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Bubberstation/code/datums/components/infective.dm
MrMelbert 6c47b380cb Adds "Strong Stomach" quirk, a core CDDA/PZ quirk we've sorely been missing. Also Deviant Tastes dirty food re-nerf. (#82562) 
## About The Pull Request

- Adds Strong Stomach quirk. 
   - 4 points
   - You can eat dirty food without risk of getting disease. 
- You suffer less negative effects from vomiting. Vomit stuns you for
half the duration, and you lose half as much nutrition.

- Reverts https://github.com/tgstation/tgstation/pull/76864 , integrates
its effects into Strong Stomach instead.

## Why It's Good For The Game

- Lotta people (namely Lizards and sometimes Felines with Deviant
Tastes) run gimmicks involving them being a gremlin person and eating
trash off the ground, and it's rather hard to accomplish this now since
it makes you a public medbay enemy # 1. This quirk should give them an
option to avoid that.
- Also (as mentioned in the title) both CDDA and PZ have this trait and
I can't believe we're missing it! This is something in
modifiable-character-traits/quirks-101.

- I moved the effects from #76864 to this quirk because 1. I thought it
was more fitting and 2. I thought the original PR was kinda wack for
what is (generally) a neutral quirk.

## Changelog

🆑 Melbert
add: Adds the Strong Stomach quirk, which allows you to eat grimy food
without worry about disease, and makes you a bit more resilient to the
effects of vomiting.
del: Deviant Tastes no longer prevents you from getting a negative
moodlet from eating dirty food. Strong Stomach does that now.
/🆑

---------

Co-authored-by: Jacquerel <hnevard@gmail.com>
2024-04-17 18:30:36 +00:00

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/datum/component/infective
var/list/datum/disease/diseases //make sure these are the static, non-processing versions!
var/expire_time
var/required_clean_types = CLEAN_TYPE_DISEASE
/// The infection is weak and can only infect on consumption with small chance
var/is_weak = FALSE
/// Chance of weak infection on consumption
var/weak_infection_chance = 10
/datum/component/infective/Initialize(list/datum/disease/_diseases, expire_in, weak = FALSE)
if(islist(_diseases))
diseases = _diseases
else
diseases = list(_diseases)
if(expire_in)
expire_time = world.time + expire_in
QDEL_IN(src, expire_in)
if(!ismovable(parent))
return COMPONENT_INCOMPATIBLE
is_weak = weak
if(is_weak && isitem(parent))
RegisterSignal(parent, COMSIG_FOOD_EATEN, PROC_REF(try_infect_eat))
RegisterSignal(parent, COMSIG_PILL_CONSUMED, PROC_REF(try_infect_eat))
else
var/static/list/disease_connections = list(
COMSIG_ATOM_ENTERED = PROC_REF(try_infect_crossed),
)
AddComponent(/datum/component/connect_loc_behalf, parent, disease_connections)
RegisterSignal(parent, COMSIG_COMPONENT_CLEAN_ACT, PROC_REF(clean))
RegisterSignal(parent, COMSIG_MOVABLE_BUCKLE, PROC_REF(try_infect_buckle))
RegisterSignal(parent, COMSIG_MOVABLE_BUMP, PROC_REF(try_infect_collide))
RegisterSignal(parent, COMSIG_MOVABLE_IMPACT_ZONE, PROC_REF(try_infect_impact_zone))
if(isitem(parent))
RegisterSignal(parent, COMSIG_ITEM_ATTACK_ZONE, PROC_REF(try_infect_attack_zone))
RegisterSignal(parent, COMSIG_ITEM_ATTACK, PROC_REF(try_infect_attack))
RegisterSignal(parent, COMSIG_ITEM_EQUIPPED, PROC_REF(try_infect_equipped))
RegisterSignal(parent, COMSIG_FOOD_EATEN, PROC_REF(try_infect_eat))
RegisterSignal(parent, COMSIG_PILL_CONSUMED, PROC_REF(try_infect_eat))
if(istype(parent, /obj/item/reagent_containers/cup))
RegisterSignal(parent, COMSIG_GLASS_DRANK, PROC_REF(try_infect_drink))
if(isorgan(parent))
RegisterSignal(parent, COMSIG_ORGAN_IMPLANTED, PROC_REF(on_organ_insertion))
else if(istype(parent, /obj/effect/decal/cleanable/blood/gibs))
RegisterSignal(parent, COMSIG_GIBS_STREAK, PROC_REF(try_infect_streak))
/datum/component/infective/proc/on_organ_insertion(obj/item/organ/target, mob/living/carbon/receiver)
SIGNAL_HANDLER
for(var/datum/disease/disease in diseases)
receiver.ForceContractDisease(disease)
qdel(src) // once organ is implanted delete the infective component
/datum/component/infective/proc/try_infect_eat(datum/source, mob/living/eater, mob/living/feeder)
SIGNAL_HANDLER
if(HAS_TRAIT(eater, TRAIT_STRONG_STOMACH))
return
eater.add_mood_event("disgust", /datum/mood_event/disgust/dirty_food)
if(is_weak && !prob(weak_infection_chance))
return
for(var/datum/disease/disease in diseases)
if(!disease.has_required_infectious_organ(eater, ORGAN_SLOT_STOMACH))
continue
eater.ForceContractDisease(disease)
try_infect(feeder, BODY_ZONE_L_ARM)
/datum/component/infective/proc/try_infect_drink(datum/source, mob/living/drinker, mob/living/feeder)
SIGNAL_HANDLER
if(HAS_TRAIT(drinker, TRAIT_STRONG_STOMACH))
return
var/appendage_zone = feeder.held_items.Find(source)
appendage_zone = appendage_zone == 0 ? BODY_ZONE_CHEST : appendage_zone % 2 ? BODY_ZONE_R_ARM : BODY_ZONE_L_ARM
try_infect(feeder, appendage_zone)
for(var/datum/disease/disease in diseases)
if(!disease.has_required_infectious_organ(drinker, ORGAN_SLOT_STOMACH))
continue
drinker.ForceContractDisease(disease)
/datum/component/infective/proc/clean(datum/source, clean_types)
SIGNAL_HANDLER
. = NONE
if(clean_types & required_clean_types)
qdel(src)
return COMPONENT_CLEANED
/datum/component/infective/proc/try_infect_buckle(datum/source, mob/M, force)
SIGNAL_HANDLER
if(isliving(M))
try_infect(M)
/datum/component/infective/proc/try_infect_collide(datum/source, atom/A)
SIGNAL_HANDLER
var/atom/movable/P = parent
if(P.throwing)
//this will be handled by try_infect_impact_zone()
return
if(isliving(A))
try_infect(A)
/datum/component/infective/proc/try_infect_impact_zone(datum/source, mob/living/target, hit_zone)
SIGNAL_HANDLER
try_infect(target, hit_zone)
/datum/component/infective/proc/try_infect_attack_zone(datum/source, mob/living/carbon/target, mob/living/user, hit_zone)
SIGNAL_HANDLER
try_infect(user, BODY_ZONE_L_ARM)
try_infect(target, hit_zone)
/datum/component/infective/proc/try_infect_attack(datum/source, mob/living/target, mob/living/user)
SIGNAL_HANDLER
if(!iscarbon(target)) //this case will be handled by try_infect_attack_zone
try_infect(target)
try_infect(user, BODY_ZONE_L_ARM)
/datum/component/infective/proc/try_infect_equipped(datum/source, mob/living/L, slot)
SIGNAL_HANDLER
var/old_bio_armor
if(isitem(parent))
//if you are putting an infective item on, it obviously will not protect you, so set its bio armor low enough that it will never block ContactContractDisease()
var/obj/item/equipped_item = parent
old_bio_armor = equipped_item.get_armor_rating(BIO)
equipped_item.set_armor_rating(BIO, 0)
try_infect(L, slot2body_zone(slot))
if(isitem(parent))
var/obj/item/equipped_item = parent
equipped_item.set_armor_rating(BIO, old_bio_armor)
/datum/component/infective/proc/try_infect_crossed(datum/source, atom/movable/arrived, atom/old_loc, list/atom/old_locs)
SIGNAL_HANDLER
if(isliving(arrived))
try_infect(arrived, BODY_ZONE_PRECISE_L_FOOT)
/datum/component/infective/proc/try_infect_streak(datum/source, list/directions, list/output_diseases)
SIGNAL_HANDLER
// This blood is not infectable / does not have a diseases list
if(!islist(output_diseases))
return
output_diseases |= diseases
/datum/component/infective/proc/try_infect(mob/living/L, target_zone)
for(var/V in diseases)
L.ContactContractDisease(V, target_zone)
/datum/component/infective/UnregisterFromParent()
. = ..()
UnregisterSignal(parent, list(
COMSIG_FOOD_EATEN,
COMSIG_PILL_CONSUMED,
COMSIG_COMPONENT_CLEAN_ACT,
COMSIG_MOVABLE_BUMP,
COMSIG_MOVABLE_IMPACT_ZONE,
COMSIG_ITEM_ATTACK_ZONE,
COMSIG_ITEM_ATTACK,
COMSIG_ITEM_EQUIPPED,
COMSIG_GLASS_DRANK,
COMSIG_ORGAN_IMPLANTED,
COMSIG_GIBS_STREAK,
))
qdel(GetComponent(/datum/component/connect_loc_behalf))
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