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firestacker.dm
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firestacker.dm
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/**
* Can be applied to /atom/movable subtypes to make them apply fire stacks to things they hit
*/
/datum/element/firestacker
element_flags = ELEMENT_BESPOKE
id_arg_index = 2
/// How many firestacks to apply per hit
var/amount
/datum/element/firestacker/Attach(datum/target, amount)
. = ..()
if(!ismovable(target))
return ELEMENT_INCOMPATIBLE
src.amount = amount
RegisterSignal(target, COMSIG_MOVABLE_IMPACT, .proc/impact, override = TRUE)
if(isitem(target))
RegisterSignal(target, COMSIG_ITEM_ATTACK, .proc/item_attack, override = TRUE)
RegisterSignal(target, COMSIG_ITEM_ATTACK_SELF, .proc/item_attack_self, override = TRUE)
/datum/element/firestacker/Detach(datum/source)
. = ..()
UnregisterSignal(source, list(COMSIG_MOVABLE_IMPACT, COMSIG_ITEM_ATTACK, COMSIG_ITEM_ATTACK_SELF))
/datum/element/firestacker/proc/stack_on(datum/owner, mob/living/target)
target.adjust_fire_stacks(amount)
/datum/element/firestacker/proc/impact(datum/source, atom/hit_atom, datum/thrownthing/throwingdatum)
SIGNAL_HANDLER
if(isliving(hit_atom))
stack_on(source, hit_atom)
/datum/element/firestacker/proc/item_attack(datum/source, atom/movable/target, mob/living/user)
SIGNAL_HANDLER
if(isliving(target))
stack_on(source, target)
/datum/element/firestacker/proc/item_attack_self(datum/source, mob/user)
SIGNAL_HANDLER
if(isliving(user))
stack_on(source, user)