crystall-punk-14/Content.Shared/Zombies/SharedZombieSystem.cs

using Content.Shared.Movement.Systems;
using Content.Shared.NameModifier.EntitySystems;

namespace Content.Shared.Zombies;

public abstract class SharedZombieSystem : EntitySystem
{
    /// <inheritdoc/>
    public override void Initialize()
    {
        base.Initialize();

        SubscribeLocalEvent<ZombieComponent, RefreshMovementSpeedModifiersEvent>(OnRefreshSpeed);
        SubscribeLocalEvent<ZombieComponent, RefreshNameModifiersEvent>(OnRefreshNameModifiers);
    }

    private void OnRefreshSpeed(EntityUid uid, ZombieComponent component, RefreshMovementSpeedModifiersEvent args)
    {
        var mod = component.ZombieMovementSpeedDebuff;
        args.ModifySpeed(mod, mod);
    }

    private void OnRefreshNameModifiers(Entity<ZombieComponent> entity, ref RefreshNameModifiersEvent args)
    {
        args.AddModifier("zombie-name-prefix");
    }
}