public static void LoadPrefab(string path)
{
AssetBundle ab = AssetBundle.LoadFromFile(AssetBundleManager.BundleTargetPath + AssetBundleManager.m_ABConfigABName);
TextAsset ta = ab.LoadAsset <TextAsset>("AssetBundleConfig");
MemoryStream ms = new MemoryStream(ta.bytes);
BinaryFormatter bf = new BinaryFormatter();
AssetBundleConfig ab_config = (AssetBundleConfig)bf.Deserialize(ms);
ms.Close();
uint crc = Crc32.GetCrc32(path);
AssetBundleBase ab_base = null;
for (int i = 0; i < ab_config.ABList.Count; i++)
{
if (crc == ab_config.ABList[i].Crc)
{
ab_base = ab_config.ABList[i];
break;
}
}
if (ab_base == null)
{
Debug.LogError("LoadAssetManager.LoadPrefab:预制不存在,path:" + path);
return;
}
for (int i = 0; i < ab_base.ABDependce.Count; i++)
{
AssetBundle.LoadFromFile(AssetBundleManager.BundleTargetPath + "/" + ab_base.ABDependce[i]);
}
AssetBundle asset_bundle = AssetBundle.LoadFromFile(AssetBundleManager.BundleTargetPath + "/" + ab_base.ABName);
GameObject.Instantiate(asset_bundle.LoadAsset <GameObject>(ab_base.ABName));
}
/// <summary>
/// 读取AB包的配置
/// </summary>
/// <returns></returns>
public bool LoadAssetBundleConfig()
{
//编译器中streamingAssets目录不放东西 从外部文件夹读取
//所以返回false 否则读不到
#if UNITY_EDITOR
if (!ResourceManager.Instance.m_LoadFormAssetBundle)
{
return(false);
}
#endif
//游戏开始时加载
string path = BundleTargetPath + m_ABConfigABName;//Config的AB路径
AssetBundle ab_config = AssetBundle.LoadFromFile(path);
//这个string参数不区分大小写 Mainfest的Asset文件
TextAsset ta = ab_config.LoadAsset <TextAsset>(m_ABConfigABName);
if (ta == null)
{
Debug.LogError("AssetBundleManager.LoadAssetBundleConfig() not exist path:" + path);
return(false);
}
//反序列化
MemoryStream ms = new MemoryStream(ta.bytes);
BinaryFormatter bf = new BinaryFormatter();
AssetBundleConfig config = (AssetBundleConfig)bf.Deserialize(ms);
ms.Close();
//赋值ResourceItem
for (int i = 0; i < config.ABList.Count; i++)
{
AssetBundleBase ab_base = config.ABList[i];
// ab_base.Print();
ResourceItem item = new ResourceItem();
item.m_Crc = ab_base.Crc;
item.m_ABName = ab_base.ABName;
item.m_AssetName = ab_base.AssetName;
item.m_ABDependce = ab_base.ABDependce;
if (m_ResourceItemDic.ContainsKey(item.m_Crc))
{
Debug.LogError("AssetBundleManager.LoadAssetBundleConfig() Crc is exist ABName:" + ab_base.ABName + " AssetName:" + ab_base.AssetName);
continue;
}
//加载的资源信息保存
m_ResourceItemDic.Add(item.m_Crc, item);
}
return(true);
}
/// <summary>
/// 参照カウンターの取得
/// </summary>
/// <param name="manager">マネージャー</param>
/// <returns>参照カウンター</returns>
public static int GetReferenceCount(this AssetBundleBase assetBundle)
{
return(assetBundle.referenceCount);
}
//将需要的配置生成xml 和 binary
static void WriteData(Dictionary <string, string> path_dic)
{
AssetBundleConfig ab_config = new AssetBundleConfig();
ab_config.ABList = new List <AssetBundleBase>();
foreach (string path in path_dic.Keys)
{
//path在有效目录下
if (!LogTool.IsPathContains(path, m_VaildDir))
{
continue;
}
AssetBundleBase ab_base = new AssetBundleBase();
ab_base.Path = path;
ab_base.ABName = path_dic[path];
ab_base.AssetName = path.Remove(0, path.LastIndexOf('/') + 1);
ab_base.Crc = Crc32.GetCrc32(path);
ab_base.ABDependce = new List <string>();
string[] all_depend = AssetDatabase.GetDependencies(path);
for (int i = 0; i < all_depend.Length; i++)
{
if (path == all_depend[i] || all_depend[i].EndsWith(".cs"))
{
continue;
}
string name;
if (path_dic.TryGetValue(all_depend[i], out name))
{
if (name == ab_base.ABName)//ABName已经添加过了
{
continue;
}
if (!ab_base.ABDependce.Contains(name))
{
ab_base.ABDependce.Add(name);
}
}
}
ab_config.ABList.Add(ab_base);
}
//写入xml
string xml_path = Application.dataPath + "/Script/7-Frame/2-Bundle/AssetBundleConfig.xml";
if (File.Exists(xml_path))
{
File.Delete(xml_path);
}
FileStream fs = new FileStream(xml_path, FileMode.Create);
StreamWriter sw = new StreamWriter(fs, System.Text.Encoding.UTF8);
XmlSerializer xs = new XmlSerializer(ab_config.GetType());
xs.Serialize(sw, ab_config);
sw.Close();
fs.Close();
//写入binary
foreach (AssetBundleBase ab_base in ab_config.ABList)
{
ab_base.Path = "";//使用CRC计算出path，所以不需要path
}
fs = new FileStream(BINARY_PATH, FileMode.Create);
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, ab_config);
fs.Close();
}
