private AssetPackABImpl LoadAssetPackAuto(string abname)
{
string[] deps = m_manifest.GetDirectDependencies(abname);
foreach (string depAbname in deps)
{
AssetPackABImpl depAp = GetAssetBundle(depAbname);
}
string abpath = Path.Combine(FileArtPath, abname);
AssetBundle ab = AssetBundle.LoadFromFile(abpath);
return(new AssetPackABImpl(ab));
}
private AssetPackABImpl GetAssetBundle(string abname)
{
AssetPackABImpl ap = null;
if (!m_ab_map.TryGetValue(abname, out ap))
{
ap = LoadAssetPackAuto(abname);
m_ab_map.Add(abname, ap);
}
ap.Lock();
return(ap);
}
public override void UnloadPack(string abname)
{
string realname = GetRealABName(abname);
//减去引用计数，当计数为0时卸载AB
AssetPackABImpl ap = null;
if (m_ab_map.TryGetValue(realname, out ap))
{
if (ap.Unlock())
{
ap.Unload();
string[] depNames = m_manifest.GetDirectDependencies(realname);
foreach (var depName in depNames)
{
UnloadPack(depName);
}
}
}
}
public override AssetPack LoadPack(string abname)
{
AssetPackABImpl ret = GetAssetBundle(GetRealABName(abname));
return(ret);
}