/// <summary>
/// 加载资源入口
/// </summary>
public AssetFile OpenAsset(string assetname, Action <AssetFile> Actionfile, bool isAsync)
{
AssetFile file = null;
//????
//assetname = AssemblyAssetName(assetname);
if (files.TryGetValue(assetname, out file))
{
file.AddRefNum();
}
file = AssemblyAssetFile(assetname, isAsync);
if (isAsync)
{
drive.StartCoroutine(AsyncLoad(file, Actionfile));
}
else
{
SyncLoad(file);
}
return(file);
}
/// <summary>
/// 组装一个AssetFile
/// </summary>
private AssetFile AssemblyAssetFile(string filepath, bool isAsync)
{
AssetFile assetfile = new AssetFile(num++, filepath);
assetfile.onDestory += RemoveElement;
//将文件添加进加载过的files字典
files.Add(filepath, assetfile);
//查找到所有的依赖资源
string[] dps = manifest.GetAllDependencies(filepath);
for (int i = 0; i < dps.Length; i++)
{
AssetFile file = null;
//假设已经加载过了 引用计数加一 当前的AssetFile依赖文件加一
if (files.TryGetValue(dps[i], out file))
{
file.AddRefNum();
assetfile.Filelist.Add(file);
}
else
{
AssetFile newfile = AssemblyAssetFile(filepath, isAsync);
assetfile.Filelist.Add(file);
drive.StartCoroutine(AsyncLoad(newfile, null));
}
}
return(assetfile);
}
/// <summary>
/// 引用计数增加
/// </summary>
public void AddRefNum()
{
Count++;
for (int i = 0; i < Filelist.Count; i++)
{
AssetFile assetfile = Filelist[i];
assetfile.AddRefNum();
}
}