//生成资源描述文件
public static void GenResDescFile(List <ResouceElement> resList, string patchPath, string resDescFileName, out uint resDescFileCrc)
{
string tmpFileListPath = patchPath + "/" + resDescFileName;
FileStream fs = new FileStream(tmpFileListPath, FileMode.Create, FileAccess.Write);
MemoryStream ms = new MemoryStream();
BinaryWriter bw = new BinaryWriter(ms);
bw.Write(resList.Count);//写入数量
for (int i = 0; i < resList.Count; i++)
{
ResouceElement resElement = resList[i];
bw.Write(resElement.keyHash); //写入文件KeyHash
bw.Write(resElement.fileHash); //写入文件FileHash
bw.Write((byte)resElement.resType);
bw.Write(resElement.fileSize);
}
bw.Flush();
ms.WriteTo(fs);
bw.Close();
ms.Close();
fs.Close();
resDescFileCrc = Crc.Crc32(resDescFileName + ComputeMD5(tmpFileListPath));
File.Move(tmpFileListPath, $"{patchPath}/{resDescFileCrc}");
}
//构建资源描述
public static List <ResouceElement> GetResouceElements(string path, ResouceElement.EResType resType, string prefix)
{
List <ResouceElement> tmpElemList = new List <ResouceElement>();
List <string> tmpFiles = GetFiles(path, "*.*", new string[] { ".manifest" });
for (int i = 0; i < tmpFiles.Count; i++)
{
ResouceElement tmpElem = new ResouceElement();
tmpElem.filePath = tmpFiles[i].Replace("\\", "/");
tmpElem.key = prefix + tmpElem.filePath.Replace(path, "");
tmpElem.keyHash = Crc.Crc32(tmpElem.key);
tmpElem.fileHash = Crc.Crc32(tmpElem.key + ComputeMD5(tmpElem.filePath));
tmpElem.resType = resType;
var tmpFileInfo = new FileInfo(tmpFiles[i]);
tmpElem.fileSize = (ushort)(tmpFileInfo.Length / 1024f);
tmpElem.fileSize = tmpElem.fileSize > 0 ? tmpElem.fileSize : (ushort)1;
tmpElemList.Add(tmpElem);
}
return(tmpElemList);
}