Initial code

This commit is contained in:
EqUiNoX
2023-04-01 11:38:56 -07:00
parent 291bc786c1
commit 32e7f195bd
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## Ignore Visual Studio temporary files, build results, and
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.5.33516.290
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IPSExtractor", "IPSExtractor\IPSExtractor.csproj", "{B480B330-D658-49C1-BD8D-FEB2360A1A21}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{B480B330-D658-49C1-BD8D-FEB2360A1A21}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B480B330-D658-49C1-BD8D-FEB2360A1A21}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B480B330-D658-49C1-BD8D-FEB2360A1A21}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B480B330-D658-49C1-BD8D-FEB2360A1A21}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {BF38BF7F-3F98-4699-9B9D-0E95E8F82F77}
EndGlobalSection
EndGlobal
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Mono.Options" Version="6.12.0.148" />
<PackageReference Include="SharpDisasm" Version="1.1.11" />
</ItemGroup>
</Project>
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using System.Text;
namespace IPSExtractor
{
public static class IPSTool
{
public static void ExtractIPS(string inputFile, string outputPath)
{
Console.WriteLine($"Processing '{Path.GetFileName(inputFile)}'");
if (Directory.Exists(outputPath) == false)
{
Directory.CreateDirectory(outputPath);
}
using var memoryStream = new MemoryStream(File.ReadAllBytes(inputFile));
using var binaryReader = new BinaryReader(memoryStream);
var header = binaryReader.ReadBytes(5);
var magic = Encoding.ASCII.GetString(header);
if (magic != "PATCH")
{
Console.WriteLine("Errir: Invalid header.");
return;
}
const int IPSEOF = 0x454f46;
var infoFilePath = Path.Combine(outputPath, Path.GetFileNameWithoutExtension(inputFile) + "_info.txt");
if (File.Exists(infoFilePath))
{
File.Delete(infoFilePath);
}
using var infoFile = File.CreateText(infoFilePath);
var patchIndex = 1;
while (memoryStream.Position != memoryStream.Length)
{
var offsetBytes = binaryReader.ReadBytes(3);
var offset = (offsetBytes[0] << 16) | (offsetBytes[1] << 8) | offsetBytes[2];
if (offset == IPSEOF)
{
break;
}
var sizeByes = binaryReader.ReadBytes(2);
var size = (sizeByes[0] << 8) | sizeByes[1];
byte[] data;
bool rleEncoded = false;
if (size == 0)
{
sizeByes = binaryReader.ReadBytes(2);
size = (sizeByes[0] << 8) | sizeByes[1];
data = new byte[size];
var rleByte = binaryReader.ReadByte();
for (var i = 0; i < size; i++)
{
data[i] = rleByte;
}
rleEncoded = true;
}
else
{
data = binaryReader.ReadBytes(size);
}
var binaryFile = Path.GetFileNameWithoutExtension(inputFile) + $"_patch{patchIndex++}.bin";
var binaryFilePath = Path.Combine(outputPath, binaryFile);
if (File.Exists(binaryFilePath))
{
File.Delete(binaryFilePath);
}
var asmFile = Path.GetFileNameWithoutExtension(inputFile) + $"_patch{patchIndex++}.asm";
var asmFilePath = Path.Combine(outputPath, asmFile);
if (File.Exists(asmFilePath))
{
File.Delete(asmFilePath);
}
File.WriteAllBytes(binaryFilePath, data);
var stringWriter = new StringWriter();
var disasm = new SharpDisasm.Disassembler(data, SharpDisasm.ArchitectureMode.x86_32, 0, true);
foreach (var insn in disasm.Disassemble())
{
stringWriter.WriteLine(insn.ToString());
}
File.WriteAllText(asmFilePath, stringWriter.ToString());
Console.WriteLine($"Offset = {offset}, RLE = {rleEncoded}, Size = {size}, File = {binaryFile}");
infoFile.WriteLine("{0}|{1}|{2}|{3}", offset, rleEncoded, size, binaryFile);
}
Console.WriteLine("Processed.");
}
}
}
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using IPSExtractor;
using Mono.Options;
using System;
internal class Program
{
public static bool ShowHelp { get; set; }
public static string InputPath { get; set; }
public static string OutputPath { get; set; }
private static void Main(string[] args)
{
var options = new OptionSet {
{ "i|input=", "Input Path", i => InputPath = i },
{ "o|output=", "Output Path", i => OutputPath = i },
{ "h|help", "show help", h => ShowHelp = h != null }
};
try
{
options.Parse(args);
if (ShowHelp)
{
Console.WriteLine("IPS Extractor by EqUiNoX.");
Console.WriteLine();
Console.WriteLine("Usage: Repackinator [options]+");
Console.WriteLine();
options.WriteOptionDescriptions(Console.Out);
return;
}
var input = Path.GetFullPath(InputPath);
if (!Directory.Exists(input))
{
throw new OptionException("Input is not a valid directory.", "input");
}
var output = Path.GetFullPath(OutputPath);
if (!Directory.Exists(output))
{
Directory.CreateDirectory(output);
}
var ipsFiles = Directory.GetFiles(input, "*.ips");
foreach (var ipsFile in ipsFiles)
{
IPSTool.ExtractIPS(ipsFile, output);
}
Console.WriteLine("Completed.");
}
catch (OptionException e)
{
Console.Write("IPSExtractor by EqUiNoX: ");
Console.WriteLine(e.Message);
Console.WriteLine("Try `IPSExtractor --help' for more information.");
}
}
}
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