private void HintLoadAssetBundleAsync(AssetBundleHint hint, ResourceAsyncCallBack callback)
{
var mainRequest = new AsyncBundleCreateMainRequest();
var createRequest = HintCreateBundleAsync(hint);
mainRequest.callback = callback;
mainRequest.mainRequest = createRequest;
AddAsyncCallback(mainRequest, OnAssetBundleLoadComplete);
}
protected override void DoLoadAsync(string path, Type type, ResourceAsyncCallBack callBack)
{
var operation = Resources.LoadAsync(path, type);
var resourceRequest = new AsyncOperationRequest(operation)
{
state = callBack
};
AddAsyncCallback(resourceRequest, OnLoadAsyncComplete);
}
private void HintInvokeCallback(AssetBundleHint hint, ResourceAsyncCallBack callback)
{
var resourceRequest = new AsyncResourceRequest();
var asset = hint.mainAsset;
loadedAssetHintMap.Add(asset.GetInstanceID(), hint);
resourceRequest.isDone = true;
resourceRequest.asset = hint.mainAsset;
callback(resourceRequest);
}
private void HintLoadMainAssetAsync(AssetBundleHint hint, ResourceAsyncCallBack callBack)
{
//预定
HintIncreaseRefCount(hint);
if (hint.bundle == null)
{
HintLoadAssetBundleAsync(hint, callBack);
return;
}
DoHintLoadMainAssetAsync(hint, callBack);
}
protected void DoLoadAsync(string path, ResourceAsyncCallBack callback)
{
AssetBundleHint hint = HintGet(path);
if (hint != null)
{
HintLoadMainAssetAsync(hint, callback);
}
else
{
Debug.LogError("没有Asset资源");
callback(new AsyncResourceRequest());
}
}
private void DoHintLoadMainAssetAsync(AssetBundleHint hint, ResourceAsyncCallBack callBack)
{
if (hint.mainAsset != null)
{
HintInvokeCallback(hint, callBack);
return;
}
var request = hint.bundle.LoadAssetAsync(hint.assetName);
var assetRequest = new AsyncAssetRequest();
assetRequest.request = request;
assetRequest.callback = callBack;
assetRequest.hint = hint;
AddAsyncCallback(assetRequest, OnAssetLoadComplete);
}
protected override void DoLoadAsync <T>(string path, ResourceAsyncCallBack callBack)
{
DoLoadAsync(path, typeof(T), callBack);
}
protected override void DoLoadAsync(string path, Type type, ResourceAsyncCallBack callBack)
{
DoLoadAsync(path, callBack);
}
public void LoadAsync <T>(string path, ResourceAsyncCallBack callBack) where T : Object
{
DoLoadAsync <T>(path, callBack);
}
public void LoadAsync(string path, Type systemTypeInstance, ResourceAsyncCallBack callBack)
{
DoLoadAsync(path, systemTypeInstance, callBack);
}
public void LoadAsync(string path, ResourceAsyncCallBack callBack)
{
DoLoadAsync(path, typeof(Object), callBack);
}
protected abstract void DoLoadAsync <T>(string path, ResourceAsyncCallBack callBack) where T : Object;
protected abstract void DoLoadAsync(string path, Type type, ResourceAsyncCallBack callBack);
protected void AddAsyncCallback(IAsyncResourceRequest resourceRequest, ResourceAsyncCallBack callback)
{
_asyncCallBacks.Add(resourceRequest, callback);
}
