public static IMEPackage OpenMEPackage(string pathToFile, WPFBase wpfWindow = null, WinFormsBase winForm = null)
{
IMEPackage package = null;
if (!openPackages.ContainsKey(pathToFile))
{
ushort version;
ushort licenseVersion;
using (FileStream fs = new FileStream(pathToFile, FileMode.Open, FileAccess.Read))
{
fs.Seek(4, SeekOrigin.Begin);
version = fs.ReadValueU16();
licenseVersion = fs.ReadValueU16();
}
if (version == 684 && licenseVersion == 194)
{
package = ME3ConstructorDelegate(pathToFile);
}
else if (version == 512 && licenseVersion == 130)
{
package = ME2ConstructorDelegate(pathToFile);
}
else if (version == 491 && licenseVersion == 1008)
{
package = ME1ConstructorDelegate(pathToFile);
}
else
{
throw new FormatException("Not an ME1, ME2, or ME3 package file.");
}
package.noLongerUsed += Package_noLongerUsed;
openPackages.Add(pathToFile, package);
}
else
{
package = openPackages[pathToFile];
}
if (wpfWindow != null)
{
package.RegisterTool(new GenericWindow(wpfWindow, Path.GetFileName(pathToFile)));
addToPackagesInTools(package);
}
else if (winForm != null)
{
package.RegisterTool(new GenericWindow(winForm, Path.GetFileName(pathToFile)));
addToPackagesInTools(package);
}
else
{
package.RegisterUse();
}
return package;
}
public static unsafe int Patch(string hPatchs, string hSources, string hDests,ProgressBar pBar,Label lab,int FileID)
{
try
{
if (pBar.InvokeRequired == true)
{
SetValue PSetValue = new SetValue(DoSetValue);
SetText LSetText = new SetText(DoSetText);
pBar.Invoke(PSetValue, new Object[] { pBar, 0 });
lab.Invoke(LSetText, new Object[] { lab, "0%" });
}
UInt32 BLOCKSIZE = 16384;
UInt32 temp = 0;
UInt32 read;
byte[] source_md5 = new byte[16];
byte[] patch_dest_md5 = new byte[16];
byte[] block = new byte[BLOCKSIZE];
int MD5Mode = 0;
UInt32 patches = 0;
int already_uptodate = 0,j=1;
double blocks;
FILETIME targetModifiedTime;
DateTime dte = new DateTime() ;
//write回调方法
FileStream Patchs = new FileStream(hPatchs, FileMode.Open, FileAccess.Read, FileShare.Read);
FileStream Sources = new FileStream(hSources, FileMode.Open, FileAccess.Read, FileShare.Read);
FileStream Dests = new FileStream(hDests, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
Hashtable Data = Program.filehash;
// special 'addition' for the dll: since the patch file is now
// in a seperate file, the VPAT header might be right at the start
// of the file, and a pointer at the end of the file is probably missing
// (because all patch generator versions don't append it, the linker/gui
// does this).
Patchs.Seek(0, SeekOrigin.Begin);
temp = Patchs.ReadValueU32(); read = 4;
// it's not at the start of file -> there must be a pointer at the end of
// file then
if (temp != 0x54415056)
{
Patchs.Seek(-4, SeekOrigin.End);
temp = Patchs.ReadValueU32(); read = 4;
Patchs.Seek(temp, SeekOrigin.Begin);
temp = Patchs.ReadValueU32(); read = 4;
if (temp != 0x54415056)
return result.PATCH_CORRUPT;
}
// target file date is by default the current system time
GetSystemTimeAsFileTime(&targetModifiedTime);
// read the number of patches in the file
patches = Patchs.ReadValueU32(); read = 4;
if (Convert.ToBoolean(patches & 0x80000000)) MD5Mode = 1;
// MSB is now reserved for future extensions, anyone wanting more than
// 16 million patches in a single file is nuts anyway
patches = patches & 0x00FFFFFF;
if (!Convert.ToBoolean(MD5Mode))
{
return result.PATCH_UNSUPPORTED;
}
else
{
source_md5 = checksum.FileMD5(Sources, Data, FileID,Program.AdvMOD);
if (source_md5 == null)
return result.PATCH_ERROR;
}
//pBar.Maximum = Convert.ToInt32(patches);
while (Convert.ToBoolean(patches--))
{
int patch_blocks = 0, patch_size = 0;
// flag which needs to be set by one of the checksum checks
int currentPatchMatchesChecksum = 0;
// read the number of blocks this patch has
patch_blocks = Convert.ToInt32(Patchs.ReadValueU32()); blocks = patch_blocks; read = 4;
if (!Convert.ToBoolean(patch_blocks))
{
return result.PATCH_CORRUPT;
}
if (pBar.InvokeRequired == true)
{
SetValue PSetValue = new SetValue(DoSetMax);
pBar.Invoke(PSetValue, new Object[] { pBar, Convert.ToInt32(patch_blocks) });
}
// read checksums
if (!Convert.ToBoolean(MD5Mode))
{
return result.PATCH_UNSUPPORTED;
}
else
{
int md5index;
byte[] patch_source_md5 = new byte[16];
patch_source_md5 = Patchs.ReadBytes(16); read = 16;
if (patch_source_md5 == null)
{
return result.PATCH_CORRUPT;
}
patch_dest_md5 = Patchs.ReadBytes(16); read = 16;
if (patch_dest_md5 == null)
{
return result.PATCH_CORRUPT;
}
// check to see if it's already up-to-date for some patch
for (md5index = 0; md5index < 16; md5index++)
{
if (source_md5[md5index] != patch_dest_md5[md5index]) break;
if (md5index == 15) already_uptodate = 1;
}
for (md5index = 0; md5index < 16; md5index++)
{
if (source_md5[md5index] != patch_source_md5[md5index]) break;
if (md5index == 15) currentPatchMatchesChecksum = 1;
}
}
// read the size of the patch, we can use this to skip over it
patch_size = Convert.ToInt32(Patchs.ReadValueU32()); read = 4;
if (patch_size == null)
{
return result.PATCH_CORRUPT;
}
if (Convert.ToBoolean(currentPatchMatchesChecksum))
{
while (Convert.ToBoolean(patch_blocks--))
{
if (pBar.InvokeRequired == true)
{
SetValue PSetValue = new SetValue(DoSetValue);
SetText LSetText = new SetText(DoSetText);
pBar.Invoke(PSetValue, new Object[] { pBar, Convert.ToInt32(j++) });
var per = Convert.ToDouble(j-1)/Convert.ToDouble(blocks);
lab.Invoke(LSetText, new Object[] { lab, Convert.ToString(Math.Ceiling(per*100)) + "%" });
Application.DoEvents();
}
Byte blocktype = 0;
UInt32 blocksize = 0;
blocktype = Convert.ToByte(Patchs.ReadByte()); read = 1;
if (blocktype==null)
{
return result.PATCH_CORRUPT;
}
switch (blocktype)
{
case 1:
case 2:
case 3:
if (blocktype == 1)
{
Byte x;
x = Convert.ToByte(Patchs.ReadByte()); read = 1;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
else if (blocktype == 2)
{
UInt16 x;
x = Patchs.ReadValueU16(); read = 2;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
else
{
UInt32 x;
x = Patchs.ReadValueU32(); read = 4;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
temp = Patchs.ReadValueU32(); read = 4;
if (!Convert.ToBoolean(blocksize) || temp == null || read != 4)
return result.PATCH_CORRUPT;
Sources.Seek(temp, SeekOrigin.Begin);
//SetFilePointer(hSource, temp, 0, EMoveMethod.Begin);
do
{
Sources.Read(block, 0, Convert.ToInt32(Math.Min(BLOCKSIZE, blocksize))); read = Math.Min(BLOCKSIZE, blocksize);
if (block == null)
{
return result.PATCH_ERROR;
}
//IAsyncResult writeResult = Dests.BeginWrite(block,0,Convert.ToInt32(read),writeCallBack,"Write Target File");
//Dests.EndWrite(writeResult);
Dests.Write(block, 0, Convert.ToInt32(read));
temp = read;
//WriteFile(hDest, block, read, &temp, NULL);
if (temp != Math.Min(BLOCKSIZE, blocksize))
return result.PATCH_ERROR;
blocksize -= temp;
} while (Convert.ToBoolean(temp));
break;
case 5:
case 6:
case 7:
if (blocktype == 5)
{
Byte x;
x = Convert.ToByte(Patchs.ReadByte()); read = 1;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
else if (blocktype == 6)
{
UInt16 x;
x = Patchs.ReadValueU16(); read = 2;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
else
{
UInt32 x;
x = Patchs.ReadValueU32(); read = 4;
blocksize = Convert.ToUInt32(Convert.ToBoolean(x) ? x : 0);
}
if (!Convert.ToBoolean(blocksize))
return result.PATCH_CORRUPT;
do
{
Patchs.Read(block, 0, Convert.ToInt32(Math.Min(BLOCKSIZE, blocksize))); read = Math.Min(BLOCKSIZE, blocksize);
if (block == null)
{
return result.PATCH_CORRUPT;
}
//IAsyncResult writeResult = Dests.BeginWrite(block, 0, Convert.ToInt32(read), writeCallBack, "Write Target File");
//Dests.EndWrite(writeResult);
Dests.Write(block, 0, Convert.ToInt32(read));
temp = read;
//WriteFile(hDest, block, read, &temp, NULL);
if (temp != Math.Min(BLOCKSIZE, blocksize))
return result.PATCH_ERROR;
blocksize -= temp;
} while (Convert.ToBoolean(temp));
break;
case 255: // read the file modified time from the patch
targetModifiedTime.dwLowDateTime = (int)Patchs.ReadValueU32();
targetModifiedTime.dwHighDateTime = (int)Patchs.ReadValueU32();
///////////////////////////////////////////////////////////////// //from System.Runtime.InteropServices.FILETIME to System.DateTime /////////////////////////////////////////////////////////////////
long _Value = (long) targetModifiedTime.dwHighDateTime << 32 | (long)(uint)targetModifiedTime.dwLowDateTime;
dte = DateTime.FromFileTimeUtc(_Value);
read = Convert.ToUInt32(Marshal.SizeOf(targetModifiedTime));
//if(targetModifiedTime) {
//return result.PATCH_CORRUPT;
//}
break;
default:
return result.PATCH_CORRUPT;
}
}
if (!Convert.ToBoolean(MD5Mode))
{
return result.PATCH_UNSUPPORTED;
}
else
{
//int md5index;
byte[] dest_md5 = new byte[16];
Dests.Close();
Patchs.Close();
Sources.Close();
File.Delete(hPatchs);
File.Delete(hSources);
File.Move(hDests, hSources);
File.SetLastWriteTime(hSources, dte);
//FileStream Dest = new FileStream(hSources, FileMode.Open, FileAccess.Read, FileShare.None);
//dest_md5 = checksum.FileMD5(Dest, Data, -1);
//Dest.Close();
//if (dest_md5 == null)
//{
// return result.PATCH_ERROR;
// }
//for (md5index = 0; md5index < 16; md5index++)
//{
// if (dest_md5[md5index] != patch_dest_md5[md5index]) return result.PATCH_ERROR;
//}
}
// set file time
//SetFileTime(hDest, NULL, NULL, &targetModifiedTime);
return result.PATCH_SUCCESS;
}
else
{
Patchs.Seek(patch_size, SeekOrigin.Current);
//SetFilePointer(hPatch, patch_size, NULL, EMoveMethod.Current);
}
}
// if already up to date, it doesn't matter that we didn't match
if (Convert.ToBoolean(already_uptodate))
{
return result.PATCH_UPTODATE;
}
else
{
return result.PATCH_NOMATCH;
}
}
catch (Exception Err)
{
MessageBox.Show("出现错误：" + Err.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return result.PATCH_ERROR;
}
}