mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 10:12:45 +00:00
018079beb5
In particular, gas_mixture/remove() was not accounting for group_multiplier when determining the maximum amount of gas to remove Also cleans up the interface for gas_mixture/heat_capacity().
187 lines
5.2 KiB
Plaintext
187 lines
5.2 KiB
Plaintext
/obj/machinery/space_heater
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anchored = 0
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density = 1
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icon = 'icons/obj/atmos.dmi'
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icon_state = "sheater0"
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name = "space heater"
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desc = "Made by Space Amish using traditional space techniques, this heater is guaranteed not to set the station on fire."
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var/obj/item/weapon/cell/cell
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var/on = 0
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var/open = 0
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var/set_temperature = T0C + 50 //K
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var/heating_power = 40000
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flags = FPRINT
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/obj/machinery/space_heater/New()
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..()
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cell = new(src)
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update_icon()
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/obj/machinery/space_heater/update_icon()
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overlays.Cut()
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icon_state = "sheater[on]"
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if(open)
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overlays += "sheater-open"
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/obj/machinery/space_heater/examine()
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set src in oview(12)
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if (!( usr ))
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return
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usr << "This is \icon[src] \an [src.name]."
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usr << src.desc
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usr << "The heater is [on ? "on" : "off"] and the hatch is [open ? "open" : "closed"]."
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if(open)
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usr << "The power cell is [cell ? "installed" : "missing"]."
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else
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usr << "The charge meter reads [cell ? round(cell.percent(),1) : 0]%"
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return
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/obj/machinery/space_heater/emp_act(severity)
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if(stat & (BROKEN|NOPOWER))
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..(severity)
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return
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if(cell)
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cell.emp_act(severity)
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..(severity)
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/obj/machinery/space_heater/attackby(obj/item/I, mob/user)
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if(istype(I, /obj/item/weapon/cell))
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if(open)
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if(cell)
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user << "There is already a power cell inside."
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return
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else
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// insert cell
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var/obj/item/weapon/cell/C = usr.get_active_hand()
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if(istype(C))
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user.drop_item()
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cell = C
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C.loc = src
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C.add_fingerprint(usr)
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user.visible_message("\blue [user] inserts a power cell into [src].", "\blue You insert the power cell into [src].")
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else
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user << "The hatch must be open to insert a power cell."
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return
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else if(istype(I, /obj/item/weapon/screwdriver))
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open = !open
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user.visible_message("\blue [user] [open ? "opens" : "closes"] the hatch on the [src].", "\blue You [open ? "open" : "close"] the hatch on the [src].")
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update_icon()
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if(!open && user.machine == src)
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user << browse(null, "window=spaceheater")
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user.unset_machine()
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else
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..()
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return
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/obj/machinery/space_heater/attack_hand(mob/user as mob)
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src.add_fingerprint(user)
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interact(user)
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/obj/machinery/space_heater/interact(mob/user as mob)
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if(open)
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var/dat
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dat = "Power cell: "
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if(cell)
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dat += "<A href='byond://?src=\ref[src];op=cellremove'>Installed</A><BR>"
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else
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dat += "<A href='byond://?src=\ref[src];op=cellinstall'>Removed</A><BR>"
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dat += "Power Level: [cell ? round(cell.percent(),1) : 0]%<BR><BR>"
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dat += "Set Temperature: "
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dat += "<A href='?src=\ref[src];op=temp;val=-5'>-</A>"
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dat += " [set_temperature]°C "
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dat += "<A href='?src=\ref[src];op=temp;val=5'>+</A><BR>"
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user.set_machine(src)
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user << browse("<HEAD><TITLE>Space Heater Control Panel</TITLE></HEAD><TT>[dat]</TT>", "window=spaceheater")
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onclose(user, "spaceheater")
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else
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on = !on
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user.visible_message("\blue [user] switches [on ? "on" : "off"] the [src].","\blue You switch [on ? "on" : "off"] the [src].")
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update_icon()
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return
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/obj/machinery/space_heater/Topic(href, href_list)
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if (usr.stat)
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return
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if ((in_range(src, usr) && istype(src.loc, /turf)) || (istype(usr, /mob/living/silicon)))
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usr.set_machine(src)
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switch(href_list["op"])
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if("temp")
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var/value = text2num(href_list["val"])
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// limit to 0-90 degC
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set_temperature = dd_range(T0C, T0C + 90, set_temperature + value)
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if("cellremove")
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if(open && cell && !usr.get_active_hand())
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usr.visible_message("\blue [usr] removes \the [cell] from \the [src].", "\blue You remove \the [cell] from \the [src].")
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cell.updateicon()
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usr.put_in_hands(cell)
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cell.add_fingerprint(usr)
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cell = null
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if("cellinstall")
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if(open && !cell)
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var/obj/item/weapon/cell/C = usr.get_active_hand()
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if(istype(C))
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usr.drop_item()
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cell = C
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C.loc = src
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C.add_fingerprint(usr)
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usr.visible_message("\blue [usr] inserts \the [C] into \the [src].", "\blue You insert \the [C] into \the [src].")
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updateDialog()
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else
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usr << browse(null, "window=spaceheater")
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usr.unset_machine()
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return
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/obj/machinery/space_heater/process()
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if(on)
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if(cell && cell.charge)
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var/datum/gas_mixture/env = loc.return_air()
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if(env && abs(env.temperature - set_temperature) > 0.1)
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var/transfer_moles = 0.25 * env.total_moles
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var/datum/gas_mixture/removed = env.remove(transfer_moles)
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if(removed)
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var/heat_transfer = removed.get_thermal_energy_change(set_temperature)
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if(heat_transfer > 0) //heating air
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heat_transfer = min( heat_transfer , heating_power ) //limit by the power rating of the heater
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removed.add_thermal_energy(heat_transfer)
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cell.use(heat_transfer*CELLRATE)
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else //cooling air
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heat_transfer = abs(heat_transfer)
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//Assume the heat is being pumped into the hull which is fixed at 20 C
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var/cop = removed.temperature/T20C //coefficient of performance from thermodynamics -> power used = heat_transfer/cop
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heat_transfer = min(heat_transfer, cop * heating_power) //limit heat transfer by available power
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heat_transfer = removed.add_thermal_energy(-heat_transfer) //get the actual heat transfer
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var/power_used = abs(heat_transfer)/cop
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cell.use(power_used*CELLRATE)
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env.merge(removed)
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else
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on = 0
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update_icon()
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