XiuXianGame/Assets/Scripts/GameUI/UI/BackgroundPanel/BackgroundPanel.cs

using Fort23.Core;
using Fort23.Mono.Test;
using Fort23.UTool;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;

namespace Fort23.Mono
{
    [UIBinding(prefab = "BackgroundPanel")]
    public partial class BackgroundPanel : UIPanel
    {
        // public RawImage backImage;
        public UnityAction callback;

        protected Material Material;

        /// <summary>
        /// 是否激活背景开关
        /// </summary>
        public bool EnableBGBtn
        {
            get { return _enableBGBtn; }
            set { _enableBGBtn = value; }
        }

        private bool _enableBGBtn = true;

        public void Init()
        {
            isAddStack = false;
            IsShowAppBar = false;
        }

        protected override void AddEvent()
        {
        }

        private RenderTexture renderTexture
        {
            get
            {
                if (_renderTexture == null)
                {
                    _renderTexture = new RenderTexture(Screen.width, Screen.height, 0, RenderTextureFormat.Default);
                }

                return _renderTexture;
            }
        }

        private RenderTexture _renderTexture;

        public override CTask Show()
        {
            if (GObjectPoolInterface == null)
            {
                return null;
            }

            CTask cTask = CTask.Create();
            _isShow = true;
            GObjectPoolInterface.SetActive(true);
            if (timerEntity != null)
            {
                TimerComponent.Instance.Remove(timerEntity);
            }

            if (openTimerEntity != null)
            {
                TimerComponent.Instance.Remove(openTimerEntity);
            }


            ShowAnimator();
            cTask.SetResult();

            return cTask;
        }

        protected override async CTask ProOpen()
        {
            ManualAsyncTask ct = ManualAsyncTask.Create();
            // if (GObjectPoolInterface != null)
            // {
            //     GObjectPoolInterface.SetActive(false);
            // }

            IsClose = true;
            isFullUI = true;
            UIManager.Instance.RefreshFull();
            IsClose = false;
            // Shader.SetGlobalTexture(CameraTransparentColorTexture, renderTexture);
            InterceptGamePass.SetRenderTexture(renderTexture, delegate { ct.SetResult(); }, executeCallBack: Execute);
            await ct.Wait();
            LogTool.Log("完成背景图加载");
            if (RawImage.texture != renderTexture)
            {
                RawImage.texture = renderTexture;
            }

            if (GObjectPoolInterface != null)
            {
                GObjectPoolInterface.SetActive(true);
            }

            UIManager.Instance.RefreshFull();
            // TimerComponent.Instance.AddTimer(500, delegate { UIManager.Instance.RefreshFull(); });
        }

        protected void Execute(ScriptableRenderContext context, RenderingData renderingData,
            RenderTexture renderTargetHandle, RenderTargetIdentifier source,
            RenderTextureDescriptor cameraTextureDescriptor)
        {
            if (Material == null)
            {
                Material = new Material(Shader.Find("Unlit/MoHu"));
            }

            // return;
            // LogTool.Log("回调背景图加载");
            CommandBuffer cmd = CommandBufferPool.Get("background");
            int w = cameraTextureDescriptor.width;
            int h = cameraTextureDescriptor.height;
            int randerIndex = -255;
            RenderTargetIdentifier lasetIdentifier = default;
            int lasetranderIndex = 10000;

            for (int i = 0; i < 4; i++)
            {
                w /= 2;
                h /= 2;
                if (w <= 1 || h <= 1)
                {
                    break;
                }

                int index = Shader.PropertyToID("back_tu" + i);
                // isTu1 = !isTu1;
                cmd.GetTemporaryRT(index, w, h, 0, FilterMode.Bilinear, RenderTextureFormat.ARGB32);
                RenderTargetIdentifier renderTargetIdentifier = new RenderTargetIdentifier(index);
                if (lasetranderIndex != 10000)
                {
                    cmd.Blit(lasetIdentifier, renderTargetIdentifier, Material, 0);
                    cmd.ReleaseTemporaryRT(lasetranderIndex);
                }
                else
                {
                    cmd.Blit(source, renderTargetIdentifier, Material, 0);
                }

                lasetIdentifier = renderTargetIdentifier;
                lasetranderIndex = index;
            }

            for (int i = 0; i < 4; i++)
            {
                w *= 2;
                h *= 2;
                if (w > cameraTextureDescriptor.width || h > cameraTextureDescriptor.height)
                {
                    break;
                }

                int index = Shader.PropertyToID("back_fd" + i);
                cmd.GetTemporaryRT(index, w, h, 0, FilterMode.Bilinear, RenderTextureFormat.ARGB32);
                RenderTargetIdentifier renderTargetIdentifier = new RenderTargetIdentifier(index);
                if (lasetranderIndex != 10000)
                {
                    cmd.Blit(lasetIdentifier, renderTargetIdentifier, Material, 1);
                    cmd.ReleaseTemporaryRT(lasetranderIndex);
                }

                lasetIdentifier = renderTargetIdentifier;
                lasetranderIndex = index;
            }


            // int index = Shader.PropertyToID("back_tu");
            // isTu1 = !isTu1;
            // cmd.GetTemporaryRT(index, w, h, 0, FilterMode.Bilinear,
            //     RenderTextureFormat.ARGB32);
            // RenderTargetIdentifier renderTargetIdentifier = new RenderTargetIdentifier(index);
            // cmd.Blit(source, renderTargetIdentifier,Material,0);
            cmd.Blit(lasetIdentifier, renderTargetHandle, Material, 2);
            cmd.ReleaseTemporaryRT(lasetranderIndex);
            context.ExecuteCommandBuffer(cmd);
            CommandBufferPool.Release(cmd);
        }


        /// <summary>
        /// 关闭当前有背景的面板
        /// </summary>
        public void CloseTopPanel()
        {
            if (!EnableBGBtn)
            {
                return;
            }

            if (UIManager.Instance.AllShowBGUIs.Count > 0 && UIManager.Instance.AllShowBGUIs[^1] != null)
            {
                UIPanel uiPanel = UIManager.Instance.AllShowBGUIs[^1];
                if (!uiPanel.IsHindBackground())
                {
                    return;
                }
            }

            UnityAction action = callback;
            callback = null;
            if (action != null)
                action?.Invoke();
            Close();
            if (UIManager.Instance.AllShowBGUIs.Count > 0 && UIManager.Instance.AllShowBGUIs[^1] != null)
            {
                UIPanel uiPanel = UIManager.Instance.AllShowBGUIs[^1];
                uiPanel.BackgroundCallBack();
                UIManager.Instance.HideUIUIPanel(uiPanel);
            }
        }

        public override void AddButtonEvent()
        {
            Btn_BG.onClick.AddListener(CloseTopPanel);
        }

        public void CustomInit()
        {
        }

        protected override void DelEvent()
        {
        }

        public async override CTask Close()
        {
            EnableBGBtn = true;
            await base.Close();
        }
    }
}