91 lines
3.1 KiB
C#
91 lines
3.1 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using Content.Server.GameObjects.Components.Mobs;
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using Content.Server.Interfaces.GameObjects;
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using Content.Shared.Alert;
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using Content.Shared.Atmos;
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using Content.Shared.Damage;
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using Content.Shared.GameObjects.Components.Damage;
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using Robust.Shared.GameObjects;
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namespace Content.Server.GameObjects.Components.Atmos
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{
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/// <summary>
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/// Barotrauma: injury because of changes in air pressure.
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/// </summary>
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[RegisterComponent]
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public class BarotraumaComponent : Component
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{
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public override string Name => "Barotrauma";
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public void Update(float airPressure)
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{
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if (!Owner.TryGetComponent(out IDamageableComponent? damageable)) return;
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var status = Owner.GetComponentOrNull<ServerAlertsComponent>();
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var highPressureMultiplier = 1f;
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var lowPressureMultiplier = 1f;
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foreach (var protection in Owner.GetAllComponents<IPressureProtection>())
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{
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highPressureMultiplier *= protection.HighPressureMultiplier;
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lowPressureMultiplier *= protection.LowPressureMultiplier;
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}
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var pressure = MathF.Max(airPressure, 1f);
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switch (pressure)
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{
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// Low pressure.
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case var p when p <= Atmospherics.WarningLowPressure:
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pressure *= lowPressureMultiplier;
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if(pressure > Atmospherics.WarningLowPressure)
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goto default;
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damageable.ChangeDamage(DamageType.Blunt, Atmospherics.LowPressureDamage, false, Owner);
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if (status == null) break;
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if (pressure <= Atmospherics.HazardLowPressure)
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{
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status.ShowAlert(AlertType.LowPressure, 2);
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break;
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}
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status.ShowAlert(AlertType.LowPressure, 1);
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break;
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// High pressure.
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case var p when p >= Atmospherics.WarningHighPressure:
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pressure *= highPressureMultiplier;
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if(pressure < Atmospherics.WarningHighPressure)
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goto default;
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var damage = (int) MathF.Min((pressure / Atmospherics.HazardHighPressure) * Atmospherics.PressureDamageCoefficient, Atmospherics.MaxHighPressureDamage);
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damageable.ChangeDamage(DamageType.Blunt, damage, false, Owner);
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if (status == null) break;
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if (pressure >= Atmospherics.HazardHighPressure)
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{
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status.ShowAlert(AlertType.HighPressure, 2);
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break;
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}
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status.ShowAlert(AlertType.HighPressure, 1);
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break;
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// Normal pressure.
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default:
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status?.ClearAlertCategory(AlertCategory.Pressure);
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break;
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}
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}
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}
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}
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