//------------------------------------------------------------
// Game Framework
// Copyright © 2013-2021 loyalsoft. All rights reserved.
// Homepage: http://www.game7000.com/
// Feedback: http://www.game7000.com/
//------------------------------------------------------------
using GameFramework;
using GameFramework.FileSystem;
using GameFramework.Resource;
using System;
using UnityEngine;
#if UNITY_5_4_OR_NEWER
using UnityEngine.Networking;
#endif
using UnityEngine.SceneManagement;
using Utility = GameFramework.Utility;
namespace UnityGameFramework.Runtime
{
///
/// 默认加载资源代理辅助器。
///
public class DefaultLoadResourceAgentHelper : LoadResourceAgentHelperBase, IDisposable
{
private string m_FileFullPath = null;
private string m_FileName = null;
private string m_BytesFullPath = null;
private string m_AssetName = null;
private float m_LastProgress = 0f;
private bool m_Disposed = false;
#if UNITY_5_4_OR_NEWER
private UnityWebRequest m_UnityWebRequest = null;
#else
private WWW m_WWW = null;
#endif
private AssetBundleCreateRequest m_FileAssetBundleCreateRequest = null;
private AssetBundleCreateRequest m_BytesAssetBundleCreateRequest = null;
private AssetBundleRequest m_AssetBundleRequest = null;
private AsyncOperation m_AsyncOperation = null;
private EventHandler m_LoadResourceAgentHelperUpdateEventHandler = null;
private EventHandler m_LoadResourceAgentHelperReadFileCompleteEventHandler = null;
private EventHandler m_LoadResourceAgentHelperReadBytesCompleteEventHandler = null;
private EventHandler m_LoadResourceAgentHelperParseBytesCompleteEventHandler = null;
private EventHandler m_LoadResourceAgentHelperLoadCompleteEventHandler = null;
private EventHandler m_LoadResourceAgentHelperErrorEventHandler = null;
///
/// 加载资源代理辅助器异步加载资源更新事件。
///
public override event EventHandler LoadResourceAgentHelperUpdate
{
add
{
m_LoadResourceAgentHelperUpdateEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperUpdateEventHandler -= value;
}
}
///
/// 加载资源代理辅助器异步读取资源文件完成事件。
///
public override event EventHandler LoadResourceAgentHelperReadFileComplete
{
add
{
m_LoadResourceAgentHelperReadFileCompleteEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperReadFileCompleteEventHandler -= value;
}
}
///
/// 加载资源代理辅助器异步读取资源二进制流完成事件。
///
public override event EventHandler LoadResourceAgentHelperReadBytesComplete
{
add
{
m_LoadResourceAgentHelperReadBytesCompleteEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperReadBytesCompleteEventHandler -= value;
}
}
///
/// 加载资源代理辅助器异步将资源二进制流转换为加载对象完成事件。
///
public override event EventHandler LoadResourceAgentHelperParseBytesComplete
{
add
{
m_LoadResourceAgentHelperParseBytesCompleteEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperParseBytesCompleteEventHandler -= value;
}
}
///
/// 加载资源代理辅助器异步加载资源完成事件。
///
public override event EventHandler LoadResourceAgentHelperLoadComplete
{
add
{
m_LoadResourceAgentHelperLoadCompleteEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperLoadCompleteEventHandler -= value;
}
}
///
/// 加载资源代理辅助器错误事件。
///
public override event EventHandler LoadResourceAgentHelperError
{
add
{
m_LoadResourceAgentHelperErrorEventHandler += value;
}
remove
{
m_LoadResourceAgentHelperErrorEventHandler -= value;
}
}
///
/// 通过加载资源代理辅助器开始异步读取资源文件。
///
/// 要加载资源的完整路径名。
public override void ReadFile(string fullPath)
{
if (m_LoadResourceAgentHelperReadFileCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
m_FileFullPath = fullPath;
m_FileAssetBundleCreateRequest = AssetBundle.LoadFromFileAsync(fullPath);
}
///
/// 通过加载资源代理辅助器开始异步读取资源文件。
///
/// 要加载资源的文件系统。
/// 要加载资源的名称。
public override void ReadFile(IFileSystem fileSystem, string name)
{
#if UNITY_5_3_5 || UNITY_5_3_6 || UNITY_5_3_7 || UNITY_5_3_8 || UNITY_5_4_OR_NEWER
if (m_LoadResourceAgentHelperReadFileCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
FileInfo fileInfo = fileSystem.GetFileInfo(name);
m_FileFullPath = fileSystem.FullPath;
m_FileName = name;
m_FileAssetBundleCreateRequest = AssetBundle.LoadFromFileAsync(fileSystem.FullPath, 0u, (ulong)fileInfo.Offset);
#else
Log.Fatal("Load from file async with offset is not supported, use Unity 5.3.5f1 or above.");
#endif
}
///
/// 通过加载资源代理辅助器开始异步读取资源二进制流。
///
/// 要加载资源的完整路径名。
public override void ReadBytes(string fullPath)
{
if (m_LoadResourceAgentHelperReadBytesCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
m_BytesFullPath = fullPath;
#if UNITY_5_4_OR_NEWER
m_UnityWebRequest = UnityWebRequest.Get(Utility.Path.GetRemotePath(fullPath));
#if UNITY_2017_2_OR_NEWER
m_UnityWebRequest.SendWebRequest();
#else
m_UnityWebRequest.Send();
#endif
#else
m_WWW = new WWW(Utility.Path.GetRemotePath(fullPath));
#endif
}
///
/// 通过加载资源代理辅助器开始异步读取资源二进制流。
///
/// 要加载资源的文件系统。
/// 要加载资源的名称。
public override void ReadBytes(IFileSystem fileSystem, string name)
{
if (m_LoadResourceAgentHelperReadBytesCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
byte[] bytes = fileSystem.ReadFile(name);
LoadResourceAgentHelperReadBytesCompleteEventArgs loadResourceAgentHelperReadBytesCompleteEventArgs = LoadResourceAgentHelperReadBytesCompleteEventArgs.Create(bytes);
m_LoadResourceAgentHelperReadBytesCompleteEventHandler(this, loadResourceAgentHelperReadBytesCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperReadBytesCompleteEventArgs);
}
///
/// 通过加载资源代理辅助器开始异步将资源二进制流转换为加载对象。
///
/// 要加载资源的二进制流。
public override void ParseBytes(byte[] bytes)
{
if (m_LoadResourceAgentHelperParseBytesCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
m_BytesAssetBundleCreateRequest = AssetBundle.LoadFromMemoryAsync(bytes);
}
///
/// 通过加载资源代理辅助器开始异步加载资源。
///
/// 资源。
/// 要加载的资源名称。
/// 要加载资源的类型。
/// 要加载的资源是否是场景。
public override void LoadAsset(object resource, string assetName, Type assetType, bool isScene)
{
if (m_LoadResourceAgentHelperLoadCompleteEventHandler == null || m_LoadResourceAgentHelperUpdateEventHandler == null || m_LoadResourceAgentHelperErrorEventHandler == null)
{
Log.Fatal("Load resource agent helper handler is invalid.");
return;
}
AssetBundle assetBundle = resource as AssetBundle;
if (assetBundle == null)
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.TypeError, "Can not load asset bundle from loaded resource which is not an asset bundle.");
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
return;
}
if (string.IsNullOrEmpty(assetName))
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.AssetError, "Can not load asset from asset bundle which child name is invalid.");
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
return;
}
m_AssetName = assetName;
if (isScene)
{
int sceneNamePositionStart = assetName.LastIndexOf('/');
int sceneNamePositionEnd = assetName.LastIndexOf('.');
if (sceneNamePositionStart <= 0 || sceneNamePositionEnd <= 0 || sceneNamePositionStart > sceneNamePositionEnd)
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.AssetError, Utility.Text.Format("Scene name '{0}' is invalid.", assetName));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
return;
}
string sceneName = assetName.Substring(sceneNamePositionStart + 1, sceneNamePositionEnd - sceneNamePositionStart - 1);
m_AsyncOperation = SceneManager.LoadSceneAsync(sceneName, LoadSceneMode.Additive);
}
else
{
if (assetType != null)
{
m_AssetBundleRequest = assetBundle.LoadAssetAsync(assetName, assetType);
}
else
{
m_AssetBundleRequest = assetBundle.LoadAssetAsync(assetName);
}
}
}
///
/// 重置加载资源代理辅助器。
///
public override void Reset()
{
m_FileFullPath = null;
m_FileName = null;
m_BytesFullPath = null;
m_AssetName = null;
m_LastProgress = 0f;
#if UNITY_5_4_OR_NEWER
if (m_UnityWebRequest != null)
{
m_UnityWebRequest.Dispose();
m_UnityWebRequest = null;
}
#else
if (m_WWW != null)
{
m_WWW.Dispose();
m_WWW = null;
}
#endif
m_FileAssetBundleCreateRequest = null;
m_BytesAssetBundleCreateRequest = null;
m_AssetBundleRequest = null;
m_AsyncOperation = null;
}
///
/// 释放资源。
///
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
///
/// 释放资源。
///
/// 释放资源标记。
protected virtual void Dispose(bool disposing)
{
if (m_Disposed)
{
return;
}
if (disposing)
{
#if UNITY_5_4_OR_NEWER
if (m_UnityWebRequest != null)
{
m_UnityWebRequest.Dispose();
m_UnityWebRequest = null;
}
#else
if (m_WWW != null)
{
m_WWW.Dispose();
m_WWW = null;
}
#endif
}
m_Disposed = true;
}
private void Update()
{
#if UNITY_5_4_OR_NEWER
UpdateUnityWebRequest();
#else
UpdateWWW();
#endif
UpdateFileAssetBundleCreateRequest();
UpdateBytesAssetBundleCreateRequest();
UpdateAssetBundleRequest();
UpdateAsyncOperation();
}
#if UNITY_5_4_OR_NEWER
private void UpdateUnityWebRequest()
{
if (m_UnityWebRequest != null)
{
if (m_UnityWebRequest.isDone)
{
if (string.IsNullOrEmpty(m_UnityWebRequest.error))
{
LoadResourceAgentHelperReadBytesCompleteEventArgs loadResourceAgentHelperReadBytesCompleteEventArgs = LoadResourceAgentHelperReadBytesCompleteEventArgs.Create(m_UnityWebRequest.downloadHandler.data);
m_LoadResourceAgentHelperReadBytesCompleteEventHandler(this, loadResourceAgentHelperReadBytesCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperReadBytesCompleteEventArgs);
m_UnityWebRequest.Dispose();
m_UnityWebRequest = null;
m_BytesFullPath = null;
m_LastProgress = 0f;
}
else
{
bool isError = false;
#if UNITY_2020_2_OR_NEWER
isError = m_UnityWebRequest.result != UnityWebRequest.Result.Success;
#elif UNITY_2017_1_OR_NEWER
isError = m_UnityWebRequest.isNetworkError || m_UnityWebRequest.isHttpError;
#else
isError = m_UnityWebRequest.isError;
#endif
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.NotExist, Utility.Text.Format("Can not load asset bundle '{0}' with error message '{1}'.", m_BytesFullPath, isError ? m_UnityWebRequest.error : null));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_UnityWebRequest.downloadProgress != m_LastProgress)
{
m_LastProgress = m_UnityWebRequest.downloadProgress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.ReadResource, m_UnityWebRequest.downloadProgress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
#else
private void UpdateWWW()
{
if (m_WWW != null)
{
if (m_WWW.isDone)
{
if (string.IsNullOrEmpty(m_WWW.error))
{
LoadResourceAgentHelperReadBytesCompleteEventArgs loadResourceAgentHelperReadBytesCompleteEventArgs = LoadResourceAgentHelperReadBytesCompleteEventArgs.Create(m_WWW.bytes);
m_LoadResourceAgentHelperReadBytesCompleteEventHandler(this, loadResourceAgentHelperReadBytesCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperReadBytesCompleteEventArgs);
m_WWW.Dispose();
m_WWW = null;
m_BytesFullPath = null;
m_LastProgress = 0f;
}
else
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.NotExist, Utility.Text.Format("Can not load asset bundle '{0}' with error message '{1}'.", m_BytesFullPath, m_WWW.error));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_WWW.progress != m_LastProgress)
{
m_LastProgress = m_WWW.progress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.ReadResource, m_WWW.progress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
#endif
private void UpdateFileAssetBundleCreateRequest()
{
if (m_FileAssetBundleCreateRequest != null)
{
if (m_FileAssetBundleCreateRequest.isDone)
{
AssetBundle assetBundle = m_FileAssetBundleCreateRequest.assetBundle;
if (assetBundle != null)
{
AssetBundleCreateRequest oldFileAssetBundleCreateRequest = m_FileAssetBundleCreateRequest;
LoadResourceAgentHelperReadFileCompleteEventArgs loadResourceAgentHelperReadFileCompleteEventArgs = LoadResourceAgentHelperReadFileCompleteEventArgs.Create(assetBundle);
m_LoadResourceAgentHelperReadFileCompleteEventHandler(this, loadResourceAgentHelperReadFileCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperReadFileCompleteEventArgs);
if (m_FileAssetBundleCreateRequest == oldFileAssetBundleCreateRequest)
{
m_FileAssetBundleCreateRequest = null;
m_LastProgress = 0f;
}
}
else
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.NotExist, Utility.Text.Format("Can not load asset bundle from file '{0}' which is not a valid asset bundle.", m_FileName == null ? m_FileFullPath : Utility.Text.Format("{0} | {1}", m_FileFullPath, m_FileName)));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_FileAssetBundleCreateRequest.progress != m_LastProgress)
{
m_LastProgress = m_FileAssetBundleCreateRequest.progress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.LoadResource, m_FileAssetBundleCreateRequest.progress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
private void UpdateBytesAssetBundleCreateRequest()
{
if (m_BytesAssetBundleCreateRequest != null)
{
if (m_BytesAssetBundleCreateRequest.isDone)
{
AssetBundle assetBundle = m_BytesAssetBundleCreateRequest.assetBundle;
if (assetBundle != null)
{
AssetBundleCreateRequest oldBytesAssetBundleCreateRequest = m_BytesAssetBundleCreateRequest;
LoadResourceAgentHelperParseBytesCompleteEventArgs loadResourceAgentHelperParseBytesCompleteEventArgs = LoadResourceAgentHelperParseBytesCompleteEventArgs.Create(assetBundle);
m_LoadResourceAgentHelperParseBytesCompleteEventHandler(this, loadResourceAgentHelperParseBytesCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperParseBytesCompleteEventArgs);
if (m_BytesAssetBundleCreateRequest == oldBytesAssetBundleCreateRequest)
{
m_BytesAssetBundleCreateRequest = null;
m_LastProgress = 0f;
}
}
else
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.NotExist, "Can not load asset bundle from memory which is not a valid asset bundle.");
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_BytesAssetBundleCreateRequest.progress != m_LastProgress)
{
m_LastProgress = m_BytesAssetBundleCreateRequest.progress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.LoadResource, m_BytesAssetBundleCreateRequest.progress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
private void UpdateAssetBundleRequest()
{
if (m_AssetBundleRequest != null)
{
if (m_AssetBundleRequest.isDone)
{
if (m_AssetBundleRequest.asset != null)
{
LoadResourceAgentHelperLoadCompleteEventArgs loadResourceAgentHelperLoadCompleteEventArgs = LoadResourceAgentHelperLoadCompleteEventArgs.Create(m_AssetBundleRequest.asset);
m_LoadResourceAgentHelperLoadCompleteEventHandler(this, loadResourceAgentHelperLoadCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperLoadCompleteEventArgs);
m_AssetName = null;
m_LastProgress = 0f;
m_AssetBundleRequest = null;
}
else
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.AssetError, Utility.Text.Format("Can not load asset '{0}' from asset bundle which is not exist.", m_AssetName));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_AssetBundleRequest.progress != m_LastProgress)
{
m_LastProgress = m_AssetBundleRequest.progress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.LoadAsset, m_AssetBundleRequest.progress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
private void UpdateAsyncOperation()
{
if (m_AsyncOperation != null)
{
if (m_AsyncOperation.isDone)
{
if (m_AsyncOperation.allowSceneActivation)
{
SceneAsset sceneAsset = new SceneAsset();
LoadResourceAgentHelperLoadCompleteEventArgs loadResourceAgentHelperLoadCompleteEventArgs = LoadResourceAgentHelperLoadCompleteEventArgs.Create(sceneAsset);
m_LoadResourceAgentHelperLoadCompleteEventHandler(this, loadResourceAgentHelperLoadCompleteEventArgs);
ReferencePool.Release(loadResourceAgentHelperLoadCompleteEventArgs);
m_AssetName = null;
m_LastProgress = 0f;
m_AsyncOperation = null;
}
else
{
LoadResourceAgentHelperErrorEventArgs loadResourceAgentHelperErrorEventArgs = LoadResourceAgentHelperErrorEventArgs.Create(LoadResourceStatus.AssetError, Utility.Text.Format("Can not load scene asset '{0}' from asset bundle.", m_AssetName));
m_LoadResourceAgentHelperErrorEventHandler(this, loadResourceAgentHelperErrorEventArgs);
ReferencePool.Release(loadResourceAgentHelperErrorEventArgs);
}
}
else if (m_AsyncOperation.progress != m_LastProgress)
{
m_LastProgress = m_AsyncOperation.progress;
LoadResourceAgentHelperUpdateEventArgs loadResourceAgentHelperUpdateEventArgs = LoadResourceAgentHelperUpdateEventArgs.Create(LoadResourceProgress.LoadScene, m_AsyncOperation.progress);
m_LoadResourceAgentHelperUpdateEventHandler(this, loadResourceAgentHelperUpdateEventArgs);
ReferencePool.Release(loadResourceAgentHelperUpdateEventArgs);
}
}
}
}
}