/// <summary>
/// ab包计数器
/// </summary>
/// <param name="hash"></param>
/// <param name="ab"></param>
private void AddAssetBundle(string hash, AssetBundle ab)
{
//
if (!assetbundleMap.ContainsKey(hash))
{
AssetBundleWapper abr = new AssetBundleWapper()
{
assetBundle = ab
};
assetbundleMap[hash] = abr;
}
assetbundleMap[hash].Use();
}
/// <summary>
/// 同步加载
/// </summary>
/// <param name="fullPath"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public T Load <T>(string path) where T : UnityEngine.Object
{
//BDebug.Log("加载:" + path);
//1.依赖路径
var dependAssets = config.Manifest.GetDirectDependenciesByName(path);
if (dependAssets == null)
{
return(null);
}
//同步加载
foreach (var res in dependAssets)
{
//1.判断是否有多个ab在1个Package中
var item = config.Manifest.GetManifestItemByHash(res);
var realPath = res;
//如果有package
if (item != null && !string.IsNullOrEmpty(item.Package))
{
realPath = item.Package;
}
if (!assetbundleMap.ContainsKey(realPath))
{
var p = FindAsset(realPath);
var ab = AssetBundle.LoadFromFile(p);
//添加
AddAssetBundle(realPath, ab);
}
else
{
AssetBundleWapper abw = null;
if (assetbundleMap.TryGetValue(realPath, out abw))
{
abw.Use();
}
else
{
return(null);
}
}
}
return(LoadFormAssetBundle <T>(dependAssets.Last()));
}
/// <summary>
/// 加载资源
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="abName"></param>
/// <param name="objName"></param>
/// <returns></returns>
private Object LoadFormAssetBundle(ManifestItem item, Type t)
{
//判断资源结构 是单ab-单资源、单ab-多资源
//单ab 单资源
var sourceName = item.Name;
//单ab 多资源
if (!string.IsNullOrEmpty(item.Package))
{
item = this.config.Manifest.GetManifestItemByHash(item.Package);
}
Object o = null;
AssetBundleWapper abr = null;
if (assetbundleMap.TryGetValue(item.Hash, out abr))
{
switch ((ManifestItem.AssetTypeEnum)item.Type)
{
//暂时需要特殊处理的只有一个
case ManifestItem.AssetTypeEnum.SpriteAtlas:
{
o = abr.LoadTextureFormAtlas(sourceName);
}
break;
default:
{
o = abr.LoadAsset(sourceName, t);
}
break;
}
}
else
{
BDebug.Log("资源不存在:" + sourceName, "red");
return(null);
}
return(o);
}
/// <summary>
/// 加载AssetBundle
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
private AssetBundle LoadAssetBundle(string path)
{
if (AssetbundleMap.ContainsKey(path))
{
AssetBundleWapper abw = null;
if (AssetbundleMap.TryGetValue(path, out abw))
{
abw.Use();
return(abw.AssetBundle);
}
}
else
{
var p = FindAsset(path);
var ab = AssetBundle.LoadFromFile(p);
//添加
AddAssetBundle(path, ab);
return(ab);
}
return(null);
}
