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CHOMPStation2/code/datums/components/infective.dm
2025-07-24 09:37:39 +02:00

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/datum/component/infective
dupe_mode = COMPONENT_DUPE_ALLOWED
var/list/datum/disease/diseases
var/expire_time
var/required_clean_types = CLEAN_TYPE_DISEASE
/datum/component/infective/Initialize(list/datum/disease/_diseases, expire_in)
if(islist(_diseases))
diseases = _diseases
else
diseases = list(_diseases)
if(!diseases.len || isnull(diseases[1]))
stack_trace("Infective component initialized without any diseases!")
qdel(src)
if(expire_in)
expire_time = world.time + expire_in
QDEL_IN(src, expire_in)
if(!ismovable(parent))
return COMPONENT_INCOMPATIBLE
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_BUMP, PROC_REF(try_infect_collide))
RegisterSignal(parent, COMSIG_ATOM_EXTRAPOLATOR_ACT, PROC_REF(extrapolation))
if(isitem(parent))
RegisterSignal(parent, COMSIG_ITEM_ATTACK, PROC_REF(try_infect_attack))
// RegisterSignal(parent, COMSIG_FOOD_EATEN, PROC_REF(try_infect_eat)) - TODO: Send signal when eating
/datum/component/infective/proc/clean(datum/source, clean_types)
SIGNAL_HANDLER
if(clean_types & required_clean_types)
qdel(src)
return TRUE
/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, BP_L_FOOT)
/*
/datum/component/proc/try_infect_eat(datum/source, mob/living/eater, mob/living/feeder)
SIGNAL_HANDLER
for(var/datum/disease/D in diseases)
eater.ForceContractDisease(D)
try_infect(feeder, BP_L_ARM)
*/
/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 COMSIG_MOVABLE_IMPACT_ZONE, whenever we get that.
return
if(isliving(A))
try_infect(A)
/datum/component/infective/proc/try_infect_attack(datum/source, mob/living/target, mob/living/user)
SIGNAL_HANDLER
if(!iscarbon(target))
try_infect(target)
try_infect(user, BP_L_ARM)
/datum/component/infective/proc/try_infect(mob/living/L, target_zone)
for(var/datum/disease/D in diseases)
L.ContractDisease(D)
/datum/component/infective/proc/extrapolation(datum/source, mob/user, obj/item/extrapolator/extrapolator, dry_run = FALSE, list/result)
SIGNAL_HANDLER
EXTRAPOLATOR_ACT_ADD_DISEASES(result, diseases)