public void Load(bool a_bAsync, UnityAction <AssetPackage> a_onLoadFinished)
{
if (LoadState == EAssetLoadState.Invalid)
{
_RegisterFinishedListener(a_onLoadFinished);
// 还没有加载，则根据加载命令a_bAsync，选择同步，或者异步加载
if (a_bAsync)
{
m_bundleLoadRequest = AssetBundle.LoadFromFileAsync(m_strPath);
// TODO 测试异步加载不存在的资源的情况
LoadState = EAssetLoadState.Loading;
}
else
{
m_assetBundle = AssetBundle.LoadFromFile(m_strPath);
_OnLoadFinished();
}
}
else if (LoadState == EAssetLoadState.Loading)
{
_RegisterFinishedListener(a_onLoadFinished);
}
else
{
// 加载已完成，则只需要直接执行回调
if (a_onLoadFinished != null)
{
a_onLoadFinished(this);
}
}
}
public void Unload()
{
if (LoadState == EAssetLoadState.Loading)
{
return;
}
Assert.IsTrue(
m_listOnLoadFinished.Count <= 0 &&
m_bundleLoadRequest == null
);
if (m_assetBundle != null)
{
m_assetBundle.Unload(false);
m_assetBundle = null;
}
LoadState = EAssetLoadState.Invalid;
}
private void _OnLoadFinished()
{
if (m_assetBundle == null)
{
Logger.Error("资源加载失败：{0}", m_strPath);
LoadState = EAssetLoadState.Error;
}
else
{
LoadState = EAssetLoadState.Done;
}
while (
m_listOnLoadFinished.Count > 0 &&
(LoadState == EAssetLoadState.Done || LoadState == EAssetLoadState.Error)
)
{
UnityAction <AssetPackage> unityAction = m_listOnLoadFinished[0];
m_listOnLoadFinished.RemoveAt(0);
unityAction(this);
}
}
