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Add option to extract raw byte array from MonoBehaviour assets

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This commit is contained in:
VaDiM
2025-10-07 01:07:48 +03:00
parent 6d5b633d55
commit d1bf0c5a37
7 changed files with 111 additions and 8 deletions
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25
AssetStudioCLI/Exporter.cs
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@ -315,6 +315,31 @@ namespace AssetStudioCLI
m_VideoClip.m_VideoData.WriteData(exportFullPath.Replace(".dat", "_data.dat"));
}
break;
case MonoBehaviour m_MonoBehaviour when CLIOptions.f_rawByteArrayFromMono.Value:
var reader = m_MonoBehaviour.reader;
reader.Reset();
var assetData = reader.ReadBytes(28); //PPtr<GameObject> m_GameObject, m_Enabled, PPtr<MonoScript>
var assetNameLen = reader.ReadInt32();
reader.Position -= 4;
var assetNameBytes = reader.ReadBytes(assetNameLen + 4);
if (assetNameLen > 0)
reader.AlignStream();
var arrayLen = reader.ReadInt32();
if (arrayLen <= 0 || arrayLen > reader.Remaining)
break;
using (var outStream = new FileStream(exportFullPath.Replace(".dat", "_extracted.dat"), FileMode.Create))
{
reader.BaseStream.CopyTo(outStream, size: arrayLen);
}
using (var outStream = new FileStream(exportFullPath, FileMode.Create))
{
outStream.Write(assetData, 0, assetData.Length);
outStream.Write(assetNameBytes, 0, assetNameBytes.Length);
if (reader.Remaining > 0)
reader.BaseStream.CopyTo(outStream, size: reader.Remaining);
}
Logger.Debug($"{item.TypeString} \"{item.Text}\" exported to \"{exportFullPath}\"");
return true;
}
File.WriteAllBytes(exportFullPath, item.Asset.GetRawData());

24
AssetStudioCLI/Options/CLIOptions.cs
View File

@ -128,6 +128,7 @@ namespace AssetStudioCLI.Options
public static Option<bool> f_decompressToDisk;
public static Option<bool> f_notRestoreExtensionName;
public static Option<bool> f_avoidLoadingViaTypetree;
public static Option<bool> f_rawByteArrayFromMono;
public static Option<bool> f_loadAllAssets;
static CLIOptions()
@ -557,6 +558,15 @@ namespace AssetStudioCLI.Options
optionHelpGroup: HelpGroups.Advanced,
isFlag: true
);
f_rawByteArrayFromMono = new GroupedOption<bool>
(
optionDefaultValue: false,
optionName: "--raw-array",
optionDescription: "(Flag) If specified, Studio will try to extract raw byte array from MonoBehaviour assets\n(Only for ExportRaw mode)\n",
optionExample: "",
optionHelpGroup: HelpGroups.Advanced,
isFlag: true
);
f_loadAllAssets = new GroupedOption<bool>
(
optionDefaultValue: false,
@ -741,6 +751,16 @@ namespace AssetStudioCLI.Options
f_avoidLoadingViaTypetree.Value = true;
flagIndexes.Add(i);
break;
case "--raw-array":
if (o_workMode.Value != WorkMode.ExportRaw)
{
Console.WriteLine($"{"Error".Color(brightRed)} during parsing [{flag.Color(brightYellow)}] flag. This flag is not suitable for the current working mode [{o_workMode.Value}].\n");
ShowOptionDescription(f_rawByteArrayFromMono, isFlag: true);
return;
}
f_rawByteArrayFromMono.Value = true;
flagIndexes.Add(i);
break;
case "--load-all":
switch (o_workMode.Value)
{
@ -1431,6 +1451,10 @@ namespace AssetStudioCLI.Options
sb.AppendLine($"# Restore TextAsset Extension: {!f_notRestoreExtensionName.Value}");
sb.AppendLine($"# Max Parallel Export Tasks: {o_maxParallelExportTasks}");
}
if (o_workMode.Value == WorkMode.ExportRaw)
{
sb.AppendLine($"# Extract Raw Byte Array From MonoBehaviour: {f_rawByteArrayFromMono}");
}
sb.AppendLine(ShowCurrentFilter());
sb.AppendLine($"# Filter With Regex: {f_filterWithRegex}");
sb.AppendLine($"# Assembly Path: \"{o_assemblyPath}\"");