epic Respiration Rework (#6022)
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mirrorcult
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@@ -1,9 +1,10 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Content.Server.Administration.Logs;
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using Content.Server.Atmos;
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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.Shared.Alert;
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using Content.Shared.Atmos;
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using Content.Shared.Body.Components;
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@@ -13,6 +14,9 @@ using Content.Shared.MobState.Components;
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using JetBrains.Annotations;
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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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namespace Content.Server.Body.Systems
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{
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@@ -23,14 +27,25 @@ namespace Content.Server.Body.Systems
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[Dependency] private readonly AdminLogSystem _logSys = default!;
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[Dependency] private readonly BodySystem _bodySystem = default!;
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[Dependency] private readonly LungSystem _lungSystem = default!;
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[Dependency] private readonly AtmosphereSystem _atmosSys = default!;
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[Dependency] private readonly PopupSystem _popupSystem = default!;
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[Dependency] private readonly AlertsSystem _alertsSystem = default!;
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[Dependency] private readonly IGameTiming _gameTiming = default!;
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public override void Initialize()
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{
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base.Initialize();
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// We want to process lung reagents before we inhale new reagents.
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UpdatesAfter.Add(typeof(MetabolizerSystem));
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}
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public override void Update(float frameTime)
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{
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base.Update(frameTime);
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foreach (var (respirator, blood, body) in
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EntityManager.EntityQuery<RespiratorComponent, BloodstreamComponent, SharedBodyComponent>())
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foreach (var (respirator, body) in
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EntityManager.EntityQuery<RespiratorComponent, SharedBodyComponent>())
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{
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var uid = respirator.Owner;
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if (!EntityManager.TryGetComponent<MobStateComponent>(uid, out var state) ||
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@@ -41,211 +56,142 @@ namespace Content.Server.Body.Systems
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respirator.AccumulatedFrametime += frameTime;
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if (respirator.AccumulatedFrametime < 1)
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{
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if (respirator.AccumulatedFrametime < respirator.CycleDelay)
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continue;
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respirator.AccumulatedFrametime -= respirator.CycleDelay;
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UpdateSaturation(respirator.Owner, -respirator.CycleDelay, respirator);
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switch (respirator.Status)
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{
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case RespiratorStatus.Inhaling:
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Inhale(uid, body);
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respirator.Status = RespiratorStatus.Exhaling;
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break;
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case RespiratorStatus.Exhaling:
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Exhale(uid, body);
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respirator.Status = RespiratorStatus.Inhaling;
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break;
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}
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ProcessGases(uid, respirator, blood, body);
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respirator.AccumulatedFrametime -= 1;
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if (SuffocatingPercentage(respirator) > 0)
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if (respirator.Saturation < respirator.SuffocationThreshold)
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{
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if (_gameTiming.CurTime >= respirator.LastGaspPopupTime + respirator.GaspPopupCooldown)
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{
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respirator.LastGaspPopupTime = _gameTiming.CurTime;
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_popupSystem.PopupEntity(Loc.GetString("lung-behavior-gasp"), uid, Filter.Pvs(uid));
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}
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TakeSuffocationDamage(uid, respirator);
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respirator.SuffocationCycles += 1;
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continue;
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}
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StopSuffocation(uid, respirator);
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respirator.SuffocationCycles = 0;
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}
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}
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private Dictionary<Gas, float> NeedsAndDeficit(RespiratorComponent respirator)
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public void Inhale(EntityUid uid, SharedBodyComponent? body=null)
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{
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var needs = new Dictionary<Gas, float>(respirator.NeedsGases);
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foreach (var (gas, amount) in respirator.DeficitGases)
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{
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var newAmount = (needs.GetValueOrDefault(gas) + amount);
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needs[gas] = newAmount;
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}
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return needs;
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}
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private void ClampDeficit(RespiratorComponent respirator)
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{
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var deficitGases = new Dictionary<Gas, float>(respirator.DeficitGases);
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foreach (var (gas, deficit) in deficitGases)
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{
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if (!respirator.NeedsGases.TryGetValue(gas, out var need))
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{
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respirator.DeficitGases.Remove(gas);
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continue;
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}
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if (deficit > need)
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{
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respirator.DeficitGases[gas] = need;
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}
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}
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}
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private float SuffocatingPercentage(RespiratorComponent respirator)
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{
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var total = 0f;
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foreach (var (gas, deficit) in respirator.DeficitGases)
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{
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var lack = 1f;
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if (respirator.NeedsGases.TryGetValue(gas, out var needed))
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{
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lack = deficit / needed;
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}
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total += lack / Atmospherics.TotalNumberOfGases;
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}
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return total;
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}
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private float GasProducedMultiplier(RespiratorComponent respirator, Gas gas, float usedAverage)
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{
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if (!respirator.ProducesGases.TryGetValue(gas, out var produces))
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{
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return 0;
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}
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if (!respirator.NeedsGases.TryGetValue(gas, out var needs))
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{
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needs = 1;
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}
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return needs * produces * usedAverage;
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}
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private Dictionary<Gas, float> GasProduced(RespiratorComponent respirator, float usedAverage)
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{
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return respirator.ProducesGases.ToDictionary(pair => pair.Key, pair => GasProducedMultiplier(respirator, pair.Key, usedAverage));
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}
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private void ProcessGases(EntityUid uid, RespiratorComponent respirator,
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BloodstreamComponent? bloodstream,
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SharedBodyComponent? body)
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{
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if (!Resolve(uid, ref bloodstream, ref body, false))
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if (!Resolve(uid, ref body, false))
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return;
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var lungs = _bodySystem.GetComponentsOnMechanisms<LungComponent>(uid, body).ToArray();
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var organs = _bodySystem.GetComponentsOnMechanisms<LungComponent>(uid, body).ToArray();
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var needs = NeedsAndDeficit(respirator);
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var used = 0f;
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// Inhale gas
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var ev = new InhaleLocationEvent();
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RaiseLocalEvent(uid, ev, false);
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foreach (var (lung, mech) in lungs)
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if (ev.Gas == null)
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{
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_lungSystem.UpdateLung(lung.Owner, lung, mech);
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ev.Gas = _atmosSys.GetTileMixture(Transform(uid).Coordinates);
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if (ev.Gas == null) return;
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}
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foreach (var (gas, amountNeeded) in needs)
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var ratio = (Atmospherics.BreathVolume / ev.Gas.Volume);
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var actualGas = ev.Gas.RemoveRatio(ratio);
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var lungRatio = 1.0f / organs.Length;
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var gas = organs.Length == 1 ? actualGas : actualGas.RemoveRatio(lungRatio);
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foreach (var (lung, _) in organs)
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{
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var bloodstreamAmount = bloodstream.Air.GetMoles(gas);
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var deficit = 0f;
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// Merge doesn't remove gas from the giver.
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_atmosSys.Merge(lung.Air, gas);
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_lungSystem.GasToReagent(lung.Owner, lung);
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}
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}
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if (bloodstreamAmount < amountNeeded)
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{
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// Panic inhale
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foreach (var (lung, mech) in lungs)
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{
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_lungSystem.Gasp((lung).Owner, lung, mech);
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}
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public void Exhale(EntityUid uid, SharedBodyComponent? body=null)
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{
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if (!Resolve(uid, ref body, false))
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return;
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bloodstreamAmount = bloodstream.Air.GetMoles(gas);
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var organs = _bodySystem.GetComponentsOnMechanisms<LungComponent>(uid, body).ToArray();
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deficit = Math.Max(0, amountNeeded - bloodstreamAmount);
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// exhale gas
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if (deficit > 0)
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{
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bloodstream.Air.SetMoles(gas, 0);
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}
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else
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{
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bloodstream.Air.AdjustMoles(gas, -amountNeeded);
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}
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}
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else
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{
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bloodstream.Air.AdjustMoles(gas, -amountNeeded);
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}
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var ev = new ExhaleLocationEvent();
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RaiseLocalEvent(uid, ev, false);
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respirator.DeficitGases[gas] = deficit;
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used += (amountNeeded - deficit) / amountNeeded;
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if (ev.Gas == null)
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{
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ev.Gas = _atmosSys.GetTileMixture(Transform(uid).Coordinates);
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if (ev.Gas == null) return;
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}
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var produced = GasProduced(respirator, used / needs.Count);
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foreach (var (gas, amountProduced) in produced)
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var outGas = new GasMixture(ev.Gas.Volume);
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foreach (var (lung, _) in organs)
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{
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bloodstream.Air.AdjustMoles(gas, amountProduced);
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_atmosSys.Merge(outGas, lung.Air);
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lung.Air.Clear();
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lung.LungSolution.RemoveAllSolution();
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}
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ClampDeficit(respirator);
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_atmosSys.Merge(ev.Gas, outGas);
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}
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private void TakeSuffocationDamage(EntityUid uid, RespiratorComponent respirator)
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{
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if (!respirator.Suffocating)
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if (respirator.SuffocationCycles == 2)
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_logSys.Add(LogType.Asphyxiation, $"{ToPrettyString(uid):entity} started suffocating");
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respirator.Suffocating = true;
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_alertsSystem.ShowAlert(uid, AlertType.LowOxygen);
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if (respirator.SuffocationCycles >= respirator.SuffocationCycleThreshold)
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{
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_alertsSystem.ShowAlert(uid, AlertType.LowOxygen);
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}
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_damageableSys.TryChangeDamage(uid, respirator.Damage, true, false);
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}
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private void StopSuffocation(EntityUid uid, RespiratorComponent respirator)
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{
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if (respirator.Suffocating)
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if (respirator.SuffocationCycles >= 2)
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_logSys.Add(LogType.Asphyxiation, $"{ToPrettyString(uid):entity} stopped suffocating");
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respirator.Suffocating = false;
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_alertsSystem.ClearAlert(uid, AlertType.LowOxygen);
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_damageableSys.TryChangeDamage(uid, respirator.DamageRecovery, true);
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}
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public GasMixture Clean(EntityUid uid, RespiratorComponent respirator, BloodstreamComponent bloodstream)
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public void UpdateSaturation(EntityUid uid, float amount,
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RespiratorComponent? respirator = null)
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{
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var gasMixture = new GasMixture(bloodstream.Air.Volume)
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{
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Temperature = bloodstream.Air.Temperature
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};
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if (!Resolve(uid, ref respirator, false))
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return;
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for (Gas gas = 0; gas < (Gas) Atmospherics.TotalNumberOfGases; gas++)
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{
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float amount;
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var molesInBlood = bloodstream.Air.GetMoles(gas);
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if (!respirator.NeedsGases.TryGetValue(gas, out var needed))
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{
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amount = molesInBlood;
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}
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else
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{
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var overflowThreshold = needed * 5f;
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amount = molesInBlood > overflowThreshold
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? molesInBlood - overflowThreshold
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: 0;
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}
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gasMixture.AdjustMoles(gas, amount);
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bloodstream.Air.AdjustMoles(gas, -amount);
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}
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return gasMixture;
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respirator.Saturation += amount;
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respirator.Saturation =
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Math.Clamp(respirator.Saturation, respirator.MinSaturation, respirator.MaxSaturation);
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}
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}
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}
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public class InhaleLocationEvent : EntityEventArgs
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{
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public GasMixture? Gas;
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}
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public class ExhaleLocationEvent : EntityEventArgs
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{
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public GasMixture? Gas;
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}
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