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S.P.L.U.R.T-Station-13/code/datums/components/infective.dm

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/datum/component/infective
dupe_mode = COMPONENT_DUPE_ALLOWED
var/list/datum/disease/diseases //make sure these are the static, non-processing versions!
var/expire_time
var/min_clean_strength = CLEAN_WEAK
/datum/component/infective/Initialize(list/datum/disease/_diseases, expire_in)
if(islist(_diseases))
diseases = _diseases
else
diseases = list(_diseases)
if(expire_in)
expire_time = world.time + expire_in
QDEL_IN(src, expire_in)
if(!ismovableatom(parent))
return COMPONENT_INCOMPATIBLE
RegisterSignal(parent, COMSIG_COMPONENT_CLEAN_ACT, .proc/clean)
RegisterSignal(parent, COMSIG_MOVABLE_BUCKLE, .proc/try_infect_buckle)
RegisterSignal(parent, COMSIG_MOVABLE_BUMP, .proc/try_infect_collide)
RegisterSignal(parent, COMSIG_MOVABLE_CROSSED, .proc/try_infect_crossed)
RegisterSignal(parent, COMSIG_MOVABLE_IMPACT_ZONE, .proc/try_infect_impact_zone)
if(isitem(parent))
RegisterSignal(parent, COMSIG_ITEM_ATTACK_ZONE, .proc/try_infect_attack_zone)
RegisterSignal(parent, COMSIG_ITEM_ATTACK, .proc/try_infect_attack)
RegisterSignal(parent, COMSIG_ITEM_EQUIPPED, .proc/try_infect_equipped)
if(istype(parent, /obj/item/reagent_containers/food/snacks))
RegisterSignal(parent, COMSIG_FOOD_EATEN, .proc/try_infect_eat)
else if(istype(parent, /obj/effect/decal/cleanable/blood/gibs))
RegisterSignal(parent, COMSIG_GIBS_STREAK, .proc/try_infect_streak)
/datum/component/infective/proc/try_infect_eat(datum/source, mob/living/eater, mob/living/feeder)
for(var/V in diseases)
eater.ForceContractDisease(V)
try_infect(feeder, BODY_ZONE_L_ARM)
/datum/component/infective/proc/clean(datum/source, clean_strength)
if(clean_strength >= min_clean_strength)
qdel(src)
/datum/component/infective/proc/try_infect_buckle(datum/source, mob/M, force)
if(isliving(M))
try_infect(M)
/datum/component/infective/proc/try_infect_collide(datum/source, atom/A)
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)
try_infect(target, hit_zone)
/datum/component/infective/proc/try_infect_attack_zone(datum/source, mob/living/carbon/target, mob/living/user, hit_zone)
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)
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)
var/old_permeability
if(isitem(parent))
//if you are putting an infective item on, it obviously will not protect you, so set its permeability high enough that it will never block ContactContractDisease()
var/obj/item/I = parent
old_permeability = I.permeability_coefficient
I.permeability_coefficient = 1.01
try_infect(L, slot2body_zone(slot))
if(isitem(parent))
var/obj/item/I = parent
I.permeability_coefficient = old_permeability
/datum/component/infective/proc/try_infect_crossed(datum/source, atom/movable/M)
if(isliving(M))
try_infect(M, BODY_ZONE_PRECISE_L_FOOT)
/datum/component/infective/proc/try_infect_streak(datum/source, list/directions, list/output_diseases)
output_diseases |= diseases
/datum/component/infective/proc/try_infect(mob/living/L, target_zone)
for(var/V in diseases)
L.ContactContractDisease(V, target_zone)