/// <summary>
/// 加载单个AssetBundle根据名字
/// </summary>
/// <param name="name">AB 包名</param>
/// <returns></returns>
AssetBundle LoadAssetBundle(string name)
{
TAssetBundleItem item = null;
uint crc = CRC32.GetCRC32(name);
if (!mAssetBundleItemDic.TryGetValue(crc, out item))
{
AssetBundle assetBundel = null;
string hotAbPath = HotPatchManager.Instance.ComputeABPath(name);
string fullpath = string.IsNullOrEmpty(hotAbPath) ? ABLoadPath + name : hotAbPath;
byte[] bytes = AES.AESFileByteDecrypt(fullpath, EdgeFrameworkConst.AESKEY);
assetBundel = AssetBundle.LoadFromMemory(bytes);
if (assetBundel == null)
{
Debug.LogError("Load AssetBundle Error:" + fullpath);
}
item = mAssetBundleItemPool.Allocate();
item.AB = assetBundel;
item.ReCount++;
mAssetBundleItemDic.Add(crc, item);
}
else
{
item.ReCount++;
}
return(item.AB);
}
/// <summary>
/// 加载单个assetbundle根据名字
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
private AssetBundle LoadAssetBundle(string name)
{
AssetBundleItem item = null;
uint crc = Crc32.GetCrc32(name);
if (!m_AssetBundleItemDic.TryGetValue(crc, out item))
{
AssetBundle assetBundle = null;
string hotABPath = HotPatchManager.Instance.ComputeABPath(name);
//如果有热更的，走热更，没有就走本地
string fullPath = string.IsNullOrEmpty(hotABPath) ? ABLoadPath + name : hotABPath;
byte[] bytes = AES.AESFileByteDecrypt(fullPath, "Ocean");
assetBundle = AssetBundle.LoadFromMemory(bytes);
if (assetBundle == null)
{
Debug.LogError(" Load AssetBundle Error:" + fullPath);
}
item = m_AssetBundleItemPool.Spawn(true);
item.assetBundle = assetBundle;
item.RefCount++;
m_AssetBundleItemDic.Add(crc, item);
}
else
{
item.RefCount++;
}
return(item.assetBundle);
}
static void DecryptAssetBunld()
{
string path = Application.streamingAssetsPath + "/" + EditorUserBuildSettings.activeBuildTarget + "/panel";
// 对AB包进行解密
byte[] bytes = AES.AESFileByteDecrypt(path, SECRET_KEY);
// 从内存中加载AB包
AssetBundle ab = AssetBundle.LoadFromMemory(bytes);
// 加载AB包中的名字为Panel预制体
GameObject prefab = ab.LoadAsset <GameObject>("Panel");
// 实例化预制体到Canvas下
GameObject.Instantiate(prefab, GameObject.Find("Canvas").transform);
}
/// <summary>
/// 加载ab配置表
/// </summary>
/// <returns></returns>
public bool LoadAssetBundleConfig()
{
#if UNITY_EDITOR
if (!ResourceManager.Instance.m_LoadFormAssetBundle)
{
return(false);
}
#endif
m_ResouceItemDic.Clear();
string configPath = ABLoadPath + m_ABConfigABName;
string hotABPath = HotPatchManager.Instance.ComputeABPath(m_ABConfigABName);
configPath = string.IsNullOrEmpty(hotABPath) ? configPath : hotABPath;
byte[] bytes = AES.AESFileByteDecrypt(configPath, "Ocean");
AssetBundle configAB = AssetBundle.LoadFromMemory(bytes);
TextAsset textAsset = configAB.LoadAsset <TextAsset>(m_ABConfigABName);
if (textAsset == null)
{
Debug.LogError("AssetBundleConfig is no exist!");
return(false);
}
MemoryStream stream = new MemoryStream(textAsset.bytes);
BinaryFormatter bf = new BinaryFormatter();
AssetBundleConfig config = (AssetBundleConfig)bf.Deserialize(stream);
stream.Close();
for (int i = 0; i < config.ABList.Count; i++)
{
ABBase abBase = config.ABList[i];
ResouceItem item = new ResouceItem();
item.m_Crc = abBase.Crc;
item.m_AssetName = abBase.AssetName;
item.m_ABName = abBase.ABName;
item.m_DependAssetBundle = abBase.ABDependce;
if (m_ResouceItemDic.ContainsKey(item.m_Crc))
{
Debug.LogError("重复的Crc 资源名:" + item.m_AssetName + " ab包名：" + item.m_ABName);
}
else
{
m_ResouceItemDic.Add(item.m_Crc, item);
}
}
return(true);
}
