73 lines
2.2 KiB
C#
73 lines
2.2 KiB
C#
using System.Linq;
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using Content.Shared.DeviceNetwork.Components;
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namespace Content.Shared.DeviceNetwork.Systems;
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public abstract class SharedDeviceListSystem : EntitySystem
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{
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/// <summary>
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/// Updates the device list stored on this entity.
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/// </summary>
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/// <param name="uid">The entity to update.</param>
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/// <param name="devices">The devices to store.</param>
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/// <param name="merge">Whether to merge or replace the devices stored.</param>
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/// <param name="deviceList">Device list component</param>
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public DeviceListUpdateResult UpdateDeviceList(EntityUid uid, IEnumerable<EntityUid> devices, bool merge = false, DeviceListComponent? deviceList = null)
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{
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if (!Resolve(uid, ref deviceList))
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return DeviceListUpdateResult.NoComponent;
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var oldDevices = deviceList.Devices.ToList();
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var newDevices = merge ? new HashSet<EntityUid>(deviceList.Devices) : new();
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var devicesList = devices.ToList();
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newDevices.UnionWith(devicesList);
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if (newDevices.Count > deviceList.DeviceLimit)
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{
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return DeviceListUpdateResult.TooManyDevices;
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}
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deviceList.Devices = newDevices;
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UpdateShutdownSubscription(uid, devicesList, oldDevices);
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RaiseLocalEvent(uid, new DeviceListUpdateEvent(oldDevices, devicesList));
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Dirty(deviceList);
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return DeviceListUpdateResult.UpdateOk;
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}
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public IEnumerable<EntityUid> GetAllDevices(EntityUid uid, DeviceListComponent? component = null)
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{
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if (!Resolve(uid, ref component))
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{
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return new EntityUid[] { };
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}
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return component.Devices;
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}
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protected virtual void UpdateShutdownSubscription(EntityUid uid, List<EntityUid> devicesList, List<EntityUid> oldDevices)
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{
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}
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}
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public sealed class DeviceListUpdateEvent : EntityEventArgs
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{
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public DeviceListUpdateEvent(List<EntityUid> oldDevices, List<EntityUid> devices)
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{
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OldDevices = oldDevices;
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Devices = devices;
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}
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public List<EntityUid> OldDevices { get; }
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public List<EntityUid> Devices { get; }
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}
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public enum DeviceListUpdateResult : byte
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{
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NoComponent,
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TooManyDevices,
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UpdateOk
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}
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