/// <summary>
/// 将AB资源的路径格式转换为Resources目录中资源的路径
/// </summary>
/// <param name="abName"></param>
/// <param name="assetName"></param>
string AssetBundlePath2ResourcePath(string abName, string assetName)
{
abName = ABNameWithoutExtension(abName);
if (abName.ToLower() != HotResConst.SPECIAL_AB_NAME) //resources表示从根目录获取资源，则不需要添加目录
{
assetName = FileSystem.CombinePaths(abName, assetName);
}
return(assetName);
}
/// <summary>
/// 检查本地的文件，是否存在或者版本号是否一致
/// <para>PS：版本号一致需要MD5验证，开销较大，暂不加入</para>
/// </summary>
public void ConformingLocalRes()
{
foreach (var item in _vo.items)
{
var filePath = FileSystem.CombinePaths(Runtime.Ins.localResDir, item.name);
if (!File.Exists(filePath))
{
SetVer(item.name, "");
}
}
}
/// <summary>
/// 将资源所在路径以及资源名合并成一个完整的资源路径
/// </summary>
/// <param name="abName"></param>
/// <param name="assetName"></param>
/// <returns></returns>
public string LinkAssetPath(string abName, string assetName)
{
if (abName == null)
{
abName = "";
}
if (assetName == null)
{
assetName = null;
}
return(FileSystem.CombinePaths(abName, assetName));
}
public void Start(Action onUpdate, Action <string> onError)
{
Log.CI(Log.COLOR_BLUE, "「ManifestFileUpdate」Manifest描述文件更新检查...");
_rt = Runtime.Ins;
_manifestName = FileSystem.CombinePaths(HotResConst.AB_DIR_NAME, HotResConst.MANIFEST_FILE_NAME + HotResConst.AB_EXTENSION);
//Log.CI(Log.COLOR_RED, _manifestName);
_onUpdate = onUpdate;
_onError = onError;
_localPath = _rt.localResDir + _manifestName;
//比较版本号
if (Runtime.Ins.IsLoadAssetsFromNet && !_rt.netResVer.IsSameVer(_manifestName, _rt.localResVer))
{
ILBridge.Ins.StartCoroutine(Update(_rt.netResDir + _manifestName, _rt.netResVer.GetVer(_manifestName)));
}
else
{
InitAssetBundleMgr();
}
}
/// <summary>
/// 得到目标所有的依赖
/// </summary>
/// <param name="itemName"></param>
/// <returns></returns>
List <string> GetAllDepends(string itemName)
{
List <string> nameList = new List <string>();
string abDir = ResMgr.Ins.RootDir.Replace(Runtime.Ins.localResDir, "");
abDir += "/";
if (false == itemName.StartsWith(abDir))
{
return(nameList);
}
string abName = itemName.Replace(abDir, "");
var abDependList = ResMgr.Ins.GetDepends(abName);
foreach (var ab in abDependList)
{
nameList.Add(FileSystem.CombinePaths(abDir, ab));
}
return(nameList);
}
/// <summary>
/// 加载AB包，自动处理依赖问题
/// </summary>
/// <param name="abName"></param>
/// <returns></returns>
private AssetBundle LoadAssetBundle(string abName)
{
MakeABNameNotEmpty(ref abName);
abName = ABNameWithExtension(abName);
string abPath = FileSystem.CombinePaths(RootDir, abName);
if (false == File.Exists(abPath))
{
//加载的AB资源不存在
Log.E(string.Format("[{0}] 不存在", abPath));
return(null);
}
//依赖检查
string[] dependList = _manifest.GetAllDependencies(abName);
foreach (string depend in dependList)
{
//string dependPath = Path.Combine(_rootDir, depend);
if (false == _loadedABDic.ContainsKey(depend))
{
_loadedABDic[depend] = LoadAssetBundle(depend);
}
}
AssetBundle ab = null;
if (_loadedABDic.ContainsKey(abName))
{
ab = _loadedABDic[abName];
}
else
{
ab = AssetBundle.LoadFromFile(abPath);
_loadedABDic[abName] = ab;
}
return(ab);
}
/// <summary>
/// 将AB资源的路径格式转换为Resources目录中资源的路径
/// </summary>
/// <param name="abName"></param>
/// <param name="assetName"></param>
string AssetBundlePath2ResourcePath(string abName, string assetName)
{
try
{
abName = ABNameWithoutExtension(abName);
string dir;
if (abName.ToLower() != HotResConst.SPECIAL_AB_NAME) //resources表示从根目录获取资源，则不需要添加目录
{
dir = FileSystem.CombinePaths(_assetRoot, abName);
}
else
{
dir = FileSystem.CombinePaths(_assetRoot);
}
//模糊匹配资源名称
var files = Directory.GetFiles(dir);
foreach (var file in files)
{
if (Path.GetExtension(file) == ".meta")
{
continue;
}
if (Path.GetFileNameWithoutExtension(file) == assetName)
{
return(file);
}
}
}
catch
{
throw new Exception(string.Format("在[{0}]下无法找到资源文件[{1}/{2}]", _assetRoot, abName, assetName));
}
return(null);
}