/// <summary>
/// 根据build assetbundle后返回的AssetBundleManifest 生成一个本次AssetBundle的信息文件，包含所有的AssetBundle文件名与其hash值。
/// </summary>
/// <param name="mf">build assetbundle后返回的manifest对象</param>
/// <param name="versionName">一般是平台名字，也可以加其他文件夹在</param>
private static void GenABVersionInfo(AssetBundleManifest mf, string versionName)
{
var abpi = ABSH.GetABInfoXmlPath(versionName);
XmlDocument xmlDoc = null;
//创建XML文档实例
xmlDoc = new XmlDocument();
XmlElement AllRoot = xmlDoc.CreateElement(AssetBundleSettingHelper.xmlNode_AssetBundles);
//创建个时间属性，可以更直观的对比不同版本的
AllRoot.SetAttribute(AssetBundleSettingHelper.xmlAttribute_CreateTime, VersionInfo.GetVersionString());
xmlDoc.AppendChild(AllRoot);
//输出结果按名字排序，以后要对比两个文件也方面一些
var abNames = mf.GetAllAssetBundles().OrderBy(n => n).Select(key => AssetBundleSettingHelper.PathToPlatformFormat(key).ToLower());
List <KeyValuePair <long, XmlElement> > allE = new List <KeyValuePair <long, XmlElement> >();
foreach (var abName in abNames)
{
//bundle大小也输出一下
FileInfo fi = new FileInfo(AssetBundleSettingHelper.Combine(abpi.Dir_Relative, abName));
{
//把bundle大小也写到AB依赖中
string name = abName.Substring(0, abName.IndexOf(ABSH.AssetBundelExtName));
var drac = ABDependenciesPositive.GetDRAC(name, true);
if (drac != null)
{
drac.FinalSize = fi.Length;
}
}
var hash = mf.GetAssetBundleHash(abName);
XmlElement node = xmlDoc.CreateElement(AssetBundleSettingHelper.xmlNode_AB);
node.SetAttribute(AssetBundleSettingHelper.xmlNode_Name, abName);
node.SetAttribute(AssetBundleSettingHelper.xmlNode_Hash, hash.ToString());
node.SetAttribute(AssetBundleSettingHelper.xmlNode_ABSize, fi.Length.ToString());
if (fi.Length < 1024)
{
node.SetAttribute(AssetBundleSettingHelper.xmlNode_ABSizeXB, ((float)fi.Length).ToString() + " B");
}
else if (fi.Length >= 1024 && fi.Length < 1024 * 1024)
{
node.SetAttribute(AssetBundleSettingHelper.xmlNode_ABSizeXB, ((float)fi.Length / 1024).ToString("f3") + " KB");
}
else
{
node.SetAttribute(AssetBundleSettingHelper.xmlNode_ABSizeXB, ((float)fi.Length / (1024 * 1024)).ToString("f3") + " MB");
}
allE.Add(new KeyValuePair <long, XmlElement>(fi.Length, node));
}
foreach (var node in allE.OrderByDescending(k => k.Key).ThenBy(k => k.Value.GetAttribute(AssetBundleSettingHelper.xmlNode_Name)))
{
AllRoot.AppendChild(node.Value);
}
//同名文件直接覆盖
xmlDoc.Save(abpi.FullName);
xmlDoc = VersionInfo.OutputXmlDoc();
abpi = ABSH.GetABXmlPath(versionName, VersionXmlInfo.FileName);
xmlDoc.Save(abpi.FullName);
}
/// <summary>
/// 整个文件夹拷贝功能
/// </summary>
/// <param name="srcPath">源文件夹</param>
/// <param name="tarPath">目标文件夹</param>
private static void CopyFolder(string srcPath, string tarPath)
{
if (!Directory.Exists(srcPath))
{
return;
}
if (!Directory.Exists(tarPath))
{
Directory.CreateDirectory(tarPath);
}
CopyFile(srcPath, tarPath);
string[] directionName = Directory.GetDirectories(srcPath);
foreach (string dirPath in directionName)
{
string directionPathTemp = AssetBundleSettingHelper.Combine(tarPath, dirPath.Substring(srcPath.Length + 1));
CopyFolder(dirPath, directionPathTemp);
}
}
/// <summary>
/// 文件夹下具体文件的拷贝，.meta .manifest和xml文件目前不拷贝
/// </summary>
/// <param name="srcPath">源文件夹</param>
/// <param name="tarPath">目标文件夹</param>
private static void CopyFile(string srcPath, string tarPath)
{
string[] filesList = Directory.GetFiles(srcPath);
//.meta文件会自动生成，不需要拷贝
//.manifest对于实际加载AB没有意义，不需要拷贝
//.xml目前是用来记录AB信息的，不需要运行时加载，不需要拷贝
foreach (string f in filesList.Where(f => !f.EndsWith(".meta") && !f.EndsWith(".manifest") && (!f.EndsWith(".xml") || f.EndsWith(VersionXmlInfo.FileName + AssetBundleSettingHelper.xmlExtName))))
{
string fTarPath = AssetBundleSettingHelper.Combine(tarPath, f.Substring(srcPath.Length + 1));
if (File.Exists(fTarPath))
{
File.Copy(f, fTarPath, true);
}
else
{
File.Copy(f, fTarPath);
}
}
}
/// <summary>
/// 整个文件夹拷贝功能
/// </summary>
/// <param name="srcPath">源文件夹</param>
/// <param name="tarPath">目标文件夹</param>
private static void CopyFolder(string srcPath, string tarPath)
{
if (!Directory.Exists(srcPath))
{
AssetBundleHelper.TestLog("!Directory.Exists(srcPath):" + srcPath);
return;
}
if (!Directory.Exists(tarPath))
{
AssetBundleHelper.TestLog("Directory.CreateDirectory(tarPath)" + tarPath);
Directory.CreateDirectory(tarPath);
}
string[] directionName = Directory.GetDirectories(srcPath);
foreach (string dirPath in directionName)
{
string directionPathTemp = AssetBundleSettingHelper.Combine(tarPath, dirPath.Substring(srcPath.Length + 1));
CopyFolder(dirPath, directionPathTemp);
}
//让最外层在最后拷贝
CopyFile(srcPath, tarPath);
}