using UnityEngine;
using UnityEngine.Rendering.Universal;

namespace BF
{
    public class URPManager : ManagerBase
    {
        static URPManager instance;
        public static URPManager Create()
        {
            BFLog.LogAssert(instance == null, "This method only allows BFMain to call once");
            instance = new URPManager();
            return instance;
        }
        URPManager() { }

        public override void Init()
        {
            base.Init();
        }

        public override void Destroy()
        {
            base.Destroy();
            instance = null;
        }

        // URP新增叠加相机
        public void URPAddAdditionalCamera(Camera mainCamera, Camera additionalCamera)
        {
            var cameraData = mainCamera.GetUniversalAdditionalCameraData();
            cameraData.cameraStack.Add(additionalCamera);
        }

        // URP移除叠加相机
        public void URPRemoveAdditionalCamera(Camera mainCamera, Camera additionalCamera)
        {
            var cameraData = mainCamera.GetUniversalAdditionalCameraData();
            cameraData.cameraStack.Remove(additionalCamera);
        }

        // URP清空叠加相机
        public void URPClearAdditionalCamera(Camera mainCamera)
        {
            var cameraData = mainCamera.GetUniversalAdditionalCameraData();
            cameraData.cameraStack.Clear();
        }
    }
}