tbd-station-14/Content.Shared/SprayPainter/SharedDevicePainterSystem.cs

using System.Linq;
using Content.Shared.SprayPainter.Prototypes;
using Robust.Shared.Prototypes;

namespace Content.Shared.SprayPainter;

public abstract class SharedSprayPainterSystem : EntitySystem
{
    [Dependency] protected readonly IPrototypeManager _prototypeManager = default!;

    public List<string> Styles { get; private set; } = new();
    public List<AirlockGroupPrototype> Groups { get; private set; } = new();

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

        SortedSet<string> styles = new();
        foreach (AirlockGroupPrototype grp in _prototypeManager.EnumeratePrototypes<AirlockGroupPrototype>())
        {
            Groups.Add(grp);
            foreach (string style in grp.StylePaths.Keys)
            {
                styles.Add(style);
            }
        }
        Styles = styles.ToList();
    }
}