Files
tbd-station-14/Content.Server/Body/Systems/InternalsSystem.cs
2022-12-06 15:14:08 -08:00

284 lines
10 KiB
C#

using Content.Server.Atmos.Components;
using Content.Server.Atmos.EntitySystems;
using Content.Server.Body.Components;
using Content.Server.Hands.Systems;
using Content.Shared.Alert;
using Content.Shared.Atmos;
using Content.Shared.Inventory;
using Robust.Shared.Containers;
using Robust.Shared.Prototypes;
using Content.Shared.Verbs;
using Content.Server.Popups;
using Robust.Shared.Player;
using Content.Server.DoAfter;
using System.Threading;
namespace Content.Server.Body.Systems;
public sealed class InternalsSystem : EntitySystem
{
[Dependency] private readonly IPrototypeManager _protoManager = default!;
[Dependency] private readonly AlertsSystem _alerts = default!;
[Dependency] private readonly AtmosphereSystem _atmos = default!;
[Dependency] private readonly DoAfterSystem _doAfter = default!;
[Dependency] private readonly GasTankSystem _gasTank = default!;
[Dependency] private readonly HandsSystem _hands = default!;
[Dependency] private readonly InventorySystem _inventory = default!;
[Dependency] private readonly PopupSystem _popupSystem = default!;
public override void Initialize()
{
base.Initialize();
SubscribeLocalEvent<InternalsComponent, InhaleLocationEvent>(OnInhaleLocation);
SubscribeLocalEvent<InternalsComponent, ComponentStartup>(OnInternalsStartup);
SubscribeLocalEvent<InternalsComponent, ComponentShutdown>(OnInternalsShutdown);
SubscribeLocalEvent<InternalsComponent, GetVerbsEvent<InteractionVerb>>(OnGetInteractionVerbs);
SubscribeLocalEvent<InternalsComponent, ToggleOtherInternalsCompleteEvent>(OnToggleOtherInternalsComplete);
SubscribeLocalEvent<InternalsComponent, ToggleOtherInternalsCancelledEvent>(OnToggleOtherInternalCanceled);
}
private void OnGetInteractionVerbs(EntityUid uid, InternalsComponent component, GetVerbsEvent<InteractionVerb> args)
{
if (!args.CanAccess || !args.CanInteract || args.Hands == null)
return;
InteractionVerb verb = new()
{
Act = () =>
{
ToggleInternals(uid, args.User, false, component);
},
Message = Loc.GetString("action-description-internals-toggle"),
IconTexture = "/Textures/Interface/VerbIcons/dot.svg.192dpi.png",
Text = Loc.GetString("action-name-internals-toggle"),
};
args.Verbs.Add(verb);
}
public void ToggleInternals(EntityUid uid, EntityUid user, bool force, InternalsComponent? internals = null)
{
if (!Resolve(uid, ref internals, false))
{
return;
}
// Toggle off if they're on
if (AreInternalsWorking(internals))
{
DisconnectTank(internals);
return;
}
// If they're not on then check if we have a mask to use
if (internals.BreathToolEntity == null)
{
_popupSystem.PopupEntity(Loc.GetString("internals-no-breath-tool"), uid, Filter.Entities(user));
return;
}
var tank = FindBestGasTank(internals);
if (tank == null)
{
_popupSystem.PopupEntity(Loc.GetString("internals-no-tank"), uid, Filter.Entities(user));
return;
}
// Is the target not you? If yes, use a do-after to give them time to respond.
if (!force && uid != user)
{
internals.CancelToken?.Cancel();
internals.CancelToken = new CancellationTokenSource();
_doAfter.DoAfter(new DoAfterEventArgs(user, internals.Delay, internals.CancelToken.Token, uid)
{
BreakOnUserMove = true,
BreakOnDamage = true,
BreakOnStun = true,
BreakOnTargetMove = true,
MovementThreshold = 0.1f,
TargetFinishedEvent = new ToggleOtherInternalsCompleteEvent(user, tank),
TargetCancelledEvent = new ToggleOtherInternalsCancelledEvent(),
});
return;
}
_gasTank.ConnectToInternals(tank);
}
private void OnToggleOtherInternalsComplete(EntityUid uid, InternalsComponent component, ToggleOtherInternalsCompleteEvent ev)
{
component.CancelToken = null;
ToggleInternals(uid, ev.User, true, component);
}
private static void OnToggleOtherInternalCanceled(EntityUid uid, InternalsComponent component, ToggleOtherInternalsCancelledEvent ev)
{
component.CancelToken = null;
}
private void OnInternalsStartup(EntityUid uid, InternalsComponent component, ComponentStartup args)
{
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
}
private void OnInternalsShutdown(EntityUid uid, InternalsComponent component, ComponentShutdown args)
{
_alerts.ClearAlert(uid, AlertType.Internals);
}
private void OnInhaleLocation(EntityUid uid, InternalsComponent component, InhaleLocationEvent args)
{
if (AreInternalsWorking(component))
{
var gasTank = Comp<GasTankComponent>(component.GasTankEntity!.Value);
args.Gas = _gasTank.RemoveAirVolume(gasTank, Atmospherics.BreathVolume);
// TODO: Should listen to gas tank updates instead I guess?
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
}
}
public void DisconnectBreathTool(InternalsComponent component)
{
var old = component.BreathToolEntity;
component.BreathToolEntity = null;
if (TryComp(old, out BreathToolComponent? breathTool) )
{
_atmos.DisconnectInternals(breathTool);
DisconnectTank(component);
}
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
}
public void ConnectBreathTool(InternalsComponent component, EntityUid toolEntity)
{
if (TryComp(component.BreathToolEntity, out BreathToolComponent? tool))
{
_atmos.DisconnectInternals(tool);
}
component.BreathToolEntity = toolEntity;
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
}
public void DisconnectTank(InternalsComponent? component)
{
if (component == null) return;
if (TryComp(component.GasTankEntity, out GasTankComponent? tank))
{
_gasTank.DisconnectFromInternals(tank);
}
component.GasTankEntity = null;
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
}
public bool TryConnectTank(InternalsComponent component, EntityUid tankEntity)
{
if (component.BreathToolEntity == null)
return false;
if (TryComp(component.GasTankEntity, out GasTankComponent? tank))
{
_gasTank.DisconnectFromInternals(tank);
}
component.GasTankEntity = tankEntity;
_alerts.ShowAlert(component.Owner, AlertType.Internals, GetSeverity(component));
return true;
}
public bool AreInternalsWorking(InternalsComponent component)
{
return TryComp(component.BreathToolEntity, out BreathToolComponent? breathTool) &&
breathTool.IsFunctional &&
TryComp(component.GasTankEntity, out GasTankComponent? gasTank) &&
gasTank.Air != null;
}
private short GetSeverity(InternalsComponent component)
{
if (component.BreathToolEntity == null || !AreInternalsWorking(component)) return 2;
// If pressure in the tank is below low pressure threshhold, flash warning on internals UI
if (TryComp<GasTankComponent>(component.GasTankEntity, out var gasTank)
&& gasTank.IsLowPressure)
return 0;
return 1;
}
public GasTankComponent? FindBestGasTank(InternalsComponent component)
{
// Prioritise
// 1. back equipped tanks
// 2. exo-slot tanks
// 3. in-hand tanks
// 4. pocket/belt tanks
InventoryComponent? inventory = null;
ContainerManagerComponent? containerManager = null;
if (_inventory.TryGetSlotEntity(component.Owner, "back", out var backEntity, inventory, containerManager) &&
TryComp<GasTankComponent>(backEntity, out var backGasTank) &&
_gasTank.CanConnectToInternals(backGasTank))
{
return backGasTank;
}
if (_inventory.TryGetSlotEntity(component.Owner, "suitstorage", out var entity, inventory, containerManager) &&
TryComp<GasTankComponent>(entity, out var gasTank) &&
_gasTank.CanConnectToInternals(gasTank))
{
return gasTank;
}
var tanks = new List<GasTankComponent>();
foreach (var hand in _hands.EnumerateHands(component.Owner))
{
if (TryComp(hand.HeldEntity, out gasTank) && _gasTank.CanConnectToInternals(gasTank))
{
tanks.Add(gasTank);
}
}
if (tanks.Count > 0)
{
tanks.Sort((x, y) => y.Air.TotalMoles.CompareTo(x.Air.TotalMoles));
return tanks[0];
}
if (Resolve(component.Owner, ref inventory, false))
{
var enumerator = new InventorySystem.ContainerSlotEnumerator(component.Owner, inventory.TemplateId, _protoManager, _inventory, SlotFlags.POCKET | SlotFlags.BELT);
while (enumerator.MoveNext(out var container))
{
if (TryComp(container.ContainedEntity, out gasTank) && _gasTank.CanConnectToInternals(gasTank))
{
tanks.Add(gasTank);
}
}
if (tanks.Count > 0)
{
tanks.Sort((x, y) => y.Air.TotalMoles.CompareTo(x.Air.TotalMoles));
return tanks[0];
}
}
return null;
}
private readonly record struct ToggleOtherInternalsCompleteEvent(EntityUid User, GasTankComponent Tank)
{
public readonly EntityUid User = User;
public readonly GasTankComponent Tank = Tank;
}
private readonly record struct ToggleOtherInternalsCancelledEvent;
}