OldThink/Content.Server/_White/CustomGhostSpriteSystem/CustomGhostSpriteSystem.cs

using Content.Shared.Ghost;
using Content.Shared._White.CustomGhostSystem;
using Robust.Server.Player;
using Robust.Shared.Player;
using Robust.Shared.Prototypes;

namespace Content.Server._White.CustomGhostSpriteSystem;

public sealed class CustomGhostSpriteSystem : EntitySystem
{
    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
    [Dependency] private readonly SharedAppearanceSystem _appearanceSystem = default!;
    [Dependency] private readonly IPlayerManager _playerManager = default!;
    [Dependency] private readonly MetaDataSystem _metaData = default!;


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

        SubscribeLocalEvent<GhostComponent, PlayerAttachedEvent>(OnShit);
    }

    private void OnShit(EntityUid uid, GhostComponent component, PlayerAttachedEvent args)
    {
        if (!_playerManager.TryGetSessionByEntity(uid, out var session))
            return;

        TrySetCustomSprite(uid, session.Name);
    }


    public void TrySetCustomSprite(EntityUid ghostUid, string ckey)
    {
        var prototypes = _prototypeManager.EnumeratePrototypes<CustomGhostPrototype>();

        foreach (var customGhostPrototype in prototypes)
        {
            if (!string.Equals(customGhostPrototype.Ckey, ckey, StringComparison.CurrentCultureIgnoreCase))
                continue;

            _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.Sprite, customGhostPrototype.CustomSpritePath.ToString());
            _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.SizeOverride, customGhostPrototype.SizeOverride);

            if (customGhostPrototype.AlphaOverride > 0)
                _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.AlphaOverride, customGhostPrototype.AlphaOverride);

            if (customGhostPrototype.GhostName != string.Empty)
                _metaData.SetEntityName(ghostUid, customGhostPrototype.GhostName ?? "null");

            if (customGhostPrototype.GhostDescription != string.Empty)
                _metaData.SetEntityDescription(ghostUid, customGhostPrototype.GhostDescription);

            return;
        }
    }
}