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https://github.com/Citadel-Station-13/Citadel-Station-13-RP.git
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siliconsandGitHub
b497e19b83
removes dead code, fixes descriptions, adds examine event struct, and adds fmttext()
95 lines
2.5 KiB
Plaintext
95 lines
2.5 KiB
Plaintext
/**
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* ## Stacking Status Effects
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*
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* able to track stacks.
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*
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* this and all subtypes have `stacks` as an argument on apply.
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*/
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/datum/status_effect/stacking
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abstract_type = /datum/status_effect/stacking
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/// decay amount when duration expires - this can be negative.
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var/decay_amount = 1
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/// stacks
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var/stacks = 1
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/// max stacks
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var/max_stacks = INFINITY
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/// default behavior: do we refresh decay timer to maximum (duration) when stacks increase from external sources?
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var/stacking_resets_decay = TRUE
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/datum/status_effect/stacking/on_apply(stacks, ...)
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src.stacks = isnull(stacks)? 1 : stacks
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ASSERT(src.stacks > 0)
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return ..()
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/datum/status_effect/stacking/decay()
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adjust_stacks(decay_amount, TRUE)
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if(!stacks)
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return ..()
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started = world.time
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rebuild_decay_timer()
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/**
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* called when stacks change
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* when we're being removed, new_stacks is 0.
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*
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* @params
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* * old_stacks - old stacks
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* * new_stacks - new stacks
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* * decayed - is this from decaying?
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*/
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/datum/status_effect/stacking/proc/on_stacks(old_stacks, new_stacks, decayed)
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return
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/**
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* called to modify stacks.
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*
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* @return stacks modified
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*/
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/datum/status_effect/stacking/proc/adjust_stacks(stacks, decaying)
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var/old = src.stacks
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src.stacks = clamp(src.stacks + stacks, 0, max_stacks)
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on_stacks(old, src.stacks, decaying)
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if(!decaying)
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qdel(src)
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return src.stacks - old
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//? Mob procs
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/**
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* simple add or increment to stacks of a stacking effect
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*
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* maximum as well as the effect's maximum are both respected.
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*
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* @return stacks applied
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*/
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/mob/proc/apply_stacking_status_effect(datum/status_effect/stacking/path, stacks, maximum)
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if(isnull(maximum))
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maximum = stacks // default no additional stacking
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if(!ispath(path, /datum/status_effect/stacking))
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CRASH("[path] is not a stacking effect.")
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stacks = min(stacks, maximum) // just in case
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ASSERT(stacks > 0)
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var/datum/status_effect/stacking/effect = has_status_effect(path)
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if(isnull(effect))
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. = effect.adjust_stacks(clamp(stacks, 0, maximum - effect.stacks), FALSE)
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else
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effect = apply_status_effect(path, additional = list(stacks))
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. = effect.stacks
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/**
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* simple decrement to stacks of a stacking effect
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*
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* @return stacks left
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*/
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/mob/proc/remove_stacking_status_effect(datum/status_effect/stacking/path, stacks)
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if(!ispath(path, /datum/status_effect/stacking))
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CRASH("[path] is not a stacking effect.")
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ASSERT(stacks > 0)
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var/datum/status_effect/stacking/effect = has_status_effect(path)
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if(isnull(effect))
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effect.adjust_stacks(-stacks, FALSE)
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. = effect.stacks
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else
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return 0
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