add: godot editor patcher

Program.cs

@@ -0,0 +1,169 @@
+using System.Reflection;
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+
+public class Program
+{
+    public static void Main(string[] args)
+    {
+        string dllPath = ".";
+        if (args.Length != 0)
+        {
+            Console.WriteLine(args[0]);
+            dllPath = args[0];
+        }
+        if (dllPath.EndsWith("/"))
+            dllPath = $"{dllPath}GodotTools.ProjectEditor.dll";
+        else if (!dllPath.EndsWith("GodotTools.ProjectEditor.dll"))
+            dllPath = $"{dllPath}/GodotTools.ProjectEditor.dll";
+        
+        if (!File.Exists(dllPath))
+        {
+            Console.WriteLine(dllPath);
+            Console.WriteLine("GodotTools.ProjectEditor.dll not found");
+            return;
+        }
+
+        string backupPath = $"{dllPath}.bak";
+        if (!File.Exists(backupPath))
+            File.Copy(dllPath, backupPath);
+        string? version = Assembly.GetEntryAssembly()?
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+            .InformationalVersion;
+        AssemblyDefinition assembly = AssemblyDefinition.ReadAssembly(dllPath, new ReaderParameters { });
+        TypeDefinition targetType = assembly.MainModule.Types.First(t => t.Name == "ProjectUtils");
+        MethodDefinition method = targetType.Methods.First(m => m.Name == "EnsureGodotSdkIsUpToDate");
+
+        
+        
+        TypeReference? stringType = assembly.MainModule.ImportReference(typeof(string));
+        VariableDefinition? root = method.Body.Variables.FirstOrDefault(t => t.VariableType.FullName == "Microsoft.Build.Construction.ProjectRootElement");
+        
+        
+        TypeDefinition msBuildProjectTypeDef = assembly.MainModule.GetType("GodotTools.ProjectEditor.MSBuildProject");
+        TypeDefinition projectGeneratorTypeDef = assembly.MainModule.GetType("GodotTools.ProjectEditor.ProjectGenerator");
+        
+        MethodDefinition? msBuildProjectGetRoot = msBuildProjectTypeDef.Methods
+            .FirstOrDefault(m => m.Name == "get_Root");
+        MethodDefinition? projectGeneratorGetGodotSdk = projectGeneratorTypeDef.Methods
+            .FirstOrDefault(m => m.Name == "get_GodotSdkAttrValue");
+
+        MethodDefinition? msBuildProjectSetHasUnsavedChanges  = msBuildProjectTypeDef.Methods
+            .FirstOrDefault(m => m.Name == "set_HasUnsavedChanges");
+        
+        
+        MethodReference? preGetSdk = method.Body.Instructions
+            .Select(i => i.Operand)
+            .OfType<MethodReference>()
+            .FirstOrDefault(m => m.Name == "get_Sdk");
+        
+        
+        MethodReference? preSetSdk = method.Body.Instructions
+            .Select(i => i.Operand)
+            .OfType<MethodReference>()
+            .FirstOrDefault(m => m.Name == "set_Sdk");
+        
+        foreach (Instruction instruction in method.Body.Instructions)
+        {
+            
+        }
+
+        method.Body.Instructions.Clear();
+        method.Body.ExceptionHandlers.Clear();
+        method.Body.Variables.Clear();
+        ILProcessor il = method.Body.GetILProcessor();
+
+
+        
+        //VariableDefinition root = new VariableDefinition(projectRootElementTypeDef);
+        method.Body.Variables.Add(root);
+        VariableDefinition godotSdk = new VariableDefinition(stringType);
+        method.Body.Variables.Add(godotSdk);
+        method.Body.InitLocals = true;
+        il.Append(il.Create(OpCodes.Ldarg_0));
+        il.Append(il.Create(OpCodes.Callvirt, msBuildProjectGetRoot));
+        il.Append(il.Create(OpCodes.Stloc_0));
+        
+        il.Append(il.Create(OpCodes.Call, projectGeneratorGetGodotSdk));
+        il.Append(il.Create(OpCodes.Stloc_1));
+        
+        il.Append(il.Create(OpCodes.Ldloc_0));
+        il.Append(il.Create(OpCodes.Callvirt, preGetSdk));
+
+
+        il.Append(il.Create(OpCodes.Call, method.Module
+                .ImportReference(
+                    typeof(string).GetMethod("IsNullOrEmpty", [typeof(string)]))
+            )
+        );
+
+        Instruction setSdk = il.Create(OpCodes.Nop);
+        il.Append(il.Create(OpCodes.Brtrue_S, setSdk));
+        
+        il.Append(il.Create(OpCodes.Ldloc_0));
+        il.Append(il.Create(OpCodes.Callvirt, preGetSdk));
+        il.Append(il.Create(OpCodes.Callvirt, method.Module
+            .ImportReference(typeof(string).GetMethod("Trim", Type.EmptyTypes)))
+        );
+        il.Append(il.Create(OpCodes.Ldloc_1));
+        il.Append(il.Create(OpCodes.Ldc_I4_5));
+        il.Append(il.Create(OpCodes.Callvirt, method.Module
+                .ImportReference(
+                    typeof(string).GetMethod("Equals", [typeof(string), typeof(StringComparison)]))
+            )
+        );
+        
+        Instruction notMatch = il.Create(OpCodes.Nop);
+        il.Append(il.Create(OpCodes.Brfalse_S, notMatch));
+        il.Append(il.Create(OpCodes.Ret));
+        il.Append(notMatch);
+        
+        il.Append(il.Create(OpCodes.Ldloc_0));
+        il.Append(il.Create(OpCodes.Callvirt, preGetSdk));
+        il.Append(il.Create(OpCodes.Callvirt, method.Module
+            .ImportReference(typeof(string).GetMethod("Trim", Type.EmptyTypes)))
+        );
+        il.Append(il.Create(OpCodes.Ldstr, $"Polonium.Sdk/{version}"));
+        il.Append(il.Create(OpCodes.Ldc_I4_5));
+        il.Append(il.Create(OpCodes.Callvirt, method.Module
+                .ImportReference(
+                    typeof(string).GetMethod("Equals", [typeof(string), typeof(StringComparison)]))
+            )
+        );
+        il.Append(il.Create(OpCodes.Brfalse_S, setSdk));
+        il.Append(il.Create(OpCodes.Ret));
+        il.Append(setSdk);
+        il.Append(il.Create(OpCodes.Ldloc_0));
+        il.Append(il.Create(OpCodes.Ldloc_1));
+        il.Append(il.Create(OpCodes.Callvirt, preSetSdk));
+        
+        il.Append(il.Create(OpCodes.Ldarg_0));
+        il.Append(il.Create(OpCodes.Ldc_I4_1));
+        il.Append(il.Create(OpCodes.Callvirt, msBuildProjectSetHasUnsavedChanges));
+        
+        il.Append(il.Create(OpCodes.Ret));
+        
+        
+        
+        assembly.Write($"{dllPath}.2.dll");
+        File.Replace($"{dllPath}.2.dll", dllPath, null);
+    }
+
+
+    private static string GetAppImagePath()
+    {        
+        try
+        {
+            string exePath = "/proc/self/exe";
+            if (File.Exists(exePath))
+            {
+                return Path.GetFullPath(new FileInfo(exePath).FullName);
+            }
+        }
+        catch (Exception ex)
+        {
+            return "";
+        }
+        return "";
+    }
+}