Merge conflicts, procs instead of macros, mood signals.

code/__DEFINES/atmospherics.dm

@@ -161,10 +161,14 @@
 #define ATMOS_TANK_O2				"o2=100000;TEMP=293.15"
 #define ATMOS_TANK_N2				"n2=100000;TEMP=293.15"
 #define ATMOS_TANK_AIRMIX			"o2=2644;n2=10580;TEMP=293.15"
+
 //LAVALAND
 #define LAVALAND_EQUIPMENT_EFFECT_PRESSURE 50 //what pressure you have to be under to increase the effect of equipment meant for lavaland
 #define LAVALAND_DEFAULT_ATMOS "o2=14;n2=23;TEMP=300"
 
+//SNOSTATION
+#define ICEMOON_DEFAULT_ATMOS "o2=17;n2=63;TEMP=180"
+
 //ATMOSIA GAS MONITOR TAGS
 #define ATMOS_GAS_MONITOR_INPUT_O2 "o2_in"
 #define ATMOS_GAS_MONITOR_OUTPUT_O2 "o2_out"
@@ -255,10 +259,10 @@
 
 //HELPERS
 #define PIPING_LAYER_SHIFT(T, PipingLayer) \
-	if(T.dir & NORTH || T.dir & SOUTH) {									\
+	if(T.dir & (NORTH|SOUTH)) {									\
 		T.pixel_x = (PipingLayer - PIPING_LAYER_DEFAULT) * PIPING_LAYER_P_X;\
 	}																		\
-	if(T.dir & WEST || T.dir & EAST) {										\
+	if(T.dir & (WEST|EAST)) {										\
 		T.pixel_y = (PipingLayer - PIPING_LAYER_DEFAULT) * PIPING_LAYER_P_Y;\
 	}
 

code/__DEFINES/construction.dm

@@ -59,8 +59,6 @@
 //let's just pretend fulltile windows being children of border windows is fine
 #define FULLTILE_WINDOW_DIR NORTHEAST
 
-//The amount of materials you get from a sheet of mineral like iron/diamond/glass etc
-#define MINERAL_MATERIAL_AMOUNT 2000
 //The maximum size of a stack object.
 #define MAX_STACK_SIZE 50
 //maximum amount of cable in a coil

code/__DEFINES/dcs/signals.dm

@@ -110,7 +110,8 @@
 #define COMSIG_TURF_MULTIZ_NEW "turf_multiz_new"				//from base of turf/New(): (turf/source, direction)
 
 // /atom/movable signals
-#define COMSIG_MOVABLE_PRE_MOVE "movable_pre_move"				//from base of atom/movable/Moved(): (/atom)
+#define COMSIG_MOVABLE_PRE_MOVE "movable_pre_move"					///from base of atom/movable/Moved(): (/atom)
+	#define COMPONENT_MOVABLE_BLOCK_PRE_MOVE 1
 #define COMSIG_MOVABLE_MOVED "movable_moved"					//from base of atom/movable/Moved(): (/atom, dir)
 #define COMSIG_MOVABLE_CROSS "movable_cross"					//from base of atom/movable/Cross(): (/atom/movable)
 #define COMSIG_MOVABLE_CROSSED "movable_crossed"                //from base of atom/movable/Crossed(): (/atom/movable)
@@ -182,7 +183,28 @@
 //	#define SPEECH_FORCED 7
 #define COMSIG_MOB_ANTAG_ON_GAIN "mob_antag_on_gain"			//from base of /datum/antagonist/on_gain(): (antag_datum)
 
-#define COMSIG_MOB_SPELL_CAN_CAST "mob_spell_can_cast"			//called from base of /obj/effect/proc_holder/spell/can_cast(): (spell)
+#define COMSIG_MOB_SPELL_CAN_CAST "mob_spell_can_cast"			//from base of /obj/effect/proc_holder/spell/can_cast(): (spell)
+
+#define COMSIG_MOB_ACTION_SKILL_MOD "mob_action_skill_mod"		//from base of /datum/skill_holder/action_skills_mod() : (proc args list, list/mod_values)
+	#define ACTION_SKILL_MOD_SKILL 1 //redundancy.
+	#define ACTION_SKILL_MOD_VALUE 2
+	#define ACTION_SKILL_MOD_THRESHOLD 3
+	#define ACTION_SKILL_MOD_IS_MULTI 4
+	//other mod values, kept separate from the args
+	#define MOD_VALUES_SKILL_MOD 1
+
+#define COMSIG_MOB_ITEM_ACTION_SKILLS_MOD "mob_item_action_skills_mod"	//from base of /datum/skill_holder/item_action_skills_mod() : (proc args list, mod_values)
+	#define ITEM_SKILLS_MOD_ITEM 1 //redundancy
+	#define ITEM_SKILLS_MOD_VALUE 2
+	#define ITEM_SKILLS_MOD_FLAGS 3
+	#define ITEM_SKILLS_MOD_BAD_FLAGS 4
+	#define ITEM_SKILLS_MOD_IS_MULTI 5
+	//other mod values, kept separate from the args
+	#define MOD_VALUES_ITEM_SKILLS_SUM 1
+	#define MOD_VALUES_ITEM_SKILLS_DIV 2
+	#define MOD_VALUES_ITEM_SKILLS_CHECKED 3
+
+#define COMSIG_MOB_SKILL_GET_AFFINITY "mob_skill_get_affinity"	//from base of /datum/skill_holder/get_skill_affinity(): (skill_path, list/return_value)
 
 // /mob/living signals
 #define COMSIG_LIVING_REGENERATE_LIMBS "living_regenerate_limbs"	//from base of /mob/living/regenerate_limbs(): (noheal, excluded_limbs)

code/__DEFINES/inventory.dm

@@ -132,7 +132,7 @@
 #define FEMALE_UNIFORM_FULL			1
 #define FEMALE_UNIFORM_TOP			2
 
-//flags for outfits that have mutantrace variants: These are hard sprited too.
+//flags for outfits that have mutant race variants: Most of these require additional sprites to work.
 #define STYLE_DIGITIGRADE		(1<<0) //jumpsuits, suits and shoes
 #define STYLE_MUZZLE			(1<<1) //hats or masks
 #define STYLE_SNEK_TAURIC		(1<<2) //taur-friendly suits
@@ -140,6 +140,9 @@
 #define STYLE_HOOF_TAURIC		(1<<4)
 #define STYLE_ALL_TAURIC		(STYLE_SNEK_TAURIC|STYLE_PAW_TAURIC|STYLE_HOOF_TAURIC)
 #define STYLE_NO_ANTHRO_ICON	(1<<5) //When digis fit the default sprite fine and need no copypasted states. This is the case of skirts and winter coats, for example.
+#define USE_SNEK_CLIP_MASK		(1<<6)
+#define USE_QUADRUPED_CLIP_MASK	(1<<7)
+#define USE_TAUR_CLIP_MASK		(USE_SNEK_CLIP_MASK|USE_QUADRUPED_CLIP_MASK)
 
 //digitigrade legs settings.
 #define NOT_DIGITIGRADE				0

code/__DEFINES/is_helpers.dm

@@ -174,7 +174,10 @@ GLOBAL_LIST_INIT(clawfootmob, typecacheof(list(
 	/mob/living/simple_animal/pet/fox,
 	/mob/living/simple_animal/chicken,
 	/mob/living/simple_animal/hostile/bear,
-	/mob/living/simple_animal/hostile/jungle/mega_arachnid
+	/mob/living/simple_animal/hostile/jungle/mega_arachnid,
+	/mob/living/simple_animal/hostile/asteroid/ice_whelp,
+	/mob/living/simple_animal/hostile/asteroid/wolf,
+	/mob/living/simple_animal/hostile/asteroid/polarbear
 	)))
 
 GLOBAL_LIST_INIT(barefootmob, typecacheof(list(

code/__DEFINES/layers_planes.dm

@@ -1,6 +1,8 @@
 //Defines for atom layers and planes
 //KEEP THESE IN A NICE ACSCENDING ORDER, PLEASE
 
+#define PLANE_VOID -100
+
 #define CLICKCATCHER_PLANE -99
 
 #define PLANE_SPACE -95

code/__DEFINES/mapping/maploader.dm

@@ -0,0 +1,3 @@
+//map template annihilate_bounds
+#define MAP_TEMPLATE_ANNIHILATE_PRELOAD 1		//annihilate bounds before starting loading
+#define MAP_TEMPLATE_ANNIHILATE_LOADING 2		//"sweeping" delete during loading

code/__DEFINES/maps.dm

@@ -38,8 +38,15 @@ require only minor tweaks.
 #define ZTRAIT_VR "Virtual Reality"
 #define ZTRAIT_SPACE_RUINS "Space Ruins"
 #define ZTRAIT_LAVA_RUINS "Lava Ruins"
+#define ZTRAIT_ICE_RUINS "Ice Ruins"
+#define ZTRAIT_ICE_RUINS_UNDERGROUND "Ice Ruins Underground"
 #define ZTRAIT_ISOLATED_RUINS "Isolated Ruins" //Placing ruins on z levels with this trait will use turf reservation instead of usual placement.
 
+//boolean - weather types that occur on the level
+#define ZTRAIT_SNOWSTORM "Weather_Snowstorm"
+#define ZTRAIT_ASHSTORM "Weather_Ashstorm"
+#define ZTRAIT_ACIDRAIN "Weather_Acidrain"
+
 // number - bombcap is multiplied by this before being applied to bombs
 #define ZTRAIT_BOMBCAP_MULTIPLIER "Bombcap Multiplier"
 
@@ -68,6 +75,7 @@ require only minor tweaks.
 #define ZTRAITS_SPACE list(ZTRAIT_LINKAGE = CROSSLINKED, ZTRAIT_SPACE_RUINS = TRUE)
 #define ZTRAITS_LAVALAND list(\
     ZTRAIT_MINING = TRUE, \
+	ZTRAIT_ASHSTORM = TRUE, \
     ZTRAIT_LAVA_RUINS = TRUE, \
     ZTRAIT_BOMBCAP_MULTIPLIER = 5, \
     ZTRAIT_BASETURF = /turf/open/lava/smooth/lava_land_surface)

code/__DEFINES/material/worth.dm

@@ -0,0 +1,2 @@
+/// cm3 of material matter per sheet
+#define MINERAL_MATERIAL_AMOUNT 2000

code/__DEFINES/misc.dm

@@ -35,15 +35,15 @@ Will print: "/mob/living/carbon/human/death" (you can optionally embed it in a s
 #define BODY_ADJ_LAYER			27		//certain mutantrace features (snout, body markings) that must appear above the body parts
 #define GENITALS_FRONT_LAYER	26		//Draws some genitalia above clothes and the TAUR body if need be.
 #define BODY_LAYER				25		//underwear, undershirts, socks, eyes, lips(makeup)
-#define FRONT_MUTATIONS_LAYER	24		//mutations that should appear above body, body_adj and bodyparts layer (e.g. laser eyes)
-#define DAMAGE_LAYER			23		//damage indicators (cuts and burns)
-#define UNIFORM_LAYER			22
-#define ID_LAYER				21
-#define HANDS_PART_LAYER		20
-#define SHOES_LAYER				19
-#define GLOVES_LAYER			18
-#define EARS_LAYER				17
-#define BODY_TAUR_LAYER			16
+#define BODY_ADJ_UPPER_LAYER	24
+#define FRONT_MUTATIONS_LAYER	23		//mutations that should appear above body, body_adj and bodyparts layer (e.g. laser eyes)
+#define DAMAGE_LAYER			22		//damage indicators (cuts and burns)
+#define UNIFORM_LAYER			21
+#define ID_LAYER				20
+#define HANDS_PART_LAYER		19
+#define SHOES_LAYER				18
+#define GLOVES_LAYER			17
+#define EARS_LAYER				16
 #define SUIT_LAYER				15
 #define GENITALS_EXPOSED_LAYER	14
 #define GLASSES_LAYER			13

code/__DEFINES/mobs.dm

@@ -138,6 +138,7 @@
 #define MOOD_LEVEL_SAD4 -25
 
 //Sanity levels for humans
+#define SANITY_AMAZING 150
 #define SANITY_GREAT 125
 #define SANITY_NEUTRAL 100
 #define SANITY_DISTURBED 75
@@ -265,6 +266,7 @@
 #define WIZARD_AGE_MIN		30	//youngest a wizard can be
 #define APPRENTICE_AGE_MIN	29	//youngest an apprentice can be
 #define SHOES_SLOWDOWN		0	//How much shoes slow you down by default. Negative values speed you up
+#define SHOES_SPEED_SLIGHT  SHOES_SLOWDOWN - 1 // slightest speed boost to movement
 #define POCKET_STRIP_DELAY			40	//time taken (in deciseconds) to search somebody's pockets
 #define DOOR_CRUSH_DAMAGE	15	//the amount of damage that airlocks deal when they crush you
 
@@ -288,10 +290,8 @@
 
 #define HUMAN_FIRE_STACK_ICON_NUM	3
 
-#define PULL_PRONE_SLOWDOWN 0.6
-#define FIREMAN_CARRY_SLOWDOWN 0
-#define PIGGYBACK_CARRY_SLOWDOWN 1
-//slowdown when in softcrit. Note that crawling slowdown will also apply at the same time!
-#define SOFTCRIT_ADD_SLOWDOWN 2
-//slowdown when crawling
-#define CRAWLING_ADD_SLOWDOWN 4
+#define GRAB_PIXEL_SHIFT_PASSIVE 6
+#define GRAB_PIXEL_SHIFT_AGGRESSIVE 12
+#define GRAB_PIXEL_SHIFT_NECK 16
+
+#define SLEEP_CHECK_DEATH(X) sleep(X); if(QDELETED(src) || stat == DEAD) return;

code/__DEFINES/mobs/slowdowns.dm

@@ -0,0 +1,10 @@
+/// How much someone is slowed from pulling a prone human
+#define PULL_PRONE_SLOWDOWN 0.6
+/// How much someone is slowed from fireman carrying a human
+#define FIREMAN_CARRY_SLOWDOWN 0
+/// How much someone is slowed by piggybacking a human
+#define PIGGYBACK_CARRY_SLOWDOWN 1
+/// slowdown when in softcrit. Note that crawling slowdown will also apply at the same time!
+#define SOFTCRIT_ADD_SLOWDOWN 2
+/// slowdown when crawling
+#define CRAWLING_ADD_SLOWDOWN 4

code/__DEFINES/obj_flags.dm

@@ -38,11 +38,12 @@
 #define BLOCK_GAS_SMOKE_EFFECT	(1<<2)	//blocks the effect that chemical clouds would have on a mob --glasses, mask and helmets ONLY!
 #define ALLOWINTERNALS		  	(1<<3)	//mask allows internals
 #define NOSLIP                  (1<<4)	//prevents from slipping on wet floors, in space etc
-#define THICKMATERIAL			(1<<5)	//prevents syringes, parapens and hypos if the external suit or helmet (if targeting head) has this flag. Example: space suits, biosuit, bombsuits, thick suits that cover your body.
-#define VOICEBOX_TOGGLABLE 		(1<<6)	//The voicebox in this clothing can be toggled.
-#define VOICEBOX_DISABLED 		(1<<7)	//The voicebox is currently turned off.
-#define IGNORE_HAT_TOSS			(1<<8)	//Hats with negative effects when worn (i.e the tinfoil hat).
-#define SCAN_REAGENTS			(1<<9)	// Allows helmets and glasses to scan reagents.
+#define NOSLIP_ICE				(1<<5)	 //prevents from slipping on frozen floors
+#define THICKMATERIAL			(1<<6)	//prevents syringes, parapens and hypos if the external suit or helmet (if targeting head) has this flag. Example: space suits, biosuit, bombsuits, thick suits that cover your body.
+#define VOICEBOX_TOGGLABLE 		(1<<7)	//The voicebox in this clothing can be toggled.
+#define VOICEBOX_DISABLED 		(1<<8)	//The voicebox is currently turned off.
+#define IGNORE_HAT_TOSS			(1<<9)	//Hats with negative effects when worn (i.e the tinfoil hat).
+#define SCAN_REAGENTS			(1<<10)	// Allows helmets and glasses to scan reagents.
 
 // Flags for the organ_flags var on /obj/item/organ
 

code/__DEFINES/radio.dm

@@ -65,6 +65,7 @@
 #define FREQ_ENGINEERING 1357  // Engineering comms frequency, orange
 #define FREQ_SECURITY 1359  // Security comms frequency, red
 
+#define FREQ_HOLOGRID_SOLUTION 1433
 #define FREQ_STATUS_DISPLAYS 1435
 #define FREQ_ATMOS_ALARMS 1437  // air alarms <-> alert computers
 #define FREQ_ATMOS_CONTROL 1439  // air alarms <-> vents and scrubbers

code/__DEFINES/research/stock_parts.dm

@@ -0,0 +1,5 @@
+// the clamps are just sanity checks.
+/// Efficiency scaling for stock part level to material usage. All code concerning lathing and production from raw material sheet should be using this.
+#define STANDARD_PART_LEVEL_LATHE_COEFFICIENT(level)		clamp(1 - (level * 0.1), 0, 1)
+/// Efficiency scaling for stock part level to ore factor. All code concerning lathing and production from raw ores to raw material sheets should be using this.
+#define STANDARD_PART_LEVEL_ORE_COEFFICIENT(level)			clamp(1 + (level * 0.125), 1, 10)

code/__DEFINES/skills/defines.dm

@@ -29,6 +29,8 @@
 #define DEF_SKILL_GAIN					1
 #define SKILL_GAIN_SURGERY_PER_STEP		0.25
 
+#define SKILL_AFFINITY_MOOD_BONUS 		1.25
+
 ///Items skill_flags and other defines
 #define SKILL_USE_TOOL			(1<<0)
 #define SKILL_TRAINING_TOOL		(1<<1)
@@ -39,6 +41,8 @@
 #define SKILL_STAMINA_COST		(1<<6) //Influences the stamina cost from weapon usage.
 #define SKILL_THROW_STAM_COST	(1<<7)
 #define SKILL_COMBAT_MODE		(1<<8) //The user must have combat mode on.
+#define SKILL_USE_MOOD			(1<<9) //Is the skill negatively affected by bad mood.
+#define SKILL_TRAIN_MOOD		(1<<10) //Is this skill training affected by good mood.
 
 ///competency_threshold index defines
 #define THRESHOLD_COMPETENT	1

code/__DEFINES/skills/helpers.dm

@@ -1,41 +1,3 @@
-/**
-  *Generic delay calculation macro for various delayed actions.
-  *The skill to check must be an instance, not a path or list.
-  */
-#define SKILL_MODIFIER(to_check, holder, target, threshold) \
-	var/___value;\
-	switch(to_check.progression_type){\
-		if(SKILL_PROGRESSION_LEVEL){\
-			___value = LAZYACCESS(holder.skill_levels, to_check.type)\
-		} else {\
-			___value = LAZYACCESS(holder.skills, to_check.type)\
-		}\
-	}\
-	target /= (1+(___value-to_check.competency_thresholds[threshold])*to_check.competency_mults[threshold])
-
-/// This is the one that accepts typepaths and lists. if flags are enabled, an associative value check will be done.
-#define LIST_SKILL_MODIFIER(list, holder, target, threshold, flags, bad_flags) \
-	var/___sum = 0;\
-	var/___divisor = 0;\
-	for(var/_S in list){\
-		if((flags && !(list[_S] & (flags))) || (bad_flags && list[_S] & (bad_flags))){\
-			continue\
-		}\
-		var/___value;\
-		var/datum/skill/___S = GLOB.skill_datums[_S];\
-		switch(___S.progression_type){\
-			if(SKILL_PROGRESSION_LEVEL){\
-				___value = LAZYACCESS(holder.skill_levels, ___S.type)\
-			} else {\
-				___value = LAZYACCESS(holder.skills, ___S.type)\
-			}\
-		}\
-		___sum += (1+(___value - ___S.competency_thresholds[threshold])*___S.competency_mults[threshold]);\
-		___divisor++\
-	}\
-	if(___divisor){\
-		target /= (___sum/___divisor)\
-	}
 
 //How experience levels are calculated.
 #define XP_LEVEL(std, multi, lvl) (std*((multi**lvl)/(multi-1))-std/(multi-1)) //don't use 1 as multi, you'll get division by zero errors

code/__DEFINES/status_effects.dm

@@ -34,6 +34,8 @@
 
 #define STATUS_EFFECT_HIPPOCRATIC_OATH /datum/status_effect/hippocraticOath //Gives you an aura of healing as well as regrowing the Rod of Asclepius if lost
 
+#define STATUS_EFFECT_REGENERATIVE_CORE /datum/status_effect/regenerative_core	//removes damage slowdown while giving a slow regenerating effect
+
 /////////////
 // DEBUFFS //
 /////////////
@@ -78,7 +80,7 @@
 
 #define STATUS_EFFECT_CRUSHERMARK /datum/status_effect/crusher_mark //if struck with a proto-kinetic crusher, takes a ton of damage
 
-#define STATUS_EFFECT_SAWBLEED /datum/status_effect/saw_bleed //if the bleed builds up enough, takes a ton of damage
+#define STATUS_EFFECT_SAWBLEED /datum/status_effect/stacking/saw_bleed //if the bleed builds up enough, takes a ton of damage
 
 #define STATUS_EFFECT_NECKSLICE /datum/status_effect/neck_slice //Creates the flavor messages for the neck-slice
 

code/__DEFINES/traits.dm

@@ -78,6 +78,7 @@
 #define TRAIT_MONKEYLIKE		"monkeylike" //sets IsAdvancedToolUser to FALSE
 #define TRAIT_PACIFISM			"pacifism"
 #define TRAIT_IGNORESLOWDOWN	"ignoreslow"
+#define TRAIT_IGNOREDAMAGESLOWDOWN "ignoredamageslowdown"
 #define TRAIT_DEATHCOMA			"deathcoma" //Causes death-like unconsciousness
 #define TRAIT_FAKEDEATH			"fakedeath" //Makes the owner appear as dead to most forms of medical examination
 #define TRAIT_DISFIGURED		"disfigured"
@@ -187,7 +188,7 @@
 #define TRAIT_NO_INTERNALS		"no-internals"
 #define TRAIT_NO_ALCOHOL		"alcohol_intolerance"
 #define TRAIT_MUTATION_STASIS			"mutation_stasis" //Prevents processed genetics mutations from processing.
-#define TRAIT_FAST_PUMP				"fast_pump"	
+#define TRAIT_FAST_PUMP				"fast_pump"
 
 // mobility flag traits
 // IN THE FUTURE, IT WOULD BE NICE TO DO SOMETHING SIMILAR TO https://github.com/tgstation/tgstation/pull/48923/files (ofcourse not nearly the same because I have my.. thoughts on it)

code/__HELPERS/areas.dm

@@ -58,6 +58,11 @@ GLOBAL_LIST_INIT(typecache_powerfailure_safe_areas, typecacheof(/area/engine/eng
 	else if(isarea(areatype))
 		var/area/areatemp = areatype
 		areatype = areatemp.type
+	else if(islist(areatype))
+		var/list/turfs = list()
+		for(var/A in areatype)
+			turfs += get_area_turfs(A)
+		return turfs
 	else if(!ispath(areatype))
 		return null
 

code/__HELPERS/mobs.dm

@@ -163,9 +163,11 @@
 		"tail_lizard"		= pick(GLOB.tails_list_lizard),
 		"tail_human"		= "None",
 		"wings"				= "None",
+		"wings_color"		= "FFF",
 		"deco_wings"		= "None",
 		"snout"				= pick(GLOB.snouts_list),
-		"horns"				= pick(GLOB.horns_list),
+		"horns"				= "None",
+		"horns_color"		= "85615a",
 		"ears"				= "None",
 		"frills"			= pick(GLOB.frills_list),
 		"spines"			= pick(GLOB.spines_list),
@@ -174,7 +176,7 @@
 		"caps"				= pick(GLOB.caps_list),
 		"insect_wings"		= pick(GLOB.insect_wings_list),
 		"insect_fluff"		= "None",
-		"insect_markings"     = pick(GLOB.insect_markings_list),
+		"insect_markings"	= pick(GLOB.insect_markings_list),
 		"taur"				= "None",
 		"mam_body_markings" = snowflake_markings_list.len ? pick(snowflake_markings_list) : "None",
 		"mam_ears" 			= snowflake_ears_list ? pick(snowflake_ears_list) : "None",

code/__HELPERS/unsorted.dm

@@ -434,6 +434,29 @@ Turf and target are separate in case you want to teleport some distance from a t
 
 	return locate(x,y,A.z)
 
+/**
+  * Get ranged target turf, but with direct targets as opposed to directions
+  *
+  * Starts at atom A and gets the exact angle between A and target
+  * Moves from A with that angle, Range amount of times, until it stops, bound to map size
+  * Arguments:
+  * * A - Initial Firer / Position
+  * * target - Target to aim towards
+  * * range - Distance of returned target turf from A
+  * * offset - Angle offset, 180 input would make the returned target turf be in the opposite direction
+  */
+/proc/get_ranged_target_turf_direct(atom/A, atom/target, range, offset)
+	var/angle = arctan(target.x - A.x, target.y - A.y)
+	if(offset)
+		angle += offset
+	var/turf/T = get_turf(A)
+	for(var/i in 1 to range)
+		var/turf/check = locate(A.x + cos(angle) * i, A.y + sin(angle) * i, A.z)
+		if(!check)
+			break
+		T = check
+
+	return T
 
 // returns turf relative to A offset in dx and dy tiles
 // bound to map limits

code/_globalvars/bitfields.dm

@@ -266,6 +266,16 @@ GLOBAL_LIST_INIT(bitfields, list(
 		"STORAGE_LIMIT_COMBINED_W_CLASS" = STORAGE_LIMIT_COMBINED_W_CLASS,
 		"STORAGE_LIMIT_VOLUME" = STORAGE_LIMIT_VOLUME
 	),
+	"mutantrace_variation" = list(
+		"STYLE_DIGITIGRADE" = STYLE_DIGITIGRADE,
+		"STYLE_MUZZLE" = STYLE_MUZZLE,
+		"STYLE_SNEK_TAURIC" = STYLE_SNEK_TAURIC,
+		"STYLE_PAW_TAURIC" = STYLE_PAW_TAURIC,
+		"STYLE_HOOF_TAURIC" = STYLE_HOOF_TAURIC,
+		"STYLE_NO_ANTHRO_ICON" = STYLE_NO_ANTHRO_ICON,
+		"USE_SNEK_CLIP_MASK" = USE_SNEK_CLIP_MASK,
+		"USE_QUADRUPED_CLIP_MASK" = USE_QUADRUPED_CLIP_MASK
+	),
 	"vis_flags" = list(
 		"VIS_INHERIT_ICON" = VIS_INHERIT_ICON,
 		"VIS_INHERIT_ICON_STATE" = VIS_INHERIT_ICON_STATE,

code/_globalvars/lists/flavor_misc.dm

@@ -137,8 +137,8 @@ GLOBAL_LIST_INIT(jumpsuitlist, list(PREF_SUIT, PREF_SKIRT))
 #define UPLINK_PEN		"Pen" //like a real spy!
 GLOBAL_LIST_INIT(uplink_spawn_loc_list, list(UPLINK_PDA, UPLINK_RADIO, UPLINK_PEN))
 
-	//Female Uniforms
-GLOBAL_LIST_EMPTY(female_clothing_icons)
+//List of cached alpha masked icons.
+GLOBAL_LIST_EMPTY(alpha_masked_worn_icons)
 
 	//radical shit
 GLOBAL_LIST_INIT(hit_appends, list("-OOF", "-ACK", "-UGH", "-HRNK", "-HURGH", "-GLORF"))

code/_onclick/hud/_defines.dm

@@ -162,7 +162,7 @@
 #define ui_ghost_orbit "SOUTH:6,CENTER-1:24"
 #define ui_ghost_reenter_corpse "SOUTH:6,CENTER:24"
 #define ui_ghost_teleport "SOUTH:6,CENTER+1:24"
-#define ui_ghost_pai "SOUTH: 6, CENTER+2:24"
+#define ui_ghost_spawners "SOUTH: 6, CENTER+2:24"
 
 
 //UI position overrides for 1:1 screen layout. (default is 7:5)

code/_onclick/hud/ghost.dm

@@ -36,13 +36,13 @@
 	var/mob/dead/observer/G = usr
 	G.dead_tele()
 
-/obj/screen/ghost/pai
-	name = "pAI Candidate"
-	icon_state = "pai"
+/obj/screen/ghost/spawners
+	name = "Ghost role spawners"
+	icon_state = "spawners"
 
-/obj/screen/ghost/pai/Click()
+/obj/screen/ghost/spawners/Click()
 	var/mob/dead/observer/G = usr
-	G.register_pai()
+	G.open_spawners_menu()
 
 /datum/hud/ghost/New(mob/owner)
 	..()
@@ -68,8 +68,8 @@
 	using.hud = src
 	static_inventory += using
 
-	using = new /obj/screen/ghost/pai()
-	using.screen_loc = ui_ghost_pai
+	using = new /obj/screen/ghost/spawners()
+	using.screen_loc = ui_ghost_spawners
 	using.hud = src
 	static_inventory += using
 

code/_onclick/item_attack.dm

@@ -118,7 +118,7 @@
 		bad_flag |= SKILL_COMBAT_MODE //blacklist combat skills.
 	if(I.used_skills && user.mind)
 		if(totitemdamage)
-			LIST_SKILL_MODIFIER(I.used_skills, user.mind.skill_holder, totitemdamage, I.skill_difficulty, SKILL_ATTACK_OBJ, bad_flag)
+			totitemdamage = user.mind.skill_holder.item_action_skills_mod(I, totitemdamage, I.skill_difficulty, SKILL_ATTACK_OBJ, bad_flag)
 		for(var/skill in I.used_skills)
 			if(!(I.used_skills[skill] & SKILL_TRAIN_ATTACK_OBJ))
 				continue
@@ -163,7 +163,7 @@
 	if(!user.mind || !I.used_skills)
 		return
 	if(.)
-		LIST_SKILL_MODIFIER(I.used_skills, user.mind.skill_holder, ., I.skill_difficulty, SKILL_ATTACK_MOB, bad_flag)
+		. = user.mind.skill_holder.item_action_skills_mod(., I.skill_difficulty, SKILL_ATTACK_MOB, bad_flag)
 	for(var/skill in I.used_skills)
 		if(!(I.used_skills[skill] & SKILL_TRAIN_ATTACK_MOB))
 			continue
@@ -216,7 +216,7 @@
 		. *= STAM_COST_NO_COMBAT_MULT
 		bad_flag |= SKILL_COMBAT_MODE
 	if(used_skills && user.mind)
-		LIST_SKILL_MODIFIER(used_skills, user.mind.skill_holder, ., skill_difficulty, flags, bad_flag)
+		. = user.mind.skill_holder.item_action_skills_mod(., skill_difficulty, flags, bad_flag, FALSE)
 
 /// How long this staggers for. 0 and negatives supported.
 /obj/item/proc/melee_stagger_duration(force_override)

code/controllers/configuration/entries/game_options.dm

@@ -348,6 +348,11 @@
 	config_entry_value = 16
 	min_val = 0
 
+/datum/config_entry/number/icemoon_budget
+	config_entry_value = 90
+	integer = FALSE
+	min_val = 0
+
 /datum/config_entry/number/station_space_budget
 	config_entry_value = 10
 	min_val = 0

code/controllers/subsystem/mapping.dm

@@ -16,6 +16,8 @@ SUBSYSTEM_DEF(mapping)
 	var/list/ruins_templates = list()
 	var/list/space_ruins_templates = list()
 	var/list/lava_ruins_templates = list()
+	var/list/ice_ruins_templates = list()
+	var/list/ice_ruins_underground_templates = list()
 	var/list/station_ruins_templates = list()
 	var/datum/space_level/isolated_ruins_z //Created on demand during ruin loading.
 
@@ -102,19 +104,32 @@ SUBSYSTEM_DEF(mapping)
 	loading_ruins = TRUE
 	var/list/lava_ruins = levels_by_trait(ZTRAIT_LAVA_RUINS)
 	if (lava_ruins.len)
-		seedRuins(lava_ruins, CONFIG_GET(number/lavaland_budget), /area/lavaland/surface/outdoors/unexplored, lava_ruins_templates)
+		seedRuins(lava_ruins, CONFIG_GET(number/lavaland_budget), list(/area/lavaland/surface/outdoors/unexplored), lava_ruins_templates)
 		for (var/lava_z in lava_ruins)
 			spawn_rivers(lava_z)
 
+	var/list/ice_ruins = levels_by_trait(ZTRAIT_ICE_RUINS)
+	if (ice_ruins.len)
+		// needs to be whitelisted for underground too so place_below ruins work
+		seedRuins(ice_ruins, CONFIG_GET(number/icemoon_budget), list(/area/icemoon/surface/outdoors/unexplored, /area/icemoon/underground/unexplored), ice_ruins_templates)
+		for (var/ice_z in ice_ruins)
+			spawn_rivers(ice_z, 4, /turf/open/openspace/icemoon, /area/icemoon/surface/outdoors/unexplored/rivers)
+
+	var/list/ice_ruins_underground = levels_by_trait(ZTRAIT_ICE_RUINS_UNDERGROUND)
+	if (ice_ruins_underground.len)
+		seedRuins(ice_ruins_underground, CONFIG_GET(number/icemoon_budget), list(/area/icemoon/underground/unexplored), ice_ruins_underground_templates)
+		for (var/ice_z in ice_ruins_underground)
+			spawn_rivers(ice_z, 4, level_trait(ice_z, ZTRAIT_BASETURF), /area/icemoon/underground/unexplored/rivers)
+
 	// Generate deep space ruins
 	var/list/space_ruins = levels_by_trait(ZTRAIT_SPACE_RUINS)
 	if (space_ruins.len)
-		seedRuins(space_ruins, CONFIG_GET(number/space_budget), /area/space, space_ruins_templates)
+		seedRuins(space_ruins, CONFIG_GET(number/space_budget), list(/area/space), space_ruins_templates)
 
 	// Generate station space ruins
 	var/list/station_ruins = levels_by_trait(ZTRAIT_STATION)
 	if (station_ruins.len)
-		seedRuins(station_ruins, CONFIG_GET(number/station_space_budget), /area/space/station_ruins, station_ruins_templates)
+		seedRuins(station_ruins, (SSmapping.config.station_ruin_budget < 0) ? CONFIG_GET(number/station_space_budget) : SSmapping.config.station_ruin_budget, list(/area/space/station_ruins), station_ruins_templates)
 	SSmapping.seedStation()
 	loading_ruins = FALSE
 #endif
@@ -182,6 +197,8 @@ SUBSYSTEM_DEF(mapping)
 	ruins_templates = SSmapping.ruins_templates
 	space_ruins_templates = SSmapping.space_ruins_templates
 	lava_ruins_templates = SSmapping.lava_ruins_templates
+	ice_ruins_templates = SSmapping.ice_ruins_templates
+	ice_ruins_underground_templates = SSmapping.ice_ruins_underground_templates
 	station_ruins_templates = SSmapping.station_ruins_templates
 	shuttle_templates = SSmapping.shuttle_templates
 	shelter_templates = SSmapping.shelter_templates
@@ -196,7 +213,7 @@ SUBSYSTEM_DEF(mapping)
 
 	z_list = SSmapping.z_list
 
-/datum/controller/subsystem/mapping/proc/LoadGroup(list/errorList, name, path, files, list/traits, list/default_traits, silent = FALSE)
+/datum/controller/subsystem/mapping/proc/LoadGroup(list/errorList, name, path, files, list/traits, list/default_traits, silent = FALSE, orientation = SOUTH)
 	. = list()
 	var/start_time = REALTIMEOFDAY
 
@@ -236,7 +253,7 @@ SUBSYSTEM_DEF(mapping)
 	// load the maps
 	for (var/P in parsed_maps)
 		var/datum/parsed_map/pm = P
-		if (!pm.load(1, 1, start_z + parsed_maps[P], no_changeturf = TRUE))
+		if (!pm.load(1, 1, start_z + parsed_maps[P], no_changeturf = TRUE, orientation = orientation))
 			errorList |= pm.original_path
 	if(!silent)
 		INIT_ANNOUNCE("Loaded [name] in [(REALTIMEOFDAY - start_time)/10]s!")
@@ -252,7 +269,7 @@ SUBSYSTEM_DEF(mapping)
 	// load the station
 	station_start = world.maxz + 1
 	INIT_ANNOUNCE("Loading [config.map_name]...")
-	LoadGroup(FailedZs, "Station", config.map_path, config.map_file, config.traits, ZTRAITS_STATION)
+	LoadGroup(FailedZs, "Station", config.map_path, config.map_file, config.traits, ZTRAITS_STATION, FALSE, config.orientation)
 
 	if(SSdbcore.Connect())
 		var/datum/DBQuery/query_round_map_name = SSdbcore.NewQuery("UPDATE [format_table_name("round")] SET map_name = '[config.map_name]' WHERE id = [GLOB.round_id]")
@@ -268,7 +285,7 @@ SUBSYSTEM_DEF(mapping)
 	// load mining
 	if(config.minetype == "lavaland")
 		LoadGroup(FailedZs, "Lavaland", "map_files/Mining", "Lavaland.dmm", default_traits = ZTRAITS_LAVALAND)
-	else if (!isnull(config.minetype))
+	else if (!isnull(config.minetype) && config.minetype != "none")
 		INIT_ANNOUNCE("WARNING: An unknown minetype '[config.minetype]' was set! This is being ignored! Update the maploader code!")
 #endif
 
@@ -372,6 +389,7 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 	// Still supporting bans by filename
 	var/list/banned = generateMapList("[global.config.directory]/lavaruinblacklist.txt")
 	banned += generateMapList("[global.config.directory]/spaceruinblacklist.txt")
+	banned += generateMapList("[global.config.directory]/iceruinblacklist.txt")
 	banned += generateMapList("[global.config.directory]/stationruinblacklist.txt")
 
 	for(var/item in sortList(subtypesof(/datum/map_template/ruin), /proc/cmp_ruincost_priority))
@@ -389,6 +407,10 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 
 		if(istype(R, /datum/map_template/ruin/lavaland))
 			lava_ruins_templates[R.name] = R
+		else if(istype(R, /datum/map_template/ruin/icemoon/underground))
+			ice_ruins_underground_templates[R.name] = R
+		else if(istype(R, /datum/map_template/ruin/icemoon))
+			ice_ruins_templates[R.name] = R
 		else if(istype(R, /datum/map_template/ruin/space))
 			space_ruins_templates[R.name] = R
 		else if(istype(R, /datum/map_template/ruin/station))

code/controllers/subsystem/processing/projectiles.dm

@@ -3,7 +3,6 @@ PROCESSING_SUBSYSTEM_DEF(projectiles)
 	wait = 1
 	stat_tag = "PP"
 	flags = SS_NO_INIT|SS_TICKER
-	var/global_max_tick_moves = 10
 	var/global_pixel_speed = 2
 	var/global_iterations_per_move = 16
 

code/datums/components/crafting/recipes/recipes_misc.dm

@@ -413,15 +413,6 @@
 	subcategory = CAT_MISCELLANEOUS
 	category = CAT_MISC
 
-/datum/crafting_recipe/paperwork
-	name = "Filed Paper Work"
-	result =  /obj/item/folder/paperwork_correct
-	time = 10 //Takes time for people to file and complete paper work!
-	tools = list(/obj/item/pen)
-	reqs = list(/obj/item/folder/paperwork = 1)
-	subcategory = CAT_MISCELLANEOUS
-	category = CAT_MISC
-
 /datum/crafting_recipe/coconut_bong
 	name = "Coconut Bong"
 	result = /obj/item/bong/coconut

code/datums/components/knockback.dm

@@ -1,13 +1,18 @@
 /datum/component/knockback
+	/// distance the atom will be thrown
 	var/throw_distance
+	/// whether this can throw anchored targets (tables, etc)
 	var/throw_anchored
+	/// whether this is a gentle throw (default false means people thrown into walls are stunned / take damage)
+	var/throw_gentle
 
-/datum/component/knockback/Initialize(throw_distance=1)
+/datum/component/knockback/Initialize(throw_distance=1, throw_gentle=FALSE)
 	if(!isitem(parent) && !ishostile(parent) && !isgun(parent) && !ismachinery(parent) && !isstructure(parent))
 		return COMPONENT_INCOMPATIBLE
 
 	src.throw_distance = throw_distance
 	src.throw_anchored = throw_anchored
+	src.throw_gentle = throw_gentle
 
 /datum/component/knockback/RegisterWithParent()
 	. = ..()
@@ -22,17 +27,29 @@
 	. = ..()
 	UnregisterSignal(parent, list(COMSIG_ITEM_AFTERATTACK, COMSIG_HOSTILE_ATTACKINGTARGET, COMSIG_PROJECTILE_ON_HIT))
 
+/// triggered after an item attacks something
 /datum/component/knockback/proc/item_afterattack(obj/item/source, atom/target, mob/user, proximity_flag, click_parameters)
 	if(!proximity_flag)
 		return
 	do_knockback(target, user, get_dir(source, target))
 
+/// triggered after a hostile simplemob attacks something
 /datum/component/knockback/proc/hostile_attackingtarget(mob/living/simple_animal/hostile/attacker, atom/target)
 	do_knockback(target, attacker, get_dir(attacker, target))
 
+/// triggered after a projectile hits something
 /datum/component/knockback/proc/projectile_hit(atom/fired_from, atom/movable/firer, atom/target, Angle)
 	do_knockback(target, null, angle2dir(Angle))
 
+
+/**
+  * Throw a target in a direction
+  *
+  * Arguments:
+  * * target - Target atom to throw
+  * * thrower - Thing that caused this atom to be thrown
+  * * throw_dir - Direction to throw the atom
+  */
 /datum/component/knockback/proc/do_knockback(atom/target, mob/thrower, throw_dir)
 	if(!ismovable(target) || throw_dir == null)
 		return
@@ -43,4 +60,4 @@
 		throw_dir = turn(throw_dir, 180)
 		throw_distance *= -1
 	var/atom/throw_target = get_edge_target_turf(throwee, throw_dir)
-	throwee.safe_throw_at(throw_target, throw_distance, 1, thrower)
+	throwee.safe_throw_at(throw_target, throw_distance, 1, thrower)		//, gentle = throw_gentle)

code/datums/components/mood.dm

@@ -1,5 +1,6 @@
 #define MINOR_INSANITY_PEN 5
 #define MAJOR_INSANITY_PEN 10
+#define MOOD_INSANITY_MALUS 0.0054 // per point of sanity below SANITY_DISTURBED, a 40% debuff to skills at rock bottom depression.
 
 /datum/component/mood
 	var/mood //Real happiness
@@ -22,7 +23,6 @@
 	RegisterSignal(parent, COMSIG_CLEAR_MOOD_EVENT, .proc/clear_event)
 	RegisterSignal(parent, COMSIG_MODIFY_SANITY, .proc/modify_sanity)
 	RegisterSignal(parent, COMSIG_LIVING_REVIVE, .proc/on_revive)
-
 	RegisterSignal(parent, COMSIG_MOB_HUD_CREATED, .proc/modify_hud)
 	var/mob/living/owner = parent
 	if(owner.hud_used)
@@ -150,7 +150,7 @@
 		if(8)
 			setSanity(sanity+0.25, maximum=SANITY_GREAT)
 		if(9)
-			setSanity(sanity+0.4, maximum=SANITY_GREAT)
+			setSanity(sanity+0.4, maximum=SANITY_AMAZING)
 
 	HandleNutrition(owner)
 
@@ -166,6 +166,7 @@
 	else if(sanity > maximum && amount > sanity - 0.5)
 		amount = sanity - 0.5
 
+	var/old_sanity = sanity
 	// Disturbed stops you from getting any more sane
 	if(HAS_TRAIT(master, TRAIT_UNSTABLE))
 		sanity = min(amount,sanity)
@@ -197,6 +198,12 @@
 			setInsanityEffect(0)
 			master.remove_movespeed_modifier(MOVESPEED_ID_SANITY)
 			sanity_level = 1
+
+	if(old_sanity > 1 && sanity == 1)
+		RegisterSignal(master, COMSIG_MOB_SKILL_GET_AFFINITY, .proc/on_get_skill_affinity)
+	else if(old_sanity == 1 && sanity < 1)
+		UnregisterSignal(master, COMSIG_MOB_SKILL_GET_AFFINITY)
+
 	//update_mood_icon()
 
 /datum/component/mood/proc/setInsanityEffect(newval)//More code so that the previous proc works
@@ -205,8 +212,13 @@
 	//var/mob/living/master = parent
 	//master.crit_threshold = (master.crit_threshold - insanity_effect) + newval
 	insanity_effect = newval
+	if(insanity_effect)
+		RegisterSignal(parent, COMSIG_MOB_ACTION_SKILL_MOD, .proc/on_mob_action_skill_mod)
+		RegisterSignal(parent, COMSIG_MOB_ITEM_ACTION_SKILLS_MOD, .proc/on_item_action_skills_mod)
+	else
+		UnregisterSignal(parent, list(COMSIG_MOB_ACTION_SKILL_MOD, COMSIG_MOB_ITEM_ACTION_SKILLS_MOD))
 
-/datum/component/mood/proc/modify_sanity(datum/source, amount, minimum = -INFINITY, maximum = INFINITY)
+/datum/component/mood/proc/modify_sanity(datum/source, amount, minimum = SANITY_INSANE, maximum = SANITY_AMAZING)
 	setSanity(sanity + amount, minimum, maximum)
 
 /datum/component/mood/proc/add_event(datum/source, category, type, param) //Category will override any events in the same category, should be unique unless the event is based on the same thing like hunger.
@@ -288,5 +300,39 @@
 	remove_temp_moods()
 	setSanity(initial(sanity))
 
+/datum/component/mood/proc/on_mob_action_skill_mod(mob/source, list/skill_args, list/mod_values)
+	var/datum/skill/S = GLOB.skill_datums[skill_args[ACTION_SKILL_MOD_SKILL]]
+	if(!(S.skill_flags & SKILL_USE_MOOD))
+		return
+	var/debuff = 1 - (SANITY_DISTURBED - sanity) * MOOD_INSANITY_MALUS
+	mod_values[MOD_VALUES_SKILL_MOD] *= skill_args[ACTION_SKILL_MOD_IS_MULTI] ? debuff : 1/debuff
+
+/datum/component/mood/proc/on_item_action_skills_mod(mob/source, list/skill_args, list/mod_values)
+	if(skill_args[ITEM_SKILLS_MOD_BAD_FLAGS] & SKILL_USE_MOOD)
+		return
+	var/divisor = mod_values[MOD_VALUES_ITEM_SKILLS_DIV]
+	if(!divisor)
+		return
+	var/obj/item/I = skill_args[ITEM_SKILLS_MOD_ITEM]
+	var/list/L = mod_values[MOD_VALUES_ITEM_SKILLS_CHECKED]
+	var/skills_len = length(L)
+	var/affected_skills = skills_len
+	for(var/k in L)
+		var/datum/skill/S = k
+		var/our_flags = I.used_skills[S.type]|S.skill_flags
+		if(!(our_flags & SKILL_USE_MOOD))
+			affected_skills--
+	if(!affected_skills)
+		return
+	var/debuff = 1 - (SANITY_DISTURBED - sanity) * MOOD_INSANITY_MALUS * (affected_skills/skills_len)
+	mod_values[MOD_VALUES_ITEM_SKILLS_SUM] *= skill_args[ITEM_SKILLS_MOD_IS_MULTI] ? debuff : 1/debuff
+
+/datum/component/mood/proc/on_get_skill_affinity(mob/source, skill_path, list/return_value)
+	var/datum/skill/S = GLOB.skill_datums[skill_path]
+	if(!S || !(S.skill_flags & SKILL_TRAIN_MOOD))
+		return
+	return_value[1] *= SKILL_AFFINITY_MOOD_BONUS
+
 #undef MINOR_INSANITY_PEN
 #undef MAJOR_INSANITY_PEN
+#undef MOOD_INSANITY_MALUS

code/datums/components/riding.dm

@@ -20,6 +20,8 @@
 	var/ride_check_ridden_incapacitated = FALSE
 	var/list/offhands = list() // keyed list containing all the current riding offsets associated by mob
 
+	var/del_on_unbuckle_all = FALSE
+
 /datum/component/riding/Initialize()
 	if(!ismovable(parent))
 		return COMPONENT_INCOMPATIBLE
@@ -28,8 +30,11 @@
 	RegisterSignal(parent, COMSIG_MOVABLE_MOVED, .proc/vehicle_moved)
 
 /datum/component/riding/proc/vehicle_mob_unbuckle(datum/source, mob/living/M, force = FALSE)
+	var/atom/movable/AM = parent
 	restore_position(M)
 	unequip_buckle_inhands(M)
+	if(del_on_unbuckle_all && !AM.has_buckled_mobs())
+		qdel(src)
 
 /datum/component/riding/proc/vehicle_mob_buckle(datum/source, mob/living/M, force = FALSE)
 	handle_vehicle_offsets()
@@ -194,6 +199,7 @@
 
 ///////Yes, I said humans. No, this won't end well...//////////
 /datum/component/riding/human
+	del_on_unbuckle_all = TRUE
 	var/fireman_carrying = FALSE
 
 /datum/component/riding/human/Initialize()
@@ -261,6 +267,7 @@
 	user.visible_message("<span class='warning'>[AM] pushes [user] off of [AM.p_them()]!</span>")
 
 /datum/component/riding/cyborg
+	del_on_unbuckle_all = TRUE
 
 /datum/component/riding/cyborg/Initialize()
 	. = ..()

code/datums/elements/dusts_on_leaving_area.dm

@@ -1,28 +1,20 @@
 /datum/element/dusts_on_leaving_area
 	element_flags = ELEMENT_DETACH | ELEMENT_BESPOKE
 	id_arg_index = 2
-	var/list/attached_mobs = list()
 	var/list/area_types = list()
 
 /datum/element/dusts_on_leaving_area/Attach(datum/target,types)
 	. = ..()
 	if(!ismob(target))
 		return ELEMENT_INCOMPATIBLE
-	attached_mobs += target
 	area_types = types
-	START_PROCESSING(SSprocessing,src)
+	RegisterSignal(target,COMSIG_ENTER_AREA,.proc/check_dust)
 
 /datum/element/dusts_on_leaving_area/Detach(mob/M)
 	. = ..()
-	if(M in attached_mobs)
-		attached_mobs -= M
-	if(!attached_mobs.len)
-		STOP_PROCESSING(SSprocessing,src)
+	UnregisterSignal(M,COMSIG_ENTER_AREA)
 
-/datum/element/dusts_on_leaving_area/process()
-	for(var/m in attached_mobs)
-		var/mob/M = m
-		var/area/A = get_area(M)
-		if(!(A.type in area_types))
-			M.dust(force = TRUE)
-			Detach(M)
+/datum/element/dusts_on_leaving_area/proc/check_dust(datum/source, area/A)
+	var/mob/M = source
+	if(istype(M) && !(A.type in area_types))
+		M.dust(force = TRUE)

code/datums/elements/snail_crawl.dm

@@ -0,0 +1,31 @@
+/datum/element/snailcrawl
+	element_flags = ELEMENT_DETACH
+
+/datum/element/snailcrawl/Attach(datum/target)
+	. = ..()
+	if(!ismovable(target))
+		return ELEMENT_INCOMPATIBLE
+	var/P
+	if(iscarbon(target))
+		P = .proc/snail_crawl
+	else
+		P = .proc/lubricate
+	RegisterSignal(target, COMSIG_MOVABLE_MOVED, P)
+
+/datum/element/snailcrawl/Detach(mob/living/carbon/target)
+	. = ..()
+	UnregisterSignal(target, COMSIG_MOVABLE_MOVED)
+	if(istype(target))
+		target.remove_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+
+/datum/element/snailcrawl/proc/snail_crawl(mob/living/carbon/snail)
+	if(snail.resting && !snail.buckled && lubricate(snail))
+		snail.add_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+	else
+		snail.remove_movespeed_modifier(/datum/movespeed_modifier/snail_crawl)
+
+/datum/element/snailcrawl/proc/lubricate(atom/movable/snail)
+	var/turf/open/OT = get_turf(snail)
+	if(istype(OT))
+		OT.MakeSlippery(TURF_WET_LUBE, 20)
+		return TRUE

code/datums/ruins/icemoon.dm

@@ -0,0 +1,112 @@
+// Hey! Listen! Update \config\iceruinblacklist.txt with your new ruins!
+
+/datum/map_template/ruin/icemoon
+	prefix = "_maps/RandomRuins/IceRuins/"
+	allow_duplicates = FALSE
+	cost = 5
+
+// above ground only
+
+/datum/map_template/ruin/icemoon/lust
+	name = "Ruin of Lust"
+	id = "lust"
+	description = "Not exactly what you expected."
+	suffix = "icemoon_surface_lust.dmm"
+
+/datum/map_template/ruin/icemoon/asteroid
+	name = "Asteroid Site"
+	id = "asteroidsite"
+	description = "Surprised to see us here?"
+	suffix = "icemoon_surface_asteroid.dmm"
+
+/datum/map_template/ruin/icemoon/hotsprings
+	name = "Hot Springs"
+	id = "hotsprings"
+	description = "Just relax and take a dip, nothing will go wrong, I swear!"
+	suffix = "icemoon_surface_hotsprings.dmm"
+
+/datum/map_template/ruin/icemoon/engioutpost
+	name = "Engineer Outpost"
+	id = "engioutpost"
+	description = "Blown up by an unfortunate accident."
+	suffix = "icemoon_surface_engioutpost.dmm"
+
+/datum/map_template/ruin/icemoon/fountain
+	name = "Fountain Hall"
+	id = "fountain"
+	description = "The fountain has a warning on the side. DANGER: May have undeclared side effects that only become obvious when implemented."
+	prefix = "_maps/RandomRuins/AnywhereRuins/"
+	suffix = "fountain_hall.dmm"
+
+// above and below ground together
+
+/datum/map_template/ruin/icemoon/mining_site
+	name = "Mining Site"
+	id = "miningsite"
+	description = "Ruins of a site where people once mined with primitive tools for ore."
+	suffix = "icemoon_surface_mining_site.dmm"
+	always_place = TRUE
+	always_spawn_with = list(/datum/map_template/ruin/icemoon/underground/mining_site_below = PLACE_BELOW)
+
+/datum/map_template/ruin/icemoon/underground/mining_site_below
+	name = "Mining Site Underground"
+	id = "miningsite-underground"
+	description = "Who knew ladders could be so useful?"
+	suffix = "icemoon_underground_mining_site.dmm"
+	unpickable = TRUE
+
+// below ground only
+
+/datum/map_template/ruin/icemoon/underground
+	name = "underground ruin"
+
+/datum/map_template/ruin/icemoon/underground/abandonedvillage
+	name = "Abandoned Village"
+	id = "abandonedvillage"
+	description = "Who knows what lies within?"
+	suffix = "icemoon_underground_abandoned_village.dmm"
+
+/datum/map_template/ruin/icemoon/underground/library
+	name = "Buried Library"
+	id = "buriedlibrary"
+	description = "A once grand library, now lost to the confines of the Ice Moon."
+	suffix = "icemoon_underground_library.dmm"
+
+/datum/map_template/ruin/icemoon/underground/wrath
+	name = "Ruin of Wrath"
+	id = "wrath"
+	description = "You'll fight and fight and just keep fighting."
+	suffix = "icemoon_underground_wrath.dmm"
+
+/datum/map_template/ruin/icemoon/underground/lavaland
+	name = "Lavaland Site"
+	id = "lavalandsite"
+	description = "I guess we never really left you huh?"
+	suffix = "icemoon_underground_lavaland.dmm"
+
+/datum/map_template/ruin/icemoon/underground/puzzle
+	name = "Ancient Puzzle"
+	id = "puzzle"
+	description = "Mystery to be solved."
+	suffix = "icemoon_underground_puzzle.dmm"
+
+/datum/map_template/ruin/icemoon/underground/bathhouse
+	name = "Bath House"
+	id = "bathhouse"
+	description = "A taste of paradise, locked in the hell of the Ice Moon."
+	suffix = "icemoon_underground_bathhouse.dmm"
+
+/datum/map_template/ruin/icemoon/underground/wendigo_cave
+	name = "Wendigo Cave"
+	id = "wendigocave"
+	description = "Into the jaws of the beast."
+	suffix = "icemoon_underground_wendigo_cave.dmm"
+
+/datum/map_template/ruin/icemoon/underground/free_golem
+	name = "Free Golem Ship"
+	id = "golem-ship"
+	description = "Lumbering humanoids, made out of precious metals, move inside this ship. They frequently leave to mine more minerals, which they somehow turn into more of them. \
+	Seem very intent on research and individual liberty, and also geology-based naming?"
+	prefix = "_maps/RandomRuins/AnywhereRuins/"
+	suffix = "golem_ship.dmm"
+	allow_duplicates = FALSE

code/datums/ruins/lavaland.dm

@@ -67,7 +67,8 @@
 	description = "Lumbering humanoids, made out of precious metals, move inside this ship. They frequently leave to mine more minerals, which they somehow turn into more of them. \
 	Seem very intent on research and individual liberty, and also geology based naming?"
 	cost = 20
-	suffix = "lavaland_surface_golem_ship.dmm"
+	prefix = "_maps/RandomRuins/AnywhereRuins/"
+	suffix = "golem_ship.dmm"
 	allow_duplicates = FALSE
 
 /datum/map_template/ruin/lavaland/animal_hospital
@@ -175,7 +176,8 @@
 	name = "Fountain Hall"
 	id = "fountain"
 	description = "The fountain has a warning on the side. DANGER: May have undeclared side effects that only become obvious when implemented."
-	suffix = "lavaland_surface_fountain_hall.dmm"
+	prefix = "_maps/RandomRuins/AnywhereRuins/"
+	suffix = "fountain_hall.dmm"
 	cost = 5
 	allow_duplicates = FALSE
 

code/datums/shuttles.dm

@@ -23,14 +23,14 @@
 	mappath = "[prefix][shuttle_id].dmm"
 	. = ..()
 
-/datum/map_template/shuttle/preload_size(path, cache)
+/datum/map_template/shuttle/preload_size(path = mappath, force_cache = FALSE)
 	. = ..(path, TRUE) // Done this way because we still want to know if someone actualy wanted to cache the map
 	if(!cached_map)
 		return
 
 	discover_port_offset()
 
-	if(!cache)
+	if(!cached_map)
 		cached_map = null
 
 /datum/map_template/shuttle/proc/discover_port_offset()
@@ -53,12 +53,11 @@
 				++xcrd
 			--ycrd
 
-/datum/map_template/shuttle/load(turf/T, centered, register=TRUE)
+/datum/map_template/shuttle/load(turf/T, centered = FALSE, orientation = SOUTH, annihilate = default_annihilate, force_cache = FALSE, rotate_placement_to_orientation = FALSE, register = TRUE)
 	. = ..()
 	if(!.)
 		return
-	var/list/turfs = block(	locate(.[MAP_MINX], .[MAP_MINY], .[MAP_MINZ]),
-							locate(.[MAP_MAXX], .[MAP_MAXY], .[MAP_MAXZ]))
+	var/list/turfs = get_last_loaded_turf_block()
 	for(var/i in 1 to turfs.len)
 		var/turf/place = turfs[i]
 		if(istype(place, /turf/open/space)) // This assumes all shuttles are loaded in a single spot then moved to their real destination.

code/datums/skills/_skill.dm

@@ -37,6 +37,8 @@ GLOBAL_LIST_INIT_TYPED(skill_datums, /datum/skill, init_skill_datums())
 	var/list/competency_thresholds = list(0, 0, 0)
 	/// Multiplier of the difference of the holder skill value and the selected threshold.
 	var/list/competency_mults = list(0, 0, 0)
+	/// In which way this skil can affect or be affected through actions.
+	var/skill_flags = SKILL_USE_MOOD|SKILL_TRAIN_MOOD
 
 /**
   * Ensures what someone's setting as a value for this skill is valid.

code/datums/skills/_skill_holder.dm

@@ -39,12 +39,16 @@
   * Grabs our affinity for a skill. !!This is a multiplier!!
   */
 /datum/skill_holder/proc/get_skill_affinity(skill)
+	. = 1
 	if(!ispath(skill, /datum/skill))
 		CRASH("Invalid get_skill_affinity call. Use skill typepaths.")	//until a time when we somehow need text ids for dynamic skills, I'm enforcing this.
 	var/affinity = LAZYACCESS(skill_affinities, skill)
-	if(isnull(affinity))
-		return 1
-	return affinity
+	if(!isnull(affinity))
+		. = affinity
+	var/list/wrapped = list(.)
+	SEND_SIGNAL(owner.current, COMSIG_MOB_SKILL_GET_AFFINITY, skill, wrapped)
+	. = wrapped[1]
+
 
 /**
   * Sets the value of a skill.
@@ -89,6 +93,70 @@
 			return
 	boost_skill_value_to(skill, target_value, silent)
 
+/**
+  * Generic value modifier proc that uses one skill.
+  * Args:
+  * * value : the value to modify, may be a delay, damage, probability.
+  * * threshold : The difficulty of the action, in short. Refer to __DEFINES/skills/defines.dm for the defines.
+  * * modifier_is_multiplier : wheter the modifier is a multiplier or a divisor.
+  */
+/datum/skill_holder/proc/action_skills_mod(skill, value, threshold, modifier_is_multiplier = TRUE)
+	var/mod
+	var/datum/skill/S = GLOB.skill_datums[skill]
+	if(!S)
+		return
+	switch(S.progression_type)
+		if(SKILL_PROGRESSION_LEVEL)
+			mod = LAZYACCESS(skill_levels, S.type)
+		else
+			mod = LAZYACCESS(skills, S.type)
+	mod = (1+(mod-S.competency_thresholds[threshold])*S.competency_mults[threshold])
+
+	var/list/comsig_values = list(mod)
+	SEND_SIGNAL(owner.current, COMSIG_MOB_ACTION_SKILL_MOD, args, comsig_values)
+	mod = comsig_values[MOD_VALUES_SKILL_MOD]
+
+	. = modifier_is_multiplier ? value*mod : value/mod
+
+/**
+  * Generic value modifier proc that uses several skills, intended for items.
+  * Args:
+  * * item/I : the item used in this action. its used_skills list variable contains the skills exercised with it.
+  * * value : the value to modify, may be a delay, damage, probability.
+  * * flags : the required flags that each skill (either in I.used_skills or the skill datum skill_flags) must have to influence
+  * * 			the value.
+  * * bad_flags : the opposite of the above, skills that must not be present to impact the value.
+  * * modifier_is_multiplier : wheter the modifier is a multiplier or a divisor.
+  */
+/datum/skill_holder/proc/item_action_skills_mod(obj/item/I, value, flags = NONE, bad_flags = NONE, modifier_is_multiplier = TRUE)
+	. = value
+	var/sum = 0
+	var/divisor = 0
+	var/list/checked_skills
+	for(var/k in I.used_skills)
+		var/datum/skill/S = GLOB.skill_datums[k]
+		if(!S)
+			continue
+		var/our_flags = (I.used_skills[k]|S.skill_flags)
+		if((flags && !(our_flags & flags)) || (bad_flags && our_flags & bad_flags))
+			continue
+		var/mod
+		switch(S.progression_type)
+			if(SKILL_PROGRESSION_LEVEL)
+				mod = LAZYACCESS(skill_levels, S.type)
+			else
+				mod = LAZYACCESS(skills, S.type)
+		sum += 1+(mod - S.competency_thresholds[I.skill_difficulty])*S.competency_mults[I.skill_difficulty]
+		LAZYADD(checked_skills, S)
+
+	var/list/comsig_values = list(sum, divisor, checked_skills)
+	SEND_SIGNAL(owner.current, COMSIG_MOB_ITEM_ACTION_SKILLS_MOD, args, comsig_values)
+	sum = comsig_values[MOD_VALUES_ITEM_SKILLS_SUM]
+	divisor = comsig_values[MOD_VALUES_ITEM_SKILLS_DIV]
+
+	if(divisor)
+		. = modifier_is_multiplier ? value*(sum/divisor) : value/(sum/divisor)
+
 /**
   * Generates a HTML readout of our skills.
   * Port to tgui-next when?

code/datums/skills/engineering.dm

@@ -2,3 +2,4 @@
 	name = "Wiring"
 	desc = "How proficient and knowledged you are at wiring beyond laying cables on the floor."
 	competency_thresholds = list(JOB_SKILL_BASIC, JOB_SKILL_EXPERT, JOB_SKILL_MASTER)
+	skill_flags = SKILL_USE_MOOD|SKILL_TRAIN_MOOD|SKILL_USE_TOOL|SKILL_TRAINING_TOOL

code/datums/status_effects/buffs.dm

@@ -550,3 +550,30 @@
 			else if(isanimal(L))
 				var/mob/living/simple_animal/SM = L
 				SM.adjustHealth(-3.5, forced = TRUE)
+
+/obj/screen/alert/status_effect/regenerative_core
+	name = "Reinforcing Tendrils"
+	desc = "You can move faster than your broken body could normally handle!"
+	icon_state = "regenerative_core"
+	name = "Regenerative Core Tendrils"
+
+/datum/status_effect/regenerative_core
+	id = "Regenerative Core"
+	duration = 1 MINUTES
+	status_type = STATUS_EFFECT_REPLACE
+	alert_type = /obj/screen/alert/status_effect/regenerative_core
+
+/datum/status_effect/regenerative_core/on_apply()
+	. = ..()
+	ADD_TRAIT(owner, TRAIT_IGNOREDAMAGESLOWDOWN, "regenerative_core")
+	owner.adjustBruteLoss(-25)
+	if(!AmBloodsucker(owner))	//use your coffin you lazy bastard
+		owner.adjustFireLoss(-25)
+	owner.remove_CC()
+	owner.bodytemperature = BODYTEMP_NORMAL
+	return TRUE
+
+/datum/status_effect/regenerative_core/on_remove()
+	. = ..()
+	REMOVE_TRAIT(owner, TRAIT_IGNOREDAMAGESLOWDOWN, "regenerative_core")
+	owner.updatehealth()

code/datums/status_effects/debuffs.dm

@@ -391,78 +391,34 @@
 	owner.underlays -= marked_underlay //if this is being called, we should have an owner at this point.
 	..()
 
-/datum/status_effect/saw_bleed
+/datum/status_effect/stacking/saw_bleed
 	id = "saw_bleed"
-	duration = -1 //removed under specific conditions
 	tick_interval = 6
-	alert_type = null
-	var/mutable_appearance/bleed_overlay
-	var/mutable_appearance/bleed_underlay
-	var/bleed_amount = 3
-	var/bleed_buildup = 3
-	var/delay_before_decay = 5
+	delay_before_decay = 5
+	stack_threshold = 10
+	max_stacks = 10
+	overlay_file = 'icons/effects/bleed.dmi'
+	underlay_file = 'icons/effects/bleed.dmi'
+	overlay_state = "bleed"
+	underlay_state = "bleed"
 	var/bleed_damage = 200
-	var/needs_to_bleed = FALSE
 
-/datum/status_effect/saw_bleed/Destroy()
-	if(owner)
-		owner.cut_overlay(bleed_overlay)
-		owner.underlays -= bleed_underlay
-	QDEL_NULL(bleed_overlay)
-	return ..()
+/datum/status_effect/stacking/saw_bleed/fadeout_effect()
+	new /obj/effect/temp_visual/bleed(get_turf(owner))
 
-/datum/status_effect/saw_bleed/on_apply()
-	if(owner.stat == DEAD)
-		return FALSE
-	bleed_overlay = mutable_appearance('icons/effects/bleed.dmi', "bleed[bleed_amount]")
-	bleed_underlay = mutable_appearance('icons/effects/bleed.dmi', "bleed[bleed_amount]")
-	var/icon/I = icon(owner.icon, owner.icon_state, owner.dir)
-	var/icon_height = I.Height()
-	bleed_overlay.pixel_x = -owner.pixel_x
-	bleed_overlay.pixel_y = FLOOR(icon_height * 0.25, 1)
-	bleed_overlay.transform = matrix() * (icon_height/world.icon_size) //scale the bleed overlay's size based on the target's icon size
-	bleed_underlay.pixel_x = -owner.pixel_x
-	bleed_underlay.transform = matrix() * (icon_height/world.icon_size) * 3
-	bleed_underlay.alpha = 40
-	owner.add_overlay(bleed_overlay)
-	owner.underlays += bleed_underlay
-	return ..()
+/datum/status_effect/stacking/saw_bleed/threshold_cross_effect()
+	owner.adjustBruteLoss(bleed_damage)
+	var/turf/T = get_turf(owner)
+	new /obj/effect/temp_visual/bleed/explode(T)
+	for(var/d in GLOB.alldirs)
+		new /obj/effect/temp_visual/dir_setting/bloodsplatter(T, d)
+	playsound(T, "desceration", 100, TRUE, -1)
 
-/datum/status_effect/saw_bleed/tick()
-	if(owner.stat == DEAD)
-		qdel(src)
-	else
-		add_bleed(-1)
-
-/datum/status_effect/saw_bleed/proc/add_bleed(amount)
-	owner.cut_overlay(bleed_overlay)
-	owner.underlays -= bleed_underlay
-	bleed_amount += amount
-	if(bleed_amount)
-		if(bleed_amount >= 10)
-			needs_to_bleed = TRUE
-			qdel(src)
-		else
-			if(amount > 0)
-				tick_interval += delay_before_decay
-			bleed_overlay.icon_state = "bleed[bleed_amount]"
-			bleed_underlay.icon_state = "bleed[bleed_amount]"
-			owner.add_overlay(bleed_overlay)
-			owner.underlays += bleed_underlay
-	else
-		qdel(src)
-
-/datum/status_effect/saw_bleed/on_remove()
-	. = ..()
-	if(needs_to_bleed)
-		var/turf/T = get_turf(owner)
-		new /obj/effect/temp_visual/bleed/explode(T)
-		for(var/d in GLOB.alldirs)
-			new /obj/effect/temp_visual/dir_setting/bloodsplatter(T, d)
-		playsound(T, "desceration", 200, 1, -1)
-		owner.adjustBruteLoss(bleed_damage)
-	else
-		new /obj/effect/temp_visual/bleed(get_turf(owner))
+/datum/status_effect/stacking/saw_bleed/bloodletting
+	id = "bloodletting"
+	stack_threshold = 7
+	max_stacks = 7
+	bleed_damage = 20
 
 /datum/status_effect/neck_slice
 	id = "neck_slice"

code/datums/status_effects/status_effect.dm

@@ -7,7 +7,6 @@
 	var/duration = -1 //How long the status effect lasts in DECISECONDS. Enter -1 for an effect that never ends unless removed through some means.
 	var/tick_interval = 10 //How many deciseconds between ticks, approximately. Leave at 10 for every second.
 	var/mob/living/owner //The mob affected by the status effect.
-	var/status_type = STATUS_EFFECT_UNIQUE //How many of the effect can be on one mob, and what happens when you try to add another
 	var/on_remove_on_mob_delete = FALSE //if we call on_remove() when the mob is deleted
 	var/examine_text //If defined, this text will appear when the mob is examined - to use he, she etc. use "SUBJECTPRONOUN" and replace it in the examines themselves
 	var/alert_type = /obj/screen/alert/status_effect //the alert thrown by the status effect, contains name and description
@@ -16,6 +15,8 @@
 	/// If this is TRUE, the user will have sprint forcefully disabled while this is active.
 	var/blocks_sprint = FALSE
 	var/obj/screen/alert/status_effect/linked_alert = null //the alert itself, if it exists
+	/// How many of the effect can be on one mob, and what happens when you try to add another
+	var/status_type = STATUS_EFFECT_UNIQUE
 
 /datum/status_effect/New(list/arguments)
 	on_creation(arglist(arguments))
@@ -67,6 +68,9 @@
 
 /datum/status_effect/proc/tick() //Called every tick.
 
+/datum/status_effect/proc/before_remove() //! Called before being removed; returning FALSE will cancel removal
+	return TRUE
+
 /datum/status_effect/proc/on_remove() //Called whenever the buff expires or is removed; do note that at the point this is called, it is out of the owner's status_effects but owner is not yet null
 	SHOULD_CALL_PARENT(TRUE)
 	REMOVE_TRAIT(owner, TRAIT_COMBAT_MODE_LOCKED, src)
@@ -123,12 +127,13 @@
 	S1 = new effect(arguments)
 	. = S1
 
-/mob/living/proc/remove_status_effect(effect) //removes all of a given status effect from this mob, returning TRUE if at least one was removed
+/mob/living/proc/remove_status_effect(effect, ...) //removes all of a given status effect from this mob, returning TRUE if at least one was removed
 	. = FALSE
+	var/list/arguments = args.Copy(2)
 	if(status_effects)
 		var/datum/status_effect/S1 = effect
 		for(var/datum/status_effect/S in status_effects)
-			if(initial(S1.id) == S.id)
+			if(initial(S1.id) == S.id && S.before_remove(arguments))
 				qdel(S)
 				. = TRUE
 
@@ -147,3 +152,129 @@
 		for(var/datum/status_effect/S in status_effects)
 			if(initial(S1.id) == S.id)
 				. += S
+
+//////////////////////
+// STACKING EFFECTS //
+//////////////////////
+
+/datum/status_effect/stacking
+	id = "stacking_base"
+	duration = -1 //removed under specific conditions
+	alert_type = null
+	var/stacks = 0 //how many stacks are accumulated, also is # of stacks that target will have when first applied
+	var/delay_before_decay //deciseconds until ticks start occuring, which removes stacks (first stack will be removed at this time plus tick_interval)
+	tick_interval = 10 //deciseconds between decays once decay starts
+	var/stack_decay = 1 //how many stacks are lost per tick (decay trigger)
+	var/stack_threshold //special effects trigger when stacks reach this amount
+	var/max_stacks //stacks cannot exceed this amount
+	var/consumed_on_threshold = TRUE //if status should be removed once threshold is crossed
+	var/threshold_crossed = FALSE //set to true once the threshold is crossed, false once it falls back below
+	var/overlay_file
+	var/underlay_file
+	var/overlay_state // states in .dmi must be given a name followed by a number which corresponds to a number of stacks. put the state name without the number in these state vars
+	var/underlay_state // the number is concatonated onto the string based on the number of stacks to get the correct state name
+	var/mutable_appearance/status_overlay
+	var/mutable_appearance/status_underlay
+
+/datum/status_effect/stacking/proc/threshold_cross_effect() //what happens when threshold is crossed
+
+/datum/status_effect/stacking/proc/stacks_consumed_effect() //runs if status is deleted due to threshold being crossed
+
+/datum/status_effect/stacking/proc/fadeout_effect() //runs if status is deleted due to being under one stack
+
+/datum/status_effect/stacking/proc/stack_decay_effect() //runs every time tick() causes stacks to decay
+
+/datum/status_effect/stacking/proc/on_threshold_cross()
+	threshold_cross_effect()
+	if(consumed_on_threshold)
+		stacks_consumed_effect()
+		qdel(src)
+
+/datum/status_effect/stacking/proc/on_threshold_drop()
+
+/datum/status_effect/stacking/proc/can_have_status()
+	return owner.stat != DEAD
+
+/datum/status_effect/stacking/proc/can_gain_stacks()
+	return owner.stat != DEAD
+
+/datum/status_effect/stacking/tick()
+	if(!can_have_status())
+		qdel(src)
+	else
+		add_stacks(-stack_decay)
+		stack_decay_effect()
+
+/datum/status_effect/stacking/proc/add_stacks(stacks_added)
+	if(stacks_added > 0 && !can_gain_stacks())
+		return FALSE
+	owner.cut_overlay(status_overlay)
+	owner.underlays -= status_underlay
+	stacks += stacks_added
+	if(stacks > 0)
+		if(stacks >= stack_threshold && !threshold_crossed) //threshold_crossed check prevents threshold effect from occuring if changing from above threshold to still above threshold
+			threshold_crossed = TRUE
+			on_threshold_cross()
+			if(consumed_on_threshold)
+				return
+		else if(stacks < stack_threshold && threshold_crossed)
+			threshold_crossed = FALSE //resets threshold effect if we fall below threshold so threshold effect can trigger again
+			on_threshold_drop()
+		if(stacks_added > 0)
+			tick_interval += delay_before_decay //refreshes time until decay
+		stacks = min(stacks, max_stacks)
+		status_overlay.icon_state = "[overlay_state][stacks]"
+		status_underlay.icon_state = "[underlay_state][stacks]"
+		owner.add_overlay(status_overlay)
+		owner.underlays += status_underlay
+	else
+		fadeout_effect()
+		qdel(src) //deletes status if stacks fall under one
+
+/datum/status_effect/stacking/on_creation(mob/living/new_owner, stacks_to_apply)
+	. = ..()
+	if(.)
+		add_stacks(stacks_to_apply)
+
+/datum/status_effect/stacking/on_apply()
+	if(!can_have_status())
+		return FALSE
+	status_overlay = mutable_appearance(overlay_file, "[overlay_state][stacks]")
+	status_underlay = mutable_appearance(underlay_file, "[underlay_state][stacks]")
+	var/icon/I = icon(owner.icon, owner.icon_state, owner.dir)
+	var/icon_height = I.Height()
+	status_overlay.pixel_x = -owner.pixel_x
+	status_overlay.pixel_y = FLOOR(icon_height * 0.25, 1)
+	status_overlay.transform = matrix() * (icon_height/world.icon_size) //scale the status's overlay size based on the target's icon size
+	status_underlay.pixel_x = -owner.pixel_x
+	status_underlay.transform = matrix() * (icon_height/world.icon_size) * 3
+	status_underlay.alpha = 40
+	owner.add_overlay(status_overlay)
+	owner.underlays += status_underlay
+	return ..()
+
+/datum/status_effect/stacking/Destroy()
+	if(owner)
+		owner.cut_overlay(status_overlay)
+		owner.underlays -= status_underlay
+	QDEL_NULL(status_overlay)
+	return ..()
+
+/// Status effect from multiple sources, when all sources are removed, so is the effect
+/datum/status_effect/grouped
+	status_type = STATUS_EFFECT_MULTIPLE //! Adds itself to sources and destroys itself if one exists already, there are never multiple
+	var/list/sources = list()
+
+/datum/status_effect/grouped/on_creation(mob/living/new_owner, source)
+	var/datum/status_effect/grouped/existing = new_owner.has_status_effect(type)
+	if(existing)
+		existing.sources |= source
+		qdel(src)
+		return FALSE
+	else
+		sources |= source
+		return ..()
+
+/datum/status_effect/grouped/before_remove(source)
+	sources -= source
+	return !length(sources)

code/datums/weather/weather.dm

@@ -1,49 +1,96 @@
-//The effects of weather occur across an entire z-level. For instance, lavaland has periodic ash storms that scorch most unprotected creatures.
+/**
+  * Causes weather to occur on a z level in certain area types
+  *
+  * The effects of weather occur across an entire z-level. For instance, lavaland has periodic ash storms that scorch most unprotected creatures.
+  * Weather always occurs on different z levels at different times, regardless of weather type.
+  * Can have custom durations, targets, and can automatically protect indoor areas.
+  *
+  */
 
 /datum/weather
+	/// name of weather
 	var/name = "space wind"
+	/// description of weather
 	var/desc = "Heavy gusts of wind blanket the area, periodically knocking down anyone caught in the open."
 
-	var/telegraph_message = "<span class='warning'>The wind begins to pick up.</span>" //The message displayed in chat to foreshadow the weather's beginning
-	var/telegraph_duration = 300 //In deciseconds, how long from the beginning of the telegraph until the weather begins
-	var/telegraph_sound //The sound file played to everyone on an affected z-level
-	var/telegraph_overlay //The overlay applied to all tiles on the z-level
+	/// The message displayed in chat to foreshadow the weather's beginning
+	var/telegraph_message = "<span class='warning'>The wind begins to pick up.</span>"
 
-	var/weather_message = "<span class='userdanger'>The wind begins to blow ferociously!</span>" //Displayed in chat once the weather begins in earnest
-	var/weather_duration = 1200 //In deciseconds, how long the weather lasts once it begins
-	var/weather_duration_lower = 1200 //See above - this is the lowest possible duration
-	var/weather_duration_upper = 1500 //See above - this is the highest possible duration
+	/// In deciseconds, how long from the beginning of the telegraph until the weather begins
+	var/telegraph_duration = 300
+	/// The sound file played to everyone on an affected z-level
+	var/telegraph_sound
+	/// The overlay applied to all tiles on the z-level
+	var/telegraph_overlay
+	/// Displayed in chat once the weather begins in earnest
+	var/weather_message = "<span class='userdanger'>The wind begins to blow ferociously!</span>"
+	///In deciseconds, how long the weather lasts once it begins
+	var/weather_duration = 1200
+	///See above - this is the lowest possible duration
+	var/weather_duration_lower = 1200
+	///See above - this is the highest possible duration
+	var/weather_duration_upper = 1500
+	/// Looping sound while weather is occuring
 	var/weather_sound
+	/// Area overlay while the weather is occuring
 	var/weather_overlay
+	/// Color to apply to the area while weather is occuring
 	var/weather_color = null
 
-	var/end_message = "<span class='danger'>The wind relents its assault.</span>" //Displayed once the weather is over
-	var/end_duration = 300 //In deciseconds, how long the "wind-down" graphic will appear before vanishing entirely
+	/// Displayed once the weather is over
+	var/end_message = "<span class='danger'>The wind relents its assault.</span>"
+	/// In deciseconds, how long the "wind-down" graphic will appear before vanishing entirely
+	var/end_duration = 300
+	/// Sound that plays while weather is ending
 	var/end_sound
+	/// Area overlay while weather is ending
 	var/end_overlay
 
-	var/area_type = /area/space //Types of area to affect
-	var/list/impacted_areas = list() //Areas to be affected by the weather, calculated when the weather begins
-	var/list/protected_areas = list()//Areas that are protected and excluded from the affected areas.
-	var/impacted_z_levels // The list of z-levels that this weather is actively affecting
+	/// Types of area to affect
+	var/area_type = /area/space
+	/// TRUE value protects areas with outdoors marked as false, regardless of area type
+	var/protect_indoors = FALSE
+	/// Areas to be affected by the weather, calculated when the weather begins
+	var/list/impacted_areas = list()
 
-	var/overlay_layer = AREA_LAYER //Since it's above everything else, this is the layer used by default. TURF_LAYER is below mobs and walls if you need to use that.
-	var/aesthetic = FALSE //If the weather has no purpose other than looks
-	var/immunity_type = "storm" //Used by mobs to prevent them from being affected by the weather
+	/// Areas that are protected and excluded from the affected areas.
+	var/list/protected_areas = list()
+	/// The list of z-levels that this weather is actively affecting
+	var/impacted_z_levels
 
-	var/stage = END_STAGE //The stage of the weather, from 1-4
+	/// Since it's above everything else, this is the layer used by default. TURF_LAYER is below mobs and walls if you need to use that. 
+	var/overlay_layer = AREA_LAYER 
+	/// Plane for the overlay
+	var/overlay_plane = BLACKNESS_PLANE
+	/// If the weather has no purpose but aesthetics. 
+	var/aesthetic = FALSE
+	/// Used by mobs to prevent them from being affected by the weather 
+	var/immunity_type = "storm"
 
-	// These are read by the weather subsystem and used to determine when and where to run the weather.
-	var/probability = 0 // Weight amongst other eligible weather. If zero, will never happen randomly.
-	var/target_trait = ZTRAIT_STATION // The z-level trait to affect when run randomly or when not overridden.
+	/// The stage of the weather, from 1-4
+	var/stage = END_STAGE
 
+	/// Weight amongst other eligible weather. if zero, will never happen randomly.
+	var/probability = 0
+	/// The z-level trait to affect when run randomly or when not overridden.
+	var/target_trait = ZTRAIT_STATION
+
+	/// Whether a barometer can predict when the weather will happen
 	var/barometer_predictable = FALSE
-	var/next_hit_time = 0 //For barometers to know when the next storm will hit
+	/// For barometers to know when the next storm will hit
+	var/next_hit_time = 0
 
 /datum/weather/New(z_levels)
 	..()
 	impacted_z_levels = z_levels
 
+/**
+  * Telegraphs the beginning of the weather on the impacted z levels
+  *
+  * Sends sounds and details to mobs in the area
+  * Calculates duration and hit areas, and makes a callback for the actual weather to start
+  *
+  */
 /datum/weather/proc/telegraph()
 	if(stage == STARTUP_STAGE)
 		return
@@ -58,6 +105,8 @@
 		affectareas -= get_areas(V)
 	for(var/V in affectareas)
 		var/area/A = V
+		if(protect_indoors && !A.outdoors)
+			continue
 		if(A.z in impacted_z_levels)
 			impacted_areas |= A
 	weather_duration = rand(weather_duration_lower, weather_duration_upper)
@@ -72,6 +121,13 @@
 				SEND_SOUND(M, sound(telegraph_sound))
 	addtimer(CALLBACK(src, .proc/start), telegraph_duration)
 
+/**
+  * Starts the actual weather and effects from it
+  *
+  * Updates area overlays and sends sounds and messages to mobs to notify them
+  * Begins dealing effects from weather to mobs in the area
+  *
+  */
 /datum/weather/proc/start()
 	if(stage >= MAIN_STAGE)
 		return
@@ -86,6 +142,13 @@
 				SEND_SOUND(M, sound(weather_sound))
 	addtimer(CALLBACK(src, .proc/wind_down), weather_duration)
 
+/**
+  * Weather enters the winding down phase, stops effects
+  *
+  * Updates areas to be in the winding down phase
+  * Sends sounds and messages to mobs to notify them
+  *
+  */
 /datum/weather/proc/wind_down()
 	if(stage >= WIND_DOWN_STAGE)
 		return
@@ -100,6 +163,13 @@
 				SEND_SOUND(M, sound(end_sound))
 	addtimer(CALLBACK(src, .proc/end), end_duration)
 
+/**
+  * Fully ends the weather
+  *
+  * Effects no longer occur and area overlays are removed
+  * Removes weather from processing completely
+  *
+  */
 /datum/weather/proc/end()
 	if(stage == END_STAGE)
 		return 1
@@ -115,7 +185,11 @@
 		if(can_weather_act(L))
 			weather_act(L)
 
-/datum/weather/proc/can_weather_act(mob/living/L) //Can this weather impact a mob?
+/**
+  * Returns TRUE if the living mob can be affected by the weather
+  *
+  */
+/datum/weather/proc/can_weather_act(mob/living/L)
 	var/turf/mob_turf = get_turf(L)
 	if(mob_turf && !(mob_turf.z in impacted_z_levels))
 		return
@@ -123,11 +197,19 @@
 		return
 	if(!(get_area(L) in impacted_areas))
 		return
-	return 1
+	return TRUE
 
-/datum/weather/proc/weather_act(mob/living/L) //What effect does this weather have on the hapless mob?
+/**
+  * Affects the mob with whatever the weather does
+  *
+  */
+/datum/weather/proc/weather_act(mob/living/L)
 	return
 
+/**
+  * Updates the overlays on impacted areas
+  *
+  */
 /datum/weather/proc/update_areas()
 	for(var/V in impacted_areas)
 		var/area/N = V

code/datums/weather/weather_types/acid_rain.dm

@@ -17,8 +17,9 @@
 	end_message = "<span class='boldannounce'>The downpour gradually slows to a light shower. It should be safe outside now.</span>"
 	end_sound = 'sound/ambience/acidrain_end.ogg'
 
-	area_type = /area/lavaland/surface/outdoors
-	target_trait = ZTRAIT_MINING
+	area_type = /area
+	protect_indoors = TRUE
+	target_trait = ZTRAIT_ACIDRAIN
 
 	immunity_type = "acid" // temp
 

code/datums/weather/weather_types/ash_storm.dm

@@ -16,8 +16,9 @@
 	end_duration = 300
 	end_overlay = "light_ash"
 
-	area_type = /area/lavaland/surface/outdoors
-	target_trait = ZTRAIT_MINING
+	area_type = /area
+	protect_indoors = TRUE
+	target_trait = ZTRAIT_ASHSTORM
 
 	immunity_type = "ash"
 

code/datums/weather/weather_types/snow_storm.dm

@@ -15,8 +15,9 @@
 	end_duration = 100
 	end_message = "<span class='boldannounce'>The snowfall dies down, it should be safe to go outside again.</span>"
 
-	area_type = /area/awaymission/snowdin/outside
-	target_trait = ZTRAIT_AWAY
+	area_type = /area
+	protect_indoors = TRUE
+	target_trait = ZTRAIT_SNOWSTORM
 
 	immunity_type = "snow"
 

code/datums/wires/airlock.dm

@@ -1,6 +1,7 @@
 /datum/wires/airlock
 	holder_type = /obj/machinery/door/airlock
 	proper_name = "Generic Airlock"
+	req_skill = JOB_SKILL_UNSKILLED //Training wheel, as per request.
 	var/wiretype
 
 /datum/wires/airlock/secure

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_movable.dm

@@ -25,6 +25,7 @@
 	var/inertia_move_delay = 5
 	var/pass_flags = 0
 	var/moving_diagonally = 0 //0: not doing a diagonal move. 1 and 2: doing the first/second step of the diagonal move
+	var/atom/movable/moving_from_pull		//attempt to resume grab after moving instead of before.
 	var/list/client_mobs_in_contents // This contains all the client mobs within this container
 	var/list/acted_explosions	//for explosion dodging
 	glide_size = 8
@@ -207,6 +208,7 @@
 	if(!Process_Spacemove(get_dir(pulling.loc, A)))
 		return
 	step(pulling, get_dir(pulling.loc, A))
+	return TRUE
 
 /atom/movable/proc/check_pulling()
 	if(pulling)
@@ -224,6 +226,8 @@
 		if(pulling.anchored || pulling.move_resist > move_force)
 			stop_pulling()
 			return
+	if(pulledby && moving_diagonally != FIRST_DIAG_STEP && get_dist(src, pulledby) > 1)		//separated from our puller and not in the middle of a diagonal move.
+		pulledby.stop_pulling()
 
 /atom/movable/Destroy(force)
 	QDEL_NULL(proximity_monitor)

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)
@@ -51,13 +54,8 @@
 /atom/movable/Move(atom/newloc, direct)
 	var/atom/movable/pullee = pulling
 	var/turf/T = loc
-	if(pulling)
-		if(pullee && get_dist(src, pullee) > 1)
-			stop_pulling()
-
-		if(pullee && pullee.loc != loc && !isturf(pullee.loc) ) //to be removed once all code that changes an object's loc uses forceMove().
-			log_game("DEBUG:[src]'s pull on [pullee] wasn't broken despite [pullee] being in [pullee.loc]. Pull stopped manually.")
-			stop_pulling()
+	if(!moving_from_pull)
+		check_pulling()
 	if(!loc || !newloc)
 		return FALSE
 	var/atom/oldloc = loc
@@ -130,19 +128,16 @@
 		if(has_buckled_mobs() && !handle_buckled_mob_movement(loc,direct)) //movement failed due to buckled mob(s)
 			return FALSE
 
-		if(pulling && pulling == pullee) //we were pulling a thing and didn't lose it during our move.
+		if(pulling && pulling == pullee && pulling != moving_from_pull) //we were pulling a thing and didn't lose it during our move.
 			if(pulling.anchored)
 				stop_pulling()
 			else
 				var/pull_dir = get_dir(src, pulling)
 				//puller and pullee more than one tile away or in diagonal position
 				if(get_dist(src, pulling) > 1 || (moving_diagonally != SECOND_DIAG_STEP && ((pull_dir - 1) & pull_dir)))
+					pulling.moving_from_pull = src
 					pulling.Move(T, get_dir(pulling, T)) //the pullee tries to reach our previous position
-					if(pulling && get_dist(src, pulling) > 1) //the pullee couldn't keep up
-						stop_pulling()
-				if(pulledby && moving_diagonally != FIRST_DIAG_STEP && get_dist(src, pulledby) > 1)//separated from our puller and not in the middle of a diagonal move.
-					pulledby.stop_pulling()
-
+					pulling.moving_from_pull = null
 		Moved(oldloc, direct)
 
 /atom/movable/proc/handle_buckled_mob_movement(newloc,direct)

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/objects/buckling.dm

@@ -55,8 +55,12 @@
 		M.buckling = null
 		return FALSE
 
-	if(M.pulledby && buckle_prevents_pull)
-		M.pulledby.stop_pulling()
+	if(M.pulledby)
+		if(buckle_prevents_pull)
+			M.pulledby.stop_pulling()
+		else if(isliving(M.pulledby))
+			var/mob/living/L = M.pulledby
+			L.reset_pull_offsets(M, TRUE)
 
 	if(!check_loc && M.loc != loc)
 		M.forceMove(loc)
@@ -137,4 +141,7 @@
 				"<span class='notice'>You unbuckle yourself from [src].</span>",\
 				"<span class='italics'>You hear metal clanking.</span>")
 		add_fingerprint(user)
+	if(isliving(M.pulledby))
+		var/mob/living/L = M.pulledby
+		L.set_pull_offsets(M, L.grab_state)
 	return M

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

@@ -133,7 +133,8 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	var/list/juice_results //A reagent list containing blah blah... but when JUICED in a grinder!
 
 	///Skills vars
-	var/list/used_skills //list of skills exercised when using this item. An associated bitfield indicates how the skill is exercised.
+	//list of skill PATHS exercised when using this item. An associated bitfield can be set to indicate additional ways the skill is used by this specific item.
+	var/list/datum/skill/used_skills.
 	var/skill_difficulty = THRESHOLD_COMPETENT //how difficult it's to use this item in general.
 	var/skill_gain = DEF_SKILL_GAIN //base skill value gain from using this item.
 
@@ -801,7 +802,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 
 	if(delay)
 		if(user.mind && used_skills)
-			LIST_SKILL_MODIFIER(used_skills, user.mind.skill_holder, delay, skill_difficulty, SKILL_USE_TOOL, NONE)
+			delay = user.mind.skill_holder.item_action_skills_mod(src, delay, skill_difficulty, SKILL_USE_TOOL, NONE, FALSE)
 
 		// Create a callback with checks that would be called every tick by do_after.
 		var/datum/callback/tool_check = CALLBACK(src, .proc/tool_check_callback, user, amount, extra_checks)

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/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/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/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/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/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/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

@@ -8,8 +8,9 @@ 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")()
+	var/extools = world.GetConfig("env", "EXTOOLS_DLL") || "./byond-extools.dll"
+	if (fexists(extools))
+		call(extools, "maptick_initialize")()
 	enable_debugger()
 
 	world.Profile(PROFILE_START)

code/modules/admin/verbs/SDQL2/SDQL_2.dm

@@ -764,7 +764,6 @@ GLOBAL_DATUM_INIT(sdql2_vv_statobj, /obj/effect/statclick/SDQL2_VV_all, new(null
 	for(var/arg in arguments)
 		new_args[++new_args.len] = SDQL_expression(source, arg)
 	if(object == GLOB) // Global proc.
-		procname = "/proc/[procname]"
 		return superuser? (call(procname)(new_args)) : (WrapAdminProcCall(GLOBAL_PROC, procname, new_args))
 	return superuser? (call(object, procname)(new_args)) : (WrapAdminProcCall(object, procname, new_args))
 

code/modules/admin/verbs/debug.dm

@@ -705,10 +705,17 @@
 	var/list/names = list()
 	names += "---- Space Ruins ----"
 	for(var/name in SSmapping.space_ruins_templates)
-		names[name] = list(SSmapping.space_ruins_templates[name], ZTRAIT_SPACE_RUINS, /area/space)
+		names[name] = list(SSmapping.space_ruins_templates[name], ZTRAIT_SPACE_RUINS, list(/area/space))
 	names += "---- Lava Ruins ----"
 	for(var/name in SSmapping.lava_ruins_templates)
 		names[name] = list(SSmapping.lava_ruins_templates[name], ZTRAIT_LAVA_RUINS, /area/lavaland/surface/outdoors/unexplored)
+		names[name] = list(SSmapping.lava_ruins_templates[name], ZTRAIT_LAVA_RUINS, list(/area/lavaland/surface/outdoors/unexplored))
+	names += "---- Ice Ruins ----"
+	for(var/name in SSmapping.ice_ruins_templates)
+		names[name] = list(SSmapping.ice_ruins_templates[name], ZTRAIT_ICE_RUINS, list(/area/icemoon/surface/outdoors/unexplored, /area/icemoon/underground/unexplored))
+	names += "---- Ice Underground Ruins ----"
+	for(var/name in SSmapping.ice_ruins_underground_templates)
+		names[name] = list(SSmapping.ice_ruins_underground_templates[name], ZTRAIT_ICE_RUINS_UNDERGROUND, list(/area/icemoon/underground/unexplored))
 
 	var/ruinname = input("Select ruin", "Spawn Ruin") as null|anything in names
 	var/data = names[ruinname]

code/modules/admin/verbs/map_template_loadverb.dm

@@ -18,9 +18,12 @@
 		var/image/item = image('icons/turf/overlays.dmi',S,"greenOverlay")
 		item.plane = ABOVE_LIGHTING_PLANE
 		preview += item
+	var/list/orientations = list("South" = SOUTH, "North" = NORTH, "East" = EAST, "West" = WEST)
+	var/choice = input(src, "Which orientation? Maps are normally facing SOUTH.", "Template Orientation", "South") as null|anything in orientations
+	var/orientation = orientations[choice]
 	images += preview
 	if(alert(src,"Confirm location.","Template Confirm","Yes","No") == "Yes")
-		if(template.load(T, centered = TRUE))
+		if(template.load(T, centered = TRUE, orientation = orientation))
 			message_admins("<span class='adminnotice'>[key_name_admin(src)] has placed a map template ([template.name]) at [ADMIN_COORDJMP(T)]</span>")
 		else
 			to_chat(src, "Failed to place map")

code/modules/antagonists/slaughter/slaughterevent.dm

@@ -27,6 +27,9 @@
 	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)
 		message_admins("No valid spawn locations found, aborting...")

code/modules/assembly/signaler.dm

@@ -90,7 +90,7 @@
 			. = TRUE
 
 	update_icon()
-	
+
 /obj/item/assembly/signaler/attackby(obj/item/W, mob/user, params)
 	if(issignaler(W))
 		var/obj/item/assembly/signaler/signaler2 = W
@@ -162,7 +162,6 @@
 		return
 	return ..(signal)
 
-
 // Embedded signaller used in anomalies.
 /obj/item/assembly/signaler/anomaly
 	name = "anomaly core"
@@ -179,12 +178,53 @@
 		return FALSE
 	if(signal.data["code"] != code)
 		return FALSE
+	if(suicider)
+		manual_suicide(suicider)
 	for(var/obj/effect/anomaly/A in get_turf(src))
 		A.anomalyNeutralize()
 	return TRUE
 
-/obj/item/assembly/signaler/anomaly/attack_self()
-	return
+/obj/item/assembly/signaler/anomaly/manual_suicide(mob/living/carbon/user)
+	user.visible_message("<span class='suicide'>[user]'s [src] is reacting to the radio signal, warping [user.p_their()] body!</span>")
+	user.suiciding = TRUE
+	user.suicide_log()
+	user.gib()
+
+/obj/item/assembly/signaler/anomaly/attackby(obj/item/I, mob/user, params)
+	if(I.tool_behaviour == TOOL_ANALYZER)
+		to_chat(user, "<span class='notice'>Analyzing... [src]'s stabilized field is fluctuating along frequency [format_frequency(frequency)], code [code].</span>")
+	..()
+
+//Anomaly cores
+/obj/item/assembly/signaler/anomaly/pyro
+	name = "\improper pyroclastic anomaly core"
+	desc = "The neutralized core of a pyroclastic anomaly. It feels warm to the touch. It'd probably be valuable for research."
+	icon_state = "pyro core"
+	anomaly_type = /obj/effect/anomaly/pyro
+
+/obj/item/assembly/signaler/anomaly/grav
+	name = "\improper gravitational anomaly core"
+	desc = "The neutralized core of a gravitational anomaly. It feels much heavier than it looks. It'd probably be valuable for research."
+	icon_state = "grav core"
+	anomaly_type = /obj/effect/anomaly/grav
+
+/obj/item/assembly/signaler/anomaly/flux
+	name = "\improper flux anomaly core"
+	desc = "The neutralized core of a flux anomaly. Touching it makes your skin tingle. It'd probably be valuable for research."
+	icon_state = "flux core"
+	anomaly_type = /obj/effect/anomaly/flux
+
+/obj/item/assembly/signaler/anomaly/bluespace
+	name = "\improper bluespace anomaly core"
+	desc = "The neutralized core of a bluespace anomaly. It keeps phasing in and out of view. It'd probably be valuable for research."
+	icon_state = "anomaly core"
+	anomaly_type = /obj/effect/anomaly/bluespace
+
+/obj/item/assembly/signaler/anomaly/vortex
+	name = "\improper vortex anomaly core"
+	desc = "The neutralized core of a vortex anomaly. It won't sit still, as if some invisible force is acting on it. It'd probably be valuable for research."
+	icon_state = "vortex core"
+	anomaly_type = /obj/effect/anomaly/bhole
 
 /obj/item/assembly/signaler/cyborg
 

code/modules/atmospherics/machinery/pipes/manifold.dm

@@ -28,6 +28,8 @@
 
 /obj/machinery/atmospherics/pipe/manifold/update_icon()
 	cut_overlays()
+	if(!center)
+		center = mutable_appearance(icon, "manifold_center")
 	PIPING_LAYER_DOUBLE_SHIFT(center, piping_layer)
 	add_overlay(center)
 

code/modules/atmospherics/machinery/pipes/manifold4w.dm

@@ -26,6 +26,8 @@
 
 /obj/machinery/atmospherics/pipe/manifold4w/update_icon()
 	cut_overlays()
+	if(!center)
+		center = mutable_appearance(icon, "manifold_center")
 	PIPING_LAYER_DOUBLE_SHIFT(center, piping_layer)
 	add_overlay(center)
 

code/modules/cargo/exports/manifest.dm

@@ -76,19 +76,3 @@
 /datum/export/manifest_correct_denied/get_cost(obj/O)
 	var/obj/item/paper/fluff/jobs/cargo/manifest/M = O
 	return ..() - M.order_cost
-
-// Paper work done correctly
-
-/datum/export/paperwork_correct
-	cost = 120 // finicky number 20 x 120 = 2400 per crate
-	k_elasticity = 0
-	unit_name = "correct paperwork"
-	export_types = list(/obj/item/folder/paperwork_correct)
-
-// Paper work not done retruned
-
-/datum/export/paperwork_incorrect
-	cost = -500 // Failed to meet NT standers
-	k_elasticity = 0
-	unit_name = "returned incorrect paperwork"
-	export_types = list(/obj/item/folder/paperwork)

code/modules/cargo/packs/engine.dm

@@ -148,15 +148,7 @@
 	crate_name = "supermatter shard crate"
 	crate_type = /obj/structure/closet/crate/secure/engineering
 	dangerous = TRUE
-
-/datum/supply_pack/engine/supermatter_spray
-	name = "Supermatter Spray Crate"
-	desc = "The single thing that can truly heal the supermatter."
-	cost = 2000
-	contains = list(/obj/item/supermatterspray)
-	crate_name = "supermatter shard crate"
-	crate_type = /obj/structure/closet/crate/engineering/electrical
-
+	
 /datum/supply_pack/engine/tesla_coils
 	name = "Tesla Coil Crate"
 	desc = "Whether it's high-voltage executions, creating research points, or just plain old power generation: This pack of four Tesla coils can do it all!"

code/modules/cargo/packs/materials.dm

@@ -129,14 +129,6 @@
 					/obj/item/rcd_ammo)
 	crate_name = "rcd ammo"
 
-/datum/supply_pack/materials/loom
-	name = "Loom"
-	desc = "A large pre-made loom."
-	cost = 1000
-	contains = list(/obj/structure/loom/unanchored)
-	crate_name = "loom crate"
-	crate_type = /obj/structure/closet/crate/large
-
 //////////////////////////////////////////////////////////////////////////////
 ///////////////////////////// Canisters //////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////

code/modules/cargo/packs/misc.dm

@@ -87,37 +87,12 @@
 	crate_type = /obj/structure/closet/crate/wooden
 	crate_name = "calligraphy crate"
 
-/datum/supply_pack/misc/paper_work
-	name = "Freelance Paper work"
-	desc = "The Nanotrasen Primary Bureaucratic Database Intelligence (PDBI) reports that the station has not completed its funding and grant paperwork this solar cycle. In order to gain further funding, your station is required to fill out (10) ten of these forms or no additional capital will be disbursed. We have sent you ten copies of the following form and we expect every one to be up to Nanotrasen Standards." // Disbursement. It's not a typo, look it up.
-	cost = 700 // Net of 0 credits but makes (120 x 10 = 1200)
-	contains = list(/obj/item/folder/paperwork,
-					/obj/item/pen/fountain
-					)
-	crate_name = "Paperwork"
-
-/datum/supply_pack/misc/paper_work/generate()
-	. = ..()
-	for(var/i in 1 to 9)
-		new /obj/item/folder/paperwork(.)
 //////////////////////////////////////////////////////////////////////////////
 //////////////////////////////// Entertainment ///////////////////////////////
 //////////////////////////////////////////////////////////////////////////////
 
-/datum/supply_pack/misc/randombedsheets
-	name = "Bedsheet Crate (R)"
-	desc = "Snuggle up in some sweet sheets with this assorted bedsheet crate. Each set comes with eight random bedsheets for your slumbering pleasure!"
-	cost = 2000
-	contains = list(/obj/item/bedsheet/random)
-	crate_name = "random bedsheet crate"
-
-/datum/supply_pack/misc/randombedsheets/generate()
-	. = ..()
-	for(var/i in 1 to 7)
-		new /obj/item/bedsheet/random(.)
-
 /datum/supply_pack/misc/coloredsheets
-	name = "Bedsheet Crate (C)"
+	name = "Bedsheet Crate"
 	desc = "Give your night life a splash of color with this crate filled with bedsheets! Contains a total of nine different-colored sheets."
 	cost = 1250
 	contains = list(/obj/item/bedsheet/blue,

code/modules/client/preferences.dm

@@ -94,8 +94,6 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	var/skin_tone = "caucasian1"		//Skin color
 	var/use_custom_skin_tone = FALSE
 	var/eye_color = "000"				//Eye color
-	var/horn_color = "85615a"			//Horn color
-	var/wing_color = "fff"				//Wing color
 	var/datum/species/pref_species = new /datum/species/human()	//Mutant race
 	var/list/features = list("mcolor" = "FFF",
 		"mcolor2" = "FFF",
@@ -104,8 +102,10 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 		"tail_human" = "None",
 		"snout" = "Round",
 		"horns" = "None",
+		"horns_color" = "85615a",
 		"ears" = "None",
 		"wings" = "None",
+		"wings_color" = "FFF",
 		"frills" = "None",
 		"deco_wings" = "None",
 		"spines" = "None",
@@ -496,7 +496,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				dat += "<h3>Horns</h3>"
 
 				dat += "<a style='display:block;width:100px' href='?_src_=prefs;preference=horns;task=input'>[features["horns"]]</a>"
-				dat += "<span style='border:1px solid #161616; background-color: #[horn_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=horns_color;task=input'>Change</a><BR>"
+				dat += "<span style='border:1px solid #161616; background-color: #[features["horns_color"]];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=horns_color;task=input'>Change</a><BR>"
 
 
 				mutant_category++
@@ -609,7 +609,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				dat += "<h3>Decorative wings</h3>"
 
 				dat += "<a style='display:block;width:100px' href='?_src_=prefs;preference=deco_wings;task=input'>[features["deco_wings"]]</a>"
-				dat += "<span style='border:1px solid #161616; background-color: #[wing_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=wings_color;task=input'>Change</a><BR>"
+				dat += "<span style='border:1px solid #161616; background-color: #[features["wings_color"]];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=wings_color;task=input'>Change</a><BR>"
 
 			if(pref_species.mutant_bodyparts["insect_wings"])
 				if(!mutant_category)
@@ -618,7 +618,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				dat += "<h3>Insect wings</h3>"
 
 				dat += "<a style='display:block;width:100px' href='?_src_=prefs;preference=insect_wings;task=input'>[features["insect_wings"]]</a>"
-				dat += "<span style='border:1px solid #161616; background-color: #[wing_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=wings_color;task=input'>Change</a><BR>"
+				dat += "<span style='border:1px solid #161616; background-color: #[features["wings_color"]];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=wings_color;task=input'>Change</a><BR>"
 				mutant_category++
 				if(mutant_category >= MAX_MUTANT_ROWS)
 					dat += "</td>"
@@ -1770,12 +1770,12 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 						features["horns"] = new_horns
 
 				if("horns_color")
-					var/new_horn_color = input(user, "Choose your character's horn colour:", "Character Preference","#"+horn_color) as color|null
+					var/new_horn_color = input(user, "Choose your character's horn colour:", "Character Preference","#"+features["horns_color"]) as color|null
 					if(new_horn_color)
 						if (new_horn_color == "#000000")
-							horn_color = "#85615A"
+							features["horns_color"] = "85615A"
 						else
-							horn_color = sanitize_hexcolor(new_horn_color)
+							features["horns_color"] = sanitize_hexcolor(new_horn_color)
 
 				if("wings")
 					var/new_wings
@@ -1784,12 +1784,12 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 						features["wings"] = new_wings
 
 				if("wings_color")
-					var/new_wing_color = input(user, "Choose your character's wing colour:", "Character Preference","#"+wing_color) as color|null
+					var/new_wing_color = input(user, "Choose your character's wing colour:", "Character Preference","#"+features["wings_color"]) as color|null
 					if(new_wing_color)
 						if (new_wing_color == "#000000")
-							wing_color = "#FFFFFF"
+							features["wings_color"] = "#FFFFFF"
 						else
-							wing_color = sanitize_hexcolor(new_wing_color)
+							features["wings_color"] = sanitize_hexcolor(new_wing_color)
 
 				if("frills")
 					var/new_frills
@@ -2459,9 +2459,6 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 		organ_eyes.old_eye_color = eye_color
 	character.hair_color = hair_color
 	character.facial_hair_color = facial_hair_color
-	character.horn_color = horn_color
-	character.wing_color = wing_color
-
 	character.skin_tone = skin_tone
 	character.dna.skin_tone_override = use_custom_skin_tone ? skin_tone : null
 	character.hair_style = hair_style

code/modules/client/preferences_savefile.dm

@@ -5,7 +5,7 @@
 //	You do not need to raise this if you are adding new values that have sane defaults.
 //	Only raise this value when changing the meaning/format/name/layout of an existing value
 //	where you would want the updater procs below to run
-#define SAVEFILE_VERSION_MAX	29
+#define SAVEFILE_VERSION_MAX	30
 
 /*
 SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Carn
@@ -181,6 +181,19 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 		if(lickable)
 			ENABLE_BITFIELD(vore_flags,LICKABLE)
 
+	if(current_version < 30)
+		switch(features["taur"])
+			if("Husky", "Lab", "Shepherd", "Fox", "Wolf")
+				features["taur"] = "Canine"
+			if("Panther", "Tiger")
+				features["taur"] = "Feline"
+			if("Cow")
+				features["taur"] = "Cow (Spotted)"
+
+	if(current_version < 31)
+		S["wing_color"]			>> features["wings_color"]
+		S["horn_color"]			>> features["horns_color"]
+
 /datum/preferences/proc/load_path(ckey,filename="preferences.sav")
 	if(!ckey)
 		return
@@ -412,15 +425,6 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 		if(newtype)
 			pref_species = new newtype
 
-	if(!S["features["mcolor"]"] || S["features["mcolor"]"] == "#000")
-		WRITE_FILE(S["features["mcolor"]"]	, "#FFF")
-
-	if(!S["features["horn_color"]"] || S["features["horn_color"]"] == "#000")
-		WRITE_FILE(S["features["horn_color"]"]	, "#85615a")
-
-	if(!S["features["wing_color"]"] || S["features["wing_color"]"] == "#000")
-		WRITE_FILE(S["features["wing_color"]"]	, "#FFF")
-
 	//Character
 	S["real_name"]				>> real_name
 	S["nameless"]				>> nameless
@@ -444,8 +448,6 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["shirt_color"]			>> shirt_color
 	S["socks"]					>> socks
 	S["socks_color"]			>> socks_color
-	S["horn_color"]				>> horn_color
-	S["wing_color"]				>> wing_color
 	S["backbag"]				>> backbag
 	S["jumpsuit_style"]			>> jumpsuit_style
 	S["uplink_loc"]				>> uplink_spawn_loc
@@ -555,15 +557,6 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 		if(!custom_names[custom_name_id])
 			custom_names[custom_name_id] = get_default_name(custom_name_id)
 
-	if(!features["mcolor"] || features["mcolor"] == "#000")
-		features["mcolor"] = pick("FFFFFF","7F7F7F", "7FFF7F", "7F7FFF", "FF7F7F", "7FFFFF", "FF7FFF", "FFFF7F")
-
-	if(!features["horn_color"] || features["horn_color"] == "#000")
-		features["horn_color"] = "85615a"
-
-	if(!features["wing_color"] || features["wing_color"] == "#000")
-		features["wing_color"] = "FFFFFF"
-
 	nameless		= sanitize_integer(nameless, 0, 1, initial(nameless))
 	be_random_name	= sanitize_integer(be_random_name, 0, 1, initial(be_random_name))
 	be_random_body	= sanitize_integer(be_random_body, 0, 1, initial(be_random_body))
@@ -590,8 +583,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	else
 		skin_tone					= sanitize_inlist(skin_tone, GLOB.skin_tones - GLOB.nonstandard_skin_tones, initial(skin_tone))
 
-	horn_color						= sanitize_hexcolor(horn_color, 3, FALSE)
-	wing_color						= sanitize_hexcolor(wing_color, 3, FALSE, "#FFFFFF")
+	features["horns_color"]			= sanitize_hexcolor(features["horns_color"], 3, FALSE, "85615a")
+	features["wings_color"]			= sanitize_hexcolor(features["wings_color"], 3, FALSE, "FFFFFF")
 	backbag							= sanitize_inlist(backbag, GLOB.backbaglist, initial(backbag))
 	jumpsuit_style					= sanitize_inlist(jumpsuit_style, GLOB.jumpsuitlist, initial(jumpsuit_style))
 	uplink_spawn_loc				= sanitize_inlist(uplink_spawn_loc, GLOB.uplink_spawn_loc_list, initial(uplink_spawn_loc))
@@ -705,8 +698,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["shirt_color"]				, shirt_color)
 	WRITE_FILE(S["socks"]					, socks)
 	WRITE_FILE(S["socks_color"]				, socks_color)
-	WRITE_FILE(S["horn_color"]				, horn_color)
-	WRITE_FILE(S["wing_color"]				, wing_color)
+	WRITE_FILE(S["horns_color"]				, features["horns_color"])
+	WRITE_FILE(S["wings_color"]				, features["wings_color"])
 	WRITE_FILE(S["backbag"]					, backbag)
 	WRITE_FILE(S["jumpsuit_style"]			, jumpsuit_style)
 	WRITE_FILE(S["uplink_loc"]				, uplink_spawn_loc)

code/modules/clothing/clothing.dm

@@ -173,12 +173,18 @@ SEE_PIXELS// if an object is located on an unlit area, but some of its pixels ar
 BLIND     // can't see anything
 */
 
-/proc/generate_female_clothing(index,t_color,icon,type)
-	var/icon/female_clothing_icon	= icon("icon"=icon, "icon_state"=t_color)
-	var/icon/female_s				= icon("icon"='icons/mob/clothing/uniform.dmi', "icon_state"="[(type == FEMALE_UNIFORM_FULL) ? "female_full" : "female_top"]")
-	female_clothing_icon.Blend(female_s, ICON_MULTIPLY)
-	female_clothing_icon 			= fcopy_rsc(female_clothing_icon)
-	GLOB.female_clothing_icons[index] = female_clothing_icon
+/proc/generate_alpha_masked_clothing(index,state,icon,female,alpha_masks)
+	var/icon/I = icon(icon, state)
+	if(female)
+		var/icon/female_s = icon('icons/mob/clothing/alpha_masks.dmi', "[(female == FEMALE_UNIFORM_FULL) ? "female_full" : "female_top"]")
+		I.Blend(female_s, ICON_MULTIPLY, -15, -15) //it's a 64x64 icon.
+	if(alpha_masks)
+		if(istext(alpha_masks))
+			alpha_masks = list(alpha_masks)
+		for(var/alpha_state in alpha_masks)
+			var/icon/alpha = icon('icons/mob/clothing/alpha_masks.dmi', alpha_state)
+			I.Blend(alpha, ICON_MULTIPLY, -15, -15)
+	. = GLOB.alpha_masked_worn_icons[index] = fcopy_rsc(I)
 
 /obj/item/clothing/proc/weldingvisortoggle(mob/user) //proc to toggle welding visors on helmets, masks, goggles, etc.
 	if(!can_use(user))

code/modules/clothing/shoes/miscellaneous.dm

@@ -143,6 +143,13 @@
 	max_heat_protection_temperature = SHOES_MAX_TEMP_PROTECT
 	pocket_storage_component_path = /datum/component/storage/concrete/pockets/shoes
 
+/obj/item/clothing/shoes/winterboots/ice_boots
+	name = "ice hiking boots"
+	desc = "A pair of winter boots with special grips on the bottom, designed to prevent slipping on frozen surfaces."
+	icon_state = "iceboots"
+	item_state = "iceboots"
+	clothing_flags = NOSLIP_ICE
+
 /obj/item/clothing/shoes/winterboots/christmasbootsr
 	name = "red christmas boots"
 	desc = "A pair of fluffy red christmas boots!"

code/modules/clothing/suits/miscellaneous.dm

@@ -811,7 +811,7 @@
 	desc = "A dusty button up winter coat. The zipper tab looks like a tiny pickaxe."
 	icon_state = "coatminer"
 	item_state = "coatminer"
-	allowed = list(/obj/item/pickaxe, /obj/item/flashlight, /obj/item/tank/internals/emergency_oxygen, /obj/item/tank/internals/plasmaman, /obj/item/toy, /obj/item/storage/fancy/cigarettes, /obj/item/lighter)
+	allowed = list(/obj/item/pickaxe, /obj/item/flashlight, /obj/item/tank/internals, /obj/item/resonator, /obj/item/mining_scanner, /obj/item/t_scanner/adv_mining_scanner, /obj/item/gun/energy/kinetic_accelerator, /obj/item/toy, /obj/item/storage/fancy/cigarettes, /obj/item/lighter)
 	armor = list("melee" = 10, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 0, "acid" = 0)
 	hoodtype = /obj/item/clothing/head/hooded/winterhood/miner
 

code/modules/clothing/under/_under.dm

@@ -6,7 +6,7 @@
 	block_priority = BLOCK_PRIORITY_UNIFORM
 	slot_flags = ITEM_SLOT_ICLOTHING
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0,"energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 0, "acid" = 0)
-	mutantrace_variation = STYLE_DIGITIGRADE
+	mutantrace_variation = STYLE_DIGITIGRADE|USE_TAUR_CLIP_MASK
 	var/fitted = FEMALE_UNIFORM_FULL // For use in alternate clothing styles for women
 	var/has_sensor = HAS_SENSORS // For the crew computer
 	var/random_sensor = TRUE
@@ -263,10 +263,13 @@
 			fitted = NO_FEMALE_UNIFORM
 		if(!alt_covers_chest) // for the special snowflake suits that expose the chest when adjusted
 			body_parts_covered &= ~CHEST
+			mutantrace_variation &= ~USE_TAUR_CLIP_MASK //How are we supposed to see the uniform otherwise?
 	else
 		fitted = initial(fitted)
 		if(!alt_covers_chest)
 			body_parts_covered |= CHEST
+			if(initial(mutantrace_variation) & USE_TAUR_CLIP_MASK)
+				mutantrace_variation |= USE_TAUR_CLIP_MASK
 
 	return adjusted
 

code/modules/clothing/under/costume.dm

@@ -130,25 +130,27 @@
 	var/obj/item/clothing/accessory/maidapron/A = new (src)
 	attach_accessory(A)
 
+/obj/item/clothing/under/costume/singer
+	desc = "Just looking at this makes you want to sing."
+	mutantrace_variation = STYLE_DIGITIGRADE|STYLE_NO_ANTHRO_ICON
+	body_parts_covered = CHEST|GROIN|ARMS
+	alternate_worn_layer = ABOVE_SHOES_LAYER
+	can_adjust = FALSE
+
 /obj/item/clothing/under/costume/singer/yellow
 	name = "yellow performer's outfit"
-	desc = "Just looking at this makes you want to sing."
 	icon_state = "ysing"
 	item_state = "ysing"
 	body_parts_covered = CHEST|GROIN|ARMS
 	fitted = NO_FEMALE_UNIFORM
-	alternate_worn_layer = ABOVE_SHOES_LAYER
 	can_adjust = FALSE
 
 /obj/item/clothing/under/costume/singer/blue
 	name = "blue performer's outfit"
-	desc = "Just looking at this makes you want to sing."
 	icon_state = "bsing"
 	item_state = "bsing"
-	body_parts_covered = CHEST|GROIN|ARMS
 	alternate_worn_layer = ABOVE_SHOES_LAYER
 	fitted = FEMALE_UNIFORM_TOP
-	can_adjust = FALSE
 
 /obj/item/clothing/under/costume/geisha
 	name = "geisha suit"
@@ -205,7 +207,7 @@
 	body_parts_covered = CHEST|GROIN|ARMS
 	fitted = FEMALE_UNIFORM_TOP
 	can_adjust = FALSE
-	mutantrace_variation = NONE
+	mutantrace_variation = USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/drfreeze
 	name = "doctor freeze's jumpsuit"
@@ -213,7 +215,7 @@
 	icon_state = "drfreeze"
 	item_state = "drfreeze"
 	can_adjust = FALSE
-	mutantrace_variation = NONE
+	mutantrace_variation = USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/lobster
 	name = "foam lobster suit"
@@ -222,7 +224,7 @@
 	item_state = "lobster"
 	fitted = NO_FEMALE_UNIFORM
 	can_adjust = FALSE
-	mutantrace_variation = NONE
+	mutantrace_variation = USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/gondola
 	name = "gondola hide suit"
@@ -248,7 +250,7 @@
 	icon_state = "christmasmaler"
 	item_state = "christmasmaler"
 	can_adjust = FALSE
-	mutantrace_variation = NONE
+	mutantrace_variation = USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/christmas/green
 	name = "green christmas suit"
@@ -262,7 +264,7 @@
 	icon_state = "christmasfemaler"
 	item_state = "christmasfemaler"
 	body_parts_covered = CHEST|GROIN
-	mutantrace_variation = STYLE_DIGITIGRADE|STYLE_NO_ANTHRO_ICON
+	mutantrace_variation = STYLE_DIGITIGRADE|STYLE_NO_ANTHRO_ICON|USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/christmas/croptop/green
 	name = "green feminine christmas suit"
@@ -287,7 +289,6 @@
 	item_state = "qipao_white"
 	body_parts_covered = CHEST|GROIN
 	can_adjust = FALSE
-	mutantrace_variation = NONE
 
 /obj/item/clothing/under/costume/qipao/red
 	name = "Red Qipao"
@@ -296,7 +297,6 @@
 	item_state = "qipao_red"
 	body_parts_covered = CHEST|GROIN
 	can_adjust = FALSE
-	mutantrace_variation = NONE
 
 /obj/item/clothing/under/costume/cheongsam
 	name = "Black Cheongsam"
@@ -305,7 +305,7 @@
 	item_state = "cheong"
 	body_parts_covered = CHEST|GROIN
 	can_adjust = FALSE
-	mutantrace_variation = NONE
+	mutantrace_variation = USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/costume/cheongsam/white
 	name = "White Cheongsam"
@@ -323,7 +323,6 @@
 	item_state = "cheongr"
 	body_parts_covered = CHEST|GROIN
 	can_adjust = FALSE
-	mutantrace_variation = NONE
 
 /obj/item/clothing/under/costume/cloud
 	name = "cloud"

code/modules/clothing/under/jobs/civilian/clown_mime.dm

@@ -30,6 +30,7 @@
 	item_state = "clown"
 	fitted = FEMALE_UNIFORM_TOP
 	can_adjust = FALSE
+	mutantrace_variation = STYLE_DIGITIGRADE //The clown suit must look funny, no taur alpha masks where possible.
 
 /obj/item/clothing/under/rank/civilian/clown/blue
 	name = "blue clown suit"
@@ -90,6 +91,7 @@
 	desc = "A jolly dress, well suited to entertain your master, nuncle."
 	icon_state = "jester"
 	can_adjust = FALSE
+	mutantrace_variation = STYLE_DIGITIGRADE|USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/rank/civilian/clown/jester/alt
 	icon_state = "jester2"
@@ -100,6 +102,7 @@
 	icon_state = "sexyclown"
 	item_state = "sexyclown"
 	can_adjust = FALSE
+	mutantrace_variation = STYLE_DIGITIGRADE|USE_TAUR_CLIP_MASK
 
 /obj/item/clothing/under/rank/civilian/clown/Initialize()
 	. = ..()