//根据单个AbName 加载AB
private AssetBundle LoadAssetBundle(string assetBundleName)
{
MAssetBundleItem assetBundleItem = null;
uint crc = MCrcHelper.GetCRC32(assetBundleName);
if (!m_assetBundleItemDic.TryGetValue(crc, out assetBundleItem))
{
AssetBundle assetBundle = null;
string fullPath = MPathUtils.ASSETBUNDLE_PATH + "/" + assetBundleName;
if (File.Exists(fullPath))
{
assetBundle = AssetBundle.LoadFromFile(fullPath);
}
if (assetBundle == null)
{
MDebug.singleton.AddErrorLog("没有找到这个AssetBundle " + assetBundleName);
}
assetBundleItem = m_assetBundleItemPool.Spawn(true);
assetBundleItem.assetBundle = assetBundle;
assetBundleItem.refCount++;
m_assetBundleItemDic.Add(crc, assetBundleItem);
}
else
{
assetBundleItem.refCount++;
}
return(assetBundleItem.assetBundle);
}
//释放单个Ab资源
private void UnLoadAssetBundle(string assetBundleName)
{
MAssetBundleItem mAssetBundleItem = null;
uint crc = MCrcHelper.GetCRC32(assetBundleName);
if (m_assetBundleItemDic.TryGetValue(crc, out mAssetBundleItem))
{
mAssetBundleItem.refCount--;
if (mAssetBundleItem.refCount <= 0 && mAssetBundleItem.assetBundle != null)
{
mAssetBundleItem.assetBundle.Unload(true);
mAssetBundleItem.Reset();
m_assetBundleItemPool.Recycle(mAssetBundleItem);
m_assetBundleItemDic.Remove(crc);
}
}
}
