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VOREStation/code/game/objects/tanks/emergency.dm

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/obj/item/weapon/tank/emergency_oxygen
name = "emergency oxygen tank"
desc = "Used for emergencies. Contains very little oxygen, so try to conserve it until you actually need it."
icon_state = "emergency"
flags = FPRINT | TABLEPASS | ONBELT | CONDUCT
w_class = 2.0
force = 4.0
distribute_pressure = ONE_ATMOSPHERE*O2STANDARD
volume = 3 //Tiny. Real life equivalents only have 21 breaths of oxygen in them. They're EMERGENCY tanks anyway -errorage (dangercon 2011)
New()
..()
src.air_contents.oxygen = (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C)
return
examine()
set src in usr
..()
if(air_contents.oxygen < 0.4)
usr << text("\red <B>The meter on the [src.name] indicates you are almost out of air!</B>")
playsound(usr, 'alert.ogg', 50, 1)
/obj/item/weapon/tank/emergency_oxygen/engi
icon_state = "emergency_engi"
name = "extended-capacity emergency oxygen tank"
volume = 6
/obj/item/weapon/tank/emergency_oxygen/double
icon_state = "emergency_double"
name = "Double Emergency Oxygen Tank"
volume = 10
/obj/item/weapon/tank/emergency_oxygen/anesthetic
icon_state = "emergency_sleep"
name = "emergency sleeping gas tank"
desc = "Contains an Oxygen/N2O mix."
distribute_pressure = ONE_ATMOSPHERE
New()
..()
src.air_contents.oxygen = (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C) * O2STANDARD
var/datum/gas/sleeping_agent/trace_gas = new()
trace_gas.moles = (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C) * N2STANDARD
src.air_contents.trace_gases += trace_gas
return