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vgstation13/code/ATMOSPHERICS/components/unary/vent_scrubber.dm

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/obj/machinery/atmospherics/unary/vent_scrubber
icon = 'vent_scrubber.dmi'
icon_state = "off"
name = "Air Scrubber"
desc = "Has a valve and pump attached to it"
level = 1
var/on = 0
var/scrubbing = 1 //0 = siphoning, 1 = scrubbing
var/scrub_CO2 = 1
var/scrub_Toxins = 0
var/volume_rate = 120
update_icon()
if(on&&node)
if(scrubbing)
icon_state = "[level == 1 && istype(loc, /turf/simulated) ? "h" : "" ]on"
else
icon_state = "[level == 1 && istype(loc, /turf/simulated) ? "h" : "" ]in"
else
icon_state = "[level == 1 && istype(loc, /turf/simulated) ? "h" : "" ]off"
on = 0
return
process()
..()
if(!on)
return 0
var/datum/gas_mixture/environment = loc.return_air()
if(scrubbing)
if((environment.toxins>0) || (environment.carbon_dioxide>0) || (environment.trace_gases.len>0))
var/transfer_moles = min(1, volume_rate/environment.volume)*environment.total_moles()
//Take a gas sample
var/datum/gas_mixture/removed = loc.remove_air(transfer_moles)
//Filter it
var/datum/gas_mixture/filtered_out = new
filtered_out.temperature = removed.temperature
if(scrub_Toxins)
filtered_out.toxins = removed.toxins
removed.toxins = 0
if(scrub_CO2)
filtered_out.carbon_dioxide = removed.carbon_dioxide
removed.carbon_dioxide = 0
if(removed.trace_gases.len>0)
for(var/datum/gas/trace_gas in removed.trace_gases)
if(istype(trace_gas, /datum/gas/oxygen_agent_b))
removed.trace_gases -= trace_gas
filtered_out.trace_gases += trace_gas
//Remix the resulting gases
air_contents.merge(filtered_out)
loc.assume_air(removed)
if(network)
network.update = 1
else //Just siphoning all air
var/transfer_moles = environment.total_moles()*(volume_rate/environment.volume)
var/datum/gas_mixture/removed = loc.remove_air(transfer_moles)
air_contents.merge(removed)
if(network)
network.update = 1
return 1
hide(var/i) //to make the little pipe section invisible, the icon changes.
if(on&&node)
if(scrubbing)
icon_state = "[i == 1 && istype(loc, /turf/simulated) ? "h" : "" ]on"
else
icon_state = "[i == 1 && istype(loc, /turf/simulated) ? "h" : "" ]in"
else
icon_state = "[i == 1 && istype(loc, /turf/simulated) ? "h" : "" ]off"
on = 0
return