Files
tbd-station-14/Content.Shared/Inventory/InventorySystem.Relay.cs
2023-02-19 04:27:56 +11:00

76 lines
3.1 KiB
C#

using Content.Shared.Damage;
using Content.Shared.Electrocution;
using Content.Shared.Explosion;
using Content.Shared.IdentityManagement.Components;
using Content.Shared.Movement.Systems;
using Content.Shared.Radio;
using Content.Shared.Slippery;
using Content.Shared.Strip.Components;
using Content.Shared.Temperature;
namespace Content.Shared.Inventory;
public partial class InventorySystem
{
public void InitializeRelay()
{
SubscribeLocalEvent<InventoryComponent, DamageModifyEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, ElectrocutionAttemptEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, SlipAttemptEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, RefreshMovementSpeedModifiersEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, GetExplosionResistanceEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, BeforeStripEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, SeeIdentityAttemptEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, ModifyChangedTemperatureEvent>(RelayInventoryEvent);
SubscribeLocalEvent<InventoryComponent, GetDefaultRadioChannelEvent>(RelayInventoryEvent);
}
protected void RelayInventoryEvent<T>(EntityUid uid, InventoryComponent component, T args) where T : EntityEventArgs, IInventoryRelayEvent
{
if (args.TargetSlots == SlotFlags.NONE)
return;
var containerEnumerator = new ContainerSlotEnumerator(uid, component.TemplateId, _prototypeManager, this, args.TargetSlots);
var ev = new InventoryRelayedEvent<T>(args);
while (containerEnumerator.MoveNext(out var container))
{
if (!container.ContainedEntity.HasValue) continue;
RaiseLocalEvent(container.ContainedEntity.Value, ev, false);
}
}
}
/// <summary>
/// Event wrapper for relayed events.
/// </summary>
/// <remarks>
/// This avoids nested inventory relays, and makes it easy to have certain events only handled by the initial
/// target entity. E.g. health based movement speed modifiers should not be handled by a hat, even if that hat
/// happens to be a dead mouse. Clothing that wishes to modify movement speed must subscribe to
/// InventoryRelayedEvent&lt;RefreshMovementSpeedModifiersEvent&gt;
/// </remarks>
public sealed class InventoryRelayedEvent<TEvent> : EntityEventArgs where TEvent : EntityEventArgs, IInventoryRelayEvent
{
public readonly TEvent Args;
public InventoryRelayedEvent(TEvent args)
{
Args = args;
}
}
/// <summary>
/// Events that should be relayed to inventory slots should implement this interface.
/// </summary>
public interface IInventoryRelayEvent
{
/// <summary>
/// What inventory slots should this event be relayed to, if any?
/// </summary>
/// <remarks>
/// In general you may want to exclude <see cref="SlotFlags.POCKET"/>, given that those items are not truly
/// "equipped" by the user.
/// </remarks>
public SlotFlags TargetSlots { get; }
}