epic Respiration Rework (#6022)
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mirrorcult
GitHub
@@ -1,33 +1,28 @@
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using System;
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using Content.Server.Atmos;
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using System.Linq;
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using Content.Server.Atmos.Components;
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using Content.Server.Atmos.EntitySystems;
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using Content.Server.Body.Components;
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using Content.Server.Popups;
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using Content.Server.Chemistry.EntitySystems;
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using Content.Shared.Atmos;
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using Content.Shared.Body.Components;
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using Content.Shared.Body.Events;
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using Content.Shared.Chemistry.Components;
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using Content.Shared.Inventory.Events;
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using Content.Shared.MobState.Components;
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using Robust.Shared.GameObjects;
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using Robust.Shared.IoC;
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using Robust.Shared.Localization;
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using Robust.Shared.Player;
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using Robust.Shared.Timing;
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using Robust.Shared.Utility;
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namespace Content.Server.Body.Systems;
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public class LungSystem : EntitySystem
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{
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[Dependency] private readonly IGameTiming _gameTiming = default!;
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[Dependency] private readonly AtmosphereSystem _atmosSys = default!;
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[Dependency] private readonly BloodstreamSystem _bloodstreamSystem = default!;
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[Dependency] private readonly PopupSystem _popupSystem = default!;
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[Dependency] private readonly SolutionContainerSystem _solutionContainerSystem = default!;
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[Dependency] private readonly AtmosphereSystem _atmosphereSystem = default!;
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public static string LungSolutionName = "Lung";
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<LungComponent, AddedToBodyEvent>(OnAddedToBody);
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SubscribeLocalEvent<LungComponent, ComponentInit>(OnComponentInit);
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SubscribeLocalEvent<BreathToolComponent, GotEquippedEvent>(OnGotEquipped);
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SubscribeLocalEvent<BreathToolComponent, GotUnequippedEvent>(OnGotUnequipped);
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}
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@@ -50,175 +45,30 @@ public class LungSystem : EntitySystem
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}
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}
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private void OnAddedToBody(EntityUid uid, LungComponent component, AddedToBodyEvent args)
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private void OnComponentInit(EntityUid uid, LungComponent component, ComponentInit args)
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{
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Inhale(uid, component.CycleDelay);
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component.LungSolution = _solutionContainerSystem.EnsureSolution(uid, LungSolutionName);
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component.LungSolution.MaxVolume = 100.0f;
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component.LungSolution.CanReact = false; // No dexalin lungs
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}
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public void Gasp(EntityUid uid,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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public void GasToReagent(EntityUid uid, LungComponent lung)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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if (_gameTiming.CurTime >= lung.LastGaspPopupTime + lung.GaspPopupCooldown)
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foreach (var gas in lung.ValidGases)
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{
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lung.LastGaspPopupTime = _gameTiming.CurTime;
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_popupSystem.PopupEntity(Loc.GetString("lung-behavior-gasp"), uid, Filter.Pvs(uid));
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var i = (int) gas;
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var moles = lung.Air.Moles[i];
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if (moles <= 0)
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continue;
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var reagent = _atmosphereSystem.GasReagents[i];
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if (reagent == null) continue;
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var amount = moles * Atmospherics.BreathMolesToReagentMultiplier;
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_solutionContainerSystem.TryAddReagent(uid, lung.LungSolution, reagent, amount, out _);
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// We don't remove the gas from the lung mix,
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// that's the responsibility of whatever gas is being metabolized.
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// Most things will just want to exhale again.
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}
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if (mech.Body != null && TryComp((mech.Body).Owner, out MobStateComponent? mobState) && !mobState.IsAlive())
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return;
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Inhale(uid, lung.CycleDelay);
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}
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public void UpdateLung(EntityUid uid,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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if (mech.Body != null && EntityManager.TryGetComponent((mech.Body).Owner, out MobStateComponent? mobState) && mobState.IsCritical())
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{
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return;
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}
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if (lung.Status == LungStatus.None)
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{
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lung.Status = LungStatus.Inhaling;
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}
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lung.AccumulatedFrametime += lung.Status switch
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{
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LungStatus.Inhaling => 1,
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LungStatus.Exhaling => -1,
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_ => throw new ArgumentOutOfRangeException()
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};
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var absoluteTime = Math.Abs(lung.AccumulatedFrametime);
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var delay = lung.CycleDelay;
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if (absoluteTime < delay)
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{
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return;
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}
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switch (lung.Status)
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{
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case LungStatus.Inhaling:
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Inhale(uid, absoluteTime);
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lung.Status = LungStatus.Exhaling;
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break;
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case LungStatus.Exhaling:
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Exhale(uid, absoluteTime);
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lung.Status = LungStatus.Inhaling;
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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lung.AccumulatedFrametime = absoluteTime - delay;
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}
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/// <summary>
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/// Tries to find an air mixture to inhale from, then inhales from it.
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/// </summary>
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public void Inhale(EntityUid uid, float frameTime,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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// TODO Jesus Christ make this event based.
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if (mech.Body != null &&
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EntityManager.TryGetComponent((mech.Body).Owner, out InternalsComponent? internals) &&
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internals.BreathToolEntity != null &&
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internals.GasTankEntity != null &&
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EntityManager.TryGetComponent(internals.BreathToolEntity, out BreathToolComponent? breathTool) &&
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breathTool.IsFunctional &&
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EntityManager.TryGetComponent(internals.GasTankEntity, out GasTankComponent? gasTank))
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{
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TakeGasFrom(uid, frameTime, gasTank.RemoveAirVolume(Atmospherics.BreathVolume), lung);
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return;
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}
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if (_atmosSys.GetTileMixture(EntityManager.GetComponent<TransformComponent>(uid).Coordinates, true) is not { } tileAir)
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{
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return;
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}
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TakeGasFrom(uid, frameTime, tileAir, lung);
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}
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/// <summary>
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/// Inhales directly from a given mixture.
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/// </summary>
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public void TakeGasFrom(EntityUid uid, float frameTime, GasMixture from,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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var ratio = (Atmospherics.BreathVolume / from.Volume) * frameTime;
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_atmosSys.Merge(lung.Air, from.RemoveRatio(ratio));
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// Push to bloodstream
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if (mech.Body == null)
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return;
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if (!EntityManager.TryGetComponent((mech.Body).Owner, out BloodstreamComponent? bloodstream))
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return;
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var to = bloodstream.Air;
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_atmosSys.Merge(to, lung.Air);
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lung.Air.Clear();
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}
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/// <summary>
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/// Tries to find a gas mixture to exhale to, then pushes gas to it.
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/// </summary>
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public void Exhale(EntityUid uid, float frameTime,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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if (_atmosSys.GetTileMixture(EntityManager.GetComponent<TransformComponent>(uid).Coordinates, true) is not { } tileAir)
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{
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return;
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}
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PushGasTo(uid, tileAir, lung, mech);
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}
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/// <summary>
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/// Pushes gas from the lungs to a gas mixture.
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/// </summary>
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public void PushGasTo(EntityUid uid, GasMixture to,
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LungComponent? lung=null,
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MechanismComponent? mech=null)
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{
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if (!Resolve(uid, ref lung, ref mech))
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return;
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// TODO: Make the bloodstream separately pump toxins into the lungs, making the lungs' only job to empty.
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if (mech.Body == null)
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return;
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if (!EntityManager.TryGetComponent((mech.Body).Owner, out BloodstreamComponent? bloodstream))
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return;
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_bloodstreamSystem.PumpToxins((mech.Body).Owner, lung.Air, bloodstream);
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var lungRemoved = lung.Air.RemoveRatio(0.5f);
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_atmosSys.Merge(to, lungRemoved);
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}
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}
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