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https://github.com/PolarisSS13/Polaris.git
synced 2025-12-30 03:53:33 +00:00
Some cleanup for pumps and vent pumps
This commit is contained in:
mwerezak
@@ -1,3 +1,5 @@
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#define DEFAULT_PRESSURE_DELTA 10000
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#define EXTERNAL_PRESSURE_BOUND ONE_ATMOSPHERE
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#define INTERNAL_PRESSURE_BOUND 0
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#define PRESSURE_CHECKS 1
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@@ -48,6 +50,9 @@
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var/radio_filter_out
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var/radio_filter_in
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//this is used to ensure process() is run before broadcasting status
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var/broadcast_status_update = 0
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/obj/machinery/atmospherics/unary/vent_pump/on
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on = 1
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@@ -87,9 +92,6 @@
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return
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if (!node)
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on = 0
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//broadcast_status() // from now air alarm/control computer should request update purposely --rastaf0
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if(!on)
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return 0
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overlays.Cut()
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@@ -144,141 +146,91 @@
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if(welded)
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return 0
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var/datum/gas_mixture/environment = loc.return_air()
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var/environment_pressure = environment.return_pressure()
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if(air_contents.temperature == 0 && environment.temperature == 0)
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return 0
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if(pump_direction) //internal -> external
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pump_to_external()
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else //external -> internal
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pump_to_internal()
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var/pressure_delta = DEFAULT_PRESSURE_DELTA
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if(pressure_delta > 0.5)
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if(pump_direction) //internal -> external
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if(pressure_checks & PRESSURE_CHECK_EXTERNAL)
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pressure_delta = min(pressure_delta, external_pressure_bound - environment_pressure) //increasing the pressure here
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if(pressure_checks & PRESSURE_CHECK_INTERNAL)
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pressure_delta = min(pressure_delta, air_contents.return_pressure() - internal_pressure_bound) //decreasing the pressure here
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//Unfortunately there's no good way to get the volume of the room, so assume 10 tiles
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//We will overshoot in small rooms when dealing with huge pressures but it won't be so bad
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var/output_volume = environment.volume * 10
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var/air_temperature = environment.temperature? environment.volume : air_contents.temperature
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var/transfer_moles = pressure_delta*output_volume/(air_temperature * R_IDEAL_GAS_EQUATION)
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transfer_gas(air_contents, environment, transfer_moles)
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else //external -> internal
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if(pressure_checks & PRESSURE_CHECK_EXTERNAL)
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pressure_delta = min(pressure_delta, environment_pressure - external_pressure_bound) //decreasing the pressure here
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if(pressure_checks & PRESSURE_CHECK_INTERNAL)
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pressure_delta = min(pressure_delta, internal_pressure_bound - air_contents.return_pressure()) //increasing the pressure here
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var/output_volume = air_contents.volume
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if (network && network.air_transient)
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output_volume = network.air_transient.volume //use the network volume if we can get it
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var/air_temperature = air_contents.temperature? air_contents.temperature : environment.temperature
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var/transfer_moles = pressure_delta*output_volume/(air_temperature * R_IDEAL_GAS_EQUATION)
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transfer_gas(environment, air_contents, transfer_moles)
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if(network)
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network.update = 1
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else
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update_use_power(0)
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process_broadcast_status()
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return 1
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/obj/machinery/atmospherics/unary/vent_pump/proc/pump_to_external()
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var/datum/gas_mixture/environment = loc.return_air()
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var/environment_pressure = environment.return_pressure()
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var/pressure_delta = 10000
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if(pressure_checks & PRESSURE_CHECK_EXTERNAL)
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pressure_delta = min(pressure_delta, (external_pressure_bound - environment_pressure))
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if(pressure_checks & PRESSURE_CHECK_INTERNAL)
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pressure_delta = min(pressure_delta, (air_contents.return_pressure() - internal_pressure_bound))
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if(pressure_delta > 0.5 && (air_contents.temperature > 0 || environment.temperature > 0))
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//Figure out how much gas to transfer
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//unfortunately there's no good way to get the volume of the room, so assume 10 tiles
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//we might overshoot in small rooms when dealing with huge pressures but it won't be so bad
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var/output_volume = environment.volume * 10
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var/air_temperature = environment.temperature? environment.temperature : air_contents.temperature
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var/transfer_moles = pressure_delta*output_volume/(air_temperature * R_IDEAL_GAS_EQUATION)
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//Calculate the amount of energy required
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var/specific_entropy = environment.specific_entropy() - air_contents.specific_entropy() //environment is gaining moles, air_contents is loosing
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var/specific_power = 0 // W/mol
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//If specific_entropy is < 0 then transfer_moles is limited by how powerful the pump is
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if (specific_entropy < 0)
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specific_power = -specific_entropy*air_temperature //how much power we need per mole
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transfer_moles = min(transfer_moles, active_power_usage / specific_power)
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//Get the gas to be transferred
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var/input_pressure = air_contents.return_pressure()
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var/datum/gas_mixture/removed = air_contents.remove(transfer_moles)
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if (isnull(removed)) //not sure why this would happen, but it does at the very beginning of the game
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update_use_power(0)
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return
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if (input_pressure > 0)
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last_flow_rate = removed.total_moles()*R_IDEAL_GAS_EQUATION*removed.temperature/input_pressure
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//If specific_entropy is < 0 then extra power needs to be supplied to move gas
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if (specific_entropy < 0)
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//pump draws power and heats gas according to 2nd law of thermodynamics
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var/power_draw = round(transfer_moles*specific_power)
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removed.add_thermal_energy(power_draw)
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handle_power_draw(power_draw)
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else
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handle_power_draw(idle_power_usage)
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loc.assume_air(removed)
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if(network)
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network.update = 1
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else
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/obj/machinery/atmospherics/unary/vent_pump/proc/transfer_gas(datum/gas_mixture/source, datum/gas_mixture/sink, var/transfer_moles)
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if(source.total_moles() == 0)
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update_use_power(0)
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return
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//This is largely identical to pump_to_external(), except since the source and sink are two different types we can't just reuse the same proc :(
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/obj/machinery/atmospherics/unary/vent_pump/proc/pump_to_internal()
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var/datum/gas_mixture/environment = loc.return_air()
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var/environment_pressure = environment.return_pressure()
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//limit transfer_moles by available power
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var/specific_power = calculate_specific_power(source, sink) //this has to be calculated before we modify any gas mixtures
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if (specific_power > 0)
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transfer_moles = min(transfer_moles, active_power_usage / specific_power)
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var/pressure_delta = 10000
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//Get the gas to be transferred
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var/datum/gas_mixture/removed = source.remove(transfer_moles)
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if(pressure_checks & PRESSURE_CHECK_EXTERNAL)
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pressure_delta = min(pressure_delta, (environment_pressure - external_pressure_bound))
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if(pressure_checks & PRESSURE_CHECK_INTERNAL)
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pressure_delta = min(pressure_delta, (internal_pressure_bound - air_contents.return_pressure()))
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if(pressure_delta > 0.5 && (air_contents.temperature > 0 || environment.temperature > 0))
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//Figure out how much gas to transfer
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var/output_volume = air_contents.volume
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if (network && network.air_transient)
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output_volume = network.air_transient.volume //use the network volume if we can get it
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var/air_temperature = air_contents.temperature? air_contents.temperature : environment.temperature
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var/transfer_moles = pressure_delta*output_volume/(air_temperature * R_IDEAL_GAS_EQUATION)
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//Calculate the amount of energy required
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var/specific_entropy = air_contents.specific_entropy() - environment.specific_entropy() //air_contents is gaining moles, environment is loosing
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var/specific_power = 0 // W/mol
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//If specific_entropy is < 0 then transfer_moles is limited by how powerful the pump is
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if (specific_entropy < 0)
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specific_power = -specific_entropy*air_temperature //how much power we need per mole
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transfer_moles = min(transfer_moles, active_power_usage / specific_power)
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//Get the gas to be transferred
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var/input_pressure = environment.return_pressure()
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var/datum/gas_mixture/removed = loc.remove_air(transfer_moles)
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if (isnull(removed)) //in space
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update_use_power(0)
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return
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if (input_pressure > 0)
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last_flow_rate = removed.total_moles()*R_IDEAL_GAS_EQUATION*removed.temperature/input_pressure
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//If specific_entropy is < 0 then extra power needs to be supplied to move gas
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if (specific_entropy < 0)
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//pump draws power and heats gas according to 2nd law of thermodynamics
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var/power_draw = round(transfer_moles*specific_power)
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removed.add_thermal_energy(power_draw)
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handle_power_draw(power_draw)
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else
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handle_power_draw(idle_power_usage)
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air_contents.merge(removed)
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if(network)
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network.update = 1
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if (isnull(removed)) //not sure why this would happen, but it does at the very beginning of the game
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return
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last_flow_rate = (removed.total_moles()/(removed.total_moles() + source.total_moles()))*source.volume
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var/power_draw = specific_power*transfer_moles
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if (power_draw > 0)
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removed.add_thermal_energy(power_draw)
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handle_pump_power_draw(power_draw)
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last_power_draw = power_draw
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else
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update_use_power(0)
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//This proc handles power usages so that we only have to call use_power() when the pump is loaded but not at full load.
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/obj/machinery/atmospherics/unary/vent_pump/proc/handle_power_draw(var/usage_amount)
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if (usage_amount > active_power_usage - 5)
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update_use_power(2)
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else
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update_use_power(1)
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if (usage_amount > idle_power_usage)
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use_power(round(usage_amount))
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handle_pump_power_draw(idle_power_usage)
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last_power_draw = idle_power_usage
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last_power_draw = usage_amount
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//merge the removed gas into the sink
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sink.merge(removed)
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/* Uncomment this in case it actually matters whether we call assume_air() or just merge with the returned air directly
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if (istype(sink, /datum/gas_mixture)
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var/datum/gas_mixture/M = sink
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M.merge(removed)
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else if (istype(sink, /turf)
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var/turf/T = sink
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T.assume_air(removed)
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*/
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//Radio remote control
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@@ -289,6 +241,14 @@
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radio_connection = radio_controller.add_object(src, frequency,radio_filter_in)
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/obj/machinery/atmospherics/unary/vent_pump/proc/broadcast_status()
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broadcast_status_update = 1
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/obj/machinery/atmospherics/unary/vent_pump/proc/process_broadcast_status()
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if (!broadcast_status_update)
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return 0
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broadcast_status_update = 0
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if(!radio_connection)
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return 0
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