space-station-14/Content.Server/Humanoid/Systems/RandomHumanoidAppearanceSystem.cs

using Content.Server.Humanoid.Components;
using Content.Shared.Body;
using Content.Shared.Humanoid;
using Content.Shared.Preferences;

namespace Content.Server.Humanoid.Systems;

public sealed class RandomHumanoidAppearanceSystem : EntitySystem
{
    [Dependency] private readonly HumanoidProfileSystem _humanoidProfile = default!;
    [Dependency] private readonly MetaDataSystem _metaData = default!;
    [Dependency] private readonly SharedVisualBodySystem _visualBody = default!;

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

        SubscribeLocalEvent<RandomHumanoidAppearanceComponent, MapInitEvent>(OnMapInit);
    }

    private void OnMapInit(EntityUid uid, RandomHumanoidAppearanceComponent component, MapInitEvent args)
    {
        // If we have an initial profile/base layer set, do not randomize this humanoid.
        if (!TryComp<HumanoidProfileComponent>(uid, out var humanoid))
            return;

        var profile = HumanoidCharacterProfile.RandomWithSpecies(humanoid.Species);

        _visualBody.ApplyProfileTo(uid, profile);
        _humanoidProfile.ApplyProfileTo(uid, profile);

        if (component.RandomizeName)
            _metaData.SetEntityName(uid, profile.Name);
    }
}