/// <summary>
/// 请求资源
/// </summary>
/// <param name="caller"></param>
/// <param name="resName"></param>
/// <param name="callback"></param>
public void GetResource(System.Object caller, string resName, ResDataLoadedHandler callback, System.Object userData = null)
{
string key = resName.ToLower();
ResourceDataObject resDO = null;
if (!_dataDict.TryGetValue(key, out resDO))
{
throw new Exception(string.Format("名为{0}的资源不存在", resName));
//return;
}
ResourceData data = null;
if (!_resDict.TryGetValue(key, out data))
{
string url = GetRootPath(resDO.Type) + resDO.Path;
data = new ResourceData(caller, key, resDO.Type, url, callback, userData);
_waitToLoadList.Add(data);
_resDict[key] = data;
}
else
{
data.AddCounter(caller);
if (data.IsReady)
{
if (callback != null)
{
callback(key, data.Url, data.Data, userData);
}
}
else
{
data.AddCallback(callback, userData);
}
}
}
internal void AddCallback(ResDataLoadedHandler callback, System.Object userData = null)
{
_callbacks.Add(new CallbackListener()
{
Callback = callback, UserData = userData
});
}
/// <summary>
/// 增加该资源的使用者
/// </summary>
/// <param name="user"></param>
/// <param name="callback"></param>
/// <param name="userData"></param>
internal void AddUser(System.Object user, ResDataLoadedHandler callback, System.Object userData = null)
{
CallbackListener listener = new CallbackListener()
{
Callback = callback, UserData = userData
};
List <CallbackListener> existList = null;
if (!_userDict.TryGetValue(user, out existList))
{
existList = new List <CallbackListener>();
existList.Add(listener);
_userDict.Add(user, existList);
_userList.Add(user);
}
else
{
if (!existList.Contains(listener))
{
existList.Add(listener);
}
else
{
return;//
}
}
}
public ResourceData(System.Object user, string key, ResourceType type, string url, ResDataLoadedHandler callback, System.Object userData = null)
{
this.Name = key;
this.ResType = type;
this.Url = url;
CallbackListener listener = new CallbackListener()
{
Callback = callback, UserData = userData
};
_callbacks.Add(listener);
//_userDict.Add(user, new List<CallbackListener>() { listener });
AddCounter(user);
}
