Files
tbd-station-14/Content.Server/Disposal/Unit/EntitySystems/DisposalUnitSystem.cs
2022-09-14 17:26:26 +10:00

737 lines
29 KiB
C#

using System.Linq;
using System.Threading;
using Content.Server.Atmos.EntitySystems;
using Content.Server.Disposal.Tube.Components;
using Content.Server.Disposal.Unit.Components;
using Content.Server.DoAfter;
using Content.Server.Hands.Components;
using Content.Server.Popups;
using Content.Server.Power.Components;
using Content.Shared.ActionBlocker;
using Content.Shared.Atmos;
using Content.Shared.Construction.Components;
using Content.Shared.Destructible;
using Content.Shared.Disposal;
using Content.Shared.Disposal.Components;
using Content.Shared.DragDrop;
using Content.Shared.Hands.Components;
using Content.Shared.Hands.EntitySystems;
using Content.Shared.Interaction;
using Content.Shared.Item;
using Content.Shared.Movement.Events;
using Content.Shared.Popups;
using Content.Shared.Throwing;
using Content.Shared.Verbs;
using Robust.Server.GameObjects;
using Robust.Shared.Audio;
using Robust.Shared.Containers;
using Robust.Shared.Map;
using Robust.Shared.Physics.Components;
using Robust.Shared.Player;
using Robust.Shared.Random;
namespace Content.Server.Disposal.Unit.EntitySystems
{
public sealed class DisposalUnitSystem : SharedDisposalUnitSystem
{
[Dependency] private readonly IRobustRandom _robustRandom = default!;
[Dependency] private readonly ActionBlockerSystem _actionBlockerSystem = default!;
[Dependency] private readonly AppearanceSystem _appearance = default!;
[Dependency] private readonly AtmosphereSystem _atmosSystem = default!;
[Dependency] private readonly AudioSystem _audio = default!;
[Dependency] private readonly DoAfterSystem _doAfterSystem = default!;
[Dependency] private readonly EntityLookupSystem _lookup = default!;
[Dependency] private readonly PopupSystem _popupSystem = default!;
[Dependency] private readonly SharedContainerSystem _containerSystem = default!;
[Dependency] private readonly SharedHandsSystem _handsSystem = default!;
[Dependency] private readonly TransformSystem _transformSystem = default!;
[Dependency] private readonly UserInterfaceSystem _ui = default!;
public override void Initialize()
{
base.Initialize();
// Shouldn't need re-anchoring.
SubscribeLocalEvent<DisposalUnitComponent, AnchorStateChangedEvent>(OnAnchorChanged);
// TODO: Predict me when hands predicted
SubscribeLocalEvent<DisposalUnitComponent, ContainerRelayMovementEntityEvent>(HandleMovement);
SubscribeLocalEvent<DisposalUnitComponent, PowerChangedEvent>(HandlePowerChange);
// Component lifetime
SubscribeLocalEvent<DisposalUnitComponent, ComponentInit>(HandleDisposalInit);
SubscribeLocalEvent<DisposalUnitComponent, ComponentRemove>(HandleDisposalRemove);
SubscribeLocalEvent<DisposalUnitComponent, ThrowHitByEvent>(HandleThrowCollide);
// Interactions
SubscribeLocalEvent<DisposalUnitComponent, ActivateInWorldEvent>(HandleActivate);
SubscribeLocalEvent<DisposalUnitComponent, AfterInteractUsingEvent>(HandleAfterInteractUsing);
SubscribeLocalEvent<DisposalUnitComponent, DragDropEvent>(HandleDragDropOn);
SubscribeLocalEvent<DisposalUnitComponent, DestructionEventArgs>(HandleDestruction);
// Verbs
SubscribeLocalEvent<DisposalUnitComponent, GetVerbsEvent<InteractionVerb>>(AddInsertVerb);
SubscribeLocalEvent<DisposalUnitComponent, GetVerbsEvent<AlternativeVerb>>(AddDisposalAltVerbs);
SubscribeLocalEvent<DisposalUnitComponent, GetVerbsEvent<Verb>>(AddClimbInsideVerb);
// Units
SubscribeLocalEvent<DoInsertDisposalUnitEvent>(DoInsertDisposalUnit);
//UI
SubscribeLocalEvent<DisposalUnitComponent, SharedDisposalUnitComponent.UiButtonPressedMessage>(OnUiButtonPressed);
}
private void AddDisposalAltVerbs(EntityUid uid, DisposalUnitComponent component, GetVerbsEvent<AlternativeVerb> args)
{
if (!args.CanAccess || !args.CanInteract)
return;
// Behavior for if the disposals bin has items in it
if (component.Container.ContainedEntities.Count > 0)
{
// Verbs to flush the unit
AlternativeVerb flushVerb = new();
flushVerb.Act = () => Engage(component);
flushVerb.Text = Loc.GetString("disposal-flush-verb-get-data-text");
flushVerb.IconTexture = "/Textures/Interface/VerbIcons/delete_transparent.svg.192dpi.png";
flushVerb.Priority = 1;
args.Verbs.Add(flushVerb);
// Verb to eject the contents
AlternativeVerb ejectVerb = new()
{
Act = () => TryEjectContents(component),
Category = VerbCategory.Eject,
Text = Loc.GetString("disposal-eject-verb-get-data-text")
};
args.Verbs.Add(ejectVerb);
}
}
private void AddClimbInsideVerb(EntityUid uid, DisposalUnitComponent component, GetVerbsEvent<Verb> args)
{
// This is not an interaction, activation, or alternative verb type because unfortunately most users are
// unwilling to accept that this is where they belong and don't want to accidentally climb inside.
if (!component.MobsCanEnter ||
!args.CanAccess ||
!args.CanInteract ||
component.Container.ContainedEntities.Contains(args.User) ||
!_actionBlockerSystem.CanMove(args.User))
return;
// Add verb to climb inside of the unit,
Verb verb = new()
{
Act = () => TryInsert(component.Owner, args.User, args.User),
Text = Loc.GetString("disposal-self-insert-verb-get-data-text")
};
// TODO VERN ICON
// TODO VERB CATEGORY
// create a verb category for "enter"?
// See also, medical scanner. Also maybe add verbs for entering lockers/body bags?
args.Verbs.Add(verb);
}
private void AddInsertVerb(EntityUid uid, DisposalUnitComponent component, GetVerbsEvent<InteractionVerb> args)
{
if (!args.CanAccess || !args.CanInteract || args.Hands == null || args.Using == null)
return;
if (!_actionBlockerSystem.CanDrop(args.User))
return;
if (!CanInsert(component, args.Using.Value))
return;
InteractionVerb insertVerb = new()
{
Text = Name(args.Using.Value),
Category = VerbCategory.Insert,
Act = () =>
{
_handsSystem.TryDropIntoContainer(args.User, args.Using.Value, component.Container, checkActionBlocker: false, args.Hands);
AfterInsert(component, args.Using.Value);
}
};
args.Verbs.Add(insertVerb);
}
private void DoInsertDisposalUnit(DoInsertDisposalUnitEvent ev)
{
var toInsert = ev.ToInsert;
if (!EntityManager.TryGetComponent(ev.Unit, out DisposalUnitComponent? unit))
{
return;
}
if (unit.Container.Insert(toInsert))
AfterInsert(unit, toInsert);
}
public void DoInsertDisposalUnit(EntityUid unit, EntityUid toInsert, DisposalUnitComponent? disposal = null)
{
if (!Resolve(unit, ref disposal))
return;
if (!disposal.Container.Insert(toInsert))
return;
AfterInsert(disposal, toInsert);
}
public override void Update(float frameTime)
{
base.Update(frameTime);
foreach (var (_, comp) in EntityQuery<ActiveDisposalUnitComponent, DisposalUnitComponent>())
{
if (!Update(comp, frameTime))
continue;
RemComp<ActiveDisposalUnitComponent>(comp.Owner);
}
}
#region UI Handlers
private void OnUiButtonPressed(EntityUid uid, DisposalUnitComponent component, SharedDisposalUnitComponent.UiButtonPressedMessage args)
{
if (args.Session.AttachedEntity is not {Valid: true} player)
{
return;
}
switch (args.Button)
{
case SharedDisposalUnitComponent.UiButton.Eject:
TryEjectContents(component);
break;
case SharedDisposalUnitComponent.UiButton.Engage:
ToggleEngage(component);
break;
case SharedDisposalUnitComponent.UiButton.Power:
TogglePower(component);
_audio.PlayPvs(new SoundPathSpecifier("/Audio/Machines/machine_switch.ogg"), component.Owner,
AudioParams.Default.WithVolume(-2f));
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public void ToggleEngage(DisposalUnitComponent component)
{
component.Engaged ^= true;
if (component.Engaged)
{
Engage(component);
}
else
{
Disengage(component);
}
}
public void TogglePower(DisposalUnitComponent component)
{
if (!EntityManager.TryGetComponent(component.Owner, out ApcPowerReceiverComponent? receiver))
{
return;
}
receiver.PowerDisabled = !receiver.PowerDisabled;
UpdateInterface(component, receiver.Powered);
}
#endregion
#region Eventbus Handlers
private void HandleActivate(EntityUid uid, DisposalUnitComponent component, ActivateInWorldEvent args)
{
if (!EntityManager.TryGetComponent(args.User, out ActorComponent? actor))
{
return;
}
args.Handled = true;
_ui.TryOpen(component.Owner, SharedDisposalUnitComponent.DisposalUnitUiKey.Key, actor.PlayerSession);
}
private void HandleAfterInteractUsing(EntityUid uid, DisposalUnitComponent component, AfterInteractUsingEvent args)
{
if (args.Handled || !args.CanReach)
return;
if (!EntityManager.HasComponent<HandsComponent>(args.User))
{
return;
}
if (!CanInsert(component, args.Used) || !_handsSystem.TryDropIntoContainer(args.User, args.Used, component.Container))
{
return;
}
AfterInsert(component, args.Used);
args.Handled = true;
}
/// <summary>
/// Thrown items have a chance of bouncing off the unit and not going in.
/// </summary>
private void HandleThrowCollide(EntityUid uid, DisposalUnitComponent component, ThrowHitByEvent args)
{
if (!CanInsert(component, args.Thrown) ||
_robustRandom.NextDouble() > 0.75 ||
!component.Container.Insert(args.Thrown))
{
return;
}
AfterInsert(component, args.Thrown);
}
private void HandleDisposalInit(EntityUid uid, DisposalUnitComponent component, ComponentInit args)
{
component.Container = _containerSystem.EnsureContainer<Container>(uid, SharedDisposalUnitComponent.ContainerId);
UpdateInterface(component, component.Powered);
if (!EntityManager.HasComponent<AnchorableComponent>(component.Owner))
{
Logger.WarningS("VitalComponentMissing", $"Disposal unit {uid} is missing an {nameof(AnchorableComponent)}");
}
}
private void HandleDisposalRemove(EntityUid uid, DisposalUnitComponent component, ComponentRemove args)
{
foreach (var entity in component.Container.ContainedEntities.ToArray())
{
component.Container.ForceRemove(entity);
}
_ui.TryCloseAll(component.Owner, SharedDisposalUnitComponent.DisposalUnitUiKey.Key);
component.AutomaticEngageToken?.Cancel();
component.AutomaticEngageToken = null;
component.Container = null!;
RemComp<ActiveDisposalUnitComponent>(uid);
}
private void HandlePowerChange(EntityUid uid, DisposalUnitComponent component, PowerChangedEvent args)
{
if (!component.Running)
return;
component.Powered = args.Powered;
// TODO: Need to check the other stuff.
if (!args.Powered)
{
component.AutomaticEngageToken?.Cancel();
component.AutomaticEngageToken = null;
}
HandleStateChange(component, args.Powered && component.State == SharedDisposalUnitComponent.PressureState.Pressurizing);
UpdateVisualState(component);
UpdateInterface(component, args.Powered);
if (component.Engaged && !TryFlush(component))
{
TryQueueEngage(component);
}
}
/// <summary>
/// Add or remove this disposal from the active ones for updating.
/// </summary>
public void HandleStateChange(DisposalUnitComponent component, bool active)
{
if (active)
{
EnsureComp<ActiveDisposalUnitComponent>(component.Owner);
}
else
{
RemComp<ActiveDisposalUnitComponent>(component.Owner);
}
}
private void HandleMovement(EntityUid uid, DisposalUnitComponent component, ref ContainerRelayMovementEntityEvent args)
{
var currentTime = GameTiming.CurTime;
if (!EntityManager.TryGetComponent(args.Entity, out HandsComponent? hands) ||
hands.Count == 0 ||
currentTime < component.LastExitAttempt + ExitAttemptDelay)
{
return;
}
component.LastExitAttempt = currentTime;
Remove(component, args.Entity);
}
private void OnAnchorChanged(EntityUid uid, DisposalUnitComponent component, ref AnchorStateChangedEvent args)
{
UpdateVisualState(component);
if (!args.Anchored)
TryEjectContents(component);
}
private void HandleDestruction(EntityUid uid, DisposalUnitComponent component, DestructionEventArgs args)
{
TryEjectContents(component);
}
private void HandleDragDropOn(EntityUid uid, DisposalUnitComponent component, DragDropEvent args)
{
args.Handled = TryInsert(component.Owner, args.Dragged, args.User);
}
#endregion
/// <summary>
/// Work out if we can stop updating this disposals component i.e. full pressure and nothing colliding.
/// </summary>
private bool Update(DisposalUnitComponent component, float frameTime)
{
var oldPressure = component.Pressure;
component.Pressure = MathF.Min(1.0f, component.Pressure + PressurePerSecond * frameTime);
component.State = component.Pressure >= 1 ? SharedDisposalUnitComponent.PressureState.Ready : SharedDisposalUnitComponent.PressureState.Pressurizing;
var state = component.State;
if (oldPressure < 1 && state == SharedDisposalUnitComponent.PressureState.Ready)
{
UpdateVisualState(component);
UpdateInterface(component, component.Powered);
if (component.Engaged)
{
TryFlush(component);
state = component.State;
}
}
Box2? disposalsBounds = null;
var count = component.RecentlyEjected.Count;
if (count > 0)
{
if (!EntityManager.TryGetComponent(component.Owner, out PhysicsComponent? disposalsBody))
{
component.RecentlyEjected.Clear();
}
else
{
disposalsBounds = _lookup.GetWorldAABB(disposalsBody.Owner);
}
}
for (var i = component.RecentlyEjected.Count - 1; i >= 0; i--)
{
var uid = component.RecentlyEjected[i];
if (EntityManager.EntityExists(uid) &&
EntityManager.TryGetComponent(uid, out PhysicsComponent? body))
{
// TODO: We need to use a specific collision method (which sloth hasn't coded yet) for actual bounds overlaps.
// Check for itemcomp as we won't just block the disposal unit "sleeping" for something it can't collide with anyway.
if (!EntityManager.HasComponent<ItemComponent>(uid) && _lookup.GetWorldAABB(body.Owner).Intersects(disposalsBounds!.Value)) continue;
component.RecentlyEjected.RemoveAt(i);
}
}
if (count != component.RecentlyEjected.Count)
Dirty(component);
return state == SharedDisposalUnitComponent.PressureState.Ready && component.RecentlyEjected.Count == 0;
}
public bool TryInsert(EntityUid unitId, EntityUid toInsertId, EntityUid? userId, DisposalUnitComponent? unit = null)
{
if (!Resolve(unitId, ref unit))
return false;
if (userId.HasValue && !HasComp<SharedHandsComponent>(userId) && toInsertId != userId) // Mobs like mouse can Jump inside even with no hands
{
_popupSystem.PopupEntity(Loc.GetString("disposal-unit-no-hands"), userId.Value, Filter.Entities(userId.Value), PopupType.SmallCaution);
return false;
}
if (!CanInsert(unit, toInsertId))
return false;
var delay = userId == toInsertId ? unit.EntryDelay : unit.DraggedEntryDelay;
var ev = new DoInsertDisposalUnitEvent(userId, toInsertId, unitId);
if (delay <= 0 || userId == null)
{
DoInsertDisposalUnit(ev);
return true;
}
// Can't check if our target AND disposals moves currently so we'll just check target.
// if you really want to check if disposals moves then add a predicate.
var doAfterArgs = new DoAfterEventArgs(userId.Value, delay, default, toInsertId)
{
BreakOnDamage = true,
BreakOnStun = true,
BreakOnTargetMove = true,
BreakOnUserMove = true,
NeedHand = false,
BroadcastFinishedEvent = ev
};
_doAfterSystem.DoAfter(doAfterArgs);
return true;
}
public bool TryFlush(DisposalUnitComponent component)
{
if (component.Deleted || !CanFlush(component))
{
return false;
}
//Allows the MailingUnitSystem to add tags or prevent flushing
var beforeFlushArgs = new BeforeDisposalFlushEvent();
RaiseLocalEvent(component.Owner, beforeFlushArgs);
if (beforeFlushArgs.Cancelled)
{
Disengage(component);
return false;
}
var xform = Transform(component.Owner);
if (!TryComp(xform.GridUid, out IMapGridComponent? grid))
return false;
var coords = xform.Coordinates;
var entry = grid.Grid.GetLocal(coords)
.FirstOrDefault(entity => EntityManager.HasComponent<DisposalEntryComponent>(entity));
if (entry == default)
{
return false;
}
var air = component.Air;
var entryComponent = EntityManager.GetComponent<DisposalEntryComponent>(entry);
var indices = _transformSystem.GetGridOrMapTilePosition(component.Owner, xform);
if (_atmosSystem.GetTileMixture(xform.GridUid, xform.MapUid, indices, true) is {Temperature: > 0} environment)
{
var transferMoles = 0.1f * (0.25f * Atmospherics.OneAtmosphere * 1.01f - air.Pressure) * air.Volume / (environment.Temperature * Atmospherics.R);
component.Air = environment.Remove(transferMoles);
}
entryComponent.TryInsert(component, beforeFlushArgs.Tags);
component.AutomaticEngageToken?.Cancel();
component.AutomaticEngageToken = null;
component.Pressure = 0;
component.State = component.Pressure >= 1 ? SharedDisposalUnitComponent.PressureState.Ready : SharedDisposalUnitComponent.PressureState.Pressurizing;
component.Engaged = false;
HandleStateChange(component, true);
UpdateVisualState(component, true);
UpdateInterface(component, component.Powered);
return true;
}
public void UpdateInterface(DisposalUnitComponent component, bool powered)
{
var stateString = Loc.GetString($"{component.State}");
var state = new SharedDisposalUnitComponent.DisposalUnitBoundUserInterfaceState(Name(component.Owner), stateString, EstimatedFullPressure(component), powered, component.Engaged);
_ui.TrySetUiState(component.Owner, SharedDisposalUnitComponent.DisposalUnitUiKey.Key, state);
var stateUpdatedEvent = new DisposalUnitUIStateUpdatedEvent(state);
RaiseLocalEvent(component.Owner, stateUpdatedEvent);
}
private TimeSpan EstimatedFullPressure(DisposalUnitComponent component)
{
if (component.State == SharedDisposalUnitComponent.PressureState.Ready) return TimeSpan.Zero;
var currentTime = GameTiming.CurTime;
var pressure = component.Pressure;
return TimeSpan.FromSeconds(currentTime.TotalSeconds + (1.0f - pressure) / PressurePerSecond);
}
public void UpdateVisualState(DisposalUnitComponent component)
{
UpdateVisualState(component, false);
}
public void UpdateVisualState(DisposalUnitComponent component, bool flush)
{
if (!EntityManager.TryGetComponent(component.Owner, out AppearanceComponent? appearance))
{
return;
}
if (!EntityManager.GetComponent<TransformComponent>(component.Owner).Anchored)
{
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.VisualState, SharedDisposalUnitComponent.VisualState.UnAnchored, appearance);
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Handle, SharedDisposalUnitComponent.HandleState.Normal, appearance);
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Light, SharedDisposalUnitComponent.LightState.Off, appearance);
return;
}
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.VisualState, component.Pressure < 1 ? SharedDisposalUnitComponent.VisualState.Charging : SharedDisposalUnitComponent.VisualState.Anchored, appearance);
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Handle, component.Engaged
? SharedDisposalUnitComponent.HandleState.Engaged
: SharedDisposalUnitComponent.HandleState.Normal, appearance);
if (!component.Powered)
{
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Light, SharedDisposalUnitComponent.LightState.Off, appearance);
return;
}
if (flush)
{
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.VisualState, SharedDisposalUnitComponent.VisualState.Flushing, appearance);
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Light, SharedDisposalUnitComponent.LightState.Off, appearance);
return;
}
if (component.Container.ContainedEntities.Count > 0)
{
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Light, SharedDisposalUnitComponent.LightState.Full, appearance);
return;
}
_appearance.SetData(component.Owner, SharedDisposalUnitComponent.Visuals.Light, component.Pressure < 1
? SharedDisposalUnitComponent.LightState.Charging
: SharedDisposalUnitComponent.LightState.Ready, appearance);
}
public void Remove(DisposalUnitComponent component, EntityUid entity)
{
component.Container.Remove(entity);
if (component.Container.ContainedEntities.Count == 0)
{
component.AutomaticEngageToken?.Cancel();
component.AutomaticEngageToken = null;
}
if (!component.RecentlyEjected.Contains(entity))
component.RecentlyEjected.Add(entity);
Dirty(component);
HandleStateChange(component, true);
UpdateVisualState(component);
}
public bool CanFlush(DisposalUnitComponent component)
{
return component.State == SharedDisposalUnitComponent.PressureState.Ready && component.Powered && EntityManager.GetComponent<TransformComponent>(component.Owner).Anchored;
}
public void Engage(DisposalUnitComponent component)
{
component.Engaged = true;
UpdateVisualState(component);
UpdateInterface(component, component.Powered);
if (CanFlush(component))
{
component.Owner.SpawnTimer(component.FlushDelay, () => TryFlush(component));
}
}
public void Disengage(DisposalUnitComponent component)
{
component.Engaged = false;
UpdateVisualState(component);
UpdateInterface(component, component.Powered);
}
/// <summary>
/// Remove all entities currently in the disposal unit.
/// </summary>
public void TryEjectContents(DisposalUnitComponent component)
{
foreach (var entity in component.Container.ContainedEntities.ToArray())
{
Remove(component, entity);
}
}
public override bool CanInsert(SharedDisposalUnitComponent component, EntityUid entity)
{
if (!base.CanInsert(component, entity) || component is not DisposalUnitComponent serverComp)
return false;
return serverComp.Container.CanInsert(entity);
}
/// <summary>
/// If something is inserted (or the likes) then we'll queue up a flush in the future.
/// </summary>
public void TryQueueEngage(DisposalUnitComponent component)
{
if (component.Deleted || !component.AutomaticEngage || !component.Powered && component.Container.ContainedEntities.Count == 0)
{
return;
}
component.AutomaticEngageToken = new CancellationTokenSource();
component.Owner.SpawnTimer(component.AutomaticEngageTime, () =>
{
if (!TryFlush(component))
{
TryQueueEngage(component);
}
}, component.AutomaticEngageToken.Token);
}
public void AfterInsert(DisposalUnitComponent component, EntityUid entity)
{
TryQueueEngage(component);
if (EntityManager.TryGetComponent(entity, out ActorComponent? actor))
{
_ui.TryClose(component.Owner, SharedDisposalUnitComponent.DisposalUnitUiKey.Key, actor.PlayerSession);
}
UpdateVisualState(component);
}
}
/// <summary>
/// Sent before the disposal unit flushes it's contents.
/// Allows adding tags for sorting and preventing the disposal unit from flushing.
/// </summary>
public sealed class DisposalUnitUIStateUpdatedEvent : EntityEventArgs
{
public SharedDisposalUnitComponent.DisposalUnitBoundUserInterfaceState State;
public DisposalUnitUIStateUpdatedEvent(SharedDisposalUnitComponent.DisposalUnitBoundUserInterfaceState state)
{
State = state;
}
}
/// <summary>
/// Sent before the disposal unit flushes it's contents.
/// Allows adding tags for sorting and preventing the disposal unit from flushing.
/// </summary>
public sealed class BeforeDisposalFlushEvent : CancellableEntityEventArgs
{
public readonly List<string> Tags = new();
}
}