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64 lines
1.6 KiB
Plaintext
64 lines
1.6 KiB
Plaintext
//node1, air1, network1 correspond to input
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//node2, air2, network2 correspond to output
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/obj/machinery/atmospherics/binary/circulator
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name = "circulator/heat exchanger"
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desc = "A gas circulator pump and heat exchanger."
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icon = 'pipes.dmi'
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icon_state = "circ1-off"
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var/side = 1 // 1=left 2=right
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var/status = 0
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var/last_pressure_delta = 0
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anchored = 1.0
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density = 1
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proc/return_transfer_air()
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var/output_starting_pressure = air2.return_pressure()
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var/input_starting_pressure = air1.return_pressure()
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if(output_starting_pressure >= input_starting_pressure-10)
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//Need at least 10 KPa difference to overcome friction in the mechanism
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last_pressure_delta = 0
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return null
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//Calculate necessary moles to transfer using PV = nRT
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if((air1.total_moles() > 0) && (air1.temperature>0))
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var/pressure_delta = (input_starting_pressure - output_starting_pressure)/2
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var/transfer_moles = pressure_delta*air2.volume/(air1.temperature * R_IDEAL_GAS_EQUATION)
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last_pressure_delta = pressure_delta
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//Actually transfer the gas
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var/datum/gas_mixture/removed = air1.remove(transfer_moles)
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if(network1)
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network1.update = 1
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if(network2)
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network2.update = 1
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return removed
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else
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last_pressure_delta = 0
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process()
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..()
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update_icon()
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update_icon()
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if(stat & (BROKEN|NOPOWER))
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icon_state = "circ[side]-p"
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else if(last_pressure_delta > 0)
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if(last_pressure_delta > ONE_ATMOSPHERE)
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icon_state = "circ[side]-run"
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else
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icon_state = "circ[side]-slow"
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else
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icon_state = "circ[side]-off"
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return 1 |