adds a pulse demon demon heart (#22810)

* adds a pulse demon demon heart

* fixes + shock HARDER

code/game/gamemodes/miniantags/demons/shadow_demon/shadow_demon.dm

@@ -235,6 +235,6 @@
 		M.mind.AddSpell(new /obj/effect/proc_holder/spell/fireball/shadow_grapple)
 
 /obj/item/organ/internal/heart/demon/shadow/remove(mob/living/carbon/M, special = 0)
-	..()
+	. = ..()
 	if(M.mind)
 		M.mind.RemoveSpell(/obj/effect/proc_holder/spell/fireball/shadow_grapple)

code/game/gamemodes/miniantags/demons/slaughter demon/slaughter.dm

@@ -261,7 +261,7 @@
 		M.mind.AddSpell(new /obj/effect/proc_holder/spell/bloodcrawl(null))
 
 /obj/item/organ/internal/heart/demon/slaughter/remove(mob/living/carbon/M, special = 0)
-	..()
+	. = ..()
 	if(M.mind)
 		REMOVE_TRAIT(M, TRAIT_BLOODCRAWL, "bloodcrawl")
 		REMOVE_TRAIT(M, TRAIT_BLOODCRAWL_EAT, "bloodcrawl_eat")

code/game/gamemodes/miniantags/pulsedemon/cross_shock_component.dm

@@ -0,0 +1,53 @@
+/datum/component/cross_shock
+	var/shock_damage
+	var/energy_cost
+	var/delay_between_shocks
+	var/requires_cable
+	COOLDOWN_DECLARE(last_shock)
+
+/datum/component/cross_shock/Initialize(_shock_damage, _energy_cost, _delay_between_shocks, _requires_cable = TRUE)
+	if(ismovable(parent))
+		RegisterSignal(parent, list(COMSIG_MOVABLE_CROSSED, COMSIG_CROSSED_MOVABLE), PROC_REF(do_shock))
+		if(ismob(parent))
+			RegisterSignal(parent, COMSIG_CARBON_LOSE_ORGAN, PROC_REF(on_organ_removal))
+	else if(isarea(parent))
+		RegisterSignal(parent, COMSIG_ATOM_EXITED, PROC_REF(do_shock))
+	else if(isturf(parent))
+		RegisterSignal(parent, COMSIG_ATOM_ENTERED, PROC_REF(do_shock))
+	else
+		return COMPONENT_INCOMPATIBLE
+
+	shock_damage = _shock_damage
+	energy_cost = _energy_cost
+	delay_between_shocks = _delay_between_shocks
+	requires_cable = _requires_cable
+
+/datum/component/cross_shock/proc/do_shock(datum/source, mob/living/thing_were_gonna_shock)
+	SIGNAL_HANDLER
+	if(!COOLDOWN_FINISHED(src, last_shock))
+		return
+	if(!istype(thing_were_gonna_shock))
+		return
+	if(isliving(parent))
+		var/mob/living/M = parent
+		if(M.stat == DEAD || !IS_HORIZONTAL(M))
+			return
+	if(requires_cable)
+		var/turf/our_turf = get_turf(parent)
+		if(our_turf.transparent_floor || our_turf.intact || HAS_TRAIT(our_turf, TRAIT_TURF_COVERED))
+			return
+		var/obj/structure/cable/our_cable =	locate(/obj/structure/cable) in our_turf
+		if(!our_cable || !our_cable.powernet || !our_cable.powernet.available_power)
+			return
+		var/area/to_deduct_from = get_area(our_cable)
+		thing_were_gonna_shock.electrocute_act(shock_damage, src)
+		to_deduct_from.powernet.use_active_power(energy_cost)
+		playsound(get_turf(parent), 'sound/effects/eleczap.ogg', 30, TRUE)
+	else
+		thing_were_gonna_shock.electrocute_act(shock_damage, src)
+		playsound(get_turf(parent), 'sound/effects/eleczap.ogg', 30, TRUE)
+	COOLDOWN_START(src, last_shock, delay_between_shocks)
+
+/datum/component/cross_shock/proc/on_organ_removal(datum/source)
+	SIGNAL_HANDLER
+	qdel(src)

code/game/gamemodes/miniantags/pulsedemon/pulsedemon.dm

@@ -51,6 +51,7 @@
 	has_unlimited_silicon_privilege = TRUE
 	// this makes the demon able to speak through holopads, due to the overriden say, PD cannot speak normally regardless
 	universal_speak = TRUE
+	loot = list(/obj/item/organ/internal/heart/demon/pulse)
 
 	/// List of sounds that is picked from when the demon speaks.
 	var/list/speech_sounds = list("sound/voice/pdvoice1.ogg", "sound/voice/pdvoice2.ogg", "sound/voice/pdvoice3.ogg")
@@ -803,6 +804,43 @@
 /mob/living/simple_animal/demon/pulse_demon/mob_has_gravity()
 	return TRUE
 
+/obj/item/organ/internal/heart/demon/pulse
+	name = "perpetual pacemaker"
+	desc = "It still beats furiously, thousands of bright lights shine within it."
+	color = COLOR_YELLOW
+
+/obj/item/organ/internal/heart/demon/pulse/Initialize(mapload)
+	. = ..()
+	set_light(13, 2, "#bbbb00")
+
+/obj/item/organ/internal/heart/demon/pulse/attack_self(mob/living/user)
+	. = ..()
+	user.drop_item()
+	insert(user)
+
+/obj/item/organ/internal/heart/demon/pulse/insert(mob/living/carbon/M, special, dont_remove_slot)
+	. = ..()
+	M.AddComponent(/datum/component/cross_shock, 30, 500, 2 SECONDS)
+	ADD_TRAIT(M, TRAIT_SHOCKIMMUNE, UNIQUE_TRAIT_SOURCE(src))
+	M.set_light(3, 2, "#bbbb00")
+
+/obj/item/organ/internal/heart/demon/pulse/remove(mob/living/carbon/M, special)
+	. = ..()
+	REMOVE_TRAIT(M, TRAIT_SHOCKIMMUNE, UNIQUE_TRAIT_SOURCE(src))
+	M.remove_light()
+
+/obj/item/organ/internal/heart/demon/pulse/on_life()
+	if(!owner)
+		return
+	for(var/obj/item/stock_parts/cell/cell_to_charge in owner.GetAllContents())
+		var/newcharge = min(0.05 * cell_to_charge.maxcharge + cell_to_charge.charge, cell_to_charge.maxcharge)
+		if(cell_to_charge.charge < newcharge)
+			cell_to_charge.charge = newcharge
+			if(isobj(cell_to_charge.loc))
+				var/obj/cell_location = cell_to_charge.loc
+				cell_location.update_icon() //update power meters and such
+			cell_to_charge.update_icon()
+
 /obj/screen/alert/pulse_nopower
 	name = "No Power"
 	desc = "You are not connected to a cable or machine and are losing health!"

code/modules/surgery/organs/organ_internal.dm

@@ -50,6 +50,7 @@
 /obj/item/organ/internal/remove(mob/living/carbon/M, special = 0)
 	if(!owner)
 		stack_trace("\'remove\' called on [src] without an owner! Mob: [M], [atom_loc_line(M)]")
+	SEND_SIGNAL(owner, COMSIG_CARBON_LOSE_ORGAN)
 	owner = null
 	if(M)
 		M.internal_organs -= src