Moves material stacks to modules/materials

code/modules/materials/sheets/_sheets.dm

@@ -0,0 +1,89 @@
+// Stacked resources. They use a material datum for a lot of inherited values.
+// If you're adding something here, make sure to add it to fifty_spawner_mats.dm as well
+/obj/item/stack/material
+	force = 5.0
+	throwforce = 5
+	w_class = ITEMSIZE_NORMAL
+	throw_speed = 3
+	throw_range = 3
+	center_of_mass = null
+	max_amount = 50
+	item_icons = list(
+		slot_l_hand_str = 'icons/mob/items/lefthand_material.dmi',
+		slot_r_hand_str = 'icons/mob/items/righthand_material.dmi',
+		)
+
+	var/default_type = DEFAULT_WALL_MATERIAL
+	var/datum/material/material
+	var/perunit = SHEET_MATERIAL_AMOUNT
+	var/apply_colour //temp pending icon rewrite
+	drop_sound = 'sound/items/drop/axe.ogg'
+	pickup_sound = 'sound/items/pickup/axe.ogg'
+
+/obj/item/stack/material/Initialize()
+	. = ..()
+
+	randpixel_xy()
+
+	if(!default_type)
+		default_type = DEFAULT_WALL_MATERIAL
+	material = get_material_by_name("[default_type]")
+	if(!material)
+		return INITIALIZE_HINT_QDEL
+
+	recipes = material.get_recipes()
+	stacktype = material.stack_type
+	if(islist(material.stack_origin_tech))
+		origin_tech = material.stack_origin_tech.Copy()
+
+	if(apply_colour)
+		color = material.icon_colour
+
+	if(!material.conductive)
+		flags |= NOCONDUCT
+
+	matter = material.get_matter()
+	update_strings()
+
+/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]."
+		gender = PLURAL
+	else
+		name = "[material.use_name] [material.sheet_singular_name]"
+		desc = "A [material.sheet_singular_name] of [material.use_name]."
+		gender = NEUTER
+
+/obj/item/stack/material/use(var/used)
+	. = ..()
+	update_strings()
+	return
+
+/obj/item/stack/material/transfer_to(obj/item/stack/S, var/tamount=null, var/type_verified)
+	var/obj/item/stack/material/M = S
+	if(!istype(M) || material.name != M.material.name)
+		return 0
+	var/transfer = ..(S,tamount,1)
+	if(src) update_strings()
+	if(M) M.update_strings()
+	return transfer
+
+/obj/item/stack/material/attack_self(var/mob/user)
+	if(!material.build_windows(user, src))
+		..()
+
+/obj/item/stack/material/attackby(var/obj/item/W, var/mob/user)
+	if(istype(W,/obj/item/stack/cable_coil))
+		material.build_wired_product(user, W, src)
+		return
+	else if(istype(W, /obj/item/stack/rods))
+		material.build_rod_product(user, W, src)
+		return
+	return ..()

code/modules/materials/sheets/gems.dm

@@ -0,0 +1,66 @@
+/obj/item/stack/material/phoron
+	name = "solid phoron"
+	icon_state = "sheet-phoron"
+	default_type = "phoron"
+	no_variants = FALSE
+	drop_sound = 'sound/items/drop/glass.ogg'
+	pickup_sound = 'sound/items/pickup/glass.ogg'
+
+/obj/item/stack/material/diamond
+	name = "diamond"
+	icon_state = "sheet-diamond"
+	default_type = "diamond"
+	drop_sound = 'sound/items/drop/glass.ogg'
+	pickup_sound = 'sound/items/pickup/glass.ogg'
+
+/obj/item/stack/material/painite
+	name = "painite"
+	icon_state = "sheet-gem"
+	singular_name = "painite gem"
+	default_type = "painite"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/void_opal
+	name = "void opal"
+	icon_state = "sheet-void_opal"
+	singular_name = "void opal"
+	default_type = "void opal"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/quartz
+	name = "quartz"
+	icon_state = "sheet-gem"
+	singular_name = "quartz gem"
+	default_type = "quartz"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/valhollide
+	name = MAT_VALHOLLIDE
+	icon_state = "sheet-gem"
+	item_state = "diamond"
+	default_type = MAT_VALHOLLIDE
+	no_variants = FALSE
+	apply_colour = TRUE
+
+// Particle Smasher and Exotic material.
+/obj/item/stack/material/verdantium
+	name = MAT_VERDANTIUM
+	icon_state = "sheet-wavy"
+	item_state = "mhydrogen"
+	default_type = MAT_VERDANTIUM
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/morphium
+	name = MAT_MORPHIUM
+	icon_state = "sheet-wavy"
+	item_state = "mhydrogen"
+	default_type = MAT_MORPHIUM
+	no_variants = FALSE
+	apply_colour = TRUE
+
+
+

code/modules/materials/sheets/glass.dm

@@ -0,0 +1,33 @@
+/obj/item/stack/material/glass
+	name = "glass"
+	icon_state = "sheet-transparent"
+	default_type = "glass"
+	no_variants = FALSE
+	drop_sound = 'sound/items/drop/glass.ogg'
+	pickup_sound = 'sound/items/pickup/glass.ogg'
+	apply_colour = TRUE
+
+/obj/item/stack/material/glass/reinforced
+	name = "reinforced glass"
+	icon_state = "sheet-rtransparent"
+	default_type = "rglass"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/glass/phoronglass
+	name = "borosilicate glass"
+	desc = "This sheet is special platinum-glass alloy designed to withstand large temperatures"
+	singular_name = "borosilicate glass sheet"
+	icon_state = "sheet-transparent"
+	default_type = "borosilicate glass"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/glass/phoronrglass
+	name = "reinforced borosilicate glass"
+	desc = "This sheet is special platinum-glass alloy designed to withstand large temperatures. It is reinforced with few rods."
+	singular_name = "reinforced borosilicate glass sheet"
+	icon_state = "sheet-rtransparent"
+	default_type = "reinforced borosilicate glass"
+	no_variants = FALSE
+	apply_colour = TRUE

code/modules/materials/sheets/metals/hull.dm

@@ -0,0 +1,18 @@
+/obj/item/stack/material/steel/hull
+	name = MAT_STEELHULL
+	default_type = MAT_STEELHULL
+
+/obj/item/stack/material/plasteel/hull
+	name = MAT_PLASTEELHULL
+	default_type = MAT_PLASTEELHULL
+
+/obj/item/stack/material/durasteel/hull
+	name = MAT_DURASTEELHULL
+
+/obj/item/stack/material/titanium/hull
+	name = MAT_TITANIUMHULL
+	default_type = MAT_TITANIUMHULL
+
+/obj/item/stack/material/morphium/hull
+	name = MAT_MORPHIUMHULL
+	default_type = MAT_MORPHIUMHULL

code/modules/materials/sheets/metals/metal.dm

@@ -0,0 +1,140 @@
+/obj/item/stack/material/steel
+	name = DEFAULT_WALL_MATERIAL
+	icon_state = "sheet-refined"
+	default_type = DEFAULT_WALL_MATERIAL
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/plasteel
+	name = "plasteel"
+	icon_state = "sheet-reinforced"
+	default_type = "plasteel"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/durasteel
+	name = "durasteel"
+	icon_state = "sheet-reinforced"
+	item_state = "sheet-metal"
+	default_type = "durasteel"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/titanium
+	name = MAT_TITANIUM
+	icon_state = "sheet-refined"
+	apply_colour = TRUE
+	item_state = "sheet-silver"
+	default_type = MAT_TITANIUM
+	no_variants = FALSE
+
+/obj/item/stack/material/iron
+	name = "iron"
+	icon_state = "sheet-ingot"
+	default_type = "iron"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/lead
+	name = "lead"
+	icon_state = "sheet-ingot"
+	default_type = "lead"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/gold
+	name = "gold"
+	icon_state = "sheet-ingot"
+	default_type = "gold"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/silver
+	name = "silver"
+	icon_state = "sheet-ingot"
+	default_type = "silver"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+//Valuable resource, cargo can sell it.
+/obj/item/stack/material/platinum
+	name = "platinum"
+	icon_state = "sheet-adamantine"
+	default_type = "platinum"
+	no_variants = FALSE
+	apply_colour = TRUE
+
+/obj/item/stack/material/uranium
+	name = "uranium"
+	icon_state = "sheet-uranium"
+	default_type = "uranium"
+	no_variants = FALSE
+
+//Extremely valuable to Research.
+/obj/item/stack/material/mhydrogen
+	name = "metallic hydrogen"
+	icon_state = "sheet-mythril"
+	default_type = "mhydrogen"
+	no_variants = FALSE
+
+// Fusion fuel.
+/obj/item/stack/material/deuterium
+	name = "deuterium"
+	icon_state = "sheet-puck"
+	default_type = "deuterium"
+	apply_colour = 1
+	no_variants = FALSE
+
+//Fuel for MRSPACMAN generator.
+/obj/item/stack/material/tritium
+	name = "tritium"
+	icon_state = "sheet-puck"
+	default_type = "tritium"
+	apply_colour = TRUE
+	no_variants = FALSE
+
+/obj/item/stack/material/osmium
+	name = "osmium"
+	icon_state = "sheet-ingot"
+	default_type = "osmium"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/graphite
+	name = "graphite"
+	icon_state = "sheet-puck"
+	default_type = MAT_GRAPHITE
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/bronze
+	name = "bronze"
+	icon_state = "sheet-ingot"
+	singular_name = "bronze ingot"
+	default_type = "bronze"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/tin
+	name = "tin"
+	icon_state = "sheet-ingot"
+	singular_name = "tin ingot"
+	default_type = "tin"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/copper
+	name = "copper"
+	icon_state = "sheet-ingot"
+	singular_name = "copper ingot"
+	default_type = "copper"
+	apply_colour = 1
+	no_variants = FALSE
+
+/obj/item/stack/material/aluminium
+	name = "aluminium"
+	icon_state = "sheet-ingot"
+	singular_name = "aluminium ingot"
+	default_type = "aluminium"
+	apply_colour = 1
+	no_variants = FALSE

code/modules/materials/sheets/metals/rods.dm

@@ -0,0 +1,109 @@
+/obj/item/stack/rods
+	name = "metal rod"
+	desc = "Some rods. Can be used for building, or something."
+	singular_name = "metal rod"
+	icon_state = "rods"
+	w_class = ITEMSIZE_NORMAL
+	force = 9.0
+	throwforce = 15.0
+	throw_speed = 5
+	throw_range = 20
+	drop_sound = 'sound/items/drop/metalweapon.ogg'
+	pickup_sound = 'sound/items/pickup/metalweapon.ogg'
+	matter = list(DEFAULT_WALL_MATERIAL = SHEET_MATERIAL_AMOUNT / 2)
+	max_amount = 60
+	attack_verb = list("hit", "bludgeoned", "whacked")
+
+	color = "#666666"
+
+/obj/item/stack/rods/cyborg
+	name = "metal rod synthesizer"
+	desc = "A device that makes metal rods."
+	gender = NEUTER
+	matter = null
+	uses_charge = 1
+	charge_costs = list(500)
+	stacktype = /obj/item/stack/rods
+	no_variants = TRUE
+
+/obj/item/stack/rods/Initialize()
+	. = ..()
+	recipes = rods_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"
+
+var/global/list/datum/stack_recipe/rods_recipes = list( \
+	new/datum/stack_recipe("grille", /obj/structure/grille, 2, time = 10, one_per_turf = 1, on_floor = 0),
+	new/datum/stack_recipe("catwalk", /obj/structure/catwalk, 2, time = 80, one_per_turf = 1, on_floor = 1))
+
+/obj/item/stack/rods/attackby(obj/item/W as obj, mob/user as mob)
+	if (istype(W, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/WT = W
+
+		if(get_amount() < 2)
+			to_chat(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/material/steel/new_item = new(usr.loc)
+			new_item.add_to_stacks(usr)
+			for (var/mob/M in viewers(src))
+				M.show_message("<span class='notice'>[src] is shaped into metal by [user.name] with the weldingtool.</span>", 3, "<span class='notice'>You hear welding.</span>", 2)
+			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)
+		return
+
+	if (istype(W, /obj/item/weapon/tape_roll))
+		var/obj/item/stack/medical/splint/ghetto/new_splint = new(get_turf(user))
+		new_splint.add_fingerprint(user)
+
+		user.visible_message("<span class='notice'>\The [user] constructs \a [new_splint] out of a [singular_name].</span>", \
+				"<span class='notice'>You use make \a [new_splint] out of a [singular_name].</span>")
+		src.use(1)
+		return
+
+	..()
+
+/*
+/obj/item/stack/rods/attack_self(mob/user as mob)
+	src.add_fingerprint(user)
+
+	if(!istype(user.loc,/turf)) return 0
+
+	if (locate(/obj/structure/grille, usr.loc))
+		for(var/obj/structure/grille/G in usr.loc)
+			if (G.destroyed)
+				G.health = 10
+				G.density = 1
+				G.destroyed = 0
+				G.icon_state = "grille"
+				use(1)
+			else
+				return 1
+
+	else if(!in_use)
+		if(get_amount() < 2)
+			to_chat(user, "<span class='warning'>You need at least two rods to do this.</span>")
+			return
+		to_chat(usr, "<span class='notice'>Assembling grille...</span>")
+		in_use = 1
+		if (!do_after(usr, 10))
+			in_use = 0
+			return
+		var/obj/structure/grille/F = new /obj/structure/grille/ ( usr.loc )
+		to_chat(usr, "<span class='notice'>You assemble a grille</span>")
+		in_use = 0
+		F.add_fingerprint(usr)
+		use(2)
+	return
+*/

code/modules/materials/sheets/organic/animal_products.dm

@@ -0,0 +1,31 @@
+/obj/item/stack/material/chitin
+	name = "chitin"
+	desc = "The by-product of mob grinding."
+	icon_state = "chitin"
+	default_type = MAT_CHITIN
+	no_variants = FALSE
+	pass_color = TRUE
+	strict_color_stacking = TRUE
+	drop_sound = 'sound/items/drop/leather.ogg'
+	pickup_sound = 'sound/items/pickup/leather.ogg'
+
+//don't see anywhere else to put these, maybe together they could be used to make the xenos suit?
+/obj/item/stack/xenochitin
+	name = "alien chitin"
+	desc = "A piece of the hide of a terrible creature."
+	singular_name = "alien chitin piece"
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "chitin"
+	stacktype = "hide-chitin"
+
+/obj/item/xenos_claw
+	name = "alien claw"
+	desc = "The claw of a terrible creature."
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "claw"
+
+/obj/item/weed_extract
+	name = "weed extract"
+	desc = "A piece of slimy, purplish weed."
+	icon = 'icons/mob/alien.dmi'
+	icon_state = "weed_extract"

code/modules/materials/sheets/organic/resin.dm

@@ -0,0 +1,8 @@
+/obj/item/stack/material/resin
+	name = "resin"
+	icon_state = "sheet-resin"
+	default_type = "resin"
+	no_variants = TRUE
+	apply_colour = TRUE
+	pass_color = TRUE
+	strict_color_stacking = TRUE

code/modules/materials/sheets/organic/tanning/hide.dm

@@ -0,0 +1,90 @@
+/obj/item/stack/animalhide
+	name = "hide"
+	desc = "The hide of some creature."
+	description_info = "Use something <b><font color='red'>sharp</font></b>, like a knife, to scrape the hairs/feathers/etc off this hide to prepare it for tanning."
+	icon_state = "sheet-hide"
+	drop_sound = 'sound/items/drop/cloth.ogg'
+	pickup_sound = 'sound/items/pickup/cloth.ogg'
+	amount = 1
+	max_amount = 20
+	stacktype = "hide"
+	no_variants = TRUE
+// This needs to be very clearly documented for players. Whether it should stay in the main description is up for debate.
+/obj/item/stack/animalhide/examine(var/mob/user)
+	. = ..()
+	. += description_info
+
+//Step one - dehairing.
+/obj/item/stack/animalhide/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(has_edge(W) || is_sharp(W))
+		//visible message on mobs is defined as visible_message(var/message, var/self_message, var/blind_message)
+		user.visible_message("<span class='notice'>\The [user] starts cutting hair off \the [src]</span>", "<span class='notice'>You start cutting the hair off \the [src]</span>", "You hear the sound of a knife rubbing against flesh")
+		var/scraped = 0
+		while(amount > 0 && do_after(user, 2.5 SECONDS)) // 2.5s per hide
+			//Try locating an exisitng stack on the tile and add to there if possible
+			var/obj/item/stack/hairlesshide/H = null
+			for(var/obj/item/stack/hairlesshide/HS in user.loc) // Could be scraping something inside a locker, hence the .loc, not get_turf
+				if(HS.amount < HS.max_amount)
+					H = HS
+					break
+			
+			 // Either we found a valid stack, in which case increment amount,
+			 // Or we need to make a new stack
+			if(istype(H))
+				H.amount++
+			else
+				H = new /obj/item/stack/hairlesshide(user.loc)
+
+			// Increment the amount
+			src.use(1)
+			scraped++
+		
+		if(scraped)
+			to_chat(user, SPAN_NOTICE("You scrape the hair off [scraped] hide\s."))
+	else
+		..()
+
+/obj/item/stack/animalhide/human
+	name = "skin"
+	desc = "The by-product of sapient farming."
+	singular_name = "skin piece"
+	icon_state = "sheet-hide"
+	no_variants = FALSE
+	drop_sound = 'sound/items/drop/leather.ogg'
+	pickup_sound = 'sound/items/pickup/leather.ogg'
+	stacktype = "hide-human"
+
+/obj/item/stack/animalhide/corgi
+	name = "corgi hide"
+	desc = "The by-product of corgi farming."
+	singular_name = "corgi hide piece"
+	icon_state = "sheet-corgi"
+	stacktype = "hide-corgi"
+
+/obj/item/stack/animalhide/cat
+	name = "cat hide"
+	desc = "The by-product of cat farming."
+	singular_name = "cat hide piece"
+	icon_state = "sheet-cat"
+	stacktype = "hide-cat"
+
+/obj/item/stack/animalhide/monkey
+	name = "monkey hide"
+	desc = "The by-product of monkey farming."
+	singular_name = "monkey hide piece"
+	icon_state = "sheet-monkey"
+	stacktype = "hide-monkey"
+
+/obj/item/stack/animalhide/lizard
+	name = "lizard skin"
+	desc = "Sssssss..."
+	singular_name = "lizard skin piece"
+	icon_state = "sheet-lizard"
+	stacktype = "hide-lizard"
+
+/obj/item/stack/animalhide/xeno
+	name = "alien hide"
+	desc = "The skin of a terrible creature."
+	singular_name = "alien hide piece"
+	icon_state = "sheet-xeno"
+	stacktype = "hide-xeno"

code/modules/materials/sheets/organic/tanning/hide_hairless.dm

@@ -0,0 +1,48 @@
+//Step two - washing..... it's actually in washing machine code, and ere.
+
+/obj/item/stack/hairlesshide
+	name = "hairless hide"
+	desc = "This hide was stripped of it's hair, but still needs tanning."
+	description_info = "Get it <b><font color='blue'>wet</font></b> to continue tanning this into leather.<br>\
+					You could set it in a river, wash it with a sink, or just splash water on it with a bucket."
+	singular_name = "hairless hide piece"
+	icon_state = "sheet-hairlesshide"
+	no_variants = FALSE
+	max_amount = 20
+	stacktype = "hairlesshide"
+
+/obj/item/stack/hairlesshide/examine(var/mob/user)
+	. = ..()
+	. += description_info
+
+/obj/item/stack/hairlesshide/water_act(var/wateramount)
+	. = ..()
+	wateramount = min(amount, round(wateramount))
+	for(var/i in 1 to wateramount)
+		var/obj/item/stack/wetleather/H = null
+		for(var/obj/item/stack/wetleather/HS in get_turf(src)) // Doesn't have a user, can't just use their loc
+			if(HS.amount < HS.max_amount)
+				H = HS
+				break
+			
+		 // Either we found a valid stack, in which case increment amount,
+		 // Or we need to make a new stack
+		if(istype(H))
+			H.amount++
+		else
+			H = new /obj/item/stack/wetleather(get_turf(src))
+
+		// Increment the amount
+		src.use(1)
+
+/obj/item/stack/hairlesshide/proc/rapidcure(var/stacknum = 1)
+	stacknum = min(stacknum, amount)
+
+	while(stacknum)
+		var/obj/item/stack/wetleather/I = new /obj/item/stack/wetleather(get_turf(src))
+
+		if(istype(I))
+			I.dry()
+
+		use(1)
+		stacknum -= 1

code/modules/materials/sheets/organic/tanning/leather_wet.dm

@@ -0,0 +1,51 @@
+//Step three - drying
+/obj/item/stack/wetleather
+	name = "wet leather"
+	desc = "This leather has been cleaned but still needs to be dried."
+	description_info = "To finish tanning the leather, you need to dry it. \
+						You could place it under a <b><font color='red'>fire</font></b>, \
+						put it in a <b><font color='blue'>drying rack</font></b>, \
+						or build a <b><font color='brown'>tanning rack</font></b> from steel or wooden boards."
+	singular_name = "wet leather piece"
+	icon_state = "sheet-wetleather"
+	var/wetness = 30 //Reduced when exposed to high temperautres
+	var/drying_threshold_temperature = 500 //Kelvin to start drying
+	no_variants = FALSE
+	max_amount = 20
+	stacktype = "wetleather"
+
+	var/dry_type = /obj/item/stack/material/leather
+
+/obj/item/stack/wetleather/examine(var/mob/user)
+	. = ..()
+	. += description_info
+	. += "\The [src] is [get_dryness_text()]."
+
+/obj/item/stack/wetleather/proc/get_dryness_text()
+	if(wetness > 20)
+		return "wet"
+	if(wetness > 10)
+		return "damp"
+	if(wetness)
+		return "almost dry"
+	return "dry"
+
+/obj/item/stack/wetleather/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+	..()
+	if(exposed_temperature >= drying_threshold_temperature)
+		wetness--
+		if(wetness == 0)
+			dry()
+
+/obj/item/stack/wetleather/proc/dry()
+	var/obj/item/stack/material/leather/L = new(src.loc)
+	L.amount = amount
+	use(amount)
+	return L
+
+/obj/item/stack/wetleather/transfer_to(obj/item/stack/S, var/tamount=null, var/type_verified)
+	. = ..()
+	if(.) // If it transfers any, do a weighted average of the wetness
+		var/obj/item/stack/wetleather/W = S
+		var/oldamt = W.amount - .
+		W.wetness = round(((oldamt * W.wetness) + (. * wetness)) / W.amount)

code/modules/materials/sheets/organic/tanning/tanning_rack.dm

@@ -0,0 +1,70 @@
+/obj/structure/tanning_rack
+	name = "tanning rack"
+	desc = "A rack used to stretch leather out and hold it taut during the tanning process."
+	icon = 'icons/obj/kitchen.dmi'
+	icon_state = "spike"
+
+	var/obj/item/stack/wetleather/drying = null
+
+/obj/structure/tanning_rack/Initialize()
+	. = ..()
+	START_PROCESSING(SSobj, src) // SSObj fires ~every 2s , starting from wetness 30 takes ~1m
+
+/obj/structure/tanning_rack/Destroy()
+	STOP_PROCESSING(SSobj, src)
+	return ..()
+
+/obj/structure/tanning_rack/process()
+	if(drying && drying.wetness)
+		drying.wetness = max(drying.wetness - 1, 0)
+		if(!drying.wetness)
+			visible_message("The [drying] is dry!")
+			update_icon()
+
+/obj/structure/tanning_rack/examine(var/mob/user)
+	. = ..()
+	if(drying)
+		. += "\The [drying] is [drying.get_dryness_text()]."
+
+/obj/structure/tanning_rack/update_icon()
+	overlays.Cut()
+	if(drying)
+		var/image/I
+		if(drying.wetness)
+			I = image(icon, "leather_wet")
+		else
+			I = image(icon, "leather_dry")
+		add_overlay(I)
+
+/obj/structure/tanning_rack/attackby(var/atom/A, var/mob/user)
+	if(istype(A, /obj/item/stack/wetleather))
+		if(!drying) // If not drying anything, start drying the thing
+			if(user.unEquip(A, target = src))
+				drying = A
+		else // Drying something, add if possible
+			var/obj/item/stack/wetleather/W = A
+			W.transfer_to(drying, W.amount, TRUE)
+		update_icon()
+		return TRUE
+	return ..()
+
+/obj/structure/tanning_rack/attack_hand(var/mob/user)
+	if(drying)
+		var/obj/item/stack/S = drying
+		if(!drying.wetness) // If it's dry, make a stack of dry leather and prepare to put that in their hands
+			var/obj/item/stack/material/leather/L = new(src)
+			L.amount = drying.amount
+			drying.use(drying.amount)
+			S = L
+
+		if(ishuman(user))
+			var/mob/living/carbon/human/H = user
+			if(!H.put_in_any_hand_if_possible(S))
+				S.forceMove(get_turf(src))
+		else
+			S.forceMove(get_turf(src))
+		drying = null
+		update_icon()
+
+/obj/structure/tanning_rack/attack_robot(var/mob/user)
+	attack_hand(user) // That has checks to 

code/modules/materials/sheets/organic/textiles.dm

@@ -0,0 +1,23 @@
+/obj/item/stack/material/leather
+	name = "leather"
+	desc = "The by-product of mob grinding."
+	icon_state = "sheet-leather"
+	default_type = MAT_LEATHER
+	no_variants = FALSE
+	pass_color = TRUE
+	strict_color_stacking = TRUE
+	drop_sound = 'sound/items/drop/leather.ogg'
+	pickup_sound = 'sound/items/pickup/leather.ogg'
+
+/obj/item/stack/material/cloth
+	name = "cloth"
+	icon_state = "sheet-cloth"
+	default_type = "cloth"
+	no_variants = FALSE
+	pass_color = TRUE
+	strict_color_stacking = TRUE
+	drop_sound = 'sound/items/drop/clothing.ogg'
+	pickup_sound = 'sound/items/pickup/clothing.ogg'
+
+/obj/item/stack/material/cloth/diyaab
+	color = "#c6ccf0"

code/modules/materials/sheets/organic/wood.dm

@@ -0,0 +1,55 @@
+/obj/item/stack/material/wood
+	name = "wooden plank"
+	icon_state = "sheet-wood"
+	default_type = MAT_WOOD
+	strict_color_stacking = TRUE
+	apply_colour = 1
+	drop_sound = 'sound/items/drop/wooden.ogg'
+	pickup_sound = 'sound/items/pickup/wooden.ogg'
+	no_variants = FALSE
+
+/obj/item/stack/material/wood/sif
+	name = "alien wooden plank"
+	color = "#0099cc"
+	default_type = MAT_SIFWOOD
+
+/obj/item/stack/material/log
+	name = "log"
+	icon_state = "sheet-log"
+	default_type = MAT_LOG
+	no_variants = FALSE
+	color = "#824B28"
+	max_amount = 25
+	w_class = ITEMSIZE_HUGE
+	description_info = "Use inhand to craft things, or use a sharp and edged object on this to convert it into two wooden planks."
+	var/plank_type = /obj/item/stack/material/wood
+	drop_sound = 'sound/items/drop/wooden.ogg'
+	pickup_sound = 'sound/items/pickup/wooden.ogg'
+
+/obj/item/stack/material/log/sif
+	name = "alien log"
+	default_type = MAT_SIFLOG
+	color = "#0099cc"
+	plank_type = /obj/item/stack/material/wood/sif
+
+/obj/item/stack/material/log/attackby(var/obj/item/W, var/mob/user)
+	if(!istype(W) || W.force <= 0)
+		return ..()
+	if(W.sharp && W.edge)
+		var/time = (3 SECONDS / max(W.force / 10, 1)) * W.toolspeed
+		user.setClickCooldown(time)
+		if(do_after(user, time, src) && use(1))
+			to_chat(user, "<span class='notice'>You cut up a log into planks.</span>")
+			playsound(src, 'sound/effects/woodcutting.ogg', 50, 1)
+			var/obj/item/stack/material/wood/existing_wood = null
+			for(var/obj/item/stack/material/wood/M in user.loc)
+				if(M.material.name == src.material.name)
+					existing_wood = M
+					break
+
+			var/obj/item/stack/material/wood/new_wood = new plank_type(user.loc)
+			new_wood.amount = 2
+			if(existing_wood && new_wood.transfer_to(existing_wood))
+				to_chat(user, "<span class='notice'>You add the newly-formed wood to the stack. It now contains [existing_wood.amount] planks.</span>")
+	else
+		return ..()

code/modules/materials/sheets/plastic.dm

@@ -0,0 +1,15 @@
+/obj/item/stack/material/plastic
+	name = "plastic"
+	icon_state = "sheet-plastic"
+	default_type = "plastic"
+	no_variants = FALSE
+
+/obj/item/stack/material/cardboard
+	name = "cardboard"
+	icon_state = "sheet-card"
+	default_type = "cardboard"
+	no_variants = FALSE
+	pass_color = TRUE
+	strict_color_stacking = TRUE
+	drop_sound = 'sound/items/drop/cardboardbox.ogg'
+	pickup_sound = 'sound/items/pickup/cardboardbox.ogg'

code/modules/materials/sheets/snow.dm

@@ -0,0 +1,16 @@
+// Ok, technically not stones, but the snowbrick's function is similar to sandstone and marble
+/obj/item/stack/material/snow
+	name = "snow"
+	desc = "The temptation to build a snowman rises."
+	icon_state = "sheet-snow"
+	drop_sound = 'sound/items/drop/gloves.ogg'
+	pickup_sound = 'sound/items/pickup/clothing.ogg'
+	default_type = "snow"
+
+/obj/item/stack/material/snowbrick
+	name = "snow brick"
+	desc = "For all of your igloo building needs."
+	icon_state = "sheet-snowbrick"
+	default_type = "packed snow"
+	drop_sound = 'sound/items/drop/gloves.ogg'
+	pickup_sound = 'sound/items/pickup/clothing.ogg'

code/modules/materials/sheets/stone.dm

@@ -0,0 +1,15 @@
+/obj/item/stack/material/sandstone
+	name = "sandstone brick"
+	icon_state = "sheet-sandstone"
+	default_type = "sandstone"
+	no_variants = FALSE
+	drop_sound = 'sound/items/drop/boots.ogg'
+	pickup_sound = 'sound/items/pickup/boots.ogg'
+
+/obj/item/stack/material/marble
+	name = "marble brick"
+	icon_state = "sheet-marble"
+	default_type = "marble"
+	no_variants = FALSE
+	drop_sound = 'sound/items/drop/boots.ogg'
+	pickup_sound = 'sound/items/pickup/boots.ogg'

code/modules/materials/sheets/supermatter.dm

@@ -0,0 +1,55 @@
+// Forged in the equivalent of Hell, one piece at a time.
+/obj/item/stack/material/supermatter
+	name = MAT_SUPERMATTER
+	icon_state = "sheet-super"
+	item_state = "diamond"
+	default_type = MAT_SUPERMATTER
+	apply_colour = TRUE
+
+/obj/item/stack/material/supermatter/proc/update_mass()	// Due to how dangerous they can be, the item will get heavier and larger the more are in the stack.
+	slowdown = amount / 10
+	w_class = min(5, round(amount / 10) + 1)
+	throw_range = round(amount / 7) + 1
+
+/obj/item/stack/material/supermatter/use(var/used)
+	. = ..()
+	update_mass()
+	return
+
+/obj/item/stack/material/supermatter/attack_hand(mob/user)
+	. = ..()
+
+	update_mass()
+	SSradiation.radiate(src, 5 + amount)
+	var/mob/living/M = user
+	if(!istype(M))
+		return
+
+	var/burn_user = TRUE
+	if(istype(M, /mob/living/carbon/human))
+		var/mob/living/carbon/human/H = user
+		var/obj/item/clothing/gloves/G = H.gloves
+		if(istype(G) && ((G.flags & THICKMATERIAL && prob(70)) || istype(G, /obj/item/clothing/gloves/gauntlets)))
+			burn_user = FALSE
+
+		if(burn_user)
+			H.visible_message("<span class='danger'>\The [src] flashes as it scorches [H]'s hands!</span>")
+			H.apply_damage(amount / 2 + 5, BURN, "r_hand", used_weapon="Supermatter Chunk")
+			H.apply_damage(amount / 2 + 5, BURN, "l_hand", used_weapon="Supermatter Chunk")
+			H.drop_from_inventory(src, get_turf(H))
+			return
+
+	if(istype(user, /mob/living/silicon/robot))
+		burn_user = FALSE
+
+	if(burn_user)
+		M.apply_damage(amount, BURN, null, used_weapon="Supermatter Chunk")
+
+/obj/item/stack/material/supermatter/ex_act(severity)	// An incredibly hard to manufacture material, SM chunks are unstable by their 'stabilized' nature.
+	if(prob((4 / severity) * 20))
+		SSradiation.radiate(get_turf(src), amount * 4)
+		explosion(get_turf(src),round(amount / 12) , round(amount / 6), round(amount / 3), round(amount / 25))
+		qdel(src)
+		return
+	SSradiation.radiate(get_turf(src), amount * 2)
+	..()