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25fb2e098b
* Adds error on qdeling callback, fixes errors this causes (#77850) ## About The Pull Request You shouldn't ever qdel a callback. If you don't want to own it free your ref (remove it from a list/set it to null). When all refs are cleared it'll get cleaned up by byond itself * Adds error on qdeling callback, fixes errors this causes * Update cell_component.dm * Update acid.dm --------- Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com> Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>
85 lines
4.1 KiB
Plaintext
85 lines
4.1 KiB
Plaintext
/**
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* ### Enrage buffs component
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*
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* Scales some statistics of a living mob (speed or attack power or such) based on how hurt it is.
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*/
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/datum/component/health_scaling_effects
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/// Health percentage (between 0 and 1) at which you are considered to get the full "max" effect
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var/max_health_threshold
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/// Health percentage (between 0 and 1) at which you are considered to get the full "min" effect
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var/min_health_threshold
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/// Modification to apply to the lower bound of your attack while your health is at or above the max threshold
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var/max_health_attack_modifier_lower
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/// Modification to apply to the lower bound of your attack while your health is at or above the min threshold
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var/min_health_attack_modifier_lower
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/// Modification to apply to the upper bound of your attack while your health is at or above the max threshold
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var/max_health_attack_modifier_upper
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/// Modification to apply to the upper bound of your attack while your health is at or above the min threshold
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var/min_health_attack_modifier_upper
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/// Modification to movement speed to apply while your health is at or above the max threshold
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var/max_health_slowdown
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/// Modification to movement speed to apply while your health is at or above the min threshold
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var/min_health_slowdown
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/// A callback which is sent the mob's current ratio between the max and min values, for updating mob-specific effects
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var/datum/callback/additional_status_callback
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/datum/component/health_scaling_effects/Initialize(
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max_health_threshold = 1,
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min_health_threshold = 0.25,
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max_health_attack_modifier_lower = 0,
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min_health_attack_modifier_lower = 0,
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max_health_attack_modifier_upper = 0,
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min_health_attack_modifier_upper = 0,
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max_health_slowdown = 0,
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min_health_slowdown = 0,
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additional_status_callback = null,
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)
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if (!isliving(parent))
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return COMPONENT_INCOMPATIBLE
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src.max_health_threshold = max_health_threshold
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src.min_health_threshold = min_health_threshold
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src.max_health_attack_modifier_lower = max_health_attack_modifier_lower
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src.min_health_attack_modifier_lower = min_health_attack_modifier_lower
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src.max_health_attack_modifier_upper = max_health_attack_modifier_upper
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src.min_health_attack_modifier_upper = min_health_attack_modifier_upper
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src.max_health_slowdown = max_health_slowdown
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src.min_health_slowdown = min_health_slowdown
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src.additional_status_callback = additional_status_callback
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RegisterSignal(parent, COMSIG_LIVING_HEALTH_UPDATE, PROC_REF(on_health_changed))
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/datum/component/health_scaling_effects/UnregisterFromParent()
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UnregisterSignal(parent, COMSIG_LIVING_HEALTH_UPDATE)
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return ..()
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/datum/component/health_scaling_effects/Destroy(force, silent)
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additional_status_callback = null
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return ..()
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/// Called when mob health changes, recalculates the ratio between maximum and minimum
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/datum/component/health_scaling_effects/proc/on_health_changed(mob/living/source)
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SIGNAL_HANDLER
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var/current_health_percentage = source.health / source.maxHealth
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var/max_min_ratio = clamp(INVERSE_LERP(min_health_threshold, max_health_threshold, current_health_percentage), 0, 1)
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INVOKE_ASYNC(src, PROC_REF(update_stats), source, max_min_ratio)
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/// Update statistics based on provided interpolator between maximum and minimum values
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/datum/component/health_scaling_effects/proc/update_stats(mob/living/source, max_min_ratio)
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if (max_health_attack_modifier_lower != 0 || min_health_attack_modifier_lower != 0)
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var/lower_modifier = LERP(min_health_attack_modifier_lower, max_health_attack_modifier_lower, max_min_ratio)
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source.melee_damage_lower = initial(source.melee_damage_lower) + lower_modifier
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if (max_health_attack_modifier_upper != 0 || min_health_attack_modifier_upper != 0)
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var/upper_modifier = LERP(min_health_attack_modifier_upper, max_health_attack_modifier_upper, max_min_ratio)
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source.melee_damage_upper = initial(source.melee_damage_upper) + upper_modifier
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if (max_health_slowdown != 0 || min_health_slowdown != 0)
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source.add_or_update_variable_movespeed_modifier(
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/datum/movespeed_modifier/health_scaling_speed_buff,
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multiplicative_slowdown = LERP(min_health_slowdown, max_health_slowdown, max_min_ratio),
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)
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if (additional_status_callback)
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additional_status_callback.Invoke(max_min_ratio)
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