wwdpublic/Content.Server/_Shitcode/Wizard/Systems/GhostVisibilitySystem.cs

// SPDX-FileCopyrightText: 2025 Aiden <28298836+Aidenkrz@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Aidenkrz <aiden@djkraz.com>
// SPDX-FileCopyrightText: 2025 Aviu00 <93730715+Aviu00@users.noreply.github.com>
// SPDX-FileCopyrightText: 2025 Misandry <mary@thughunt.ing>
// SPDX-FileCopyrightText: 2025 gus <august.eymann@gmail.com>
//
// SPDX-License-Identifier: AGPL-3.0-or-later

using Content.Server.Administration.Logs;
using Content.Server.Chat.Managers;
using Content.Server.GameTicking;
using Content.Shared._Shitcode.Wizard;
using Content.Shared._Shitcode.Wizard.EventSpells;
using Content.Shared.Chat;
using Content.Shared.Database;
using Content.Shared.Eye;
using Content.Shared.GameTicking.Components;
using Content.Shared.Ghost;
using Robust.Server.Audio;
using Robust.Server.GameObjects;
using Robust.Server.GameStates;
using Robust.Shared.Player;

namespace Content.Server._Shitcode.Wizard.Systems;

public sealed class GhostVisibilitySystem : SharedGhostVisibilitySystem
{
    [Dependency] private readonly VisibilitySystem _visibilitySystem = default!;
    [Dependency] private readonly AudioSystem _audio = default!;
    [Dependency] private readonly GameTicker _gameTicker = default!;
    [Dependency] private readonly PvsOverrideSystem _pvsOverride = default!;
    [Dependency] private readonly IAdminLogManager _log = default!;
    [Dependency] private readonly IChatManager _chatManager = default!;

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

        SubscribeLocalEvent<SummonGhostsEvent>(OnSummonGhosts);
        SubscribeLocalEvent<GhostsVisibleRuleComponent, GameRuleStartedEvent>(OnRuleStarted);
    }

    private void OnRuleStarted(Entity<GhostsVisibleRuleComponent> ent, ref GameRuleStartedEvent args)
    {
        _pvsOverride.AddGlobalOverride(ent);

        var entityQuery = EntityQueryEnumerator<GhostComponent, VisibilityComponent>();
        while (entityQuery.MoveNext(out var uid, out var ghost, out var vis))
        {
            if (ghost.CanGhostInteract)
                continue;

            _visibilitySystem.AddLayer((uid, vis), (int) VisibilityFlags.Normal, false);
            _visibilitySystem.RemoveLayer((uid, vis), (int) VisibilityFlags.Ghost, false);

            _visibilitySystem.RefreshVisibility(uid, visibilityComponent: vis);
        }
    }

    private void OnSummonGhosts(SummonGhostsEvent ev)
    {
        if (GhostsVisible())
            return;

        _gameTicker.StartGameRule(GameRule);

        var message = Loc.GetString("ghosts-summoned-message");
        var wrappedMessage = Loc.GetString("chat-manager-server-wrap-message", ("message", message));
        _chatManager.ChatMessageToAll(ChatChannel.Radio, message, wrappedMessage, default, false, true, Color.Red);
        _audio.PlayGlobal(ev.Sound, Filter.Broadcast(), true);

        _log.Add(LogType.EventRan, LogImpact.Extreme, $"Ghosts have been summoned via wizard spellbook.");
    }

    public bool IsVisible(GhostComponent component)
    {
        if (!GhostsVisible())
            return false;

        return !component.CanGhostInteract;
    }
}