/// <summary>
/// 加载AB 包 并加载所有的依赖项
/// </summary>
/// <param name="assetName"></param>
/// <returns></returns>
AssetBundle LoadAssetBundleAndDependenciesByAsset(AssetRecordInfo assetRecord)
{
if (assetRecord == null)
{
return(null);
}
// 加载所有的依赖项
return(LoadAssetBundleAndDependencies(assetRecord.AssetBundleName, false));
}
/// <summary>
/// 异步加载一个资源
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="assetName"></param>
/// <param name="unloadAssetBundle"></param>
/// <param name="unloadAllLoadedObjects"></param>
/// <returns></returns>
public LoadAssetAsyncOperation LoadAssetAsync <T>(string assetName, bool unloadAssetBundle = true, bool unloadAllLoadedObjects = false) where T : UnityEngine.Object
{
try
{
if (!IsReady)
{
return(null);
}
LoadAssetAsyncOperation operation = null;
AssetRecordInfo assetRecord = GetAssetRecordInfoByAsset(assetName);
if (assetRecord == null)
{
return(null);
}
#if UNITY_EDITOR
if (SimulateAssetBundleInEditor)
{
T asset = UnityEditor.AssetDatabase.LoadAssetAtPath <T>(assetRecord.RelativePath);
operation = new LoadAssetAsyncOperation(asset);
}
else
#endif
{
AssetBundle assetBundle = LoadAssetBundleAndDependenciesByAsset(assetRecord);
AssetBundleRequest request = null;
if (assetBundle != null)
{
request = assetBundle.LoadAssetAsync <T>(assetRecord.AssetName);
DisposeTemporaryAssetBundles(unloadAssetBundle, unloadAllLoadedObjects);
}
operation = new LoadAssetAsyncOperation(request);
}
return(operation);
}
catch (System.Exception ex)
{
Debug.LogErrorFormat("AssetBundleManager.LoadAsset is falid!\n{0}", ex.Message);
}
return(null);
}
/// <summary>
/// 加载资源记录文件
/// </summary>
void LoadAssetRecord()
{
#if UNITY_EDITOR
if (SimulateAssetBundleInEditor)
{
string[] assetBundleNameArray = UnityEditor.AssetDatabase.GetAllAssetBundleNames();
for (int index = 0; index < assetBundleNameArray.Length; index++)
{
string[] assetNameArray = UnityEditor.AssetDatabase.GetAssetPathsFromAssetBundle(assetBundleNameArray[index]);
for (int i = 0; i < assetNameArray.Length; i++)
{
string assetName = assetNameArray[i];
if (
// 预知件
assetName.EndsWith(".prefab")
// 二进制文件和 Lua 文件
|| assetName.EndsWith(".bytes")
// 音效文件
|| assetName.EndsWith(".wav") || assetName.EndsWith(".map") || assetName.EndsWith(".ogg")
)
{
string assetRecordKey = AssetRecordInfo.ToAssetRecordKey(assetNameArray[i]);
if (m_AssetRecordDict.ContainsKey(assetRecordKey))
{
Debug.LogErrorFormat("Some asset with the same assetrecordkey[{0}], please check and fix it! in path:\n{1}\n{2}", assetRecordKey, m_AssetRecordDict[assetRecordKey].RelativePath, assetNameArray[i]);
}
else
{
m_AssetRecordDict.Add(assetRecordKey, new AssetRecordInfo(assetRecordKey, assetBundleNameArray[index], assetNameArray[i]));
}
}
}
}
}
else
#endif
{
byte[] contentBytes = FileUtility.ReadFileBytes(GetAssetBundleFileFullPath(AppDefine.AssetRecordsFileName));
if (AppDefine.IsEncrypted)
{
contentBytes = Utility.AESDecrypt(contentBytes, AppDefine.AssetSecretKey);
}
string fileContent = Utility.BytesToUTF8String(contentBytes);
if (string.IsNullOrEmpty(fileContent))
{
Debug.LogError("Load Asset Reocrds file error, please check and fix it!");
return;
}
string[] assetRecordInfoArray = fileContent.Split(new string[] { "#$" }, StringSplitOptions.RemoveEmptyEntries);
for (int index = 0; index < assetRecordInfoArray.Length; index++)
{
string[] recordItems = assetRecordInfoArray[index].Split(new string[] { "#@" }, StringSplitOptions.None);
if (recordItems.Length > 1)
{
string assetRecordKey = recordItems[0].Trim();
string assetBundleName = recordItems[1].Trim();
if (m_AssetRecordDict.ContainsKey(assetRecordKey))
{
Debug.LogErrorFormat("Some asset with the same assetrecordkey[{0}], please check and fix it! in assetBundleName:\n{1}\n{2}", assetRecordKey, m_AssetRecordDict[assetRecordKey].AssetBundleName, assetBundleName);
}
else
{
m_AssetRecordDict.Add(assetRecordKey, new AssetRecordInfo(assetRecordKey, assetBundleName));
}
}
}
}
}
