/
traits.dm
45 lines (34 loc) · 2.03 KB
/
traits.dm
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#define TRAIT_CALLBACK_ADD(target, trait, source) CALLBACK(GLOBAL_PROC, GLOBAL_PROC_REF(___TraitAdd), ##target, ##trait, ##source)
#define TRAIT_CALLBACK_REMOVE(target, trait, source) CALLBACK(GLOBAL_PROC, GLOBAL_PROC_REF(___TraitRemove), ##target, ##trait, ##source)
///DO NOT USE ___TraitAdd OR ___TraitRemove as a replacement for ADD_TRAIT / REMOVE_TRAIT defines. To be used explicitly for callback.
/proc/___TraitAdd(target, trait, source)
if(!target || !trait || !source)
return
if(islist(target))
for(var/datum/listed_target in target)
ADD_TRAIT(listed_target, trait, source)
return
ASSERT(isdatum(target), "Invalid target used in TRAIT_CALLBACK_ADD! Expected a datum reference, got [target] instead.")
var/datum/datum_target = target
ADD_TRAIT(datum_target, trait, source)
///DO NOT USE ___TraitAdd OR ___TraitRemove as a replacement for ADD_TRAIT / REMOVE_TRAIT defines. To be used explicitly for callback.
/proc/___TraitRemove(target, trait, source)
if(!target || !trait || !source)
return
if(islist(target))
for(var/datum/listed_target in target)
REMOVE_TRAIT(listed_target, trait, source)
return
ASSERT(isdatum(target), "Invalid target used in TRAIT_CALLBACK_REMOVE! Expected a datum reference, got [target] instead.")
var/datum/datum_target = target
REMOVE_TRAIT(datum_target, trait, source)
/// Proc that handles adding multiple traits to a target via a list. Must have a common source and target.
/datum/proc/add_traits(list/list_of_traits, source)
ASSERT(islist(list_of_traits), "Invalid arguments passed to add_traits! Invoked on [src] with [list_of_traits], source being [source].")
for(var/trait in list_of_traits)
ADD_TRAIT(src, trait, source)
/// Proc that handles removing multiple traits from a target via a list. Must have a common source and target.
/datum/proc/remove_traits(list/list_of_traits, source)
ASSERT(islist(list_of_traits), "Invalid arguments passed to remove_traits! Invoked on [src] with [list_of_traits], source being [source].")
for(var/trait in list_of_traits)
REMOVE_TRAIT(src, trait, source)