Merge branch 'master' into Ghommie-cit721

code/game/area/areas.dm

@@ -11,13 +11,27 @@
 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	invisibility = INVISIBILITY_LIGHTING
 
-	var/map_name // Set in New(); preserves the name set by the map maker, even if renamed by the Blueprints.
+	/// Set in New(); preserves the name set by the map maker, even if renamed by the Blueprints.
+	var/map_name
 
-	var/valid_territory = TRUE // If it's a valid territory for gangs to claim
-	var/blob_allowed = TRUE // Does it count for blobs score? By default, all areas count.
-	var/clockwork_warp_allowed = TRUE // Can servants warp into this area from Reebe?
+	/// If it's valid territory for gangs/cults to summon
+	var/valid_territory = TRUE
+	/// if blobs can spawn there and if it counts towards their score.
+	var/blob_allowed = TRUE
+	/// whether servants can warp into this area from Reebe
+	var/clockwork_warp_allowed = TRUE
+	/// Message to display when the clockwork warp fails
 	var/clockwork_warp_fail = "The structure there is too dense for warping to pierce. (This is normal in high-security areas.)"
 
+	/// If mining tunnel generation is allowed in this area
+	var/tunnel_allowed = FALSE
+	/// If flora are allowed to spawn in this area randomly through tunnel generation
+	var/flora_allowed = FALSE
+	/// if mobs can be spawned by natural random generation
+	var/mob_spawn_allowed = FALSE
+	/// If megafauna can be spawned by natural random generation
+	var/megafauna_spawn_allowed = FALSE
+
 	var/fire = null
 	var/atmos = TRUE
 	var/atmosalm = FALSE
@@ -25,11 +39,14 @@
 	var/lightswitch = TRUE
 
 	var/requires_power = TRUE
-	var/always_unpowered = FALSE	// This gets overridden to 1 for space in area/Initialize().
+	/// This gets overridden to 1 for space in area/Initialize().
+	var/always_unpowered = FALSE
 
-	var/outdoors = FALSE //For space, the asteroid, lavaland, etc. Used with blueprints to determine if we are adding a new area (vs editing a station room)
+	/// For space, the asteroid, lavaland, etc. Used with blueprints to determine if we are adding a new area (vs editing a station room)
+	var/outdoors = FALSE
 
-	var/areasize = 0 //Size of the area in open turfs, only calculated for indoors areas.
+	/// Size of the area in open turfs, only calculated for indoors areas.
+	var/areasize = 0
 
 	var/power_equip = TRUE
 	var/power_light = TRUE
@@ -43,9 +60,12 @@
 	var/static_environ
 
 	var/has_gravity = 0
-	var/noteleport = FALSE			//Are you forbidden from teleporting to the area? (centcom, mobs, wizard, hand teleporter)
-	var/hidden = FALSE 			//Hides area from player Teleport function.
-	var/safe = FALSE 				//Is the area teleport-safe: no space / radiation / aggresive mobs / other dangers
+	/// Are you forbidden from teleporting to the area? (centcom, mobs, wizard, hand teleporter)
+	var/noteleport = FALSE
+	/// Hides area from player Teleport function.
+	var/hidden = FALSE
+	/// Is the area teleport-safe: no space / radiation / aggresive mobs / other dangers
+	var/safe = FALSE 				
 	/// If false, loading multiple maps with this area type will create multiple instances.
 	var/unique = TRUE
 

code/game/area/areas/mining.dm

@@ -3,6 +3,7 @@
 /area/mine
 	icon_state = "mining"
 	has_gravity = STANDARD_GRAVITY
+	flora_allowed = TRUE
 
 /area/mine/explored
 	name = "Mine"
@@ -17,6 +18,7 @@
 	outdoors = TRUE
 	flags_1 = NONE
 	ambientsounds = MINING
+	flora_allowed = FALSE
 
 /area/mine/unexplored
 	name = "Mine"
@@ -31,6 +33,7 @@
 	outdoors = TRUE
 	flags_1 = NONE
 	ambientsounds = MINING
+	tunnel_allowed = TRUE
 
 /area/mine/lobby
 	name = "Mining Station"
@@ -82,6 +85,7 @@
 	icon_state = "mining"
 	has_gravity = STANDARD_GRAVITY
 	flags_1 = NONE
+	flora_allowed = TRUE
 
 /area/lavaland/surface
 	name = "Lavaland"
@@ -114,9 +118,79 @@
 
 /area/lavaland/surface/outdoors/unexplored //monsters and ruins spawn here
 	icon_state = "unexplored"
+	tunnel_allowed = TRUE
+	mob_spawn_allowed = TRUE
 
 /area/lavaland/surface/outdoors/unexplored/danger //megafauna will also spawn here
 	icon_state = "danger"
+	megafauna_spawn_allowed = TRUE
 
 /area/lavaland/surface/outdoors/explored
 	name = "Lavaland Labor Camp"
+	flora_allowed = FALSE
+
+
+
+/**********************Ice Moon Areas**************************/
+
+/area/icemoon
+	icon_state = "mining"
+	has_gravity = STANDARD_GRAVITY
+	flags_1 = NONE
+	flora_allowed = TRUE
+	blob_allowed = FALSE
+
+/area/icemoon/surface
+	name = "Icemoon"
+	icon_state = "explored"
+	always_unpowered = TRUE
+	poweralm = FALSE
+	power_environ = FALSE
+	power_equip = FALSE
+	power_light = FALSE
+	requires_power = TRUE
+	ambientsounds = MINING
+
+/area/icemoon/underground
+	name = "Icemoon Caves"
+	outdoors = TRUE
+	always_unpowered = TRUE
+	requires_power = TRUE
+	poweralm = FALSE
+	power_environ = FALSE
+	power_equip = FALSE
+	power_light = FALSE
+	ambientsounds = MINING
+
+/area/icemoon/underground/unexplored // mobs and megafauna and ruins spawn here
+	name = "Icemoon Caves"
+	icon_state = "unexplored"
+	tunnel_allowed = TRUE
+	mob_spawn_allowed = TRUE
+	megafauna_spawn_allowed = TRUE
+
+/area/icemoon/underground/unexplored/rivers // rivers spawn here
+	icon_state = "danger"
+
+/area/icemoon/underground/explored
+	name = "Icemoon Underground"
+	flora_allowed = FALSE
+
+/area/icemoon/surface/outdoors
+	name = "Icemoon Wastes"
+	outdoors = TRUE
+
+/area/icemoon/surface/outdoors/labor_camp
+	name = "Icemoon Labor Camp"
+	flora_allowed = FALSE
+
+/area/icemoon/surface/outdoors/unexplored //monsters and ruins spawn here
+	icon_state = "unexplored"
+	tunnel_allowed = TRUE
+	mob_spawn_allowed = TRUE
+
+/area/icemoon/surface/outdoors/unexplored/rivers // rivers spawn here
+	icon_state = "danger"
+
+/area/icemoon/surface/outdoors/unexplored/rivers/no_monsters
+	mob_spawn_allowed = FALSE

code/game/area/areas/ruins/icemoon.dm

@@ -0,0 +1,9 @@
+// Icemoon Ruins
+
+/area/ruin/unpowered/buried_library
+	name = "Buried Library"
+	icon_state = "dk_yellow"
+
+/area/ruin/powered/bathhouse
+	name = "Bath House"
+	icon_state = "dk_yellow"

code/game/atoms.dm

@@ -50,6 +50,13 @@
 	var/list/blood_DNA
 	var/list/suit_fibers
 
+	/// Last name used to calculate a color for the chatmessage overlays
+	var/chat_color_name
+	/// Last color calculated for the the chatmessage overlays
+	var/chat_color
+	/// A luminescence-shifted value of the last color calculated for chatmessage overlays
+	var/chat_color_darkened
+
 /atom/New(loc, ...)
 	//atom creation method that preloads variables at creation
 	if(GLOB.use_preloader && (src.type == GLOB._preloader.target_path))//in case the instanciated atom is creating other atoms in New()
@@ -965,7 +972,7 @@ Proc for attack log creation, because really why not
 	for(var/x in materials)
 		var/datum/material/custom_material = SSmaterials.GetMaterialRef(x)
 
-		if(!(material_flags & MATERIAL_NO_EFFECTS))
+		if(material_flags & MATERIAL_EFFECTS)
 			custom_material.on_applied(src, materials[custom_material] * multiplier * material_modifier, material_flags)
 		custom_materials[custom_material] += materials[x] * multiplier
 

code/game/atoms_movement.dm

@@ -20,6 +20,9 @@
 	if(!newloc.Enter(src, src.loc))
 		return
 
+	if (SEND_SIGNAL(src, COMSIG_MOVABLE_PRE_MOVE, newloc) & COMPONENT_MOVABLE_BLOCK_PRE_MOVE)
+		return
+
 	// Past this is the point of no return
 	var/atom/oldloc = loc
 	var/area/oldarea = get_area(oldloc)

code/game/gamemodes/dynamic/dynamic_rulesets_midround.dm

@@ -642,6 +642,9 @@
 		for(var/obj/effect/landmark/carpspawn/L in GLOB.landmarks_list)
 			if(isturf(L.loc))
 				spawn_locs += L.loc
+		for(var/obj/effect/landmark/loneopspawn/L in GLOB.landmarks_list)
+			if(isturf(L.loc))
+				spawn_locs += L.loc
 		if(!spawn_locs.len)
 			return FALSE
 		spawn_loc = pick(spawn_locs)

code/game/machinery/autolathe.dm

@@ -62,6 +62,9 @@
 		/datum/material/mythril
 		)
 
+	/// Base print speed
+	var/base_print_speed = 10
+
 /obj/machinery/autolathe/Initialize()
 	AddComponent(/datum/component/material_container, allowed_materials, _show_on_examine=TRUE, _after_insert=CALLBACK(src, .proc/AfterMaterialInsert))
 	. = ..()
@@ -206,7 +209,7 @@
 				busy = TRUE
 				use_power(power)
 				icon_state = "autolathe_n"
-				var/time = is_stack ? 32 : 32*coeff*multiplier
+				var/time = is_stack ? 10 : base_print_speed * coeff * multiplier
 				addtimer(CALLBACK(src, .proc/make_item, power, materials_used, custom_materials, multiplier, coeff, is_stack), time)
 			else
 				to_chat(usr, "<span class=\"alert\">Not enough materials for this operation.</span>")
@@ -254,10 +257,12 @@
 		T += MB.rating*75000
 	var/datum/component/material_container/materials = GetComponent(/datum/component/material_container)
 	materials.max_amount = T
-	T=1.2
+	var/manips = 0
+	var/total_manip_rating = 0
 	for(var/obj/item/stock_parts/manipulator/M in component_parts)
-		T -= M.rating*0.2
-	prod_coeff = min(1,max(0,T)) // Coeff going 1 -> 0,8 -> 0,6 -> 0,4
+		total_manip_rating += M.rating
+		manips++
+	prod_coeff = STANDARD_PART_LEVEL_LATHE_COEFFICIENT(total_manip_rating / (manips? manips : 1))
 
 /obj/machinery/autolathe/examine(mob/user)
 	. += ..()
@@ -440,6 +445,7 @@
 	hackable = FALSE
 	circuit = /obj/item/circuitboard/machine/autolathe/secure
 	stored_research = /datum/techweb/specialized/autounlocking/autolathe/public
+	base_print_speed = 20
 
 /obj/machinery/autolathe/toy
 	name = "autoylathe"

code/game/machinery/buttons.dm

@@ -16,6 +16,9 @@
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 
 /obj/machinery/button/Initialize(mapload, ndir = 0, built = 0)
+	if(istext(id) && mapload)
+		if(copytext(id, 1, 2) == "!")
+			id = SSmapping.get_obfuscated_id(id)
 	. = ..()
 	if(built)
 		setDir(ndir)
@@ -260,6 +263,11 @@
 	req_access = list()
 	id = 1
 
+/obj/machinery/button/electrochromatic
+	name = "window dim control"
+	desc = "Controls linked electrochromatic windows"
+	device_type = /obj/item/assembly/control/electrochromatic
+
 /obj/item/wallframe/button
 	name = "button frame"
 	desc = "Used for building buttons."

code/game/machinery/recharger.dm

@@ -53,6 +53,11 @@
 		using_power = FALSE
 		update_icon()
 
+/obj/machinery/recharger/Exited(atom/movable/M, atom/newloc)
+	. = ..()
+	if(charging == M)
+		setCharging()
+
 /obj/machinery/recharger/attackby(obj/item/G, mob/user, params)
 	if(istype(G, /obj/item/wrench))
 		if(charging)
@@ -111,13 +116,11 @@
 		charging.update_icon()
 		charging.forceMove(drop_location())
 		user.put_in_hands(charging)
-		setCharging(null)
 
 /obj/machinery/recharger/attack_tk(mob/user)
 	if(charging)
 		charging.update_icon()
 		charging.forceMove(drop_location())
-		setCharging(null)
 
 /obj/machinery/recharger/process()
 	if(stat & (NOPOWER|BROKEN) || !anchored)

code/game/mecha/equipment/tools/medical_tools.dm

@@ -530,7 +530,6 @@
 	equip_cooldown = 0
 	var/obj/item/gun/medbeam/mech/medigun
 	custom_materials = list(/datum/material/iron = 15000, /datum/material/glass = 8000, /datum/material/plasma = 3000, /datum/material/gold = 8000, /datum/material/diamond = 2000)
-	material_flags = MATERIAL_NO_EFFECTS
 
 /obj/item/mecha_parts/mecha_equipment/medical/mechmedbeam/Initialize()
 	. = ..()

code/game/mecha/mech_fabricator.dm

@@ -188,7 +188,6 @@
 
 	var/location = get_step(src,(dir))
 	var/obj/item/I = new D.build_path(location)
-	I.material_flags |= MATERIAL_NO_EFFECTS //Find a better way to do this.
 	I.set_custom_materials(res_coef)
 	say("\The [I] is complete.")
 	being_built = null

code/game/objects/effects/landmarks.dm

@@ -313,6 +313,11 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	name = "carpspawn"
 	icon_state = "carp_spawn"
 
+// lone op (optional)
+/obj/effect/landmark/loneopspawn
+	name = "loneop+ninjaspawn"
+	icon_state = "snukeop_spawn"
+
 // observer-start.
 /obj/effect/landmark/observer_start
 	name = "Observer-Start"
@@ -492,7 +497,7 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	if(!template)
 		return FALSE
 	testing("Room \"[template_name]\" placed at ([T.x], [T.y], [T.z])")
-	template.load(T, centered = FALSE)
+	template.load(T, centered = FALSE, orientation = dir, rotate_placement_to_orientation = TRUE)
 	template.loaded++
 	GLOB.stationroom_landmarks -= src
 	qdel(src)
@@ -504,7 +509,6 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 	templates = list("Engine SM" = 3, "Engine Singulo" = 3, "Engine Tesla" = 3)
 	icon = 'icons/rooms/box/engine.dmi'
 
-
 /obj/effect/landmark/stationroom/box/engine/New()
 	. = ..()
 	templates = CONFIG_GET(keyed_list/box_random_engine)
@@ -513,3 +517,9 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 /obj/effect/landmark/stationroom/lavaland/station
 	templates = list("Public Mining Base" = 3)
 	icon = 'icons/rooms/Lavaland/Mining.dmi'
+
+// handled in portals.dm, id connected to one-way portal
+/obj/effect/landmark/portal_exit
+	name = "portal exit"
+	icon_state = "portal_exit"
+	var/id

code/game/objects/effects/portals.dm

@@ -29,6 +29,7 @@
 	var/allow_anchored = FALSE
 	var/innate_accuracy_penalty = 0
 	var/last_effect = 0
+	var/force_teleport = FALSE
 
 /obj/effect/portal/anom
 	name = "wormhole"
@@ -162,7 +163,7 @@
 		no_effect = TRUE
 	else
 		last_effect = world.time
-	if(do_teleport(M, real_target, innate_accuracy_penalty, no_effects = no_effect, channel = teleport_channel))
+	if(do_teleport(M, real_target, innate_accuracy_penalty, no_effects = no_effect, channel = teleport_channel, forced = force_teleport))
 		if(istype(M, /obj/item/projectile))
 			var/obj/item/projectile/P = M
 			P.ignore_source_check = TRUE
@@ -183,3 +184,47 @@
 	else
 		real_target = get_turf(linked)
 	return real_target
+
+/obj/effect/portal/permanent
+	name = "permanent portal"
+	desc = "An unwavering portal that will never fade."
+	hardlinked = FALSE // dont qdel my portal nerd
+	force_teleport = TRUE // force teleports because they're a mapmaker tool
+	var/id // var edit or set id in map editor
+
+/obj/effect/portal/permanent/proc/set_linked()
+	if(!id)
+		return
+	for(var/obj/effect/portal/permanent/P in GLOB.portals - src)
+		if(P.id == id)
+			P.linked = src
+			linked = P
+			break
+
+/obj/effect/portal/permanent/teleport(atom/movable/M, force = FALSE)
+	set_linked() // update portal links
+	. = ..()
+
+/obj/effect/portal/permanent/one_way // doesn't have a return portal, can have multiple exits, /obj/effect/landmark/portal_exit to mark them
+	name = "one-way portal"
+	desc = "You get the feeling that this might not be the safest thing you've ever done."
+
+/obj/effect/portal/permanent/one_way/set_linked()
+	if(!id)
+		return
+	var/list/possible_turfs = list()
+	for(var/obj/effect/landmark/portal_exit/PE in GLOB.landmarks_list)
+		if(PE.id == id)
+			var/turf/T = get_turf(PE)
+			if(T)
+				possible_turfs |= T
+	if(possible_turfs.len)
+		hard_target = pick(possible_turfs)
+
+/obj/effect/portal/permanent/one_way/one_use
+	name = "one-use portal"
+	desc = "This is probably the worst decision you'll ever make in your life."
+
+/obj/effect/portal/permanent/one_way/one_use/teleport(atom/movable/M, force = FALSE)
+	. = ..()
+	qdel(src)

code/game/objects/items.dm

@@ -898,11 +898,3 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	. = ..()
 	if(var_name == NAMEOF(src, slowdown))
 		set_slowdown(var_value)			//don't care if it's a duplicate edit as slowdown'll be set, do it anyways to force normal behavior.
-
-//Called when the object is constructed by an autolathe
-//Has a reference to the autolathe so you can do !!FUN!! things with hacked lathes
-/obj/item/proc/autolathe_crafted(obj/machinery/autolathe/A)
-	return
-
-/obj/item/proc/rnd_crafted(obj/machinery/rnd/production/P)
-	return

code/game/objects/items/crayons.dm

@@ -726,13 +726,12 @@
 				to_chat(usr, "<span class='warning'>A color that dark on an object like this? Surely not...</span>")
 				return FALSE
 
-			target.add_atom_colour(paint_color, WASHABLE_COLOUR_PRIORITY)
 
 			if(istype(target, /obj/structure/window))
-				if(color_hex2num(paint_color) < 255)
-					target.set_opacity(255)
-				else
-					target.set_opacity(initial(target.opacity))
+				var/obj/structure/window/W = target
+				W.spraycan_paint(paint_color)
+			else
+				target.add_atom_colour(paint_color, WASHABLE_COLOUR_PRIORITY)
 
 		. = use_charges(user, 2)
 		var/fraction = min(1, . / reagents.maximum_volume)

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

@@ -0,0 +1,14 @@
+/obj/item/electronics/electrochromatic_kit
+	name = "electrochromatic kit"
+	desc = "A kit for upgrading a window into an electrochromatic one."
+	/// Electrochromatic ID
+	var/id
+
+/obj/item/electronics/electrochromatic_kit/attack_self(mob/user)
+	. = ..()
+	if(.)
+		return
+	var/new_id = input(user, "Set this kit's electrochromatic ID", "Set ID", id) as text|null
+	if(isnull(new_id))
+		return
+	id = new_id

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

@@ -351,6 +351,12 @@
 	light_color = "#FFAA44"
 	flashlight_power = 0.8
 
+/obj/item/flashlight/lantern/jade
+	name = "jade lantern"
+	desc = "An ornate, green lantern."
+	color = LIGHT_COLOR_GREEN
+	light_color = LIGHT_COLOR_GREEN 
+
 /obj/item/flashlight/slime
 	gender = PLURAL
 	name = "glowing slime extract"

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

@@ -68,10 +68,9 @@
 	update_icon()
 
 /obj/item/multitool/update_icon_state()
+	icon_state = initial(icon_state)
 	if(selected_io)
-		icon_state = "multitool_red"
-	else
-		icon_state = "multitool"
+		icon_state += "_red"
 
 /obj/item/multitool/proc/wire(var/datum/integrated_io/io, mob/user)
 	if(!io.holder.assembly)

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

@@ -8,6 +8,7 @@
 	level = 1
 	var/trigger_mob = TRUE
 	var/trigger_item = FALSE
+	var/specific_item = null
 	var/trigger_silent = FALSE
 	var/sound/trigger_sound = 'sound/effects/pressureplate.ogg'
 	var/obj/item/assembly/signaler/sigdev = null
@@ -35,6 +36,8 @@
 	. = ..()
 	if(!can_trigger || !active)
 		return
+	if(trigger_item && !istype(AM, specific_item))
+		return
 	if(trigger_mob && isliving(AM))
 		var/mob/living/L = AM
 		to_chat(L, "<span class='warning'>You feel something click beneath you!</span>")

code/game/objects/items/kitchen.dm

@@ -3,6 +3,7 @@
  *		Fork
  *		Kitchen knives
  *		Ritual Knife
+ *		Bloodletter
  *		Butcher's cleaver
  *		Combat Knife
  *		Rolling Pins
@@ -97,6 +98,28 @@
 	righthand_file = 'icons/mob/inhands/equipment/kitchen_righthand.dmi'
 	w_class = WEIGHT_CLASS_NORMAL
 
+/obj/item/kitchen/knife/bloodletter
+	name = "bloodletter"
+	desc = "An occult looking dagger that is cold to the touch. Somehow, the flawless orb on the pommel is made entirely of liquid blood."
+	icon = 'icons/obj/ice_moon/artifacts.dmi'
+	icon_state = "bloodletter"
+	w_class = WEIGHT_CLASS_NORMAL 
+	/// Bleed stacks applied when an organic mob target is hit
+	var/bleed_stacks_per_hit = 3
+	
+/obj/item/kitchen/knife/bloodletter/afterattack(atom/target, mob/user, proximity_flag, click_parameters)
+	. = ..()
+	if(!isliving(target) || !proximity_flag)
+		return
+	var/mob/living/M = target
+	if(!(M.mob_biotypes & MOB_ORGANIC))
+		return
+	var/datum/status_effect/stacking/saw_bleed/bloodletting/B = M.has_status_effect(/datum/status_effect/stacking/saw_bleed/bloodletting)
+	if(!B)
+		M.apply_status_effect(/datum/status_effect/stacking/saw_bleed/bloodletting, bleed_stacks_per_hit)
+	else
+		B.add_stacks(bleed_stacks_per_hit)
+
 /obj/item/kitchen/knife/butcher
 	name = "butcher's cleaver"
 	icon_state = "butch"

code/game/objects/items/melee/misc.dm

@@ -648,7 +648,7 @@
 	item_state = "mace_greyscale"
 	lefthand_file = 'icons/mob/inhands/weapons/melee_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/melee_righthand.dmi'
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS //Material type changes the prefix as well as the color.
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS | MATERIAL_EFFECTS //Material type changes the prefix as well as the color.
 	custom_materials = list(/datum/material/iron = 12000)  //Defaults to an Iron Mace.
 	slot_flags = ITEM_SLOT_BELT
 	force = 14

code/game/objects/items/miscellaneous.dm

@@ -123,11 +123,3 @@
 	w_class = WEIGHT_CLASS_BULKY
 	attack_verb = list("skubbed")
 
-/obj/item/supermatterspray
-	name = "supermatter spray"
-	desc = "A spray bottle containing some kind of magical spray to fix the SM. \"Do not inhale.\" is written on the side. Unless aimed at the supermatter, it does nothing."
-	icon = 'icons/obj/supermatter.dmi'
-	icon_state = "supermatterspray"
-	w_class = WEIGHT_CLASS_SMALL
-	var/usesleft = 2
-

code/game/objects/items/paint.dm

@@ -112,7 +112,7 @@
 	. = ..()
 	if(!proximity)
 		return
-	if(!isturf(target) || !isobj(target))
+	if(!isturf(target) && !isobj(target))
 		return
 	if(target.color != initial(target.color))
 		target.remove_atom_colour(WASHABLE_COLOUR_PRIORITY)

code/game/objects/items/puzzle_pieces.dm

@@ -0,0 +1,146 @@
+//**************
+//*****Keys*******************
+//**************		**  **
+/obj/item/keycard
+	name = "security keycard"
+	desc = "This feels like it belongs to a door."
+	icon = 'icons/obj/puzzle_small.dmi'
+	icon_state = "keycard"
+	force = 0
+	throwforce = 0
+	w_class = WEIGHT_CLASS_TINY
+	throw_speed = 1
+	throw_range = 7
+	resistance_flags = INDESTRUCTIBLE | FIRE_PROOF | ACID_PROOF | LAVA_PROOF
+	var/puzzle_id = null
+
+//Two test keys for use alongside the two test doors.
+/obj/item/keycard/cheese
+	name = "cheese keycard"
+	desc = "Look, I still don't understand the reference. What the heck is a keyzza?"
+	color = "#f0da12"
+	puzzle_id = "cheese"
+
+/obj/item/keycard/swordfish
+	name = "titanic keycard"
+	desc = "Smells like it was at the bottom of a harbor."
+	color = "#3bbbdb"
+	puzzle_id = "swordfish"
+
+//***************
+//*****Doors*****
+//***************
+
+/obj/machinery/door/keycard
+	name = "locked door"
+	desc = "This door only opens when a keycard is swiped. It looks virtually indestructable."
+	icon = 'icons/obj/doors/puzzledoor/default.dmi'
+	icon_state = "door_closed"
+	explosion_block = 3
+	heat_proof = TRUE
+	max_integrity = 600
+	armor = list("melee" = 100, "bullet" = 100, "laser" = 100, "energy" = 100, "bomb" = 100, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
+	resistance_flags = INDESTRUCTIBLE | FIRE_PROOF | ACID_PROOF | LAVA_PROOF
+	damage_deflection = 70
+	/// Make sure that the key has the same puzzle_id as the keycard door!
+	var/puzzle_id = null
+	/// Message that occurs when the door is opened
+	var/open_message = "The door beeps, and slides opens."
+
+//Standard Expressions to make keycard doors basically un-cheeseable
+/obj/machinery/door/keycard/Bumped(atom/movable/AM)
+	return !density && ..()
+
+/obj/machinery/door/keycard/emp_act(severity)
+	return
+
+/obj/machinery/door/keycard/ex_act(severity, target)
+	return
+
+/obj/machinery/door/keycard/try_to_activate_door(mob/user)
+	add_fingerprint(user)
+	if(operating)
+		return
+
+/obj/machinery/door/keycard/attackby(obj/item/I, mob/user, params)
+	. = ..()
+	if(istype(I,/obj/item/keycard))
+		var/obj/item/keycard/key = I
+		if((!puzzle_id || puzzle_id == key.puzzle_id)  && density)
+			if(open_message)
+				to_chat(user, "<span class='notice'>[open_message]</span>")
+			open()
+			return
+		else if(puzzle_id != key.puzzle_id)
+			to_chat(user, "<span class='notice'>[src] buzzes. This must not be the right key.</span>")
+			return
+		else
+			to_chat(user, "<span class='notice'>This door doesn't appear to close.</span>")
+			return
+
+//Test doors. Gives admins a few doors to use quickly should they so choose.
+/obj/machinery/door/keycard/cheese
+	name = "blue airlock"
+	desc = "Smells like... pizza?"
+	puzzle_id = "cheese"
+
+/obj/machinery/door/keycard/swordfish
+	name = "blue airlock"
+	desc = "If nautical nonsense be something you wish."
+	puzzle_id = "swordfish"
+
+//*************************
+//***Box Pushing Puzzles***
+//*************************
+//We're working off a subtype of pressureplates, which should work just a BIT better now.
+/obj/structure/holobox
+	name = "holobox"
+	desc = "A hard-light box, containing a secure decryption key."
+	icon = 'icons/obj/puzzle_small.dmi'
+	icon_state = "laserbox"
+	density = TRUE
+	resistance_flags = INDESTRUCTIBLE | FIRE_PROOF | ACID_PROOF | LAVA_PROOF
+
+//Uses the pressure_plate settings for a pretty basic custom pattern that waits for a specific item to trigger. Easy enough to retool for mapping purposes or subtypes.
+/obj/item/pressure_plate/hologrid
+	name = "hologrid"
+	desc = "A high power, electronic input port for a holobox, which can unlock the hologrid's storage compartment. Safe to stand on."
+	icon = 'icons/obj/puzzle_small.dmi'
+	icon_state = "lasergrid"
+	anchored = TRUE
+	trigger_mob = FALSE
+	trigger_item = TRUE
+	specific_item = /obj/structure/holobox
+	removable_signaller = FALSE //Being a pressure plate subtype, this can also use signals.
+	roundstart_signaller_freq = FREQ_HOLOGRID_SOLUTION //Frequency is kept on it's own default channel however.
+	active = TRUE
+	trigger_delay = 10
+	resistance_flags = INDESTRUCTIBLE | FIRE_PROOF | ACID_PROOF | LAVA_PROOF
+	var/reward = /obj/item/reagent_containers/food/snacks/cookie
+	var/claimed = FALSE
+
+/obj/item/pressure_plate/hologrid/examine(mob/user)
+	. = ..()
+	if(claimed)
+		. += "<span class='notice'>This one appears to be spent already.</span>"
+
+/obj/item/pressure_plate/hologrid/trigger()
+	if(!claimed)
+		new reward(loc)
+	flick("lasergrid_a",src)
+	icon_state = "lasergrid_full"
+	claimed = TRUE
+
+/obj/item/pressure_plate/hologrid/Crossed(atom/movable/AM)
+	. = ..()
+	if(trigger_item && istype(AM, specific_item) && !claimed)
+		AM.anchored = TRUE
+		flick("laserbox_burn", AM)
+		trigger()
+		sleep(15)
+		qdel(AM)
+
+// snowflake code until undertile elements
+/obj/item/pressure_plate/hologrid/hide()
+	. = ..()
+	anchored = TRUE

code/game/objects/items/shields.dm

@@ -107,6 +107,8 @@
 	return TRUE
 
 /obj/item/shield/proc/user_shieldbash(mob/living/user, atom/target, harmful)
+	if(!(user.combat_flags & COMBAT_FLAG_COMBAT_ACTIVE)) //Combat mode has to be enabled for shield bashing
+		return FALSE
 	if(!(shield_flags & SHIELD_CAN_BASH))
 		to_chat(user, "<span class='warning'>[src] can't be used to shield bash!</span>")
 		return FALSE

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

@@ -109,7 +109,6 @@ GLOBAL_LIST_INIT(pglass_recipes, list ( \
 	merge_type = /obj/item/stack/sheet/plasmaglass
 	grind_results = list(/datum/reagent/silicon = 20, /datum/reagent/toxin/plasma = 10)
 	tableVariant = /obj/structure/table/plasmaglass
-	material_flags = MATERIAL_NO_EFFECTS
 	shard_type = /obj/item/shard/plasma
 
 /obj/item/stack/sheet/plasmaglass/fifty
@@ -209,7 +208,6 @@ GLOBAL_LIST_INIT(prglass_recipes, list ( \
 	custom_materials = list(/datum/material/plasma=MINERAL_MATERIAL_AMOUNT * 0.5, /datum/material/glass=MINERAL_MATERIAL_AMOUNT, /datum/material/iron=MINERAL_MATERIAL_AMOUNT * 0.5,)
 	armor = list("melee" = 20, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 80, "acid" = 100)
 	resistance_flags = ACID_PROOF
-	material_flags = MATERIAL_NO_EFFECTS
 	merge_type = /obj/item/stack/sheet/plasmarglass
 	grind_results = list(/datum/reagent/silicon = 20, /datum/reagent/toxin/plasma = 10, /datum/reagent/iron = 10)
 	point_value = 23
@@ -259,7 +257,6 @@ GLOBAL_LIST_INIT(plastitaniumglass_recipes, list(
 	item_state = "sheet-plastitaniumglass"
 	custom_materials = list(/datum/material/titanium=MINERAL_MATERIAL_AMOUNT * 0.5, /datum/material/plasma=MINERAL_MATERIAL_AMOUNT * 0.5, /datum/material/glass=MINERAL_MATERIAL_AMOUNT)
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 80, "acid" = 100)
-	material_flags = MATERIAL_NO_EFFECTS
 	resistance_flags = ACID_PROOF
 	merge_type = /obj/item/stack/sheet/plastitaniumglass
 	shard_type = /obj/item/shard

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

@@ -178,6 +178,11 @@ GLOBAL_LIST_INIT(leather_recipes, list ( \
 	icon_state = "sinew"
 	novariants = TRUE
 
+/obj/item/stack/sheet/sinew/wolf
+	name = "wolf sinew"
+	desc = "Long stringy filaments which came from the insides of a wolf."
+	singular_name = "wolf sinew"
+
 
 GLOBAL_LIST_INIT(sinew_recipes, list ( \
 	new/datum/stack_recipe("sinew restraints", /obj/item/restraints/handcuffs/sinew, 1), \
@@ -202,6 +207,11 @@ GLOBAL_LIST_INIT(sinew_recipes, list ( \
 	w_class = WEIGHT_CLASS_NORMAL
 	layer = MOB_LAYER
 
+/obj/item/stack/sheet/animalhide/goliath_hide/polar_bear_hide
+	name = "polar bear hides"
+	desc = "Pieces of a polar bear's fur, these might be able to make your suit a bit more durable to attack from the local fauna."
+	icon_state = "polar_bear_hide"
+	singular_name = "polar bear hide"
 
 /obj/item/stack/sheet/animalhide/ashdrake
 	name = "ash drake hide"

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

@@ -324,7 +324,6 @@ GLOBAL_LIST_INIT(titanium_recipes, list ( \
 	custom_materials = list(/datum/material/titanium=MINERAL_MATERIAL_AMOUNT, /datum/material/plasma=MINERAL_MATERIAL_AMOUNT)
 	point_value = 45
 	merge_type = /obj/item/stack/sheet/mineral/plastitanium
-	material_flags = MATERIAL_NO_EFFECTS
 
 /obj/item/stack/sheet/mineral/plastitanium/fifty
 	amount = 50

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

@@ -215,7 +215,6 @@ GLOBAL_LIST_INIT(plasteel_recipes, list ( \
 	grind_results = list(/datum/reagent/iron = 20, /datum/reagent/toxin/plasma = 20)
 	point_value = 23
 	tableVariant = /obj/structure/table/reinforced
-	material_flags = MATERIAL_NO_EFFECTS
 
 /obj/item/stack/sheet/plasteel/get_main_recipes()
 	. = ..()

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

@@ -78,4 +78,3 @@
 	turf_type = /turf/open/floor/mineral/plastitanium
 	mineralType = "plastitanium"
 	custom_materials = list(/datum/material/titanium=250, /datum/material/plasma=250)
-	material_flags = MATERIAL_NO_EFFECTS

code/game/objects/objs.dm

@@ -315,3 +315,11 @@
 	current_skin = choice
 	icon_state = unique_reskin[choice]
 	to_chat(M, "[src] is now skinned as '[choice]'.")
+
+//Called when the object is constructed by an autolathe
+//Has a reference to the autolathe so you can do !!FUN!! things with hacked lathes
+/obj/proc/autolathe_crafted(obj/machinery/autolathe/A)
+	return
+
+/obj/proc/rnd_crafted(obj/machinery/rnd/production/P)
+	return

code/game/objects/structures/beds_chairs/chair.dm

@@ -153,7 +153,7 @@
 ///Material chair
 /obj/structure/chair/greyscale
 	icon_state = "chair_greyscale"
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS | MATERIAL_EFFECTS
 	item_chair = /obj/item/chair/greyscale
 	buildstacktype = null //Custom mats handle this
 
@@ -382,7 +382,7 @@
 /obj/item/chair/greyscale
 	icon_state = "chair_greyscale_toppled"
 	item_state = "chair_greyscale"
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS | MATERIAL_EFFECTS
 	origin_type = /obj/structure/chair/greyscale
 
 /obj/item/chair/stool

code/game/objects/structures/flora.dm

@@ -350,11 +350,28 @@
 	icon = 'icons/obj/flora/rocks.dmi'
 	resistance_flags = FIRE_PROOF
 	density = TRUE
+	/// Itemstack that is dropped when a rock is mined with a pickaxe
+	var/obj/item/stack/mineResult = /obj/item/stack/ore/glass/basalt
+	/// Amount of the itemstack to drop
+	var/mineAmount = 20
 
 /obj/structure/flora/rock/Initialize()
 	. = ..()
 	icon_state = "[icon_state][rand(1,3)]"
 
+/obj/structure/flora/rock/attackby(obj/item/W, mob/user, params)
+	if(!mineResult || W.tool_behaviour != TOOL_MINING)
+		return ..()
+	if(flags_1 & NODECONSTRUCT_1)
+		return ..()
+	to_chat(user, "<span class='notice'>You start mining...</span>")
+	if(W.use_tool(src, user, 40, volume=50))
+		to_chat(user, "<span class='notice'>You finish mining the rock.</span>")
+		if(mineResult && mineAmount)
+			new mineResult(get_turf(src), mineAmount)
+		SSblackbox.record_feedback("tally", "pick_used_mining", 1, W.type)
+		qdel(src)
+
 /obj/structure/flora/rock/pile
 	icon_state = "lavarocks"
 	desc = "A pile of rocks."

code/game/objects/structures/icemoon/cave_entrance.dm

@@ -0,0 +1,178 @@
+GLOBAL_LIST_INIT(ore_probability, list(/obj/item/stack/ore/uranium = 50,
+						 			   /obj/item/stack/ore/iron = 100,
+						 			   /obj/item/stack/ore/plasma = 75,
+						 			   /obj/item/stack/ore/silver = 50,
+						 			   /obj/item/stack/ore/gold = 50,
+						 			   /obj/item/stack/ore/diamond = 25,
+						 			   /obj/item/stack/ore/bananium = 5,
+						 			   /obj/item/stack/ore/titanium = 75))
+
+/obj/structure/spawner/ice_moon
+	name = "cave entrance"
+	desc = "A hole in the ground, filled with monsters ready to defend it."
+	icon = 'icons/mob/nest.dmi'
+	icon_state = "hole"
+	faction = list("mining")
+	max_mobs = 3
+	max_integrity = 250
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/wolf)
+	move_resist = INFINITY
+	anchored = TRUE
+
+/obj/structure/spawner/ice_moon/Initialize()
+	. = ..()
+	clear_rock()
+
+/**
+  * Clears rocks around the spawner when it is created
+  *
+  */
+/obj/structure/spawner/ice_moon/proc/clear_rock()
+	for(var/turf/F in RANGE_TURFS(2, src))
+		if(abs(src.x - F.x) + abs(src.y - F.y) > 3)
+			continue
+		if(ismineralturf(F))
+			var/turf/closed/mineral/M = F
+			M.ScrapeAway(null, CHANGETURF_IGNORE_AIR)
+
+/obj/structure/spawner/ice_moon/deconstruct(disassembled)
+	destroy_effect()
+	drop_loot()
+	return ..()
+
+/**
+  * Effects and messages created when the spawner is destroyed
+  *
+  */
+/obj/structure/spawner/ice_moon/proc/destroy_effect()
+	playsound(loc,'sound/effects/explosionfar.ogg', 200, TRUE)
+	visible_message("<span class='boldannounce'>[src] collapses, sealing everything inside!</span>\n<span class='warning'>Ores fall out of the cave as it is destroyed!</span>")
+
+/**
+  * Drops items after the spawner is destroyed
+  *
+  */
+/obj/structure/spawner/ice_moon/proc/drop_loot()
+	for(var/type in GLOB.ore_probability)
+		var/chance = GLOB.ore_probability[type]
+		if(!prob(chance))
+			continue
+		new type(loc, rand(5, 10))
+
+/obj/structure/spawner/ice_moon/polarbear
+	max_mobs = 1
+	spawn_time = 60 SECONDS
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/polarbear)
+
+/obj/structure/spawner/ice_moon/polarbear/clear_rock()
+	for(var/turf/F in RANGE_TURFS(1, src))
+		if(ismineralturf(F))
+			var/turf/closed/mineral/M = F
+			M.ScrapeAway(null, CHANGETURF_IGNORE_AIR)
+
+/obj/structure/spawner/ice_moon/demonic_portal
+	name = "demonic portal"
+	desc = "A portal that goes to another world, normal creatures couldn't survive there."
+	icon_state = "nether"
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/ice_demon)
+	light_range = 1
+	light_color = LIGHT_COLOR_RED
+
+/obj/structure/spawner/ice_moon/demonic_portal/clear_rock()
+	for(var/turf/F in RANGE_TURFS(3, src))
+		if(abs(src.x - F.x) + abs(src.y - F.y) > 5)
+			continue
+		if(ismineralturf(F))
+			var/turf/closed/mineral/M = F
+			M.ScrapeAway(null, CHANGETURF_IGNORE_AIR)
+
+/obj/structure/spawner/ice_moon/demonic_portal/destroy_effect()
+	new /obj/effect/collapsing_demonic_portal(loc)
+
+/obj/structure/spawner/ice_moon/demonic_portal/drop_loot()
+	return
+
+/obj/structure/spawner/ice_moon/demonic_portal/ice_whelp
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/ice_whelp)
+
+/obj/structure/spawner/ice_moon/demonic_portal/snowlegion
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/hivelord/legion/snow/tendril)
+
+/obj/effect/collapsing_demonic_portal
+	name = "collapsing demonic portal"
+	desc = "It's slowly fading!"
+	layer = TABLE_LAYER
+	icon = 'icons/mob/nest.dmi'
+	icon_state = "nether"
+	anchored = TRUE
+	density = TRUE
+
+/obj/effect/collapsing_demonic_portal/Initialize()
+	. = ..()
+	playsound(loc,'sound/effects/tendril_destroyed.ogg', 200, FALSE, 50, TRUE, TRUE)
+	visible_message("<span class='boldannounce'>[src] begins to collapse, cutting it off from this world!</span>")
+	animate(src, transform = matrix().Scale(0, 1), alpha = 50, time = 5 SECONDS)
+	addtimer(CALLBACK(src, .proc/collapse), 5 SECONDS)
+
+/obj/effect/collapsing_demonic_portal/proc/collapse()
+	visible_message("<span class='warning'>Something slips out of [src]!</span>")
+	var/loot = rand(1, 28)
+	switch(loot)
+		if(1)
+			new /obj/item/clothing/suit/space/hardsuit/cult(loc)
+		if(2)
+			new /obj/item/clothing/glasses/godeye(loc)
+		if(3)
+			new /obj/item/reagent_containers/glass/bottle/potion/flight(loc)
+		if(4)
+			new /obj/item/organ/heart/cursed/wizard(loc)
+		if(5)
+			new /obj/item/jacobs_ladder(loc)
+		if(6)
+			new /obj/item/rod_of_asclepius(loc)
+		if(7)
+			new /obj/item/warp_cube/red(loc)
+		if(8)
+			new /obj/item/wisp_lantern(loc)
+		if(9)
+			new /obj/item/immortality_talisman(loc)
+		if(10)
+			new /obj/item/book/granter/spell/summonitem(loc)
+		if(11)
+			new /obj/item/clothing/neck/necklace/memento_mori(loc)
+		if(12)
+			new /obj/item/borg/upgrade/modkit/lifesteal(loc)
+			new /obj/item/bedsheet/cult(loc)
+		if(13)
+			new /obj/item/disk/design_disk/modkit_disc/mob_and_turf_aoe(loc)
+		if(14)
+			new /obj/item/disk/design_disk/modkit_disc/bounty(loc)
+		if(15)
+			new /obj/item/ship_in_a_bottle(loc)
+			new /obj/item/oar(loc)
+		if(16)
+			new /obj/item/seeds/gatfruit(loc)
+		if(17)
+			new /obj/item/reagent_containers/food/drinks/drinkingglass/filled/nuka_cola(loc)
+		if(18)
+			new /obj/item/assembly/signaler/anomaly/bluespace(loc)
+		if(19)
+			new /obj/item/disk/design_disk/modkit_disc/resonator_blast(loc)
+		if(20)
+			new /obj/item/disk/design_disk/modkit_disc/rapid_repeater(loc)
+		if(21)
+			new /obj/item/slimepotion/transference(loc)
+		if(22)
+			new /obj/item/slime_extract/adamantine(loc)
+		if(23)
+			new /obj/item/weldingtool/abductor(loc)
+		if(24)
+			new /obj/structure/elite_tumor(loc)
+		if(25)
+			new /mob/living/simple_animal/hostile/retaliate/clown/clownhulk(loc)
+		if(26)
+			new /obj/item/clothing/shoes/winterboots/ice_boots(loc)
+		if(27)
+			new /obj/item/book/granter/spell/sacredflame(loc)
+		if(28)
+			new /mob/living/simple_animal/hostile/megafauna/blood_drunk_miner/doom(loc)

code/game/objects/structures/lavaland/geyser.dm

@@ -0,0 +1,86 @@
+//If you look at the "geyser_soup" overlay icon_state, you'll see that the first frame has 25 ticks.
+//That's because the first 18~ ticks are completely skipped for some ungodly weird fucking byond reason
+
+/obj/structure/geyser
+	name = "geyser"
+	icon = 'icons/obj/lavaland/terrain.dmi'
+	icon_state = "geyser"
+	anchored = TRUE
+
+	var/erupting_state = null //set to null to get it greyscaled from "[icon_state]_soup". Not very usable with the whole random thing, but more types can be added if you change the spawn prob
+	var/activated = FALSE //whether we are active and generating chems
+	var/reagent_id = /datum/reagent/fuel/oil
+	var/potency = 2 //how much reagents we add every process (2 seconds)
+	var/max_volume = 500
+	var/start_volume = 50
+
+/obj/structure/geyser/proc/start_chemming()
+	activated = TRUE
+	create_reagents(max_volume, DRAINABLE)
+	reagents.add_reagent(reagent_id, start_volume)
+	START_PROCESSING(SSfluids, src) //It's main function is to be plumbed, so use SSfluids
+	if(erupting_state)
+		icon_state = erupting_state
+	else
+		var/mutable_appearance/I = mutable_appearance('icons/obj/lavaland/terrain.dmi', "[icon_state]_soup")
+		I.color = mix_color_from_reagents(reagents.reagent_list)
+		add_overlay(I)
+
+/obj/structure/geyser/process()
+	if(activated && reagents.total_volume <= reagents.maximum_volume) //this is also evaluated in add_reagent, but from my understanding proc calls are expensive
+		reagents.add_reagent(reagent_id, potency)
+
+/obj/structure/geyser/plunger_act(obj/item/plunger/P, mob/living/user, _reinforced)
+	if(!_reinforced)
+		to_chat(user, "<span class='warning'>The [P.name] isn't strong enough!</span>")
+		return
+	if(activated)
+		to_chat(user, "<span class'warning'>The [name] is already active!</span>")
+		return
+
+	to_chat(user, "<span class='notice'>You start vigorously plunging [src]!</span>")
+	if(do_after(user, 50 * P.plunge_mod, target = src) && !activated)
+		start_chemming()
+
+/obj/structure/geyser/random
+	erupting_state = null
+	var/list/options = list(/datum/reagent/clf3 = 10, /datum/reagent/water/hollowwater = 10, /datum/reagent/medicine/omnizine/protozine = 6, /datum/reagent/wittel = 1)
+
+/obj/structure/geyser/random/Initialize()
+	. = ..()
+	reagent_id = pickweight(options)
+
+/obj/item/plunger
+	name = "plunger"
+	desc = "It's a plunger for plunging."
+	icon = 'icons/obj/watercloset.dmi'
+	icon_state = "plunger"
+
+	slot_flags = ITEM_SLOT_MASK
+
+	var/plunge_mod = 1 //time*plunge_mod = total time we take to plunge an object
+	var/reinforced = FALSE //whether we do heavy duty stuff like geysers
+
+/obj/item/plunger/attack_obj(obj/O, mob/living/user)
+	if(!O.plunger_act(src, user, reinforced))
+		return ..()
+
+/obj/item/plunger/throw_impact(atom/hit_atom, datum/thrownthing/tt)
+	. = ..()
+	if(tt.target_zone != BODY_ZONE_HEAD)
+		return
+	if(iscarbon(hit_atom))
+		var/mob/living/carbon/H = hit_atom
+		if(!H.wear_mask)
+			H.equip_to_slot_if_possible(src, ITEM_SLOT_MASK)
+			H.visible_message("<span class='warning'>The plunger slams into [H]'s face!</span>", "<span class='warning'>The plunger suctions to your face!</span>")
+
+/obj/item/plunger/reinforced
+	name = "reinforced plunger"
+	desc = "It's an M. 7 Reinforced Plunger© for heavy duty plunging."
+	icon_state = "reinforced_plunger"
+
+	reinforced = TRUE
+	plunge_mod = 0.8
+
+	custom_premium_price = 1200

code/game/objects/structures/lavaland/necropolis_tendril.dm

@@ -25,6 +25,9 @@
 /obj/structure/spawner/lavaland/legion
 	mob_types = list(/mob/living/simple_animal/hostile/asteroid/hivelord/legion/tendril)
 
+/obj/structure/spawner/lavaland/icewatcher
+	mob_types = list(/mob/living/simple_animal/hostile/asteroid/basilisk/watcher/icewing)
+
 GLOBAL_LIST_INIT(tendrils, list())
 /obj/structure/spawner/lavaland/Initialize()
 	. = ..()
@@ -94,4 +97,4 @@ GLOBAL_LIST_INIT(tendrils, list())
 	for(var/turf/T in range(2,src))
 		if(!T.density)
 			T.TerraformTurf(/turf/open/chasm/lavaland, /turf/open/chasm/lavaland, flags = CHANGETURF_INHERIT_AIR)
-	qdel(src)
+	qdel(src)

code/game/objects/structures/loom.dm

@@ -38,7 +38,4 @@
 			user.show_message("<span class='notice'>You weave \the [S.name] into a workable fabric.</span>", MSG_VISUAL)
 	return TRUE
 
-/obj/structure/loom/unanchored
-	anchored = FALSE
-
 #undef FABRIC_PER_SHEET

code/game/objects/structures/loot_pile.dm

@@ -0,0 +1,66 @@
+ /*
+  * Loot piles structures, somewhat inspired from Polaris 13 ones but without the one search per pile ckey/mind restriction
+  * because the actual code is located its own element and has enough variables already. the piles themselves merely cosmetical.
+  */
+/obj/structure/loot_pile
+	name = "pile of junk"
+	desc = "Lots of junk lying around. They say one man's trash is another man's treasure."
+	icon = 'icons/obj/loot_piles.dmi'
+	icon_state = "randompile"
+	density = FALSE
+	anchored = TRUE
+	var/loot_amount = 5
+	var/delete_on_depletion = FALSE
+	var/can_use_hands = TRUE
+	var/scavenge_time = 12 SECONDS
+	var/allowed_tools = list(TOOL_SHOVEL = 0.6) //list of tool_behaviours with associated speed multipliers (lower is better)
+	var/icon_states_to_use = list("junk_pile1", "junk_pile2", "junk_pile3", "junk_pile4", "junk_pile5")
+	var/list/loot
+
+ /*
+  * Associated values in this list are not weights but numbers of times the kery can be rolled
+  * before being removed from ALL piles with same kind. This is why I wanted 'scavenging' to be an element and not a component.
+  */
+	var/list/unique_loot
+
+ /*
+  * used for restrictions such as "one per mind", "one per ckey". Depending on the setting, these can be either limited to
+  * the current pile or shared throughout all atoms attached to this element.
+  */
+	var/loot_restriction = NO_LOOT_RESTRICTION
+	var/maximum_loot_per_player = 1
+
+/obj/structure/loot_pile/Initialize()
+	. = ..()
+	icon_state = pick(icon_states_to_use)
+
+/obj/structure/loot_pile/ComponentInitialize()
+	. = ..()
+	if(loot)
+		AddElement(/datum/element/scavenging, loot_amount, loot, unique_loot, scavenge_time, can_use_hands, allowed_tools, null, delete_on_depletion, loot_restriction, maximum_loot_per_player)
+
+//uses the maintenance_loot global list, mostly boring stuff and mices.
+/obj/structure/loot_pile/maint
+	name = "trash pile"
+	desc = "A heap of garbage, but maybe there's something interesting inside?"
+	density = TRUE
+	layer = TABLE_LAYER
+	climbable = TRUE
+	pass_flags = LETPASSTHROW
+	loot = list(
+		SCAVENGING_FOUND_NOTHING = 50,
+		SCAVENGING_SPAWN_MOUSE = 10,
+		SCAVENGING_SPAWN_MICE = 5,
+		SCAVENGING_SPAWN_TOM = 1,
+		/obj/item/clothing/gloves/color/yellow = 0.5)
+	unique_loot = list(/obj/item/clothing/gloves/color/yellow = 5, SCAVENGING_SPAWN_TOM = 1)
+
+/obj/structure/loot_pile/maint/ComponentInitialize()
+	var/static/safe_maint_items
+	if(!safe_maint_items)
+		safe_maint_items = list()
+		for(var/A in GLOB.maintenance_loot)
+			if(ispath(A, /obj/item))
+				safe_maint_items[A] = GLOB.maintenance_loot[A]
+	loot += safe_maint_items
+	return ..()

code/game/objects/structures/tables_racks.dm

@@ -211,7 +211,7 @@
 /obj/structure/table/greyscale
 	icon = 'icons/obj/smooth_structures/table_greyscale.dmi'
 	icon_state = "table"
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS | MATERIAL_EFFECTS
 	buildstack = null //No buildstack, so generate from mat datums
 
 /*

code/game/objects/structures/window.dm

@@ -1,3 +1,18 @@
+#define NOT_ELECTROCHROMATIC		0
+#define ELECTROCHROMATIC_OFF		1
+#define ELECTROCHROMATIC_DIMMED		2
+
+GLOBAL_LIST_EMPTY(electrochromatic_window_lookup)
+
+/proc/do_electrochromatic_toggle(new_status, id)
+	var/list/windows = GLOB.electrochromatic_window_lookup["[id]"]
+	if(!windows)
+		return
+	var/obj/structure/window/W		//define outside for performance because obviously this matters.
+	for(var/i in windows)
+		W = i
+		new_status? W.electrochromatic_dim() : W.electrochromatic_off()
+
 /obj/structure/window
 	name = "window"
 	desc = "A window."
@@ -28,8 +43,15 @@
 	rad_insulation = RAD_VERY_LIGHT_INSULATION
 	rad_flags = RAD_PROTECT_CONTENTS
 
+	/// Electrochromatic status
+	var/electrochromatic_status = NOT_ELECTROCHROMATIC
+	/// Electrochromatic ID. Set the first character to ! to replace with a SSmapping generated pseudorandom obfuscated ID for mapping purposes.
+	var/electrochromatic_id
+
 /obj/structure/window/examine(mob/user)
 	. = ..()
+	if(electrochromatic_status != NOT_ELECTROCHROMATIC)
+		. += "<span class='notice'>The window has electrochromatic circuitry on it.</span>"
 	if(reinf)
 		if(anchored && state == WINDOW_SCREWED_TO_FRAME)
 			. += "<span class='notice'>The window is <b>screwed</b> to the frame.</span>"
@@ -52,6 +74,10 @@
 	if(reinf && anchored)
 		state = WINDOW_SCREWED_TO_FRAME
 
+	if(mapload && electrochromatic_id)
+		if(copytext(electrochromatic_id, 1, 2) == "!")
+			electrochromatic_id = SSmapping.get_obfuscated_id(electrochromatic_id)
+
 	ini_dir = dir
 	air_update_turf(1)
 
@@ -62,6 +88,12 @@
 	real_explosion_block = explosion_block
 	explosion_block = EXPLOSION_BLOCK_PROC
 
+	if(electrochromatic_status != NOT_ELECTROCHROMATIC)
+		var/old = electrochromatic_status
+		make_electrochromatic()
+		if(old == ELECTROCHROMATIC_DIMMED)
+			electrochromatic_dim()
+
 /obj/structure/window/ComponentInitialize()
 	. = ..()
 	AddComponent(/datum/component/simple_rotation,ROTATION_ALTCLICK | ROTATION_CLOCKWISE | ROTATION_COUNTERCLOCKWISE | ROTATION_VERBS ,null,CALLBACK(src, .proc/can_be_rotated),CALLBACK(src,.proc/after_rotation))
@@ -177,6 +209,24 @@
 			to_chat(user, "<span class='warning'>[src] is already in good condition!</span>")
 		return
 
+	if(istype(I, /obj/item/electronics/electrochromatic_kit) && user.a_intent == INTENT_HELP)
+		var/obj/item/electronics/electrochromatic_kit/K = I
+		if(electrochromatic_status != NOT_ELECTROCHROMATIC)
+			to_chat(user, "<span class='warning'>[src] is already electrochromatic!</span>")
+			return
+		if(anchored)
+			to_chat(user, "<span class='warning'>[src] must not be attached to the floor!</span>")
+			return
+		if(!K.id)
+			to_chat(user, "<span class='warning'>[K] has no ID set!</span>")
+			return
+		if(!user.temporarilyRemoveItemFromInventory(K))
+			to_chat(user, "<span class='warning'>[K] is stuck to your hand!</span>")
+			return
+		user.visible_message("<span class='notice'>[user] upgrades [src] with [I].</span>", "<span class='notice'>You upgrade [src] with [I].</span>")
+		make_electrochromatic(K.id)
+		qdel(K)
+
 	if(!(flags_1&NODECONSTRUCT_1))
 		if(istype(I, /obj/item/screwdriver))
 			I.play_tool_sound(src, 75)
@@ -224,6 +274,91 @@
 	air_update_turf(TRUE)
 	update_nearby_icons()
 
+/obj/structure/window/proc/spraycan_paint(paint_color)
+	if(color_hex2num(paint_color) < 255)
+		set_opacity(255)
+	else
+		set_opacity(initial(opacity))
+	add_atom_colour(paint_color, WASHABLE_COLOUR_PRIORITY)
+
+/obj/structure/window/proc/electrochromatic_dim()
+	if(electrochromatic_status == ELECTROCHROMATIC_DIMMED)
+		return
+	electrochromatic_status = ELECTROCHROMATIC_DIMMED
+	animate(src, color = "#222222", time = 2)
+	set_opacity(TRUE)
+
+/obj/structure/window/proc/electrochromatic_off()
+	if(electrochromatic_status == ELECTROCHROMATIC_OFF)
+		return
+	electrochromatic_status = ELECTROCHROMATIC_OFF
+	var/current = color
+	update_atom_colour()
+	var/newcolor = color
+	color = current
+	animate(src, color = newcolor, time = 2)
+
+/obj/structure/window/proc/remove_electrochromatic()
+	electrochromatic_off()
+	electrochromatic_status = NOT_ELECTROCHROMATIC
+	if(!electrochromatic_id)
+		return
+	var/list/L = GLOB.electrochromatic_window_lookup["[electrochromatic_id]"]
+	if(L)
+		L -= src
+	electrochromatic_id = null
+
+/obj/structure/window/vv_edit_var(var_name, var_value)
+	var/check_status
+	if(var_name == NAMEOF(src, electrochromatic_id))
+		if(electrochromatic_id && GLOB.electrochromatic_window_lookup["[electrochromatic_id]"])
+			GLOB.electrochromatic_window_lookup[electrochromatic_id] -= src
+	if(var_name == NAMEOF(src, electrochromatic_status))
+		check_status = TRUE
+	. = ..()		//do this first incase it runtimes.
+	if(var_name == NAMEOF(src, electrochromatic_id))
+		if((electrochromatic_status != NOT_ELECTROCHROMATIC) && electrochromatic_id)
+			LAZYINITLIST(GLOB.electrochromatic_window_lookup[electrochromatic_id])
+			GLOB.electrochromatic_window_lookup[electrochromatic_id] += src
+	if(check_status)
+		if(electrochromatic_status == NOT_ELECTROCHROMATIC)
+			remove_electrochromatic()
+			return
+		else if(electrochromatic_status == ELECTROCHROMATIC_OFF)
+			if(!electrochromatic_id)
+				return
+			else
+				make_electrochromatic()
+			electrochromatic_off()
+			return
+		else if(electrochromatic_status == ELECTROCHROMATIC_DIMMED)
+			if(!electrochromatic_id)
+				return
+			else
+				make_electrochromatic()
+			electrochromatic_dim()
+			return
+		else
+			remove_electrochromatic()
+
+/obj/structure/window/proc/make_electrochromatic(new_id = electrochromatic_id)
+	remove_electrochromatic()
+	if(!new_id)
+		CRASH("Attempted to make electrochromatic with null ID.")
+	electrochromatic_id = new_id
+	electrochromatic_status = ELECTROCHROMATIC_OFF
+	LAZYINITLIST(GLOB.electrochromatic_window_lookup["[electrochromatic_id]"])
+	GLOB.electrochromatic_window_lookup[electrochromatic_id] |= src
+
+/obj/structure/window/update_atom_colour()
+	if((electrochromatic_status != ELECTROCHROMATIC_OFF) && (electrochromatic_status != ELECTROCHROMATIC_DIMMED))
+		return FALSE
+	. = ..()
+	if(color && (color_hex2num(color) < 255))
+		set_opacity(255)
+	else
+		set_opacity(FALSE)
+
 /obj/structure/window/proc/check_state(checked_state)
 	if(state == checked_state)
 		return TRUE
@@ -263,7 +398,6 @@
 		if(BURN)
 			playsound(src, 'sound/items/Welder.ogg', 100, 1)
 
-
 /obj/structure/window/deconstruct(disassembled = TRUE)
 	if(QDELETED(src))
 		return
@@ -272,6 +406,9 @@
 		if(!(flags_1 & NODECONSTRUCT_1))
 			for(var/obj/item/shard/debris in spawnDebris(drop_location()))
 				transfer_fingerprints_to(debris) // transfer fingerprints to shards only
+	if(electrochromatic_status != NOT_ELECTROCHROMATIC)		//eh fine keep your kit.
+		new /obj/item/electronics/electrochromatic_kit(drop_location())
+		// Intentionally not setting the ID so you can't decon one to know all of the IDs.
 	qdel(src)
 	update_nearby_icons()
 
@@ -315,9 +452,9 @@
 	density = FALSE
 	air_update_turf(1)
 	update_nearby_icons()
+	remove_electrochromatic()
 	return ..()
 
-
 /obj/structure/window/Move()
 	var/turf/T = loc
 	. = ..()
@@ -731,7 +868,6 @@
 		set_opacity(TRUE)
 	queue_smooth(src)
 
-
 /obj/structure/window/paperframe/attackby(obj/item/W, mob/user)
 	if(W.get_temperature())
 		fire_act(W.get_temperature())
@@ -749,3 +885,7 @@
 			return
 	..()
 	update_icon()
+
+#undef NOT_ELECTROCHROMATIC
+#undef ELECTROCHROMATIC_OFF
+#undef ELECTROCHROMATIC_DIMMED

code/game/say.dm

@@ -96,21 +96,26 @@ GLOBAL_LIST_INIT(freqtospan, list(
 	return "[say_mod(input, message_mode)][spanned ? ", \"[spanned]\"" : ""]"
 	// Citadel edit [spanned ? ", \"[spanned]\"" : ""]"
 
-/atom/movable/proc/lang_treat(atom/movable/speaker, datum/language/language, raw_message, list/spans, message_mode)
+/// Quirky citadel proc for our custom sayverbs to strip the verb out. Snowflakey as hell, say rewrite 3.0 when?
+/atom/movable/proc/quoteless_say_quote(input, list/spans = list(speech_span), message_mode)
+	var/pos = findtext(input, "*")
+	return pos? copytext(input, pos + 1) : input
+
+/atom/movable/proc/lang_treat(atom/movable/speaker, datum/language/language, raw_message, list/spans, message_mode, no_quote = FALSE)
 	if(has_language(language))
 		var/atom/movable/AM = speaker.GetSource()
 		if(AM) //Basically means "if the speaker is virtual"
-			return AM.say_quote(raw_message, spans, message_mode)
+			return no_quote ? AM.quoteless_say_quote(raw_message, spans, message_mode) : AM.say_quote(raw_message, spans, message_mode)
 		else
-			return speaker.say_quote(raw_message, spans, message_mode)
+			return no_quote ? speaker.quoteless_say_quote(raw_message, spans, message_mode) : speaker.say_quote(raw_message, spans, message_mode)
 	else if(language)
 		var/atom/movable/AM = speaker.GetSource()
 		var/datum/language/D = GLOB.language_datum_instances[language]
 		raw_message = D.scramble(raw_message)
 		if(AM)
-			return AM.say_quote(raw_message, spans, message_mode)
+			return no_quote ? AM.quoteless_say_quote(raw_message, spans, message_mode) : AM.say_quote(raw_message, spans, message_mode)
 		else
-			return speaker.say_quote(raw_message, spans, message_mode)
+			return no_quote ? speaker.quoteless_say_quote(raw_message, spans, message_mode) : speaker.say_quote(raw_message, spans, message_mode)
 	else
 		return "makes a strange sound."
 

code/game/turfs/closed.dm

@@ -134,6 +134,15 @@
 	icon = 'icons/turf/walls.dmi'
 	icon_state = "icerock"
 
+/turf/closed/indestructible/rock/snow/ice/ore
+	icon = 'icons/turf/walls/icerock_wall.dmi'
+	icon_state = "icerock"
+	smooth = SMOOTH_MORE|SMOOTH_BORDER
+	canSmoothWith = list (/turf/closed)
+	pixel_x = -4
+	pixel_y = -4
+
+
 /turf/closed/indestructible/paper
 	name = "thick paper wall"
 	desc = "A wall layered with impenetrable sheets of paper."

code/game/turfs/open.dm

@@ -110,6 +110,9 @@
 	if(prob(12))
 		icon_state = "necro[rand(2,3)]"
 
+/turf/open/indestructible/necropolis/ice
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 /turf/open/indestructible/necropolis/air
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 

code/game/turfs/openspace/openspace.dm

@@ -146,3 +146,13 @@ GLOBAL_DATUM_INIT(openspace_backdrop_one_for_all, /atom/movable/openspace_backdr
 			PlaceOnTop(/turf/open/floor/plating, flags = CHANGETURF_INHERIT_AIR)
 			return TRUE
 	return FALSE
+
+/turf/open/openspace/icemoon
+	name = "ice chasm"
+	baseturfs = /turf/open/openspace/icemoon
+	can_cover_up = FALSE
+	can_build_on = FALSE
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
+/turf/open/openspace/icemoon/can_zFall(atom/movable/A, levels = 1, turf/target)
+	return TRUE

code/game/turfs/simulated/chasm.dm

@@ -88,6 +88,15 @@
 	light_power = 0.65 //less bright, too
 	light_color = LIGHT_COLOR_LAVA //let's just say you're falling into lava, that makes sense right
 
+// Chasms for Ice moon, with planetary atmos and glow
+/turf/open/chasm/icemoon
+	icon = 'icons/turf/floors/icechasms.dmi'
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+	planetary_atmos = TRUE
+	baseturfs = /turf/open/chasm/icemoon
+	light_range = 1.9
+	light_power = 0.65
+	light_color = LIGHT_COLOR_PURPLE
 
 // Chasms for the jungle, with planetary atmos and a different icon
 /turf/open/chasm/jungle
@@ -115,4 +124,4 @@
 	. = ..()
 	var/turf/T = safepick(get_area_turfs(/area/fabric_of_reality))
 	if(T)
-		set_target(T)
+		set_target(T)

code/game/turfs/simulated/floor.dm

@@ -48,7 +48,9 @@
 					"oldburning","light-on-r","light-on-y","light-on-g","light-on-b", "wood", "carpetsymbol", "carpetstar",
 					"carpetcorner", "carpetside", "carpet", "ironsand1", "ironsand2", "ironsand3", "ironsand4", "ironsand5",
 					"ironsand6", "ironsand7", "ironsand8", "ironsand9", "ironsand10", "ironsand11",
-					"ironsand12", "ironsand13", "ironsand14", "ironsand15")
+					"ironsand12", "ironsand13", "ironsand14", "ironsand15",
+					"snow", "snow0", "snow1", "snow2", "snow3", "snow4", "snow5", "snow6", "snow7", "snow8", "snow9", "snow10", "snow11", "snow12", "snow-ice", "snow_dug",
+					"unsmooth", "smooth", "1-i", "2-i", "3-i", "4-i", "1-n", "2-n", "3-s", "4-s", "1-w", "2-e", "3-w", "4-e", "1-nw", "2-ne", "3-sw", "4-se", "1-f", "2-f", "3-f", "4-f")
 	if(broken || burnt || (icon_state in icons_to_ignore_at_floor_init)) //so damaged/burned tiles or plating icons aren't saved as the default
 		icon_regular_floor = "floor"
 	else

code/game/turfs/simulated/floor/plating/asteroid.dm

@@ -13,11 +13,15 @@
 	barefootstep = FOOTSTEP_SAND
 	clawfootstep = FOOTSTEP_SAND
 	heavyfootstep = FOOTSTEP_GENERIC_HEAVY
+	/// Environment type for the turf
 	var/environment_type = "asteroid"
+	/// Base turf type to be created by the tunnel
 	var/turf_type = /turf/open/floor/plating/asteroid //Because caves do whacky shit to revert to normal
-	var/floor_variance = 20 //probability floor has a different icon state
+	/// Probability the floor has a different icon state
+	var/floor_variance = 20
 	attachment_holes = FALSE
 	var/obj/item/stack/digResult = /obj/item/stack/ore/glass/basalt
+	/// Whether the turf has been dug or not
 	var/dug
 
 /turf/open/floor/plating/asteroid/Initialize()
@@ -27,6 +31,7 @@
 	if(prob(floor_variance))
 		icon_state = "[environment_type][rand(0,12)]"
 
+/// Drops itemstack when dug and changes icon
 /turf/open/floor/plating/asteroid/proc/getDug()
 	new digResult(src, 5)
 	if(postdig_icon_change)
@@ -35,6 +40,7 @@
 			icon_state = "[environment_type]_dug"
 	dug = TRUE
 
+/// If the user can dig the turf
 /turf/open/floor/plating/asteroid/proc/can_dig(mob/user)
 	if(!dug)
 		return TRUE
@@ -135,16 +141,30 @@
 #define SPAWN_BUBBLEGUM 6
 
 /turf/open/floor/plating/asteroid/airless/cave
+	/// Length of the tunnel
 	var/length = 100
+	/// Mobs that can spawn in the tunnel, weighted list
 	var/list/mob_spawn_list
+	/// Megafauna that can spawn in the tunnel, weighted list
 	var/list/megafauna_spawn_list
+	/// Flora that can spawn in the tunnel, weighted list
 	var/list/flora_spawn_list
+	/// Turf type to choose when spawning in tunnel at 1% chance, weighted list
+	var/list/choose_turf_type
+	/// if the tunnel should keep being created
 	var/sanity = 1
+	/// Cave direction to move
 	var/forward_cave_dir = 1
+	/// Backwards cave direction for tracking
 	var/backward_cave_dir = 2
+	/// If the tunnel is moving backwards
 	var/going_backwards = TRUE
+	/// If this is a cave creating type
 	var/has_data = FALSE
+	/// The non-cave creating type
 	var/data_having_type = /turf/open/floor/plating/asteroid/airless/cave/has_data
+	/// Option tunnel width, wegihted list
+	var/list/pick_tunnel_width
 	turf_type = /turf/open/floor/plating/asteroid/airless
 
 /turf/open/floor/plating/asteroid/airless/cave/has_data //subtype for producing a tunnel with given data
@@ -163,6 +183,47 @@
 /turf/open/floor/plating/asteroid/airless/cave/volcanic/has_data //subtype for producing a tunnel with given data
 	has_data = TRUE
 
+/turf/open/floor/plating/asteroid/airless/cave/snow
+	gender = PLURAL
+	name = "snow"
+	desc = "Looks cold."
+	icon = 'icons/turf/snow.dmi'
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	icon_state = "snow"
+	icon_plating = "snow"
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+	slowdown = 2
+	environment_type = "snow"
+	flags_1 = NONE
+	planetary_atmos = TRUE
+	burnt_states = list("snow_dug")
+	bullet_sizzle = TRUE
+	bullet_bounce_sound = null
+	digResult = /obj/item/stack/sheet/mineral/snow
+	mob_spawn_list = list(/mob/living/simple_animal/hostile/asteroid/wolf = 50, /obj/structure/spawner/ice_moon = 3, \
+						  /mob/living/simple_animal/hostile/asteroid/polarbear = 30, /obj/structure/spawner/ice_moon/polarbear = 3, \
+						  /mob/living/simple_animal/hostile/asteroid/hivelord/legion/snow = 50, /mob/living/simple_animal/hostile/asteroid/goldgrub = 10)
+
+	flora_spawn_list = list(/obj/structure/flora/tree/pine = 2, /obj/structure/flora/grass/both = 12)
+	data_having_type = /turf/open/floor/plating/asteroid/airless/cave/snow/has_data
+	turf_type = /turf/open/floor/plating/asteroid/snow/icemoon
+	choose_turf_type = list(/turf/open/floor/plating/asteroid/snow/icemoon = 19, /turf/open/floor/plating/ice/icemoon = 1)
+	pick_tunnel_width = list("1" = 6, "2" = 1)
+
+/turf/open/floor/plating/asteroid/airless/cave/snow/underground
+	mob_spawn_list = list(/mob/living/simple_animal/hostile/asteroid/ice_demon = 50, /obj/structure/spawner/ice_moon/demonic_portal = 3, \
+						  /mob/living/simple_animal/hostile/asteroid/ice_whelp = 30, /obj/structure/spawner/ice_moon/demonic_portal/ice_whelp = 3, \
+						  /mob/living/simple_animal/hostile/asteroid/hivelord/legion/snow = 50, /obj/structure/spawner/ice_moon/demonic_portal/snowlegion = 3)
+	flora_spawn_list = list(/obj/structure/flora/rock/icy = 6, /obj/structure/flora/rock/pile/icy = 6)
+	data_having_type = /turf/open/floor/plating/asteroid/airless/cave/snow/underground/has_data
+	choose_turf_type = null
+
+/turf/open/floor/plating/asteroid/airless/cave/snow/has_data //subtype for producing a tunnel with given data
+	has_data = TRUE
+
+/turf/open/floor/plating/asteroid/airless/cave/snow/underground/has_data //subtype for producing a tunnel with given data
+	has_data = TRUE
+
 /turf/open/floor/plating/asteroid/airless/cave/Initialize()
 	if (!mob_spawn_list)
 		mob_spawn_list = list(/mob/living/simple_animal/hostile/asteroid/goldgrub = 1, /mob/living/simple_animal/hostile/asteroid/goliath = 5, /mob/living/simple_animal/hostile/asteroid/basilisk = 4, /mob/living/simple_animal/hostile/asteroid/hivelord = 3)
@@ -175,6 +236,7 @@
 	if(!has_data)
 		produce_tunnel_from_data()
 
+/// Sets the tunnel length and direction
 /turf/open/floor/plating/asteroid/airless/cave/proc/get_cave_data(set_length, exclude_dir = -1)
 	// If set_length (arg1) isn't defined, get a random length; otherwise assign our length to the length arg.
 	if(!set_length)
@@ -187,6 +249,7 @@
 	// Get the opposite direction of our facing direction
 	backward_cave_dir = angle2dir(dir2angle(forward_cave_dir) + 180)
 
+/// Gets the tunnel length and direction then makes the tunnel
 /turf/open/floor/plating/asteroid/airless/cave/proc/produce_tunnel_from_data(tunnel_length, excluded_dir = -1)
 	get_cave_data(tunnel_length, excluded_dir)
 	// Make our tunnels
@@ -196,10 +259,22 @@
 	// Kill ourselves by replacing ourselves with a normal floor.
 	SpawnFloor(src)
 
+/**
+  * Makes the tunnel and spawns things inside of it
+  *
+  * Picks a tunnel width for the tunnel and then starts spawning turfs in the direction it moves in
+  * Can randomly change directions of the tunnel, stops if it hits the edge of the map, or a no tunnel area
+  * Can randomly make new tunnels out of itself
+  *
+  */
 /turf/open/floor/plating/asteroid/airless/cave/proc/make_tunnel(dir)
 	var/turf/closed/mineral/tunnel = src
 	var/next_angle = pick(45, -45)
 
+	var/tunnel_width = 1
+	if(pick_tunnel_width)
+		tunnel_width = text2num(pickweight(pick_tunnel_width))
+
 	for(var/i = 0; i < length; i++)
 		if(!sanity)
 			break
@@ -210,9 +285,11 @@
 
 		// Expand the edges of our tunnel
 		for(var/edge_angle in L)
-			var/turf/closed/mineral/edge = get_step(tunnel, angle2dir(dir2angle(dir) + edge_angle))
-			if(istype(edge))
-				SpawnFloor(edge)
+			var/turf/closed/mineral/edge = tunnel
+			for(var/current_tunnel_width = 1 to tunnel_width)
+				edge = get_step(edge, angle2dir(dir2angle(dir) + edge_angle))
+				if(istype(edge))
+					SpawnFloor(edge)
 
 		if(!sanity)
 			break
@@ -223,9 +300,12 @@
 		if(istype(tunnel))
 			// Small chance to have forks in our tunnel; otherwise dig our tunnel.
 			if(i > 3 && prob(20))
-				if(istype(tunnel.loc, /area/mine/explored) || (istype(tunnel.loc, /area/lavaland/surface/outdoors) && !istype(tunnel.loc, /area/lavaland/surface/outdoors/unexplored)))
-					sanity = 0
-					break
+				if(isarea(tunnel.loc))
+
+					var/area/A = tunnel.loc
+					if(!A.tunnel_allowed)
+						sanity = 0
+						break
 				var/turf/open/floor/plating/asteroid/airless/cave/C = tunnel.ChangeTurf(data_having_type, null, CHANGETURF_IGNORE_AIR)
 				C.going_backwards = FALSE
 				C.produce_tunnel_from_data(rand(10, 15), dir)
@@ -241,26 +321,35 @@
 			setDir(angle2dir(dir2angle(dir) )+ next_angle)
 
 
+/// Spawns the floor of the tunnel and any type of structure or mob it can have
 /turf/open/floor/plating/asteroid/airless/cave/proc/SpawnFloor(turf/T)
-	for(var/S in RANGE_TURFS(1, src))
-		var/turf/NT = S
-		if(!NT || isspaceturf(NT) || istype(NT.loc, /area/mine/explored) || (istype(NT.loc, /area/lavaland/surface/outdoors) && !istype(NT.loc, /area/lavaland/surface/outdoors/unexplored)))
-			sanity = 0
-			break
-	if(!sanity)
+	var/area/A = T.loc
+	if(!A.tunnel_allowed)
+		sanity = 0
 		return
-	SpawnFlora(T)
-
-	SpawnMonster(T)
+	if(choose_turf_type)
+		turf_type = pickweight(choose_turf_type)
+	if(turf_type == initial(turf_type)) // Don't spawn different turf types under flora or terrain
+		var/spawned_flora = FALSE
+		if(is_mining_level(z))
+			spawned_flora = SpawnFlora(T)
+		if(!spawned_flora) // no rocks beneath mob spawners / mobs.
+			SpawnMonster(T)
 	T.ChangeTurf(turf_type, null, CHANGETURF_IGNORE_AIR)
 
+/// Spawns a random mob or megafauna in the tunnel
 /turf/open/floor/plating/asteroid/airless/cave/proc/SpawnMonster(turf/T)
+	if(!isarea(loc))
+		return
+	var/area/A = loc
 	if(prob(30))
-		if(istype(loc, /area/mine/explored) || !istype(loc, /area/lavaland/surface/outdoors/unexplored))
+		if(!A.mob_spawn_allowed)
 			return
 		var/randumb = pickweight(mob_spawn_list)
+		if(!randumb)
+			return
 		while(randumb == SPAWN_MEGAFAUNA)
-			if(istype(loc, /area/lavaland/surface/outdoors/unexplored/danger)) //this is danger. it's boss time.
+			if(A.megafauna_spawn_allowed && megafauna_spawn_list && megafauna_spawn_list.len) //this is danger. it's boss time.
 				var/maybe_boss = pickweight(megafauna_spawn_list)
 				if(megafauna_spawn_list[maybe_boss])
 					randumb = maybe_boss
@@ -278,22 +367,26 @@
 				return //prevents tendrils spawning in each other's collapse range
 
 		new randumb(T)
-	return
+	return TRUE
 
 #undef SPAWN_MEGAFAUNA
 #undef SPAWN_BUBBLEGUM
 
+/// Spawns a random flora in the tunnel, can spawn clumps of them.
 /turf/open/floor/plating/asteroid/airless/cave/proc/SpawnFlora(turf/T)
 	if(prob(12))
-		if(istype(loc, /area/mine/explored) || istype(loc, /area/lavaland/surface/outdoors/explored))
-			return
+		if(isarea(loc))
+			var/area/A = loc
+			if(!A.flora_allowed)
+				return
 		var/randumb = pickweight(flora_spawn_list)
-		for(var/obj/structure/flora/ash/F in range(4, T)) //Allows for growing patches, but not ridiculous stacks of flora
+		if(!randumb)
+			return
+		for(var/obj/structure/flora/F in range(4, T)) // Allows for growing patches, but not ridiculous stacks of flora
 			if(!istype(F, randumb))
 				return
 		new randumb(T)
-
-
+		return TRUE
 
 /turf/open/floor/plating/asteroid/snow
 	gender = PLURAL
@@ -322,6 +415,15 @@
 		return TRUE
 	return FALSE
 
+/turf/open/floor/plating/asteroid/snow/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
+/turf/open/lava/plasma/ice_moon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+	baseturfs = /turf/open/lava/plasma/ice_moon
+	planetary_atmos = TRUE
+
 /turf/open/floor/plating/asteroid/snow/ice
 	name = "icy snow"
 	desc = "Looks colder."
@@ -336,6 +438,15 @@
 	clawfootstep = FOOTSTEP_HARD_CLAW
 	heavyfootstep = FOOTSTEP_GENERIC_HEAVY
 
+/turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+	planetary_atmos = TRUE
+
+/turf/open/floor/plating/asteroid/snow/ice/icemoon/solarpanel
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "solarpanel"
+
 /turf/open/floor/plating/asteroid/snow/ice/burn_tile()
 	return FALSE
 
@@ -347,4 +458,4 @@
 
 /turf/open/floor/plating/asteroid/snow/atmosphere
 	initial_gas_mix = FROZEN_ATMOS
-	planetary_atmos = FALSE
+	planetary_atmos = FALSE

code/game/turfs/simulated/floor/plating/misc_plating.dm

@@ -3,6 +3,10 @@
 	icon_state = "plating"
 	initial_gas_mix = AIRLESS_ATMOS
 
+/turf/open/floor/plating/icemoon
+	icon_state = "plating"
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 /turf/open/floor/plating/abductor
 	name = "alien floor"
 	icon_state = "alienpod1"
@@ -209,6 +213,8 @@
 /turf/open/floor/plating/ice/burn_tile()
 	return
 
+/turf/open/floor/plating/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/open/floor/plating/snowed
 	name = "snowed-over plating"
@@ -240,4 +246,6 @@
 /turf/open/floor/plating/snowed/temperatre
 	temperature = 255.37
 
+/turf/open/floor/plating/snowed/smoothed/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 

code/game/turfs/simulated/minerals.dm

@@ -147,6 +147,11 @@
 	var/mineralChance = 13
 	var/display_icon_state = "rock"
 
+/turf/closed/mineral/random/more_caves
+	mineralSpawnChanceList = list(/turf/closed/mineral/uranium = 5, /turf/closed/mineral/diamond = 1, /turf/closed/mineral/gold = 10,
+		/turf/closed/mineral/silver = 12, /turf/closed/mineral/plasma = 20, /turf/closed/mineral/iron = 40, /turf/closed/mineral/titanium = 11,
+		/turf/closed/mineral/gibtonite = 4, /turf/open/floor/plating/asteroid/airless/cave = 15, /turf/closed/mineral/bscrystal = 1)
+
 /turf/closed/mineral/random/Initialize()
 
 	mineralSpawnChanceList = typelist("mineralSpawnChanceList", mineralSpawnChanceList)
@@ -195,11 +200,27 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 	mineralSpawnChanceList = list(
 		/turf/closed/mineral/uranium/volcanic = 35, /turf/closed/mineral/diamond/volcanic = 30, /turf/closed/mineral/gold/volcanic = 45, /turf/closed/mineral/titanium/volcanic = 45,
 		/turf/closed/mineral/silver/volcanic = 50, /turf/closed/mineral/plasma/volcanic = 50, /turf/closed/mineral/bscrystal/volcanic = 20)
 
+/turf/closed/mineral/random/high_chance/snow
+	name = "snowy mountainside"
+	icon = 'icons/turf/mining.dmi'
+	smooth_icon = 'icons/turf/walls/mountain_wall.dmi'
+	icon_state = "mountainrock"
+	smooth = SMOOTH_MORE|SMOOTH_BORDER
+	canSmoothWith = list (/turf/closed)
+	defer_change = TRUE
+	environment_type = "snow"
+	turf_type = /turf/open/floor/plating/asteroid/snow/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 35, /turf/closed/mineral/diamond/ice/icemoon = 30, /turf/closed/mineral/gold/ice/icemoon = 45, /turf/closed/mineral/titanium/ice/icemoon = 45,
+		/turf/closed/mineral/silver/ice/icemoon = 50, /turf/closed/mineral/plasma/ice/icemoon = 50, /turf/closed/mineral/bscrystal/ice/icemoon = 20)
+
 /turf/closed/mineral/random/high_chance/earth_like
 	icon_state = "rock_highchance_oxy"
 	turf_type = /turf/open/floor/plating/asteroid
@@ -236,7 +257,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 	mineralChance = 10
 	mineralSpawnChanceList = list(
@@ -244,6 +265,36 @@
 		/turf/closed/mineral/silver/volcanic = 12, /turf/closed/mineral/plasma/volcanic = 20, /turf/closed/mineral/iron/volcanic = 40,
 		/turf/closed/mineral/gibtonite/volcanic = 4, /turf/open/floor/plating/asteroid/airless/cave/volcanic = 1, /turf/closed/mineral/bscrystal/volcanic = 1)
 
+/turf/closed/mineral/random/volcanic/more_caves
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/volcanic = 5, /turf/closed/mineral/diamond/volcanic = 1, /turf/closed/mineral/gold/volcanic = 10, /turf/closed/mineral/titanium/volcanic = 11,
+		/turf/closed/mineral/silver/volcanic = 12, /turf/closed/mineral/plasma/volcanic = 20, /turf/closed/mineral/iron/volcanic = 40,
+		/turf/closed/mineral/gibtonite/volcanic = 4, /turf/open/floor/plating/asteroid/airless/cave/volcanic = 15, /turf/closed/mineral/bscrystal/volcanic = 1)
+
+/turf/closed/mineral/random/snow
+	name = "snowy mountainside"
+	icon = 'icons/turf/mining.dmi'
+	smooth_icon = 'icons/turf/walls/mountain_wall.dmi'
+	icon_state = "mountainrock"
+	smooth = SMOOTH_MORE|SMOOTH_BORDER
+	canSmoothWith = list (/turf/closed)
+	defer_change = TRUE
+	environment_type = "snow"
+	turf_type = /turf/open/floor/plating/asteroid/snow/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
+	mineralChance = 10
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 5, /turf/closed/mineral/diamond/ice/icemoon = 1, /turf/closed/mineral/gold/ice/icemoon = 10, /turf/closed/mineral/titanium/ice/icemoon = 11,
+		/turf/closed/mineral/silver/ice/icemoon = 12, /turf/closed/mineral/plasma/ice/icemoon = 20, /turf/closed/mineral/iron/ice/icemoon = 40,
+		/turf/closed/mineral/gibtonite/ice/icemoon = 4, /turf/open/floor/plating/asteroid/airless/cave/snow = 1, /turf/closed/mineral/bscrystal/ice/icemoon = 1)
+
+/turf/closed/mineral/random/snow/no_caves
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 5, /turf/closed/mineral/diamond/ice/icemoon = 1, /turf/closed/mineral/gold/ice/icemoon = 10, /turf/closed/mineral/titanium/ice/icemoon = 11,
+		/turf/closed/mineral/silver/ice/icemoon = 12, /turf/closed/mineral/plasma/ice/icemoon = 20, /turf/closed/mineral/iron/ice/icemoon = 40,
+		/turf/closed/mineral/gibtonite/ice/icemoon = 4, /turf/closed/mineral/bscrystal/ice/icemoon = 1)
 
 /turf/closed/mineral/random/labormineral
 	mineralSpawnChanceList = list(
@@ -252,18 +303,51 @@
 		/turf/closed/mineral/gibtonite = 2)
 	icon_state = "rock_labor"
 
+/turf/closed/mineral/random/snow/underground
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 5, /turf/closed/mineral/diamond/ice/icemoon = 1, /turf/closed/mineral/gold/ice/icemoon = 10, /turf/closed/mineral/titanium/ice/icemoon = 11,
+		/turf/closed/mineral/silver/ice/icemoon = 12, /turf/closed/mineral/plasma/ice/icemoon = 20, /turf/closed/mineral/iron/ice/icemoon = 40,
+		/turf/closed/mineral/gibtonite/ice/icemoon = 4, /turf/open/floor/plating/asteroid/airless/cave/snow/underground = 1, /turf/closed/mineral/bscrystal/ice/icemoon = 1)
+
+/turf/closed/mineral/random/snow/more_caves
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 5, /turf/closed/mineral/diamond/ice/icemoon = 1, /turf/closed/mineral/gold/ice/icemoon = 10, /turf/closed/mineral/titanium/ice/icemoon = 11,
+		/turf/closed/mineral/silver/ice/icemoon = 12, /turf/closed/mineral/plasma/ice/icemoon = 20, /turf/closed/mineral/iron/ice/icemoon = 40,
+		/turf/closed/mineral/gibtonite/ice/icemoon = 4, /turf/open/floor/plating/asteroid/airless/cave/snow = 15, /turf/closed/mineral/bscrystal/ice/icemoon = 1)
+
 
 /turf/closed/mineral/random/labormineral/volcanic
 	environment_type = "basalt"
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 	mineralSpawnChanceList = list(
 		/turf/closed/mineral/uranium/volcanic = 3, /turf/closed/mineral/diamond/volcanic = 1, /turf/closed/mineral/gold/volcanic = 8, /turf/closed/mineral/titanium/volcanic = 8,
 		/turf/closed/mineral/silver/volcanic = 20, /turf/closed/mineral/plasma/volcanic = 30, /turf/closed/mineral/bscrystal/volcanic = 1, /turf/closed/mineral/gibtonite/volcanic = 2,
 		/turf/closed/mineral/iron/volcanic = 95)
 
+//Subtypes for placing ores manually.
+/turf/closed/mineral/random/labormineral/ice
+	name = "snowy mountainside"
+	icon = 'icons/turf/mining.dmi'
+	smooth_icon = 'icons/turf/walls/mountain_wall.dmi'
+	icon_state = "mountainrock"
+	smooth = SMOOTH_MORE|SMOOTH_BORDER
+	canSmoothWith = list (/turf/closed)
+	defer_change = TRUE
+	environment_type = "snow"
+	turf_type = /turf/open/floor/plating/asteroid/snow/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
+	defer_change = TRUE
+	mineralSpawnChanceList = list(
+		/turf/closed/mineral/uranium/ice/icemoon = 3, /turf/closed/mineral/diamond/ice/icemoon = 1, /turf/closed/mineral/gold/ice/icemoon = 8, /turf/closed/mineral/titanium/ice/icemoon = 8,
+		/turf/closed/mineral/silver/ice/icemoon = 20, /turf/closed/mineral/plasma/ice/icemoon = 30, /turf/closed/mineral/bscrystal/ice/icemoon = 1, /turf/closed/mineral/gibtonite/ice/icemoon = 2,
+		/turf/closed/mineral/iron/ice/icemoon = 95)
+
+
 
 /turf/closed/mineral/iron
 	mineralType = /obj/item/stack/ore/iron
@@ -294,6 +378,11 @@
 	initial_gas_mix = FROZEN_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/iron/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 
 /turf/closed/mineral/uranium
 	mineralType = /obj/item/stack/ore/uranium
@@ -306,7 +395,21 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
+
+/turf/closed/mineral/uranium/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_Uranium"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/uranium/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/closed/mineral/uranium/earth_like
 	icon_state = "rock_oxy"
@@ -327,7 +430,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/diamond/earth_like
 	icon_state = "rock_oxy"
@@ -345,6 +448,11 @@
 	initial_gas_mix = FROZEN_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/diamond/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 
 /turf/closed/mineral/gold
 	mineralType = /obj/item/stack/ore/gold
@@ -357,7 +465,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/gold/earth_like
 	icon_state = "rock_oxy"
@@ -366,6 +474,19 @@
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/gold/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_gold"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/gold/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/closed/mineral/silver
 	mineralType = /obj/item/stack/ore/silver
@@ -378,7 +499,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/silver/earth_like
 	icon_state = "rock_oxy"
@@ -387,6 +508,19 @@
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/silver/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_silver"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/silver/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/closed/mineral/titanium
 	mineralType = /obj/item/stack/ore/titanium
@@ -399,7 +533,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/titanium/earth_like
 	icon_state = "rock_oxy"
@@ -408,6 +542,19 @@
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/titanium/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_titanium"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/titanium/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/closed/mineral/plasma
 	mineralType = /obj/item/stack/ore/plasma
@@ -420,7 +567,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/plasma/earth_like
 	icon_state = "rock_oxy"
@@ -438,6 +585,10 @@
 	initial_gas_mix = FROZEN_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/plasma/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 
 /turf/closed/mineral/bananium
@@ -454,6 +605,21 @@
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/bananium/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_Bananium"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/bananium/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
+
 /turf/closed/mineral/bscrystal
 	mineralType = /obj/item/stack/ore/bluespace_crystal
 	mineralAmt = 1
@@ -466,7 +632,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/bscrystal/earth_like
 	icon_state = "rock_oxy"
@@ -475,6 +641,19 @@
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
 
+/turf/closed/mineral/bscrystal/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_BScrystal"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/bscrystal/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
 
 /turf/closed/mineral/volcanic
 	environment_type = "basalt"
@@ -486,7 +665,7 @@
 	environment_type = "basalt"
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/earth_like
 	icon_state = "rock_oxy"
@@ -506,7 +685,7 @@
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
 	environment_type = "waste"
 	turf_type = /turf/open/floor/plating/ashplanet/rocky
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/snowmountain
 	name = "snowy mountainside"
@@ -521,6 +700,11 @@
 	turf_type = /turf/open/floor/plating/asteroid/snow
 	defer_change = TRUE
 
+/turf/closed/mineral/snowmountain/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 /turf/closed/mineral/snowmountain/cavern
 	name = "ice cavern rock"
 	icon = 'icons/turf/mining.dmi'
@@ -532,6 +716,11 @@
 	environment_type = "snow_cavern"
 	turf_type = /turf/open/floor/plating/asteroid/snow/ice
 
+/turf/closed/mineral/snowmountain/cavern/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS
+
 //GIBTONITE
 
 /turf/closed/mineral/gibtonite
@@ -634,7 +823,7 @@
 	turf_type = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	baseturfs = /turf/open/floor/plating/asteroid/basalt/lava_land_surface
 	initial_gas_mix = LAVALAND_DEFAULT_ATMOS
-	defer_change = 1
+	defer_change = TRUE
 
 /turf/closed/mineral/gibtonite/earth_like
 	icon_state = "rock_oxy"
@@ -642,3 +831,18 @@
 	baseturfs = /turf/open/floor/plating/asteroid
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 	defer_change = TRUE
+
+	
+/turf/closed/mineral/gibtonite/ice
+	environment_type = "snow_cavern"
+	icon_state = "icerock_Gibtonite"
+	smooth_icon = 'icons/turf/walls/icerock_wall.dmi'
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice
+	initial_gas_mix = FROZEN_ATMOS
+	defer_change = TRUE
+
+/turf/closed/mineral/gibtonite/ice/icemoon
+	turf_type = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	baseturfs = /turf/open/floor/plating/asteroid/snow/ice/icemoon
+	initial_gas_mix = ICEMOON_DEFAULT_ATMOS

code/game/world.dm

@@ -8,6 +8,8 @@ GLOBAL_LIST(topic_status_cache)
 //This happens after the Master subsystem new(s) (it's a global datum)
 //So subsystems globals exist, but are not initialised
 /world/New()
+	if(fexists("byond-extools.dll"))
+		call("byond-extools.dll", "maptick_initialize")()
 	enable_debugger()
 
 	world.Profile(PROFILE_START)