关于Loading页的混淆加载
上文我们聊了Loading页实现场景切换的功能。 细心的同学大概已经发现了，loading页加载场景时加载的都是场景内的资源，也就是场景中存在的资源。如果我们有些资源泉源于当地即时加载或是来自于网络，也想与场景内资源一起通过loading页面加载怎么办呢？ 实在也很好管理，只需要我们将loading页改造为分步加载即可。
思路及原理
有两种实现方案：
- 所有场景的网络资源统一在loading场景中管理，在切换到差别场景时使用差别的网络数据与当地资源加载做步调组合。优点是所有资源统一管理修改，查找方便。缺点是当场景、资源过多时会非常臃肿。
- 从loading场景切换到目的场景时，不释放loading场景，在目的场景中完成网络资源加载逻辑，并通过挟制loading中的方法，与加载步调举行组合。当完成所有资源加载后，释放Loading场景中的资源。优点是资源加载逻辑在相关的场景中实现，逻辑公道。缺点是欠好统一管理。
实在这两种方法实现起来都差不多，本篇实现的是第二种方式。
首先将资源拆成几个step，然后按step逐个加载，并显示相关提示
详细步调
还没整理完比力糙。3号之前整理完
1, 实现Loading页面和场景加载功能
这部门我已经实现，请你移步检察这篇文章，并确保已经实现
Loading页实现场景切换
2, 对Loading页面改造
- using System.Diagnostics;using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.SceneManagement;using System;using mLib;public class Loading_Controller : MonoBehaviour{ private AsyncOperation asyncOperation; void Start() { // 启动异步加载 StartCoroutine(this.AsyncLoading()); } IEnumerator AsyncLoading() { this.asyncOperation= SceneManager.LoadSceneAsync((string)SceneController.sceneNames[SceneController.sceneIndex]); //终止自动转换场景 this.asyncOperation.allowSceneActivation = false; yield return asyncOperation; } // 设置总步数 public static float custom_totalStep = 1f; // 当前执行的step private float custom_currentStep = 1f; // 当前资源的文字提示 public static string progressDetailsTxt = "Local Resources"; void Update() { // anther way: 1f / operation.progress + custom_currentStep this.view.loadingUIController.SetStep(custom_totalStep, this.custom_currentStep, progressDetailsTxt); // 当场景内资源加载进度大于0.9 便是完成加载，完成加载step 1 if (this.asyncOperation.progress >= 0.9f) { if (custom_totalStep > 1f) { DontDestroyOnLoad(this.view.gameObject); } // 关闭多余的相机 todo 尚有个envent this.view.mainCamera.gameObject.SetActive(false); // 允许切换 this.operation.allowSceneActivation = true; } } private void OnDestroy() { // 复位 // Loading_Controller.custom_totalStep = 1f; Loading_Controller.progressDetailsTxt = "Local Resources"; } /// /// 1 设置静态变量 custom_totalStep的值 /// 2 添加 OnCustomLoadingFinished的方法 /// 3 通过 CustomLoading执行加载 /// /// /// public void CustomLoading(string detialsTxt, Action loadingAction = null) { Loading_Controller.progressDetailsTxt = detialsTxt; this.custom_currentStep += 1f; loadingAction?.Invoke(); // 当执行竣事后，卸载当前页面 if (Loading_Controller.custom_totalStep == this.custom_currentStep) { StartCoroutine(mTools.WaitForSecondsDo(1f, () => { }, () => { this.OnCustomLoadingFinished?.Invoke(); Destroy(gameObject); })); } } public Action OnCustomLoadingFinished; #endregion}
- using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.SceneManagement;using System;public static class SceneController{ // public static string[] sceneNameList = { "Loading", "TestScene" }; public static ArrayList sceneNames = new ArrayList() { "Structure", "RobotCount", "RobotShow", "Monitor", }; public static string LoadingSceneName = "Loading"; // public static public static int sceneIndex = -1; // Update is called once per frame public static void GoToNextScene() { if (SceneController.sceneIndex < SceneController.sceneNames.Count - 1) { SceneController.sceneIndex++; GoToSceneByIndex(SceneController.sceneIndex); // SceneManager.LoadScene((string)SceneController.sceneNames[SceneController.sceneIndex]); } } public static Action AfterGoToScene; public static void GoToPrevScene() { if (SceneController.sceneIndex > 0) { SceneController.sceneIndex--; GoToSceneByIndex(SceneController.sceneIndex); } } /// /// goto the scene if finded name in scenelist,atherwase reopen current scene /// /// public static void GoToSceneByName(string sceneName) { if (SceneController.sceneNames.Contains(sceneName)) { GoToSceneByIndex(SceneController.sceneNames.IndexOf(sceneName)); } } public static void GoToSceneByIndex(int sceneIndex) { if (SceneController.sceneIndex >= 0 && SceneController.sceneIndex < SceneController.sceneNames.Count) { SceneController.sceneIndex = sceneIndex; // 设置总加载量和detailstxt Loading_Controller.custom_totalStep = (string)SceneController.sceneNames[SceneController.sceneIndex] switch { "Monitor" => 6f, _ => 1f, }; SceneManager.LoadScene(LoadingSceneName); AfterGoToScene?.Invoke(); } } /// public static void UnLoadSceneByName(string sceneName) { SceneManager.UnloadSceneAsync(sceneName); } public static void UnLoadSceneById(int sceneID) { SceneManager.UnloadSceneAsync((string)SceneController.sceneNames[sceneID]); }}
- 切换场景SceneController.GoToSceneByName("RobotCount");Loading_Controller.custom_totalStep = 4场景内加载this.loading_Controller.CustomLoading("Generating static model");
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