/// <summary>
/// 加载各个平台的总记录的ab的 manifest信息 这是加载ab的前提
/// </summary>
/// <returns></returns>
IEnumerator WWWLoadMainAssets()
{
VersionAssetData vad = mNameMD5Dic["Manifest"];
string url = StringBuilder(GetPlantFormat(), "/", vad.md5);
//只提供了测试加载,android不能通过File加载需要通过www方式
#if UNITY_IPHONE || UNITY_STANDALONE_WIN || UNITY_EDITOR
if (!File.Exists(url))
{
Debug.LogError("Manifest file not exist:" + url);
}
else
{
var fs = File.OpenRead(url);
int fsLen = (int)fs.Length;
byte[] heByte = new byte[fsLen];
//int r = fs.Read(heByte, 0, heByte.Length);
fs.Read(heByte, 0, heByte.Length);
string text = System.Text.Encoding.UTF8.GetString(heByte);
mMainManifest = IAssetBundleManifest.DeSerializate(text);
fs.Dispose();
}
#endif
yield return(null);
LoadAssets("prefab/cube", (o, obj) =>
{
Debug.Log(" 加载资源成功!!!");
GameObject.Instantiate(o);
});
}
/// <summary>
/// 生成依赖关系的文件
/// </summary>
static void MakeIAssetBundleManifest()
{
//var path = m_Assets + "/Manifest.xml";
//if (File.Exists(path)) {
// File.Delete(path);
//}
mIManifest = new IAssetBundleManifest();
var dic = new Dictionary <string, string[]>();
foreach (var abName in tempBuilds.Keys)
{
var build = tempBuilds[abName];
var dpList = new List <string>();
foreach (var path in build.assetNames)
{
var depends = AssetDatabase.GetDependencies(path);
foreach (var dpPath in depends)
{
if (dpPath.Contains(".cs") ||
dpPath.Contains(".mdb") ||
dpPath.Contains(".dll"))
{
continue;
}
if (path.Equals(dpPath))
{
continue;
}
if (mPath2ABName.ContainsKey(dpPath))
{
dpList.Add(mPath2ABName[dpPath]);
}
else
{
// Debug.LogError("错误！！！ 该依赖资源没有加入打包 " + dpPath);
}
}
}
dic[abName] = dpList.ToArray();
}
mIManifest.SetAsstDpNames(dic);
mIManifest.Serializate(m_RootDirectory, "Manifest");
// mIManifest.Serializate(Application.dataPath + "/AssetData", "Manifest");
// SetAsset("Manifest", path);
}
//反序列化
public static IAssetBundleManifest DeSerializate(string text)
{
IAssetBundleManifest manifest = new IAssetBundleManifest();
XmlDocument xml = new XmlDocument();
xml.LoadXml(text);
var nodes = xml.SelectNodes("root/assetbundle");
Debug.Log("DeSerializate " + nodes.Count);
foreach (XmlNode abNode in nodes)
{
var abName = abNode.Attributes.GetNamedItem("name").Value;
var dplist = new string[abNode.ChildNodes.Count];
var count = 0;
foreach (XmlNode dpNode in abNode.ChildNodes)
{
dplist[count] = dpNode.Attributes.GetNamedItem("name").Value;
count++;
}
manifest.assetDpNames[abName] = dplist;
}
return(manifest);
}
