Initial commit

2025-12-31 17:48:12 +03:00 · 2019-10-31 12:24:41 +01:00
commit 60dd167788
31 changed files with 2196 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,356 @@
+# Rider
+.idea/
+
+# Visual Studio Code
+.vscode/
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
--- a/GodotAddin.sln
+++ b/GodotAddin.sln
@@ -0,0 +1,23 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GodotAddin", "GodotAddin\GodotAddin.csproj", "{EE86BFF1-F6B6-42AA-9121-EE2FAC123A12}"
+EndProject
+Project("{9344BDBB-3E7F-41FC-A0DD-8665D75EE146}") = "GodotTools.IdeConnection", "GodotTools.IdeConnection\GodotTools.IdeConnection.csproj", "{12E66B0C-89B7-4E95-AE75-7E92A4B90EB9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EE86BFF1-F6B6-42AA-9121-EE2FAC123A12}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EE86BFF1-F6B6-42AA-9121-EE2FAC123A12}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EE86BFF1-F6B6-42AA-9121-EE2FAC123A12}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EE86BFF1-F6B6-42AA-9121-EE2FAC123A12}.Release|Any CPU.Build.0 = Release|Any CPU
+		{12E66B0C-89B7-4E95-AE75-7E92A4B90EB9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{12E66B0C-89B7-4E95-AE75-7E92A4B90EB9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{12E66B0C-89B7-4E95-AE75-7E92A4B90EB9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{12E66B0C-89B7-4E95-AE75-7E92A4B90EB9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal
--- a/GodotAddin/GodotAddin.csproj
+++ b/GodotAddin/GodotAddin.csproj
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <TargetFramework>net471</TargetFramework>
+    </PropertyGroup>
+    <ItemGroup>
+        <AddinReference Include="MonoDevelop.Debugger" />
+        <AddinReference Include="MonoDevelop.Debugger.Soft" />
+    </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="MonoDevelop.Addins" Version="0.4.7" />
+    </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\GodotTools.IdeConnection\GodotTools.IdeConnection.csproj">
+        </ProjectReference>
+    </ItemGroup>
+</Project>
--- a/GodotAddin/GodotDebuggerEngine.cs
+++ b/GodotAddin/GodotDebuggerEngine.cs
@@ -0,0 +1,80 @@
+using System.IO;
+using System.Net;
+using System.Text.RegularExpressions;
+using Mono.Debugging.Client;
+using Mono.Debugging.Soft;
+using MonoDevelop.Core.Execution;
+using MonoDevelop.Debugger;
+using MonoDevelop.Ide;
+
+namespace GodotAddin
+{
+    public class GodotDebuggerEngine : DebuggerEngineBackend
+    {
+        public GodotDebuggerEngine()
+        {
+            IdeApp.ProjectOperations.EndBuild += OnProjectOperationsEndBuild;
+        }
+
+        private void OnProjectOperationsEndBuild(object sender, MonoDevelop.Projects.BuildEventArgs args)
+        {
+            foreach (var session in DebuggingService.GetSessions())
+            {
+                if (session is GodotDebuggerSession godotSession)
+                    godotSession.SendReloadScipts();
+            }
+        }
+
+        public override bool CanDebugCommand(ExecutionCommand cmd)
+        {
+            return cmd is GodotExecutionCommand;
+        }
+
+        public override DebuggerStartInfo CreateDebuggerStartInfo(ExecutionCommand cmd)
+        {
+            var godotCmd = (GodotExecutionCommand)cmd;
+            var godotProjectPath = godotCmd.GodotProjectPath;
+
+            int attachPort = 23685; // Default if not modified
+
+            // Try read the debugger agent port from the 'project.godot' file
+            if (File.Exists(godotProjectPath))
+            {
+                // [mono] "debugger_agent/port"
+                var regex = new Regex(@"debugger_agent/port=([0-9]+)");
+                foreach (string line in File.ReadAllLines(godotProjectPath))
+                {
+                    var match = regex.Match(line);
+
+                    if (match.Success)
+                    {
+                        attachPort = int.Parse(match.Groups[1].Value);
+                        break;
+                    }
+                }
+            }
+
+            SoftDebuggerRemoteArgs args;
+
+            if (godotCmd.ExecutionType == ExecutionType.Launch)
+                args = new SoftDebuggerListenArgs("Godot", IPAddress.Loopback, 0);
+            else
+                args = new SoftDebuggerConnectArgs("Godot", IPAddress.Loopback, attachPort);
+
+            return new GodotDebuggerStartInfo(godotCmd, args)
+            {
+                WorkingDirectory = godotCmd.WorkingDirectory
+            };
+        }
+
+        public override DebuggerSession CreateSession()
+        {
+            return new GodotDebuggerSession();
+        }
+
+        public override bool IsDefaultDebugger(ExecutionCommand cmd)
+        {
+            return true;
+        }
+    }
+}
--- a/GodotAddin/GodotDebuggerSession.cs
+++ b/GodotAddin/GodotDebuggerSession.cs
@@ -0,0 +1,199 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Net.Sockets;
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+using Mono.Debugging.Client;
+using Mono.Debugging.Soft;
+using GodotAddin.Utils;
+using System.Collections.Generic;
+
+namespace GodotAddin
+{
+    public class GodotDebuggerSession : SoftDebuggerSession
+    {
+        bool attached;
+        private NetworkStream godotRemoteDebuggerStream;
+        private GodotExecutionCommand GodotCmd;
+
+        public void SendReloadScipts()
+        {
+            switch (GodotCmd.ExecutionType)
+            {
+                case ExecutionType.Launch:
+                    GodotVariantEncoder.Encode(
+                        new List<GodotVariant> { "reload_scripts" },
+                        godotRemoteDebuggerStream
+                    );
+                    break;
+                case ExecutionType.PlayInEditor:
+                case ExecutionType.Attach:
+                    GodotCmd.GodotIdeClient.SendReloadScripts();
+                    break;
+                default:
+                    throw new NotImplementedException(GodotCmd.ExecutionType.ToString());
+            }
+        }
+
+        private struct ThreadStartArgs
+        {
+            public bool IsStdErr;
+            public StreamReader Stream;
+        }
+
+        private string GetGodotExecutablePath()
+        {
+            if (Settings.AlwaysUseConfiguredExecutable)
+                return Settings.GodotExecutablePath;
+
+            string godotPath = GodotCmd.GodotIdeClient.GodotEditorExecutablePath;
+
+            if (string.IsNullOrEmpty(godotPath) || !File.Exists(godotPath))
+                return Settings.GodotExecutablePath;
+
+            return godotPath;
+        }
+
+        protected override void OnRun(DebuggerStartInfo startInfo)
+        {
+            var godotStartInfo = (GodotDebuggerStartInfo)startInfo;
+
+            GodotCmd = godotStartInfo.GodotCmd;
+
+            switch (GodotCmd.ExecutionType)
+            {
+                case ExecutionType.PlayInEditor:
+                {
+                    attached = false;
+                    StartListening(godotStartInfo, out var assignedDebugPort);
+
+                    string host = "127.0.0.1";
+
+                    GodotCmd.GodotIdeClient.SendPlay(host, assignedDebugPort);
+
+                    // TODO: Read the editor player stdout and stderr somehow
+
+                    break;
+                }
+                case ExecutionType.Launch:
+                {
+                    attached = false;
+                    StartListening(godotStartInfo, out var assignedDebugPort);
+
+                    // Listener to replace the Godot editor remote debugger.
+                    // We use it to notify the game when assemblies should be reloaded.
+                    var remoteDebugListener = new TcpListener(IPAddress.Any, 0);
+                    remoteDebugListener.Start();
+                    remoteDebugListener.AcceptTcpClientAsync().ContinueWith(OnGodotRemoteDebuggerConnected);
+
+                    string workingDir = startInfo.WorkingDirectory;
+                    string host = "127.0.0.1";
+                    int remoteDebugPort = ((IPEndPoint)remoteDebugListener.LocalEndpoint).Port;
+
+                    // Launch Godot to run the game and connect to our remote debugger
+
+                    var processStartInfo = new ProcessStartInfo(GetGodotExecutablePath())
+                    {
+                        Arguments = $"--path {workingDir} --remote-debug {host}:{remoteDebugPort}",
+                        WorkingDirectory = workingDir,
+                        RedirectStandardOutput = true,
+                        RedirectStandardError = true,
+                        UseShellExecute = false,
+                        CreateNoWindow = true
+                    };
+
+                    // Tells Godot to connect to the mono debugger we just started
+                    processStartInfo.EnvironmentVariables["GODOT_MONO_DEBUGGER_AGENT"] =
+                        "--debugger-agent=transport=dt_socket" +
+                        $",address={host}:{assignedDebugPort}" +
+                        ",server=n";
+                    
+                    var process = Process.Start(processStartInfo);
+
+                    // Listen for StdOut and StdErr
+
+                    var stdOutThread = new Thread(OutputReader)
+                    {
+                        Name = "Godot StandardOutput Reader",
+                        IsBackground = true
+                    };
+                    stdOutThread.Start(new ThreadStartArgs {
+                        IsStdErr = false, Stream = process.StandardOutput
+                    });
+
+                    var stdErrThread = new Thread(OutputReader)
+                    {
+                        Name = "Godot StandardError Reader",
+                        IsBackground = true
+                    };
+                    stdErrThread.Start(new ThreadStartArgs {
+                        IsStdErr = true, Stream = process.StandardError
+                    });
+
+                    OnDebuggerOutput(false, $"Godot PID:{process.Id}{Environment.NewLine}");
+
+                    break;
+                }
+                case ExecutionType.Attach:
+                {
+                    attached = true;
+                    StartConnecting(godotStartInfo);
+                    break;
+                }
+                default:
+                    throw new NotImplementedException(GodotCmd.ExecutionType.ToString());
+            }
+        }
+
+        private async Task OnGodotRemoteDebuggerConnected(Task<TcpClient> task)
+        {
+            var tcpClient = task.Result;
+            godotRemoteDebuggerStream = tcpClient.GetStream();
+            byte[] buffer = new byte[1000];
+            while (tcpClient.Connected)
+            {
+                // There is no library to decode this messages, so
+                // we just pump buffer so it doesn't go out of memory
+                var readBytes = await godotRemoteDebuggerStream.ReadAsync(buffer, 0, buffer.Length);
+            }
+        }
+
+        protected override bool HandleException(Exception ex)
+        {
+            // When we attach to running Mono process it sends us AssemblyLoad, ThreadStart and other
+            // delayed events, problem is, that we send VM_START command back since we have to do that on
+            // every event, but in this case when Mono is sending delayed events when we attach
+            // runtime is not really suspended, hence it's throwing this exceptions, just ignore...
+            if (attached && ex is Mono.Debugger.Soft.VMNotSuspendedException)
+                return true;
+            return base.HandleException(ex);
+        }
+
+        protected override void OnExit()
+        {
+            if (attached)
+                base.OnDetach();
+            else
+                base.OnExit();
+        }
+
+        private void OutputReader(object args)
+        {
+            var startArgs = (ThreadStartArgs)args;
+
+            foreach (string line in startArgs.Stream.EnumerateLines())
+            {
+                try
+                {
+                    OnTargetOutput(startArgs.IsStdErr, line + Environment.NewLine);
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+            }
+        }
+    }
+}
--- a/GodotAddin/GodotDebuggerStartInfo.cs
+++ b/GodotAddin/GodotDebuggerStartInfo.cs
@@ -0,0 +1,15 @@
+using Mono.Debugging.Soft;
+
+namespace GodotAddin
+{
+    public class GodotDebuggerStartInfo : SoftDebuggerStartInfo
+    {
+        public GodotExecutionCommand GodotCmd { get; }
+
+        public GodotDebuggerStartInfo(GodotExecutionCommand godotCmd, SoftDebuggerRemoteArgs softDebuggerConnectArgs) :
+            base(softDebuggerConnectArgs)
+        {
+            GodotCmd = godotCmd;
+        }
+    }
+}
--- a/GodotAddin/GodotExecutionCommand.cs
+++ b/GodotAddin/GodotExecutionCommand.cs
@@ -0,0 +1,28 @@
+using MonoDevelop.Core.Execution;
+
+namespace GodotAddin
+{
+    public class GodotExecutionCommand : ExecutionCommand
+    {
+        public GodotExecutionCommand(string godotProjectPath, ExecutionType executionType,
+            string workingDirectory, GodotMonoDevelopClient godotIdeClient)
+        {
+            GodotProjectPath = godotProjectPath;
+            ExecutionType = executionType;
+            WorkingDirectory = workingDirectory;
+            GodotIdeClient = godotIdeClient;
+        }
+
+        public string GodotProjectPath { get; }
+        public ExecutionType ExecutionType { get; }
+        public string WorkingDirectory { get; }
+        public GodotMonoDevelopClient GodotIdeClient { get; }
+    }
+
+    public enum ExecutionType
+    {
+        PlayInEditor,
+        Launch,
+        Attach
+    }
+}
--- a/GodotAddin/GodotMonoDevelopClient.cs
+++ b/GodotAddin/GodotMonoDevelopClient.cs
@@ -0,0 +1,97 @@
+using System;
+using System.Threading;
+using GodotTools.IdeConnection;
+using MonoDevelop.Core;
+using MonoDevelop.Ide;
+using MonoDevelop.Ide.Gui;
+
+namespace GodotAddin
+{
+    public class GodotMonoDevelopClient : GodotIdeClient
+    {
+        private class MonoDevelopLogger : ILogger
+        {
+            public void LogDebug(string message)
+            {
+                LoggingService.LogDebug(message);
+            }
+
+            public void LogInfo(string message)
+            {
+                LoggingService.LogInfo(message);
+            }
+
+            public void LogWarning(string message)
+            {
+                LoggingService.LogWarning(message);
+            }
+
+            public void LogError(string message)
+            {
+                LoggingService.LogError(message);
+            }
+
+            public void LogError(string message, Exception e)
+            {
+                LoggingService.LogError(message, e);
+            }
+        }
+
+        public GodotMonoDevelopClient(string projectMetadataDir) : base(projectMetadataDir)
+        {
+            Logger = new MonoDevelopLogger();
+        }
+
+        public string GodotEditorExecutablePath => GodotIdeMetadata.EditorExecutablePath;
+
+        private static void DispatchToGuiThread(Action action)
+        {
+            var d = new SendOrPostCallback((target) => action());
+            DispatchService.SynchronizationContext.Send(d, null);
+        }
+
+        protected override void OpenFile(string file)
+        {
+            OpenFile(file, line: 0, column: 0);
+        }
+
+        protected override void OpenFile(string file, int line)
+        {
+            OpenFile(file, line, column: 0);
+        }
+
+        protected override void OpenFile(string file, int line, int column)
+        {
+
+            DispatchToGuiThread(() =>
+            {
+                var fileOpenInfo = new FileOpenInformation(new FilePath(file),
+                    project: null /* autodetect */,
+                    line: line,
+                    column: column,
+                    options: OpenDocumentOptions.Default
+                );
+
+                IdeApp.OpenFiles(new[] { fileOpenInfo });
+
+                // Make the Ide window grab focus
+                IdeApp.Workbench.Present();
+            });
+        }
+
+        public bool SendPlay()
+        {
+            return WriteMessage(new Message("Play"));
+        }
+
+        public bool SendPlay(string debuggerHost, int debuggerPort)
+        {
+            return WriteMessage(new Message("Play", debuggerHost, debuggerPort.ToString()));
+        }
+
+        public bool SendReloadScripts()
+        {
+            return WriteMessage(new Message("ReloadScripts"));
+        }
+    }
+}
--- a/GodotAddin/GodotOptionsPanel.cs
+++ b/GodotAddin/GodotOptionsPanel.cs
@@ -0,0 +1,64 @@
+using MonoDevelop.Ide.Gui.Dialogs;
+using MonoDevelop.Components;
+using MonoDevelop.Core;
+
+namespace GodotAddin
+{
+    public class GodotOptionsPanel : OptionsPanel
+    {
+        FileEntry godotExeFileEntry = new FileEntry();
+        Gtk.CheckButton alwaysUseExeCheckButton = new Gtk.CheckButton();
+
+        public override Control CreatePanelWidget()
+        {
+            var vbox = new Gtk.VBox { Spacing = 6 };
+
+            var generalSectionLabel = new Gtk.Label
+            {
+                Text = $"<b>{GettextCatalog.GetString("General")}</b>",
+                UseMarkup = true,
+                Xalign = 0
+            };
+
+            vbox.PackStart(generalSectionLabel, false, false, 0);
+
+            var godotExeHBox = new Gtk.HBox { BorderWidth = 10, Spacing = 6 };
+
+            var godotExeLabel = new Gtk.Label
+            {
+                Text = GettextCatalog.GetString("Godot executable:"),
+                Xalign = 0
+            };
+
+            godotExeHBox.PackStart(godotExeLabel, false, false, 0);
+            godotExeFileEntry.Path = Settings.GodotExecutablePath.Value;
+            godotExeHBox.PackStart(godotExeFileEntry, true, true, 0);
+
+            vbox.PackStart(godotExeHBox, false, false, 0);
+
+            var alwaysUseExeHBox = new Gtk.HBox { BorderWidth = 10, Spacing = 6 };
+
+            var alwaysUseExeLabel = new Gtk.Label
+            {
+                Text = GettextCatalog.GetString("Always use this executable:"),
+                Xalign = 0
+            };
+
+            alwaysUseExeHBox.PackStart(alwaysUseExeLabel, false, false, 0);
+            alwaysUseExeCheckButton.Active = Settings.AlwaysUseConfiguredExecutable.Value;
+            alwaysUseExeHBox.PackStart(alwaysUseExeCheckButton, true, true, 0);
+
+            vbox.PackStart(alwaysUseExeHBox, false, false, 0);
+
+            vbox.ShowAll();
+
+            return vbox;
+        }
+
+        public override void ApplyChanges()
+        {
+            Settings.GodotExecutablePath.Value = godotExeFileEntry.Path;
+            Settings.GodotExecutablePath.Value = godotExeFileEntry.Path;
+        }
+    }
+}
--- a/GodotAddin/GodotProjectExtension.cs
+++ b/GodotAddin/GodotProjectExtension.cs
@@ -0,0 +1,169 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using MonoDevelop.Core;
+using MonoDevelop.Core.Execution;
+using MonoDevelop.Ide;
+using MonoDevelop.Projects;
+
+namespace GodotAddin
+{
+    [ExportProjectModelExtension]
+    public class GodotProjectExtension : DotNetProjectExtension, IDisposable
+    {
+        private static readonly SolutionItemRunConfiguration[] runConfigurations =
+        {
+            new ProjectRunConfiguration("Play in Editor"),
+            new ProjectRunConfiguration("Launch"),
+            new ProjectRunConfiguration("Attach")
+        };
+
+        private static readonly ExecutionType[] executionTypes =
+        {
+            ExecutionType.PlayInEditor,
+            ExecutionType.Launch,
+            ExecutionType.Attach
+        };
+
+        private static SolutionItemRunConfiguration GetRunConfiguration(ExecutionType type)
+        {
+            switch (type)
+            {
+                case ExecutionType.PlayInEditor:
+                    return runConfigurations[0];
+                case ExecutionType.Launch:
+                    return runConfigurations[1];
+                case ExecutionType.Attach:
+                    return runConfigurations[2];
+                default:
+                    throw new NotSupportedException();
+            }
+        }
+
+        private GodotMonoDevelopClient godotIdeClient;
+
+        protected override void OnItemReady()
+        {
+            base.OnItemReady();
+
+            if (!IsGodotProject())
+                return;
+
+            string godotProjectDir = Path.GetDirectoryName(GetGodotProjectPath());
+            string godotProjectMetadataDir = Path.Combine(godotProjectDir, ".mono", "metadata");
+            LoggingService.LogInfo($"Godot project directory is: {godotProjectDir}");
+
+            try
+            {
+                godotIdeClient?.Dispose();
+                godotIdeClient = new GodotMonoDevelopClient(godotProjectMetadataDir);
+                godotIdeClient.Start();
+            }
+            catch (Exception e)
+            {
+                LoggingService.LogError("Exception when initializing Godot Ide Client", e);
+            }
+        }
+
+        protected override IEnumerable<SolutionItemRunConfiguration> OnGetRunConfigurations(OperationContext ctx)
+        {
+            if (IsGodotProject())
+                return runConfigurations;
+
+            return base.OnGetRunConfigurations(ctx);
+        }
+
+        protected override ExecutionCommand OnCreateExecutionCommand(ConfigurationSelector configSel, DotNetProjectConfiguration configuration, ProjectRunConfiguration runConfiguration)
+        {
+            if (IsGodotProject())
+            {
+                var runConfigurationIndex = runConfigurations.IndexOf(runConfiguration);
+
+                if (runConfigurationIndex == -1)
+                    LoggingService.LogError($"Unexpected RunConfiguration {runConfiguration.Id} {runConfiguration.GetType().FullName}");
+
+                var executionType = executionTypes[runConfigurationIndex];
+
+                if (executionType == ExecutionType.PlayInEditor && !godotIdeClient.IsConnected)
+                    LoggingService.LogError($"Cannot launch editor player because the Godot Ide Client is not connected");
+
+                string godotProjectPath = GetGodotProjectPath();
+
+                return new GodotExecutionCommand(
+                    godotProjectPath,
+                    executionType,
+                    Path.GetDirectoryName(godotProjectPath),
+                    godotIdeClient
+                );
+            }
+
+            return base.OnCreateExecutionCommand(configSel, configuration, runConfiguration);
+        }
+
+        private string GetGodotProjectPath()
+        {
+            return Path.Combine(Path.GetDirectoryName(Project.ParentSolution.FileName), "project.godot");
+        }
+
+        private bool? cachedIsGodotProject;
+
+        private bool IsGodotProject()
+        {
+            if (!cachedIsGodotProject.HasValue)
+                cachedIsGodotProject = File.Exists(GetGodotProjectPath());
+            return cachedIsGodotProject.Value;
+        }
+
+        protected override ProjectFeatures OnGetSupportedFeatures()
+        {
+            var features = base.OnGetSupportedFeatures();
+            if (IsGodotProject())
+                features |= ProjectFeatures.Execute;
+            return features;
+        }
+
+        protected override bool OnGetCanExecute(ExecutionContext context, ConfigurationSelector configuration, SolutionItemRunConfiguration runConfiguration)
+        {
+            if (IsGodotProject())
+            {
+                if (runConfiguration == GetRunConfiguration(ExecutionType.PlayInEditor))
+                {
+                    // 'Play in Editor' requires the Godot Ide Client to be connected
+                    // to a server and the selected run configuration to be 'Tools'.
+                    if (!godotIdeClient.IsConnected || IdeApp.Workspace.ActiveConfigurationId != "Tools")
+                        return false;
+                }
+
+                return true;
+            }
+
+            return base.OnGetCanExecute(context, configuration, runConfiguration);
+        }
+
+        protected override async Task OnExecuteCommand(ProgressMonitor monitor, ExecutionContext context, ConfigurationSelector configuration, ExecutionCommand executionCommand)
+        {
+            if (executionCommand is GodotExecutionCommand godotCmd)
+            {
+                if (godotCmd.ExecutionType == ExecutionType.Launch)
+                {
+                    if (!File.Exists(Settings.GodotExecutablePath))
+                    {
+                        // Delay for 1 sec so it's not overriden by build message
+                        await Task.Delay(1000);
+                        monitor.ReportError(GettextCatalog.GetString($"Godot executable \"{Settings.GodotExecutablePath.Value}\" not found. Update Godot executable setting in perferences."));
+                        return;
+                    }
+                }
+            }
+            await base.OnExecuteCommand(monitor, context, configuration, executionCommand);
+        }
+
+        public override void Dispose()
+        {
+            base.Dispose();
+
+            godotIdeClient?.Dispose();
+        }
+    }
+}
--- a/GodotAddin/GodotSoftDebuggerArgs.cs
+++ b/GodotAddin/GodotSoftDebuggerArgs.cs
@@ -0,0 +1,14 @@
+using System.Net;
+using Mono.Debugging.Soft;
+
+namespace GodotAddin
+{
+    public class GodotSoftDebuggerArgs : SoftDebuggerRemoteArgs
+    {
+        public GodotSoftDebuggerArgs(string appName, IPAddress address, int debugPort, int outputPort) : base(appName, address, debugPort, outputPort)
+        {
+        }
+
+        public override ISoftDebuggerConnectionProvider ConnectionProvider => null;
+    }
+}
--- a/GodotAddin/GodotVariant.cs
+++ b/GodotAddin/GodotVariant.cs
@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace GodotAddin
+{
+    // Incomplete implementation of the Godot's Variant encoder. Add missing parts as needed.
+
+    public class GodotVariantEncoder
+    {
+        private List<byte> buffer = new List<byte>();
+
+        public int Length => buffer.Count;
+
+        public byte[] ToArray() => buffer.ToArray();
+
+        public void AddBytes(params byte[] bytes) =>
+            buffer.AddRange(bytes);
+
+        public void AddInt(int value) =>
+            AddBytes(BitConverter.GetBytes(value));
+
+        public void AddType(GodotVariant.Type type) =>
+            AddInt((int)type);
+
+        public void AddString(string value)
+        {
+            byte[] utf8Bytes = Encoding.UTF8.GetBytes(value);
+
+            AddType(GodotVariant.Type.String);
+            AddInt(utf8Bytes.Length);
+            AddBytes(utf8Bytes);
+            AddBytes(0); // Godot's UTF8 converter adds a trailing whitespace
+
+            while (buffer.Count % 4 != 0)
+                buffer.Add(0);
+        }
+
+        public void AddArray(List<GodotVariant> array)
+        {
+            AddType(GodotVariant.Type.Array);
+            AddInt((int)array.Count);
+
+            foreach (object element in array)
+            {
+                if (element is string str)
+                    AddString(str);
+                else
+                    throw new NotImplementedException();
+            }
+        }
+
+        public static void Encode(GodotVariant variant, Stream stream)
+        {
+            using (var writer = new BinaryWriter(stream, new UTF8Encoding(false, true), leaveOpen: true))
+            {
+                var encoder = new GodotVariantEncoder();
+                switch (variant.VariantType)
+                {
+                    case GodotVariant.Type.String:
+                        encoder.AddString((string)variant.Value);
+                        break;
+                    case GodotVariant.Type.Array:
+                        encoder.AddArray((List<GodotVariant>)variant.Value);
+                        break;
+                    default:
+                        throw new NotImplementedException();
+                }
+
+                writer.Write((int)encoder.Length);
+                writer.Write(encoder.ToArray());
+            }
+        }
+    }
+
+    public class GodotVariant
+    {
+        public enum Type
+        {
+            Nil = 0,
+            Bool = 1,
+            Int = 2,
+            Real = 3,
+            String = 4,
+            Vector2 = 5,
+            Rect2 = 6,
+            Vector3 = 7,
+            Transform2d = 8,
+            Quat = 10,
+            Aabb = 11,
+            Basis = 12,
+            Transform = 13,
+            Color = 14,
+            NodePath = 15,
+            Rid = 16,
+            Object = 17,
+            Dictionary = 18,
+            Array = 19,
+            RawArray = 20,
+            IntArray = 21,
+            RealArray = 22,
+            StringArray = 23,
+            Vector2Array = 24,
+            Vector3Array = 25,
+            ColorArray = 26,
+            Max = 27
+        }
+
+        public object Value { get; }
+        public Type VariantType { get; }
+
+        public GodotVariant(string value)
+        {
+            Value = value;
+            VariantType = Type.String;
+        }
+
+        public GodotVariant(List<GodotVariant> value)
+        {
+            Value = value;
+            VariantType = Type.Array;
+        }
+
+        public static implicit operator GodotVariant(string value) => new GodotVariant(value);
+        public static implicit operator GodotVariant(List<GodotVariant> value) => new GodotVariant(value);
+    }
+}
--- a/GodotAddin/Properties/AddinInfo.cs
+++ b/GodotAddin/Properties/AddinInfo.cs
@@ -0,0 +1,13 @@
+using Mono.Addins;
+using Mono.Addins.Description;
+
+[assembly: Addin(
+    "GodotAddin",
+    Namespace = "GodotAddin",
+    Version = "1.0"
+)]
+
+[assembly: AddinName("Godot Addin")]
+[assembly: AddinCategory("IDE extensions")]
+[assembly: AddinDescription("Extension for the Godot game engine")]
+[assembly: AddinAuthor("Godot Engine contributors")]
--- a/GodotAddin/Properties/Manifest.addin.xml
+++ b/GodotAddin/Properties/Manifest.addin.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ExtensionModel>
+    <Extension path="/MonoDevelop/Debugging/DebuggerEngines">
+        <DebuggerEngine
+            id="MonoDevelop.MicroFramework.Debugger"
+            name="Debugger for Godot"
+            features="Breakpoints, Pause, Stepping, DebugFile, ConditionalBreakpoints, Tracepoints, Catchpoints, Disassembly"
+            type="GodotAddin.GodotDebuggerEngine" />
+    </Extension>
+    <Extension path="/MonoDevelop/Ide/GlobalOptionsDialog">
+        <Section id="Godot" _label="Godot Engine" insertafter="VersionControl">
+            <Section id="GodotGeneral" _label="General" fill="true" class="GodotAddin.GodotOptionsPanel" />
+        </Section>
+    </Extension>
+</ExtensionModel>
--- a/GodotAddin/Settings.cs
+++ b/GodotAddin/Settings.cs
@@ -0,0 +1,30 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using MonoDevelop.Core;
+
+namespace GodotAddin
+{
+    public static class Settings
+    {
+        private static string DetermineDefaultGodotPath()
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+                return "/Applications/Godot_mono.app/Contents/MacOS/Godot";
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+                return Path.Combine(Environment.GetEnvironmentVariable("HOME") ?? string.Empty, "Godot_x11");
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                return Path.Combine(Environment.GetEnvironmentVariable("USERPROFILE") ?? string.Empty, "Godot_win32.exe");
+
+            return string.Empty;
+        }
+
+        public static readonly ConfigurationProperty<string> GodotExecutablePath =
+            ConfigurationProperty.Create("Godot.GodotExecutable", DetermineDefaultGodotPath());
+
+        public static readonly ConfigurationProperty<bool> AlwaysUseConfiguredExecutable =
+            ConfigurationProperty.Create("Godot.AlwaysUseConfiguredExecutable", false);
+    }
+}
--- a/GodotAddin/Utils/ExtensionMethods.cs
+++ b/GodotAddin/Utils/ExtensionMethods.cs
@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System.IO;
+
+namespace GodotAddin.Utils
+{
+    public static class ExtensionMethods
+    {
+        public static IEnumerable<string> EnumerateLines(this TextReader textReader)
+        {
+            string line;
+            while ((line = textReader.ReadLine()) != null)
+                yield return line;
+        }
+    }
+}
--- a/GodotTools.IdeConnection/ConsoleLogger.cs
+++ b/GodotTools.IdeConnection/ConsoleLogger.cs
@@ -0,0 +1,33 @@
+using System;
+
+namespace GodotTools.IdeConnection
+{
+    public class ConsoleLogger : ILogger
+    {
+        public void LogDebug(string message)
+        {
+            Console.WriteLine("DEBUG: " + message);
+        }
+
+        public void LogInfo(string message)
+        {
+            Console.WriteLine("INFO: " + message);
+        }
+
+        public void LogWarning(string message)
+        {
+            Console.WriteLine("WARN: " + message);
+        }
+
+        public void LogError(string message)
+        {
+            Console.WriteLine("ERROR: " + message);
+        }
+
+        public void LogError(string message, Exception e)
+        {
+            Console.WriteLine("EXCEPTION: " + message);
+            Console.WriteLine(e);
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeBase.cs
+++ b/GodotTools.IdeConnection/GodotIdeBase.cs
@@ -0,0 +1,94 @@
+using System;
+using Path = System.IO.Path;
+
+namespace GodotTools.IdeConnection
+{
+    public class GodotIdeBase : IDisposable
+    {
+        private ILogger logger;
+
+        public ILogger Logger
+        {
+            get => logger ?? (logger = new ConsoleLogger());
+            set => logger = value;
+        }
+
+        private readonly string projectMetadataDir;
+
+        protected const string MetaFileName = "ide_server_meta.txt";
+        protected string MetaFilePath => Path.Combine(projectMetadataDir, MetaFileName);
+
+        private GodotIdeConnection connection;
+        protected readonly object ConnectionLock = new object();
+
+        public bool IsDisposed { get; private set; } = false;
+
+        public bool IsConnected => connection != null && !connection.IsDisposed && connection.IsConnected;
+
+        public event Action Connected
+        {
+            add
+            {
+                if (connection != null && !connection.IsDisposed)
+                    connection.Connected += value;
+            }
+            remove
+            {
+                if (connection != null && !connection.IsDisposed)
+                    connection.Connected -= value;
+            }
+        }
+
+        protected GodotIdeConnection Connection
+        {
+            get => connection;
+            set
+            {
+                connection?.Dispose();
+                connection = value;
+            }
+        }
+
+        protected GodotIdeBase(string projectMetadataDir)
+        {
+            this.projectMetadataDir = projectMetadataDir;
+        }
+
+        protected void DisposeConnection()
+        {
+            lock (ConnectionLock)
+            {
+                connection?.Dispose();
+            }
+        }
+
+        ~GodotIdeBase()
+        {
+            Dispose(disposing: false);
+        }
+
+        public void Dispose()
+        {
+            if (IsDisposed)
+                return;
+
+            lock (ConnectionLock)
+            {
+                if (IsDisposed) // lock may not be fair
+                    return;
+                IsDisposed = true;
+            }
+
+            Dispose(disposing: true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                connection?.Dispose();
+            }
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeClient.cs
+++ b/GodotTools.IdeConnection/GodotIdeClient.cs
@@ -0,0 +1,219 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Threading;
+
+namespace GodotTools.IdeConnection
+{
+    public abstract class GodotIdeClient : GodotIdeBase
+    {
+        protected GodotIdeMetadata GodotIdeMetadata;
+
+        private readonly FileSystemWatcher fsWatcher;
+
+        protected GodotIdeClient(string projectMetadataDir) : base(projectMetadataDir)
+        {
+            messageHandlers = InitializeMessageHandlers();
+
+            // FileSystemWatcher requires an existing directory
+            if (!File.Exists(projectMetadataDir))
+                Directory.CreateDirectory(projectMetadataDir);
+
+            fsWatcher = new FileSystemWatcher(projectMetadataDir, MetaFileName);
+        }
+
+        private void OnMetaFileChanged(object sender, FileSystemEventArgs e)
+        {
+            if (IsDisposed)
+                return;
+
+            lock (ConnectionLock)
+            {
+                if (IsDisposed)
+                    return;
+
+                if (!File.Exists(MetaFilePath))
+                    return;
+
+                var metadata = ReadMetadataFile();
+
+                if (metadata != null && metadata != GodotIdeMetadata)
+                {
+                    GodotIdeMetadata = metadata.Value;
+                    ConnectToServer();
+                }
+            }
+        }
+
+        private void OnMetaFileDeleted(object sender, FileSystemEventArgs e)
+        {
+            if (IsDisposed)
+                return;
+
+            if (IsConnected)
+                DisposeConnection();
+
+            // The file may have been re-created
+
+            lock (ConnectionLock)
+            {
+                if (IsDisposed)
+                    return;
+
+                if (IsConnected || !File.Exists(MetaFilePath))
+                    return;
+
+                var metadata = ReadMetadataFile();
+
+                if (metadata != null)
+                {
+                    GodotIdeMetadata = metadata.Value;
+                    ConnectToServer();
+                }
+            }
+        }
+
+        private GodotIdeMetadata? ReadMetadataFile()
+        {
+            using (var reader = File.OpenText(MetaFilePath))
+            {
+                string portStr = reader.ReadLine();
+
+                if (portStr == null)
+                    return null;
+
+                string editorExecutablePath = reader.ReadLine();
+
+                if (editorExecutablePath == null)
+                    return null;
+
+                if (!int.TryParse(portStr, out int port))
+                    return null;
+
+                return new GodotIdeMetadata(port, editorExecutablePath);
+            }
+        }
+
+        private void ConnectToServer()
+        {
+            var tcpClient = new TcpClient();
+
+            Connection = new GodotIdeConnectionClient(tcpClient, HandleMessage);
+            Connection.Logger = Logger;
+
+            try
+            {
+                Logger.LogInfo("Connecting to Godot Ide Server");
+                
+                tcpClient.Connect(IPAddress.Loopback, GodotIdeMetadata.Port);
+
+                Logger.LogInfo("Connection open with Godot Ide Server");
+
+                var clientThread = new Thread(Connection.Start)
+                {
+                    IsBackground = true,
+                    Name = "Godot Ide Connection Client"
+                };
+                clientThread.Start();
+            }
+            catch (SocketException e)
+            {
+                if (e.SocketErrorCode == SocketError.ConnectionRefused)
+                    Logger.LogError("The connection to the Godot Ide Server was refused");
+                else
+                    throw;
+            }
+        }
+
+        public void Start()
+        {
+            Logger.LogInfo("Starting Godot Ide Client");
+            
+            fsWatcher.Changed += OnMetaFileChanged;
+            fsWatcher.Deleted += OnMetaFileDeleted;
+            fsWatcher.EnableRaisingEvents = true;
+
+            lock (ConnectionLock)
+            {
+                if (IsDisposed)
+                    return;
+
+                if (!File.Exists(MetaFilePath))
+                {
+                    Logger.LogInfo("There is no Godot Ide Server running");
+                    return;
+                }
+
+                var metadata = ReadMetadataFile();
+
+                if (metadata != null)
+                {
+                    GodotIdeMetadata = metadata.Value;
+                    ConnectToServer();
+                }
+                else
+                {
+                    Logger.LogError("Failed to read Godot Ide metadata file");
+                }
+            }
+        }
+
+        public bool WriteMessage(Message message)
+        {
+            return Connection.WriteMessage(message);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+
+            if (disposing)
+            {
+                fsWatcher?.Dispose();
+            }
+        }
+
+        protected virtual bool HandleMessage(Message message)
+        {
+            if (messageHandlers.TryGetValue(message.Id, out var action))
+            {
+                action(message.Arguments);
+                return true;
+            }
+
+            return false;
+        }
+
+        private readonly Dictionary<string, Action<string[]>> messageHandlers;
+
+        private Dictionary<string, Action<string[]>> InitializeMessageHandlers()
+        {
+            return new Dictionary<string, Action<string[]>>
+            {
+                ["OpenFile"] = args =>
+                {
+                    switch (args.Length)
+                    {
+                        case 1:
+                            OpenFile(file: args[0]);
+                            return;
+                        case 2:
+                            OpenFile(file: args[0], line: int.Parse(args[1]));
+                            return;
+                        case 3:
+                            OpenFile(file: args[0], line: int.Parse(args[1]), column: int.Parse(args[2]));
+                            return;
+                        default:
+                            throw new ArgumentException();
+                    }
+                }
+            };
+        }
+
+        protected abstract void OpenFile(string file);
+        protected abstract void OpenFile(string file, int line);
+        protected abstract void OpenFile(string file, int line, int column);
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeConnection.cs
+++ b/GodotTools.IdeConnection/GodotIdeConnection.cs
@@ -0,0 +1,207 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Net.Sockets;
+using System.Text;
+
+namespace GodotTools.IdeConnection
+{
+    public abstract class GodotIdeConnection : IDisposable
+    {
+        protected const string Version = "1.0";
+
+        protected static readonly string ClientHandshake = $"Godot Ide Client Version {Version}";
+        protected static readonly string ServerHandshake = $"Godot Ide Server Version {Version}";
+
+        private const int ClientWriteTimeout = 8000;
+        private readonly TcpClient tcpClient;
+
+        private TextReader clientReader;
+        private TextWriter clientWriter;
+
+        private readonly object writeLock = new object();
+
+        private readonly Func<Message, bool> messageHandler;
+
+        public event Action Connected;
+
+        private ILogger logger;
+
+        public ILogger Logger
+        {
+            get => logger ?? (logger = new ConsoleLogger());
+            set => logger = value;
+        }
+
+        public bool IsDisposed { get; private set; } = false;
+
+        public bool IsConnected => tcpClient.Client != null && tcpClient.Client.Connected;
+
+        protected GodotIdeConnection(TcpClient tcpClient, Func<Message, bool> messageHandler)
+        {
+            this.tcpClient = tcpClient;
+            this.messageHandler = messageHandler;
+        }
+
+        public void Start()
+        {
+            try
+            {
+                if (!StartConnection())
+                    return;
+
+                string messageLine;
+                while ((messageLine = ReadLine()) != null)
+                {
+                    if (!MessageParser.TryParse(messageLine, out Message msg))
+                    {
+                        Logger.LogError($"Received message with invalid format: {messageLine}");
+                        continue;
+                    }
+
+                    Logger.LogDebug($"Received message: {msg}");
+
+                    if (msg.Id == "close")
+                    {
+                        Logger.LogInfo("Closing connection");
+                        return;
+                    }
+
+                    try
+                    {
+                        try
+                        {
+                            Debug.Assert(messageHandler != null);
+
+                            if (!messageHandler(msg))
+                                Logger.LogError($"Received unknown message: {msg}");
+                        }
+                        catch (Exception e)
+                        {
+                            Logger.LogError($"Message handler for '{msg}' failed with exception", e);
+                        }
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.LogError($"Exception thrown from message handler. Message: {msg}", e);
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Logger.LogError($"Unhandled exception in the Godot Ide Connection thread", e);
+            }
+            finally
+            {
+                Dispose();
+            }
+        }
+
+        private bool StartConnection()
+        {
+            NetworkStream clientStream = tcpClient.GetStream();
+
+            clientReader = new StreamReader(clientStream, Encoding.UTF8);
+
+            lock (writeLock)
+                clientWriter = new StreamWriter(clientStream, Encoding.UTF8);
+
+            clientStream.WriteTimeout = ClientWriteTimeout;
+
+            if (!WriteHandshake())
+            {
+                Logger.LogError("Could not write handshake");
+                return false;
+            }
+
+            if (!IsValidResponseHandshake(ReadLine()))
+            {
+                Logger.LogError("Received invalid handshake");
+                return false;
+            }
+
+            Connected?.Invoke();
+
+            Logger.LogInfo("Godot Ide connection started");
+
+            return true;
+        }
+
+        private string ReadLine()
+        {
+            try
+            {
+                return clientReader?.ReadLine();
+            }
+            catch (Exception e)
+            {
+                if (IsDisposed)
+                {
+                    var se = e as SocketException ?? e.InnerException as SocketException;
+                    if (se != null && se.SocketErrorCode == SocketError.Interrupted)
+                        return null;
+                }
+
+                throw;
+            }
+        }
+
+        public bool WriteMessage(Message message)
+        {
+            Logger.LogDebug($"Sending message {message}");
+            
+            var messageComposer = new MessageComposer();
+
+            messageComposer.AddArgument(message.Id);
+            foreach (string argument in message.Arguments)
+                messageComposer.AddArgument(argument);
+
+            return WriteLine(messageComposer.ToString());
+        }
+
+        protected bool WriteLine(string text)
+        {
+            if (clientWriter == null || IsDisposed || !IsConnected)
+                return false;
+
+            lock (writeLock)
+            {
+                try
+                {
+                    clientWriter.WriteLine(text);
+                    clientWriter.Flush();
+                }
+                catch (Exception e)
+                {
+                    if (!IsDisposed)
+                    {
+                        var se = e as SocketException ?? e.InnerException as SocketException;
+                        if (se != null && se.SocketErrorCode == SocketError.Shutdown)
+                            Logger.LogInfo("Client disconnected ungracefully");
+                        else
+                            Logger.LogError("Exception thrown when trying to write to client", e);
+
+                        Dispose();
+                    }
+                }
+            }
+
+            return true;
+        }
+
+        protected abstract bool WriteHandshake();
+        protected abstract bool IsValidResponseHandshake(string handshakeLine);
+
+        public void Dispose()
+        {
+            if (IsDisposed)
+                return;
+
+            IsDisposed = true;
+
+            clientReader?.Dispose();
+            clientWriter?.Dispose();
+            ((IDisposable) tcpClient)?.Dispose();
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeConnectionClient.cs
+++ b/GodotTools.IdeConnection/GodotIdeConnectionClient.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Net.Sockets;
+using System.Threading.Tasks;
+
+namespace GodotTools.IdeConnection
+{
+    public class GodotIdeConnectionClient : GodotIdeConnection
+    {
+        public GodotIdeConnectionClient(TcpClient tcpClient, Func<Message, bool> messageHandler)
+            : base(tcpClient, messageHandler)
+        {
+        }
+
+        protected override bool WriteHandshake()
+        {
+            return WriteLine(ClientHandshake);
+        }
+
+        protected override bool IsValidResponseHandshake(string handshakeLine)
+        {
+            return handshakeLine == ServerHandshake;
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeConnectionServer.cs
+++ b/GodotTools.IdeConnection/GodotIdeConnectionServer.cs
@@ -0,0 +1,24 @@
+using System;
+using System.Net.Sockets;
+using System.Threading.Tasks;
+
+namespace GodotTools.IdeConnection
+{
+    public class GodotIdeConnectionServer : GodotIdeConnection
+    {
+        public GodotIdeConnectionServer(TcpClient tcpClient, Func<Message, bool> messageHandler)
+            : base(tcpClient, messageHandler)
+        {
+        }
+
+        protected override bool WriteHandshake()
+        {
+            return WriteLine(ServerHandshake);
+        }
+
+        protected override bool IsValidResponseHandshake(string handshakeLine)
+        {
+            return handshakeLine == ClientHandshake;
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotIdeMetadata.cs
+++ b/GodotTools.IdeConnection/GodotIdeMetadata.cs
@@ -0,0 +1,45 @@
+namespace GodotTools.IdeConnection
+{
+    public struct GodotIdeMetadata
+    {
+        public int Port { get; }
+        public string EditorExecutablePath { get; }
+
+        public GodotIdeMetadata(int port, string editorExecutablePath)
+        {
+            Port = port;
+            EditorExecutablePath = editorExecutablePath;
+        }
+
+        public static bool operator ==(GodotIdeMetadata a, GodotIdeMetadata b)
+        {
+            return a.Port == b.Port && a.EditorExecutablePath == b.EditorExecutablePath;
+        }
+
+        public static bool operator !=(GodotIdeMetadata a, GodotIdeMetadata b)
+        {
+            return !(a == b);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (obj is GodotIdeMetadata metadata)
+                return metadata == this;
+
+            return false;
+        }
+
+        public bool Equals(GodotIdeMetadata other)
+        {
+            return Port == other.Port && EditorExecutablePath == other.EditorExecutablePath;
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (Port * 397) ^ (EditorExecutablePath != null ? EditorExecutablePath.GetHashCode() : 0);
+            }
+        }
+    }
+}
--- a/GodotTools.IdeConnection/GodotTools.IdeConnection.csproj
+++ b/GodotTools.IdeConnection/GodotTools.IdeConnection.csproj
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{92600954-25F0-4291-8E11-1FEE9FC4BE20}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>GodotTools.IdeConnection</RootNamespace>
+    <AssemblyName>GodotTools.IdeConnection</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <LangVersion>7</LangVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>portable</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>portable</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ConsoleLogger.cs" />
+    <Compile Include="GodotIdeMetadata.cs" />
+    <Compile Include="GodotIdeBase.cs" />
+    <Compile Include="GodotIdeClient.cs" />
+    <Compile Include="GodotIdeConnection.cs" />
+    <Compile Include="GodotIdeConnectionClient.cs" />
+    <Compile Include="GodotIdeConnectionServer.cs" />
+    <Compile Include="ILogger.cs" />
+    <Compile Include="Message.cs" />
+    <Compile Include="MessageComposer.cs" />
+    <Compile Include="MessageParser.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
--- a/GodotTools.IdeConnection/ILogger.cs
+++ b/GodotTools.IdeConnection/ILogger.cs
@@ -0,0 +1,13 @@
+using System;
+
+namespace GodotTools.IdeConnection
+{
+    public interface ILogger
+    {
+        void LogDebug(string message);
+        void LogInfo(string message);
+        void LogWarning(string message);
+        void LogError(string message);
+        void LogError(string message, Exception e);
+    }
+}
--- a/GodotTools.IdeConnection/Message.cs
+++ b/GodotTools.IdeConnection/Message.cs
@@ -0,0 +1,21 @@
+using System.Linq;
+
+namespace GodotTools.IdeConnection
+{
+    public struct Message
+    {
+        public string Id { get; set; }
+        public string[] Arguments { get; set; }
+
+        public Message(string id, params string[] arguments)
+        {
+            Id = id;
+            Arguments = arguments;
+        }
+
+        public override string ToString()
+        {
+            return $"(Id: '{Id}', Arguments: '{string.Join(",", Arguments)}')";
+        }
+    }
+}
--- a/GodotTools.IdeConnection/MessageComposer.cs
+++ b/GodotTools.IdeConnection/MessageComposer.cs
@@ -0,0 +1,46 @@
+using System.Linq;
+using System.Text;
+
+namespace GodotTools.IdeConnection
+{
+    public class MessageComposer
+    {
+        private readonly StringBuilder stringBuilder = new StringBuilder();
+
+        private static readonly char[] CharsToEscape = { '\\', '"' };
+
+        public void AddArgument(string argument)
+        {
+            AddArgument(argument, quoted: argument.Contains(","));
+        }
+
+        public void AddArgument(string argument, bool quoted)
+        {
+            if (stringBuilder.Length > 0)
+                stringBuilder.Append(',');
+
+            if (quoted)
+            {
+                stringBuilder.Append('"');
+                
+                foreach (char @char in argument)
+                {
+                    if (CharsToEscape.Contains(@char))
+                        stringBuilder.Append('\\');
+                    stringBuilder.Append(@char);
+                }
+                
+                stringBuilder.Append('"');
+            }
+            else
+            {
+                stringBuilder.Append(argument);
+            }
+        }
+
+        public override string ToString()
+        {
+            return stringBuilder.ToString();
+        }
+    }
+}
--- a/GodotTools.IdeConnection/MessageParser.cs
+++ b/GodotTools.IdeConnection/MessageParser.cs
@@ -0,0 +1,88 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace GodotTools.IdeConnection
+{
+    public static class MessageParser
+    {
+        public static bool TryParse(string messageLine, out Message message)
+        {
+            var arguments = new List<string>();
+            var stringBuilder = new StringBuilder();
+
+            bool expectingArgument = true;
+
+            for (int i = 0; i < messageLine.Length; i++)
+            {
+                char @char = messageLine[i];
+
+                if (@char == ',')
+                {
+                    if (expectingArgument)
+                        arguments.Add(string.Empty);
+
+                    expectingArgument = true;
+                    continue;
+                }
+
+                bool quoted = false;
+
+                if (messageLine[i] == '"')
+                {
+                    quoted = true;
+                    i++;
+                }
+
+                while (i < messageLine.Length)
+                {
+                    @char = messageLine[i];
+                    
+                    if (quoted && @char == '"')
+                    {
+                        i++;
+                        break;
+                    }
+
+                    if (@char == '\\')
+                    {
+                        i++;
+                        if (i < messageLine.Length)
+                            break;
+
+                        stringBuilder.Append(messageLine[i]);
+                    }
+                    else if (!quoted && @char == ',')
+                    {
+                        break; // We don't increment the counter to allow the colon to be parsed after this
+                    }
+                    else
+                    {
+                        stringBuilder.Append(@char);
+                    }
+                    
+                    i++;
+                }
+                
+                arguments.Add(stringBuilder.ToString());
+                stringBuilder.Clear();
+
+                expectingArgument = false;
+            }
+
+            if (arguments.Count == 0)
+            {
+                message = new Message();
+                return false;
+            }
+
+            message = new Message
+            {
+                Id = arguments[0],
+                Arguments = arguments.Skip(1).ToArray()
+            };
+
+            return true;
+        }
+    }
+}
--- a/GodotTools.IdeConnection/Properties/AssemblyInfo.cs
+++ b/GodotTools.IdeConnection/Properties/AssemblyInfo.cs
@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("GodotTools.IdeConnection")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("Godot Engine contributors")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("92600954-25F0-4291-8E11-1FEE9FC4BE20")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
--- a/21
+++ b/21
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2019 Godot Engine
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/README.md
+++ b/README.md
@@ -0,0 +1,11 @@
+# Godot Add-in for MonoDevelop and Visual Studio for Mac
+MonoDevelop and Visual Studio for Mac add-in for seamless integration with the Godot game engine.
+
+This add-in is based on [GodotExtension](https://github.com/DavidKarlas/GodotExtension).
+
+## Features
+
+- Handling file open requests from the Godot editor.
+- Launching and debugging the Godot editor player.
+- Launching and debugging a Godot executable.
+- Attach the debugger to a running Godot instance.