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85 lines
2.5 KiB
Plaintext
85 lines
2.5 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. Its input port is on the south side, and its output port is on the north side."
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icon = 'icons/obj/atmospherics/circulator.dmi'
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icon_state = "circ1-off"
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var/side = CIRC_LEFT
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var/global/const/CIRC_LEFT = WEST
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var/global/const/CIRC_RIGHT = EAST
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var/last_pressure_delta = 0
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var/obj/machinery/power/generator/generator
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layer = 2.45 // Just above wires
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anchored = 1
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density = 1
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can_unwrench = 1
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// Creating a custom circulator pipe subtype to be delivered through cargo
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/obj/item/pipe/circulator
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name = "circulator/heat exchanger fitting"
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/obj/item/pipe/circulator/New(loc)
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var/obj/machinery/atmospherics/binary/circulator/C = new /obj/machinery/atmospherics/binary/circulator(null)
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..(loc, make_from = C)
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/obj/machinery/atmospherics/binary/circulator/Destroy()
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if(generator && generator.cold_circ == src)
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generator.cold_circ = null
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else if(generator && generator.hot_circ == src)
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generator.hot_circ = null
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return ..()
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/obj/machinery/atmospherics/binary/circulator/proc/return_transfer_air()
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var/output_starting_pressure = air1.return_pressure()
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var/input_starting_pressure = air2.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(air2.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 * air1.volume/(air2.temperature * R_IDEAL_GAS_EQUATION)
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last_pressure_delta = pressure_delta
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//log_debug("pressure_delta = [pressure_delta]; transfer_moles = [transfer_moles];")
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//Actually transfer the gas
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var/datum/gas_mixture/removed = air2.remove(transfer_moles)
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parent1.update = 1
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parent2.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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/obj/machinery/atmospherics/binary/circulator/process()
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..()
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update_icon()
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/obj/machinery/atmospherics/binary/circulator/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 |