Port/improve /tg/ Inducer

code/game/objects/items/weapons/inducer_vr.dm

@@ -0,0 +1,270 @@
+/obj/item/weapon/inducer
+	name = "industrial inducer"
+	desc = "A tool for inductively charging internal power cells."
+	icon = 'icons/obj/tools_vr.dmi'
+	icon_state = "inducer-engi"
+	item_state = "inducer-engi"
+	item_icons = list(
+		slot_l_hand_str = 'icons/mob/items/lefthand_vr.dmi',
+		slot_r_hand_str = 'icons/mob/items/righthand_vr.dmi',
+	)
+	force = 7
+	
+	var/powertransfer = 1000 //Transfer per time when charging something
+	var/cell_type = /obj/item/weapon/cell/high //Type of cell to spawn in it
+	var/charge_guns = FALSE //Can it charge guns?
+
+	var/datum/effect/effect/system/spark_spread/spark_system
+	var/obj/item/weapon/cell/cell
+	var/recharging = FALSE
+	var/opened = FALSE
+
+/obj/item/weapon/inducer/unloaded
+	cell_type = null
+	opened = TRUE
+
+/obj/item/weapon/inducer/Initialize()
+	. = ..()
+	if(!cell && cell_type)
+		cell = new cell_type
+
+/obj/item/weapon/inducer/proc/induce(var/obj/item/weapon/cell/target, coefficient)
+	var/totransfer = min(cell.charge,(powertransfer * coefficient))
+	var/transferred = target.give(totransfer)
+	cell.use(transferred)
+	cell.update_icon()
+	target.update_icon()
+
+/obj/item/weapon/inducer/get_cell()
+	return cell
+
+/obj/item/weapon/inducer/emp_act(severity)
+	. = ..()
+	if(cell)
+		cell.emp_act(severity)
+
+/obj/item/weapon/inducer/afterattack(atom/A, mob/living/carbon/user, proximity)
+	if(user.a_intent == I_HURT)
+		return ..()
+
+	if(cantbeused(user))
+		return
+
+	if(recharge(A, user))
+		return
+
+	return ..()
+
+/obj/item/weapon/inducer/proc/cantbeused(mob/user)
+	if(!user.IsAdvancedToolUser())
+		to_chat(user, "<span class='warning'>You don't have the dexterity to use [src]!</span>")
+		return TRUE
+
+	if(!cell)
+		to_chat(user, "<span class='warning'>[src] doesn't have a power cell installed!</span>")
+		return TRUE
+
+	if(!cell.charge)
+		to_chat(user, "<span class='warning'>[src]'s battery is dead!</span>")
+		return TRUE
+	return FALSE
+
+
+/obj/item/weapon/inducer/attackby(obj/item/W, mob/user)
+	if(W.is_screwdriver())
+		playsound(src, W.usesound, 50, 1)
+		if(!opened)
+			to_chat(user, "<span class='notice'>You open the battery compartment.</span>")
+			opened = TRUE
+			update_icon()
+			return
+		else
+			to_chat(user, "<span class='notice'>You close the battery compartment.</span>")
+			opened = FALSE
+			update_icon()
+			return
+	if(istype(W, /obj/item/weapon/cell))
+		if(opened)
+			if(!cell)
+				user.drop_from_inventory(W)
+				W.forceMove(src)
+				to_chat(user, "<span class='notice'>You insert [W] into [src].</span>")
+				cell = W
+				update_icon()
+				return
+			else
+				to_chat(user, "<span class='warning'>[src] already has \a [cell] installed!</span>")
+				return
+
+	if(cantbeused(user))
+		return
+
+	if(recharge(W, user))
+		return
+
+	return ..()
+
+/obj/item/weapon/inducer/proc/recharge(atom/movable/A, mob/user)
+	if(!isturf(A) && user.loc == A)
+		return FALSE
+	if(recharging)
+		return TRUE
+	else
+		recharging = TRUE
+	
+	if(istype(A, /obj/item/weapon/gun/energy) && !charge_guns)
+		to_chat(user, "<span class='alert'>Error unable to interface with device.</span>")
+		return FALSE
+
+	//The cell we hopefully eventually find
+	var/obj/item/weapon/cell/C
+
+	//Synthetic humanoids
+	if(ishuman(A))
+		var/mob/living/carbon/human/H = A
+		if(H.isSynthetic())
+			C = new /obj/item/weapon/cell/standin(null, H) // o o f
+
+	//Borg frienbs
+	else if(isrobot(A))
+		var/mob/living/silicon/robot/R = A
+		C = R.cell
+
+	//Can set different coefficients per item if you want
+	var/coefficient = 1
+	
+	//Last ditch effort
+	var/obj/O //For updating icons, just in case they have a battery meter icon
+	if(!C && isobj(A))
+		O = A
+		C = O.get_cell()
+
+	if(C)
+		var/done_any = FALSE
+		
+		if(C.charge >= C.maxcharge)
+			to_chat(user, "<span class='notice'>[A] is fully charged ([round(C.charge)] / [C.maxcharge])!</span>")
+			recharging = FALSE
+			return TRUE
+		user.visible_message("<span class='notice'>[user] starts recharging [A] with [src].</span>", "<span class='notice'>You start recharging [A] with [src].</span>")
+		
+		var/datum/beam/charge_beam = user.Beam(A, icon_state = "rped_upgrade", time = 20 SECONDS)
+		var/filter = filter(type = "outline", size = 1, color = "#22AAFF")
+		A.filters += filter
+	
+		spark_system = new /datum/effect/effect/system/spark_spread
+		spark_system.set_up(5, 0, get_turf(A))
+		spark_system.attach(A)
+
+		while(C.charge < C.maxcharge)
+			if(do_after(user, 2 SECONDS, target = user) && cell.charge)
+				done_any = TRUE
+				induce(C, coefficient)
+				spark_system.start()
+				if(O)
+					O.update_icon()
+			else
+				break
+		
+		QDEL_NULL(charge_beam)
+		QDEL_NULL(spark_system)
+		if(A)
+			A.filters -= filter
+		
+		if(done_any) // Only show a message if we succeeded at least once
+			user.visible_message("<span class='notice'>[user] recharged [A]!</span>", "<span class='notice'>You recharged [A]!</span>")
+		
+		recharging = FALSE
+		return TRUE
+	else //Couldn't find a cell
+		to_chat(user, "<span class='alert'>Error unable to interface with device.</span>")
+	
+	recharging = FALSE
+
+/obj/item/weapon/inducer/attack_self(mob/user)
+	if(opened && cell)
+		user.visible_message("<span class='notice'>[user] removes [cell] from [src]!</span>", "<span class='notice'>You remove [cell].</span>")
+		cell.update_icon()
+		user.put_in_hands(cell)
+		cell = null
+		update_icon()
+
+/obj/item/weapon/inducer/examine(mob/living/M)
+	. = ..()
+	var/dat = ""
+	if(cell)
+		dat += "<br><span class='notice'>Its display shows: [round(cell.charge)] / [cell.maxcharge].</span>"
+	else
+		dat += "<br><span class='notice'>Its display is dark.</span>"
+	if(opened)
+		dat += "<br><span class='notice'>Its battery compartment is open.</span>"
+	to_chat(M, dat)
+
+/obj/item/weapon/inducer/update_icon()
+	..()
+	cut_overlays()	
+	if(opened)
+		if(!cell)
+			add_overlay("inducer-nobat")
+		else
+			add_overlay("inducer-bat")
+
+//////// Variants
+/obj/item/weapon/inducer/sci
+	name = "inducer"
+	desc = "A tool for inductively charging internal power cells. This one has a science color scheme, and is less potent than its engineering counterpart."
+	icon_state = "inducer-sci"
+	item_state = "inducer-sci"
+	cell_type = null
+	powertransfer = 500
+	opened = TRUE
+
+/obj/item/weapon/inducer/sci/Initialize()
+	. = ..()
+	update_icon() //To get the 'open' state applied
+
+/obj/item/weapon/inducer/syndicate
+	name = "suspicious inducer"
+	desc = "A tool for inductively charging internal power cells. This one has a suspicious colour scheme, and seems to be rigged to transfer charge at a much faster rate."
+	icon_state = "inducer-syndi"
+	item_state = "inducer-syndi"
+	powertransfer = 2000
+	cell_type = /obj/item/weapon/cell/super
+	charge_guns = TRUE
+
+/obj/item/weapon/inducer/hybrid
+	name = "hybrid-tech inducer"
+	desc = "A tool for inductively charging internal power cells. This one has some flashy bits and recharges devices slower, but seems to recharge itself between uses."
+	icon_state = "inducer-hybrid"
+	item_state = "inducer-hybrid"
+	powertransfer = 250
+	cell_type = /obj/item/weapon/cell/void
+	charge_guns = TRUE
+
+// A 'human stand-in' cell for recharging 'nutrition' on synthetic humans (wow this is terrible! \o/)
+/obj/item/weapon/cell/standin
+	name = "don't spawn this"
+	desc = "this is for weird code use, don't spawn it!!!"
+
+	charge = 100
+	maxcharge = 100
+
+	var/mob/living/carbon/human/hume
+
+/obj/item/weapon/cell/standin/New(newloc, var/mob/living/carbon/human/H)
+	..()
+	hume = H
+	charge = H.nutrition
+	maxcharge = initial(H.nutrition)
+
+	QDEL_IN(src, 10 SECONDS)
+
+/obj/item/weapon/cell/standin/give(var/amount)
+	amount *= 0.05 // So 1000 becomes 50
+	..(amount)
+	hume.nutrition += amount
+
+// Various sideways-defined get_cells
+/obj/mecha/get_cell()
+	return cell
+

vorestation.dme

@@ -1166,6 +1166,7 @@
 #include "code\game\objects\items\weapons\handcuffs.dm"
 #include "code\game\objects\items\weapons\handcuffs_vr.dm"
 #include "code\game\objects\items\weapons\improvised_components.dm"
+#include "code\game\objects\items\weapons\inducer_vr.dm"
 #include "code\game\objects\items\weapons\manuals.dm"
 #include "code\game\objects\items\weapons\manuals_vr.dm"
 #include "code\game\objects\items\weapons\mop.dm"