Polar bear basic mob conversion (#96295)

Straightforward conversion to basic mob. Only effective change is slight
increase in movement speed. They're still walking punching bags.

🆑
balance: polar bears are tiny bit faster
/🆑

code/modules/mob/living/basic/icemoon/polar_bear/polar_bear.dm

@@ -0,0 +1,72 @@
+// The taxonomy of polar vs space bear left to imagination of the reader
+/mob/living/basic/mining/polarbear
+	name = "polar bear"
+	desc = "An aggressive animal that defends its territory with incredible power. These beasts don't run from their enemies."
+	icon = 'icons/mob/simple/icemoon/icemoon_monsters.dmi'
+	icon_state = "polarbear"
+	icon_living = "polarbear"
+	icon_dead = "polarbear_dead"
+	mob_biotypes = MOB_ORGANIC|MOB_BEAST|MOB_MINING
+
+	friendly_verb_continuous = "growls at"
+	friendly_verb_simple = "growl at"
+	response_help_continuous = "pets"
+	response_help_simple = "pet"
+	response_disarm_continuous = "gently pushes aside"
+	response_disarm_simple = "gently push aside"
+	attack_verb_continuous = "claws"
+	attack_verb_simple = "claw"
+	attack_sound = 'sound/items/weapons/bladeslice.ogg'
+	attack_vis_effect = ATTACK_EFFECT_CLAW
+
+	habitable_atmos = null
+	speed = 2
+	maxHealth = 300
+	health = 300
+	obj_damage = 40
+	melee_damage_lower = 25
+	melee_damage_upper = 25
+	wound_bonus = -5
+	exposed_wound_bonus = 10
+	sharpness = SHARP_EDGED
+
+	move_force = MOVE_FORCE_VERY_STRONG
+	move_resist = MOVE_FORCE_VERY_STRONG
+	pull_force = MOVE_FORCE_VERY_STRONG
+	butcher_results = list(/obj/item/food/meat/slab/bear = 3, /obj/item/stack/sheet/bone = 2)
+	guaranteed_butcher_results = list(/obj/item/stack/sheet/animalhide/goliath_hide/polar_bear_hide = 1)
+	crusher_loot = /obj/item/crusher_trophy/bear_paw
+
+	ai_controller = /datum/ai_controller/basic_controller/polar
+
+/mob/living/basic/mining/polarbear/Initialize(mapload)
+	. = ..()
+
+	add_traits(list(TRAIT_SPACEWALK, TRAIT_SWIMMER, TRAIT_FENCE_CLIMBER, TRAIT_SNOWSTORM_IMMUNE), INNATE_TRAIT)
+	AddElement(/datum/element/ai_retaliate)
+	AddElement(/datum/element/swabable, CELL_LINE_TABLE_BEAR, CELL_VIRUS_TABLE_GENERIC_MOB, 1, 5)
+	AddElement(/datum/element/change_force_on_death, move_force = MOVE_FORCE_DEFAULT, move_resist = MOVE_RESIST_DEFAULT, pull_force = PULL_FORCE_DEFAULT)
+	AddElement(/datum/element/footstep, footstep_type = FOOTSTEP_MOB_CLAW)
+
+/mob/living/basic/mining/polarbear/lesser
+	name = "magic polar bear"
+	desc = "It seems sentient somehow."
+	faction = list(FACTION_NEUTRAL)
+
+/datum/ai_controller/basic_controller/polar
+	blackboard = list(
+		BB_TARGETING_STRATEGY = /datum/targeting_strategy/basic,
+		BB_TARGET_MINIMUM_STAT = HARD_CRIT,
+		BB_AGGRO_RANGE = 2,
+	)
+
+	ai_movement = /datum/ai_movement/basic_avoidance
+	idle_behavior = /datum/idle_behavior/idle_random_walk
+	planning_subtrees = list(
+		/datum/ai_planning_subtree/enrage,
+		/datum/ai_planning_subtree/escape_captivity,
+		/datum/ai_planning_subtree/target_retaliate,
+		/datum/ai_planning_subtree/simple_find_target,
+		/datum/ai_planning_subtree/basic_melee_attack_subtree,
+		/datum/ai_planning_subtree/random_speech/bear,
+	)