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af87e274ed
* refactor explosive holopara bomb to component * fix examine range * proper signals * fixing this oneoff for airlocks as a high-priority target * proper support for pull
100 lines
3.5 KiB
Plaintext
100 lines
3.5 KiB
Plaintext
/**
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* Responds to certain signals and 'explodes' on the person using the item.
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*/
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/datum/component/direct_explosive_trap
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/// An optional mob to inform about explosions
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var/mob/living/saboteur
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/// Amount of force to apply
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var/explosive_force
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/// Optional additional target checks before we go off
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var/datum/callback/explosive_check
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/// Signals which set off the bomb, must pass a mob as the first non-source argument
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var/list/triggering_signals
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/datum/component/direct_explosive_trap/Initialize(
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mob/living/saboteur_,
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explosive_force_ = EXPLODE_HEAVY,
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expire_time_ = 1 MINUTES,
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glow_colour_ = COLOR_RED,
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datum/callback/explosive_check_,
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list/triggering_signals_ = list(
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// TODO: This is where COMSIG_ATTACK_HAND would be
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// if we could actually rely on it to call its parent
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COMSIG_HUMAN_MELEE_UNARMED_ATTACKBY,
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COMSIG_INTERACT_USER,
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COMSIG_ATTACK_BY,
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COMSIG_ATOM_BUMPED,
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COMSIG_CLICK_ALT,
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COMSIG_ATOM_PULLED,
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COMSIG_MOUSEDROP_ONTO,
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)
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)
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. = ..()
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if(!isatom(parent))
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return COMPONENT_INCOMPATIBLE
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saboteur = saboteur_
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explosive_force = explosive_force_
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explosive_check = explosive_check_
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triggering_signals = triggering_signals_
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if(expire_time_ > 0)
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addtimer(CALLBACK(src, PROC_REF(bomb_expired)), expire_time_, TIMER_DELETE_ME)
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/datum/component/direct_explosive_trap/RegisterWithParent()
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if(!(COMSIG_PARENT_EXAMINE in triggering_signals)) // Maybe you're being extra mean with this one
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RegisterSignal(parent, COMSIG_PARENT_EXAMINE, PROC_REF(on_examined))
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RegisterSignals(parent, triggering_signals, PROC_REF(explode))
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if(!isnull(saboteur))
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RegisterSignal(saboteur, COMSIG_PARENT_QDELETING, PROC_REF(on_bomber_deleted))
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/datum/component/direct_explosive_trap/UnregisterFromParent()
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UnregisterSignal(parent, list(COMSIG_PARENT_EXAMINE) + triggering_signals)
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if(!isnull(saboteur))
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UnregisterSignal(saboteur, COMSIG_PARENT_QDELETING)
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/datum/component/direct_explosive_trap/Destroy(force)
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if(isnull(saboteur))
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return ..()
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UnregisterSignal(saboteur, COMSIG_PARENT_QDELETING)
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saboteur = null
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return ..()
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/// Let people know something is up
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/datum/component/direct_explosive_trap/proc/on_examined(datum/source, mob/user, list/examine_text)
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SIGNAL_HANDLER // COMSIG_PARENT_EXAMINE
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if(get_dist(source, user) <= 2)
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examine_text += "<span class='notice'>Looks odd!</span>"
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/// Blow up
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/datum/component/direct_explosive_trap/proc/explode(atom/source, mob/living/victim)
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SIGNAL_HANDLER // triggering_signals
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if(!isliving(victim))
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return
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if(!isnull(explosive_check))
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var/result = explosive_check.Invoke(source, victim)
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if(result == DIRECT_EXPLOSIVE_TRAP_DEFUSE)
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qdel(src)
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return
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else if(result == DIRECT_EXPLOSIVE_TRAP_IGNORE)
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return
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to_chat(victim, "<span class='danger'>[source] was boobytrapped!</span>")
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if(!isnull(saboteur))
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to_chat(saboteur, "<span class='danger'>Success! Your trap on [source] caught [victim.name]!</span>")
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playsound(source, 'sound/effects/explosion2.ogg', 200, TRUE)
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victim.ex_act(explosive_force)
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// A bomb went off in your hands. Actually lets people follow up with it if
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// they bait someone, right now it is unreliable.
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victim.Stun(3 SECONDS)
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qdel(src)
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/// Called if we sit too long without going off
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/datum/component/direct_explosive_trap/proc/bomb_expired()
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if(!isnull(saboteur))
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to_chat(saboteur, "<span class='danger'>Failure! Your trap on [parent] didn't catch anyone this time.</span>")
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qdel(src)
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/// Don't hang a reference to the person who placed the bomb
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/datum/component/direct_explosive_trap/proc/on_bomber_deleted()
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SIGNAL_HANDLER
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saboteur = null
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