Merge branch 'master' of https://github.com/Citadel-Station-13/Citadel-Station-13 into intern

# Conflicts:
#	icons/mob/clothing/suit.dmi
#	icons/mob/clothing/suit_digi.dmi
#	icons/obj/clothing/suits.dmi

code/modules/VR/vr_sleeper.dm

@@ -75,6 +75,9 @@
 /obj/machinery/vr_sleeper/MouseDrop_T(mob/target, mob/user)
 	if(user.lying || !iscarbon(target) || !Adjacent(target) || !user.canUseTopic(src, BE_CLOSE, TRUE, NO_TK))
 		return
+	if(occupant)
+		to_chat(user, "<span class='boldnotice'>The VR Sleeper is already occupied!</span>")
+		return
 	close_machine(target)
 	ui_interact(user)
 

code/modules/antagonists/eldritch_cult/eldritch_items.dm

@@ -260,7 +260,7 @@
 	if((IS_HERETIC(local_user) || IS_HERETIC_MONSTER(local_user)) && HAS_TRAIT(src,TRAIT_NODROP))
 		REMOVE_TRAIT(src, TRAIT_NODROP, CLOTHING_TRAIT)
 
-	for(var/mob/living/carbon/human/human_in_range in spiral_range(9,local_user))
+	for(var/mob/living/carbon/human/human_in_range in viewers(9,local_user))
 		if(IS_HERETIC(human_in_range) || IS_HERETIC_MONSTER(human_in_range))
 			continue
 

code/modules/antagonists/slaughter/slaughter.dm

@@ -129,13 +129,12 @@
 /mob/living/simple_animal/slaughter/proc/release_victims()
 	if(!consumed_mobs)
 		return
-
+	var/turf/T = get_turf(src)
+	if(!T)
+		T = find_safe_turf()
 	for(var/mob/living/M in consumed_mobs)
 		if(!M)
 			continue
-		var/turf/T = find_safe_turf()
-		if(!T)
-			T = get_turf(src)
 		M.forceMove(T)
 
 /mob/living/simple_animal/slaughter/proc/refresh_consumed_buff()
@@ -263,12 +262,12 @@
 	if(!consumed_mobs)
 		return
 
+	var/turf/T = get_turf(src)
+	if(!T)
+		T = find_safe_turf()
 	for(var/mob/living/M in consumed_mobs)
 		if(!M)
-			continue
-		var/turf/T = find_safe_turf()
-		if(!T)
-			T = get_turf(src)
+			continue	
 		M.forceMove(T)
 		if(M.revive(full_heal = TRUE, admin_revive = TRUE))
 			M.grab_ghost(force = TRUE)

code/modules/antagonists/traitor/classes/traitor_class.dm

@@ -45,5 +45,5 @@ GLOBAL_LIST_EMPTY(traitor_classes)
 /datum/traitor_class/proc/clean_up_traitor(datum/antagonist/traitor/T)
 	// Any effects that need to be cleaned up if traitor class is being swapped.
 
-/datum/traitor_class/proc/on_process(/datum/antagonist/traitor/T)
+/datum/traitor_class/proc/on_process(datum/antagonist/traitor/T)
 	// only for processing traitor classes; runs once an SSprocessing tick

code/modules/atmospherics/auxgm/gas_types.dm

@@ -157,6 +157,8 @@
 	id = GAS_METHANE
 	specific_heat = 30
 	name = "Methane"
+	powerloss_inhibition = 1
+	heat_resistance = 3
 	breath_results = GAS_METHYL_BROMIDE
 	fire_products = list(GAS_CO2 = 1, GAS_H2O = 2)
 	fire_burn_rate = 0.5
@@ -177,6 +179,8 @@
 	id = GAS_METHYL_BROMIDE
 	specific_heat = 42
 	name = "Methyl Bromide"
+	powermix = 1
+	heat_penalty = -1
 	flags = GAS_FLAG_DANGEROUS
 	breath_alert_info = list(
 		not_enough_alert = list(

code/modules/atmospherics/environmental/LINDA_turf_tile.dm

@@ -32,6 +32,11 @@
 	if(!blocks_air)
 		air = new(2500,src)
 		air.copy_from_turf(src)
+		if(planetary_atmos && !(initial_gas_mix in SSair.planetary))
+			var/datum/gas_mixture/mix = new
+			mix.parse_gas_string(initial_gas_mix)
+			mix.mark_immutable()
+			SSair.planetary[initial_gas_mix] = mix
 		update_air_ref(planetary_atmos ? 1 : 2)
 	. = ..()
 

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -261,6 +261,8 @@ we use a hook instead
 	return 1
 
 /datum/gas_mixture/parse_gas_string(gas_string)
+	gas_string = SSair.preprocess_gas_string(gas_string)
+
 	var/list/gas = params2list(gas_string)
 	if(gas["TEMP"])
 		var/temp = text2num(gas["TEMP"])

code/modules/atmospherics/gasmixtures/reactions.dm

@@ -648,7 +648,7 @@
 	//Replace miasma with oxygen
 	var/cleaned_air = min(air.get_moles(GAS_MIASMA), 20 + (air.return_temperature() - FIRE_MINIMUM_TEMPERATURE_TO_EXIST - 70) / 20)
 	air.adjust_moles(GAS_MIASMA, -cleaned_air)
-	air.adjust_moles(GAS_O2, cleaned_air)
+	air.adjust_moles(GAS_METHANE, cleaned_air)
 
 	//Possibly burning a bit of organic matter through maillard reaction, so a *tiny* bit more heat would be understandable
 	air.set_temperature(air.return_temperature() + cleaned_air * 0.002)

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

@@ -75,6 +75,9 @@
 /obj/machinery/atmospherics/pipe/setPipenet(datum/pipeline/P)
 	parent = P
 
+/obj/machinery/atmospherics/pipe/zap_act(power, zap_flags)
+	return 0 // they're not really machines in the normal sense, probably shouldn't explode
+
 /obj/machinery/atmospherics/pipe/Destroy()
 	QDEL_NULL(parent)
 

code/modules/cargo/packs/goodies.dm

@@ -70,6 +70,12 @@
 	cost = 1500
 	contains = list(/obj/item/toy/plush/beeplushie)
 
+/datum/supply_pack/goody/dyespray
+	name = "Hair Dye Spray"
+	desc = "A cool spray to dye your hair with awesome colors!"
+	cost = PAYCHECK_EASY * 2
+	contains = list(/obj/item/dyespray)
+
 /datum/supply_pack/goody/beach_ball
 	name = "Beach Ball"
 	desc = "The simple beach ball is one of Nanotrasen's most popular products. 'Why do we make beach balls? Because we can! (TM)' - Nanotrasen"

code/modules/client/preferences.dm

@@ -60,6 +60,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 										//autocorrected this round, not that you'd need to check that.
 
 	var/UI_style = null
+	var/outline_enabled = TRUE
+	var/outline_color = COLOR_BLUE_GRAY
 	var/buttons_locked = FALSE
 	var/hotkeys = FALSE
 
@@ -117,6 +119,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	var/hair_color = "000000"				//Hair color
 	var/facial_hair_style = "Shaved"	//Face hair type
 	var/facial_hair_color = "000000"		//Facial hair color
+	var/grad_style						//Hair gradient style
+	var/grad_color = "FFFFFF"			//Hair gradient color
 	var/skin_tone = "caucasian1"		//Skin color
 	var/use_custom_skin_tone = FALSE
 	var/left_eye_color = "000000"		//Eye color
@@ -503,6 +507,12 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				dat += "<a href='?_src_=prefs;preference=previous_facehair_style;task=input'>&lt;</a> <a href='?_src_=prefs;preference=next_facehair_style;task=input'>&gt;</a><BR>"
 				dat += "<span style='border: 1px solid #161616; background-color: #[facial_hair_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=facial;task=input'>Change</a><BR>"
 
+				dat += "<h3>Hair Gradient</h3>"
+
+				dat += "<a style='display:block;width:100px' href='?_src_=prefs;preference=grad_style;task=input'>[grad_style]</a>"
+				dat += "<a href='?_src_=prefs;preference=previous_grad_style;task=input'>&lt;</a> <a href='?_src_=prefs;preference=next_grad_style;task=input'>&gt;</a><BR>"
+				dat += "<span style='border: 1px solid #161616; background-color: #[grad_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=grad_color;task=input'>Change</a><BR>"
+
 				dat += "</td>"
 			//Mutant stuff
 			var/mutant_category = 0
@@ -774,6 +784,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 			dat += "<table><tr><td width='340px' height='300px' valign='top'>"
 			dat += "<h2>General Settings</h2>"
 			dat += "<b>UI Style:</b> <a href='?_src_=prefs;task=input;preference=ui'>[UI_style]</a><br>"
+			dat += "<b>Outline:</b> <a href='?_src_=prefs;preference=outline_enabled'>[outline_enabled ? "Enabled" : "Disabled"]</a><br>"
+			dat += "<b>Outline Color:</b> <span style='border:1px solid #161616; background-color: [outline_color];'>&nbsp;&nbsp;&nbsp;</span> <a href='?_src_=prefs;preference=outline_color'>Change</a><BR>"
 			dat += "<b>tgui Monitors:</b> <a href='?_src_=prefs;preference=tgui_lock'>[(tgui_lock) ? "Primary" : "All"]</a><br>"
 			dat += "<b>tgui Style:</b> <a href='?_src_=prefs;preference=tgui_fancy'>[(tgui_fancy) ? "Fancy" : "No Frills"]</a><br>"
 			dat += "<b>Show Runechat Chat Bubbles:</b> <a href='?_src_=prefs;preference=chat_on_map'>[chat_on_map ? "Enabled" : "Disabled"]</a><br>"
@@ -1707,6 +1719,23 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 				if("previous_facehair_style")
 					facial_hair_style = previous_list_item(facial_hair_style, GLOB.facial_hair_styles_list)
 
+				if("grad_color")
+					var/new_grad_color = input(user, "Choose your character's gradient colour:", "Character Preference","#"+grad_color) as color|null
+					if(new_grad_color)
+						grad_color = sanitize_hexcolor(new_grad_color, 6)
+
+				if("grad_style")
+					var/new_grad_style
+					new_grad_style = input(user, "Choose your character's hair gradient style:", "Character Preference") as null|anything in GLOB.hair_gradients_list
+					if(new_grad_style)
+						grad_style = new_grad_style
+
+				if("next_grad_style")
+					grad_style = next_list_item(grad_style, GLOB.hair_gradients_list)
+
+				if("previous_grad_style")
+					grad_style = previous_list_item(grad_style, GLOB.hair_gradients_list)
+
 				if("cycle_bg")
 					bgstate = next_list_item(bgstate, bgstate_options)
 
@@ -2706,6 +2735,12 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					buttons_locked = !buttons_locked
 				if("tgui_fancy")
 					tgui_fancy = !tgui_fancy
+				if("outline_enabled")
+					outline_enabled = !outline_enabled
+				if("outline_color")
+					var/pickedOutlineColor = input(user, "Choose your outline color.", "General Preference", outline_color) as color|null
+					if(pickedOutlineColor)
+						outline_color = pickedOutlineColor
 				if("tgui_lock")
 					tgui_lock = !tgui_lock
 				if("winflash")
@@ -3006,6 +3041,8 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	character.dna.skin_tone_override = use_custom_skin_tone ? skin_tone : null
 	character.hair_style = hair_style
 	character.facial_hair_style = facial_hair_style
+	character.grad_style = grad_style
+	character.grad_color = grad_color
 	character.underwear = underwear
 
 	character.saved_underwear = underwear
@@ -3070,6 +3107,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	if(additional_language && additional_language != "None")
 		var/language_entry = GLOB.roundstart_languages[additional_language]
 		if(language_entry)
+			character.additional_language = language_entry
 			character.grant_language(language_entry, TRUE, TRUE)
 
 	//limb stuff, only done when initially spawning in

code/modules/client/preferences_savefile.dm

@@ -45,6 +45,9 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	if(current_version < 46)	//If you remove this, remove force_reset_keybindings() too.
 		force_reset_keybindings_direct(TRUE)
 		addtimer(CALLBACK(src, .proc/force_reset_keybindings), 30)	//No mob available when this is run, timer allows user choice.
+	if(current_version < 30)
+		outline_enabled = TRUE
+		outline_color = COLOR_BLUE_GRAY
 
 /datum/preferences/proc/update_character(current_version, savefile/S)
 	if(current_version < 19)
@@ -377,6 +380,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["ooccolor"]			>> ooccolor
 	S["lastchangelog"]		>> lastchangelog
 	S["UI_style"]			>> UI_style
+	S["outline_color"]		>> outline_color
+	S["outline_enabled"]	>> outline_enabled
 	S["hotkeys"]			>> hotkeys
 	S["chat_on_map"]		>> chat_on_map
 	S["max_chat_length"]	>> max_chat_length
@@ -555,6 +560,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["ooccolor"], ooccolor)
 	WRITE_FILE(S["lastchangelog"], lastchangelog)
 	WRITE_FILE(S["UI_style"], UI_style)
+	WRITE_FILE(S["outline_enabled"], outline_enabled)
+	WRITE_FILE(S["outline_color"], outline_color)
 	WRITE_FILE(S["hotkeys"], hotkeys)
 	WRITE_FILE(S["chat_on_map"], chat_on_map)
 	WRITE_FILE(S["max_chat_length"], max_chat_length)
@@ -676,6 +683,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	S["skin_tone"]				>> skin_tone
 	S["hair_style_name"]		>> hair_style
 	S["facial_style_name"]		>> facial_hair_style
+	S["grad_style"]				>> grad_style
+	S["grad_color"]				>> grad_color
 	S["underwear"]				>> underwear
 	S["undie_color"]			>> undie_color
 	S["undershirt"]				>> undershirt
@@ -868,6 +877,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	age								= sanitize_integer(age, AGE_MIN, AGE_MAX, initial(age))
 	hair_color						= sanitize_hexcolor(hair_color, 6, FALSE)
 	facial_hair_color				= sanitize_hexcolor(facial_hair_color, 6, FALSE)
+	grad_style						= sanitize_inlist(grad_style, GLOB.hair_gradients_list)
+	grad_color						= sanitize_hexcolor(grad_color, 6, FALSE)
 	eye_type						= sanitize_inlist(eye_type, GLOB.eye_types, DEFAULT_EYES_TYPE)
 	left_eye_color					= sanitize_hexcolor(left_eye_color, 6, FALSE)
 	right_eye_color					= sanitize_hexcolor(right_eye_color, 6, FALSE)
@@ -1037,6 +1048,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	WRITE_FILE(S["skin_tone"]				, skin_tone)
 	WRITE_FILE(S["hair_style_name"]			, hair_style)
 	WRITE_FILE(S["facial_style_name"]		, facial_hair_style)
+	WRITE_FILE(S["grad_style"]				, grad_style)
+	WRITE_FILE(S["grad_color"]				, grad_color)
 	WRITE_FILE(S["underwear"]				, underwear)
 	WRITE_FILE(S["undie_color"]				, undie_color)
 	WRITE_FILE(S["undershirt"]				, undershirt)

code/modules/clothing/masks/gasmask.dm

@@ -83,6 +83,7 @@
 	icon_state = "clown"
 	item_state = "clown_hat"
 	dye_color = "clown"
+	w_class = WEIGHT_CLASS_SMALL
 	flags_cover = MASKCOVERSEYES
 	resistance_flags = FLAMMABLE
 	actions_types = list(/datum/action/item_action/adjust)
@@ -131,6 +132,7 @@
 	clothing_flags = ALLOWINTERNALS
 	icon_state = "mime"
 	item_state = "mime"
+	w_class = WEIGHT_CLASS_SMALL
 	flags_cover = MASKCOVERSEYES
 	resistance_flags = FLAMMABLE
 	actions_types = list(/datum/action/item_action/adjust)

code/modules/clothing/outfits/ert.dm

@@ -30,7 +30,7 @@
 	glasses = /obj/item/clothing/glasses/hud/security/sunglasses
 	back = /obj/item/storage/backpack/captain
 	belt = /obj/item/storage/belt/security/full
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer=1,\
 		/obj/item/gun/energy/e_gun=1)
@@ -50,7 +50,7 @@
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/alert
 	glasses = /obj/item/clothing/glasses/thermal/eyepatch
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/e_gun=1)
@@ -58,7 +58,7 @@
 
 /datum/outfit/ert/commander/alert/red
 	name = "ERT Commander - Red Alert"
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/pulse/pistol/loyalpin=1)
@@ -71,7 +71,7 @@
 	glasses = /obj/item/clothing/glasses/hud/security/sunglasses
 	belt = /obj/item/storage/belt/security/full
 	back = /obj/item/storage/backpack/security
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/storage/box/handcuffs=1,\
 		/obj/item/clothing/mask/gas/sechailer=1,\
 		/obj/item/gun/energy/e_gun/stun=1,\
@@ -91,7 +91,7 @@
 	name = "ERT Security - Amber Alert"
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/alert/sec
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/storage/box/handcuffs=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/melee/baton/loaded=1,\
@@ -99,7 +99,7 @@
 
 /datum/outfit/ert/security/alert/red
 	name = "ERT Security - Red Alert"
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/storage/box/handcuffs=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/melee/baton/loaded=1,\
@@ -114,7 +114,7 @@
 	back = /obj/item/storage/backpack/satchel/med
 	belt = /obj/item/storage/belt/medical
 	r_hand = /obj/item/storage/firstaid/regular
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer=1,\
 		/obj/item/gun/energy/e_gun=1,\
@@ -135,7 +135,7 @@
 	name = "ERT Medic - Amber Alert"
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/alert/med
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/e_gun=1,\
@@ -144,7 +144,7 @@
 
 /datum/outfit/ert/medic/alert/red
 	name = "ERT Medic - Red Alert"
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/pulse/pistol/loyalpin=1,\
@@ -161,7 +161,7 @@
 	belt = /obj/item/storage/belt/utility/full
 	l_pocket = /obj/item/rcd_ammo/large
 	r_hand = /obj/item/storage/firstaid/regular
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer=1,\
 		/obj/item/gun/energy/e_gun=1,\
@@ -181,7 +181,7 @@
 	name = "ERT Engineer - Amber Alert"
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/alert/engi
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/e_gun=1,\
@@ -189,7 +189,7 @@
 
 /datum/outfit/ert/engineer/alert/red
 	name = "ERT Engineer - Red Alert"
-	backpack_contents = list(/obj/item/storage/box/engineer=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,\
 		/obj/item/melee/baton/loaded=1,\
 		/obj/item/clothing/mask/gas/sechailer/swat=1,\
 		/obj/item/gun/energy/pulse/pistol/loyalpin=1,\
@@ -260,7 +260,7 @@
 	name = "Inquisition Commander"
 	r_hand = /obj/item/nullrod/scythe/talking/chainsword
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/paranormal
-	backpack_contents = list(/obj/item/storage/box/engineer=1,
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,
 		/obj/item/clothing/mask/gas/sechailer=1,
 		/obj/item/gun/energy/e_gun=1)
 
@@ -269,7 +269,7 @@
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/paranormal/inquisitor
 
-	backpack_contents = list(/obj/item/storage/box/engineer=1,
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,
 		/obj/item/storage/box/handcuffs=1,
 		/obj/item/clothing/mask/gas/sechailer=1,
 		/obj/item/gun/energy/e_gun/stun=1,
@@ -281,7 +281,7 @@
 
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/paranormal/inquisitor
 
-	backpack_contents = list(/obj/item/storage/box/engineer=1,
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,
 		/obj/item/melee/baton/loaded=1,
 		/obj/item/clothing/mask/gas/sechailer=1,
 		/obj/item/gun/energy/e_gun=1,
@@ -307,7 +307,7 @@
 	glasses = /obj/item/clothing/glasses/hud/health
 	back = /obj/item/storage/backpack/cultpack
 	belt = /obj/item/storage/belt/soulstone
-	backpack_contents = list(/obj/item/storage/box/engineer=1,
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,
 		/obj/item/nullrod=1,
 		/obj/item/clothing/mask/gas/sechailer=1,
 		/obj/item/gun/energy/e_gun=1,
@@ -319,7 +319,7 @@
 	suit = /obj/item/clothing/suit/space/hardsuit/ert/paranormal/inquisitor
 
 	belt = /obj/item/storage/belt/soulstone/full/chappy
-	backpack_contents = list(/obj/item/storage/box/engineer=1,
+	backpack_contents = list(/obj/item/storage/box/survival/engineer=1,
 		/obj/item/grenade/chem_grenade/holy=1,
 		/obj/item/nullrod=1,
 		/obj/item/clothing/mask/gas/sechailer=1,

code/modules/clothing/outfits/vr.dm

@@ -28,7 +28,7 @@
 	id = /obj/item/card/id/syndicate/locked_banking
 	belt = /obj/item/gun/ballistic/automatic/pistol
 	l_pocket = /obj/item/paper/fluff/vr/fluke_ops
-	backpack_contents = list(/obj/item/storage/box/syndie=1,\
+	backpack_contents = list(/obj/item/storage/box/survival/syndie=1,\
 		/obj/item/kitchen/knife/combat/survival)
 	starting_funds = 0 //Should be operating, not shopping.
 

code/modules/clothing/suits/armor.dm

@@ -136,11 +136,18 @@
 	icon_state = "syndievest"
 	mutantrace_variation = STYLE_DIGITIGRADE
 
-/obj/item/clothing/suit/armor/vest/capcarapace/alt
+/obj/item/clothing/suit/toggle/captains_parade
 	name = "captain's parade jacket"
 	desc = "For when an armoured vest isn't fashionable enough."
 	icon_state = "capformal"
 	item_state = "capspacesuit"
+	body_parts_covered = CHEST|GROIN|ARMS
+	armor = list("melee" = 50, "bullet" = 40, "laser" = 50, "energy" = 50, "bomb" = 25, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 90, "wound" = 10)
+	togglename = "buttons"
+
+/obj/item/clothing/suit/toggle/captains_parade/Initialize()
+	. = ..()
+	allowed = GLOB.security_wintercoat_allowed
 
 /obj/item/clothing/suit/armor/riot
 	name = "riot suit"
@@ -319,3 +326,29 @@
 	cold_protection = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
 	min_cold_protection_temperature = SPACE_SUIT_MIN_TEMP_PROTECT
 	armor = list("melee" = 25, "bullet" = 20, "laser" = 20, "energy" = 10, "bomb" = 20, "bio" = 50, "rad" = 20, "fire" = -10, "acid" = 50,  "wound" = 10)
+
+/obj/item/clothing/suit/toggle/armor/vest/centcom_formal
+	name = "\improper CentCom formal coat"
+	desc = "A stylish coat given to CentCom Commanders. Perfect for sending ERTs to suicide missions with style!"
+	icon_state = "centcom_formal"
+	item_state = "centcom"
+	body_parts_covered = CHEST|GROIN|ARMS
+	armor = list("melee" = 35, "bullet" = 40, "laser" = 40, "energy" = 50, "bomb" = 35, "bio" = 10, "rad" = 10, "fire" = 10, "acid" = 60)
+	togglename = "buttons"
+
+/obj/item/clothing/suit/toggle/armor/vest/centcom_formal/Initialize()
+	. = ..()
+	allowed = GLOB.security_wintercoat_allowed
+
+/obj/item/clothing/suit/toggle/armor/hos/hos_formal
+	name = "\improper Head of Security's parade jacket"
+	desc = "For when an armoured vest isn't fashionable enough."
+	icon_state = "hosformal"
+	item_state = "hostrench"
+	body_parts_covered = CHEST|GROIN|ARMS
+	armor = list("melee" = 30, "bullet" = 30, "laser" = 30, "energy" = 40, "bomb" = 25, "bio" = 0, "rad" = 0, "fire" = 70, "acid" = 90, "wound" = 10)
+	togglename = "buttons"
+
+/obj/item/clothing/suit/toggle/armor/hos/hos_formal/Initialize()
+	. = ..()
+	allowed = GLOB.security_wintercoat_allowed

code/modules/events/supermatter_surge.dm

@@ -27,13 +27,27 @@
 				if(prob(low_threat_perc))
 					severity = "low; the supermatter should return to normal operation shortly."
 				else
-					severity = "medium; the supermatter should return to normal operation, but check NT CIMS to ensure this."
+					severity = "medium; the supermatter should return to normal operation, but regardless, check if the emitters may need to be turned off temporarily."
 			else
-				severity = "high; if the supermatter's cooling is not fortified, coolant may need to be added."
+				severity = "high; the emitters likely need to be turned off, and if the supermatter's cooling loop is not fortified, pre-cooled gas may need to be added."
 		if(100000 to INFINITY)
-			severity = "extreme; emergency action is likely to be required even if coolant loop is fine."
+			severity = "extreme; emergency action is likely to be required even if coolant loop is fine. Turn off the emitters and make sure the loop is properly cooling gases."
 	if(power > 20000 || prob(round(power/200)))
 		priority_announce("Supermatter surge detected. Estimated severity is [severity]", "Anomaly Alert")
 
 /datum/round_event/supermatter_surge/start()
-	GLOB.main_supermatter_engine.matter_power += power
+	var/obj/machinery/power/supermatter_crystal/supermatter = GLOB.main_supermatter_engine
+	var/power_proportion = supermatter.powerloss_inhibitor/2 // what % of the power goes into matter power, at most 50%
+	// we reduce the proportion that goes into actual matter power based on powerloss inhibitor
+	// primarily so the supermatter doesn't tesla the instant these happen
+	supermatter.matter_power += power * power_proportion
+	var/datum/gas_mixture/methane_puff = new
+	var/selected_gas = pick(4;GAS_CO2, 10;GAS_METHANE, 4;GAS_H2O, 1;GAS_BZ, 1;GAS_METHYL_BROMIDE)
+	methane_puff.set_moles(selected_gas, 500)
+	methane_puff.set_temperature(500)
+	var/energy_ratio = (power * 500 * (1-power_proportion)) / methane_puff.thermal_energy()
+	if(energy_ratio < 1) // energy output we want is lower than current energy, reduce the amount of gas we puff out
+		methane_puff.set_moles(GAS_METHANE, energy_ratio * 500)
+	else // energy output we want is higher than current energy, increase its actual heat
+		methane_puff.set_temperature(energy_ratio * 500)
+	supermatter.assume_air(methane_puff)

code/modules/jobs/job_types/atmospheric_technician.dm

@@ -39,7 +39,7 @@
 	backpack = /obj/item/storage/backpack/industrial
 	satchel = /obj/item/storage/backpack/satchel/eng
 	duffelbag = /obj/item/storage/backpack/duffelbag/engineering
-	box = /obj/item/storage/box/engineer
+	box = /obj/item/storage/box/survival/engineer
 	pda_slot = SLOT_L_STORE
 	backpack_contents = list(/obj/item/modular_computer/tablet/preset/advanced=1)
 

code/modules/jobs/job_types/chief_engineer.dm

@@ -54,7 +54,7 @@
 	backpack = /obj/item/storage/backpack/industrial
 	satchel = /obj/item/storage/backpack/satchel/eng
 	duffelbag = /obj/item/storage/backpack/duffelbag/engineering
-	box = /obj/item/storage/box/engineer
+	box = /obj/item/storage/box/survival/engineer
 	pda_slot = SLOT_L_STORE
 	chameleon_extras = /obj/item/stamp/ce
 

code/modules/jobs/job_types/head_of_security.dm

@@ -58,7 +58,7 @@
 	backpack = /obj/item/storage/backpack/security
 	satchel = /obj/item/storage/backpack/satchel/sec
 	duffelbag = /obj/item/storage/backpack/duffelbag/sec
-	box = /obj/item/storage/box/security
+	box = /obj/item/storage/box/survival/security
 
 	implants = list(/obj/item/implant/mindshield)
 

code/modules/jobs/job_types/security_officer.dm

@@ -133,7 +133,7 @@ GLOBAL_LIST_INIT(available_depts, list(SEC_DEPT_ENGINEERING, SEC_DEPT_MEDICAL, S
 	backpack = /obj/item/storage/backpack/security
 	satchel = /obj/item/storage/backpack/satchel/sec
 	duffelbag = /obj/item/storage/backpack/duffelbag/sec
-	box = /obj/item/storage/box/security
+	box = /obj/item/storage/box/survival/security
 
 	implants = list(/obj/item/implant/mindshield)
 

code/modules/jobs/job_types/shaft_miner.dm

@@ -45,7 +45,7 @@
 	backpack = /obj/item/storage/backpack/explorer
 	satchel = /obj/item/storage/backpack/satchel/explorer
 	duffelbag = /obj/item/storage/backpack/duffelbag
-	box = /obj/item/storage/box/survival_mining
+	box = /obj/item/storage/box/survival/mining
 
 	chameleon_extras = /obj/item/gun/energy/kinetic_accelerator
 

code/modules/jobs/job_types/station_engineer.dm

@@ -42,7 +42,7 @@
 	backpack = /obj/item/storage/backpack/industrial
 	satchel = /obj/item/storage/backpack/satchel/eng
 	duffelbag = /obj/item/storage/backpack/duffelbag/engineering
-	box = /obj/item/storage/box/engineer
+	box = /obj/item/storage/box/survival/engineer
 	pda_slot = SLOT_L_STORE
 	backpack_contents = list(/obj/item/modular_computer/tablet/preset/advanced=1)
 

code/modules/jobs/job_types/warden.dm

@@ -54,7 +54,7 @@
 	backpack = /obj/item/storage/backpack/security
 	satchel = /obj/item/storage/backpack/satchel/sec
 	duffelbag = /obj/item/storage/backpack/duffelbag/sec
-	box = /obj/item/storage/box/security
+	box = /obj/item/storage/box/survival/security
 
 	implants = list(/obj/item/implant/mindshield)
 

code/modules/mob/dead/new_player/sprite_accessories/hair_head.dm

@@ -1058,3 +1058,58 @@
 /datum/sprite_accessory/hair/zone
 	name = "Zone"
 	icon_state = "hair_zone"
+
+/datum/sprite_accessory/hair_gradient
+	icon = 'icons/mob/hair_gradients.dmi'
+
+/datum/sprite_accessory/hair_gradient/none
+	name = "None"
+	icon_state = "none"
+
+/datum/sprite_accessory/hair_gradient/fadeup
+	name = "Fade Up"
+	icon_state = "fadeup"
+
+/datum/sprite_accessory/hair_gradient/fadedown
+	name = "Fade Down"
+	icon_state = "fadedown"
+
+/datum/sprite_accessory/hair_gradient/vertical_split
+	name = "Vertical Split"
+	icon_state = "vsplit"
+
+/datum/sprite_accessory/hair_gradient/_split
+	name = "Horizontal Split"
+	icon_state = "bottomflat"
+
+/datum/sprite_accessory/hair_gradient/reflected
+	name = "Reflected"
+	icon_state = "reflected_high"
+
+/datum/sprite_accessory/hair_gradient/reflected_inverse
+	name = "Reflected Inverse"
+	icon_state = "reflected_inverse_high"
+
+/datum/sprite_accessory/hair_gradient/wavy
+	name = "Wavy"
+	icon_state = "wavy"
+
+/datum/sprite_accessory/hair_gradient/long_fade_up
+	name = "Long Fade Up"
+	icon_state = "long_fade_up"
+
+/datum/sprite_accessory/hair_gradient/long_fade_down
+	name = "Long Fade Down"
+	icon_state = "long_fade_down"
+
+/datum/sprite_accessory/hair_gradient/short_fade_up
+	name = "Short Fade Up"
+	icon_state = "short_fade_up"
+
+/datum/sprite_accessory/hair_gradient/short_fade_down
+	name = "Short Fade Down"
+	icon_state = "short_fade_down"
+
+/datum/sprite_accessory/hair_gradient/wavy_spike
+	name = "Spiked Wavy"
+	icon_state = "wavy_spiked"

code/modules/mob/dead/new_player/sprite_accessories/synthliz.dm

@@ -38,14 +38,14 @@
 	icon = 'modular_citadel/icons/mob/synthliz_body_markings.dmi'
 	name = "Synthetic Lizard - Pecs Light"
 	icon_state = "synthlizpecslight"
-	covered_limbs = list("Chest" = MATRIX_GREEN_BLUE)
+	covered_limbs = list("Chest" = MATRIX_GREEN_BLUE, "Left Arm" = MATRIX_BLUE, "Right Arm" = MATRIX_BLUE, "Left Leg" = MATRIX_GREEN, "Right Leg" = MATRIX_GREEN)
 
 /datum/sprite_accessory/mam_body_markings/synthliz
 	recommended_species = list("synthliz")
 	icon = 'modular_citadel/icons/mob/synthliz_body_markings.dmi'
 	name = "Synthetic Lizard - Plates"
 	icon_state = "synthlizscutes"
-	covered_limbs = list("Chest" = MATRIX_GREEN)
+	covered_limbs = list("Chest" = MATRIX_GREEN, "Left Leg" = MATRIX_GREEN, "Right Leg" = MATRIX_GREEN)
 
 //Synth tails
 /datum/sprite_accessory/tails/mam_tails/synthliz

code/modules/mob/dead/new_player/sprite_accessories/tails.dm

@@ -542,6 +542,20 @@
 	icon = 'modular_citadel/icons/mob/mam_tails.dmi'
 	matrixed_sections = MATRIX_RED_GREEN
 
+/datum/sprite_accessory/tails/human/takahiro_kitsune
+	name = "Takahiro Kitsune Tails" //takahiro had five tails i just wanted to follow the 'T' naming convention vs. tamamo and triple
+	icon_state = "7sune"
+	color_src = MATRIXED
+	icon = 'modular_citadel/icons/mob/mam_tails.dmi'
+	matrixed_sections = MATRIX_RED_GREEN
+
+/datum/sprite_accessory/tails_animated/human/takahiro_kitsune
+	name = "Takahiro Kitsune Tails"
+	icon_state = "7sune"
+	color_src = MATRIXED
+	icon = 'modular_citadel/icons/mob/mam_tails.dmi'
+	matrixed_sections = MATRIX_RED_GREEN
+
 /datum/sprite_accessory/tails/human/tentacle
 	name = "Tentacle"
 	icon_state = "tentacle"

code/modules/mob/dead/observer/observer.dm

@@ -176,7 +176,7 @@ GLOBAL_VAR_INIT(observer_default_invisibility, INVISIBILITY_OBSERVER)
  * Hair will always update its dir, so if your sprite has no dirs the haircut will go all over the place.
  * |- Ricotez
  */
-/mob/dead/observer/update_icon(new_form)
+/mob/dead/observer/update_icon(updates=ALL, new_form=null)
 	. = ..()
 	if(client) //We update our preferences in case they changed right before update_icon was called.
 		ghost_accs = client.prefs.ghost_accs

code/modules/mob/living/carbon/human/human_defines.dm

@@ -20,6 +20,11 @@
 	var/hair_color = "000"
 	var/hair_style = "Bald"
 
+	///Colour used for the hair gradient.
+	var/grad_color = "000"
+	///Style used for the hair gradient.
+	var/grad_style
+
 	//Facial hair colour and style
 	var/facial_hair_color = "000"
 	var/facial_hair_style = "Shaved"
@@ -81,6 +86,8 @@
 
 	tooltips = TRUE
 
+	var/additional_language //the additional language this human can speak from their preference selection
+
 /// Unarmed parry data for human
 /datum/block_parry_data/unarmed/human
 	parry_respect_clickdelay = TRUE

code/modules/mob/living/carbon/human/species.dm

@@ -52,6 +52,10 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 	var/hair_color
 	///The alpha used by the hair. 255 is completely solid, 0 is invisible.
 	var/hair_alpha = 255
+	///The gradient style used for the mob's hair.
+	var/grad_style
+	///The gradient color used to color the gradient.
+	var/grad_color
 
 	///Does the species use skintones or not? As of now only used by humans.
 	var/use_skintones = FALSE
@@ -678,6 +682,7 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 
 	if(!hair_hidden || dynamic_hair_suffix)
 		var/mutable_appearance/hair_overlay = mutable_appearance(layer = -HAIR_LAYER)
+		var/mutable_appearance/gradient_overlay = mutable_appearance(layer = -HAIR_LAYER)
 		if(!hair_hidden && !H.getorgan(/obj/item/organ/brain)) //Applies the debrained overlay if there is no brain
 			if(!(NOBLOOD in species_traits))
 				hair_overlay.icon = 'icons/mob/human_parts.dmi'
@@ -713,8 +718,21 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 							hair_overlay.color = "#" + hair_color
 					else
 						hair_overlay.color = "#" + H.hair_color
+
+					//Gradients
+					grad_style = H.grad_style
+					grad_color = H.grad_color
+					if(grad_style)
+						var/datum/sprite_accessory/gradient = GLOB.hair_gradients_list[grad_style]
+						var/icon/temp = icon(gradient.icon, gradient.icon_state)
+						var/icon/temp_hair = icon(hair_file, hair_state)
+						temp.Blend(temp_hair, ICON_ADD)
+						gradient_overlay.icon = temp
+						gradient_overlay.color = "#" + grad_color
+
 				else
 					hair_overlay.color = forced_colour
+
 				hair_overlay.alpha = hair_alpha
 
 				if(OFFSET_HAIR in H.dna.species.offset_features)
@@ -723,6 +741,7 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 
 		if(hair_overlay.icon)
 			standing += hair_overlay
+			standing += gradient_overlay
 
 	if(standing.len)
 		H.overlays_standing[HAIR_LAYER] = standing

code/modules/mob/living/simple_animal/friendly/mouse.dm

@@ -98,6 +98,16 @@
 		qdel(bigcheese)
 		evolve()
 		return
+	for(var/obj/item/trash/garbage in range(1, src))
+		if(prob(2))
+			qdel(garbage)
+			evolve_plague()
+			return
+	for(var/obj/effect/decal/cleanable/blood/gibs/leftovers in range(1, src))
+		if(prob(2))
+			qdel(leftovers)
+			evolve_plague()
+			return
 
 /**
   *Checks the mouse cap, if it's above the cap, doesn't spawn a mouse. If below, spawns a mouse and adds it to cheeserats.
@@ -123,6 +133,13 @@
 		mind.transfer_to(regalrat)
 	qdel(src)
 
+/mob/living/simple_animal/mouse/proc/evolve_plague()
+	var/mob/living/simple_animal/hostile/plaguerat = new /mob/living/simple_animal/hostile/plaguerat(loc)
+	visible_message("<span class='warning'>[src] devours the food! He rots into something worse!</span>")
+	if(mind)
+		mind.transfer_to(plaguerat)
+	qdel(src)
+
 /*
  * Mouse types
  */
@@ -169,3 +186,16 @@ GLOBAL_VAR(tom_existed)
 /obj/item/reagent_containers/food/snacks/deadmouse/on_grind()
 	reagents.clear_reagents()
 
+/mob/living/simple_animal/mouse/proc/miasma(datum/gas_mixture/environment, check_temp = FALSE)
+	if(isturf(src.loc) && isopenturf(src.loc))
+		var/turf/open/ST = src.loc
+		var/miasma_moles = ST.air.get_moles(GAS_MIASMA)
+		if(prob(5) && miasma_moles >= 5)
+			evolve_plague()
+		else if(miasma_moles >= 20)
+			evolve_plague()
+			return
+
+/mob/living/simple_animal/mouse/handle_environment(datum/gas_mixture/environment)
+	. = ..()
+	miasma()

code/modules/mob/living/simple_animal/gremlin/gremlin.dm

@@ -0,0 +1,254 @@
+#define GREMLIN_VENT_CHANCE 1.75
+
+//Gremlins
+//Small monsters that don't attack humans or other animals. Instead they mess with electronics, computers and machinery
+
+//List of objects that gremlins can't tamper with (because nobody coded an interaction for it)
+//List starts out empty. Whenever a gremlin finds a machine that it couldn't tamper with, the machine's type is added here, and all machines of such type are ignored from then on (NOT SUBTYPES)
+GLOBAL_LIST(bad_gremlin_items)
+
+/mob/living/simple_animal/hostile/gremlin
+	name = "gremlin"
+	desc = "This tiny creature finds great joy in discovering and using technology. Nothing excites it more than pushing random buttons on a computer to see what it might do."
+	icon = 'icons/mob/mob.dmi'
+	icon_state = "gremlin"
+	icon_living = "gremlin"
+	icon_dead = "gremlin_dead"
+
+	var/in_vent = FALSE
+
+	health = 20
+	maxHealth = 20
+	search_objects = 3 //Completely ignore mobs
+
+	//Tampering is handled by the 'npc_tamper()' obj proc
+	wanted_objects = list(
+		/obj/machinery,
+		/obj/item/reagent_containers/food,
+		/obj/structure/sink
+	)
+
+	var/obj/machinery/atmospherics/components/unary/vent_pump/entry_vent
+	var/obj/machinery/atmospherics/components/unary/vent_pump/exit_vent
+
+	dextrous = TRUE
+	possible_a_intents = list(INTENT_HELP, INTENT_GRAB, INTENT_DISARM, INTENT_HARM)
+	faction = list("meme", "gremlin")
+	speed = 0.5
+	gold_core_spawnable = 2
+	unique_name = TRUE
+
+	//Ensure gremlins don't attack other mobs
+	melee_damage_upper = 0
+	melee_damage_lower = 0
+	attack_sound = null
+	obj_damage = 0
+	environment_smash = ENVIRONMENT_SMASH_NONE
+
+	//List of objects that we don't even want to try to tamper with
+	//Subtypes of these are calculated too
+	var/list/unwanted_objects = list(/obj/machinery/atmospherics/pipe, /turf, /obj/structure) //ensure gremlins dont try to fuck with walls / normal pipes / glass / etc
+
+	var/min_next_vent = 0
+
+	//Amount of ticks spent pathing to the target. If it gets above a certain amount, assume that the target is unreachable and stop
+	var/time_chasing_target = 0
+
+	//If you're going to make gremlins slower, increase this value - otherwise gremlins will abandon their targets too early
+	var/max_time_chasing_target = 2
+
+	var/next_eat = 0
+
+	//Last 20 heard messages are remembered by gremlins, and will be used to generate messages for comms console tampering, etc...
+	var/list/hear_memory = list()
+	var/const/max_hear_memory = 20
+
+/mob/living/simple_animal/hostile/gremlin/Initialize()
+	. = ..()
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+	access_card = new /obj/item/card/id(src)
+	var/datum/job/captain/C = new /datum/job/captain
+	access_card.access = C.get_access()
+
+/mob/living/simple_animal/hostile/gremlin/AttackingTarget()
+	var/is_hungry = world.time >= next_eat || prob(25)
+	if(istype(target, /obj/item/reagent_containers/food) && is_hungry) //eat food if we're hungry or bored
+		visible_message("<span class='danger'>[src] hungrily devours [target]!</span>")
+		playsound(src, 'sound/items/eatfood.ogg', 50, 1)
+		qdel(target)
+		LoseTarget()
+		next_eat = world.time + rand(700, 3000) //anywhere from 70 seconds to 5 minutes until the gremlin is hungry again
+		return
+	if(istype(target, /obj))
+		var/obj/M = target
+		tamper(M)
+		if(prob(50)) //50% chance to move to the next machine
+			LoseTarget()
+
+/mob/living/simple_animal/hostile/gremlin/Hear(message, atom/movable/speaker, message_langs, raw_message, radio_freq, list/spans, message_mode)
+	. = ..()
+	if(message)
+		hear_memory.Insert(1, raw_message)
+		if(hear_memory.len > max_hear_memory)
+			hear_memory.Cut(hear_memory.len)
+
+/mob/living/simple_animal/hostile/gremlin/proc/generate_markov_input()
+	var/result = ""
+
+	for(var/memory in hear_memory)
+		result += memory + " "
+
+	return result
+
+/mob/living/simple_animal/hostile/gremlin/proc/generate_markov_chain()
+	return markov_chain(generate_markov_input(), rand(2,5), rand(100,700)) //The numbers are chosen arbitarily
+
+/mob/living/simple_animal/hostile/gremlin/proc/tamper(obj/M)
+	switch(M.npc_tamper_act(src))
+		if(NPC_TAMPER_ACT_FORGET)
+			visible_message(pick(
+			"<span class='notice'>\The [src] plays around with \the [M], but finds it rather boring.</span>",
+			"<span class='notice'>\The [src] tries to think of some more ways to screw \the [M] up, but fails miserably.</span>",
+			"<span class='notice'>\The [src] decides to ignore \the [M], and starts looking for something more fun.</span>"))
+
+			LAZYADD(GLOB.bad_gremlin_items,M.type)
+			return FALSE
+		if(NPC_TAMPER_ACT_NOMSG)
+			//Don't create a visible message
+			return TRUE
+
+		else
+			visible_message(pick(
+			"<span class='danger'>\The [src]'s eyes light up as \he tampers with \the [M].</span>",
+			"<span class='danger'>\The [src] twists some knobs around on \the [M] and bursts into laughter!</span>",
+			"<span class='danger'>\The [src] presses a few buttons on \the [M] and giggles mischievously.</span>",
+			"<span class='danger'>\The [src] rubs its hands devilishly and starts messing with \the [M].</span>",
+			"<span class='danger'>\The [src] turns a small valve on \the [M].</span>"))
+
+	//Add a clue for detectives to find. The clue is only added if no such clue already existed on that machine
+	return TRUE
+
+/mob/living/simple_animal/hostile/gremlin/CanAttack(atom/new_target)
+	if(LAZYFIND(GLOB.bad_gremlin_items,new_target.type))
+		return FALSE
+	if(is_type_in_list(new_target, unwanted_objects))
+		return FALSE
+	if(istype(new_target, /obj/machinery))
+		var/obj/machinery/M = new_target
+		if(M.stat) //Unpowered or broken
+			return FALSE
+		else if(istype(new_target, /obj/machinery/door/firedoor))
+			var/obj/machinery/door/firedoor/F = new_target
+			//Only tamper with firelocks that are closed, opening them!
+			if(!F.density)
+				return FALSE
+
+	return ..()
+
+/mob/living/simple_animal/hostile/gremlin/death(gibbed)
+	walk(src,0)
+	QDEL_NULL(access_card)
+	return ..()
+
+/mob/living/simple_animal/hostile/gremlin/Life()
+	. = ..()
+	if(!health || stat == DEAD)
+		return
+	//Don't try to path to one target for too long. If it takes longer than a certain amount of time, assume it can't be reached and find a new one
+	if(!client) //don't do this shit if there's a client, they're capable of ventcrawling manually
+		if(in_vent)
+			target = null
+		if(entry_vent && get_dist(src, entry_vent) <= 1)
+			var/list/vents = list()
+			var/datum/pipeline/entry_vent_parent = entry_vent.parents[1]
+			for(var/obj/machinery/atmospherics/components/unary/vent_pump/temp_vent in entry_vent_parent.other_atmosmch)
+				vents += temp_vent
+			if(!vents.len)
+				entry_vent = null
+				in_vent = FALSE
+				return
+			exit_vent = pick(vents)
+			visible_message("<span class='notice'>[src] crawls into the ventilation ducts!</span>")
+
+			loc = exit_vent
+			var/travel_time = round(get_dist(loc, exit_vent.loc) / 2)
+			addtimer(CALLBACK(src, .proc/exit_vents), travel_time) //come out at exit vent in 2 to 20 seconds
+
+
+		if(world.time > min_next_vent && !entry_vent && !in_vent && prob(GREMLIN_VENT_CHANCE)) //small chance to go into a vent
+			for(var/obj/machinery/atmospherics/components/unary/vent_pump/v in view(7,src))
+				if(!v.welded)
+					entry_vent = v
+					in_vent = TRUE
+					walk_to(src, entry_vent)
+					break
+	if(!target)
+		time_chasing_target = 0
+	else
+		if(++time_chasing_target > max_time_chasing_target)
+			LoseTarget()
+			time_chasing_target = 0
+	. = ..()
+
+/mob/living/simple_animal/hostile/gremlin/EscapeConfinement()
+	if(istype(loc, /obj) && CanAttack(loc)) //If we're inside a machine, screw with it
+		var/obj/M = loc
+		tamper(M)
+
+	return ..()
+
+/mob/living/simple_animal/hostile/gremlin/proc/exit_vents()
+	if(!exit_vent || exit_vent.welded)
+		loc = entry_vent
+		entry_vent = null
+		return
+	loc = exit_vent.loc
+	entry_vent = null
+	exit_vent = null
+	in_vent = FALSE
+	var/area/new_area = get_area(loc)
+	message_admins("[src] came out at [new_area][ADMIN_JMP(loc)]!")
+	if(new_area)
+		new_area.Entered(src)
+	visible_message("<span class='notice'>[src] climbs out of the ventilation ducts!</span>")
+	min_next_vent = world.time + 900 //90 seconds between ventcrawls
+
+//This allows player-controlled gremlins to tamper with machinery
+/mob/living/simple_animal/hostile/gremlin/UnarmedAttack(var/atom/A)
+	if(istype(A, /obj/machinery) || istype(A, /obj/structure))
+		tamper(A)
+	if(istype(target, /obj/item/reagent_containers/food)) //eat food
+		visible_message("<span class='danger'>[src] hungrily devours [target]!</span>", "<span class='danger'>You hungrily devour [target]!</span>")
+		playsound(src, 'sound/items/eatfood.ogg', 50, 1)
+		qdel(target)
+		LoseTarget()
+		next_eat = world.time + rand(700, 3000) //anywhere from 70 seconds to 5 minutes until the gremlin is hungry again
+
+	return ..()
+
+/mob/living/simple_animal/hostile/gremlin/IsAdvancedToolUser()
+	return 1
+
+/mob/living/simple_animal/hostile/gremlin/proc/divide()
+	//Health is halved and then reduced by 2. A new gremlin is spawned with the same health as the parent
+	//Need to have at least 6 health for this, otherwise resulting health would be less than 1
+	if(health < 7.5)
+		return
+
+	visible_message("<span class='notice'>\The [src] splits into two!</span>")
+	var/mob/living/simple_animal/hostile/gremlin/G = new /mob/living/simple_animal/hostile/gremlin(get_turf(src))
+
+	if(mind)
+		mind.transfer_to(G)
+
+	health = round(health * 0.5) - 2
+	maxHealth = health
+	resize *= 0.9
+
+	G.health = health
+	G.maxHealth = maxHealth
+
+/mob/living/simple_animal/hostile/gremlin/traitor
+	health = 85
+	maxHealth = 85
+	gold_core_spawnable = 0

code/modules/mob/living/simple_animal/gremlin/gremlin_act.dm

@@ -0,0 +1,214 @@
+/obj/proc/npc_tamper_act(mob/living/L)
+	return NPC_TAMPER_ACT_FORGET
+
+/obj/machinery/atmospherics/components/binary/passive_gate/npc_tamper_act(mob/living/L)
+	if(prob(50)) //Turn on/off
+		on = !on
+		investigate_log("was turned [on ? "on" : "off"] by [key_name(L)]", INVESTIGATE_ATMOS)
+	else //Change pressure
+		target_pressure = rand(0, MAX_OUTPUT_PRESSURE)
+		investigate_log("was set to [target_pressure] kPa by [key_name(L)]", INVESTIGATE_ATMOS)
+	update_icon()
+
+/obj/machinery/atmospherics/components/binary/pump/npc_tamper_act(mob/living/L)
+	if(prob(50)) //Turn on/off
+		on = !on
+		investigate_log("was turned [on ? "on" : "off"] by [key_name(L)]", INVESTIGATE_ATMOS)
+	else //Change pressure
+		target_pressure = rand(0, MAX_OUTPUT_PRESSURE)
+		investigate_log("was set to [target_pressure] kPa by [key_name(L)]", INVESTIGATE_ATMOS)
+	update_icon()
+
+/obj/machinery/atmospherics/components/binary/volume_pump/npc_tamper_act(mob/living/L)
+	if(prob(50)) //Turn on/off
+		on = !on
+		investigate_log("was turned [on ? "on" : "off"] by [key_name(L)]", INVESTIGATE_ATMOS)
+	else //Change pressure
+		transfer_rate = rand(0, MAX_TRANSFER_RATE)
+		investigate_log("was set to [transfer_rate] L/s by [key_name(L)]", INVESTIGATE_ATMOS)
+	update_icon()
+
+/obj/machinery/atmospherics/components/binary/valve/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/space_heater/npc_tamper_act(mob/living/L)
+	var/list/choose_modes = list("standby", "heat", "cool")
+	if(prob(50))
+		choose_modes -= mode
+		mode = pick(choose_modes)
+	else
+		on = !on
+	update_icon()
+
+/obj/machinery/shield_gen/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/firealarm/npc_tamper_act(mob/living/L)
+	alarm()
+
+/obj/machinery/airalarm/npc_tamper_act(mob/living/L)
+	if(panel_open)
+		wires.npc_tamper(L)
+	else
+		panel_open = !panel_open
+
+/obj/machinery/ignition_switch/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/flasher_button/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/crema_switch/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/camera/npc_tamper_act(mob/living/L)
+	if(!panel_open)
+		panel_open = !panel_open
+	if(wires)
+		wires.npc_tamper(L)
+
+/obj/machinery/atmospherics/components/unary/cryo_cell/npc_tamper_act(mob/living/L)
+	if(prob(50))
+		if(beaker)
+			beaker.forceMove(loc)
+			beaker = null
+	else
+		if(occupant)
+			if(state_open)
+				if (close_machine() == usr)
+					on = TRUE
+			else
+				open_machine()
+
+/obj/machinery/door_control/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/door/airlock/npc_tamper_act(mob/living/L)
+	//Open the firelocks as well, otherwise they block the way for our gremlin which isn't fun
+	for(var/obj/machinery/door/firedoor/F in get_turf(src))
+		if(F.density)
+			F.npc_tamper_act(L)
+
+	if(prob(40)) //40% - mess with wires
+		if(!panel_open)
+			panel_open = !panel_open
+		if(wires)
+			wires.npc_tamper(L)
+	else //60% - just open it
+		open()
+
+/obj/machinery/gibber/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/light_switch/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/turretid/npc_tamper_act(mob/living/L)
+	enabled = rand(0, 1)
+	lethal = rand(0, 1)
+	updateTurrets()
+
+/obj/machinery/vending/npc_tamper_act(mob/living/L)
+	if(!panel_open)
+		panel_open = !panel_open
+	if(wires)
+		wires.npc_tamper(L)
+
+/obj/machinery/shower/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+
+/obj/machinery/deepfryer/npc_tamper_act(mob/living/L)
+	//Deepfry a random nearby item
+	var/list/pickable_items = list()
+
+	for(var/obj/item/I in range(1, L))
+		pickable_items.Add(I)
+
+	if(!pickable_items.len)
+		return
+
+	var/obj/item/I = pick(pickable_items)
+
+	attackby(I, L) //shove the item in, even if it can't be deepfried normally
+
+/obj/machinery/power/apc/npc_tamper_act(mob/living/L)
+	if(!panel_open)
+		panel_open = !panel_open
+	if(wires)
+		wires.npc_tamper(L)
+
+/obj/machinery/power/rad_collector/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/power/emitter/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/particle_accelerator/control_box/npc_tamper_act(mob/living/L)
+	if(!panel_open)
+		panel_open = !panel_open
+	if(wires)
+		wires.npc_tamper(L)
+
+/obj/machinery/computer/communications/npc_tamper_act(mob/living/user)
+	if(!authenticated)
+		if(prob(20)) //20% chance to log in
+			authenticated = TRUE
+
+	else //Already logged in
+		if(prob(50)) //50% chance to log off
+			authenticated = FALSE
+		else if(istype(user, /mob/living/simple_animal/hostile/gremlin)) //make a hilarious public message
+			var/mob/living/simple_animal/hostile/gremlin/G = user
+			var/result = G.generate_markov_chain()
+
+			if(result)
+				if(prob(85))
+					SScommunications.make_announcement(G, FALSE, result)
+					var/turf/T = get_turf(G)
+					log_say("[key_name(usr)] ([ADMIN_JMP(T)]) has made a captain announcement: [result]")
+					message_admins("[key_name_admin(G)] has made a captain announcement.", 1)
+				else
+					if(SSshuttle.emergency.mode == SHUTTLE_IDLE)
+						SSshuttle.requestEvac(G, result)
+					else if(SSshuttle.emergency.mode == SHUTTLE_ESCAPE)
+						SSshuttle.cancelEvac(G)
+
+/obj/machinery/button/door/npc_tamper_act(mob/living/L)
+	attack_hand(L)
+
+/obj/machinery/sleeper/npc_tamper_act(mob/living/L)
+	if(prob(75))
+		inject_chem(pick(available_chems))
+	else
+		if(state_open)
+			close_machine()
+		else
+			open_machine()
+
+/obj/machinery/power/smes/npc_tamper_act(mob/living/L)
+	if(prob(50)) //mess with input
+		input_level = rand(0, input_level_max)
+	else //mess with output
+		output_level = rand(0, output_level_max)
+
+/obj/machinery/syndicatebomb/npc_tamper_act(mob/living/L) //suicide bomber gremlins
+	if(!open_panel)
+		open_panel = !open_panel
+	if(wires)
+		wires.npc_tamper(L)
+
+/obj/machinery/computer/bank_machine/npc_tamper_act(mob/living/L)
+	siphoning = !siphoning
+
+/obj/machinery/computer/slot_machine/npc_tamper_act(mob/living/L)
+	spin(L)
+
+/obj/structure/sink/npc_tamper_act(mob/living/L)
+	if(istype(L, /mob/living/simple_animal/hostile/gremlin))
+		visible_message("<span class='danger'>\The [L] climbs into \the [src] and turns the faucet on!</span>")
+
+		var/mob/living/simple_animal/hostile/gremlin/G = L
+		G.divide()
+
+	return NPC_TAMPER_ACT_NOMSG

code/modules/mob/living/simple_animal/gremlin/gremlin_event.dm

@@ -0,0 +1,44 @@
+/datum/round_event_control/gremlin
+	name = "Spawn Gremlins"
+	typepath = /datum/round_event/gremlin
+	weight = 15
+	max_occurrences = 2
+	earliest_start = 20 MINUTES
+	min_players = 5
+
+
+
+/datum/round_event/gremlin
+	var/static/list/acceptable_spawns = list("xeno_spawn", "generic event spawn", "blobstart", "Assistant")
+
+/datum/round_event/gremlin/announce()
+	priority_announce("Bioscans indicate that some gremlins entered through the vents. Deal with them!", "Gremlin Alert", 'sound/announcer/classic/attention.ogg')
+
+/datum/round_event/gremlin/start()
+
+	var/list/spawn_locs = list()
+
+	for(var/obj/effect/landmark/L in GLOB.landmarks_list)
+		if(isturf(L.loc) && !isspaceturf(L.loc))
+			if(L.name in acceptable_spawns)
+				spawn_locs += L.loc
+	if(!spawn_locs.len) //If we can't find any gremlin spawns, try the xeno spawns
+		for(var/obj/effect/landmark/L in GLOB.landmarks_list)
+			if(isturf(L.loc))
+				switch(L.name)
+					if("Assistant")
+						spawn_locs += L.loc
+	if(!spawn_locs.len) //If we can't find THAT, then just give up and cry
+		return MAP_ERROR
+
+	var/gremlins_to_spawn = rand(2,5)
+	var/list/gremlin_areas = list()
+	for(var/i = 0, i <= gremlins_to_spawn, i++)
+		var/spawnat = pick(spawn_locs)
+		spawn_locs -= spawnat
+		gremlin_areas += get_area(spawnat)
+		new /mob/living/simple_animal/hostile/gremlin(spawnat)
+	var/grems = gremlin_areas.Join(", ")
+	message_admins("Gremlins have been spawned at the areas: [grems]")
+	log_game("Gremlins have been spawned at the areas: [grems]")
+	return SUCCESSFUL_SPAWN

code/modules/mob/living/simple_animal/hostile/plaguerat.dm

@@ -0,0 +1,131 @@
+/mob/living/simple_animal/hostile/plaguerat
+	name = "plague rat"
+	desc = "A large decaying rat.  It spreads its filth and emits a putrid odor to create more of its kind."
+	icon_state = "plaguerat"
+	icon_living = "plaguerat"
+	icon_dead = "plaguerat_dead"
+	speak = list("Skree!","SKREEE!","Squeak?")
+	speak_emote = list("squeaks")
+	emote_hear = list("Hisses.")
+	emote_see = list("runs in a circle.", "stands on its hind legs.")
+	gender = NEUTER
+	speak_chance = 1
+	turns_per_move = 5
+	maxHealth = 15
+	health = 15
+	see_in_dark = 6
+	obj_damage = 10
+	butcher_results = list(/obj/item/reagent_containers/food/snacks/meat/slab = 1)
+	response_help_continuous = "glares at"
+	response_help_simple = "glare at"
+	response_disarm_continuous = "skoffs at"
+	response_disarm_simple = "skoff at"
+	response_harm_continuous = "slashes"
+	response_harm_simple = "slash"
+	melee_damage_lower = 5
+	melee_damage_upper = 7
+	attack_verb_continuous = "slashes"
+	attack_verb_simple = "slash"
+	attack_sound = 'sound/weapons/punch1.ogg'
+	faction = list("rat")
+	density = FALSE
+	pass_flags = PASSTABLE | PASSGRILLE | PASSMOB
+	mob_size = MOB_SIZE_TINY
+	mob_biotypes = MOB_ORGANIC|MOB_BEAST
+	var/datum/action/cooldown/scavenge
+	var/last_spawn_time = 0
+	///Number assigned to rats and mice, checked when determining infighting.
+
+/mob/living/simple_animal/hostile/plaguerat/Initialize()
+	. = ..()
+	SSmobs.cheeserats += src
+	AddComponent(/datum/component/swarming)
+	AddElement(/datum/element/ventcrawling, given_tier = VENTCRAWLER_ALWAYS)
+	scavenge = new /datum/action/cooldown/scavenge
+	scavenge.Grant(src)
+
+/mob/living/simple_animal/hostile/plaguerat/Destroy()
+	SSmobs.cheeserats -= src
+	return ..()
+
+/mob/living/simple_animal/hostile/plaguerat/BiologicalLife(seconds, times_fired)
+	if(!(. = ..()))
+		return
+	if(isopenturf(loc))
+		var/turf/open/T = src.loc
+		if(T.air)
+			T.atmos_spawn_air("miasma=5;TEMP=293.15")
+	if(prob(40))
+		scavenge.Trigger()
+	if(prob(50))
+		var/turf/open/floor/F = get_turf(src)
+		if(istype(F) && !F.intact)
+			var/obj/structure/cable/C = locate() in F
+			if(C && C.avail())
+				visible_message("<span class='warning'>[src] chews through the [C]. It looks unharmed!</span>")
+				playsound(src, 'sound/effects/sparks2.ogg', 100, TRUE)
+				C.deconstruct()
+	for(var/obj/O in range(1,src))
+		if(istype(O, /obj/item/trash) || istype(O, /obj/effect/decal/cleanable/blood/gibs))
+			qdel(O)
+			be_fruitful()
+
+/mob/living/simple_animal/hostile/plaguerat/CanAttack(atom/the_target)
+	if(istype(the_target,/mob/living/simple_animal))
+		var/mob/living/A = the_target
+		if(istype(the_target, /mob/living/simple_animal/hostile/plaguerat) && A.stat == CONSCIOUS)
+			var/mob/living/simple_animal/hostile/plaguerat/R = the_target
+			if(R.faction_check_mob(src, TRUE))
+				return FALSE
+			else
+				return TRUE
+	return ..()
+
+/**
+  *Checks the mouse cap, if it's above the cap, doesn't spawn a mouse. If below, spawns a mouse and adds it to cheeserats.
+  */
+
+/mob/living/simple_animal/hostile/plaguerat/proc/be_fruitful()
+	var/cap = CONFIG_GET(number/ratcap)
+	if(LAZYLEN(SSmobs.cheeserats) >= cap)
+		visible_message("<span class='warning'>[src] gnaws into its food, [cap] rats are now on the station!</span>")
+		return
+	var/mob/living/newmouse = new /mob/living/simple_animal/hostile/plaguerat(loc)
+	SSmobs.cheeserats += newmouse
+	visible_message("<span class='notice'>[src] gnaws into its food, attracting another rat!</span>")
+
+/**
+  *Creates a chance to spawn more trash or gibs to repopulate.  Otherwise, spawns a corpse or dirt.
+  */
+
+/datum/action/cooldown/scavenge
+	name = "Scavenge"
+	desc = "Spread the plague, scavenge for trash and fresh meat to reproduce."
+	icon_icon = 'icons/mob/actions/actions_animal.dmi'
+	background_icon_state = "bg_clock"
+	button_icon_state = "coffer"
+	cooldown_time = 50
+
+/datum/action/cooldown/scavenge/Trigger()
+	. = ..()
+	if(!.)
+		return
+	var/turf/T = get_turf(owner)
+	var/loot = rand(1,100)
+	switch(loot)
+		if(1 to 3)
+			var/pickedtrash = pick(GLOB.ratking_trash)
+			to_chat(owner, "<span class='notice'>Excellent, you find more trash to spread your filth!</span>")
+			new /obj/effect/decal/cleanable/dirt(T)
+			new pickedtrash(T)
+		if(4 to 6)
+			to_chat(owner, "<span class='notice'>You find blood and gibs to feed your young!</span>")
+			new /obj/effect/decal/cleanable/blood/gibs(T)
+			new /obj/effect/decal/cleanable/blood/(T)
+		if(7 to 18)
+			to_chat(owner, "<span class='notice'>A corpse rises from the ground. Best to leave it alone.</span>")
+			new /obj/effect/mob_spawn/human/corpse/assistant(T)
+		if(19 to 100)
+			to_chat(owner, "<span class='notice'>Drat. Nothing.</span>")
+			new /obj/effect/decal/cleanable/dirt(T)
+	StartCooldown()

code/modules/mob/living/simple_animal/hostile/space_dragon.dm

@@ -109,7 +109,7 @@
 			continue
 		playsound(src, 'sound/effects/splat.ogg', 50, TRUE)
 		visible_message("<span class='danger'>[src] vomits up [consumed_mob]!</span>")
-		consumed_mob.forceMove(loc)
+		consumed_mob.forceMove(get_turf(src))
 		consumed_mob.Paralyze(50)
 	if((rifts_charged == 3 || (SSshuttle.emergency.mode == SHUTTLE_DOCKED && rifts_charged > 0)) && !objective_complete)
 		victory()
@@ -123,6 +123,7 @@
 		to_chat(src, "<span class='boldwarning'>You've failed to summon the rift in a timely manner!  You're being pulled back from whence you came!</span>")
 		destroy_rifts()
 		playsound(src, 'sound/magic/demon_dies.ogg', 100, TRUE)
+		empty_contents()
 		QDEL_NULL(src)
 
 /mob/living/simple_animal/hostile/space_dragon/AttackingTarget()
@@ -351,7 +352,7 @@
   */
 /mob/living/simple_animal/hostile/space_dragon/proc/empty_contents()
 	for(var/atom/movable/AM in src)
-		AM.forceMove(loc)
+		AM.forceMove(get_turf(src))
 		if(prob(90))
 			step(AM, pick(GLOB.alldirs))
 
@@ -529,7 +530,7 @@
 /obj/structure/carp_rift
 	name = "carp rift"
 	desc = "A rift akin to the ones space carp use to travel long distances."
-	armor = list(MELEE = 0, BULLET = 0, LASER = 0, ENERGY = 100, BOMB = 50, BIO = 100, RAD = 100, FIRE = 100, ACID = 100)
+	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 100, "bomb" = 50, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
 	max_integrity = 300
 	icon = 'icons/obj/carp_rift.dmi'
 	icon_state = "carp_rift_carpspawn"
@@ -636,7 +637,7 @@
 		icon_state = "carp_rift_charged"
 		light_color = LIGHT_COLOR_YELLOW
 		update_light()
-		armor = list(MELEE = 100, BULLET = 100, LASER = 100, ENERGY = 100, BOMB = 100, BIO = 100, RAD = 100, FIRE = 100, ACID = 100)
+		armor = list("melee" = 100, "bullet" = 100, "laser" = 100, "energy" = 100, "bomb" = 100, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
 		resistance_flags = INDESTRUCTIBLE
 		dragon.rifts_charged += 1
 		if(dragon.rifts_charged != 3 && !dragon.objective_complete)

code/modules/mob/mob.dm

@@ -238,6 +238,7 @@
 
 	if(istype(W))
 		if(equip_to_slot_if_possible(W, slot, FALSE, FALSE, FALSE, FALSE, TRUE))
+			W.apply_outline()
 			return TRUE
 
 	if(!W)

code/modules/power/supermatter/supermatter.dm

@@ -39,7 +39,8 @@
 #define DAMAGE_INCREASE_MULTIPLIER 0.25
 
 
-#define THERMAL_RELEASE_MODIFIER 5         //Higher == less heat released during reaction, not to be confused with the above values
+#define THERMAL_RELEASE_MODIFIER 350         //Higher == more heat released during reaction, not to be confused with the above values
+#define THERMAL_RELEASE_CAP_MODIFIER 250     //Higher == lower cap on how much heat can be released per tick--currently 1.3x old value
 #define PLASMA_RELEASE_MODIFIER 750        //Higher == less plasma released by reaction
 #define OXYGEN_RELEASE_MODIFIER 325        //Higher == less oxygen released at high temperature/power
 
@@ -500,7 +501,8 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 		powerloss_dynamic_scaling = clamp(powerloss_dynamic_scaling + clamp(powerloss_inhibition_gas - powerloss_dynamic_scaling, -0.02, 0.02), 0, 1)
 	else
 		powerloss_dynamic_scaling = clamp(powerloss_dynamic_scaling - 0.05, 0, 1)
-	//Ranges from 0 to 1(1-(value between 0 and 1 * ranges from 1 to 1.5(mol / 500)))
+	//Ranges from 0 to 1 (1-(value between 0 and 1 * ranges from 1 to 1.5(mol / 500)))
+	//0 means full inhibition, 1 means no inhibition
 	//We take the mol count, and scale it to be our inhibitor
 	powerloss_inhibitor = clamp(1-(powerloss_dynamic_scaling * clamp(combined_gas/POWERLOSS_INHIBITION_MOLE_BOOST_THRESHOLD, 1, 1.5)), 0, 1)
 
@@ -536,15 +538,19 @@ GLOBAL_DATUM(main_supermatter_engine, /obj/machinery/power/supermatter_crystal)
 	//Power * 0.55 * a value between 1 and 0.8
 	var/device_energy = power * REACTION_POWER_MODIFIER
 
-	removed.set_temperature(removed.return_temperature() + ((device_energy * dynamic_heat_modifier) / THERMAL_RELEASE_MODIFIER))
-	//We don't want our output to be too hot
-	removed.set_temperature(max(0, min(removed.return_temperature(), 2500 * dynamic_heat_modifier)))
+	var/effective_temperature = min(removed.return_temperature(), 2500 * dynamic_heat_modifier)
 
+	var/max_temp_increase = effective_temperature + ((device_energy * dynamic_heat_modifier) / THERMAL_RELEASE_CAP_MODIFIER)
 	//Calculate how much gas to release
 	//Varies based on power and gas content
 	removed.adjust_moles(GAS_PLASMA, max((device_energy * dynamic_heat_modifier) / PLASMA_RELEASE_MODIFIER, 0))
 	//Varies based on power, gas content, and heat
-	removed.adjust_moles(GAS_O2, max(((device_energy + removed.return_temperature() * dynamic_heat_modifier) - T0C) / OXYGEN_RELEASE_MODIFIER, 0))
+	removed.adjust_moles(GAS_O2, max(((device_energy + effective_temperature * dynamic_heat_modifier) - T0C) / OXYGEN_RELEASE_MODIFIER, 0))
+
+	if(removed.return_temperature() < max_temp_increase)
+		removed.adjust_heat(device_energy * dynamic_heat_modifier * THERMAL_RELEASE_MODIFIER)
+		removed.set_temperature(min(removed.return_temperature(), max_temp_increase))
+
 
 	if(produces_gas)
 		env.merge(removed)

code/modules/projectiles/guns/energy.dm

@@ -44,7 +44,7 @@
 		cell.use(round(cell.charge * severity/100))
 		chambered = null //we empty the chamber
 		recharge_newshot() //and try to charge a new shot
-		update_icon()
+		update_appearance()
 
 /obj/item/gun/energy/get_cell()
 	return cell
@@ -61,7 +61,7 @@
 	recharge_newshot(TRUE)
 	if(selfcharge)
 		START_PROCESSING(SSobj, src)
-	update_icon()
+	update_appearance()
 
 /obj/item/gun/energy/ComponentInitialize()
 	. = ..()
@@ -74,7 +74,7 @@
 /obj/item/gun/energy/handle_atom_del(atom/A)
 	if(A == cell)
 		cell = null
-		update_icon()
+		update_appearance()
 	return ..()
 
 /obj/item/gun/energy/examine(mob/user)
@@ -100,7 +100,7 @@
 		cell.give(100)
 		if(!chambered) //if empty chamber we try to charge a new shot
 			recharge_newshot(TRUE)
-		update_icon()
+		update_appearance()
 
 // ATTACK SELF IGNORING PARENT RETURN VALUE
 /obj/item/gun/energy/attack_self(mob/living/user)
@@ -174,7 +174,7 @@
 	if(user_for_feedback)
 		to_chat(user_for_feedback, "<span class='notice'>[src] is now set to [C.select_name || C].</span>")
 	post_set_firemode()
-	update_icon(TRUE)
+	update_appearance()
 
 /obj/item/gun/energy/proc/post_set_firemode(recharge_newshot = TRUE)
 	if(recharge_newshot)

code/modules/reagents/reagent_containers/hypospray.dm

@@ -58,6 +58,7 @@
 	name = "combat stimulant injector"
 	desc = "A modified air-needle autoinjector, used by support operatives to quickly heal injuries in combat and get people back in the fight."
 	amount_per_transfer_from_this = 10
+	item_state = "combat_hypo"
 	icon_state = "combat_hypo"
 	volume = 100
 	ignore_flags = 1 // So they can heal their comrades.
@@ -69,17 +70,27 @@
 	list_reagents = list(/datum/reagent/medicine/epinephrine = 30, /datum/reagent/medicine/omnizine = 30, /datum/reagent/medicine/leporazine = 15, /datum/reagent/medicine/atropine = 15)
 
 /obj/item/reagent_containers/hypospray/combat/nanites
-	desc = "A modified air-needle autoinjector for use in combat situations. Prefilled with experimental medical compounds for rapid healing."
+	name = "experimental combat stimulant injector"
+	desc = "A modified air-needle autoinjector for use in combat situations. Prefilled with experimental medical nanites and a stimulant for rapid healing and a combat boost."
+	item_state = "nanite_hypo"
+	icon_state = "nanite_hypo"
 	volume = 100
 	list_reagents = list(/datum/reagent/medicine/adminordrazine/quantum_heal = 80, /datum/reagent/medicine/synaptizine = 20)
 
-/obj/item/reagent_containers/hypospray/magillitis
-	name = "experimental autoinjector"
-	desc = "A modified air-needle autoinjector with a small single-use reservoir. It contains an experimental serum."
-	icon_state = "combat_hypo"
-	volume = 5
-	reagent_flags = NONE
-	list_reagents = list(/datum/reagent/magillitis = 5)
+/obj/item/reagent_containers/hypospray/combat/nanites/update_icon()
+	if(reagents.total_volume > 0)
+		icon_state = initial(icon_state)
+	else
+		icon_state = "[initial(icon_state)]0"
+
+/obj/item/reagent_containers/hypospray/combat/heresypurge
+	name = "holy water piercing injector"
+	desc = "A modified air-needle autoinjector for use in combat situations. Prefilled with 5 doses of a holy water and pacifier mixture. Not for use on your teammates."
+	item_state = "holy_hypo"
+	icon_state = "holy_hypo"
+	volume = 250
+	list_reagents = list(/datum/reagent/water/holywater = 150, /datum/reagent/peaceborg_tire = 50, /datum/reagent/peaceborg_confuse = 50)
+	amount_per_transfer_from_this = 50
 
 //MediPens
 
@@ -136,6 +147,8 @@
 /obj/item/reagent_containers/hypospray/medipen/ekit
 	name = "emergency first-aid autoinjector"
 	desc = "An epinephrine medipen with extra coagulant and antibiotics to help stabilize bad cuts and burns."
+	icon_state = "firstaid"
+	item_state = "firstaid"
 	volume = 15
 	amount_per_transfer_from_this = 15
 	list_reagents = list(/datum/reagent/medicine/epinephrine = 12, /datum/reagent/medicine/coagulant = 2.5, /datum/reagent/medicine/spaceacillin = 0.5)
@@ -143,15 +156,19 @@
 /obj/item/reagent_containers/hypospray/medipen/blood_loss
 	name = "hypovolemic-response autoinjector"
 	desc = "A medipen designed to stabilize and rapidly reverse severe bloodloss."
+	icon_state = "hypovolemic"
+	item_state = "hypovolemic"
 	volume = 15
 	amount_per_transfer_from_this = 15
 	list_reagents = list(/datum/reagent/medicine/epinephrine = 5, /datum/reagent/medicine/coagulant = 2.5, /datum/reagent/iron = 3.5, /datum/reagent/medicine/salglu_solution = 4)
 
 /obj/item/reagent_containers/hypospray/medipen/stimulants
-	name = "illegal stimpack medipen"
-	desc = "A highly illegal medipen due to its load and small injections, allow for five uses before being drained"
+	name = "stimpack medipen"
+	desc = "Contains stimulants."
+	icon_state = "syndipen"
+	item_state = "syndipen"
 	volume = 50
-	amount_per_transfer_from_this = 10
+	amount_per_transfer_from_this = 50
 	list_reagents = list(/datum/reagent/medicine/stimulants = 50)
 
 /obj/item/reagent_containers/hypospray/medipen/stimulants/baseball
@@ -166,6 +183,7 @@
 	name = "stimpack medipen"
 	desc = "A rapid way to stimulate your body's adrenaline, allowing for freer movement in restrictive armor."
 	icon_state = "stimpen"
+	item_state = "stimpen"
 	volume = 20
 	amount_per_transfer_from_this = 20
 	list_reagents = list(/datum/reagent/medicine/ephedrine = 10, /datum/reagent/consumable/coffee = 10)
@@ -177,20 +195,79 @@
 /obj/item/reagent_containers/hypospray/medipen/morphine
 	name = "morphine medipen"
 	desc = "A rapid way to get you out of a tight situation and fast! You'll feel rather drowsy, though."
+	icon_state = "morphen"
+	item_state = "morphen"
+	volume = 10
+	amount_per_transfer_from_this = 10
 	list_reagents = list(/datum/reagent/medicine/morphine = 10)
 
+/obj/item/reagent_containers/hypospray/medipen/penacid
+	name = "pentetic acid medipen"
+	desc = "A autoinjector containing pentetic acid, used to reduce high levels of radiations and moderate toxins."
+	icon_state = "penacid"
+	item_state = "penacid"
+	volume = 10
+	amount_per_transfer_from_this = 10
+	list_reagents = list(/datum/reagent/medicine/pen_acid = 10)
+
+/obj/item/reagent_containers/hypospray/medipen/atropine
+	name = "atropine autoinjector"
+	desc = "A rapid way to save a person from a critical injury state!"
+	icon_state = "atropen"
+	item_state = "atropen"
+	volume = 10
+	amount_per_transfer_from_this = 10
+	list_reagents = list(/datum/reagent/medicine/atropine = 10)
+
+/obj/item/reagent_containers/hypospray/medipen/salacid
+	name = "salicyclic acid medipen"
+	desc = "A autoinjector containing salicyclic acid, used to treat severe brute damage."
+	icon_state = "salacid"
+	item_state = "salacid"
+	volume = 10
+	amount_per_transfer_from_this = 10
+	list_reagents = list(/datum/reagent/medicine/sal_acid = 10)
+
+/obj/item/reagent_containers/hypospray/medipen/oxandrolone
+	name = "oxandrolone medipen"
+	desc = "A autoinjector containing oxandrolone, used to treat severe burns."
+	icon_state = "oxapen"
+	item_state = "oxapen"
+	volume = 10
+	amount_per_transfer_from_this = 10
+	list_reagents = list(/datum/reagent/medicine/oxandrolone = 10)
+
+/obj/item/reagent_containers/hypospray/medipen/salbutamol
+	name = "salbutamol medipen"
+	desc = "A autoinjector containing salbutamol, used to heal oxygen damage quickly."
+	icon_state = "salpen"
+	item_state = "salpen"
+	volume = 10
+	amount_per_transfer_from_this = 10
+	list_reagents = list(/datum/reagent/medicine/salbutamol = 10)
+
 /obj/item/reagent_containers/hypospray/medipen/tuberculosiscure
 	name = "BVAK autoinjector"
 	desc = "Bio Virus Antidote Kit autoinjector. Has a two use system for yourself, and someone else. Inject when infected."
-	icon_state = "stimpen"
+	icon_state = "tbpen"
+	item_state = "tbpen"
 	volume = 60
 	amount_per_transfer_from_this = 30
 	list_reagents = list(/datum/reagent/medicine/atropine = 10, /datum/reagent/medicine/epinephrine = 10, /datum/reagent/medicine/salbutamol = 20, /datum/reagent/medicine/spaceacillin = 20)
 
+/obj/item/reagent_containers/hypospray/medipen/tuberculosiscure/update_icon()
+	if(reagents.total_volume > 30)
+		icon_state = initial(icon_state)
+	else if (reagents.total_volume > 0)
+		icon_state = "[initial(icon_state)]1"
+	else
+		icon_state = "[initial(icon_state)]0"
+
 /obj/item/reagent_containers/hypospray/medipen/survival
 	name = "survival medipen"
 	desc = "A medipen for surviving in the harshest of environments, heals and protects from environmental hazards. WARNING: Do not inject more than one pen in quick succession."
-	icon_state = "stimpen"
+	icon_state = "minepen"
+	item_state = "minepen"
 	volume = 52
 	amount_per_transfer_from_this = 52
 	list_reagents = list(/datum/reagent/medicine/salbutamol = 10, /datum/reagent/medicine/leporazine = 15, /datum/reagent/medicine/neo_jelly = 15, /datum/reagent/medicine/epinephrine = 10, /datum/reagent/medicine/lavaland_extract = 2)
@@ -198,16 +275,21 @@
 /obj/item/reagent_containers/hypospray/medipen/firelocker
 	name = "fire treatment medipen"
 	desc = "A medipen that has been fulled with burn healing chemicals for personnel without advanced medical knowledge."
+	icon_state = "firepen"
+	item_state = "firepen"
 	volume = 15
 	amount_per_transfer_from_this = 15
 	list_reagents = list(/datum/reagent/medicine/oxandrolone = 5, /datum/reagent/medicine/kelotane = 10)
 
-/obj/item/reagent_containers/hypospray/combat/heresypurge
-	name = "holy water autoinjector"
-	desc = "A modified air-needle autoinjector for use in combat situations. Prefilled with 5 doses of a holy water mixture."
-	volume = 250
-	list_reagents = list(/datum/reagent/water/holywater = 150, /datum/reagent/peaceborg_tire = 50, /datum/reagent/peaceborg_confuse = 50)
-	amount_per_transfer_from_this = 50
+/obj/item/reagent_containers/hypospray/medipen/magillitis
+	name = "experimental autoinjector"
+	desc = "A custom-frame needle injector with a small single-use reservoir, containing an experimental serum. Unlike the more common medipen frame, it cannot pierce through protective armor or hardsuits, nor can the chemical inside be extracted."
+	icon_state = "gorillapen"
+	item_state = "gorillapen"
+	volume = 5
+	ignore_flags = 0
+	reagent_flags = NONE
+	list_reagents = list(/datum/reagent/magillitis = 5)
 
 #define HYPO_SPRAY 0
 #define HYPO_INJECT 1

code/modules/research/xenobiology/crossbreeding/_status_effects.dm

@@ -573,6 +573,10 @@
 	if(batteries.len)
 		var/obj/item/stock_parts/cell/ToCharge = pick(batteries)
 		ToCharge.charge += min(ToCharge.maxcharge - ToCharge.charge, ToCharge.maxcharge/10) //10% of the cell, or to maximum.
+		ToCharge.update_appearance() //make sure the cell gets their appearance updated.
+		var/atom/l = ToCharge.loc
+		if(isgun(l)) //updates the gun appearance as well if the cell is inside one.
+			l.update_appearance()
 		to_chat(owner, "<span class='notice'>[linked_extract] discharges some energy into a device you have.</span>")
 	return ..()
 

code/modules/station_goals/dna_vault.dm

@@ -63,10 +63,10 @@
 	name = "DNA Sampler"
 	desc = "Can be used to take chemical and genetic samples of pretty much anything."
 	icon = 'icons/obj/syringe.dmi'
-	item_state = "hypo"
+	item_state = "sampler"
 	lefthand_file = 'icons/mob/inhands/equipment/medical_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/equipment/medical_righthand.dmi'
-	icon_state = "hypo"
+	icon_state = "sampler"
 	item_flags = NOBLUDGEON
 	var/list/animals = list()
 	var/list/plants = list()

code/modules/surgery/organs/lungs.dm

@@ -54,7 +54,8 @@
 
 	var/SA_para_min = 1 //nitrous values
 	var/SA_sleep_min = 5
-	var/BZ_trip_balls_min = 1 //BZ gas
+	var/BZ_trip_balls_min = 0.1 //BZ gas
+	var/BZ_brain_damage_min = 1
 	var/gas_stimulation_min = 0.002 //Nitryl and Stimulum
 
 	var/cold_message = "your face freezing and an icicle forming"
@@ -269,13 +270,13 @@
 	// BZ
 
 		var/bz_pp = PP(breath, GAS_BZ)
-		if(bz_pp > BZ_trip_balls_min)
+		if(bz_pp > BZ_brain_damage_min)
 			H.hallucination += 10
 			H.reagents.add_reagent(/datum/reagent/bz_metabolites,5)
 			if(prob(33))
 				H.adjustOrganLoss(ORGAN_SLOT_BRAIN, 3, 150)
 
-		else if(bz_pp > 0.01)
+		else if(bz_pp > BZ_trip_balls_min)
 			H.hallucination += 5
 			H.reagents.add_reagent(/datum/reagent/bz_metabolites,1)
 
@@ -476,7 +477,7 @@
 	)
 	SA_para_min = 30
 	SA_sleep_min = 50
-	BZ_trip_balls_min = 30
+	BZ_brain_damage_min = 30
 	emp_vulnerability = 3
 
 	cold_level_1_threshold = 200
@@ -509,8 +510,29 @@
 	heat_level_2_threshold = 600 // up 200 from level 1, 1000 is silly but w/e for level 3
 
 /obj/item/organ/lungs/ashwalker/populate_gas_info()
+	// humans usually breathe 21 but require 16/17, so 80% - 1, which is more lenient but it's fine
+	#define SAFE_THRESHOLD_RATIO 0.8
+	var/datum/gas_mixture/breath = SSair.planetary[LAVALAND_DEFAULT_ATMOS] // y'all know
+	var/pressure = breath.return_pressure()
+	var/total_moles = breath.total_moles()
+	for(var/id in breath.get_gases())
+		var/this_pressure = PP(breath, id)
+		var/req_pressure = (this_pressure * SAFE_THRESHOLD_RATIO) - 1
+		if(req_pressure > 0)
+			gas_min[id] = req_pressure
+		if(id in gas_max)
+			gas_max[id] += this_pressure
+	var/bz = breath.get_moles(GAS_BZ)
+	if(bz)
+		BZ_trip_balls_min += bz
+		BZ_brain_damage_min += bz
+
+	gas_max[GAS_N2] = PP(breath, GAS_N2) + 5
+	var/o2_pp = PP(breath, GAS_O2)
+	safe_breath_min = 0.3 * o2_pp
+	safe_breath_max = 1.3 * o2_pp
 	..()
-	gas_max[GAS_N2] = 28
+	#undef SAFE_THRESHOLD_RATIO
 
 /obj/item/organ/lungs/slime
 	name = "vacuole"

code/modules/tooltip/tooltip.dm

@@ -137,7 +137,7 @@ Notes:
 /atom/movable/MouseEntered(location, control, params)
 	. = ..()
 	if(tooltips)
-		if(!QDELETED(src))
+		if(!QDELETED(src) && usr.client.prefs.enable_tips)
 			var/list/tooltip_data = get_tooltip_data()
 			if(length(tooltip_data))
 				var/examine_data = tooltip_data.Join("<br />")

code/modules/uplink/uplink_items/uplink_devices.dm

@@ -213,7 +213,7 @@
 	name = "Stimpack"
 	desc = "Stimpacks, the tool of many great heroes. Makes you nearly immune to non-lethal weaponry for about \
 			5 minutes after injection."
-	item = /obj/item/reagent_containers/syringe/stimulants
+	item = /obj/item/reagent_containers/hypospray/medipen/stimulants
 	cost = 5
 	surplus = 90
 

code/modules/uplink/uplink_items/uplink_roles.dm

@@ -195,7 +195,7 @@
 	name = "Magillitis Serum Autoinjector"
 	desc = "A single-use autoinjector which contains an experimental serum that causes rapid muscular growth in Hominidae. \
 			Side-affects may include hypertrichosis, violent outbursts, and an unending affinity for bananas."
-	item = /obj/item/reagent_containers/hypospray/magillitis
+	item = /obj/item/reagent_containers/hypospray/medipen/magillitis
 	cost = 8
 	restricted_roles = list("Geneticist", "Chief Medical Officer")
 

code/modules/vending/games.dm

@@ -9,6 +9,7 @@
 					/obj/item/toy/cards/deck/cas/black = 3,
 					/obj/item/toy/cards/deck/unum = 3,
 					/obj/item/cardpack/series_one = 10,
+					/obj/item/dyespray=3,
 					/obj/item/tcgcard_binder = 5)
 	contraband = list(/obj/item/dice/fudge = 9)
 	premium = list(/obj/item/melee/skateboard/pro = 3,