/// <summary>
/// 资源更新器轮询。
/// </summary>
/// <param name="elapseSeconds">逻辑流逝时间，以秒为单位。</param>
/// <param name="realElapseSeconds">真实流逝时间，以秒为单位。</param>
public void Update(float elapseSeconds, float realElapseSeconds)
{
if (m_ApplyingResourcePackStream != null)
{
while (m_ApplyWaitingInfo.Count > 0)
{
ApplyInfo applyInfo = m_ApplyWaitingInfo[0];
m_ApplyWaitingInfo.RemoveAt(0);
if (ApplyResource(applyInfo))
{
return;
}
}
Array.Clear(m_CachedBytes, 0, CachedBytesLength);
string resourcePackPath = m_ApplyingResourcePackPath;
m_ApplyingResourcePackPath = null;
m_ApplyingResourcePackStream.Dispose();
m_ApplyingResourcePackStream = null;
m_ResourceComponent.OnResourceApplyComplete(resourcePackPath, !m_FailureFlag, m_UpdateCandidateInfo.Count <= 0);
}
if (m_UpdateWaitingInfo.Count > 0)
{
if (m_DownloadComponent.FreeAgentCount > 0)
{
UpdateInfo updateInfo = m_UpdateWaitingInfo[0];
m_UpdateWaitingInfo.RemoveAt(0);
string resourceFullNameWithCrc32 = updateInfo.ResourceName.Variant != null?Utility.Text.Format("{0}.{1}.{2:x8}.{3}", updateInfo.ResourceName.Name, updateInfo.ResourceName.Variant, updateInfo.HashCode, ResourceRation.DefaultExtension) : Utility.Text.Format("{0}.{1:x8}.{2}", updateInfo.ResourceName.Name, updateInfo.HashCode, ResourceRation.DefaultExtension);
m_DownloadComponent.AddDownload(updateInfo.ResourcePath, Utility.Path.GetRemotePath(Path.Combine(m_ResourceComponent.UpdatePrefixUri, resourceFullNameWithCrc32)), updateInfo);
m_UpdatingCount++;
}
return;
}
if (m_UpdatingResourceGroup != null && m_UpdatingCount <= 0)
{
ResourceGroup updatingResourceGroup = m_UpdatingResourceGroup;
m_UpdatingResourceGroup = null;
m_ResourceComponent.OnUpdaterResourceUpdateComplete(updatingResourceGroup, !m_FailureFlag, m_UpdateCandidateInfo.Count <= 0);
return;
}
}
private bool ApplyResource(ApplyInfo applyInfo)
{
long position = m_ApplyingResourcePackStream.Position;
try
{
bool zip = applyInfo.Length != applyInfo.ZipLength || applyInfo.HashCode != applyInfo.ZipHashCode;
int bytesRead = 0;
int bytesLeft = applyInfo.ZipLength;
string directory = Path.GetDirectoryName(applyInfo.ResourcePath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
m_ApplyingResourcePackStream.Position += applyInfo.Offset;
using (FileStream fileStream = new FileStream(applyInfo.ResourcePath, FileMode.Create, FileAccess.ReadWrite))
{
while ((bytesRead = m_ApplyingResourcePackStream.Read(m_CachedBytes, 0, bytesLeft < CachedBytesLength ? bytesLeft : CachedBytesLength)) > 0)
{
bytesLeft -= bytesRead;
fileStream.Write(m_CachedBytes, 0, bytesRead);
}
if (zip)
{
fileStream.Position = 0L;
int hashCode = Utility.Verifier.GetCrc32(fileStream);
if (hashCode != applyInfo.ZipHashCode)
{
string errorMessage = Utility.Text.Format("Resource zip hash code error, need '{0}', applied '{1}'.", applyInfo.ZipHashCode.ToString(), hashCode.ToString());
m_ResourceComponent.OnResourceApplyFailure(applyInfo.ResourceName, m_ApplyingResourcePackPath, errorMessage);
return(false);
}
if (m_ResourceComponent.DecompressCachedStream == null)
{
m_ResourceComponent.DecompressCachedStream = new MemoryStream();
}
fileStream.Position = 0L;
m_ResourceComponent.DecompressCachedStream.Position = 0L;
m_ResourceComponent.DecompressCachedStream.SetLength(0L);
if (!Utility.Zip.Decompress(fileStream, m_ResourceComponent.DecompressCachedStream))
{
string errorMessage = Utility.Text.Format("Unable to decompress resource '{0}'.", applyInfo.ResourcePath);
m_ResourceComponent.OnResourceApplyFailure(applyInfo.ResourceName, m_ApplyingResourcePackPath, errorMessage);
return(false);
}
fileStream.Position = 0L;
fileStream.SetLength(0L);
fileStream.Write(m_ResourceComponent.DecompressCachedStream.GetBuffer(), 0, (int)m_ResourceComponent.DecompressCachedStream.Length);
}
else
{
int hashCode = 0;
fileStream.Position = 0L;
if (applyInfo.LoadType == LoadType.LoadFromMemoryAndQuickDecrypt || applyInfo.LoadType == LoadType.LoadFromMemoryAndDecrypt ||
applyInfo.LoadType == LoadType.LoadFromBinaryAndQuickDecrypt || applyInfo.LoadType == LoadType.LoadFromBinaryAndDecrypt)
{
Utility.Converter.GetBytes(applyInfo.HashCode, m_CachedHashBytes);
if (applyInfo.LoadType == LoadType.LoadFromMemoryAndQuickDecrypt || applyInfo.LoadType == LoadType.LoadFromBinaryAndQuickDecrypt)
{
hashCode = Utility.Verifier.GetCrc32(fileStream, m_CachedHashBytes, Utility.Encryption.QuickEncryptLength);
}
else if (applyInfo.LoadType == LoadType.LoadFromMemoryAndDecrypt || applyInfo.LoadType == LoadType.LoadFromBinaryAndDecrypt)
{
hashCode = Utility.Verifier.GetCrc32(fileStream, m_CachedHashBytes, applyInfo.Length);
}
Array.Clear(m_CachedHashBytes, 0, CachedHashBytesLength);
}
else
{
hashCode = Utility.Verifier.GetCrc32(fileStream);
}
if (hashCode != applyInfo.HashCode)
{
string errorMessage = Utility.Text.Format("Resource hash code error, need '{0}', applied '{1}'.", applyInfo.HashCode.ToString(), hashCode.ToString());
m_ResourceComponent.OnResourceApplyFailure(applyInfo.ResourceName, m_ApplyingResourcePackPath, errorMessage);
return(false);
}
}
}
if (applyInfo.UseFileSystem)
{
IFileSystem fileSystem = m_ResourceComponent.GetFileSystem(applyInfo.FileSystemName, false);
bool retVal = fileSystem.WriteFile(applyInfo.ResourceName.FullName, applyInfo.ResourcePath);
if (File.Exists(applyInfo.ResourcePath))
{
File.Delete(applyInfo.ResourcePath);
}
return(retVal);
}
m_UpdateCandidateInfo.Remove(applyInfo.ResourceName);
m_ResourceComponent.ResourceInfoDic[applyInfo.ResourceName.AssetCategory][applyInfo.ResourceName].MarkReady();
m_ResourceComponent.ReadWriteResourceInfoDic[applyInfo.ResourceName.AssetCategory].Add(applyInfo.ResourceName, new ReadWriteResourceInfo(applyInfo.FileSystemName, applyInfo.LoadType, applyInfo.Length, applyInfo.HashCode));
m_ResourceComponent.OnResourceApplySuccess(applyInfo.ResourceName, applyInfo.ResourcePath, m_ApplyingResourcePackPath, applyInfo.Length, applyInfo.ZipLength);
string downloadingResource = Utility.Text.Format("{0}.download", applyInfo.ResourcePath);
if (File.Exists(downloadingResource))
{
File.Delete(downloadingResource);
}
m_CurrentGenerateReadWriteVersionListLength += applyInfo.ZipLength;
if (m_ApplyWaitingInfo.Count <= 0 || m_CurrentGenerateReadWriteVersionListLength >= m_GenerateReadWriteVersionListLength)
{
m_CurrentGenerateReadWriteVersionListLength = 0;
GenerateReadWriteVersionList();
return(true);
}
return(false);
}
catch (Exception exception)
{
m_ResourceComponent.OnResourceApplyFailure(applyInfo.ResourceName, m_ApplyingResourcePackPath, exception.ToString());
return(false);
}
finally
{
m_ApplyingResourcePackStream.Position = position;
}
}
