rg1/client/Battle/System/Summon/SummonExistSys.cs

using System;
using System.Collections.Generic;

using Entitas;

namespace CoreGame.Render
{
    public class SummonExistSys : IExecuteSystem
    {
        private CombatContext m_Context;
        private IGroup<CombatEntity> m_SummonGroup;
        private readonly List<CombatEntity> m_CacheEntities = new List<CombatEntity>();

        public SummonExistSys(CombatContext context)
        {
            m_Context = context;
            var matcher = (Matcher<CombatEntity>)Matcher<CombatEntity>.AllOf(CombatComponentsLookup.Summon);
            matcher.componentNames = CombatComponentsLookup.componentNames;
            m_SummonGroup = m_Context.GetGroup(matcher);
        }

        public void Execute(float deltaTime)
        {
            m_SummonGroup.GetEntities(m_CacheEntities);
            foreach (var ent in m_CacheEntities)
            {
                var summon = ent.summon;
                summon.maxExistTime -= deltaTime;
                if (summon.maxExistTime <= 0f)
                {
                    ent.DispatchEvent(ClientEvent.OnEntityBeKill, null);
                }

                switch (summon.survivalType)
                {
                    case SummonSurvivalType.AttackCount:
                        if (summon.survivalParam1 <= 0.1f)
                        {
                            ent.DispatchEvent(ClientEvent.OnEntityBeKill, null);
                        }
                        break;
                    case SummonSurvivalType.DurationTime:
                        summon.survivalParam1 -= deltaTime;
                        if (summon.survivalParam1 <= 0f)
                        {
                            ent.DispatchEvent(ClientEvent.OnEntityBeKill, null);
                        }
                        break;
                    default:
                        throw new ArgumentOutOfRangeException();
                }
            }
        }
    }
}