/proc/random_blood_type()
	return pick(4;"O-", 36;"O+", 3;"A-", 28;"A+", 1;"B-", 20;"B+", 1;"AB-", 5;"AB+")

/proc/random_eye_color()
	switch(pick(20;"brown",20;"hazel",20;"grey",15;"blue",15;"green",1;"amber",1;"albino"))
		if("brown")
			return "630"
		if("hazel")
			return "542"
		if("grey")
			return pick("666","777","888","999","aaa","bbb","ccc")
		if("blue")
			return "36c"
		if("green")
			return "060"
		if("amber")
			return "fc0"
		if("albino")
			return pick("c","d","e","f") + pick("0","1","2","3","4","5","6","7","8","9") + pick("0","1","2","3","4","5","6","7","8","9")
		else
			return "000"

/proc/random_underwear(gender)
	if(!GLOB.underwear_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/underwear, GLOB.underwear_list, GLOB.underwear_m, GLOB.underwear_f)
	switch(gender)
		if(MALE)
			return pick(GLOB.underwear_m)
		if(FEMALE)
			return pick(GLOB.underwear_f)
		else
			return pick(GLOB.underwear_list)

/proc/random_undershirt(gender)
	if(!GLOB.undershirt_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/undershirt, GLOB.undershirt_list, GLOB.undershirt_m, GLOB.undershirt_f)
	switch(gender)
		if(MALE)
			return pick(GLOB.undershirt_m)
		if(FEMALE)
			return pick(GLOB.undershirt_f)
		else
			return pick(GLOB.undershirt_list)

/proc/random_socks()
	if(!GLOB.socks_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/socks, GLOB.socks_list)
	return pick(GLOB.socks_list)

/proc/random_features()
	if(!GLOB.tails_list_human.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/tails/human, GLOB.tails_list_human)
	if(!GLOB.tails_list_lizard.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/tails/lizard, GLOB.tails_list_lizard)
	if(!GLOB.snouts_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/snouts, GLOB.snouts_list)
	if(!GLOB.horns_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/horns, GLOB.horns_list)
	if(!GLOB.ears_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/ears, GLOB.horns_list)
	if(!GLOB.frills_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/frills, GLOB.frills_list)
	if(!GLOB.spines_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/spines, GLOB.spines_list)
	if(!GLOB.legs_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/legs, GLOB.legs_list)
	if(!GLOB.body_markings_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/body_markings, GLOB.body_markings_list)
	if(!GLOB.wings_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/wings, GLOB.wings_list)
	if(!GLOB.moth_wings_list.len)
		init_sprite_accessory_subtypes(/datum/sprite_accessory/moth_wings, GLOB.moth_wings_list)

	//For now we will always return none for tail_human and ears.
	return(list("mcolor" = pick("FFFFFF","7F7F7F", "7FFF7F", "7F7FFF", "FF7F7F", "7FFFFF", "FF7FFF", "FFFF7F"), "tail_lizard" = pick(GLOB.tails_list_lizard), "tail_human" = "None", "wings" = "None", "snout" = pick(GLOB.snouts_list), "horns" = pick(GLOB.horns_list), "ears" = "None", "frills" = pick(GLOB.frills_list), "spines" = pick(GLOB.spines_list), "body_markings" = pick(GLOB.body_markings_list), "legs" = "Normal Legs", "caps" = pick(GLOB.caps_list), "moth_wings" = pick(GLOB.moth_wings_list)))

/proc/random_hair_style(gender)
	switch(gender)
		if(MALE)
			return pick(GLOB.hair_styles_male_list)
		if(FEMALE)
			return pick(GLOB.hair_styles_female_list)
		else
			return pick(GLOB.hair_styles_list)

/proc/random_facial_hair_style(gender)
	switch(gender)
		if(MALE)
			return pick(GLOB.facial_hair_styles_male_list)
		if(FEMALE)
			return pick(GLOB.facial_hair_styles_female_list)
		else
			return pick(GLOB.facial_hair_styles_list)

/proc/random_unique_name(gender, attempts_to_find_unique_name=10)
	for(var/i in 1 to attempts_to_find_unique_name)
		if(gender==FEMALE)
			. = capitalize(pick(GLOB.first_names_female)) + " " + capitalize(pick(GLOB.last_names))
		else
			. = capitalize(pick(GLOB.first_names_male)) + " " + capitalize(pick(GLOB.last_names))

		if(!findname(.))
			break

/proc/random_unique_lizard_name(gender, attempts_to_find_unique_name=10)
	for(var/i in 1 to attempts_to_find_unique_name)
		. = capitalize(lizard_name(gender))

		if(!findname(.))
			break

/proc/random_unique_plasmaman_name(attempts_to_find_unique_name=10)
	for(var/i in 1 to attempts_to_find_unique_name)
		. = capitalize(plasmaman_name())

		if(!findname(.))
			break

/proc/random_unique_moth_name(attempts_to_find_unique_name=10)
	for(var/i in 1 to attempts_to_find_unique_name)
		. = capitalize(pick(GLOB.moth_first)) + " " + capitalize(pick(GLOB.moth_last))

		if(!findname(.))
			break

/proc/random_skin_tone()
	return pick(GLOB.skin_tones)

GLOBAL_LIST_INIT(skin_tones, list(
	"albino",
	"caucasian1",
	"caucasian2",
	"caucasian3",
	"latino",
	"mediterranean",
	"asian1",
	"asian2",
	"arab",
	"indian",
	"african1",
	"african2"
	))

GLOBAL_LIST_EMPTY(species_list)

/proc/age2agedescription(age)
	switch(age)
		if(0 to 1)
			return "infant"
		if(1 to 3)
			return "toddler"
		if(3 to 13)
			return "child"
		if(13 to 19)
			return "teenager"
		if(19 to 30)
			return "young adult"
		if(30 to 45)
			return "adult"
		if(45 to 60)
			return "middle-aged"
		if(60 to 70)
			return "aging"
		if(70 to INFINITY)
			return "elderly"
		else
			return "unknown"

/proc/do_mob(mob/user , mob/target, time = 30, uninterruptible = 0, progress = 1, datum/callback/extra_checks = null)
	if(!user || !target)
		return 0
	var/user_loc = user.loc

	var/drifting = 0
	if(!user.Process_Spacemove(0) && user.inertia_dir)
		drifting = 1

	var/target_loc = target.loc

	var/holding = user.get_active_held_item()
	var/datum/progressbar/progbar
	if (progress)
		progbar = new(user, time, target)

	var/endtime = world.time+time
	var/starttime = world.time
	. = 1
	while (world.time < endtime)
		stoplag(1)
		if (progress)
			progbar.update(world.time - starttime)
		if(QDELETED(user) || QDELETED(target))
			. = 0
			break
		if(uninterruptible)
			continue

		if(drifting && !user.inertia_dir)
			drifting = 0
			user_loc = user.loc

		if((!drifting && user.loc != user_loc) || target.loc != target_loc || user.get_active_held_item() != holding || user.incapacitated() || (extra_checks && !extra_checks.Invoke()))
			. = 0
			break
	if (progress)
		qdel(progbar)


//some additional checks as a callback for for do_afters that want to break on losing health or on the mob taking action
/mob/proc/break_do_after_checks(list/checked_health, check_clicks)
	if(check_clicks && next_move > world.time)
		return FALSE
	return TRUE

//pass a list in the format list("health" = mob's health var) to check health during this
/mob/living/break_do_after_checks(list/checked_health, check_clicks)
	if(islist(checked_health))
		if(health < checked_health["health"])
			return FALSE
		checked_health["health"] = health
	return ..()

/proc/do_after(mob/user, var/delay, needhand = 1, atom/target = null, progress = 1, datum/callback/extra_checks = null)
	if(!user)
		return 0
	var/atom/Tloc = null
	if(target && !isturf(target))
		Tloc = target.loc

	var/atom/Uloc = user.loc

	var/drifting = 0
	if(!user.Process_Spacemove(0) && user.inertia_dir)
		drifting = 1

	var/holding = user.get_active_held_item()

	var/holdingnull = 1 //User's hand started out empty, check for an empty hand
	if(holding)
		holdingnull = 0 //Users hand started holding something, check to see if it's still holding that

	delay *= user.do_after_coefficent()

	var/datum/progressbar/progbar
	if (progress)
		progbar = new(user, delay, target)

	var/endtime = world.time + delay
	var/starttime = world.time
	. = 1
	while (world.time < endtime)
		stoplag(1)
		if (progress)
			progbar.update(world.time - starttime)

		if(drifting && !user.inertia_dir)
			drifting = 0
			Uloc = user.loc

		if(QDELETED(user) || user.stat || (!drifting && user.loc != Uloc) || (extra_checks && !extra_checks.Invoke()))
			. = 0
			break

		if(isliving(user))
			var/mob/living/L = user
			if(L.IsStun() || L.IsParalyzed())
				. = 0
				break

		if(!QDELETED(Tloc) && (QDELETED(target) || Tloc != target.loc))
			if((Uloc != Tloc || Tloc != user) && !drifting)
				. = 0
				break

		if(needhand)
			//This might seem like an odd check, but you can still need a hand even when it's empty
			//i.e the hand is used to pull some item/tool out of the construction
			if(!holdingnull)
				if(!holding)
					. = 0
					break
			if(user.get_active_held_item() != holding)
				. = 0
				break
	if (progress)
		qdel(progbar)

/mob/proc/do_after_coefficent() // This gets added to the delay on a do_after, default 1
	. = 1
	return

/proc/do_after_mob(mob/user, list/targets, time = 30, uninterruptible = 0, progress = 1, datum/callback/extra_checks, required_mobility_flags = MOBILITY_STAND)
	if(!user || !targets)
		return 0
	if(!islist(targets))
		targets = list(targets)
	var/user_loc = user.loc

	var/drifting = 0
	if(!user.Process_Spacemove(0) && user.inertia_dir)
		drifting = 1

	var/list/originalloc = list()
	for(var/atom/target in targets)
		originalloc[target] = target.loc

	var/holding = user.get_active_held_item()
	var/datum/progressbar/progbar
	if(progress)
		progbar = new(user, time, targets[1])

	var/endtime = world.time + time
	var/starttime = world.time
	var/mob/living/L
	if(isliving(user))
		L = user
	. = 1
	mainloop:
		while(world.time < endtime)
			stoplag(1)
			if(progress)
				progbar.update(world.time - starttime)
			if(QDELETED(user) || !targets)
				. = 0
				break
			if(uninterruptible)
				continue

			if(drifting && !user.inertia_dir)
				drifting = 0
				user_loc = user.loc

			if(L && !CHECK_MULTIPLE_BITFIELDS(L.mobility_flags, required_mobility_flags))
				. = 0
				break

			for(var/atom/target in targets)
				if((!drifting && user_loc != user.loc) || QDELETED(target) || originalloc[target] != target.loc || user.get_active_held_item() != holding || user.incapacitated() || (extra_checks && !extra_checks.Invoke()))
					. = 0
					break mainloop
	if(progbar)
		qdel(progbar)

/proc/is_species(A, species_datum)
	. = FALSE
	if(ishuman(A))
		var/mob/living/carbon/human/H = A
		if(H.dna && istype(H.dna.species, species_datum))
			. = TRUE

/proc/spawn_atom_to_turf(spawn_type, target, amount, admin_spawn=FALSE, list/extra_args)
	var/turf/T = get_turf(target)
	if(!T)
		CRASH("attempt to spawn atom type: [spawn_type] in nullspace")

	var/list/new_args = list(T)
	if(extra_args)
		new_args += extra_args

	for(var/j in 1 to amount)
		var/atom/X = new spawn_type(arglist(new_args))
		if (admin_spawn)
			X.flags_1 |= ADMIN_SPAWNED_1

/proc/spawn_and_random_walk(spawn_type, target, amount, walk_chance=100, max_walk=3, always_max_walk=FALSE, admin_spawn=FALSE)
	var/turf/T = get_turf(target)
	var/step_count = 0
	if(!T)
		CRASH("attempt to spawn atom type: [spawn_type] in nullspace")

	for(var/j in 1 to amount)
		var/atom/movable/X = new spawn_type(T)
		if (admin_spawn)
			X.flags_1 |= ADMIN_SPAWNED_1

		if(always_max_walk || prob(walk_chance))
			if(always_max_walk)
				step_count = max_walk
			else
				step_count = rand(1, max_walk)

			for(var/i in 1 to step_count)
				step(X, pick(NORTH, SOUTH, EAST, WEST))

/proc/deadchat_broadcast(message, mob/follow_target=null, turf/turf_target=null, speaker_key=null, message_type=DEADCHAT_REGULAR)
	message = "<span class='linkify'>[message]</span>"
	for(var/mob/M in GLOB.player_list)
		var/datum/preferences/prefs
		if(M.client && M.client.prefs)
			prefs = M.client.prefs
		else
			prefs = new

		var/adminoverride = 0
		if(M.client && M.client.holder && (prefs.chat_toggles & CHAT_DEAD))
			adminoverride = 1
		if(isnewplayer(M) && !adminoverride)
			continue
		if(M.stat != DEAD && !adminoverride)
			continue
		if(speaker_key && speaker_key in prefs.ignoring)
			continue

		switch(message_type)
			if(DEADCHAT_DEATHRATTLE)
				if(prefs.toggles & DISABLE_DEATHRATTLE)
					continue
			if(DEADCHAT_ARRIVALRATTLE)
				if(prefs.toggles & DISABLE_ARRIVALRATTLE)
					continue

		if(isobserver(M))
			var/rendered_message = message

			if(follow_target)
				var/F
				if(turf_target)
					F = FOLLOW_OR_TURF_LINK(M, follow_target, turf_target)
				else
					F = FOLLOW_LINK(M, follow_target)
				rendered_message = "[F] [message]"
			else if(turf_target)
				var/turf_link = TURF_LINK(M, turf_target)
				rendered_message = "[turf_link] [message]"

			to_chat(M, rendered_message)
		else
			to_chat(M, message)

//Used in chemical_mob_spawn. Generates a random mob based on a given gold_core_spawnable value.
/proc/create_random_mob(spawn_location, mob_class = HOSTILE_SPAWN)
	var/static/list/mob_spawn_meancritters = list() // list of possible hostile mobs
	var/static/list/mob_spawn_nicecritters = list() // and possible friendly mobs

	if(mob_spawn_meancritters.len <= 0 || mob_spawn_nicecritters.len <= 0)
		for(var/T in typesof(/mob/living/simple_animal))
			var/mob/living/simple_animal/SA = T
			switch(initial(SA.gold_core_spawnable))
				if(HOSTILE_SPAWN)
					mob_spawn_meancritters += T
				if(FRIENDLY_SPAWN)
					mob_spawn_nicecritters += T

	var/chosen
	if(mob_class == FRIENDLY_SPAWN)
		chosen = pick(mob_spawn_nicecritters)
	else
		chosen = pick(mob_spawn_meancritters)
	var/mob/living/simple_animal/C = new chosen(spawn_location)
	return C