/// <summary>
/// 移除所有没有被引用的AssetBundle 记录
/// </summary>
public static void RemoveAllUnReferenceAssetBundleRecord(bool isForceCheck)
{
if (s_LastFullCheckTime == 0)
{
s_LastFullCheckTime = Time.realtimeSinceStartup;
}
if (isForceCheck || (Time.realtimeSinceStartup - s_LastFullCheckTime) >= s_FullCheckTimeInterval)
{
s_LastFullCheckTime = Time.realtimeSinceStartup;
Dictionary <string, AssetBundleRecordInfor> tempAssetBundleRecordInfors = new Dictionary <string, AssetBundleRecordInfor>(s_AllAssetBundleRecordInfors);
foreach (var assetBundleRecordInfor in tempAssetBundleRecordInfors)
{
if (assetBundleRecordInfor.Value == null)
{
s_AllAssetBundleRecordInfors.Remove(assetBundleRecordInfor.Key);
continue;
}
if (assetBundleRecordInfor.Value.mTotalReferenceCount == 0 || assetBundleRecordInfor.Value.IsAssetBundleEnable == false)
{
s_AllAssetBundleRecordInfors.Remove(assetBundleRecordInfor.Key);
AssetBundleRecordInfor.ReleaseAssetBundleRecordInfor(assetBundleRecordInfor.Value);
continue;
}
}
}
}
/// <summary>
/// 同步 加载 AssetBundleRecordInfor 资源
/// </summary>
/// <param name="assetBundleNameUri">AssetBundle 文件名</param>
/// <param name="assetBundleDirectoryUri">AssetBundle 相对目录 (可能是null)</param>
/// <returns></returns>
private static AssetBundleRecordInfor LoadAssetBundleRecordSync(string assetBundleNameUri, string assetBundleDirectoryUri)
{
if (string.IsNullOrEmpty(assetBundleNameUri))
{
Debug.LogError("LoadAssetBundleRecordSync Fail,Parameter is null");
return(null);
}
//缓存中取
AssetBundleRecordInfor assetBundleRecordInfor = LoadAssetBundleRecordInforFromCache(assetBundleNameUri);
if (assetBundleRecordInfor != null && assetBundleRecordInfor.IsAssetBundleEnable)
{
return(assetBundleRecordInfor);
}
//依赖加载AssetBundle 并递归记录依赖关系
Dictionary <string, string> dependenceBundlesPath = GetAssetBundleAllDependencies(assetBundleNameUri);
//key = assetBundleName
Dictionary <string, AssetBundleRecordInfor> allDependenceAssetBundleRecords = null;
if (dependenceBundlesPath != null && dependenceBundlesPath.Count > 0)
{
allDependenceAssetBundleRecords = new Dictionary <string, AssetBundleRecordInfor>(dependenceBundlesPath.Count);
foreach (var dependencePath in dependenceBundlesPath)
{
var dependenceAssetBundleRecord = LoadAssetBundleRecordSync(dependencePath.Key, dependencePath.Value);
if (dependenceAssetBundleRecord == null)
{
Debug.LogError($"加载{dependencePath.Key} 的依赖资源{ dependencePath.Value} 失败");
return(null);
}
allDependenceAssetBundleRecords[dependencePath.Key] = dependenceAssetBundleRecord;
}
} //递归加载依赖
//加载参数指定的AssetBundle
AssetBundle assetBundle = null;
if (string.IsNullOrEmpty(assetBundleDirectoryUri))
{
assetBundle = LoadAssetBundleFromFile(assetBundleNameUri);
}
else
{
assetBundle = LoadAssetBundleFromFile(assetBundleDirectoryUri.CombinePathEx(assetBundleNameUri));
}
return(RecordAssetBundleDepdence(assetBundleNameUri, assetBundle, allDependenceAssetBundleRecords));
}
/// <summary>//
/// / 加载缓存的 AssetBundleRecordInfor
/// <param name="assetFullUri">资源相对于Resources的完整路径</param>
private static AssetBundleRecordInfor LoadAssetBundleRecordInforFromCache(string assetBundleNameUri)
{
if (s_AllAssetBundleRecordInfors.TryGetValue(assetBundleNameUri, out var assetBundleRecordInfor))
{
if (assetBundleRecordInfor == null || assetBundleRecordInfor.IsAssetBundleEnable == false)
{
s_AllLoadedAssetBundleSubAssetRecord.Remove(assetBundleNameUri);
if (assetBundleRecordInfor != null)
{
AssetBundleRecordInfor.ReleaseAssetBundleRecordInfor(assetBundleRecordInfor);
}
return(null);
}
return(assetBundleRecordInfor);
}
return(null);
}
/// <summary>
/// 生成AssetBundle 加载记录并记录其依赖的其他 AssetBundle
/// </summary>
/// <param name="assetBundleNameUri"></param>
/// <param name="assetBundle"></param>
/// <param name="allDependenceAssetBundleRecords"></param>
/// <returns></returns>
private static AssetBundleRecordInfor RecordAssetBundleDepdence(string assetBundleNameUri, AssetBundle assetBundle, Dictionary <string, AssetBundleRecordInfor> allDependenceAssetBundleRecords)
{
if (assetBundle == null)
{
Debug.LogError($"RecordAssetBundleDepdence Fail,AssetBundle NOT Exit {assetBundleNameUri}");
return(null);
}
AssetBundleRecordInfor assetBundleRecordInfor = AssetBundleRecordInfor.GetAssetBundleRecordInfor(assetBundleNameUri, assetBundle);
if (allDependenceAssetBundleRecords != null)
{
//记录依赖这些AssetBundle
foreach (var dependenceAssetBundleRecord in allDependenceAssetBundleRecords.Values)
{
assetBundleRecordInfor.AddDependenceAssetBudleRecord(dependenceAssetBundleRecord);
}
allDependenceAssetBundleRecords.Clear();
}
s_AllAssetBundleRecordInfors[assetBundleNameUri] = assetBundleRecordInfor;
return(assetBundleRecordInfor);
}
/// <summary>
/// 异步加载 AssetBundleRecordInfor 资源
/// </summary>
/// <param name="assetBundleNameUri">AssetBundle 文件名</param>
/// <param name="assetBundleDirectoryUri">AssetBundle 相对目录(可能是null)</param>
/// <param name="completeCallback"></param>
private static void LoadAssetBundleRecordAsync(string assetBundleNameUri, string assetBundleDirectoryUri, Action <AssetBundleRecordInfor> completeCallback)
{
if (string.IsNullOrEmpty(assetBundleNameUri))
{
Debug.LogError("LoadAssetBundleRecordAsync Fail,Parameter is null");
completeCallback?.Invoke(null);
return;
}
//缓存中取
AssetBundleRecordInfor assetBundleRecordInfor = LoadAssetBundleRecordInforFromCache(assetBundleNameUri);
if (assetBundleRecordInfor != null && assetBundleRecordInfor.IsAssetBundleEnable)
{
completeCallback?.Invoke(assetBundleRecordInfor);
return;
}
// 依赖加载AssetBundle 并递归记录依赖关系
Dictionary <string, string> dependenceBundlesPath = GetAssetBundleAllDependencies(assetBundleNameUri);
//key = assetBundleName
Dictionary <string, AssetBundleRecordInfor> allDependenceAssetBundleRecords = null;
if (dependenceBundlesPath != null && dependenceBundlesPath.Count > 0)
{
allDependenceAssetBundleRecords = new Dictionary <string, AssetBundleRecordInfor>(dependenceBundlesPath.Count);
int depdenceABundleCount = dependenceBundlesPath.Count;
foreach (var dependencePath in dependenceBundlesPath)
{
LoadAssetBundleRecordAsync(dependencePath.Key, dependencePath.Value, (dependenceRecord) =>
{
if (dependenceRecord == null)
{
Debug.LogError($"加载{dependencePath.Key} 的依赖资源{dependencePath.Value} 失败");
completeCallback?.Invoke(null);
return;
} //某个依赖加载失败
allDependenceAssetBundleRecords[dependencePath.Key] = dependenceRecord;
--depdenceABundleCount;
//全部以来加载完
if (depdenceABundleCount == 0)
{
AssetBundleCreateRequest requst = null;
if (string.IsNullOrEmpty(assetBundleDirectoryUri))
{
requst = LoadAssetBundleFromFileAsync(assetBundleNameUri);
}
else
{
requst = LoadAssetBundleFromFileAsync(assetBundleDirectoryUri.CombinePathEx(assetBundleNameUri));
}
if (requst == null)
{
Debug.LogError($"LoadAssetBundleRecordAsync Fail,AssetBundle NOT Exit {assetBundleNameUri}");
completeCallback?.Invoke(null);
return;
}
AsyncManager.StartAsyncOperation(requst, () => completeCallback?.Invoke(RecordAssetBundleDepdence(assetBundleNameUri, requst.assetBundle, allDependenceAssetBundleRecords)), null);
}
});
}
}
}
