namespace Yw.WpfUI.Hydro
{
    /// <summary>
    /// 抽象状态辅助类
    /// </summary>
    internal class LogicalStateHelper
    {
        //缓存
        private readonly Dictionary<VisualL3d, eLogicalState> _cache = new();

        /// <summary>
        /// 获取状态
        /// </summary>
        public eLogicalState GetState(VisualL3d visual)
        {
            if (visual == null)
            {
                return eLogicalState.Normal;
            }
            if (!_cache.ContainsKey(visual))
            {
                return eLogicalState.Normal;
            }
            return _cache[visual];
        }

        /// <summary>
        /// 设置状态
        /// </summary>
        public void SetState(VisualL3d visual, eLogicalState state)
        {
            if (visual == null)
            {
                return;
            }
            _cache[visual] = state;
        }

        /// <summary>
        /// 加载状态
        /// </summary>
        public void LoadState(VisualL3d visual, eLogicalState state)
        {
            var origin = GetState(visual);
            _cache[visual] = origin | state;
        }

        /// <summary>
        /// 卸载状态
        /// </summary>
        public void UnloadState(VisualL3d visual, eLogicalState state)
        {
            var origin = GetState(visual);
            _cache[visual] = origin ^ state;
        }




    }
}