#define LIVER_DEFAULT_HEALTH 100 //amount of damage required for liver failure
#define LIVER_DEFAULT_TOX_TOLERANCE 3 //amount of toxins the liver can filter out
#define LIVER_DEFAULT_TOX_LETHALITY 0.01 //lower values lower how harmful toxins are to the liver
/obj/item/organ/liver
name = "liver"
icon_state = "liver"
w_class = WEIGHT_CLASS_NORMAL
zone = BODY_ZONE_CHEST
slot = ORGAN_SLOT_LIVER
desc = "Pairing suggestion: chianti and fava beans."
maxHealth = STANDARD_ORGAN_THRESHOLD
healing_factor = STANDARD_ORGAN_HEALING
decay_factor = STANDARD_ORGAN_DECAY
high_threshold_passed = "You feel a stange ache in your abdomen, almost like a stitch. This pain is encumbering your movements."
high_threshold_cleared = "The stitching ache in your abdomen passes away, unencumbering your movements."
now_fixed = "The stabbing pain in your abdomen slowly calms down into a more tolerable ache."
var/alcohol_tolerance = ALCOHOL_RATE//affects how much damage the liver takes from alcohol
var/toxTolerance = LIVER_DEFAULT_TOX_TOLERANCE//maximum amount of toxins the liver can just shrug off
var/toxLethality = LIVER_DEFAULT_TOX_LETHALITY//affects how much damage toxins do to the liver
var/filterToxins = TRUE //whether to filter toxins
var/cachedmoveCalc = 1
food_reagents = list(/datum/reagent/consumable/nutriment = 5, /datum/reagent/iron = 5)
/obj/item/organ/liver/on_life()
. = ..()
if(!. || !owner)//can't process reagents with a failing liver
return
if(filterToxins && !HAS_TRAIT(owner, TRAIT_TOXINLOVER))
//handle liver toxin filtration
for(var/datum/reagent/toxin/T in owner.reagents.reagent_list)
var/thisamount = owner.reagents.get_reagent_amount(T.type)
if (thisamount && thisamount <= toxTolerance)
owner.reagents.remove_reagent(T.type, 1)
else
damage += (thisamount*toxLethality)
//metabolize reagents
owner.reagents.metabolize(owner, can_overdose=TRUE)
if(damage > 10 && prob(damage/3))//the higher the damage the higher the probability
to_chat(owner, "You feel a dull pain in your abdomen.")
/obj/item/organ/liver/applyOrganDamage(d, maximum = maxHealth)
. = ..()
if(!. || QDELETED(owner))
return
if(damage >= high_threshold)
var/move_calc = 1+((round(damage) - high_threshold)/(high_threshold/3))
owner.add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/liver_cirrhosis, multiplicative_slowdown = move_calc)
sizeMoveMod(move_calc, owner)
else
owner.remove_movespeed_modifier(/datum/movespeed_modifier/liver_cirrhosis)
sizeMoveMod(1, owner)
/obj/item/organ/liver/Insert(mob/living/carbon/M, special = FALSE, drop_if_replaced = TRUE)
. = ..()
if(. && damage >= high_threshold)
var/move_calc = 1+((round(damage) - high_threshold)/(high_threshold/3))
M.add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/liver_cirrhosis, multiplicative_slowdown = move_calc)
sizeMoveMod(move_calc, owner)
/obj/item/organ/liver/Remove(special = FALSE)
if(!QDELETED(owner))
owner.remove_movespeed_modifier(/datum/movespeed_modifier/liver_cirrhosis)
sizeMoveMod(1, owner)
return ..()
/obj/item/organ/liver/proc/sizeMoveMod(value, mob/living/carbon/C)
if(cachedmoveCalc == value)
return
C.action_cooldown_mod /= cachedmoveCalc
C.action_cooldown_mod *= value
cachedmoveCalc = value
/obj/item/organ/liver/slime
name = "viscoplasm" //this is the name that Fermis came up with when working on that organ PR that never got finished - if Fermis ever updates this, this probably will have a lot more functionality.
icon_state = "liver-s"
desc = "An organelle resembling a liver for slimepeople."
/obj/item/organ/liver/fly
name = "insectoid liver"
icon_state = "liver-x" //xenomorph liver? It's just a black liver so it fits.
desc = "A mutant liver designed to handle the unique diet of a flyperson."
alcohol_tolerance = 0.007 //flies eat vomit, so a lower alcohol tolerance is perfect!
/obj/item/organ/liver/plasmaman
name = "reagent processing crystal"
icon_state = "liver-p"
desc = "A large crystal that is somehow capable of metabolizing chemicals, these are found in plasmamen."
/obj/item/organ/liver/ipc
name = "reagent processing liver"
icon_state = "liver-c"
/obj/item/organ/liver/cybernetic
name = "basic cybernetic liver"
icon_state = "liver-c"
desc = "A very basic device designed to mimic the functions of a human liver. Handles toxins slightly worse than an organic liver."
organ_flags = ORGAN_SYNTHETIC
toxTolerance = 0.3 * LIVER_DEFAULT_TOX_TOLERANCE //little less than 1u of toxin purging
toxLethality = 1.1 * LIVER_DEFAULT_TOX_LETHALITY
maxHealth = STANDARD_ORGAN_THRESHOLD*0.5
var/emp_vulnerability = 1 //The value the severity of emps are divided by to determine the likelihood of permanent damage.
/obj/item/organ/liver/cybernetic/tier2
name = "cybernetic liver"
icon_state = "liver-c-u"
desc = "An electronic device designed to mimic the functions of a human liver. Handles toxins slightly better than an organic liver."
maxHealth = 1.5 * STANDARD_ORGAN_THRESHOLD
toxTolerance = 2 * LIVER_DEFAULT_TOX_TOLERANCE //6 units of toxin purging
toxLethality = 0.8 * LIVER_DEFAULT_TOX_LETHALITY //20% less damage than a normal liver
emp_vulnerability = 2
/obj/item/organ/liver/cybernetic/tier3
name = "upgraded cybernetic liver"
icon_state = "liver-c-u2"
desc = "An upgraded version of the cybernetic liver, designed to improve further upon organic livers. It is resistant to alcohol poisoning and is very robust at filtering toxins."
alcohol_tolerance = 0.001
maxHealth = 2 * STANDARD_ORGAN_THRESHOLD
toxTolerance = 5 * LIVER_DEFAULT_TOX_TOLERANCE //15 units of toxin purging
toxLethality = 0.4 * LIVER_DEFAULT_TOX_LETHALITY //60% less damage than a normal liver
emp_vulnerability = 3
/obj/item/organ/liver/cybernetic/emp_act(severity)
. = ..()
if(. & EMP_PROTECT_SELF)
return
if(!COOLDOWN_FINISHED(src, severe_cooldown)) //So we cant just spam emp to kill people.
owner.adjustToxLoss(10)
COOLDOWN_START(src, severe_cooldown, 10 SECONDS)
if(prob(severity/emp_vulnerability)) //Chance of permanent effects
organ_flags |= ORGAN_SYNTHETIC_EMP //Starts organ faliure - gonna need replacing soon.