using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

namespace zzwater
{
    public class URPHelper
    {
        public static ScriptableRendererFeature FindAndCacheRendererFeature(string name)
        {
            // 获取当前 URP 资产
            var urpAsset = (UniversalRenderPipelineAsset)GraphicsSettings.currentRenderPipeline;

            // 使用反射获取 rendererData (因为它通常是私有的)
            System.Reflection.FieldInfo propertyInfo = urpAsset.GetType().GetField("m_RendererDataList", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
            if (propertyInfo != null)
            {
                ScriptableRendererData[] rendererDataList = (ScriptableRendererData[])propertyInfo.GetValue(urpAsset);
                if (rendererDataList.Length > 0)
                {
                    var rendererData = rendererDataList[0]; // 获取第一个渲染器数据，你可能需要调整此逻辑

                    // 查找指定名称的 FullScreenPassRendererFeature
                    foreach (var feature in rendererData.rendererFeatures)
                    {
                        if (feature.name == name)
                        {
                            return feature;
                        }
                    }
                }
            }
            return null;
        }

        public static void RendererFeatureSetActive(bool active, string name)
        {
            FindAndCacheRendererFeature(name)?.SetActive(active);
        }
    }
}