74 lines
2.1 KiB
Plaintext
74 lines
2.1 KiB
Plaintext
//"immutable" gas mixture used for immutable calculations
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//it can be changed, but any changes will ultimately be undone before they can have any effect
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/datum/gas_mixture/immutable
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var/initial_temperature
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/datum/gas_mixture/immutable/New()
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..()
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garbage_collect()
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/datum/gas_mixture/immutable/garbage_collect()
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temperature = initial_temperature
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temperature_archived = initial_temperature
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gases.Cut()
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/datum/gas_mixture/immutable/archive()
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return 1 //nothing changes, so we do nothing and the archive is successful
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/datum/gas_mixture/immutable/merge()
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return 0 //we're immutable.
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/datum/gas_mixture/immutable/share(datum/gas_mixture/sharer, atmos_adjacent_turfs = 4)
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. = ..(sharer, 0)
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garbage_collect()
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/datum/gas_mixture/immutable/after_share()
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garbage_collect()
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/datum/gas_mixture/immutable/react()
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return 0 //we're immutable.
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/datum/gas_mixture/immutable/copy()
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return new type //we're immutable, so we can just return a new instance.
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/datum/gas_mixture/immutable/copy_from()
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return 0 //we're immutable.
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/datum/gas_mixture/immutable/copy_from_turf()
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return 0 //we're immutable.
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/datum/gas_mixture/immutable/parse_gas_string()
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return 0 //we're immutable.
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/datum/gas_mixture/immutable/temperature_share(datum/gas_mixture/sharer, conduction_coefficient, sharer_temperature, sharer_heat_capacity)
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. = ..()
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temperature = initial_temperature
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//used by space tiles
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/datum/gas_mixture/immutable/space
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initial_temperature = TCMB
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/datum/gas_mixture/immutable/space/heat_capacity()
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return HEAT_CAPACITY_VACUUM
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/datum/gas_mixture/immutable/space/remove()
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return copy() //we're always empty, so we can just return a copy.
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/datum/gas_mixture/immutable/space/remove_ratio()
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return copy() //we're always empty, so we can just return a copy.
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//used by cloners
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/datum/gas_mixture/immutable/cloner
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initial_temperature = T20C
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/datum/gas_mixture/immutable/cloner/garbage_collect()
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..()
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ADD_GAS(/datum/gas/nitrogen, gases)
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gases[/datum/gas/nitrogen][MOLES] = MOLES_O2STANDARD + MOLES_N2STANDARD
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/datum/gas_mixture/immutable/cloner/heat_capacity()
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return (MOLES_O2STANDARD + MOLES_N2STANDARD)*20 //specific heat of nitrogen is 20
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