firebreath change + update to tg genetics + calc patch

code/datums/mutations/cold.dm

@@ -0,0 +1,42 @@
+/datum/mutation/human/geladikinesis
+	name = "Geladikinesis"
+	desc = "Allows the user to concentrate moisture and sub-zero forces into snow."
+	quality = POSITIVE
+	text_gain_indication = "<span class='notice'>Your hand feels cold.</span>"
+	instability = 10
+	difficulty = 10
+	synchronizer_coeff = 1
+	power = /obj/effect/proc_holder/spell/targeted/conjure_item/snow
+
+/obj/effect/proc_holder/spell/targeted/conjure_item/snow
+	name = "Create Snow"
+	desc = "Concentrates cryokinetic forces to create snow, useful for snow-like construction."
+	item_type = /obj/item/stack/sheet/mineral/snow
+	charge_max = 50
+	action_icon_state = "snow"
+
+
+/datum/mutation/human/cryokinesis
+	name = "Cryokinesis"
+	desc = "Draws negative energy from the sub-zero void to freeze surrounding temperatures at subject's will."
+	quality = POSITIVE //upsides and downsides
+	text_gain_indication = "<span class='notice'>Your hand feels cold.</span>"
+	instability = 20
+	difficulty = 12
+	synchronizer_coeff = 1
+	power = /obj/effect/proc_holder/spell/aimed/cryo
+
+/obj/effect/proc_holder/spell/aimed/cryo
+	name = "Cryobeam"
+	desc = "This power fires a frozen bolt at a target."
+	charge_max = 150
+	cooldown_min = 150
+	clothes_req = FALSE
+	range = 3
+	projectile_type = /obj/item/projectile/temp/cryo
+	base_icon_state = "icebeam"
+	action_icon_state = "icebeam"
+	active_msg = "You focus your cryokinesis!"
+	deactive_msg = "You relax."
+	active = FALSE
+