/// <summary>
/// 获取资源
/// </summary>
public T GetAsset <T>(string abPath, string assetName) where T : UnityEngine.Object
{
T asset = null;
AssetBundleTask task = GetTask(abPath, false);
task?.Load((ab) =>
{
asset = ab?.LoadAsset <T>(assetName);
});
return(asset);
}
/// <summary>
/// 加载AB包
/// </summary>
public AssetBundle LoadAssetBundle(string abPath)
{
AssetBundle assetbundle = null;
AssetBundleTask task = GetTask(abPath, false);
task?.Load((ab) =>
{
assetbundle = ab;
});
return(assetbundle);
}
/// <summary>
/// 卸载
/// </summary>
public void Unload(string abPath, bool unloadAllLoadedObjects)
{
string abKey = GetAbKey(abPath);
AssetBundleTask task = this[abKey];
if (task != null)
{
task.Unload(unloadAllLoadedObjects);
_taskDic?.Remove(abKey);
}
}
/// <summary>
/// 获取任务
/// </summary>
private AssetBundleTask GetTask(string abPath, bool async)
{
string abKey = GetAbKey(abPath);
AssetBundleTask task = this[abKey];
if (task == null)
{
task = new AssetBundleTask(abPath, async);
this[abKey] = task;
}
return(task);
}
/// <summary>
/// 异步获取资源
/// </summary>
public void GetAssetAsync <T>(string abPath, string assetName, Action <T> callback, Action <float> progressCallback = null) where T : UnityEngine.Object
{
AssetBundleTask task = GetTask(abPath, true);
task?.Load((ab) =>
{
Task.CreateTask(GetAssetAsync(ab, assetName, (asset) =>
{
callback?.Invoke(asset as T);
}, (progress) =>
{
progressCallback?.Invoke(progress * 0.5f + 0.5f);
}));
}, (progress) =>
{
progressCallback?.Invoke(progress * 0.5f);
});
}
private AssetBundleTask this[string key]
{
get
{
AssetBundleTask task = null;
if (!string.IsNullOrEmpty(key))
{
_taskDic?.TryGetValue(key, out task);
}
return(task);
}
set
{
if (!string.IsNullOrEmpty(key))
{
_taskDic[key] = value;
}
}
}
/// <summary>
/// 异步加载AB包
/// </summary>
public void LoadAssetBundleAsync(string abPath, Action <AssetBundle> callback, Action <float> progressCallback)
{
AssetBundleTask task = GetTask(abPath, true);
task?.Load(callback, progressCallback);
}
