private void Update()
{
if (m_WWW == null)
{
return;
}
int deltaLength = m_WWW.bytesDownloaded - m_LastDownloadedSize;
if (deltaLength > 0)
{
m_LastDownloadedSize = m_WWW.bytesDownloaded;
DownloadAgentHelperUpdateLengthEventArgs downloadAgentHelperUpdateLengthEventArgs = DownloadAgentHelperUpdateLengthEventArgs.Create(deltaLength);
m_DownloadAgentHelperUpdateLengthEventHandler(this, downloadAgentHelperUpdateLengthEventArgs);
ReferencePool.Release(downloadAgentHelperUpdateLengthEventArgs);
}
if (m_WWW == null)
{
return;
}
if (!m_WWW.isDone)
{
return;
}
if (!string.IsNullOrEmpty(m_WWW.error))
{
DownloadAgentHelperErrorEventArgs dodwnloadAgentHelperErrorEventArgs = DownloadAgentHelperErrorEventArgs.Create(m_WWW.error.StartsWith(RangeNotSatisfiableErrorCode.ToString()), m_WWW.error);
m_DownloadAgentHelperErrorEventHandler(this, dodwnloadAgentHelperErrorEventArgs);
ReferencePool.Release(dodwnloadAgentHelperErrorEventArgs);
}
else
{
byte[] bytes = m_WWW.bytes;
DownloadAgentHelperUpdateBytesEventArgs downloadAgentHelperUpdateBytesEventArgs = DownloadAgentHelperUpdateBytesEventArgs.Create(bytes, 0, bytes.Length);
m_DownloadAgentHelperUpdateBytesEventHandler(this, downloadAgentHelperUpdateBytesEventArgs);
ReferencePool.Release(downloadAgentHelperUpdateBytesEventArgs);
DownloadAgentHelperCompleteEventArgs downloadAgentHelperCompleteEventArgs = DownloadAgentHelperCompleteEventArgs.Create(bytes.Length);
m_DownloadAgentHelperCompleteEventHandler(this, downloadAgentHelperCompleteEventArgs);
ReferencePool.Release(downloadAgentHelperCompleteEventArgs);
}
}
protected override bool ReceiveData(byte[] data, int dataLength)
{
if (m_Owner != null && m_Owner.m_UnityWebRequest != null && dataLength > 0)
{
DownloadAgentHelperUpdateBytesEventArgs downloadAgentHelperUpdateBytesEventArgs = DownloadAgentHelperUpdateBytesEventArgs.Create(data, 0, dataLength);
m_Owner.m_DownloadAgentHelperUpdateBytesEventHandler(this, downloadAgentHelperUpdateBytesEventArgs);
ReferencePool.Release(downloadAgentHelperUpdateBytesEventArgs);
DownloadAgentHelperUpdateLengthEventArgs downloadAgentHelperUpdateLengthEventArgs = DownloadAgentHelperUpdateLengthEventArgs.Create(dataLength);
m_Owner.m_DownloadAgentHelperUpdateLengthEventHandler(this, downloadAgentHelperUpdateLengthEventArgs);
ReferencePool.Release(downloadAgentHelperUpdateLengthEventArgs);
DownloadAgentHelperProgressEventArgs downloadAgentHelperProgressEventArgs = DownloadAgentHelperProgressEventArgs.Create(contentLength);
m_Owner.m_DownloadAgentHelperProgressEventHandler(this, downloadAgentHelperProgressEventArgs);
ReferencePool.Release(downloadAgentHelperProgressEventArgs);
}
return(base.ReceiveData(data, dataLength));
}
/// <summary>
/// 处理事件
/// </summary>
/// <param name="sender">事件来源</param>
/// <param name="e">事件参数</param>
private void HandleEvent(object sender, T e)
{
//尝试获取事件的处理方法
int eventId = e.Id;
EventHandler <T> handlers = null;
if (m_EventHandlers.TryGetValue(eventId, out handlers))
{
if (handlers != null)
{
handlers(sender, e);
}
else
{
Debug.LogError("事件没有对应处理方法：" + eventId);
}
}
//向引用池归还事件引用
ReferencePool.Release(e);
}
private void OnDownloadAgentHelperUpdateBytes(object sender, DownloadAgentHelperUpdateBytesEventArgs e)
{
m_WaitTime = 0f;
try
{
m_FileStream.Write(e.GetBytes(), e.Offset, e.Length);
m_WaitFlushSize += e.Length;
m_SavedLength += e.Length;
if (m_WaitFlushSize >= m_Task.FlushSize)
{
m_FileStream.Flush();
m_WaitFlushSize = 0;
}
}
catch (Exception exception)
{
DownloadAgentHelperErrorEventArgs downloadAgentHelperErrorEventArgs = DownloadAgentHelperErrorEventArgs.Create(false, exception.ToString());
OnDownloadAgentHelperError(this, downloadAgentHelperErrorEventArgs);
ReferencePool.Release(downloadAgentHelperErrorEventArgs);
}
}
public override void Update(float elapseSeconds, float realElapseSeconds)
{
if (m_UnityWebRequest == null)
{
return;
}
if (!m_UnityWebRequest.isDone)
{
return;
}
bool isError = false;
#if UNITY_2017_1_OR_NEWER
isError = m_UnityWebRequest.isNetworkError || m_UnityWebRequest.isHttpError;
#else
isError = m_UnityWebRequest.isError;
#endif
if (isError)
{
DownloadAgentHelperErrorEventArgs downloadAgentHelperErrorEventArgs = DownloadAgentHelperErrorEventArgs.Create(m_UnityWebRequest.responseCode == RangeNotSatisfiableErrorCode, m_UnityWebRequest.error);
m_DownloadAgentHelperErrorEventHandler(this, downloadAgentHelperErrorEventArgs);
ReferencePool.Release(downloadAgentHelperErrorEventArgs);
}
else
{
//DownloadAgentHelperProgressEventArgs downloadAgentHelperProgressEventArgs = DownloadAgentHelperProgressEventArgs.Create(1.0f);
//m_DownloadAgentHelperProgressEventHandler(this, downloadAgentHelperProgressEventArgs);
//ReferencePool.Release(downloadAgentHelperProgressEventArgs);
DownloadAgentHelperCompleteEventArgs downloadAgentHelperCompleteEventArgs = DownloadAgentHelperCompleteEventArgs.Create((int)m_UnityWebRequest.downloadedBytes);
m_DownloadAgentHelperCompleteEventHandler(this, downloadAgentHelperCompleteEventArgs);
ReferencePool.Release(downloadAgentHelperCompleteEventArgs);
}
}