OldThink/Content.Client/Eye/Blinding/BlindingSystem.cs

using Robust.Client.Graphics;
using Robust.Client.Player;
using Content.Shared.Eye.Blinding.Components;
using Content.Shared.GameTicking;
using Robust.Shared.Player;

namespace Content.Client.Eye.Blinding;

public sealed class BlindingSystem : EntitySystem
{
    [Dependency] private readonly IPlayerManager _player = default!;
    [Dependency] private readonly IOverlayManager _overlayMan = default!;
    [Dependency] private readonly ILightManager _lightManager = default!;

    private BlindOverlay _overlay = default!;

    public override void Initialize()
    {
        base.Initialize();

        SubscribeLocalEvent<BlindableComponent, ComponentInit>(OnBlindInit);
        SubscribeLocalEvent<BlindableComponent, ComponentShutdown>(OnBlindShutdown);

        SubscribeLocalEvent<BlindableComponent, LocalPlayerAttachedEvent>(OnPlayerAttached);
        SubscribeLocalEvent<BlindableComponent, LocalPlayerDetachedEvent>(OnPlayerDetached);

        SubscribeNetworkEvent<RoundRestartCleanupEvent>(RoundRestartCleanup);

        _overlay = new BlindOverlay();
    }

    private void OnPlayerAttached(EntityUid uid, BlindableComponent component, LocalPlayerAttachedEvent args)
    {
        _overlayMan.AddOverlay(_overlay);
    }

    private void OnPlayerDetached(EntityUid uid, BlindableComponent component, LocalPlayerDetachedEvent args)
    {
        _overlayMan.RemoveOverlay(_overlay);
        _lightManager.Enabled = true;
    }

    private void OnBlindInit(EntityUid uid, BlindableComponent component, ComponentInit args)
    {
        if (_player.LocalSession?.AttachedEntity == uid)
            _overlayMan.AddOverlay(_overlay);
    }

    private void OnBlindShutdown(EntityUid uid, BlindableComponent component, ComponentShutdown args)
    {
        if (_player.LocalSession?.AttachedEntity == uid)
        {
            _overlayMan.RemoveOverlay(_overlay);
        }
    }

    private void RoundRestartCleanup(RoundRestartCleanupEvent ev)
    {
        _lightManager.Enabled = true;
    }
}