ports all the tg junk for icemoon, not yet changed to make it all compile

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/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 +141,27 @@
 #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
+	/// 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
 	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 +180,48 @@
 /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)
+	terrain_spawn_list = list()
+	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 +234,7 @@
 	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 +247,7 @@
 	// 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 +257,22 @@
 	// 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 +283,11 @@
 
 		// 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 +298,12 @@
 		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 +319,39 @@
 			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)
+	if(!T)
+		sanity = 0
 		return
-	SpawnFlora(T)
-
-	SpawnMonster(T)
+	if(isarea(T.loc))
+	if(!A.tunnel_allowed)
+		sanity = 0
+		return
+	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
+		var/spawned_terrain = FALSE
+		if(is_mining_level(z))
+			spawned_flora = SpawnFlora(T)
+		if(!spawned_flora && !spawned_terrain) // 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 +369,26 @@
 				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 +417,15 @@
 		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 +440,11 @@
 	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/burn_tile()
 	return FALSE
 
@@ -347,4 +456,4 @@
 
 /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/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(/obj/item/stack/ore/uranium = 5, /obj/item/stack/ore/diamond = 1, /obj/item/stack/ore/gold = 10,
+		/obj/item/stack/ore/silver = 12, /obj/item/stack/ore/plasma = 20, /obj/item/stack/ore/iron = 40, /obj/item/stack/ore/titanium = 11,
+		/turf/closed/mineral/gibtonite = 4, /turf/open/floor/plating/asteroid/airless/cave = 15, /obj/item/stack/ore/bluespace_crystal = 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(
+		/obj/item/stack/ore/uranium = 5, /obj/item/stack/ore/diamond = 1, /obj/item/stack/ore/gold = 10, /obj/item/stack/ore/titanium = 11,
+		/obj/item/stack/ore/silver = 12, /obj/item/stack/ore/plasma = 20, /obj/item/stack/ore/iron = 40,
+		/turf/closed/mineral/gibtonite/volcanic = 4, /turf/open/floor/plating/asteroid/airless/cave/volcanic = 15, /obj/item/stack/ore/bluespace_crystal = 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