/// <summary>
/// Gets the patch infos for each <see cref="Patch"/>
/// </summary>
/// <param name="ipkStream">The IPK file stream</param>
/// <returns>The patch infos</returns>
protected IEnumerable <PatchInfo> GetPatchInfos(Stream ipkStream)
{
// Deserialize the IPK file
var ipk = BinarySerializableHelpers.ReadFromStream <UbiArtIpkData>(ipkStream, UbiArtSettings.GetDefaultSettings(UbiArtGame.RaymanLegends, Platform.PC), RCPServices.App.GetBinarySerializerLogger());
// Enumerate every patch
foreach (var patchGroup in GetPatches.GroupBy(x => x.FileName))
{
// Get the file
var file = ipk.Files.FindItem(x => x.Path.FileName == patchGroup.Key);
// Make sure we found the file
if (file == null)
{
throw new Exception("Patch file not found");
}
// Make sure it's not compressed
if (file.IsCompressed)
{
throw new Exception("The configuration file is compressed and can not be edited");
}
// Get the offsets
foreach (Patch patch in patchGroup)
{
// Get the offset of the byte in the file to change
yield return(new PatchInfo(patch, (long)(ipk.BaseOffset + file.Offsets.First() + (uint)patch.FileOffset)));
}
}
}
/// <summary>
/// Gets the patch infos for each <see cref="Patch"/>
/// </summary>
/// <param name="ipkStream">The IPK file stream</param>
/// <param name="name">The IPK name</param>
/// <returns>The patch infos</returns>
protected IEnumerable <PatchInfo> GetPatchInfos(Stream ipkStream, string name)
{
// Deserialize the IPK file
using RCPContext context = new(String.Empty);
UbiArtSettings settings = new(Game.RaymanLegends, Platform.PC);
context.AddSettings(settings);
BundleFile ipk = context.ReadStreamData <BundleFile>(ipkStream, name: name, endian: settings.GetEndian, leaveOpen: true);
// Enumerate every patch
foreach (var patchGroup in GetPatches.GroupBy(x => x.FileName))
{
// Get the file
BundleFile_FileEntry?file = ipk.FilePack.Files.FirstOrDefault(x => x.Path.FileName == patchGroup.Key);
// Make sure we found the file
if (file == null)
{
throw new Exception("Patch file not found");
}
// Make sure it's not compressed
if (file.IsCompressed)
{
throw new Exception("The configuration file is compressed and can not be edited");
}
// Make sure the file size matches
if (file.FileSize != patchGroup.First().FileSize)
{
throw new Exception($"File size for {file.Path} doesn't match the expected size");
}
// Get the offsets
foreach (Patch patch in patchGroup)
{
// Get the offset of the byte in the file to change
yield return(new PatchInfo(patch, (long)(ipk.BootHeader.BaseOffset + file.Offsets.First() + (uint)patch.FileOffset)));
}
}
}
