/// <summary>
/// 加载各个平台的总记录的ab
/// </summary>
/// <returns></returns>
IEnumerator WWWLoadMainAssets()
{
string url = GetMainABPath();
VersionAssetData vad = mNameMD5Dic[mMainABPath];
yield return(null);
WWW mainWWW = new WWW(url);
yield return(mainWWW);
if (mainWWW.error != null)
{
Debug.LogError("WWWLoadMainAssets Error:" + url);
}
else
{
AssetBundle ab = mainWWW.assetBundle;
mMainManifest = (AssetBundleManifest)ab.LoadAsset("AssetBundleManifest");
ab.Unload(false);
//开始加载任务队列
//yield return StartCoroutine(Run());
if (OnAssetsPrepareComplete != null)
{
OnAssetsPrepareComplete();
OnAssetsPrepareComplete = null;
}
else
{
Debug.LogError("OnAssetsPrepareComplete is null");
}
}
}
/// <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>
/// 下载资源包
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
private IEnumerator DownloadAssetBundle(VersionAssetData data)
{
string loadPath = GetAssetServerPath(data.path, data.md5);
WWW www = new WWW(ComTool.FormatTickUrl(loadPath));
yield return(www);
if (www.error != null)
{
Debug.LogError("DownloadAssetBundle Error:" + data.name);
SendErrorCode(404);
}
else
{
if (CheckDataValid(data, www.bytes))
{
WriteAssetOnLocal(data, www.bytes);
}
else
{
Debug.LogError("CheckDataValid false:" + data.name);
}
}
www.Dispose();
}
IEnumerator SetMD5AssetsList()
{
mNameMD5Dic = new Dictionary <string, VersionAssetData>();
string localPath = mLocalResRootPath + "/" + RVL;
#if UNITY_STANDALONE_WIN || UNITY_EDITOR
localPath = mLocalResRootPath + "/" + RVL;
#elif UNITY_ANDROID
localPath = mLocalResRootPath + "/" + RVL;
#elif UNITY_IPHONE
localPath = mLocalResRootPath + "/" + RVL;
#endif
//WWW localWWW = new WWW("File://" + localPath);
if (!File.Exists(localPath))
{
Debug.LogError("SetMD5AssetsList file not exist:" + localPath);
}
else
{
using (FileStream fs = new FileStream(localPath, FileMode.Open)) {
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);
XmlDocument document = new XmlDocument();
document.LoadXml(text);
XmlNode root = document.SelectSingleNode("root");
foreach (XmlNode _node in root.ChildNodes)
{
XmlElement node = _node as XmlElement;
if (node == null)
{
continue;
}
if (node.Name.Equals("asset"))
{
VersionAssetData loadAsset = new VersionAssetData();
loadAsset.name = node.GetAttribute("name");
loadAsset.md5 = node.GetAttribute("md5");
loadAsset.size = System.Convert.ToInt32(node.GetAttribute("size"));
loadAsset.path = node.GetAttribute("path");
if (!mNameMD5Dic.ContainsKey(loadAsset.name))
{
mNameMD5Dic.Add(loadAsset.name, loadAsset);
}
}
}
Debug.Log("mNameMD5Dic Count " + mNameMD5Dic.Count);
yield return(StartCoroutine(WWWLoadMainAssets()));
}
}
}
/// <summary>
/// 检测资源完整合理性
/// </summary>
/// <param name="data"></param>
/// <param name="bytes"></param>
/// <returns></returns>
private bool CheckDataValid(VersionAssetData data, byte[] bytes)
{
string md5 = GetMd5(bytes);
if (data.md5 != md5)
{
SendErrorCode(401);
}
return(true);
}
/// <summary>
/// 更新本地资源版本列表
/// </summary>
/// <param name="data"></param>
private void UpdateLocalRVL(VersionAssetData data)
{
if (m_LocalRVLDic == null)
{
m_LocalRVLDic = new Dictionary <string, VersionAssetData>();
}
string name = GetAssetName(data.name);
if (m_LocalRVLDic.ContainsKey(name))
{
m_LocalRVLDic[name] = data;
}
else
{
m_LocalRVLDic.Add(name, data);
}
WriteLocalRVL();
}
/// <summary>
/// 写入资源到本地
/// </summary>
/// <param name="data"></param>
/// <param name="bytes"></param>
private void WriteAssetOnLocal(VersionAssetData data, byte[] bytes)
{
//删除之前存在的旧md5码资源
if (m_LocalRVLDic != null)
{
if (m_LocalRVLDic.ContainsKey(data.name))
{
string oldPath = m_LocalResRootPath + "/" + m_LocalRVLDic[data.name].md5;
if (File.Exists(oldPath))
{
File.Delete(oldPath);
}
}
}
string localPath = GetAssetLocalPath(data.path, data.md5);
FileInfo t = new FileInfo(localPath);
if (t.Exists)
{
DeleteAsset(localPath);
}
try
{
if (!t.Exists)
{
Directory.CreateDirectory(t.DirectoryName);
}
File.WriteAllBytes(localPath, bytes);
}
catch (System.Exception ex)
{
Debug.LogError(ex.ToString());
SendErrorCode(201);
}
UpdateLocalRVL(data);
}
/// <summary>
/// 获取主ab资源地址
/// </summary>
/// <returns></returns>
private string GetMainABPath()
{
string url = "";
VersionAssetData vad = mNameMD5Dic[mMainABPath];
if (File.Exists(mLocalResRootPath + "/" + vad.md5))
{
#if UNITY_STANDALONE_WIN || UNITY_EDITOR
url = "File://" + mLocalResRootPath + "/" + vad.md5;
#elif UNITY_ANDROID
url = "File://" + mLocalResRootPath + "/" + vad.md5;
#elif UNITY_IPHONE
url = "File://" + mLocalResRootPath + "/" + vad.md5;
#endif
return(url);
}
else
{
url = mStreamResRootPath + "/" + vad.md5;
return(url);
}
}
/// <summary>
/// 解析资源版本列表
/// </summary>
/// <param name="xml"></param>
/// <returns></returns>
private Dictionary <string, VersionAssetData> ParserResVersionList(string xml, ref string version)
{
XmlDocument document = new XmlDocument();
document.LoadXml(xml);
Dictionary <string, VersionAssetData> resVersionList = new Dictionary <string, VersionAssetData>();
XmlNode root = document.SelectSingleNode("root");
XmlElement rootNode = root as XmlElement;
if (rootNode != null)
{
version = rootNode.GetAttribute("version");
}
foreach (XmlNode _node in root.ChildNodes)
{
XmlElement node = _node as XmlElement;
if (node == null)
{
continue;
}
if (node.Name == "asset")
{
VersionAssetData loadAsset = new VersionAssetData();
loadAsset.name = node.GetAttribute("name");
loadAsset.md5 = node.GetAttribute("md5");
loadAsset.size = System.Convert.ToInt32(node.GetAttribute("size"));
loadAsset.path = node.GetAttribute("path");
string name = GetAssetName(loadAsset.name);
if (!resVersionList.ContainsKey(name))
{
resVersionList.Add(name, loadAsset);
}
}
}
return(resVersionList);
}
/// <summary>
/// 真正加载的地方
/// </summary>
/// <param name="path"></param>
/// <param name="dp"></param>
/// <param name="cb"></param>
/// <param name="obj"></param>
/// <returns></returns>
void SynLoadAssets(string path, bool dp, object obj, LoadComplete cb)
{
if (mNameMD5Dic.ContainsKey(path))
{
VersionAssetData vad = mNameMD5Dic[path];
string url = GetAssetsFilePath(vad.path, vad.md5);
AssetBundle ab = null;
if (!dp)
{
// 作为主资源加载的
AssetsBundleData abd = null;
if (mAssetsABDic.ContainsKey(path))//已经被加载过 计数器自增
{
abd = mAssetsABDic[path];
abd.depIndex += 1;
ab = abd.ab;
}
else
{
// 新加载的
ab = AssetBundle.LoadFromFile(url);
abd = new AssetsBundleData();
abd.name = path;
abd.depIndex = 1;
abd.ab = ab;
mAssetsABDic.Add(path, abd);
}
string[] dpAbs = mMainManifest.GetAllDependencies(path); //取这个资源的所有依赖资源
#region
if (dpAbs != null && dpAbs.Length == 0) //没有依赖 获取资源
{
UnityEngine.Object o = GetObj(ab, path);
if (cb != null)
{
cb.Invoke(o, obj);
}
}
#endregion
#region
else
{
//存在依赖资源
#region
for (int i = 0; i < dpAbs.Length; i++)
{
if (mAssetsABDic.ContainsKey(dpAbs[i]))
{
// 依赖计数器中已经存在了 计数器+1
abd = mAssetsABDic[dpAbs[i]];
abd.depIndex += 1;
}
else
{
SynLoadAssets(dpAbs[i], true, obj, cb);
}
}
//依赖都加载完毕了 再看主资源
UnityEngine.Object o = GetObj(ab, path);
if (cb != null)
{
cb.Invoke(o, obj);
}
#endregion
}
}
#endregion
else
{
// 作为被依赖资源下载
AssetsBundleData abd = null;
if (mAssetsABDic.ContainsKey(path))
{
abd = mAssetsABDic[path];
abd.depIndex += 1;
}
else//被依赖的 缓存
{
ab = AssetBundle.LoadFromFile(url);
abd = new AssetsBundleData();
abd.name = path;
abd.depIndex = 1;
abd.ab = ab;
mAssetsABDic.Add(path, abd);
}
}
}
else
{
Debug.LogError("cannot find:" + path);
}
}
/// <summary>
/// 取资源的md5信息
/// </summary>
/// <returns></returns>
IEnumerator SetMD5AssetsList()
{
mNameMD5Dic = new Dictionary <string, VersionAssetData>();
string localPath = mLocalResRootPath + "/" + RVL;
#if UNITY_STANDALONE_WIN || UNITY_EDITOR
localPath = mLocalResRootPath + "/" + RVL;
#elif UNITY_ANDROID
localPath = mLocalResRootPath + "/" + RVL;
#elif UNITY_IPHONE
localPath = mLocalResRootPath + "/" + RVL;
#endif
yield return(null);
WWW localWWW = new WWW("File://" + localPath);
yield return(localWWW);
if (localWWW.error != null)
{
if (mIndex > 5)
{
Debug.LogError("can not find:" + localPath);
}
else
{
mIndex += 1;
Debug.LogError("test www load:" + mIndex);
yield return(new WaitForSeconds(0.5f));
StartCoroutine(SetMD5AssetsList());
}
}
else
{
mIndex = 0;
XmlDocument document = new XmlDocument();
document.LoadXml(localWWW.text);
XmlNode root = document.SelectSingleNode("root");
foreach (XmlNode _node in root.ChildNodes)
{
XmlElement node = _node as XmlElement;
if (node == null)
{
continue;
}
if (node.Name == "asset")
{
VersionAssetData loadAsset = new VersionAssetData();
loadAsset.name = node.GetAttribute("name");
loadAsset.md5 = node.GetAttribute("md5");
loadAsset.size = System.Convert.ToInt32(node.GetAttribute("size"));
loadAsset.path = node.GetAttribute("path");
if (!mNameMD5Dic.ContainsKey(loadAsset.name))
{
mNameMD5Dic.Add(loadAsset.name, loadAsset);
}
}
}
yield return(StartCoroutine(WWWLoadMainAssets()));
}
}
/// <summary>
/// 加载资源包
/// </summary>
/// <param name="dpName"></param>
/// <param name="mainName">主资源名称</param>
/// <returns></returns>
IEnumerator WWWLoadAssets(string name, bool dp)
{
if (mAssetsABDic.ContainsKey(name))
{
AssetsBundleData abd = mAssetsABDic[name];
abd.depIndex += 1;
}
else
{
if (mNameMD5Dic.ContainsKey(name))
{
VersionAssetData vad = mNameMD5Dic[name];
/*
* string url = GetAssetsWWWPath(vad.path, vad.md5);
* WWW abWWW = new WWW(url);
* yield return abWWW;
*/
string url = GetAssetsFilePath(vad.path, vad.md5);
byte[] bytes = ComTool.ReadFile(url);
if (bytes != null)
{
AssetBundle ab = null;
if (!dp)
{ //作为主资源加载的
ab = AssetBundle.LoadFromMemory(bytes);
string[] dpAbs = mMainManifest.GetAllDependencies(name); //取这个资源的所有依赖资源
if (dpAbs.Length == 0) //没有依赖
{
#region
AssetsBundleData abd = new AssetsBundleData();
abd.name = name;
abd.depIndex = 1;
abd.ab = ab;
mAssetsABDic.Add(name, abd);
#endregion
}
else
{ //存在依赖资源
#region
for (int i = 0; i < dpAbs.Length; i++)
{
if (mAssetsABDic.ContainsKey(dpAbs[i]))
{ //依赖计数器中已经存在了 计数器+1
AssetsBundleData abd = mAssetsABDic[dpAbs[i]];
abd.depIndex += 1;
}
else
{
yield return(StartCoroutine(WWWLoadAssets(dpAbs[i], true)));
}
}
#endregion
//依赖都加载完毕了 再看主资源
#region
if (!mAssetsABDic.ContainsKey(name))
{
AssetsBundleData abd = new AssetsBundleData();
abd.name = name;
abd.depIndex = 1;
abd.ab = ab;
mAssetsABDic.Add(name, abd);
}
else
{
AssetsBundleData abd = mAssetsABDic[name];
abd.depIndex += 1;
}
#endregion
}
}
else
{//作为被依赖资源下载
AssetsBundleData abd = null;
if (mAssetsABDic.ContainsKey(name))
{
abd = mAssetsABDic[name];
abd.depIndex += 1;
}
else
{
ab = AssetBundle.LoadFromMemory(bytes);
abd = new AssetsBundleData();
abd.name = name;
abd.depIndex = 1;
abd.ab = ab;
mAssetsABDic.Add(name, abd);
}
}
if (!dp)
{ //资源包加载完成计数+1
mLoadedNum += 1;
//Debug.LogError("module loaded num:" + mLoadedNum);
}
}
else
{
Debug.LogError("cannot find:" + url);
}
}
}
}