35 lines
1.4 KiB
C#
35 lines
1.4 KiB
C#
using Content.Server.DeviceNetwork.Components;
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using JetBrains.Annotations;
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using Robust.Shared.GameObjects;
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using Robust.Shared.IoC;
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namespace Content.Server.DeviceNetwork.Systems
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{
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[UsedImplicitly]
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public class WirelessNetworkSystem : EntitySystem
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{
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public override void Initialize()
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{
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base.Initialize();
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SubscribeLocalEvent<WirelessNetworkComponent, BeforePacketSentEvent>(OnBeforePacketSent);
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}
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/// <summary>
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/// Gets the position of both the sending and receiving entity and checks if the receiver is in range of the sender.
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/// </summary>
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private void OnBeforePacketSent(EntityUid uid, WirelessNetworkComponent component, BeforePacketSentEvent args)
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{
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var sender = EntityManager.GetEntity(args.Sender);
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var ownPosition = IoCManager.Resolve<IEntityManager>().GetComponent<TransformComponent>(component.Owner.Uid).WorldPosition;
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var position = IoCManager.Resolve<IEntityManager>().GetComponent<TransformComponent>(sender.Uid).WorldPosition;
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var distance = (ownPosition - position).Length;
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if(IoCManager.Resolve<IEntityManager>().TryGetComponent<WirelessNetworkComponent?>(sender.Uid, out var sendingComponent) && distance > sendingComponent.Range)
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{
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args.Cancel();
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}
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}
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}
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}
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