough sheets to repair this! You need at least [amt] sheets.</span>"
 			return
@@ -135,16 +135,6 @@
 		return
 	force_close()
 
-// Proc: repair_price()
-// Parameters: None
-// Description: Determines amount of sheets needed for full repair. (max)150HP per sheet, (max)10 emitter hits per sheet.
-/obj/machinery/door/blast/proc/repair_price()
-	var/sheets_needed = 0
-	var/dam = maxhealth - health
-	while(dam > 0)
-		dam -= 150
-		sheets_needed++
-	return sheets_needed
 
 // Proc: repair()
 // Parameters: None

code/game/machinery/doors/door.dm

@@ -203,10 +203,9 @@
 /obj/machinery/door/attackby(obj/item/I as obj, mob/user as mob)
 	if(istype(I, /obj/item/device/detective_scanner))
 		return
-	if(src.operating > 0 || isrobot(user))	return //borgs can't attack doors open because it conflicts with their AI-like interaction with them.
 	src.add_fingerprint(user)
 
-	if(istype(I, /obj/item/stack/material/steel))
+	if(istype(I, /obj/item/stack/material) && I.get_material_name() == src.get_material_name())
 		if(stat & BROKEN)
 			user << "<span class='notice'>It looks like \the [src] is pretty busted. It's going to need more than just patching up now.</span>"
 			return
@@ -221,20 +220,20 @@
 		var/amount_needed = (maxhealth - health) / DOOR_REPAIR_AMOUNT
 		amount_needed = (round(amount_needed) == amount_needed)? amount_needed : round(amount_needed) + 1 //Why does BYOND not have a ceiling proc?
 
-		var/obj/item/stack/material/steel/metalstack = I
+		var/obj/item/stack/stack = I
 		var/transfer
 		if (repairing)
-			transfer = metalstack.transfer_to(repairing, amount_needed - repairing.amount)
+			transfer = stack.transfer_to(repairing, amount_needed - repairing.amount)
 			if (!transfer)
 				user << "<span class='warning'>You must weld or remove \the [repairing] from \the [src] before you can add anything else.</span>"
 		else
-			repairing = metalstack.split(amount_needed)
+			repairing = stack.split(amount_needed)
 			if (repairing)
 				repairing.loc = src
 				transfer = repairing.amount
 
 		if (transfer)
-			user << "<span class='notice'>You fit [transfer] [metalstack.singular_name]\s to damaged and broken parts on \the [src].</span>"
+			user << "<span class='notice'>You fit [transfer] [stack.singular_name]\s to damaged and broken parts on \the [src].</span>"
 
 		return
 
@@ -274,6 +273,8 @@
 				take_damage(W.force)
 		return
 
+	if(src.operating > 0 || isrobot(user))	return //borgs can't attack doors open because it conflicts with their AI-like interaction with them.
+
 	if(src.operating) return
 
 	if(src.density && (operable() && istype(I, /obj/item/weapon/card/emag)))

code/game/machinery/doors/firedoor.dm

@@ -75,6 +75,8 @@
 		A.all_doors.Remove(src)
 	. = ..()
 
+/obj/machinery/door/firedoor/get_material()
+	return get_material_by_name(DEFAULT_WALL_MATERIAL)
 
 /obj/machinery/door/firedoor/examine(mob/user)
 	. = ..(user, 1)

code/game/machinery/pipe/pipelayer.dm

@@ -50,7 +50,7 @@
 		user.visible_message("<span class='notice'>[user] has [!a_dis?"de":""]activated auto-dismantling.</span>", "<span class='notice'>You [!a_dis?"de":""]activate auto-dismantling.</span>")
 		return
 
-	if(istype(W, /obj/item/stack/material/steel))
+	if(istype(W, /obj/item/stack/material) && W.get_material_name() == DEFAULT_WALL_MATERIAL)
 
 		var/result = load_metal(W)
 		if(isnull(result))
@@ -86,7 +86,7 @@
 	on=0
 	return
 
-/obj/machinery/pipelayer/proc/load_metal(var/obj/item/stack/material/steel/MM)
+/obj/machinery/pipelayer/proc/load_metal(var/obj/item/stack/MM)
 	if(istype(MM) && MM.get_amount())
 		var/cur_amount = metal
 		var/to_load = max(max_metal - round(cur_amount),0)

code/game/machinery/portable_turret.dm

@@ -704,8 +704,8 @@ var/list/turret_icons
 				return
 
 		if(1)
-			if(istype(I, /obj/item/stack/material/steel))
-				var/obj/item/stack/material/steel/M = I
+			if(istype(I, /obj/item/stack/material) && I.get_material_name() == DEFAULT_WALL_MATERIAL)
+				var/obj/item/stack/M = I
 				if(M.use(2))
 					user << "<span class='notice'>You add some metal armor to the interior frame.</span>"
 					build_step = 2
@@ -796,8 +796,8 @@ var/list/turret_icons
 			//attack_hand() removes the prox sensor
 
 		if(6)
-			if(istype(I, /obj/item/stack/material/steel))
-				var/obj/item/stack/material/steel/M = I
+			if(istype(I, /obj/item/stack/material) && I.get_material_name() == DEFAULT_WALL_MATERIAL)
+				var/obj/item/stack/M = I
 				if(M.use(2))
 					user << "<span class='notice'>You add some metal armor to the exterior frame.</span>"
 					build_step = 7

code/game/machinery/robot_fabricator.dm

@@ -12,8 +12,8 @@
 	active_power_usage = 10000
 
 /obj/machinery/robotic_fabricator/attackby(var/obj/item/O as obj, var/mob/user as mob)
-	if (istype(O, /obj/item/stack/material/steel))
-		var/obj/item/stack/material/steel/M = O
+	if (istype(O, /obj/item/stack/material) && O.get_material_name() == DEFAULT_WALL_MATERIAL)
+		var/obj/item/stack/M = O
 		if (src.metal_amount < 150000.0)
 			var/count = 0
 			src.overlays += "fab-load-metal"

code/game/objects/items/devices/lightreplacer.dm

@@ -71,8 +71,8 @@
 		Emag()
 		return
 
-	if(istype(W, /obj/item/stack/material/glass))
-		var/obj/item/stack/material/glass/G = W
+	if(istype(W, /obj/item/stack/material) && W.get_material_name() == "glass")
+		var/obj/item/stack/G = W
 		if(uses >= max_uses)
 			user << "<span class='warning'>[src.name] is full."
 			return

code/game/objects/items/robot/robot_parts.dm

@@ -125,8 +125,8 @@
 
 /obj/item/robot_parts/robot_suit/attackby(obj/item/W as obj, mob/user as mob)
 	..()
-	if(istype(W, /obj/item/stack/material/steel) && !l_arm && !r_arm && !l_leg && !r_leg && !chest && !head)
-		var/obj/item/stack/material/steel/M = W
+	if(istype(W, /obj/item/stack/material) && W.get_material_name() == DEFAULT_WALL_MATERIAL && !l_arm && !r_arm && !l_leg && !r_leg && !chest && !head)
+		var/obj/item/stack/material/M = W
 		if (M.use(1))
 			var/obj/item/weapon/secbot_assembly/ed209_assembly/B = new /obj/item/weapon/secbot_assembly/ed209_assembly
 			B.loc = get_turf(src)

code/game/objects/items/stacks/sheets/light.dm

@@ -22,8 +22,8 @@
 			user.drop_from_inventory(src)
 			qdel(src)
 
-	if(istype(O,/obj/item/stack/material/steel))
-		var/obj/item/stack/material/steel/M = O
+	if(istype(O,/obj/item/stack/material) && O.get_material_name() == DEFAULT_WALL_MATERIAL)
+		var/obj/item/stack/M = O
 		if (M.use(1))
 			use(1)
 			new/obj/item/stack/tile/light(get_turf(user))

code/game/objects/items/weapons/material/material_weapons.dm

@@ -34,6 +34,9 @@
 			if(!isnull(matter[material_type]))
 				matter[material_type] *= force_divisor // May require a new var instead.
 
+/obj/item/weapon/material/get_material()
+	return material
+
 /obj/item/weapon/material/proc/update_force()
 	if(edge || sharp)
 		force = material.get_edge_damage()

code/game/objects/items/weapons/material/shards.dm

@@ -87,4 +87,4 @@
 	..(loc, "steel")
 
 /obj/item/weapon/material/shard/phoron/New(loc)
-	..(loc, "phoron glass")
+	..(loc, "phglass")

code/game/objects/items/weapons/storage/bags.dm

@@ -119,10 +119,10 @@
 		//verbs += /obj/item/weapon/storage/bag/sheetsnatcher/quick_empty
 
 	can_be_inserted(obj/item/W as obj, stop_messages = 0)
-		if(!istype(W,/obj/item/stack/material) || istype(W,/obj/item/stack/material/sandstone) || istype(W,/obj/item/stack/material/wood))
+		if(!istype(W,/obj/item/stack/material))
 			if(!stop_messages)
 				usr << "The snatcher does not accept [W]."
-			return 0 //I don't care, but the existing code rejects them for not being "sheets" *shrug* -Sayu
+			return 0
 		var/current = 0
 		for(var/obj/item/stack/material/S in contents)
 			current += S.amount

code/game/objects/structures/door_assembly.dm

@@ -236,20 +236,20 @@
 			electronics = null
 
 	else if(istype(W, /obj/item/stack/material) && !glass)
-		var/obj/item/stack/material/S = W
+		var/obj/item/stack/S = W
+		var/material_name = S.get_material_name()
 		if (S)
 			if (S.get_amount() >= 1)
-				if(istype(S, /obj/item/stack/material/glass/reinforced))
+				if(material_name == "rglass")
 					playsound(src.loc, 'sound/items/Crowbar.ogg', 100, 1)
 					user.visible_message("[user] adds [S.name] to the airlock assembly.", "You start to install [S.name] into the airlock assembly.")
 					if(do_after(user, 40) && !glass)
 						if (S.use(1))
 							user << "<span class='notice'>You installed reinforced glass windows into the airlock assembly.</span>"
 							glass = 1
-				else if(istype(S, /obj/item/stack/material) && S.default_type)
-					var/M = S.default_type
+				else if(material_name)
 					// Ugly hack, will suffice for now. Need to fix it upstream as well, may rewrite mineral walls. ~Z
-					if(M in list("mhydrogen","osmium","tritium","platinum","iron"))
+					if(!(material_name in list("gold", "silver", "diamond", "uranium", "phoron", "sandstone")))
 						user << "You cannot make an airlock out of that material."
 						return
 					if(S.get_amount() >= 2)
@@ -257,8 +257,8 @@
 						user.visible_message("[user] adds [S.name] to the airlock assembly.", "You start to install [S.name] into the airlock assembly.")
 						if(do_after(user, 40) && !glass)
 							if (S.use(2))
-								user << "<span class='notice'>You installed [M] plating into the airlock assembly.</span>"
-								glass = "[M]"
+								user << "<span class='notice'>You installed [material_display_name(material_name)] plating into the airlock assembly.</span>"
+								glass = material_name
 
 	else if(istype(W, /obj/item/weapon/screwdriver) && state == 2 )
 		playsound(src.loc, 'sound/items/Screwdriver.ogg', 100, 1)

code/game/objects/structures/girders.dm

@@ -108,11 +108,11 @@
 
 	else if(istype(W, /obj/item/stack/material))
 
-		var/obj/item/stack/material/S = W
+		var/obj/item/stack/S = W
 		if(S.get_amount() < 2)
 			return ..()
 
-		var/material/M = name_to_material[S.default_type]
+		var/material/M = S.get_material()
 		if(!istype(M))
 			return ..()
 
@@ -183,7 +183,7 @@
 		user << "There is not enough material here to reinforce the girder."
 		return
 
-	var/material/M = name_to_material[S.default_type]
+	var/material/M = S.get_material()
 	if(!istype(M) || M.integrity < 50)
 		user << "You cannot reinforce \the [src] with that; it is too soft."
 		return

code/game/objects/structures/simple_doors.dm

@@ -44,6 +44,9 @@
 	update_nearby_tiles()
 	..()
 
+/obj/structure/simple_door/get_material()
+	return material
+
 /obj/structure/simple_door/Bumped(atom/user)
 	..()
 	if(!state)

code/game/objects/structures/stool_bed_chair_nest/bed.dm

@@ -33,6 +33,9 @@
 		padding_material = get_material_by_name(new_padding_material)
 	update_icon()
 
+/obj/structure/bed/get_material()
+	return material
+
 // Reuse the cache/code from stools, todo maybe unify.
 /obj/structure/bed/update_icon()
 	// Prep icon.

code/game/supplyshuttle.dm

@@ -195,16 +195,12 @@ var/list/mechtoys = list(
 							find_slip = 0
 						continue
 
-					// Sell phoron
-					if(istype(A, /obj/item/stack/material/phoron))
-						var/obj/item/stack/material/phoron/P = A
-						phoron_count += P.get_amount()
-
-					// Sell platinum
-					if(istype(A, /obj/item/stack/material/platinum))
-						var/obj/item/stack/material/platinum/P = A
-						plat_count += P.get_amount()
-
+					// Sell phoron and platinum
+					if(istype(A, /obj/item/stack))
+						var/obj/item/stack/P
+						switch(P.get_material_name())
+							if("phoron") phoron_count += P.get_amount()
+							if("platinum") plat_count += P.get_amount()
 			qdel(MA)
 
 		if(phoron_count)

code/game/turfs/simulated/wall_icon.dm

@@ -8,7 +8,7 @@
 	else
 		construction_stage = null
 	if(!material)
-		material = name_to_material[DEFAULT_WALL_MATERIAL]
+		material = get_material_by_name(DEFAULT_WALL_MATERIAL)
 	if(material)
 		explosion_resistance = material.explosion_resistance
 	if(reinf_material && reinf_material.explosion_resistance > explosion_resistance)

code/game/turfs/simulated/walls.dm

@@ -28,7 +28,7 @@ var/list/global/wall_cache = list()
 		materialtype = DEFAULT_WALL_MATERIAL
 	material = get_material_by_name(materialtype)
 	if(!isnull(rmaterialtype))
-		reinf_material = name_to_material[rmaterialtype]
+		reinf_material = get_material_by_name(rmaterialtype)
 	update_material()
 
 	processing_turfs |= src
@@ -38,7 +38,6 @@ var/list/global/wall_cache = list()
 	dismantle_wall(null,null,1)
 	..()
 
-
 /turf/simulated/wall/process()
 	// Calling parent will kill processing
 	if(!radiate())
@@ -170,7 +169,7 @@ var/list/global/wall_cache = list()
 			O.loc = src
 
 	clear_plants()
-	material = name_to_material["placeholder"]
+	material = get_material_by_name("placeholder")
 	reinf_material = null
 	check_relatives()
 

code/modules/clothing/spacesuits/breaches.dm

@@ -178,23 +178,29 @@ var/global/list/breach_burn_descriptors = list(
 //Handles repairs (and also upgrades).
 
 /obj/item/clothing/suit/space/attackby(obj/item/W as obj, mob/user as mob)
-	if(istype(W,/obj/item/stack/material/plastic) || istype(W,/obj/item/stack/material/steel))
+	if(istype(W,/obj/item/stack/material))
+		var/repair_power = 0
+		switch(W.get_material_name())
+			if(DEFAULT_WALL_MATERIAL)
+				repair_power = 2
+			if("plastic")
+				repair_power = 1
+		
+		if(!repair_power)
+			return
 		
 		if(istype(src.loc,/mob/living))
-			user << "\red How do you intend to patch a hardsuit while someone is wearing it?"
+			user << "<span class='warning'>How do you intend to patch a hardsuit while someone is wearing it?</span>"
 			return
 
 		if(!damage || !burn_damage)
 			user << "There is no surface damage on \the [src] to repair."
 			return
 
-		var/obj/item/stack/material/P = W
-		if(P.get_amount() < 3)
-			P.use(P.get_amount())
-			repair_breaches(BURN, ( istype(P,/obj/item/stack/material/plastic) ? P.get_amount() : (P.get_amount()*2) ), user)
-		else
-			P.use(3)
-			repair_breaches(BURN, ( istype(P,/obj/item/stack/material/plastic) ? 3 : 5), user)
+		var/obj/item/stack/P = W
+		var/use_amt = min(P.get_amount(), 3)
+		if(use_amt && P.use(use_amt))
+			repair_breaches(BURN, use_amt * repair_power, user)
 		return
 
 	else if(istype(W, /obj/item/weapon/weldingtool))

code/modules/clothing/spacesuits/rig/rig_attackby.dm

@@ -7,7 +7,7 @@
 			return
 
 	// Pass repair items on to the chestpiece.
-	if(chest && (istype(W,/obj/item/stack/material/plastic) || istype(W,/obj/item/stack/material/steel) || istype(W, /obj/item/weapon/weldingtool)))
+	if(chest && (istype(W,/obj/item/stack/material) || istype(W, /obj/item/weapon/weldingtool)))
 		return chest.attackby(W,user)
 
 	// Lock or unlock the access panel.

code/modules/materials/material_sheets.dm

@@ -39,8 +39,13 @@
 	update_strings()
 	return 1
 
+/obj/item/stack/material/get_material()
+	return material
+
 /obj/item/stack/material/proc/update_strings()
 	// Update from material datum.
+	singular_name = material.sheet_singular_name
+	
 	if(amount>1)
 		name = "[material.use_name] [material.sheet_plural_name]"
 		desc = "A stack of [material.use_name] [material.sheet_plural_name]."
@@ -187,15 +192,15 @@
 /obj/item/stack/material/glass/reinforced
 	name = "reinforced glass"
 	icon_state = "sheet-rglass"
-	default_type = "reinforced glass"
+	default_type = "rglass"
 
 /obj/item/stack/material/glass/phoronglass
 	name = "phoron glass"
 	singular_name = "phoron glass sheet"
 	icon_state = "sheet-phoronglass"
-	default_type = "phoron glass"
+	default_type = "phglass"
 
 /obj/item/stack/material/glass/phoronrglass
 	name = "reinforced phoron glass"
 	icon_state = "sheet-phoronrglass"
-	default_type = "reinforced phoron glass"
+	default_type = "rphglass"

code/modules/materials/material_synth.dm

@@ -34,5 +34,5 @@
 
 /obj/item/stack/material/cyborg/glass/reinforced
 	icon_state = "sheet-rglass"
-	default_type = "reinforced glass"
+	default_type = "rglass"
 	charge_costs = list(500, 1000)

code/modules/materials/materials.dm

@@ -27,6 +27,17 @@
 // Assoc list containing all material datums indexed by name.
 var/list/name_to_material
 
+//Returns the material the object is made of, if applicable.
+//Will we ever need to return more than one value here? Or should we just return the "dominant" material.
+/obj/proc/get_material()
+	return null
+
+//mostly for convenience
+/obj/proc/get_material_name()
+	var/material/material = get_material()
+	if(material)
+		return material.name
+
 // Builds the datum list above.
 /proc/populate_material_list(force_remake=0)
 	if(name_to_material && !force_remake) return // Already set up!
@@ -44,6 +55,12 @@ var/list/name_to_material
 		populate_material_list()
 	return name_to_material[name]
 
+/proc/material_display_name(name)
+	var/material/material = get_material_by_name(name)
+	if(material)
+		return material.display_name
+	return null
+
 // Material definition and procs follow.
 /material
 	var/name	                          // Unique name for use in indexing the list.
@@ -312,7 +329,7 @@ var/list/name_to_material
 	icon_colour = "#666666"
 
 /material/steel/holographic
-	name = "holographic " + DEFAULT_WALL_MATERIAL
+	name = "holo" + DEFAULT_WALL_MATERIAL
 	display_name = DEFAULT_WALL_MATERIAL
 	stack_type = null
 	shard_type = SHARD_NONE
@@ -422,7 +439,8 @@ var/list/name_to_material
 	return (hardness > 35) //todo
 
 /material/glass/reinforced
-	name = "reinforced glass"
+	name = "rglass"
+	display_name = "reinforced glass"
 	stack_type = /obj/item/stack/material/glass/reinforced
 	flags = MATERIAL_BRITTLE
 	icon_colour = "#00E1FF"
@@ -440,7 +458,8 @@ var/list/name_to_material
 	rod_product = null
 
 /material/glass/phoron
-	name = "phoron glass"
+	name = "phglass"
+	display_name = "phoron glass"
 	stack_type = /obj/item/stack/material/glass/phoronglass
 	flags = MATERIAL_BRITTLE
 	ignition_point = PHORON_MINIMUM_BURN_TEMPERATURE+300
@@ -452,7 +471,8 @@ var/list/name_to_material
 	rod_product = /obj/item/stack/material/glass/phoronrglass
 
 /material/glass/phoron/reinforced
-	name = "reinforced phoron glass"
+	name = "rphglass"
+	display_name = "reinforced phoron glass"
 	stack_type = /obj/item/stack/material/glass/phoronrglass
 	stack_origin_tech = "materials=4;phorontech=2"
 	composite_material = list() //todo
@@ -473,7 +493,7 @@ var/list/name_to_material
 	stack_origin_tech = "materials=3"
 
 /material/plastic/holographic
-	name = "holographic plastic"
+	name = "holoplastic"
 	display_name = "plastic"
 	stack_type = null
 	shard_type = SHARD_NONE
@@ -551,7 +571,7 @@ var/list/name_to_material
 	sheet_plural_name = "planks"
 
 /material/wood/holographic
-	name = "holographic wood"
+	name = "holowood"
 	display_name = "wood"
 	stack_type = null
 	shard_type = SHARD_NONE

code/modules/mining/machine_processing.dm

@@ -210,7 +210,7 @@
 				var/can_make = Clamp(ores_stored[metal],0,sheets_per_tick-sheets)
 				if(can_make%2>0) can_make--
 
-				var/material/M = name_to_material[O.compresses_to]
+				var/material/M = get_material_by_name(O.compresses_to)
 
 				if(!istype(M) || !can_make || ores_stored[metal] < 1)
 					continue
@@ -224,7 +224,7 @@
 
 				var/can_make = Clamp(ores_stored[metal],0,sheets_per_tick-sheets)
 
-				var/material/M = name_to_material[O.smelts_to]
+				var/material/M = get_material_by_name(O.smelts_to)
 				if(!istype(M) || !can_make || ores_stored[metal] < 1)
 					continue
 

code/modules/mining/mint.dm

@@ -37,26 +37,26 @@
 
 /obj/machinery/mineral/mint/process()
 	if ( src.input)
-		var/obj/item/stack/material/O
-		O = locate(/obj/item/stack/material, input.loc)
+		var/obj/item/stack/O
+		O = locate(/obj/item/stack, input.loc)
 		if(O)
-			if (istype(O,/obj/item/stack/material/gold))
+			var/processed = 1
+			switch(O.get_material_name())
+				if("gold")
 					amt_gold += 100 * O.get_amount()
-				qdel(O)
-			if (istype(O,/obj/item/stack/material/silver))
+				if("silver")
 					amt_silver += 100 * O.get_amount()
-				qdel(O)
-			if (istype(O,/obj/item/stack/material/diamond))
+				if("diamond")
 					amt_diamond += 100 * O.get_amount()
-				qdel(O)
-			if (istype(O,/obj/item/stack/material/phoron))
+				if("phoron")
 					amt_phoron += 100 * O.get_amount()
-				qdel(O)
-			if (istype(O,/obj/item/stack/material/uranium))
+				if("uranium")
 					amt_uranium += 100 * O.get_amount()
-				qdel(O)
-			if (istype(O,/obj/item/stack/material/steel))
+				if(DEFAULT_WALL_MATERIAL)
 					amt_iron += 100 * O.get_amount()
+				else
+					processed = 0
+			if(processed)
 				qdel(O)
 
 /obj/machinery/mineral/mint/attack_hand(user as mob)

code/modules/mob/living/bot/floorbot.dm

@@ -249,8 +249,9 @@
 		target = null
 		repairing = 0
 		update_icons()
-	else if(istype(A, /obj/item/stack/material/steel) && amount + 3 < maxAmount)
-		var/obj/item/stack/material/steel/M = A
+	else if(istype(A, /obj/item/stack/material) && amount + 4 <= maxAmount)
+		var/obj/item/stack/material/M = A
+		if(M.get_material_name() == DEFAULT_WALL_MATERIAL)
 			visible_message("<span class='notice'>[src] begins to make tiles.</span>")
 			repairing = 1
 			update_icons()

code/modules/mob/living/silicon/robot/robot_items.dm

@@ -37,7 +37,7 @@
 				for(var/obj/I in contents)
 					for(var/mob/M in I.contents)
 						M.death()
-					if(istype(I,/obj/item/stack/material))//Only deconsturcts one sheet at a time instead of the entire stack
+					if(istype(I,/obj/item/stack/material))//Only deconstructs one sheet at a time instead of the entire stack
 						var/obj/item/stack/material/S = I
 						if(S.get_amount() > 1)
 							S.use(1)

code/modules/power/solar.dm

@@ -251,7 +251,7 @@ var/list/solars_list = list()
 			playsound(src.loc, 'sound/items/Ratchet.ogg', 75, 1)
 			return 1
 
-		if(istype(W, /obj/item/stack/material/glass))
+		if(istype(W, /obj/item/stack/material) && (W.get_material_name() == "glass" || W.get_material_name() == "rglass"))
 			var/obj/item/stack/material/S = W
 			if(S.use(2))
 				glass_type = W.type

code/modules/projectiles/guns/launcher/crossbow.dm

@@ -254,9 +254,9 @@
 			else
 				user << "<span class='notice'>You need at least five segments of cable coil to complete this task.</span>"
 			return
-	else if(istype(W,/obj/item/stack/material/plastic))
+	else if(istype(W,/obj/item/stack/material) && W.get_material_name() == "plastic")
 		if(buildstate == 3)
-			var/obj/item/stack/material/plastic/P = W
+			var/obj/item/stack/material/P = W
 			if(P.use(3))
 				user << "<span class='notice'>You assemble and install a heavy plastic lath onto the crossbow.</span>"
 				buildstate++

code/modules/projectiles/guns/launcher/pneumatic.dm

@@ -167,9 +167,9 @@
 			buildstate++
 			update_icon()
 			return
-	else if(istype(W,/obj/item/stack/material/steel))
+	else if(istype(W,/obj/item/stack/material) && W.get_material_name() == DEFAULT_WALL_MATERIAL)
 		if(buildstate == 2)
-			var/obj/item/stack/material/steel/M = W
+			var/obj/item/stack/material/M = W
 			if(M.use(5))
 				user << "<span class='notice'>You assemble a chassis around the cannon frame.</span>"
 				buildstate++

code/modules/research/circuitprinter.dm

@@ -104,16 +104,13 @@ using metal and glass, it uses glass and reagents (usually sulfuric acis).
 		return 1
 	if(O.is_open_container())
 		return 0
-//	if(!istype(O, /obj/item/stack/material/glass) && !istype(O, /obj/item/stack/material/gold) && !istype(O, /obj/item/stack/material/diamond) && !istype(O, /obj/item/stack/material/uranium))
-//		user << "<span class='notice'>You cannot insert this item into \the [src]!</span>"
-//		return 1
 	if(stat)
 		return 1
 	if(busy)
 		user << "<span class='notice'>\The [src] is busy. Please wait for completion of previous operation.</span>"
 		return 1
 
-	if(istype(O, /obj/item/stack/material/glass) || istype(O, /obj/item/stack/material/gold) || istype(O, /obj/item/stack/material/diamond) || istype(O, /obj/item/stack/material/uranium))
+	if(istype(O, /obj/item/stack/material) && O.get_material_name() in list("glass", "gold", "diamond", "uranium"))
 
 		var/obj/item/stack/material/stack = O
 		if((TotalMaterials() + stack.perunit) > max_material_amount)

code/modules/research/protolathe.dm

@@ -144,28 +144,27 @@ Note: Must be placed west/left of and R&D console to function.
 		icon_state = "protolathe"
 		busy = 1
 		use_power(max(1000, (3750 * amount / 10)))
-		var/stacktype = stack.type
-		stack.use(amount)
-		if(do_after(user, 16))
+		var/material/material = stack.get_material()
+		if(istype(material) && do_after(user, 16) && stack.use(amount))
 			user << "<span class='notice'>You add [amount] sheets to \the [src].</span>"
 			icon_state = "protolathe"
-			switch(stacktype)
-				if(/obj/item/stack/material/steel)
-					m_amount += amount * 3750
-				if(/obj/item/stack/material/glass)
-					g_amount += amount * 3750
-				if(/obj/item/stack/material/gold)
-					gold_amount += amount * 2000
-				if(/obj/item/stack/material/silver)
-					silver_amount += amount * 2000
-				if(/obj/item/stack/material/phoron)
-					phoron_amount += amount * 2000
-				if(/obj/item/stack/material/uranium)
-					uranium_amount += amount * 2000
-				if(/obj/item/stack/material/diamond)
-					diamond_amount += amount * 2000
-		else
-			new stacktype(loc, amount)
+			
+			var/amount_to_add = amount * material.stack_per_sheet
+			switch(material.name)
+				if(DEFAULT_WALL_MATERIAL)
+					m_amount += amount_to_add
+				if("glass")
+					g_amount += amount_to_add
+				if("gold")
+					gold_amount += amount_to_add
+				if("silver")
+					silver_amount += amount_to_add
+				if("phoron")
+					phoron_amount += amount_to_add
+				if("uranium")
+					uranium_amount += amount_to_add
+				if("diamond")
+					diamond_amount += amount_to_add
 		busy = 0
 		updateUsrDialog()
 		return

code/modules/research/rdconsole.dm

@@ -439,11 +439,10 @@ won't update every console in existence) but it's more of a hassle to do. Also,
 	else if(href_list["lathe_ejectsheet"] && linked_lathe) //Causes the protolathe to eject a sheet of material
 		var/desired_num_sheets = text2num(href_list["amount"])
 		var/res_amount, type
-		var/material/M = name_to_material[href_list["lathe_ejectsheet"]]
+		var/material/M = get_material_by_name(href_list["lathe_ejectsheet"])
 		if(istype(M))
 			type = M.stack_type
-
-		switch(name_to_material[href_list["lathe_ejectsheet"]])
+			switch(M.name)
 				if(DEFAULT_WALL_MATERIAL)
 					res_amount = "m_amount"
 				if("glass")

code/modules/tables/presets.dm

@@ -63,11 +63,11 @@
 		icon_state = "holo_preview"
 		color = "#EEEEEE"
 		New()
-			material = get_material_by_name("holographic [DEFAULT_TABLE_MATERIAL]")
+			material = get_material_by_name("holo[DEFAULT_TABLE_MATERIAL]")
 			..()
 
 	woodentable/holotable
 		icon_state = "holo_preview"
 		New()
-			material = get_material_by_name("holographic wood")
+			material = get_material_by_name("holowood")
 			..()

code/modules/tables/tables.dm

@@ -200,7 +200,7 @@
 
 // Returns the material to set the table to.
 /obj/structure/table/proc/common_material_add(obj/item/stack/material/S, mob/user, verb) // Verb is actually verb without 'e' or 'ing', which is added. Works for 'plate'/'plating' and 'reinforce'/'reinforcing'.
-	var/material/M = name_to_material[S.default_type]
+	var/material/M = S.get_material()
 	if(!istype(M))
 		user << "<span class='warning'>You cannot [verb]e \the [src] with \the [S].</span>"
 		return null