CatStation/Content.Shared/Speech/EntitySystems/OwOAccentSystem.cs

using System.Collections.Frozen;
using Content.Shared.Random.Helpers;
using Content.Shared.Speech.Components;
using Robust.Shared.Random;
using Robust.Shared.Timing;

namespace Content.Shared.Speech.EntitySystems;

public sealed partial class OwOAccentSystem : RelayAccentSystem<OwOAccentComponent>
{
    [Dependency] private IGameTiming _timing = default!;
    [Dependency] private IRobustRandom _random = default!;

    private static readonly IReadOnlyList<string> Faces =
    [
        " (•`ω´•)", " ;;w;;", " owo", " UwU", " >w<", " ^w^",
    ];

    private static readonly FrozenDictionary<string, string> SpecialWords =
        new Dictionary<string, string>
        {
            { "you", "wu" },
        }.ToFrozenDictionary();

    public override string Accentuate(string message, Entity<OwOAccentComponent>? ent = null)
    {
        var random = ent.HasValue
            ? SharedRandomExtensions.PredictedRandom(_timing, GetNetEntity(ent.Value))
            : _random;

        foreach (var (word, repl) in SpecialWords)
        {
            message = message.Replace(word, repl);
        }

        return message.Replace("!", random.Pick(Faces))
            .Replace("r", "w")
            .Replace("R", "W")
            .Replace("l", "w")
            .Replace("L", "W");
    }
}