gistfile1.txt

  class EffectList
    {
        class EffectTimer
        {
            public EffectType type;
            public float timer;
        };

        private List<EffectTimer> effects;

        public EffectList()
        {
            effects = new List<EffectTimer>();
        }

        public void update(float dt)
        {
            foreach (EffectTimer effect in effects)
                effect.timer -= dt;

            effects.RemoveAll(effect => effect.timer < 0.0f);
        }

        public void Clear()
        {
            effects.Clear();
        }

        public void addEffect(EffectType type, float seconds)
        {
               
            foreach(EffectTimer leffect in effects)
            {
                if (leffect.type == type && leffect.timer < seconds)
                {
                    leffect.timer = seconds;
                    return;
                }
            }

            EffectTimer effect = new EffectTimer();
            effect.type = type;
            effect.timer = seconds;
            effects.Add(effect);
        }

        public bool hasEffect(EffectType type)
        {
            EffectTimer result = effects.Find(effect => effect.type == type);
            return result != null;
        }
    }