mirror of
https://github.com/goonstation/goonstation-2020.git
synced 2026-07-12 15:42:21 +01:00
ZeWaka
115 lines
3.0 KiB
Plaintext
115 lines
3.0 KiB
Plaintext
// Powersink - used to drain station power
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/obj/item/device/powersink
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desc = "A nulling power sink which drains energy from electrical systems."
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name = "power sink"
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icon_state = "powersink0"
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item_state = "electronic"
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w_class = 4.0
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flags = FPRINT | TABLEPASS | CONDUCT
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throwforce = 5
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throw_speed = 1
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throw_range = 2
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m_amt = 750
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w_amt = 750
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var/drain_rate = 400000 // amount of power to drain per tick
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var/power_drained = 0 // has drained this much power
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var/max_power = 2e8 // maximum power that can be drained before exploding
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var/mode = 0 // 0 = off, 1=clamped (off), 2=operating
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is_syndicate = 1
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mats = 16
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rand_pos = 0
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var/obj/cable/attached // the attached cable
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var/datum/light/light
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New()
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..()
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light = new /datum/light/point
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light.set_brightness(2)
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light.set_height(0.5)
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light.attach(src)
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attackby(var/obj/item/I, var/mob/user)
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if (isscrewingtool(I))
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if(mode == 0)
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var/turf/T = loc
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if(isturf(T) && !T.intact)
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attached = locate() in T
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if(!attached)
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boutput(user, "No exposed cable here to attach to.")
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return
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else
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anchored = 1
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mode = 1
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boutput(user, "You attach the device to the cable.")
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for(var/mob/M in AIviewers(user))
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if(M == user) continue
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boutput(M, "[user] attaches the power sink to the cable.")
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return
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else
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boutput(user, "Device must be placed over an exposed cable to attach to it.")
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return
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else
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anchored = 0
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mode = 0
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boutput(user, "You detach the device from the cable.")
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for(var/mob/M in AIviewers(user))
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if(M == user) continue
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boutput(M, "[user] detaches the power sink from the cable.")
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light.disable()
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icon_state = "powersink0"
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processing_items.Remove(src)
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return
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else
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..()
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attack_ai()
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return
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attack_hand(var/mob/user)
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switch(mode)
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if(0)
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..()
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if(1)
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boutput(user, "You activate the device!")
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for(var/mob/M in AIviewers(user))
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if(M == user) continue
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boutput(M, "[user] activates the power sink!")
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mode = 2
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icon_state = "powersink1"
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if (!(src in processing_items))
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processing_items.Add(src)
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process()
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if(attached)
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var/datum/powernet/PN = attached.get_powernet()
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if(PN)
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light.enable()
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// found a powernet, so drain up to max power from it
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var/drained = min ( drain_rate, PN.avail )
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PN.newload += drained
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power_drained += drained
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// if tried to drain more than available on powernet
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// now look for APCs and drain their cells
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if(drained < drain_rate)
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for(var/obj/machinery/power/terminal/T in PN.nodes)
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if(istype(T.master, /obj/machinery/power/apc))
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var/obj/machinery/power/apc/A = T.master
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if(A.operating && A.cell)
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A.cell.charge = max(0, A.cell.charge - 50)
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power_drained += 50
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if(power_drained > max_power * 0.95)
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playsound(src, "sound/effects/screech.ogg", 100, 1, 1)
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if(power_drained >= max_power)
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processing_items.Remove(src)
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explosion(src, src.loc, 3,6,9,12)
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qdel(src)
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