initial commit - cross reference with 5th port - obviously has compile errors

code/game/objects/items/stacks/cash.dm

@@ -0,0 +1,49 @@
+/obj/item/stack/spacecash
+	name = "space cash"
+	desc = "It's worth 1 credit."
+	singular_name = "bill"
+	icon = 'icons/obj/economy.dmi'
+	icon_state = "spacecash"
+	amount = 1
+	max_amount = 20
+	throwforce = 0
+	throw_speed = 2
+	throw_range = 2
+	w_class = 1
+	burn_state = FLAMMABLE
+	var/value = 1
+
+/obj/item/stack/spacecash/c10
+	icon_state = "spacecash10"
+	desc = "It's worth 10 credits."
+	value = 10
+
+/obj/item/stack/spacecash/c20
+	icon_state = "spacecash20"
+	desc = "It's worth 20 credits."
+	value = 20
+
+/obj/item/stack/spacecash/c50
+	icon_state = "spacecash50"
+	desc = "It's worth 50 credits."
+	value = 50
+
+/obj/item/stack/spacecash/c100
+	icon_state = "spacecash100"
+	desc = "It's worth 100 credits."
+	value = 100
+
+/obj/item/stack/spacecash/c200
+	icon_state = "spacecash200"
+	desc = "It's worth 200 credits."
+	value = 200
+
+/obj/item/stack/spacecash/c500
+	icon_state = "spacecash500"
+	desc = "It's worth 500 credits."
+	value = 500
+
+/obj/item/stack/spacecash/c1000
+	icon_state = "spacecash1000"
+	desc = "It's worth 1000 credits."
+	value = 1000

code/game/objects/items/stacks/medical.dm

@@ -0,0 +1,139 @@
+/obj/item/stack/medical
+	name = "medical pack"
+	singular_name = "medical pack"
+	icon = 'icons/obj/items.dmi'
+	amount = 6
+	max_amount = 6
+	w_class = 1
+	throw_speed = 3
+	throw_range = 7
+	burn_state = FLAMMABLE
+	burntime = 5
+	var/heal_brute = 0
+	var/heal_burn = 0
+	var/stop_bleeding = 0
+	var/self_delay = 50
+
+/obj/item/stack/medical/attack(mob/living/M, mob/user)
+
+	if(M.stat == 2)
+		var/t_him = "it"
+		if(M.gender == MALE)
+			t_him = "him"
+		else if(M.gender == FEMALE)
+			t_him = "her"
+		user << "<span class='danger'>\The [M] is dead, you cannot help [t_him]!</span>"
+		return
+
+	if(!istype(M, /mob/living/carbon) && !istype(M, /mob/living/simple_animal))
+		user << "<span class='danger'>You don't know how to apply \the [src] to [M]!</span>"
+		return 1
+
+	var/obj/item/bodypart/affecting
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		affecting = H.get_bodypart(check_zone(user.zone_selected))
+		if(!affecting) //Missing limb?
+			user << "<span class='warning'>[H] doesn't have \a [parse_zone(user.zone_selected)]!</span>"
+			return
+		if(stop_bleeding)
+			if(H.bleedsuppress)
+				user << "<span class='warning'>[H]'s bleeding is already bandaged!</span>"
+				return
+			else if(!H.bleed_rate)
+				user << "<span class='warning'>[H] isn't bleeding!</span>"
+				return
+
+
+	if(isliving(M))
+		if(!M.can_inject(user, 1))
+			return
+
+	if(user)
+		if (M != user)
+			if (istype(M, /mob/living/simple_animal))
+				var/mob/living/simple_animal/critter = M
+				if (!(critter.healable))
+					user << "<span class='notice'> You cannot use [src] on [M]!</span>"
+					return
+				else if (critter.health == critter.maxHealth)
+					user << "<span class='notice'> [M] is at full health.</span>"
+					return
+				else if(src.heal_brute < 1)
+					user << "<span class='notice'> [src] won't help [M] at all.</span>"
+					return
+			user.visible_message("<span class='green'>[user] applies [src] on [M].</span>", "<span class='green'>You apply [src] on [M].</span>")
+		else
+			var/t_himself = "itself"
+			if(user.gender == MALE)
+				t_himself = "himself"
+			else if(user.gender == FEMALE)
+				t_himself = "herself"
+			user.visible_message("<span class='notice'>[user] starts to apply [src] on [t_himself]...</span>", "<span class='notice'>You begin applying [src] on yourself...</span>")
+			if(!do_mob(user, M, self_delay))
+				return
+			user.visible_message("<span class='green'>[user] applies [src] on [t_himself].</span>", "<span class='green'>You apply [src] on yourself.</span>")
+
+
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		affecting = H.get_bodypart(check_zone(user.zone_selected))
+		if(!affecting) //Missing limb?
+			user << "<span class='warning'>[H] doesn't have \a [parse_zone(user.zone_selected)]!</span>"
+			return
+		if(stop_bleeding)
+			if(!H.bleedsuppress) //so you can't stack bleed suppression
+				H.suppress_bloodloss(stop_bleeding)
+		if(affecting.status == ORGAN_ORGANIC) //Limb must be organic to be healed - RR
+			if(affecting.heal_damage(src.heal_brute, src.heal_burn, 0))
+				H.update_damage_overlays(0)
+
+			M.updatehealth()
+		else
+			user << "<span class='notice'>Medicine won't work on a robotic limb!</span>"
+	else
+		M.heal_organ_damage((src.heal_brute/2), (src.heal_burn/2))
+
+
+	use(1)
+
+
+
+/obj/item/stack/medical/bruise_pack
+	name = "bruise pack"
+	singular_name = "bruise pack"
+	desc = "A theraputic gel pack and bandages designed to treat blunt-force trauma."
+	icon_state = "brutepack"
+	heal_brute = 40
+	origin_tech = "biotech=2"
+	self_delay = 20
+
+/obj/item/stack/medical/gauze
+	name = "medical gauze"
+	desc = "A roll of elastic cloth that is extremely effective at stopping bleeding, but does not heal wounds."
+	gender = PLURAL
+	singular_name = "medical gauze"
+	icon_state = "gauze"
+	stop_bleeding = 1800
+	self_delay = 20
+
+/obj/item/stack/medical/gauze/improvised
+	name = "improvised gauze"
+	singular_name = "improvised gauze"
+	desc = "A roll of cloth roughly cut from something that can stop bleeding, but does not heal wounds."
+	stop_bleeding = 900
+
+/obj/item/stack/medical/gauze/cyborg/
+	materials = list()
+	is_cyborg = 1
+	cost = 250
+
+/obj/item/stack/medical/ointment
+	name = "ointment"
+	desc = "Used to treat those nasty burn wounds."
+	gender = PLURAL
+	singular_name = "ointment"
+	icon_state = "ointment"
+	heal_burn = 40
+	origin_tech = "biotech=2"
+	self_delay = 20

code/game/objects/items/stacks/rods.dm

@@ -0,0 +1,75 @@
+var/global/list/datum/stack_recipe/rod_recipes = list ( \
+	new/datum/stack_recipe("grille", /obj/structure/grille, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("table frame", /obj/structure/table_frame, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("scooter frame", /obj/item/scooter_frame, 10, time = 25, one_per_turf = 0), \
+	)
+
+/obj/item/stack/rods
+	name = "metal rod"
+	desc = "Some rods. Can be used for building, or something."
+	singular_name = "metal rod"
+	icon_state = "rods"
+	item_state = "rods"
+	flags = CONDUCT
+	w_class = 3
+	force = 9
+	throwforce = 10
+	throw_speed = 3
+	throw_range = 7
+	materials = list(MAT_METAL=1000)
+	max_amount = 50
+	attack_verb = list("hit", "bludgeoned", "whacked")
+	hitsound = 'sound/weapons/grenadelaunch.ogg'
+
+/obj/item/stack/rods/New(var/loc, var/amount=null)
+	..()
+
+	recipes = rod_recipes
+	update_icon()
+
+/obj/item/stack/rods/update_icon()
+	var/amount = get_amount()
+	if((amount <= 5) && (amount > 0))
+		icon_state = "rods-[amount]"
+	else
+		icon_state = "rods"
+
+/obj/item/stack/rods/attackby(obj/item/W, mob/user, params)
+	if (istype(W, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/WT = W
+
+		if(get_amount() < 2)
+			user << "<span class='warning'>You need at least two rods to do this!</span>"
+			return
+
+		if(WT.remove_fuel(0,user))
+			var/obj/item/stack/sheet/metal/new_item = new(usr.loc)
+			user.visible_message("[user.name] shaped [src] into metal with the welding tool.", \
+						 "<span class='notice'>You shape [src] into metal with the welding tool.</span>", \
+						 "<span class='italics'>You hear welding.</span>")
+			var/obj/item/stack/rods/R = src
+			src = null
+			var/replace = (user.get_inactive_hand()==R)
+			R.use(2)
+			if (!R && replace)
+				user.put_in_hands(new_item)
+
+	else if(istype(W,/obj/item/weapon/reagent_containers/food/snacks))
+		var/obj/item/weapon/reagent_containers/food/snacks/S = W
+		if(amount != 1)
+			user << "<span class='warning'>You must use a single rod!</span>"
+		else if(S.w_class > 2)
+			user << "<span class='warning'>The ingredient is too big for [src]!</span>"
+		else
+			var/obj/item/weapon/reagent_containers/food/snacks/customizable/A = new/obj/item/weapon/reagent_containers/food/snacks/customizable/kebab(get_turf(src))
+			A.initialize_custom_food(src, S, user)
+	else
+		return ..()
+
+/obj/item/stack/rods/cyborg/
+	materials = list()
+	is_cyborg = 1
+	cost = 250
+
+/obj/item/stack/rods/cyborg/update_icon()
+	return

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

@@ -0,0 +1,362 @@
+/* Glass stack types
+ * Contains:
+ *		Glass sheets
+ *		Reinforced glass sheets
+ *		Glass shards - TODO: Move this into code/game/object/item/weapons
+ */
+
+/*
+ * Glass sheets
+ */
+/obj/item/stack/sheet/glass
+	name = "glass"
+	desc = "HOLY SHEET! That is a lot of glass."
+	singular_name = "glass sheet"
+	icon_state = "sheet-glass"
+	materials = list(MAT_GLASS=MINERAL_MATERIAL_AMOUNT)
+	origin_tech = "materials=1"
+
+/obj/item/stack/sheet/glass/cyborg
+	materials = list()
+	is_cyborg = 1
+	cost = 500
+
+/obj/item/stack/sheet/glass/fifty
+	amount = 50
+
+/obj/item/stack/sheet/glass/attack_self(mob/user)
+	construct_window(user)
+
+/obj/item/stack/sheet/glass/attackby(obj/item/W, mob/user, params)
+	add_fingerprint(user)
+	if(istype(W, /obj/item/stack/cable_coil))
+		var/obj/item/stack/cable_coil/CC = W
+		if (get_amount() < 1 || CC.get_amount() < 5)
+			user << "<span class='warning>You need five lengths of coil and one sheet of glass to make wired glass!</span>"
+			return
+		CC.use(5)
+		use(1)
+		user << "<span class='notice'>You attach wire to the [name].</span>"
+		var/obj/item/stack/light_w/new_tile = new(user.loc)
+		new_tile.add_fingerprint(user)
+	else if(istype(W, /obj/item/stack/rods))
+		var/obj/item/stack/rods/V = W
+		if (V.get_amount() >= 1 && src.get_amount() >= 1)
+			var/obj/item/stack/sheet/rglass/RG = new (user.loc)
+			RG.add_fingerprint(user)
+			var/obj/item/stack/sheet/glass/G = src
+			src = null
+			var/replace = (user.get_inactive_hand()==G)
+			V.use(1)
+			G.use(1)
+			if (!G && replace)
+				user.put_in_hands(RG)
+		else
+			user << "<span class='warning'>You need one rod and one sheet of glass to make reinforced glass!</span>"
+			return
+	else
+		return ..()
+
+/obj/item/stack/sheet/glass/proc/construct_window(mob/user)
+	if(!user || !src)
+		return 0
+	if(!istype(user.loc,/turf))
+		return 0
+	if(!user.IsAdvancedToolUser())
+		user << "<span class='warning'>You don't have the dexterity to do this!</span>"
+		return 0
+	if(zero_amount())
+		return 0
+	var/title = "Sheet-Glass"
+	title += " ([src.get_amount()] sheet\s left)"
+	switch(alert(title, "Would you like full tile glass or one direction?", "One Direction", "Full Window", "Cancel", null))
+		if("One Direction")
+			if(!src)
+				return 1
+			if(src.loc != user)
+				return 1
+
+			var/list/directions = new/list(cardinal)
+			var/i = 0
+			for (var/obj/structure/window/win in user.loc)
+				i++
+				if(i >= 4)
+					user << "<span class='warning'>There are too many windows in this location.</span>"
+					return 1
+				directions-=win.dir
+				if(!(win.ini_dir in cardinal))
+					user << "<span class='danger'>Can't let you do that.</span>"
+					return 1
+
+			//Determine the direction. It will first check in the direction the person making the window is facing, if it finds an already made window it will try looking at the next cardinal direction, etc.
+			var/dir_to_set = 2
+			for(var/direction in list( user.dir, turn(user.dir,90), turn(user.dir,180), turn(user.dir,270) ))
+				var/found = 0
+				for(var/obj/structure/window/WT in user.loc)
+					if(WT.dir == direction)
+						found = 1
+				if(!found)
+					dir_to_set = direction
+					break
+
+			var/obj/structure/window/W
+			W = new /obj/structure/window( user.loc, 0 )
+			W.setDir(dir_to_set)
+			W.ini_dir = W.dir
+			W.anchored = 0
+			W.air_update_turf(1)
+			src.use(1)
+			W.add_fingerprint(user)
+		if("Full Window")
+			if(!src)
+				return 1
+			if(src.loc != user)
+				return 1
+			if(src.get_amount() < 2)
+				user << "<span class='warning'>You need more glass to do that!</span>"
+				return 1
+			if(locate(/obj/structure/window) in user.loc)
+				user << "<span class='warning'>There is a window in the way!</span>"
+				return 1
+			var/obj/structure/window/W
+			W = new /obj/structure/window/fulltile( user.loc, 0 )
+			W.anchored = 0
+			W.air_update_turf(1)
+			W.add_fingerprint(user)
+			src.use(2)
+	return 0
+
+
+/*
+ * Reinforced glass sheets
+ */
+/obj/item/stack/sheet/rglass
+	name = "reinforced glass"
+	desc = "Glass which seems to have rods or something stuck in them."
+	singular_name = "reinforced glass sheet"
+	icon_state = "sheet-rglass"
+	materials = list(MAT_METAL=MINERAL_MATERIAL_AMOUNT/2, MAT_GLASS=MINERAL_MATERIAL_AMOUNT)
+	origin_tech = "materials=2"
+
+/obj/item/stack/sheet/rglass/cyborg
+	materials = list()
+	var/datum/robot_energy_storage/metsource
+	var/datum/robot_energy_storage/glasource
+	var/metcost = 250
+	var/glacost = 500
+
+/obj/item/stack/sheet/rglass/cyborg/get_amount()
+	return min(round(metsource.energy / metcost), round(glasource.energy / glacost))
+
+/obj/item/stack/sheet/rglass/cyborg/use(amount) // Requires special checks, because it uses two storages
+	metsource.use_charge(amount * metcost)
+	glasource.use_charge(amount * glacost)
+	return
+
+/obj/item/stack/sheet/rglass/cyborg/add(amount)
+	metsource.add_charge(amount * metcost)
+	glasource.add_charge(amount * glacost)
+	return
+
+/obj/item/stack/sheet/rglass/attack_self(mob/user)
+	construct_window(user)
+
+/obj/item/stack/sheet/rglass/proc/construct_window(mob/user)
+	if(!user || !src)
+		return 0
+	if(!istype(user.loc,/turf))
+		return 0
+	if(!user.IsAdvancedToolUser())
+		user << "<span class='warning'>You don't have the dexterity to do this!</span>"
+		return 0
+	var/title = "Sheet Reinf. Glass"
+	title += " ([src.get_amount()] sheet\s left)"
+	switch(input(title, "Would you like full tile glass a one direction glass pane or a windoor?") in list("One Direction", "Full Window", "Windoor", "Cancel"))
+		if("One Direction")
+			if(!src)
+				return 1
+			if(src.loc != user)
+				return 1
+			var/list/directions = new/list(cardinal)
+			var/i = 0
+			for (var/obj/structure/window/win in user.loc)
+				i++
+				if(i >= 4)
+					user << "<span class='danger'>There are too many windows in this location.</span>"
+					return 1
+				directions-=win.dir
+				if(!(win.ini_dir in cardinal))
+					user << "<span class='danger'>Can't let you do that.</span>"
+					return 1
+
+			//Determine the direction. It will first check in the direction the person making the window is facing, if it finds an already made window it will try looking at the next cardinal direction, etc.
+			var/dir_to_set = 2
+			for(var/direction in list( user.dir, turn(user.dir,90), turn(user.dir,180), turn(user.dir,270) ))
+				var/found = 0
+				for(var/obj/structure/window/WT in user.loc)
+					if(WT.dir == direction)
+						found = 1
+				if(!found)
+					dir_to_set = direction
+					break
+
+			var/obj/structure/window/W
+			W = new /obj/structure/window/reinforced( user.loc, 1 )
+			W.state = 0
+			W.setDir(dir_to_set)
+			W.ini_dir = W.dir
+			W.anchored = 0
+			W.add_fingerprint(user)
+			src.use(1)
+
+		if("Full Window")
+			if(!src)
+				return 1
+			if(src.loc != user)
+				return 1
+			if(src.get_amount() < 2)
+				user << "<span class='warning'>You need more glass to do that!</span>"
+				return 1
+			if(locate(/obj/structure/window) in user.loc)
+				user << "<span class='warning'>There is a window in the way!</span>"
+				return 1
+			var/obj/structure/window/W
+			W = new /obj/structure/window/reinforced/fulltile(user.loc, 1)
+			W.state = 0
+			W.anchored = 0
+			W.add_fingerprint(user)
+			src.use(2)
+
+		if("Windoor")
+			if(!src || src.loc != user || !isturf(user.loc))
+				return 1
+
+			for(var/obj/structure/windoor_assembly/WA in user.loc)
+				if(WA.dir == user.dir)
+					user << "<span class='warning'>There is already a windoor assembly in that location!</span>"
+					return 1
+
+			for(var/obj/machinery/door/window/W in user.loc)
+				if(W.dir == user.dir)
+					user << "<span class='warning'>There is already a windoor in that location!</span>"
+					return 1
+
+			if(src.get_amount() < 5)
+				user << "<span class='warning'>You need more glass to do that!</span>"
+				return 1
+
+			var/obj/structure/windoor_assembly/WD = new(user.loc)
+			WD.state = "01"
+			WD.anchored = 0
+			WD.add_fingerprint(user)
+			src.use(5)
+			switch(user.dir)
+				if(SOUTH)
+					WD.setDir(SOUTH)
+					WD.ini_dir = SOUTH
+				if(EAST)
+					WD.setDir(EAST)
+					WD.ini_dir = EAST
+				if(WEST)
+					WD.setDir(WEST)
+					WD.ini_dir = WEST
+				else //If the user is facing northeast. northwest, southeast, southwest or north, default to north
+					WD.setDir(NORTH)
+					WD.ini_dir = NORTH
+		else
+			return 1
+
+
+	return 0
+
+
+/obj/item/weapon/shard
+	name = "shard"
+	desc = "A nasty looking shard of glass."
+	icon = 'icons/obj/shards.dmi'
+	icon_state = "large"
+	w_class = 1
+	force = 5
+	throwforce = 10
+	item_state = "shard-glass"
+	materials = list(MAT_GLASS=MINERAL_MATERIAL_AMOUNT)
+	attack_verb = list("stabbed", "slashed", "sliced", "cut")
+	hitsound = 'sound/weapons/bladeslice.ogg'
+	var/cooldown = 0
+	sharpness = IS_SHARP
+
+/obj/item/weapon/shard/suicide_act(mob/user)
+	user.visible_message(pick("<span class='suicide'>[user] is slitting \his wrists with the shard of glass! It looks like \he's trying to commit suicide.</span>", \
+						"<span class='suicide'>[user] is slitting \his throat with the shard of glass! It looks like \he's trying to commit suicide.</span>"))
+	return (BRUTELOSS)
+
+
+/obj/item/weapon/shard/New()
+	icon_state = pick("large", "medium", "small")
+	switch(icon_state)
+		if("small")
+			pixel_x = rand(-12, 12)
+			pixel_y = rand(-12, 12)
+		if("medium")
+			pixel_x = rand(-8, 8)
+			pixel_y = rand(-8, 8)
+		if("large")
+			pixel_x = rand(-5, 5)
+			pixel_y = rand(-5, 5)
+
+/obj/item/weapon/shard/afterattack(atom/A as mob|obj, mob/user, proximity)
+	if(!proximity || !(src in user))
+		return
+	if(isturf(A))
+		return
+	if(istype(A, /obj/item/weapon/storage))
+		return
+
+	if(ishuman(user))
+		var/mob/living/carbon/human/H = user
+		if(!H.gloves && !(PIERCEIMMUNE in H.dna.species.specflags)) // golems, etc
+			H << "<span class='warning'>[src] cuts into your hand!</span>"
+			var/organ = (H.hand ? "l_" : "r_") + "arm"
+			var/obj/item/bodypart/affecting = H.get_bodypart(organ)
+			if(affecting && affecting.take_damage(force / 2))
+				H.update_damage_overlays(0)
+	else if(ismonkey(user))
+		var/mob/living/carbon/monkey/M = user
+		M << "<span class='warning'>[src] cuts into your hand!</span>"
+		M.adjustBruteLoss(force / 2)
+
+
+/obj/item/weapon/shard/attackby(obj/item/I, mob/user, params)
+	if(istype(I, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/WT = I
+		if(WT.remove_fuel(0, user))
+			var/obj/item/stack/sheet/glass/NG = new (user.loc)
+			for(var/obj/item/stack/sheet/glass/G in user.loc)
+				if(G == NG)
+					continue
+				if(G.amount >= G.max_amount)
+					continue
+				G.attackby(NG, user)
+			user << "<span class='notice'>You add the newly-formed glass to the stack. It now contains [NG.amount] sheet\s.</span>"
+			qdel(src)
+	else
+		return ..()
+
+/obj/item/weapon/shard/Crossed(mob/AM)
+	if(istype(AM) && has_gravity(loc))
+		playsound(loc, 'sound/effects/glass_step.ogg', 50, 1)
+		if(ishuman(AM))
+			var/mob/living/carbon/human/H = AM
+			if(PIERCEIMMUNE in H.dna.species.specflags)
+				return
+			var/picked_def_zone = pick("l_leg", "r_leg")
+			var/obj/item/bodypart/O = H.get_bodypart(picked_def_zone)
+			if(!istype(O))
+				return
+			if(!H.shoes)
+				H.apply_damage(5, BRUTE, picked_def_zone)
+				H.Weaken(3)
+				if(cooldown < world.time - 10) //cooldown to avoid message spam.
+					H.visible_message("<span class='danger'>[H] steps in the broken glass!</span>", \
+							"<span class='userdanger'>You step in the broken glass!</span>")
+					cooldown = world.time

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

@@ -0,0 +1,210 @@
+/obj/item/stack/sheet/animalhide
+	name = "hide"
+	desc = "Something went wrong."
+	origin_tech = "biotech=3"
+
+/obj/item/stack/sheet/animalhide/human
+	name = "human skin"
+	desc = "The by-product of human farming."
+	singular_name = "human skin piece"
+	icon_state = "sheet-hide"
+
+var/global/list/datum/stack_recipe/human_recipes = list( \
+	new/datum/stack_recipe("bloated human costume", /obj/item/clothing/suit/hooded/bloated_human, 5, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/animalhide/human/New(var/loc, var/amount=null)
+	recipes = human_recipes
+	return ..()
+
+/obj/item/stack/sheet/animalhide/generic
+	name = "generic skin"
+	desc = "A piece of generic skin."
+	singular_name = "generic skin piece"
+	icon_state = "sheet-hide"
+
+/obj/item/stack/sheet/animalhide/corgi
+	name = "corgi hide"
+	desc = "The by-product of corgi farming."
+	singular_name = "corgi hide piece"
+	icon_state = "sheet-corgi"
+
+var/global/list/datum/stack_recipe/corgi_recipes = list ( \
+	new/datum/stack_recipe("corgi costume", /obj/item/clothing/suit/hooded/ian_costume, 3, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/animalhide/corgi/New(var/loc, var/amount=null)
+	recipes = corgi_recipes
+	return ..()
+
+/obj/item/stack/sheet/animalhide/cat
+	name = "cat hide"
+	desc = "The by-product of cat farming."
+	singular_name = "cat hide piece"
+	icon_state = "sheet-cat"
+
+/obj/item/stack/sheet/animalhide/monkey
+	name = "monkey hide"
+	desc = "The by-product of monkey farming."
+	singular_name = "monkey hide piece"
+	icon_state = "sheet-monkey"
+
+var/global/list/datum/stack_recipe/monkey_recipes = list ( \
+	new/datum/stack_recipe("monkey mask", /obj/item/clothing/mask/gas/monkeymask, 1, on_floor = 1), \
+	new/datum/stack_recipe("monkey suit", /obj/item/clothing/suit/monkeysuit, 2, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/animalhide/monkey/New(var/loc, var/amount=null)
+	recipes = monkey_recipes
+	return ..()
+
+/obj/item/stack/sheet/animalhide/lizard
+	name = "lizard skin"
+	desc = "Sssssss..."
+	singular_name = "lizard skin piece"
+	icon_state = "sheet-lizard"
+
+/obj/item/stack/sheet/animalhide/xeno
+	name = "alien hide"
+	desc = "The skin of a terrible creature."
+	singular_name = "alien hide piece"
+	icon_state = "sheet-xeno"
+
+var/global/list/datum/stack_recipe/xeno_recipes = list ( \
+	new/datum/stack_recipe("alien helmet", /obj/item/clothing/head/xenos, 1, on_floor = 1), \
+	new/datum/stack_recipe("alien suit", /obj/item/clothing/suit/xenos, 2, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/animalhide/xeno/New(var/loc, var/amount=null)
+	recipes = xeno_recipes
+	return ..()
+
+//don't see anywhere else to put these, maybe together they could be used to make the xenos suit?
+/obj/item/stack/sheet/xenochitin
+	name = "alien chitin"
+	desc = "A piece of the hide of a terrible creature."
+	singular_name = "alien hide piece"
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "chitin"
+	origin_tech = null
+
+/obj/item/xenos_claw
+	name = "alien claw"
+	desc = "The claw of a terrible creature."
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "claw"
+	origin_tech = null
+
+/obj/item/weed_extract
+	name = "weed extract"
+	desc = "A piece of slimy, purplish weed."
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "weed_extract"
+	origin_tech = null
+
+/obj/item/stack/sheet/hairlesshide
+	name = "hairless hide"
+	desc = "This hide was stripped of it's hair, but still needs tanning."
+	singular_name = "hairless hide piece"
+	icon_state = "sheet-hairlesshide"
+	origin_tech = null
+
+/obj/item/stack/sheet/wetleather
+	name = "wet leather"
+	desc = "This leather has been cleaned but still needs to be dried."
+	singular_name = "wet leather piece"
+	icon_state = "sheet-wetleather"
+	origin_tech = null
+	var/wetness = 30 //Reduced when exposed to high temperautres
+	var/drying_threshold_temperature = 500 //Kelvin to start drying
+
+/obj/item/stack/sheet/leather
+	name = "leather"
+	desc = "The by-product of mob grinding."
+	singular_name = "leather piece"
+	icon_state = "sheet-leather"
+	origin_tech = "materials=2"
+
+/obj/item/stack/sheet/sinew
+	name = "watcher sinew"
+	icon = 'icons/obj/mining.dmi'
+	desc = "Long stringy filaments which presumably came from a watcher's wings."
+	singular_name = "watcher sinew"
+	icon_state = "sinew"
+	origin_tech = "biotech=4"
+
+
+var/global/list/datum/stack_recipe/sinew_recipes = list ( \
+	new/datum/stack_recipe("sinew restraints", /obj/item/weapon/restraints/handcuffs/sinew, 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/sinew/New(var/loc, var/amount=null)
+	recipes = sinew_recipes
+	return ..()
+		/*
+ * Plates
+ 		*/
+
+/obj/item/stack/sheet/animalhide/goliath_hide
+	name = "goliath hide plates"
+	desc = "Pieces of a goliath's rocky hide, these might be able to make your suit a bit more durable to attack from the local fauna."
+	icon = 'icons/obj/mining.dmi'
+	icon_state = "goliath_hide"
+	singular_name = "hide plate"
+	flags = NOBLUDGEON
+	w_class = 3
+	layer = MOB_LAYER
+
+/obj/item/stack/sheet/animalhide/ashdrake
+	name = "ash drake hide"
+	desc = "The strong, scaled hide of an ash drake."
+	icon = 'icons/obj/mining.dmi'
+	icon_state = "dragon_hide"
+	singular_name = "drake plate"
+	flags = NOBLUDGEON
+	w_class = 3
+	layer = MOB_LAYER
+
+
+//Step one - dehairing.
+
+/obj/item/stack/sheet/animalhide/attackby(obj/item/weapon/W, mob/user, params)
+	if(is_sharp(W))
+		playsound(loc, 'sound/weapons/slice.ogg', 50, 1, -1)
+		user.visible_message("[user] starts cutting hair off \the [src].", "<span class='notice'>You start cutting the hair off \the [src]...</span>", "<span class='italics'>You hear the sound of a knife rubbing against flesh.</span>")
+		if(do_after(user,50, target = src))
+			user << "<span class='notice'>You cut the hair from this [src.singular_name].</span>"
+			//Try locating an exisitng stack on the tile and add to there if possible
+			for(var/obj/item/stack/sheet/hairlesshide/HS in user.loc)
+				if(HS.amount < 50)
+					HS.amount++
+					use(1)
+					break
+			//If it gets to here it means it did not find a suitable stack on the tile.
+			var/obj/item/stack/sheet/hairlesshide/HS = new(user.loc)
+			HS.amount = 1
+			use(1)
+	else
+		return ..()
+
+
+//Step two - washing..... it's actually in washing machine code.
+
+//Step three - drying
+/obj/item/stack/sheet/wetleather/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+	..()
+	if(exposed_temperature >= drying_threshold_temperature)
+		wetness--
+		if(wetness == 0)
+			//Try locating an exisitng stack on the tile and add to there if possible
+			for(var/obj/item/stack/sheet/leather/HS in src.loc)
+				if(HS.amount < 50)
+					HS.amount++
+					src.use(1)
+					wetness = initial(wetness)
+					break
+			//If it gets to here it means it did not find a suitable stack on the tile.
+			var/obj/item/stack/sheet/leather/HS = new(src.loc)
+			HS.amount = 1
+			wetness = initial(wetness)
+			src.use(1)

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

@@ -0,0 +1,38 @@
+/obj/item/stack/light_w
+	name = "wired glass tile"
+	singular_name = "wired glass floor tile"
+	desc = "A glass tile, which is wired, somehow."
+	icon = 'icons/obj/tiles.dmi'
+	icon_state = "glass_wire"
+	w_class = 3
+	force = 3
+	throwforce = 5
+	throw_speed = 3
+	throw_range = 7
+	flags = CONDUCT
+	max_amount = 60
+
+/obj/item/stack/light_w/attackby(obj/item/O, mob/user, params)
+
+	if(istype(O,/obj/item/weapon/wirecutters))
+		var/obj/item/stack/cable_coil/CC = new (user.loc)
+		CC.amount = 5
+		CC.add_fingerprint(user)
+		amount--
+		var/obj/item/stack/sheet/glass/G = new (user.loc)
+		G.add_fingerprint(user)
+		if(amount <= 0)
+			user.unEquip(src, 1)
+			qdel(src)
+
+	else if(istype(O, /obj/item/stack/sheet/metal))
+		var/obj/item/stack/sheet/metal/M = O
+		if (M.use(1))
+			use(1)
+			var/obj/item/stack/tile/light/L = new (user.loc)
+			user << "<span class='notice'>You make a light tile.</span>"
+			L.add_fingerprint(user)
+		else
+			user << "<span class='warning'>You need one metal sheet to finish the light tile!</span>"
+	else
+		return ..()

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

@@ -0,0 +1,320 @@
+/*
+Mineral Sheets
+	Contains:
+		- Sandstone
+		- Sandbags
+		- Diamond
+		- Snow
+		- Uranium
+		- Plasma
+		- Gold
+		- Silver
+		- Clown
+	Others:
+		- Adamantine
+		- Mythril
+		- Enriched Uranium
+		- Abductor
+*/
+
+/obj/item/stack/sheet/mineral
+	icon = 'icons/obj/mining.dmi'
+
+/*
+ * Sandstone
+ */
+
+var/global/list/datum/stack_recipe/sandstone_recipes = list ( \
+	new/datum/stack_recipe("pile of dirt", /obj/machinery/hydroponics/soil, 3, time = 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("sandstone door", /obj/structure/mineral_door/sandstone, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Assistant Statue", /obj/structure/statue/sandstone/assistant, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Breakdown into sand", /obj/item/weapon/ore/glass, 1, one_per_turf = 0, on_floor = 1), \
+/*	new/datum/stack_recipe("sandstone wall", ???), \
+		new/datum/stack_recipe("sandstone floor", ???),\ */
+	)
+
+/obj/item/stack/sheet/mineral/sandstone
+	name = "sandstone brick"
+	desc = "This appears to be a combination of both sand and stone."
+	singular_name = "sandstone brick"
+	icon_state = "sheet-sandstone"
+	throw_speed = 3
+	throw_range = 5
+	origin_tech = "materials=1"
+	materials = list(MAT_GLASS=MINERAL_MATERIAL_AMOUNT)
+	sheettype = "sandstone"
+
+/obj/item/stack/sheet/mineral/sandstone/New(var/loc, var/amount=null)
+	recipes = sandstone_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/obj/item/stack/sheet/mineral/sandstone/thirty
+	amount = 30
+
+/*
+ * Sandbags
+ */
+
+/obj/item/stack/sheet/mineral/sandbags
+	name = "sandbags"
+	icon = 'icons/obj/items.dmi'
+	icon_state = "sandbags"
+	singular_name = "sandbag"
+	layer = LOW_ITEM_LAYER
+	origin_tech = "materials=2"
+
+var/global/list/datum/stack_recipe/sandbag_recipes = list ( \
+	new/datum/stack_recipe("sandbags", /obj/structure/barricade/sandbags, 1, time = 25, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/sandbags/New(var/loc, var/amount=null)
+	recipes = sandbag_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Diamond
+ */
+/obj/item/stack/sheet/mineral/diamond
+	name = "diamond"
+	icon_state = "sheet-diamond"
+	singular_name = "diamond"
+	origin_tech = "materials=6"
+	sheettype = "diamond"
+	materials = list(MAT_DIAMOND=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/diamond_recipes = list ( \
+	new/datum/stack_recipe("diamond door", /obj/structure/mineral_door/transparent/diamond, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("diamond tile", /obj/item/stack/tile/mineral/diamond, 1, 4, 20),  \
+	new/datum/stack_recipe("Captain Statue", /obj/structure/statue/diamond/captain, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("AI Hologram Statue", /obj/structure/statue/diamond/ai1, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("AI Core Statue", /obj/structure/statue/diamond/ai2, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/diamond/New(var/loc, var/amount=null)
+	recipes = diamond_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Uranium
+ */
+/obj/item/stack/sheet/mineral/uranium
+	name = "uranium"
+	icon_state = "sheet-uranium"
+	singular_name = "uranium sheet"
+	origin_tech = "materials=5"
+	sheettype = "uranium"
+	materials = list(MAT_URANIUM=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/uranium_recipes = list ( \
+	new/datum/stack_recipe("uranium door", /obj/structure/mineral_door/uranium, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("uranium tile", /obj/item/stack/tile/mineral/uranium, 1, 4, 20), \
+	new/datum/stack_recipe("Nuke Statue", /obj/structure/statue/uranium/nuke, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Engineer Statue", /obj/structure/statue/uranium/eng, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/uranium/New(var/loc, var/amount=null)
+	recipes = uranium_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Plasma
+ */
+/obj/item/stack/sheet/mineral/plasma
+	name = "solid plasma"
+	icon_state = "sheet-plasma"
+	singular_name = "plasma sheet"
+	origin_tech = "plasmatech=2;materials=2"
+	sheettype = "plasma"
+	burn_state = FLAMMABLE
+	burntime = 5
+	materials = list(MAT_PLASMA=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/plasma_recipes = list ( \
+	new/datum/stack_recipe("plasma door", /obj/structure/mineral_door/transparent/plasma, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("plasma tile", /obj/item/stack/tile/mineral/plasma, 1, 4, 20), \
+	new/datum/stack_recipe("Scientist Statue", /obj/structure/statue/plasma/scientist, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/plasma/New(var/loc, var/amount=null)
+	recipes = plasma_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/obj/item/stack/sheet/mineral/plasma/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
+	if(W.is_hot() > 300)//If the temperature of the object is over 300, then ignite
+		message_admins("Plasma sheets ignited by [key_name_admin(user)](<A HREF='?_src_=holder;adminmoreinfo=\ref[user]'>?</A>) (<A HREF='?_src_=holder;adminplayerobservefollow=\ref[user]'>FLW</A>) in ([x],[y],[z] - <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>)",0,1)
+		log_game("Plasma sheets ignited by [key_name(user)] in ([x],[y],[z])")
+		fire_act()
+	else
+		return ..()
+
+/obj/item/stack/sheet/mineral/plasma/fire_act()
+	atmos_spawn_air("plasma=[amount*10];TEMP=1000")
+	qdel(src)
+
+/*
+ * Gold
+ */
+/obj/item/stack/sheet/mineral/gold
+	name = "gold"
+	icon_state = "sheet-gold"
+	singular_name = "gold bar"
+	origin_tech = "materials=4"
+	sheettype = "gold"
+	materials = list(MAT_GOLD=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/gold_recipes = list ( \
+	new/datum/stack_recipe("golden door", /obj/structure/mineral_door/gold, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("gold tile", /obj/item/stack/tile/mineral/gold, 1, 4, 20), \
+	new/datum/stack_recipe("HoS Statue", /obj/structure/statue/gold/hos, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("HoP Statue", /obj/structure/statue/gold/hop, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("CE Statue", /obj/structure/statue/gold/ce, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("RD Statue", /obj/structure/statue/gold/rd, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("CMO Statue", /obj/structure/statue/gold/cmo, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/gold/New(var/loc, var/amount=null)
+	recipes = gold_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Silver
+ */
+/obj/item/stack/sheet/mineral/silver
+	name = "silver"
+	icon_state = "sheet-silver"
+	singular_name = "silver bar"
+	origin_tech = "materials=4"
+	sheettype = "silver"
+	materials = list(MAT_SILVER=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/silver_recipes = list ( \
+	new/datum/stack_recipe("silver door", /obj/structure/mineral_door/silver, 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("silver tile", /obj/item/stack/tile/mineral/silver, 1, 4, 20), \
+	new/datum/stack_recipe("Med Officer Statue", /obj/structure/statue/silver/md, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Janitor Statue", /obj/structure/statue/silver/janitor, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Sec Officer Statue", /obj/structure/statue/silver/sec, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Sec Borg Statue", /obj/structure/statue/silver/secborg, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Med Borg Statue", /obj/structure/statue/silver/medborg, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/silver/New(var/loc, var/amount=null)
+	recipes = silver_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Clown
+ */
+/obj/item/stack/sheet/mineral/bananium
+	name = "bananium"
+	icon_state = "sheet-clown"
+	singular_name = "bananium sheet"
+	origin_tech = "materials=4"
+	sheettype = "clown"
+	materials = list(MAT_BANANIUM=MINERAL_MATERIAL_AMOUNT)
+
+var/global/list/datum/stack_recipe/clown_recipes = list ( \
+	new/datum/stack_recipe("bananium tile", /obj/item/stack/tile/mineral/bananium, 1, 4, 20), \
+	new/datum/stack_recipe("Clown Statue", /obj/structure/statue/bananium/clown, 5, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/mineral/bananium/New(var/loc, var/amount=null)
+	recipes = clown_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/*
+ * Snow
+ */
+/obj/item/stack/sheet/mineral/snow
+	name = "snow"
+	icon_state = "sheet-snow"
+	singular_name = "snow block"
+	force = 1
+	throwforce = 2
+	origin_tech = "materials=1"
+	sheettype = "snow"
+
+var/global/list/datum/stack_recipe/snow_recipes = list ( \
+	new/datum/stack_recipe("Snow Wall",/turf/closed/wall/mineral/snow, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Snowman", /obj/structure/statue/snow/snowman, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Snowball", /obj/item/toy/snowball, 1), \
+	)
+
+/obj/item/stack/sheet/mineral/snow/New(var/loc, var/amount=null)
+	recipes = snow_recipes
+	pixel_x = rand(0,4)-4
+	pixel_y = rand(0,4)-4
+	..()
+
+/****************************** Others ****************************/
+
+/*
+ * Enriched Uranium
+ */
+/obj/item/stack/sheet/mineral/enruranium
+	name = "enriched uranium"
+	icon_state = "sheet-enruranium"
+	singular_name = "enriched uranium sheet"
+	origin_tech = "materials=6"
+	materials = list(MAT_URANIUM=3000)
+
+/*
+ * Adamantine
+ */
+/obj/item/stack/sheet/mineral/adamantine
+	name = "adamantine"
+	icon_state = "sheet-adamantine"
+	singular_name = "adamantine sheet"
+	origin_tech = "materials=4"
+
+/*
+ * Mythril
+ */
+/obj/item/stack/sheet/mineral/mythril
+	name = "mythril"
+	icon_state = "sheet-mythril"
+	singular_name = "mythril sheet"
+	origin_tech = "materials=4"
+
+/*
+ * Alien Alloy
+ */
+/obj/item/stack/sheet/mineral/abductor
+	name = "alien alloy"
+	icon = 'icons/obj/abductor.dmi'
+	icon_state = "sheet-abductor"
+	singular_name = "alien alloy sheet"
+	origin_tech = "materials=6;abductor=1"
+	sheettype = "abductor"
+
+var/global/list/datum/stack_recipe/abductor_recipes = list ( \
+/*	new/datum/stack_recipe("alien chair", /obj/structure/chair, one_per_turf = 1, on_floor = 1), \ */
+	new/datum/stack_recipe("alien bed", /obj/structure/bed/abductor, 2, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("alien locker", /obj/structure/closet/abductor, 1, time = 15, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("alien table frame", /obj/structure/table_frame/abductor, 1, time = 15, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("alien airlock assembly", /obj/structure/door_assembly/door_assembly_abductor, 4, time = 20, one_per_turf = 1, on_floor = 1), \
+	null, \
+	new/datum/stack_recipe("alien floor tile", /obj/item/stack/tile/mineral/abductor, 1, 4, 20), \
+/*	null, \
+	new/datum/stack_recipe("Abductor Agent Statue", /obj/structure/statue/bananium/clown, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("Abductor Sciencist Statue", /obj/structure/statue/bananium/clown, 5, one_per_turf = 1, on_floor = 1)*/
+	)
+
+/obj/item/stack/sheet/mineral/abductor/New(var/loc, var/amount=null)
+	recipes = abductor_recipes
+	..()

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

@@ -0,0 +1,290 @@
+/* Diffrent misc types of sheets
+ * Contains:
+ *		Metal
+ *		Plasteel
+ *		Wood
+ *		Cloth
+ *		Cardboard
+ *		Runed Metal (cult)
+ */
+
+/*
+ * Metal
+ */
+var/global/list/datum/stack_recipe/metal_recipes = list ( \
+	new/datum/stack_recipe("stool", /obj/structure/chair/stool, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("bar stool", /obj/structure/chair/stool/bar, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("chair", /obj/structure/chair, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("swivel chair", /obj/structure/chair/office/dark, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("comfy chair", /obj/structure/chair/comfy/beige, 2, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("bed", /obj/structure/bed, 2, one_per_turf = 1, on_floor = 1), \
+	null, \
+	new/datum/stack_recipe("rack parts", /obj/item/weapon/rack_parts), \
+	new/datum/stack_recipe("closet", /obj/structure/closet, 2, time = 15, one_per_turf = 1, on_floor = 1), \
+	null, \
+	new/datum/stack_recipe("canister", /obj/machinery/portable_atmospherics/canister, 10, time = 15, one_per_turf = 1, on_floor = 1), \
+	null, \
+	new/datum/stack_recipe("floor tile", /obj/item/stack/tile/plasteel, 1, 4, 20), \
+	new/datum/stack_recipe("metal rod", /obj/item/stack/rods, 1, 2, 60), \
+	null, \
+	new/datum/stack_recipe("wall girders", /obj/structure/girder, 2, time = 40, one_per_turf = 1, on_floor = 1), \
+	null, \
+	new/datum/stack_recipe("computer frame", /obj/structure/frame/computer, 5, time = 25, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("machine frame", /obj/structure/frame/machine, 5, time = 25, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("airlock assembly", /obj/structure/door_assembly, 4, time = 50, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("firelock frame", /obj/structure/firelock_frame, 3, time = 50, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("turret frame", /obj/machinery/porta_turret_construct, 5, time = 25, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("meatspike frame", /obj/structure/kitchenspike_frame, 5, time = 25, one_per_turf = 1, on_floor = 1), \
+/*	new/datum/stack_recipe("reflector frame", /obj/structure/reflector, 5, time = 25, one_per_turf = 1, on_floor = 1), \*/
+	null, \
+	new/datum/stack_recipe("grenade casing", /obj/item/weapon/grenade/chem_grenade), \
+	new/datum/stack_recipe("light fixture frame", /obj/item/wallframe/light_fixture, 2), \
+	new/datum/stack_recipe("small light fixture frame", /obj/item/wallframe/light_fixture/small, 1), \
+	null, \
+	new/datum/stack_recipe("apc frame", /obj/item/wallframe/apc, 2), \
+	new/datum/stack_recipe("air alarm frame", /obj/item/wallframe/airalarm, 2), \
+	new/datum/stack_recipe("fire alarm frame", /obj/item/wallframe/firealarm, 2), \
+	new/datum/stack_recipe("extinguisher cabinet frame", /obj/item/wallframe/extinguisher_cabinet, 2), \
+	new/datum/stack_recipe("button frame", /obj/item/wallframe/button, 1), \
+	null, \
+	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20, one_per_turf = 1, on_floor = 1), \
+)
+
+/obj/item/stack/sheet/metal
+	name = "metal"
+	desc = "Sheets made out of metal."
+	singular_name = "metal sheet"
+	icon_state = "sheet-metal"
+	materials = list(MAT_METAL=MINERAL_MATERIAL_AMOUNT)
+	throwforce = 10
+	flags = CONDUCT
+	origin_tech = "materials=1"
+
+/obj/item/stack/sheet/metal/narsie_act()
+	if(prob(20))
+		new /obj/item/stack/sheet/runed_metal(loc, amount)
+		qdel(src)
+
+/obj/item/stack/sheet/metal/fifty
+	amount = 50
+
+/obj/item/stack/sheet/metal/five
+	amount = 5
+
+/obj/item/stack/sheet/metal/cyborg
+	materials = list()
+	is_cyborg = 1
+	cost = 500
+
+/obj/item/stack/sheet/metal/New(var/loc, var/amount=null)
+	recipes = metal_recipes
+	return ..()
+
+/*
+ * Plasteel
+ */
+var/global/list/datum/stack_recipe/plasteel_recipes = list ( \
+	new/datum/stack_recipe("AI core", /obj/structure/AIcore, 4, time = 50, one_per_turf = 1), \
+	new/datum/stack_recipe("bomb assembly", /obj/machinery/syndicatebomb/empty, 10, time = 50), \
+)
+
+/obj/item/stack/sheet/plasteel
+	name = "plasteel"
+	singular_name = "plasteel sheet"
+	desc = "This sheet is an alloy of iron and plasma."
+	icon_state = "sheet-plasteel"
+	item_state = "sheet-metal"
+	materials = list(MAT_METAL=6000, MAT_PLASMA=6000)
+	throwforce = 10
+	flags = CONDUCT
+	origin_tech = "materials=2"
+
+/obj/item/stack/sheet/plasteel/New(var/loc, var/amount=null)
+	recipes = plasteel_recipes
+	return ..()
+
+/obj/item/stack/sheet/plasteel/twenty
+	amount = 20
+
+/obj/item/stack/sheet/plasteel/fifty
+	amount = 50
+
+/*
+ * Wood
+ */
+var/global/list/datum/stack_recipe/wood_recipes = list ( \
+	new/datum/stack_recipe("wooden sandals", /obj/item/clothing/shoes/sandal, 1), \
+	new/datum/stack_recipe("wood floor tile", /obj/item/stack/tile/wood, 1, 4, 20), \
+	new/datum/stack_recipe("wood table frame", /obj/structure/table_frame/wood, 2, time = 10), \
+	new/datum/stack_recipe("rifle stock", /obj/item/weaponcrafting/stock, 10, time = 40), \
+	new/datum/stack_recipe("wooden chair", /obj/structure/chair/wood/normal, 3, time = 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("wooden barricade", /obj/structure/barricade/wooden, 5, time = 50, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("wooden door", /obj/structure/mineral_door/wood, 10, time = 20, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("coffin", /obj/structure/closet/coffin, 5, time = 15, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("book case", /obj/structure/bookcase, 4, time = 15, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("drying rack", /obj/machinery/smartfridge/drying_rack, 10, time = 15, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("dog bed", /obj/structure/bed/dogbed, 10, time = 10, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("display case chassis", /obj/structure/displaycase_chassis, 5, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("wooden buckler", /obj/item/weapon/shield/riot/buckler, 20, time = 40), \
+	new/datum/stack_recipe("apiary", /obj/structure/beebox, 40, time = 50),\
+	new/datum/stack_recipe("honey frame", /obj/item/honey_frame, 5, time = 10),\
+	new/datum/stack_recipe("ore box", /obj/structure/ore_box, 4, time = 50, one_per_turf = 1, on_floor = 1),\
+	)
+
+/obj/item/stack/sheet/mineral/wood
+	name = "wooden plank"
+	desc = "One can only guess that this is a bunch of wood."
+	singular_name = "wood plank"
+	icon_state = "sheet-wood"
+	icon = 'icons/obj/items.dmi'
+	origin_tech = "materials=1;biotech=1"
+	sheettype = "wood"
+	burn_state = FLAMMABLE
+
+/obj/item/stack/sheet/mineral/wood/New(var/loc, var/amount=null)
+	recipes = wood_recipes
+	return ..()
+
+/obj/item/stack/sheet/mineral/wood/fifty
+	amount = 50
+
+/*
+ * Cloth
+ */
+var/global/list/datum/stack_recipe/cloth_recipes = list ( \
+	new/datum/stack_recipe("grey jumpsuit", /obj/item/clothing/under/color/grey, 3), \
+	null, \
+	new/datum/stack_recipe("backpack", /obj/item/weapon/storage/backpack, 4), \
+	new/datum/stack_recipe("dufflebag", /obj/item/weapon/storage/backpack/dufflebag, 6), \
+	null, \
+	new/datum/stack_recipe("plant bag", /obj/item/weapon/storage/bag/plants, 4), \
+	new/datum/stack_recipe("book bag", /obj/item/weapon/storage/bag/books, 4), \
+	new/datum/stack_recipe("mining satchel", /obj/item/weapon/storage/bag/ore, 4), \
+	new/datum/stack_recipe("chemistry bag", /obj/item/weapon/storage/bag/chemistry, 4), \
+	new/datum/stack_recipe("bio bag", /obj/item/weapon/storage/bag/bio, 4), \
+	null, \
+	new/datum/stack_recipe("improvised gauze", /obj/item/stack/medical/gauze/improvised, 1, 2, 6), \
+	new/datum/stack_recipe("rag", /obj/item/weapon/reagent_containers/glass/rag, 1), \
+	new/datum/stack_recipe("black shoes", /obj/item/clothing/shoes/sneakers/black, 2), \
+	new/datum/stack_recipe("bedsheet", /obj/item/weapon/bedsheet, 3), \
+	new/datum/stack_recipe("empty sandbag", /obj/item/weapon/emptysandbag, 4), \
+	)
+
+/obj/item/stack/sheet/cloth
+	name = "cloth"
+	desc = "Is it cotton? Linen? Denim? Burlap? Canvas? You can't tell."
+	singular_name = "cloth roll"
+	icon_state = "sheet-cloth"
+	origin_tech = "materials=2"
+	burn_state = FLAMMABLE
+	force = 0
+	throwforce = 0
+
+/obj/item/stack/sheet/cloth/New(var/loc, var/amount=null)
+	recipes = cloth_recipes
+	return ..()
+
+/obj/item/stack/sheet/cloth/ten
+	amount = 10
+
+/*
+ * Cardboard
+ */
+var/global/list/datum/stack_recipe/cardboard_recipes = list ( \
+	new/datum/stack_recipe("box", /obj/item/weapon/storage/box), \
+	new/datum/stack_recipe("light tubes", /obj/item/weapon/storage/box/lights/tubes), \
+	new/datum/stack_recipe("light bulbs", /obj/item/weapon/storage/box/lights/bulbs), \
+	new/datum/stack_recipe("mouse traps", /obj/item/weapon/storage/box/mousetraps), \
+	new/datum/stack_recipe("cardborg suit", /obj/item/clothing/suit/cardborg, 3), \
+	new/datum/stack_recipe("cardborg helmet", /obj/item/clothing/head/cardborg), \
+	new/datum/stack_recipe("pizza box", /obj/item/pizzabox), \
+	new/datum/stack_recipe("folder", /obj/item/weapon/folder), \
+	new/datum/stack_recipe("large box", /obj/structure/closet/cardboard, 4), \
+	new/datum/stack_recipe("cardboard cutout", /obj/item/cardboard_cutout, 5), \
+)
+
+/obj/item/stack/sheet/cardboard	//BubbleWrap //it's cardboard you fuck
+	name = "cardboard"
+	desc = "Large sheets of card, like boxes folded flat."
+	singular_name = "cardboard sheet"
+	icon_state = "sheet-card"
+	origin_tech = "materials=1"
+	burn_state = FLAMMABLE
+
+/obj/item/stack/sheet/cardboard/New(var/loc, var/amount=null)
+		recipes = cardboard_recipes
+		return ..()
+
+/obj/item/stack/sheet/cardboard/fifty
+	amount = 50
+
+/*
+ * Runed Metal
+ */
+
+var/global/list/datum/stack_recipe/runed_metal_recipes = list ( \
+	new/datum/stack_recipe("runed door", /obj/machinery/door/airlock/cult, 3, time = 50, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("runed girder", /obj/structure/girder/cult, 1, time = 50, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("pylon", /obj/structure/cult/pylon, 3, time = 40, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("forge", /obj/structure/cult/forge, 5, time = 40, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("archives", /obj/structure/cult/tome, 2, time = 40, one_per_turf = 1, on_floor = 1), \
+	new/datum/stack_recipe("altar", /obj/structure/cult/talisman, 5, time = 40, one_per_turf = 1, on_floor = 1), \
+	)
+
+/obj/item/stack/sheet/runed_metal
+	name = "runed metal"
+	desc = "Sheets of cold metal with shifting inscriptions writ upon them."
+	singular_name = "runed metal"
+	icon_state = "sheet-runed"
+	icon = 'icons/obj/items.dmi'
+	sheettype = "runed"
+
+/obj/item/stack/sheet/runed_metal/attack_self(mob/living/user)
+	if(!iscultist(user))
+		user << "<span class='warning'>Only one with forbidden knowledge could hope to work this metal...</span>"
+		return
+	return ..()
+
+/obj/item/stack/sheet/runed_metal/attack(atom/target, mob/living/user)
+	if(!iscultist(user))
+		user << "<span class='warning'>Only one with forbidden knowledge could hope to work this metal...</span>"
+		return
+	..()
+
+/obj/item/stack/sheet/runed_metal/fifty
+	amount = 50
+
+/obj/item/stack/sheet/runed_metal/New(var/loc, var/amount=null)
+	recipes = runed_metal_recipes
+	return ..()
+
+/obj/item/stack/sheet/lessergem
+	name = "lesser gems"
+	desc = "Rare kind of gems which are only gained by blood sacrifice to minor deities. They are needed in crafting powerful objects."
+	singular_name = "lesser gem"
+	icon_state = "sheet-lessergem"
+	origin_tech = "materials=4"
+
+
+/obj/item/stack/sheet/greatergem
+	name = "greater gems"
+	desc = "Rare kind of gems which are only gained by blood sacrifice to minor deities. They are needed in crafting powerful objects."
+	singular_name = "greater gem"
+	icon_state = "sheet-greatergem"
+	origin_tech = "materials=7"
+
+	/*
+ * Bones
+ */
+/obj/item/stack/sheet/bone
+	name = "bones"
+	icon = 'icons/obj/mining.dmi'
+	icon_state = "bone"
+	singular_name = "bone"
+	desc = "Someone's been drinking their milk."
+	force = 7
+	throwforce = 5
+	w_class = 3
+	throw_speed = 1
+	throw_range = 3
+	origin_tech = "materials=2;biotech=2"

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

@@ -0,0 +1,11 @@
+/obj/item/stack/sheet
+	name = "sheet"
+	w_class = 3
+	force = 5
+	throwforce = 5
+	max_amount = 50
+	throw_speed = 1
+	throw_range = 3
+	attack_verb = list("bashed", "battered", "bludgeoned", "thrashed", "smashed")
+	var/perunit = MINERAL_MATERIAL_AMOUNT
+	var/sheettype = null //this is used for girders in the creation of walls/false walls

code/game/objects/items/stacks/stack.dm

@@ -0,0 +1,277 @@
+/* Stack type objects!
+ * Contains:
+ * 		Stacks
+ *		Recipe datum
+ */
+
+/*
+ * Stacks
+ */
+/obj/item/stack
+	origin_tech = "materials=1"
+	gender = PLURAL
+	var/list/datum/stack_recipe/recipes
+	var/singular_name
+	var/amount = 1
+	var/max_amount = 50 //also see stack recipes initialisation, param "max_res_amount" must be equal to this max_amount
+	var/is_cyborg = 0 // It's 1 if module is used by a cyborg, and uses its storage
+	var/datum/robot_energy_storage/source
+	var/cost = 1 // How much energy from storage it costs
+	var/merge_type = null // This path and its children should merge with this stack, defaults to src.type
+
+/obj/item/stack/New(var/loc, var/amount=null)
+	..()
+	if (amount)
+		src.amount = amount
+	if(!merge_type)
+		merge_type = src.type
+	return
+
+/obj/item/stack/Destroy()
+	if (usr && usr.machine==src)
+		usr << browse(null, "window=stack")
+	return ..()
+
+/obj/item/stack/examine(mob/user)
+	..()
+	if (is_cyborg)
+		if(src.singular_name)
+			user << "There is enough energy for [src.get_amount()] [src.singular_name]\s."
+		else
+			user << "There is enough energy for [src.get_amount()]."
+		return
+	if(src.singular_name)
+		if(src.get_amount()>1)
+			user << "There are [src.get_amount()] [src.singular_name]\s in the stack."
+		else
+			user << "There is [src.get_amount()] [src.singular_name] in the stack."
+	else if(src.get_amount()>1)
+		user << "There are [src.get_amount()] in the stack."
+	else
+		user << "There is [src.get_amount()] in the stack."
+
+/obj/item/stack/proc/get_amount()
+	if (is_cyborg)
+		return round(source.energy / cost)
+	else
+		return (amount)
+
+/obj/item/stack/attack_self(mob/user)
+	interact(user)
+
+/obj/item/stack/interact(mob/user)
+	if (!recipes)
+		return
+	if (!src || get_amount() <= 0)
+		user << browse(null, "window=stack")
+		return
+	user.set_machine(src) //for correct work of onclose
+	var/t1 = text("<HTML><HEAD><title>Constructions from []</title></HEAD><body><TT>Amount Left: []<br>", src, src.get_amount())
+	for(var/i=1;i<=recipes.len,i++)
+		var/datum/stack_recipe/R = recipes[i]
+		if (isnull(R))
+			t1 += "<hr>"
+			continue
+		if (i>1 && !isnull(recipes[i-1]))
+			t1+="<br>"
+		var/max_multiplier = round(src.get_amount() / R.req_amount)
+		var/title as text
+		var/can_build = 1
+		can_build = can_build && (max_multiplier>0)
+		/*
+		if (R.one_per_turf)
+			can_build = can_build && !(locate(R.result_type) in usr.loc)
+		if (R.on_floor)
+			can_build = can_build && istype(usr.loc, /turf/open/floor)
+		*/
+		if (R.res_amount>1)
+			title+= "[R.res_amount]x [R.title]\s"
+		else
+			title+= "[R.title]"
+		title+= " ([R.req_amount] [src.singular_name]\s)"
+		if (can_build)
+			t1 += text("<A href='?src=\ref[];make=[];multiplier=1'>[]</A>  ", src, i, title)
+		else
+			t1 += text("[]", title)
+			continue
+		if (R.max_res_amount>1 && max_multiplier>1)
+			max_multiplier = min(max_multiplier, round(R.max_res_amount/R.res_amount))
+			t1 += " |"
+			var/list/multipliers = list(5,10,25)
+			for (var/n in multipliers)
+				if (max_multiplier>=n)
+					t1 += " <A href='?src=\ref[src];make=[i];multiplier=[n]'>[n*R.res_amount]x</A>"
+			if (!(max_multiplier in multipliers))
+				t1 += " <A href='?src=\ref[src];make=[i];multiplier=[max_multiplier]'>[max_multiplier*R.res_amount]x</A>"
+
+	t1 += "</TT></body></HTML>"
+	user << browse(t1, "window=stack")
+	onclose(user, "stack")
+	return
+
+/obj/item/stack/Topic(href, href_list)
+	..()
+	if ((usr.restrained() || usr.stat || usr.get_active_hand() != src))
+		return
+	if (href_list["make"])
+		if (src.get_amount() < 1) qdel(src) //Never should happen
+
+		var/datum/stack_recipe/R = recipes[text2num(href_list["make"])]
+		var/multiplier = text2num(href_list["multiplier"])
+		if (!multiplier ||(multiplier <= 0)) //href protection
+			return
+		if(!building_checks(R, multiplier))
+			return
+		if (R.time)
+			usr.visible_message("<span class='notice'>[usr] starts building [R.title].</span>", "<span class='notice'>You start building [R.title]...</span>")
+			if (!do_after(usr, R.time, target = usr))
+				return
+			if(!building_checks(R, multiplier))
+				return
+
+		var/atom/O = new R.result_type( usr.loc )
+		O.setDir(usr.dir)
+		use(R.req_amount * multiplier)
+
+		//is it a stack ?
+		if (R.max_res_amount > 1)
+			var/obj/item/stack/new_item = O
+			new_item.amount = R.res_amount*multiplier
+
+			if(new_item.amount <= 0)//if the stack is empty, i.e it has been merged with an existing stack and has been garbage collected
+				return
+
+		if (istype(O,/obj/item))
+			usr.put_in_hands(O)
+		O.add_fingerprint(usr)
+
+		//BubbleWrap - so newly formed boxes are empty
+		if ( istype(O, /obj/item/weapon/storage) )
+			for (var/obj/item/I in O)
+				qdel(I)
+		//BubbleWrap END
+
+	if (src && usr.machine==src) //do not reopen closed window
+		spawn( 0 )
+			src.interact(usr)
+			return
+	return
+
+/obj/item/stack/proc/building_checks(datum/stack_recipe/R, multiplier)
+	if (src.get_amount() < R.req_amount*multiplier)
+		if (R.req_amount*multiplier>1)
+			usr << "<span class='warning'>You haven't got enough [src] to build \the [R.req_amount*multiplier] [R.title]\s!</span>"
+		else
+			usr << "<span class='warning'>You haven't got enough [src] to build \the [R.title]!</span>"
+		return 0
+	if (R.one_per_turf && (locate(R.result_type) in usr.loc))
+		usr << "<span class='warning'>There is another [R.title] here!</span>"
+		return 0
+	if (R.on_floor && !istype(usr.loc, /turf/open/floor))
+		usr << "<span class='warning'>\The [R.title] must be constructed on the floor!</span>"
+		return 0
+	return 1
+
+/obj/item/stack/proc/use(var/used) // return 0 = borked; return 1 = had enough
+	if(zero_amount())
+		return 0
+	if (is_cyborg)
+		return source.use_charge(used * cost)
+	if (amount < used)
+		return 0
+	amount -= used
+	zero_amount()
+	update_icon()
+	return 1
+
+/obj/item/stack/proc/zero_amount()
+	if(is_cyborg)
+		return source.energy < cost
+	if(amount < 1)
+		qdel(src)
+		return 1
+	return 0
+
+/obj/item/stack/proc/add(amount)
+	if (is_cyborg)
+		source.add_charge(amount * cost)
+	else
+		src.amount += amount
+	update_icon()
+
+/obj/item/stack/proc/merge(obj/item/stack/S) //Merge src into S, as much as possible
+	var/transfer = get_amount()
+	if(S.is_cyborg)
+		transfer = min(transfer, round((S.source.max_energy - S.source.energy) / S.cost))
+	else
+		transfer = min(transfer, S.max_amount - S.amount)
+	if(pulledby)
+		pulledby.start_pulling(S)
+	S.copy_evidences(src)
+	use(transfer)
+	S.add(transfer)
+
+/obj/item/stack/Crossed(obj/o)
+	if(istype(o, merge_type) && !o.throwing)
+		merge(o)
+	return ..()
+
+/obj/item/stack/hitby(atom/movable/AM, skip, hitpush)
+	if(istype(AM, merge_type))
+		merge(AM)
+	return ..()
+
+/obj/item/stack/attack_hand(mob/user)
+	if (user.get_inactive_hand() == src)
+		if(zero_amount())
+			return
+		var/obj/item/stack/F = new src.type(user, 1)
+		. = F
+		F.copy_evidences(src)
+		user.put_in_hands(F)
+		src.add_fingerprint(user)
+		F.add_fingerprint(user)
+		use(1)
+		if (src && usr.machine==src)
+			spawn(0) src.interact(usr)
+	else
+		..()
+	return
+
+/obj/item/stack/attackby(obj/item/W, mob/user, params)
+	if(istype(W, merge_type))
+		var/obj/item/stack/S = W
+		merge(S)
+		user << "<span class='notice'>Your [S.name] stack now contains [S.get_amount()] [S.singular_name]\s.</span>"
+	else
+		return ..()
+
+/obj/item/stack/proc/copy_evidences(obj/item/stack/from as obj)
+	src.blood_DNA = from.blood_DNA
+	src.fingerprints  = from.fingerprints
+	src.fingerprintshidden  = from.fingerprintshidden
+	src.fingerprintslast  = from.fingerprintslast
+	//TODO bloody overlay
+
+/*
+ * Recipe datum
+ */
+/datum/stack_recipe
+	var/title = "ERROR"
+	var/result_type
+	var/req_amount = 1
+	var/res_amount = 1
+	var/max_res_amount = 1
+	var/time = 0
+	var/one_per_turf = 0
+	var/on_floor = 0
+
+/datum/stack_recipe/New(title, result_type, req_amount = 1, res_amount = 1, max_res_amount = 1, time = 0, one_per_turf = 0, on_floor = 0)
+	src.title = title
+	src.result_type = result_type
+	src.req_amount = req_amount
+	src.res_amount = res_amount
+	src.max_res_amount = max_res_amount
+	src.time = time
+	src.one_per_turf = one_per_turf
+	src.on_floor = on_floor

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

@@ -0,0 +1,31 @@
+/obj/item/stack/tile/light
+	name = "light tile"
+	singular_name = "light floor tile"
+	desc = "A floor tile, made out of glass. It produces light."
+	icon_state = "tile_e"
+	flags = CONDUCT
+	attack_verb = list("bashed", "battered", "bludgeoned", "thrashed", "smashed")
+	turf_type = /turf/open/floor/light
+	var/state = 0
+
+/obj/item/stack/tile/light/New(var/loc, var/amount=null)
+	..()
+	if(prob(5))
+		state = 3 //broken
+	else if(prob(5))
+		state = 2 //breaking
+	else if(prob(10))
+		state = 1 //flickering occasionally
+	else
+		state = 0 //fine
+
+/obj/item/stack/tile/light/attackby(obj/item/O, mob/user, params)
+	if(istype(O,/obj/item/weapon/crowbar))
+		new/obj/item/stack/sheet/metal(user.loc)
+		amount--
+		new/obj/item/stack/light_w(user.loc)
+		if(amount <= 0)
+			user.unEquip(src, 1)
+			qdel(src)
+	else
+		return ..()

code/game/objects/items/stacks/tiles/tile_mineral.dm

@@ -0,0 +1,65 @@
+/obj/item/stack/tile/mineral/plasma
+	name = "plasma tile"
+	singular_name = "plasma floor tile"
+	desc = "A tile made out of highly flammable plasma. This can only end well."
+	icon_state = "tile_plasma"
+	origin_tech = "plasmatech=1"
+	turf_type = /turf/open/floor/mineral/plasma
+	mineralType = "plasma"
+	materials = list(MAT_PLASMA=500)
+
+/obj/item/stack/tile/mineral/uranium
+	name = "uranium tile"
+	singular_name = "uranium floor tile"
+	desc = "A tile made out of uranium. You feel a bit woozy."
+	icon_state = "tile_uranium"
+	turf_type = /turf/open/floor/mineral/uranium
+	mineralType = "uranium"
+	materials = list(MAT_URANIUM=500)
+
+/obj/item/stack/tile/mineral/gold
+	name = "gold tile"
+	singular_name = "gold floor tile"
+	desc = "A tile made out of gold, the swag seems strong here."
+	icon_state = "tile_gold"
+	turf_type = /turf/open/floor/mineral/gold
+	mineralType = "gold"
+	materials = list(MAT_GOLD=500)
+
+/obj/item/stack/tile/mineral/silver
+	name = "silver tile"
+	singular_name = "silver floor tile"
+	desc = "A tile made out of silver, the light shining from it is blinding."
+	icon_state = "tile_silver"
+	turf_type = /turf/open/floor/mineral/silver
+	mineralType = "silver"
+	materials = list(MAT_SILVER=500)
+
+/obj/item/stack/tile/mineral/diamond
+	name = "diamond tile"
+	singular_name = "diamond floor tile"
+	desc = "A tile made out of diamond. Wow, just, wow."
+	icon_state = "tile_diamond"
+	origin_tech = "materials=2"
+	turf_type = /turf/open/floor/mineral/diamond
+	mineralType = "diamond"
+	materials = list(MAT_DIAMOND=500)
+
+/obj/item/stack/tile/mineral/bananium
+	name = "bananium tile"
+	singular_name = "bananium floor tile"
+	desc = "A tile made out of bananium, HOOOOOOOOONK!"
+	icon_state = "tile_bananium"
+	turf_type = /turf/open/floor/mineral/bananium
+	mineralType = "bananium"
+	materials = list(MAT_BANANIUM=500)
+
+/obj/item/stack/tile/mineral/abductor
+	name = "alien floor tile"
+	singular_name = "alien floor tile"
+	desc = "A tile made out of alien alloy."
+	icon = 'icons/obj/abductor.dmi'
+	icon_state = "tile_abductor"
+	origin_tech = "materials=6;abductor=1"
+	turf_type = /turf/open/floor/mineral/abductor
+	mineralType = "abductor"

code/game/objects/items/stacks/tiles/tile_types.dm

@@ -0,0 +1,164 @@
+/obj/item/stack/tile
+	name = "broken tile"
+	singular_name = "broken tile"
+	desc = "A broken tile. This should not exist."
+	icon = 'icons/obj/tiles.dmi'
+	w_class = 3
+	force = 1
+	throwforce = 1
+	throw_speed = 3
+	throw_range = 7
+	max_amount = 60
+	origin_tech = "materials=1"
+	var/turf_type = null
+	var/mineralType = null
+
+/obj/item/stack/tile/New(loc, amount)
+	..()
+	pixel_x = rand(-3, 3)
+	pixel_y = rand(-3, 3) //randomize a little
+
+/obj/item/stack/tile/attackby(obj/item/W, mob/user, params)
+
+	if (istype(W, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/WT = W
+
+		if(get_amount() < 4)
+			user << "<span class='warning'>You need at least four tiles to do this!</span>"
+			return
+
+		if(WT.is_hot() && !mineralType)
+			user << "<span class='warning'>You can not reform this!</span>"
+			return
+
+		if(WT.remove_fuel(0,user))
+
+			if(mineralType == "plasma")
+				atmos_spawn_air("plasma=5;TEMP=1000")
+				user.visible_message("<span class='warning'>[user.name] sets the plasma tiles on fire!</span>", \
+									"<span class='warning'>You set the plasma tiles on fire!</span>")
+				qdel(src)
+				return
+
+			if (mineralType == "metal")
+				var/obj/item/stack/sheet/metal/new_item = new(user.loc)
+				user.visible_message("[user.name] shaped [src] into metal with the welding tool.", \
+							 "<span class='notice'>You shaped [src] into metal with the welding tool.</span>", \
+							 "<span class='italics'>You hear welding.</span>")
+				var/obj/item/stack/rods/R = src
+				src = null
+				var/replace = (user.get_inactive_hand()==R)
+				R.use(4)
+				if (!R && replace)
+					user.put_in_hands(new_item)
+
+			else
+				var/sheet_type = text2path("/obj/item/stack/sheet/mineral/[mineralType]")
+				var/obj/item/stack/sheet/mineral/new_item = new sheet_type(user.loc)
+				user.visible_message("[user.name] shaped [src] into a sheet with the welding tool.", \
+							 "<span class='notice'>You shaped [src] into a sheet with the welding tool.</span>", \
+							 "<span class='italics'>You hear welding.</span>")
+				var/obj/item/stack/rods/R = src
+				src = null
+				var/replace = (user.get_inactive_hand()==R)
+				R.use(4)
+				if (!R && replace)
+					user.put_in_hands(new_item)
+	else
+		return ..()
+
+//Grass
+/obj/item/stack/tile/grass
+	name = "grass tile"
+	singular_name = "grass floor tile"
+	desc = "A patch of grass like they use on space golf courses."
+	icon_state = "tile_grass"
+	origin_tech = "biotech=1"
+	turf_type = /turf/open/floor/grass
+	burn_state = FLAMMABLE
+
+
+//Wood
+/obj/item/stack/tile/wood
+	name = "wood floor tile"
+	singular_name = "wood floor tile"
+	desc = "An easy to fit wood floor tile."
+	icon_state = "tile-wood"
+	origin_tech = "biotech=1"
+	turf_type = /turf/open/floor/wood
+	burn_state = FLAMMABLE
+
+
+//Carpets
+/obj/item/stack/tile/carpet
+	name = "carpet"
+	singular_name = "carpet"
+	desc = "A piece of carpet. It is the same size as a floor tile."
+	icon_state = "tile-carpet"
+	turf_type = /turf/open/floor/carpet
+	burn_state = FLAMMABLE
+
+
+/obj/item/stack/tile/fakespace
+	name = "astral carpet"
+	singular_name = "astral carpet"
+	desc = "A piece of carpet with a convincing star pattern."
+	icon_state = "tile_space"
+	turf_type = /turf/open/floor/fakespace
+	burn_state = FLAMMABLE
+
+/obj/item/stack/tile/fakespace/loaded
+	amount = 30
+
+//High-traction
+/obj/item/stack/tile/noslip
+	name = "high-traction floor tile"
+	singular_name = "high-traction floor tile"
+	desc = "A high-traction floor tile. It feels rubbery in your hand."
+	icon_state = "tile_noslip"
+	turf_type = /turf/open/floor/noslip
+	origin_tech = "materials=3"
+
+/obj/item/stack/tile/noslip/thirty
+	amount = 30
+
+//Pod floor
+/obj/item/stack/tile/pod
+	name = "pod floor tile"
+	singular_name = "pod floor tile"
+	desc = "A grooved floor tile."
+	icon_state = "tile_pod"
+	turf_type = /turf/open/floor/pod
+
+/obj/item/stack/tile/pod/light
+	name = "light pod floor tile"
+	singular_name = "light pod floor tile"
+	desc = "A lightly colored grooved floor tile."
+	icon_state = "tile_podlight"
+	turf_type = /turf/open/floor/pod/light
+
+/obj/item/stack/tile/pod/dark
+	name = "dark pod floor tile"
+	singular_name = "dark pod floor tile"
+	desc = "A darkly colored grooved floor tile."
+	icon_state = "tile_poddark"
+	turf_type = /turf/open/floor/pod/dark
+
+//Plasteel (normal)
+/obj/item/stack/tile/plasteel
+	name = "floor tile"
+	singular_name = "floor tile"
+	desc = "Those could work as a pretty decent throwing weapon."
+	icon_state = "tile"
+	force = 6
+	materials = list(MAT_METAL=500)
+	throwforce = 10
+	flags = CONDUCT
+	turf_type = /turf/open/floor/plasteel
+	mineralType = "metal"
+
+/obj/item/stack/tile/plasteel/cyborg
+	desc = "The ground you walk on." //Not the usual floor tile desc as that refers to throwing, Cyborgs can't do that - RR
+	materials = list() // All other Borg versions of items have no Metal or Glass - RR
+	is_cyborg = 1
+	cost = 125

code/game/objects/items/stacks/wrap.dm

@@ -0,0 +1,115 @@
+
+
+/*
+ * Wrapping Paper
+ */
+
+/obj/item/stack/wrapping_paper
+	name = "wrapping paper"
+	desc = "Wrap packages with this festive paper to make gifts."
+	icon = 'icons/obj/items.dmi'
+	icon_state = "wrap_paper"
+	flags = NOBLUDGEON
+	amount = 25
+	max_amount = 25
+	burn_state = FLAMMABLE
+
+/obj/item/stack/wrapping_paper/Destroy()
+	if(!amount)
+		new /obj/item/weapon/c_tube(get_turf(src))
+	return ..()
+
+
+/*
+ * Package Wrap
+ */
+
+/obj/item/stack/packageWrap
+	name = "package wrapper"
+	desc = "You can use this to wrap items in."
+	icon = 'icons/obj/items.dmi'
+	icon_state = "deliveryPaper"
+	flags = NOBLUDGEON
+	amount = 25
+	max_amount = 25
+	burn_state = FLAMMABLE
+
+/obj/item/proc/can_be_package_wrapped() //can the item be wrapped with package wrapper into a delivery package
+	return 1
+
+/obj/item/weapon/storage/can_be_package_wrapped()
+	return 0
+
+/obj/item/weapon/storage/box/can_be_package_wrapped()
+	return 1
+
+/obj/item/smallDelivery/can_be_package_wrapped()
+	return 0
+
+/obj/item/stack/packageWrap/afterattack(obj/target, mob/user, proximity)
+	if(!proximity)
+		return
+	if(!istype(target))
+		return
+	if(target.anchored)
+		return
+
+	if(istype(target, /obj/item))
+		var/obj/item/I = target
+		if(!I.can_be_package_wrapped())
+			return
+		if(user.r_hand == I || user.l_hand == I)
+			if(!user.unEquip(I))
+				return
+		else if(!isturf(I.loc))
+			return
+		if(use(1))
+			var/obj/item/smallDelivery/P = new /obj/item/smallDelivery(get_turf(I.loc))
+			if(user.Adjacent(I))
+				P.add_fingerprint(user)
+				I.add_fingerprint(user)
+				user.put_in_hands(P)
+			I.forceMove(P)
+			var/size = round(I.w_class)
+			P.w_class = size
+			size = min(size, 5)
+			P.icon_state = "deliverypackage[size]"
+
+	else if(istype (target, /obj/structure/closet))
+		var/obj/structure/closet/O = target
+		if(O.opened)
+			return
+		if(!O.density) //can't wrap non dense closets (e.g. body bags)
+			user << "<span class='warning'>You can't wrap this!</span>"
+			return
+		if(use(3))
+			var/obj/structure/bigDelivery/P = new /obj/structure/bigDelivery(get_turf(O.loc))
+			if(O.horizontal)
+				P.icon_state = "deliverycrate"
+			O.loc = P
+			P.add_fingerprint(user)
+			O.add_fingerprint(user)
+		else
+			user << "<span class='warning'>You need more paper!</span>"
+			return
+	else
+		user << "<span class='warning'>The object you are trying to wrap is unsuitable for the sorting machinery!</span>"
+		return
+
+	user.visible_message("<span class='notice'>[user] wraps [target].</span>")
+	user.attack_log += text("\[[time_stamp()]\] <font color='blue'>Has used [name] on [target]</font>")
+
+/obj/item/stack/packageWrap/Destroy()
+	if(!amount)
+		new /obj/item/weapon/c_tube(get_turf(src))
+	return ..()
+
+/obj/item/weapon/c_tube
+	name = "cardboard tube"
+	desc = "A tube... of cardboard."
+	icon = 'icons/obj/items.dmi'
+	icon_state = "c_tube"
+	throwforce = 0
+	w_class = 1
+	throw_speed = 3
+	throw_range = 5