fulpstation/code/datums/mutations/actions.dm

/datum/mutation/human/telepathy
	name = "Telepathy"
	desc = "A rare mutation that allows the user to telepathically communicate to others."
	quality = POSITIVE
	text_gain_indication = "<span class='notice'>You can hear your own voice echoing in your mind!</span>"
	text_lose_indication = "<span class='notice'>You don't hear your mind echo anymore.</span>"
	difficulty = 12
	power = /obj/effect/proc_holder/spell/targeted/telepathy
	instability = 10
	energy_coeff = 1


/datum/mutation/human/olfaction
	name = "Transcendent Olfaction"
	desc = "Your sense of smell is comparable to that of a canine."
	quality = POSITIVE
	difficulty = 12
	text_gain_indication = "<span class='notice'>Smells begin to make more sense...</span>"
	text_lose_indication = "<span class='notice'>Your sense of smell goes back to normal.</span>"
	power = /obj/effect/proc_holder/spell/targeted/olfaction
	instability = 30
	synchronizer_coeff = 1
	var/reek = 200

/datum/mutation/human/olfaction/modify()
	if(power)
		var/obj/effect/proc_holder/spell/targeted/olfaction/S = power
		S.sensitivity = GET_MUTATION_SYNCHRONIZER(src)

/obj/effect/proc_holder/spell/targeted/olfaction
	name = "Remember the Scent"
	desc = "Get a scent off of the item you're currently holding to track it. With an empty hand, you'll track the scent you've remembered."
	charge_max = 100
	clothes_req = FALSE
	range = -1
	include_user = TRUE
	action_icon_state = "nose"
	var/mob/living/carbon/tracking_target
	var/list/mob/living/carbon/possible = list()
	var/sensitivity = 1

/obj/effect/proc_holder/spell/targeted/olfaction/cast(list/targets, mob/living/user = usr)
	//can we sniff? is there miasma in the air?
	var/datum/gas_mixture/air = user.loc.return_air()
	var/list/cached_gases = air.gases

	if(cached_gases[/datum/gas/miasma])
		user.adjust_disgust(sensitivity * 45)
		to_chat(user, "<span class='warning'>With your overly sensitive nose, you get a whiff of stench and feel sick! Try moving to a cleaner area!</span>")
		return

	var/atom/sniffed = user.get_active_held_item()
	if(sniffed)
		var/old_target = tracking_target
		possible = list()
		var/list/prints = sniffed.return_fingerprints()
		for(var/mob/living/carbon/C in GLOB.carbon_list)
			if(prints[md5(C.dna.uni_identity)])
				possible |= C
		if(!length(possible))
			to_chat(user,"<span class='warning'>Despite your best efforts, there are no scents to be found on [sniffed]...</span>")
			return
		tracking_target = input(user, "Choose a scent to remember.", "Scent Tracking") as null|anything in possible
		if(!tracking_target)
			if(!old_target)
				to_chat(user,"<span class='warning'>You decide against remembering any scents. Instead, you notice your own nose in your peripheral vision. This goes on to remind you of that one time you started breathing manually and couldn't stop. What an awful day that was.</span>")
				return
			tracking_target = old_target
			on_the_trail(user)
			return
		to_chat(user,"<span class='notice'>You pick up the scent of [tracking_target]. The hunt begins.</span>")
		on_the_trail(user)
		return

	if(!tracking_target)
		to_chat(user,"<span class='warning'>You're not holding anything to smell, and you haven't smelled anything you can track. You smell your skin instead; it's kinda salty.</span>")
		return

	on_the_trail(user)

/obj/effect/proc_holder/spell/targeted/olfaction/proc/on_the_trail(mob/living/user)
	if(!tracking_target)
		to_chat(user,"<span class='warning'>You're not tracking a scent, but the game thought you were. Something's gone wrong! Report this as a bug.</span>")
		return
	if(tracking_target == user)
		to_chat(user,"<span class='warning'>You smell out the trail to yourself. Yep, it's you.</span>")
		return
	if(usr.z < tracking_target.z)
		to_chat(user,"<span class='warning'>The trail leads... way up above you? Huh. They must be really, really far away.</span>")
		return
	else if(usr.z > tracking_target.z)
		to_chat(user,"<span class='warning'>The trail leads... way down below you? Huh. They must be really, really far away.</span>")
		return
	var/direction_text = "[dir2text(get_dir(usr, tracking_target))]"
	if(direction_text)
		to_chat(user,"<span class='notice'>You consider [tracking_target]'s scent. The trail leads <b>[direction_text].</b></span>")

/datum/mutation/human/firebreath
	name = "Fire Breath"
	desc = "An ancient mutation that gives lizards breath of fire."
	quality = POSITIVE
	difficulty = 12
	locked = TRUE
	text_gain_indication = "<span class='notice'>Your throat is burning!</span>"
	text_lose_indication = "<span class='notice'>Your throat is cooling down.</span>"
	power = /obj/effect/proc_holder/spell/aimed/firebreath
	instability = 30
	energy_coeff = 1
	power_coeff = 1

/datum/mutation/human/firebreath/modify()
	if(power)
		var/obj/effect/proc_holder/spell/aimed/firebreath/S = power
		S.strength = GET_MUTATION_POWER(src)

/obj/effect/proc_holder/spell/aimed/firebreath
	name = "Fire Breath"
	desc = "You can breathe fire at a target."
	school = "evocation"
	charge_max = 600
	clothes_req = FALSE
	range = 20
	projectile_type = /obj/projectile/magic/aoe/fireball/firebreath
	base_icon_state = "fireball"
	action_icon_state = "fireball0"
	sound = 'sound/magic/demon_dies.ogg' //horrifying lizard noises
	active_msg = "You built up heat in your mouth."
	deactive_msg = "You swallow the flame."
	var/strength = 1

/obj/effect/proc_holder/spell/aimed/firebreath/before_cast(list/targets)
	. = ..()
	if(iscarbon(usr))
		var/mob/living/carbon/C = usr
		if(C.is_mouth_covered())
			C.adjust_fire_stacks(2)
			C.IgniteMob()
			to_chat(C,"<span class='warning'>Something in front of your mouth caught fire!</span>")
			return FALSE

/obj/effect/proc_holder/spell/aimed/firebreath/ready_projectile(obj/projectile/P, atom/target, mob/user, iteration)
	if(!istype(P, /obj/projectile/magic/aoe/fireball))
		return
	var/obj/projectile/magic/aoe/fireball/F = P
	switch(strength)
		if(1 to 3)
			F.exp_light = strength-1
		if(4 to INFINITY)
			F.exp_heavy = strength-3
	F.exp_fire += strength

/obj/projectile/magic/aoe/fireball/firebreath
	name = "fire breath"
	exp_heavy = 0
	exp_light = 0
	exp_flash = 0
	exp_fire= 4

/datum/mutation/human/void
	name = "Void Magnet"
	desc = "A rare genome that attracts odd forces not usually observed."
	quality = MINOR_NEGATIVE //upsides and downsides
	text_gain_indication = "<span class='notice'>You feel a heavy, dull force just beyond the walls watching you.</span>"
	instability = 30
	power = /obj/effect/proc_holder/spell/self/void
	energy_coeff = 1
	synchronizer_coeff = 1

/datum/mutation/human/void/on_life()
	if(!isturf(owner.loc))
		return
	if(prob((0.5+((100-dna.stability)/20))) * GET_MUTATION_SYNCHRONIZER(src)) //very rare, but enough to annoy you hopefully. +0.5 probability for every 10 points lost in stability
		new /obj/effect/immortality_talisman/void(get_turf(owner), owner)

/obj/effect/proc_holder/spell/self/void
	name = "Convoke Void" //magic the gathering joke here
	desc = "A rare genome that attracts odd forces not usually observed. May sometimes pull you in randomly."
	school = "evocation"
	clothes_req = FALSE
	charge_max = 600
	invocation = "DOOOOOOOOOOOOOOOOOOOOM!!!"
	invocation_type = "shout"
	action_icon_state = "void_magnet"

/obj/effect/proc_holder/spell/self/void/can_cast(mob/user = usr)
	. = ..()
	if(!isturf(user.loc))
		return FALSE

/obj/effect/proc_holder/spell/self/void/cast(mob/user = usr)
	. = ..()
	new /obj/effect/immortality_talisman/void(get_turf(user), user)

/datum/mutation/human/self_amputation
	name = "Autotomy"
	desc = "Allows a creature to voluntary discard a random appendage."
	quality = POSITIVE
	text_gain_indication = "<span class='notice'>Your joints feel loose.</span>"
	instability = 30
	power = /obj/effect/proc_holder/spell/self/self_amputation

	energy_coeff = 1
	synchronizer_coeff = 1

/obj/effect/proc_holder/spell/self/self_amputation
	name = "Drop a limb"
	desc = "Concentrate to make a random limb pop right off your body."
	clothes_req = FALSE
	human_req = FALSE
	charge_max = 100
	action_icon_state = "autotomy"

/obj/effect/proc_holder/spell/self/self_amputation/cast(mob/user = usr)
	if(!iscarbon(user))
		return

	var/mob/living/carbon/C = user
	if(HAS_TRAIT(C, TRAIT_NODISMEMBER))
		return

	var/list/parts = list()
	for(var/X in C.bodyparts)
		var/obj/item/bodypart/BP = X
		if(BP.body_part != HEAD && BP.body_part != CHEST)
			if(BP.dismemberable)
				parts += BP
	if(!parts.len)
		to_chat(usr, "<span class='notice'>You can't shed any more limbs!</span>")
		return

	var/obj/item/bodypart/BP = pick(parts)
	BP.dismember()