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62 lines
1.9 KiB
Plaintext
62 lines
1.9 KiB
Plaintext
/datum/spell_cooldown
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/// the world.time the spell will be available again
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var/recharge_time = 0
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/// the amount of time that must pass before a spell can be used again
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var/recharge_duration = 10 SECONDS // default spell cooldown
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/// does it start off cooldown?
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var/starts_off_cooldown = TRUE
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/// holds a ref to the spell
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var/obj/effect/proc_holder/spell/spell_parent
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/datum/spell_cooldown/Destroy()
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spell_parent = null
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return ..()
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/datum/spell_cooldown/proc/cooldown_init(obj/effect/proc_holder/spell/new_spell)
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spell_parent = new_spell
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if(!starts_off_cooldown)
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start_recharge()
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/datum/spell_cooldown/proc/is_on_cooldown()
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return recharge_time > world.time
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/datum/spell_cooldown/proc/should_end_cooldown()
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return !is_on_cooldown()
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/datum/spell_cooldown/proc/end_recharge()
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return
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/datum/spell_cooldown/process()
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if(!spell_parent.action)
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stack_trace("[spell_parent.type] ended up with a null action")
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return PROCESS_KILL
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spell_parent.action.UpdateButtonIcon()
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if(should_end_cooldown())
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end_recharge()
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return PROCESS_KILL
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/*
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* used to track how long is left on the spell cooldown
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* finds them time left, before we can cast (recharge_time - world.time)
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* then subtracts that from the total time.
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* then divides it by the total time.
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*/
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/datum/spell_cooldown/proc/get_availability_percentage()
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if(!is_on_cooldown()) // if off cooldown, we don't bother with the maths
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return 1
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return (recharge_duration - (recharge_time - world.time)) / recharge_duration
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/datum/spell_cooldown/proc/start_recharge(recharge_duration_override = 0)
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var/recharge_increment = recharge_duration_override || recharge_duration
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recharge_time = world.time + recharge_increment
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if(spell_parent.action)
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spell_parent.action.UpdateButtonIcon()
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START_PROCESSING(SSfastprocess, src)
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/datum/spell_cooldown/proc/revert_cast()
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recharge_time = world.time
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/datum/spell_cooldown/proc/statpanel_info()
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return "[round(get_availability_percentage(), 0.01) * 100]%"
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