initial commit

Author: breadbyte

.gitignore

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+patch1337tocpp/bin
+patch1337tocpp/obj
+/.idea

patch1337tocpp.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "patch1337tocpp", "patch1337tocpp\patch1337tocpp.csproj", "{3EB7100B-1197-4E17-B057-7F9135AE1392}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3EB7100B-1197-4E17-B057-7F9135AE1392}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3EB7100B-1197-4E17-B057-7F9135AE1392}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3EB7100B-1197-4E17-B057-7F9135AE1392}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3EB7100B-1197-4E17-B057-7F9135AE1392}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

patch1337tocpp/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Text;
+using CommandLine;
+
+namespace patch1337tocpp {
+    class Program {
+        static void Main(string[] args) {
+            CommandLineOpts opts = null;
+            
+            Parser.Default.ParseArguments<CommandLineOpts>(args)
+                  .WithParsed<CommandLineOpts>(o => opts = o);
+
+            var lines = File.ReadAllLines(opts.patchFile);
+
+            List<Patch> patches = new();
+            StringBuilder finalOutput = new StringBuilder();
+
+            Patch? currentPatch = null;
+            
+            foreach (var line in lines) {
+                if (line.StartsWith('>')) {
+                    var p = new Patch() {ModuleName = line.Substring(1, line.Length - 1)};
+                    p.Patches = new();
+                    currentPatch = p;
+                    patches.Add(p);
+                }
+                else {
+                    if (!currentPatch.HasValue)
+                        throw new InvalidDataException("Patch does not start with a valid module identifier!");
+                    
+                    currentPatch.Value.Patches.Add(new PatchAddress() {
+                        Address = int.Parse(line.Substring(0, 8), NumberStyles.HexNumber),
+                        OldByte = byte.Parse(line.Substring(9, 2), NumberStyles.HexNumber),
+                        NewByte = byte.Parse(line.Substring(13, 2), NumberStyles.HexNumber)
+                    });
+                }
+            }
+
+            using (StreamWriter w = new StreamWriter("output.cpp")) {
+                
+                w.WriteLine("#include <vector>");
+                w.Write("struct PatchAddress { ");
+                w.Write("int Address; ");
+                w.Write("unsigned char OldByte; ");
+                w.Write("unsigned char NewByte; ");
+                w.WriteLine("};");
+                w.Write("struct Patch { ");
+                w.Write("char* ModuleName; ");
+                w.Write("std::vector<PatchAddress> Patches ");
+                w.WriteLine("};");
+
+                foreach (var patch in patches) {
+                    var addressableName = patch.ModuleName.Replace(" ", "_");
+                    w.WriteLine($"Patch {addressableName};");
+                    w.WriteLine($"{addressableName}.ModuleName = \"{patch.ModuleName}\";");
+                    w.WriteLine($"{addressableName}.Patches = {{");
+
+                    foreach (var addr in patch.Patches) { 
+                        w.WriteLine($"PatchAddress{{ {addr.Address}, {addr.OldByte}, {addr.NewByte} }},");
+                    }
+
+                    w.WriteLine("};");
+                }
+
+                w.Flush();
+            }
+        }
+
+        struct Patch {
+            public string ModuleName;
+            public List<PatchAddress> Patches;
+        }
+
+        struct PatchAddress {
+            public int Address;
+            public byte OldByte;
+            public byte NewByte;
+        }
+    }
+    
+    public class CommandLineOpts
+    {
+        [Option('f', "patch_file", Required = true, HelpText = "The patch file.")]
+        public string patchFile { get; set; }
+    }
+}

patch1337tocpp/patch1337tocpp.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net5.0</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="CommandLineParser" Version="2.9.0-preview1" />
+    </ItemGroup>
+
+</Project>