/// <summary>
/// 检查是否已在缓存
/// </summary>
/// <param name="group">加载组</param>
/// <param name="name">AssetBundle名称</param>
/// <param name="callback">完成回调</param>
/// <param name="persistent">是否常驻</param>
/// <param name="async">是否异步</param>
/// <returns>已缓存(是-引用计数+1,并返回true, 否-返回false)</returns>
public bool CheckAssetBundleInfo(LoaderGroup group, string name, LoaderGroupCompleteCallback callback,
bool persistent, bool async)
{
AssetBundleInfo assetBundleInfo = GetAssetBundleInfo(name, persistent);
if (null == assetBundleInfo)
{
AddAssetBundleInfo(name, persistent);
return(false);
}
if (null == assetBundleInfo.assetBundle)
{
return(false);
}
if (null != callback)
{
if (!async)
{
callback(group, assetBundleInfo);
}
else
{
m_LoaderTask.AddAsyncCallback(callback, group, assetBundleInfo);
}
}
return(true);
}
/// <summary>
/// 添加加载任务
/// </summary>
/// <param name="group">加载组</param>
/// <param name="type">类型</param>
/// <param name="path">路径</param>
/// <param name="param">附加参数</param>
/// <param name="completeCallback">回调</param>
/// <param name="async">异步</param>
/// <param name="priority">优先级</param>
/// <param name="insert">插入</param>
/// <returns></returns>
public void AddLoadTask(LoaderGroup group, LoaderType type, string path, object param,
LoaderGroupCompleteCallback completeCallback, bool async,
LoadPriority priority = LoadPriority.Normal, bool insert = false)
{
if (!async)
{
Loader loader = GetLoader(type, path, param, false);
PushCallback(loader, (data) =>
{
completeCallback?.Invoke(group, data);
});
loader.Start();
ReleaseLoader(loader);
return;
}
if (group == null)
{
group = PopGroup(priority);
}
group.Add(type, path, param, completeCallback, true, insert);
}
/// <summary>
/// 更新
/// </summary>
private void UpdateGroup()
{
int index = 0;
while (index < m_ListLoaderGroups.Count)
{
LoaderGroup group = m_ListLoaderGroups[index];
group.Update();
if (group.isFinish)
{
LoaderGroupPool.Release(group);
m_ListLoaderGroups.RemoveAt(index);
}
else
{
++index;
}
}
while (m_ListLoaderGroups.Count < kMaxGroupCount)
{
if (!StartNextGroup())
{
break;
}
}
}
/// <summary>
/// 开始下一组
/// </summary>
/// <returns></returns>
private bool StartNextGroup()
{
LoaderGroup loaderGroup = null;
for (int i = (int)LoadPriority.Quantity - 1; i >= 0; --i)
{
Queue <LoaderGroup> groups = m_DicLoaderGroupWaits[(LoadPriority)i];
if (groups.Count == 0)
{
continue;
}
loaderGroup = groups.Dequeue();
break;
}
if (loaderGroup == null)
{
return(false);
}
m_ListLoaderGroups.Add(loaderGroup);
loaderGroup.Start();
return(true);
}
/// <summary>
/// 获得加载组
/// </summary>
/// <returns></returns>
public LoaderGroup PopGroup(LoadPriority priority = LoadPriority.Normal)
{
LoaderGroup group = LoaderGroupPool.Get(this);
group.priority = priority;
m_DicLoaderGroupWaits[priority].Enqueue(group);
return(group);
}
/// <summary>
/// 增加异步回调
/// </summary>
/// <param name="callback">回调</param>
/// <param name="group">加载组</param>
/// <param name="data">资源对象</param>
public void AddAsyncCallback(LoaderGroupCompleteCallback callback, LoaderGroup group, object data)
{
if (null == callback)
{
return;
}
AsyncCallbackInfo info = new AsyncCallbackInfo
{
completeCallback = callback,
Group = group,
Data = data
};
m_AsyncCallbackInfos.Add(info);
}