using UnityEngine;

namespace Core.Health
{
    /// <summary>
    /// Health change info - stores information about the health change
    /// </summary>
    public struct HealthChangeInfo
    {
        public Damageable damageable;

        public float oldHealth;

        public float newHealth;

        /// <summary>
        /// 是否存在魔法护盾
        /// </summary>
        public bool IsExistShieldWall { get; set; }

        /// <summary>
        /// 魔法护盾最大生命值
        /// </summary>
        public float ShieldWallMaxHealth;

        /// <summary>
        /// 魔法护盾当前生命值
        /// </summary>
        public float ShieldWallCurrentHealth;

        /// <summary>
        /// 上一次的魔法护盾生命值
        /// </summary>
        public float ShieldWallOldHealth;

        /// <summary>
        /// 用于标注是由哪个种类的Tower造成的伤害.
        /// </summary>
        public int attributeId;

        public IAlignmentProvider damageAlignment;

        public float healthDifference
        {
            get { return newHealth - oldHealth; }
        }

        public float absHealthDifference
        {
            get { return Mathf.Abs(healthDifference); }
        }

        public float ShieldWallHealthDifference
        {
            get { return ShieldWallCurrentHealth - ShieldWallOldHealth; }
        }

        public float AbsShieldWallHealthDifference
        {
            get { return Mathf.Abs(ShieldWallHealthDifference); }
        }
    }
}