using CoreGame;
using Proto;

namespace CoreGame.Render
{
    public class Trigger_OnLossHp : TriggerBase
    {
        // self.param1 为计数，
        // 若 triggerCfg.Param2 不为0，每损失百分比的生命值触发
        // 否则，损失百分比生命值触发一次后每次损失生命值都会触发
        public override void OnEvent(TriggerSpec self, int eventId, object param1)
        {
            if (self.param1.intVal <= 0)
                self.param1.intVal = 1;

            if (OnTrigger(self, eventId, param1))
            {
                if (triggerCfg.param2 != 0) //计数
                {
                    self.param1.intVal += 1;
                }
            }
        }

        public override bool OnPreExecuteCheck(TriggerSpec self, int eventId, object param1)
        {
            var rate = 1f - triggerCfg.param1 / 100f * self.param1.intVal ;
            var prop = self.owner.property;
            if (prop == null)
                return false;
            var curHp = prop.GetProperty_Long(PropertyDef.CurHp);
            var maxHp = prop.TotalHp;

            return (float)curHp / maxHp < rate;
        }

        public override void Init(TriggerSpec self)
        {
            RegEntityEvent(self, ClientEvent.OnLossHp);
        }

        public override void UnInit(TriggerSpec self)
        {
            UnRegEntityEvent(self, ClientEvent.OnLossHp);
        }
    }
}