Adds Isopods (#31842)

* Adds Isopods

* Fix

* Moved some values

* Om nom nom

* Pickups

* Linters

* Adjusted name

code/modules/events/clogged_disposals.dm

@@ -52,6 +52,7 @@
 		/mob/living/basic/diona_nymph = 5,
 		/mob/living/basic/crab = 5,
 		/mob/living/basic/mouse = 5,
+		/mob/living/basic/isopod/small = 5,
 		/mob/living/simple_animal/pet/dog/corgi = 5,
 		/mob/living/simple_animal/hostile/retaliate/carp/koi = 5
 	)

code/modules/events/infestation.dm

@@ -1,6 +1,7 @@
 #define VERM_MICE 0
 #define VERM_LIZARDS 1
 #define VERM_SPIDERS 2
+#define VERM_ISOPODS 3
 
 /datum/event/infestation
 	name = "Vermin Infestation"
@@ -53,7 +54,7 @@
 /datum/event/infestation/proc/spawn_on_turfs(list/turfs)
 	var/list/spawn_types = list()
 	var/max_number
-	vermin = rand(0, 2)
+	vermin = rand(0, 3)
 	switch(vermin)
 		if(VERM_MICE)
 			spawn_types = list(/mob/living/basic/mouse/gray, /mob/living/basic/mouse/brown, /mob/living/basic/mouse/white)
@@ -67,6 +68,10 @@
 			spawn_types = list(/mob/living/basic/spiderling)
 			max_number = 3
 			vermstring = "spiders"
+		if(VERM_ISOPODS)
+			spawn_types = list(/mob/living/basic/isopod/small)
+			max_number = 2
+			vermstring = "isopods"
 	var/amount_to_spawn = rand(2, max_number)
 	while(length(turfs) && amount_to_spawn > 0)
 		var/turf/simulated/floor/T = pick_n_take(turfs)
@@ -95,3 +100,4 @@
 #undef VERM_MICE
 #undef VERM_LIZARDS
 #undef VERM_SPIDERS
+#undef VERM_ISOPODS

code/modules/mob/living/basic/farm_animals/isopod.dm

@@ -0,0 +1,153 @@
+/mob/living/basic/isopod
+	name = "ahuitz"
+	desc = "A large isopod from Kelune that is usually kept as a ranch animal."
+	icon_state = "ahuitz"
+	icon_living = "ahuitz"
+	icon_dead = "ahuitz_dead"
+	pass_flags = PASSTABLE | PASSMOB
+	mob_biotypes = MOB_ORGANIC | MOB_BUG
+	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
+	butcher_results = list(/obj/item/food/meat = 1)
+	minimum_survivable_temperature = 0
+
+	maxHealth = 75
+	health = 75
+	speed = 2
+
+	// What they sound like
+	voice_name = "ahuitz"
+	speak_emote = list("chitters", "chatters", "clicks", "clacks")
+
+	// Special verbs for when someone interacts with a caterpillar
+	response_help_continuous = "pets"
+	response_help_simple = "pet"
+	response_disarm_continuous = "shoos"
+	response_disarm_simple = "shoo"
+	response_harm_continuous = "kicks"
+	response_harm_simple = "kicks"
+
+	// Xenobiology and cargo are the only ways to get the caterpillar.
+	gold_core_spawnable = FRIENDLY_SPAWN
+
+	melee_attack_cooldown_min = 1.5 SECONDS
+	melee_attack_cooldown_max = 2.5 SECONDS
+	melee_damage_lower = 5
+	melee_damage_upper = 10
+	attack_verb_continuous = "bites"
+	attack_verb_simple = "bite"
+	attack_sound = 'sound/weapons/bite.ogg'
+
+	ai_controller = /datum/ai_controller/basic_controller/isopod
+
+	/// List of stuff that we want to eat
+	var/static/list/edibles = list(
+		/obj/item/food,
+	)
+	/// Max the bug can eat
+	var/max_nutrition = 700
+
+/mob/living/basic/isopod/Initialize(mapload)
+	. = ..()
+	real_name = name
+	AddElement(/datum/element/wears_collar)
+	AddElement(/datum/element/ai_retaliate)
+	AddElement(/datum/element/basic_eating, heal_amt_ = 2, food_types_ = edibles)
+	ai_controller.set_blackboard_key(BB_BASIC_FOODS, typecacheof(edibles))
+	RegisterSignal(src, COMSIG_MOB_PRE_EAT, PROC_REF(check_full))
+	RegisterSignal(src, COMSIG_MOB_ATE, PROC_REF(consume))
+
+/mob/living/basic/isopod/examine_more(mob/user)
+	. = ..()
+	. += "Ahuitz are a species incredibly similar to earth isopods - being crustaceans that are commonly found in Kelune’s oceans. Well suited for cold environments and requiring little \
+	food these creatures are often kept as pets or for aquatic ranching. They have a long history of being pseudo selectively bred. With those intended to be pets often being bred for \
+	bright colors or smaller sizes. They are commonly served in a stew alongside whatever could be foraged, farmed, fished or hunted for. The Ahuitz have little meat relative to their weight \
+	but are very easy to fish up due to their slow speed and inquisitive nature."
+
+/mob/living/basic/isopod/proc/check_full(datum/source, obj/item/potential_food)
+	SIGNAL_HANDLER // COMSIG_MOB_PRE_EAT
+	if(nutrition >= max_nutrition) // Prevents griefing by overeating food items without evolving.
+		to_chat(src, SPAN_WARNING("You're too full to consume this!"))
+		return COMSIG_MOB_TERMINATE_EAT
+
+/mob/living/basic/isopod/proc/consume(datum/source, obj/item/potential_food)
+	SIGNAL_HANDLER // COMSIG_MOB_ATE
+	var/food_reagents = potential_food.reagents.get_reagent_amount("nutriment") + potential_food.reagents.get_reagent_amount("plantmatter") + potential_food.reagents.get_reagent_amount("protein") + potential_food.reagents.get_reagent_amount("vitamin")
+	if(food_reagents < 1)
+		adjust_nutrition(2)
+	else
+		adjust_nutrition(food_reagents * 2)
+	butcher_results = list(/obj/item/food/meat = (MODULUS(nutrition, 100)))
+
+/mob/living/basic/isopod/small
+	name = "deverka"
+	desc = "A small isopod from Kelune that is usually kept as a pet."
+	icon_state = "deverka"
+	icon_living = "deverka"
+	icon_dead = "deverka_dead"
+	maxHealth = 30
+	health = 30
+	melee_damage_lower = 1
+	melee_damage_upper = 5
+	mob_size = MOB_SIZE_SMALL
+	ventcrawler = VENTCRAWLER_ALWAYS
+	holder_type = /obj/item/holder/isopod_smol
+	ai_controller = /datum/ai_controller/basic_controller/isopod/small
+	max_nutrition = 400
+
+/mob/living/basic/isopod/small/attack_hand(mob/living/carbon/human/M)
+	// Let people pick the little buggers up.
+	if(M.a_intent != INTENT_HELP)
+		return ..()
+	if(isrobot(M))
+		M.visible_message(SPAN_NOTICE("[M] playfully boops [src]!"), SPAN_NOTICE("You playfully boop [src]!"))
+	else
+		get_scooped(M)
+
+/mob/living/basic/isopod/small/consume(datum/source, obj/item/potential_food)
+	var/food_reagents = potential_food.reagents.get_reagent_amount("nutriment") + potential_food.reagents.get_reagent_amount("plantmatter") + potential_food.reagents.get_reagent_amount("protein") + potential_food.reagents.get_reagent_amount("vitamin")
+	if(food_reagents < 1)
+		adjust_nutrition(2)
+	else
+		adjust_nutrition(food_reagents * 2)
+
+/datum/ai_controller/basic_controller/isopod
+	blackboard = list(
+		BB_TARGETING_STRATEGY = /datum/targeting_strategy/basic,
+		BB_EAT_FOOD_COOLDOWN = 1 MINUTES, // Isopod wants to eat, but not too fast.
+		BB_SEARCH_RANGE = 3,
+	)
+
+	ai_traits = AI_FLAG_STOP_MOVING_WHEN_PULLED | AI_FLAG_PAUSE_DURING_DO_AFTER
+	ai_movement = /datum/ai_movement/basic_avoidance
+	idle_behavior = /datum/idle_behavior/idle_random_walk
+	planning_subtrees = list(
+		/datum/ai_planning_subtree/random_speech/isopod,
+		/datum/ai_planning_subtree/find_nearest_thing_which_attacked_me_to_flee,
+		/datum/ai_planning_subtree/flee_target,
+		/datum/ai_planning_subtree/find_food/isopod,
+	)
+
+/datum/ai_controller/basic_controller/isopod/small
+	blackboard = list(
+		BB_TARGETING_STRATEGY = /datum/targeting_strategy/basic,
+		BB_EAT_FOOD_COOLDOWN = 4 MINUTES, // Smol isopod wants to eat, but not fast at all.
+		BB_SEARCH_RANGE = 3,
+	)
+
+/datum/ai_planning_subtree/find_food/isopod
+
+/datum/ai_planning_subtree/find_food/isopod/select_behaviors(datum/ai_controller/controller, seconds_per_tick)
+	var/mob/living/basic/isopod/pod = controller.pawn
+	if(pod.nutrition >= pod.max_nutrition)
+		// Put eating on cooldown so it doesn't keep trying to eat.
+		var/food_cooldown = controller.blackboard[BB_EAT_FOOD_COOLDOWN] || EAT_FOOD_COOLDOWN
+		controller.set_blackboard_key(BB_NEXT_FOOD_EAT, world.time + food_cooldown)
+		return SUBTREE_RETURN_FINISH_PLANNING
+	return ..()
+
+/datum/ai_planning_subtree/random_speech/isopod
+	speech_chance = 2
+	sound = list('sound/creatures/chitter.ogg', 'sound/effects/kidanclack.ogg', 'sound/effects/kidanclack2.ogg')
+	emote_hear = list("clicks.", "chitters.", "chatters.", "clacks.")
+	emote_see = list("clicks.", "chitters.", "chatters.", "clacks.")
+

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

@@ -43,7 +43,7 @@
 		"lantern" =  /obj/item/organ/internal/lantern
 		)
 
-	allowed_consumed_mobs = list(/mob/living/basic/diona_nymph)
+	allowed_consumed_mobs = list(/mob/living/basic/diona_nymph, /mob/living/basic/isopod/small)
 
 	suicide_messages = list(
 		"is attempting to bite their antenna off!",

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

@@ -51,6 +51,7 @@
 		/mob/living/basic/butterfly,
 		/mob/living/simple_animal/parrot,
 		/mob/living/basic/bee,
+		/mob/living/basic/isopod/small,
 	)
 
 	suicide_messages = list(

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

@@ -57,6 +57,7 @@
 		/mob/living/basic/butterfly,
 		/mob/living/simple_animal/parrot,
 		/mob/living/basic/bee,
+		/mob/living/basic/isopod/small,
 	)
 
 	suicide_messages = list(

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

@@ -47,6 +47,7 @@
 		/mob/living/basic/butterfly,
 		/mob/living/simple_animal/parrot,
 		/mob/living/basic/bee,
+		/mob/living/basic/isopod/small,
 	)
 
 	suicide_messages = list(

code/modules/mob/living/silicon/ai/ai_mob.dm

@@ -1160,6 +1160,7 @@ GLOBAL_LIST_INIT(ai_verbs_default, list(
 				"Cockroach",
 				"Nian Caterpillar",
 				"Slime",
+				"Isopod",
 				"Mecha-Cat",
 				"Mecha-Fairy",
 				"Mecha-Fox",
@@ -1228,6 +1229,8 @@ GLOBAL_LIST_INIT(ai_verbs_default, list(
 						holo_icon = getHologramIcon(icon('icons/mob/monkey.dmi', "mothroach"), FALSE, hologram_color)
 					if("Slime")
 						holo_icon = getHologramIcon(icon('icons/mob/slimes.dmi', "grey baby slime"), FALSE, hologram_color)
+					if("Isopod")
+						holo_icon = getHologramIcon(icon('icons/mob/animal.dmi', "ahuitz"), FALSE, hologram_color)
 					if("Mecha-Cat")
 						holo_icon = getHologramIcon(icon('icons/mob/pai.dmi', "cat"), FALSE, hologram_color)
 					if("Mecha-Fairy")

code/modules/mob/mob_holder.dm

@@ -100,6 +100,13 @@
 	icon_state = "mothroach"
 	slot_flags = ITEM_SLOT_HEAD
 
+/obj/item/holder/isopod_smol
+	name = "deverka"
+	desc = "A tiny isopod that wriggles and chitters!"
+	icon_state = "deverka"
+	w_class = WEIGHT_CLASS_SMALL
+	slot_flags = null
+
 /obj/item/holder/drone/emagged
 	icon_state = "drone-emagged"
 

code/modules/supply/supply_packs/pack_organic.dm

@@ -243,6 +243,15 @@
 	containertype = /obj/structure/closet/critter/pig
 	containername = "pig crate"
 
+/datum/supply_packs/organic/isopod
+	name = "Ahuitz Crate"
+	cost = 100
+	contains_special = list(
+		"Ahuitz"
+	)
+	containertype = /obj/structure/closet/critter/cow
+	containername = "ahuitz crate"
+
 /datum/supply_packs/organic/goat
 	name = "Goat Crate"
 	cost = 100
@@ -291,6 +300,15 @@
 					/obj/item/toy/cattoy)
 	containername = "cat crate"
 
+/datum/supply_packs/organic/isopod_smol
+	name = "Deverka Crate"
+	cost = 300
+	contains_special = list(
+		"Deverka"
+	)
+	containertype = /obj/structure/closet/critter/isopod_smol
+	containername = "deverka crate"
+
 /datum/supply_packs/organic/pug
 	name = "Pug Crate"
 	cost = 300