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b4fd13b16b
* Improve the naming of the element argument hash index selector (#71319) So confusing name * Improve the naming of the element argument hash index selector * sr sync Co-authored-by: oranges <email@oranges.net.nz> Co-authored-by: tastyfish <crazychris32@gmail.com>
65 lines
2.7 KiB
Plaintext
65 lines
2.7 KiB
Plaintext
/datum/element/selfknockback
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element_flags = ELEMENT_BESPOKE
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argument_hash_start_idx = 2
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var/override_throw_val
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var/override_speed_val
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/* Adds the ability to put recoil on various things, throwing the user back proportional to the force and speed set.
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Important note: Force/Throw_Amount, is how far you want to throw a user. By default, it is calculated based on damage below.
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Speed_Amount, is a measure of how long it will take a user to get thrown to the target. By default, it is calculated by
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clamping the Knockback_Force value below. */
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/datum/element/selfknockback/Attach(datum/target, throw_amount, speed_amount)
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. = ..()
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if(isitem(target))
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RegisterSignal(target, COMSIG_ITEM_AFTERATTACK, PROC_REF(Item_SelfKnockback))
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else if(isprojectile(target))
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RegisterSignal(target, COMSIG_PROJECTILE_FIRE, PROC_REF(Projectile_SelfKnockback))
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else
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return ELEMENT_INCOMPATIBLE
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override_throw_val = throw_amount
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override_speed_val = speed_amount
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/datum/element/selfknockback/Detach(datum/source)
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. = ..()
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UnregisterSignal(source, list(COMSIG_ITEM_AFTERATTACK, COMSIG_PROJECTILE_FIRE))
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/datum/element/selfknockback/proc/Get_Knockback_Force(default_force)
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if(override_throw_val)
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return override_throw_val
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else
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return default_force
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/datum/element/selfknockback/proc/Get_Knockback_Speed(default_speed)
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if(override_speed_val)
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return override_speed_val
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else
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return default_speed
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/datum/element/selfknockback/proc/Item_SelfKnockback(obj/item/I, atom/attacktarget, mob/usertarget, proximity_flag)
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SIGNAL_HANDLER
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if(isturf(attacktarget) && !attacktarget.density)
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return
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if(proximity_flag || (get_dist(attacktarget, usertarget) <= I.reach))
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var/knockback_force = Get_Knockback_Force(clamp(CEILING((I.force / 10), 1), 1, 5))
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var/knockback_speed = Get_Knockback_Speed(clamp(knockback_force, 1, 5))
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var/target_angle = get_angle(attacktarget, usertarget)
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var/move_target = get_ranged_target_turf(usertarget, angle2dir(target_angle), knockback_force)
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usertarget.throw_at(move_target, knockback_force, knockback_speed)
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usertarget.visible_message(span_warning("[usertarget] gets thrown back by the force of \the [I] impacting \the [attacktarget]!"), span_warning("The force of \the [I] impacting \the [attacktarget] sends you flying!"))
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/datum/element/selfknockback/proc/Projectile_SelfKnockback(obj/projectile/P)
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SIGNAL_HANDLER
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if(!P.firer)
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return
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var/knockback_force = Get_Knockback_Force(clamp(CEILING((P.damage / 10), 1), 1, 5))
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var/knockback_speed = Get_Knockback_Speed(clamp(knockback_force, 1, 5))
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var/atom/movable/knockback_target = P.firer
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var/move_target = get_edge_target_turf(knockback_target, angle2dir(P.original_angle+180))
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knockback_target.throw_at(move_target, knockback_force, knockback_speed)
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