54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
using System;
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using Content.Server.Atmos.Piping.Binary.Components;
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using Content.Server.Atmos.Piping.Components;
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using Content.Server.NodeContainer;
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using Content.Server.NodeContainer.Nodes;
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using Content.Shared.Atmos;
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using JetBrains.Annotations;
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using Robust.Shared.GameObjects;
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namespace Content.Server.Atmos.Piping.Binary.EntitySystems
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{
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[UsedImplicitly]
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public class GasPassiveGateSystem : EntitySystem
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{
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<GasPassiveGateComponent, AtmosDeviceUpdateEvent>(OnPassiveGateUpdated);
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}
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private void OnPassiveGateUpdated(EntityUid uid, GasPassiveGateComponent gate, AtmosDeviceUpdateEvent args)
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{
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if (!gate.Enabled)
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return;
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if (!EntityManager.TryGetComponent(uid, out NodeContainerComponent? nodeContainer))
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return;
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if (!nodeContainer.TryGetNode(gate.InletName, out PipeNode? inlet)
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|| !nodeContainer.TryGetNode(gate.OutletName, out PipeNode? outlet))
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return;
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var outputStartingPressure = outlet.Air.Pressure;
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var inputStartingPressure = inlet.Air.Pressure;
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if (outputStartingPressure >= MathF.Min(gate.TargetPressure, inputStartingPressure - gate.FrictionPressureDifference))
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return; // No need to pump gas, target reached or input pressure too low.
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if (inlet.Air.TotalMoles > 0 && inlet.Air.Temperature > 0)
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{
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// We calculate the necessary moles to transfer using our good ol' friend PV=nRT.
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var pressureDelta = MathF.Min(gate.TargetPressure - outputStartingPressure, (inputStartingPressure - outputStartingPressure)/2);
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// We can't have a pressure delta that would cause outlet pressure > inlet pressure.
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var transferMoles = pressureDelta * outlet.Air.Volume / (inlet.Air.Temperature * Atmospherics.R);
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// Actually transfer the gas.
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outlet.AssumeAir(inlet.Air.Remove(transferMoles));
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}
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}
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}
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}
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