feat: initial import

.editorconfig

@@ -0,0 +1,4 @@
+root = true
+
+[*]
+charset = utf-8

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/
+/android/

.idea/.idea.godot-host-test/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/modules.xml
+/.idea.godot-host-test.iml
+/projectSettingsUpdater.xml
+/contentModel.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.idea.godot-host-test/.idea/encodings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.godot-host-test/.idea/indexLayout.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.godot-host-test/.idea/libraries/GdSdk.xml

@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="GdSdk" type="GdScript">
+    <CLASSES />
+    <JAVADOC />
+    <SOURCES>
+      <root url="file://$APPLICATION_PLUGINS_DIR$/GdScript/extracted/Master" />
+    </SOURCES>
+  </library>
+</component>

.idea/.idea.godot-host-test/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CommitMessageInspectionProfile">
+    <profile version="1.0">
+      <inspection_tool class="CommitFormat" enabled="true" level="WARNING" enabled_by_default="true" />
+      <inspection_tool class="CommitNamingConvention" enabled="true" level="WARNING" enabled_by_default="true" />
+    </profile>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

Game/GameRootScope.cs

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+using Godot;
+using GodotHostTest.GodotDI;
+using GodotHostTest.Interfaces;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace GodotHostTest.Game;
+
+public partial class GameRootScope : RootScope
+{
+    [Export] private TargetSpawner _targetSpawner = null!;
+
+    protected override void Configure(IServiceCollection serviceCollection)
+    {
+        serviceCollection
+            .AddSingleton<ITargetCollector>(_targetSpawner)
+            .AddSingleton<ITargetSpawner>(_targetSpawner);
+    }
+}

Game/GameRootScope.cs.uid

@@ -0,0 +1 @@
+uid://dk578xnlxjwrr

Game/Projectile.cs

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+using Godot;
+using GodotHostTest.GodotDI;
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+using Microsoft.Extensions.Logging;
+using R3;
+
+namespace GodotHostTest.Game;
+
+public partial class Projectile : Node2D
+{
+    [Inject] private readonly ILogger<Projectile> _logger = null!;
+    [Inject] private readonly ITargetSpawner _targetSpawner = null!;
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready()
+    {
+        _targetSpawner.TargetSpawned
+            .Subscribe(_ => _logger.LogInformation("Projectile got informed of target spawning")).AddTo(this);
+    }
+}

Game/Projectile.cs.uid

@@ -0,0 +1 @@
+uid://dc5mvle8lc40j

Game/Score.cs

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+using R3;
+using Godot;
+using GodotHostTest.GodotDI;
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+
+namespace GodotHostTest.Game;
+
+public partial class Score : Control
+{
+    [Export] private AnimationPlayer _animationPlayer = null!;
+    [Export] private Label _label = null!;
+    [Inject] private readonly ITargetSpawner _targetSpawner = null!;
+
+    private int _score;
+
+    public override void _Ready()
+    {
+        _targetSpawner.TargetSpawned.Subscribe(OnTargetSpawned).AddTo(this);
+        base._Ready();
+    }
+
+    private void OnTargetSpawned(ITarget target)
+    {
+        _animationPlayer.Play("wiggle");
+        target.Hit.Select(_ => 20).Merge(target.TimedOut.Select(_ => -5)).SubscribeOnce(delta =>
+        {
+            _score += delta;
+            UpdateScore();
+        }).AddTo(this);
+    }
+
+    private void UpdateScore()
+    {
+        _label.Text = $"Score: {_score}";
+    }
+}

Game/Score.cs.uid

@@ -0,0 +1 @@
+uid://bgrjeadxhgmvi

Game/Target.cs

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+using Godot;
+using GodotHostTest.GodotDI;
+using GodotHostTest.Interfaces;
+using R3;
+
+namespace GodotHostTest.Game;
+
+public partial class Target : Node2D, ITarget
+{
+    [Export] public double TimeOutDurationInSeconds;
+    [Export] public required Timer TimeOutTimer;
+    [Export] public required Sprite2D Image;
+    [Export] public required Area2D CollisionArea;
+
+    private readonly Subject<Unit> _timedOut = new();
+    private readonly Subject<Unit> _hit = new();
+
+    [Inject] private readonly ITargetCollector _targetCollector = null!;
+
+    public override void _Ready()
+    {
+        _targetCollector.NewTarget(this);
+    }
+
+    public override void _ExitTree()
+    {
+        _timedOut.Dispose();
+        _hit.Dispose();
+    }
+
+    public Observable<Unit> TimedOut => _timedOut.AsObservable();
+
+    public Observable<Unit> Hit => _hit.AsObservable();
+
+    // todo: hook to collision
+    private void OnHit()
+    {
+        Disable();
+        TimeOutTimer.Stop();
+        _hit.OnNext(Unit.Default);
+    }
+
+    public void Enable()
+    {
+        Image.Visible = true;
+        CollisionArea.Monitoring = true;
+        TimeOutTimer.Start(TimeOutDurationInSeconds);
+    }
+
+    private void Disable()
+    {
+        Image.Visible = false;
+        CollisionArea.Monitoring = false;
+    }
+
+    private void OnTimeout()
+    {
+        Disable();
+        _timedOut.OnNext(Unit.Default);
+    }
+}

Game/Target.cs.uid

@@ -0,0 +1 @@
+uid://bv2hat41dyxiv

Game/TargetSpawner.cs

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+using System.Collections.Generic;
+using Godot;
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+using R3;
+
+namespace GodotHostTest.Game;
+
+public partial class TargetSpawner : Node2D, ITargetCollector, ITargetSpawner
+{
+    [Export] public double TimeBetweenSpawns;
+
+    [Export] public required Timer Timer;
+
+    private readonly List<ITarget> _availableTargets = [];
+
+    public override void _Ready()
+    {
+        Spawn();
+        Timer.Start(TimeBetweenSpawns);
+    }
+
+    private void MakeTargetAvailable(ITarget target)
+    {
+        _availableTargets.Add(target);
+    }
+
+    private void OnTimer()
+    {
+        Spawn();
+    }
+
+    private void Spawn()
+    {
+        // pick a random target
+        var randomIndex = GD.RandRange(0, _availableTargets.Count - 1);
+        var target = _availableTargets[randomIndex];
+        _availableTargets.RemoveAt(randomIndex);
+
+        // enable it
+        target.Enable();
+
+        // notify that a target has been spawned
+        _targetSpawned.OnNext(target);
+    }
+
+    public void NewTarget(ITarget target)
+    {
+        _availableTargets.Add(target);
+        target.Hit.Merge(target.TimedOut).Select(_ => target).Subscribe(MakeTargetAvailable).AddTo(this);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        _targetSpawned.Dispose();
+    }
+
+    private readonly Subject<ITarget> _targetSpawned = new();
+    public Observable<ITarget> TargetSpawned => _targetSpawned.AsObservable();
+}

Game/TargetSpawner.cs.uid

@@ -0,0 +1 @@
+uid://cxfrtglku2gfa

Game/Turret.cs

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+using Godot;
+using GodotHostTest.GodotDI;
+
+namespace GodotHostTest.Game;
+
+public partial class Turret : Sprite2D
+{
+    [Inject] private readonly ISceneInstantiator _sceneInstantiator = null!;
+    [Export] private PackedScene _projectilePackedScene = null!;
+
+    public override void _Ready()
+    {
+        GetTree().CreateTimer(1).Timeout += () => AddChild(_sceneInstantiator.Instantiate(_projectilePackedScene));
+    }
+}

Game/Turret.cs.uid

@@ -0,0 +1 @@
+uid://ce7gnp1lcrrdv

Game/projectile.tscn

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+[gd_scene format=3 uid="uid://brbufibn7hi3o"]
+
+[ext_resource type="Script" uid="uid://dc5mvle8lc40j" path="res://Game/Projectile.cs" id="1_80yud"]
+[ext_resource type="Script" uid="uid://qjonl8stia46" path="res://GodotDI/Scope.cs" id="2_3kmdq"]
+[ext_resource type="Texture2D" uid="uid://y1ros3y7hag2" path="res://icon.svg" id="3_1i54g"]
+
+[node name="Projectile" type="Node2D" unique_id=1686616504]
+script = ExtResource("1_80yud")
+
+[node name="Scope" type="Node" parent="." unique_id=513224818 node_paths=PackedStringArray("InjectedNodes")]
+script = ExtResource("2_3kmdq")
+InjectedNodes = [NodePath("..")]
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=1021740171]
+modulate = Color(1, 1, 0, 1)
+rotation = 0.7853982
+scale = Vector2(0.3, 0.3)
+texture = ExtResource("3_1i54g")

Game/target.tscn

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+[gd_scene format=3 uid="uid://3v8kq1rfwhmr"]
+
+[ext_resource type="Texture2D" uid="uid://y1ros3y7hag2" path="res://icon.svg" id="1_032qf"]
+[ext_resource type="Script" uid="uid://bv2hat41dyxiv" path="res://Game/Target.cs" id="1_c0a8e"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_u8d0v"]
+size = Vector2(128, 128)
+
+[node name="Target" type="Node2D" unique_id=2101558052 node_paths=PackedStringArray("TimeOutTimer", "Image", "CollisionArea")]
+script = ExtResource("1_c0a8e")
+TimeOutDurationInSeconds = 7.0
+TimeOutTimer = NodePath("TimeOutTimer")
+Image = NodePath("Sprite2D")
+CollisionArea = NodePath("CollisionArea")
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=31059524]
+visible = false
+modulate = Color(1, 0.20392157, 0.015686275, 1)
+texture = ExtResource("1_032qf")
+
+[node name="CollisionArea" type="Area2D" parent="." unique_id=116681968]
+monitoring = false
+monitorable = false
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="CollisionArea" unique_id=1558252366]
+shape = SubResource("RectangleShape2D_u8d0v")
+
+[node name="TimeOutTimer" type="Timer" parent="." unique_id=1079777109]
+one_shot = true
+
+[connection signal="timeout" from="TimeOutTimer" to="." method="OnTimeout"]

GodotDI/ISceneInstantiator.cs

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+using Godot;
+
+namespace GodotHostTest.GodotDI;
+
+public interface ISceneInstantiator
+{
+    /// <summary>
+    /// Instantiate a packed scene, just like <see cref="PackedScene.Instantiate"/>, but also looks for a scope between the top level children and triggers the dependency injection mechanism when found.
+    /// </summary>
+    /// <param name="packedScene">The packed scene to instantiate.</param>
+    /// <returns>The created node, with its dependencies satisfied.</returns>
+    Node Instantiate(PackedScene packedScene);
+
+    /// <summary>
+    /// Instantiate a packed scene, just like <see cref="PackedScene.Instantiate{T}"/>, but also looks for a scope between the top level children and triggers the dependency injection mechanism when found.
+    /// </summary>
+    /// <param name="packedScene">The packed scene to instantiate.</param>
+    /// <returns>The created node, with its dependencies satisfied.</returns>
+    T Instantiate<T>(PackedScene packedScene) where T : Node;
+}

GodotDI/ISceneInstantiator.cs.uid

@@ -0,0 +1 @@
+uid://bv7aut87rpm5u

GodotDI/InjectAttribute.cs

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+using System;
+
+namespace GodotHostTest.GodotDI;
+
+[AttributeUsage(AttributeTargets.Field)]
+public class InjectAttribute: Attribute;

GodotDI/InjectAttribute.cs.uid

@@ -0,0 +1 @@
+uid://mshffj1jlgi7

GodotDI/RootScope.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Linq;
+using Godot;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using OwofGames.GodotHost;
+
+namespace GodotHostTest.GodotDI;
+
+/// <summary>
+/// The base class for a root scope. Implement this class and its abstract methods to kick off the DI system.
+/// </summary>
+public abstract partial class RootScope : Scope, ISceneInstantiator
+{
+    private Host? _host;
+
+    private Host Host
+    {
+        get => _host ??
+               throw new InvalidOperationException(
+                   "Some method of RootScope has been invoked before it entered the tree");
+        set => _host = value;
+    }
+
+    private ILogger<RootScope>? _logger;
+
+    private ILogger<RootScope> Logger => _logger ??= Host.GetLogger<RootScope>();
+
+    public override void _EnterTree()
+    {
+        // create the host
+        Host = new HostBuilder()
+            .SetServiceCollectionBuilder(InnerConfigure)
+            .Build();
+
+        // resolve nodes
+        ResolveInjectedNodes(Host.ServiceProvider);
+    }
+
+    private void InnerConfigure(IServiceCollection serviceCollection)
+    {
+        serviceCollection.AddSingleton<ISceneInstantiator>(this);
+        Configure(serviceCollection);
+    }
+
+    /// <summary>
+    /// Configure the service collection by adding the registrations your game needs.
+    /// </summary>
+    /// <param name="serviceCollection">The service collection to enrich.</param>
+    protected abstract void Configure(IServiceCollection serviceCollection);
+
+    /// <inheritdoc/>
+    public Node Instantiate(PackedScene packedScene)
+    {
+        var node = packedScene.Instantiate();
+        var scope = node.GetChildren().OfType<Scope>().SingleOrDefault();
+        if (scope == null)
+        {
+            Logger.LogDebug(
+                "Instantiated the scene {PackedSceneName} through ISceneInstantiator.Instantiate, but no scope found.",
+                packedScene.GetName());
+        }
+        else
+        {
+            scope.ResolveInjectedNodes(Host.ServiceProvider);
+        }
+
+        return node;
+    }
+
+    /// <inheritdoc/>
+    public T Instantiate<T>(PackedScene packedScene)
+        where T : Node
+    {
+        return (T)Instantiate(packedScene);
+    }
+}

GodotDI/RootScope.cs.uid

@@ -0,0 +1 @@
+uid://fr0c6wwras8c

GodotDI/Scope.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Reflection;
+using Godot;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace GodotHostTest.GodotDI;
+
+public partial class Scope : Node
+{
+    [Export] protected Node?[] InjectedNodes = [];
+
+    internal void ResolveInjectedNodes(IServiceProvider serviceProvider)
+    {
+        // resolve the injected nodes
+        // TODO: move to source generator, make it the only way for injection
+        foreach (var node in InjectedNodes)
+        {
+            if (node == null) continue;
+            foreach (var field in node.GetType()
+                         .GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
+            {
+                if (field.GetCustomAttribute<InjectAttribute>() == null) continue;
+                var fieldType = field.FieldType;
+                var service = serviceProvider.GetRequiredService(fieldType);
+                field.SetValue(node, service);
+            }
+        }
+    }
+}

GodotDI/Scope.cs.uid

@@ -0,0 +1 @@
+uid://qjonl8stia46

Helpers/NodeExtensions.cs

@@ -0,0 +1,19 @@
+using System;
+using Godot;
+
+namespace GodotHostTest.Helpers;
+
+public static class NodeExtensions
+{
+    public static void AddTo(this IDisposable disposable, Node node)
+    {
+        node.TreeExited += OnTreeExited;
+        return;
+
+        void OnTreeExited()
+        {
+            disposable.Dispose();
+            node.TreeExited -= OnTreeExited;
+        }
+    }
+}

Helpers/NodeExtensions.cs.uid

@@ -0,0 +1 @@
+uid://lbkratfmlq5e

Helpers/ObservableHelpers.cs

@@ -0,0 +1,19 @@
+using System;
+using R3;
+
+namespace GodotHostTest.Helpers;
+
+public static class ObservableHelpers
+{
+    public static IDisposable SubscribeOnce<T>(this Observable<T> observable, Action<T> action)
+    {
+        IDisposable? disposable = null;
+        disposable = observable.Subscribe(x =>
+        {
+            // ReSharper disable once AccessToModifiedClosure
+            disposable?.Dispose();
+            action(x);
+        });
+        return disposable;
+    }
+}

Helpers/ObservableHelpers.cs.uid

@@ -0,0 +1 @@
+uid://kfb8ooqmhoh0

Helpers/Pipe.cs

@@ -0,0 +1,27 @@
+using System;
+using R3;
+
+namespace GodotHostTest.Helpers;
+
+public class Pipe<T> : IDisposable
+{
+    private readonly ReplaySubject<Observable<T>> _subject = new(1);
+
+    public Pipe()
+    {
+        Observable = _subject.Switch();
+    }
+
+    public Observable<T> Observable { get; }
+
+    public void Dispose()
+    {
+        _subject.Dispose();
+        GC.SuppressFinalize(this);
+    }
+
+    public void PipeIn(Observable<T> observable)
+    {
+        _subject.OnNext(observable);
+    }
+}

Helpers/Pipe.cs.uid

@@ -0,0 +1 @@
+uid://crh20vve83rew

Interfaces/IScore.cs

@@ -0,0 +1,22 @@
+namespace GodotHostTest.Interfaces;
+
+/// <summary>
+/// An object that keeps track of the score.
+/// </summary>
+public interface IScore
+{
+    /// <summary>
+    /// A target has been hit.
+    /// </summary>
+    void TargetHit();
+    
+    /// <summary>
+    /// A target has timed out.
+    /// </summary>
+    void TargetTimedOut();
+    
+    /// <summary>
+    /// The current score.
+    /// </summary>
+    public int Score { get; }
+}

Interfaces/IScore.cs.uid

@@ -0,0 +1 @@
+uid://wf8obkyi1rod

Interfaces/ITarget.cs

@@ -0,0 +1,24 @@
+using R3;
+
+namespace GodotHostTest.Interfaces;
+
+/// <summary>
+/// A target for our projectiles.
+/// </summary>
+public interface ITarget
+{
+    /// <summary>
+    /// The target hasn't been hit in the allotted time and has timed out.
+    /// </summary>
+    Observable<Unit> TimedOut { get; }
+    
+    /// <summary>
+    /// The target has been hit.
+    /// </summary>
+    Observable<Unit> Hit { get; }
+
+    /// <summary>
+    /// Enable the target. Targets start disabled and gets disabled when they're hit or time out.
+    /// </summary>
+    void Enable();
+}

Interfaces/ITarget.cs.uid

@@ -0,0 +1 @@
+uid://bgkbpxwire4qb

Interfaces/ITargetCollector.cs

@@ -0,0 +1,13 @@
+namespace GodotHostTest.Interfaces;
+
+/// <summary>
+/// An object which collects targets as soon as they are created.
+/// </summary>
+public interface ITargetCollector
+{
+    /// <summary>
+    /// Register a target.
+    /// </summary>
+    /// <param name="target">The new target.</param>
+    void NewTarget(ITarget target);
+}

Interfaces/ITargetCollector.cs.uid

@@ -0,0 +1 @@
+uid://cyuavtr6x72uj

Interfaces/ITargetSpawner.cs

@@ -0,0 +1,14 @@
+using R3;
+
+namespace GodotHostTest.Interfaces;
+
+/// <summary>
+/// An object that spawns targets.
+/// </summary>
+public interface ITargetSpawner
+{
+    /// <summary>
+    /// Observable that produces a value whenever a target gets spawned.
+    /// </summary>
+    Observable<ITarget> TargetSpawned { get; }
+}

Interfaces/ITargetSpawner.cs.uid

@@ -0,0 +1 @@
+uid://b8ksms66cbg3

PrintOrder.cs

@@ -0,0 +1,31 @@
+using Godot;
+
+namespace GodotHostTest;
+
+public partial class PrintOrder : Node
+{
+    [Export] private Node? _otherNode;
+
+    public PrintOrder()
+    {
+        PrintStatus("constructor");
+    }
+
+    public override void _EnterTree()
+    {
+        PrintStatus("_enter_tree");
+    }
+
+    public override void _Ready()
+    {
+        PrintStatus("_ready");
+    }
+
+    private void PrintStatus(string moment)
+    {
+        var hasExport = _otherNode != null;
+        var hasParent = GetParent() != null;
+        var numChildren = GetChildren().Count - 1; // remove the non-script child
+        GD.Print($"[{moment,11}] Child {Name,-8} Has export? {hasExport}    Has parent? {hasParent}      Script children? {numChildren}");
+    }
+}

PrintOrder.cs.uid

@@ -0,0 +1 @@
+uid://c30r02q21wx33

TestOrder.tscn

@@ -0,0 +1,79 @@
+[gd_scene format=3 uid="uid://cfobsqrtg2n2a"]
+
+[ext_resource type="Script" uid="uid://c30r02q21wx33" path="res://PrintOrder.cs" id="1_f88u3"]
+
+[node name="TestOrder" type="Node2D" unique_id=2018587797]
+
+[node name="Root1" type="Node2D" parent="." unique_id=1113529794 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1" unique_id=1210473518]
+
+[node name="Child1" type="Node2D" parent="Root1" unique_id=1613779589 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1/Child1" unique_id=87552907]
+
+[node name="Descendant1" type="Node2D" parent="Root1/Child1" unique_id=669587585 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1/Child1/Descendant1" unique_id=12685308]
+
+[node name="Descendant2" type="Node2D" parent="Root1/Child1" unique_id=109086010 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1/Child1/Descendant2" unique_id=1161770344]
+
+[node name="Child2" type="Node2D" parent="Root1" unique_id=806378838 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1/Child2" unique_id=1260588174]
+
+[node name="Child3" type="Node2D" parent="Root1" unique_id=2084092809 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root1/Child3" unique_id=1306245672]
+
+[node name="Root2" type="Node2D" parent="." unique_id=1070917045 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2" unique_id=564938069]
+
+[node name="Child1" type="Node2D" parent="Root2" unique_id=1331804694 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2/Child1" unique_id=358417729]
+
+[node name="Descendant1" type="Node2D" parent="Root2/Child1" unique_id=765114105 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2/Child1/Descendant1" unique_id=119960501]
+
+[node name="Descendant2" type="Node2D" parent="Root2/Child1" unique_id=1849254856 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2/Child1/Descendant2" unique_id=439293261]
+
+[node name="Child2" type="Node2D" parent="Root2" unique_id=690813149 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2/Child2" unique_id=1594270861]
+
+[node name="Child3" type="Node2D" parent="Root2" unique_id=497541522 node_paths=PackedStringArray("_otherNode")]
+script = ExtResource("1_f88u3")
+_otherNode = NodePath("../../ImportedNode")
+
+[node name="Child" type="Node" parent="Root2/Child3" unique_id=1948966308]
+
+[node name="ImportedNode" type="Node" parent="." unique_id=2077860292]

global.json

@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "9.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": true
+  }
+}

godot-host-test.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Godot.NET.Sdk/4.7.0">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net9.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <RootNamespace>GodotHostTest</RootNamespace>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="R3" Version="1.3.1" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="OwofGames.GodotHost">
+      <HintPath>..\OwofGames.Godot\OwofGames.GodotHost\bin\Debug\net8.0\OwofGames.GodotHost.dll</HintPath>
+    </Reference>
+    <Reference Include="OwofGames.GodotLogger">
+      <HintPath>..\OwofGames.Godot\OwofGames.GodotHost\bin\Debug\net8.0\OwofGames.GodotLogger.dll</HintPath>
+    </Reference>
+      <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.FileProviders.Composite" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.0"/>
+      <PackageReference Include="Microsoft.Extensions.Logging.Configuration" Version="10.0.0"/>
+  </ItemGroup>
+</Project>

godot-host-test.sln

@@ -0,0 +1,19 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "godot-host-test", "godot-host-test.csproj", "{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+	Debug|Any CPU = Debug|Any CPU
+	ExportDebug|Any CPU = ExportDebug|Any CPU
+	ExportRelease|Any CPU = ExportRelease|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.ExportDebug|Any CPU.ActiveCfg = ExportDebug|Any CPU
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.ExportDebug|Any CPU.Build.0 = ExportDebug|Any CPU
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.ExportRelease|Any CPU.ActiveCfg = ExportRelease|Any CPU
+		{ACB2B98F-A7C5-4486-BC24-2B85B7990C5B}.ExportRelease|Any CPU.Build.0 = ExportRelease|Any CPU
+	EndGlobalSection
+EndGlobal

godot-host-test.sln.DotSettings.user

@@ -0,0 +1,5 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:Boolean x:Key="/Default/AddReferences/RecentPaths/=_002Fhome_002Fredglow_002Fsources_002FOwofGames_002EGodot_002FOwofGames_002EGodotHost_002Fbin_002FDebug_002Fnet8_002E0_002FOwofGames_002EGodotHost_002Edll/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/AddReferences/RecentPaths/=_002Fhome_002Fredglow_002Fsources_002FOwofGames_002EGodot_002FOwofGames_002EGodotHost_002Fbin_002FDebug_002Fnet8_002E0_002FOwofGames_002EGodotLogger_002Edll/@EntryIndexedValue">True</s:Boolean>
+	<s:String x:Key="/Default/Environment/Hierarchy/Build/BuildTool/DotNetCliExePath/@EntryValue">/usr/lib/dotnet/dotnet</s:String>
+	<s:String x:Key="/Default/Environment/Hierarchy/Build/BuildTool/CustomBuildToolPath/@EntryValue">/usr/lib/dotnet/sdk/10.0.109/MSBuild.dll</s:String></wpf:ResourceDictionary>

icon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>

icon.svg.import

@@ -0,0 +1,43 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://y1ros3y7hag2"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

project.godot

@@ -0,0 +1,33 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="godot-host-test"
+run/main_scene="uid://vsburk37p4u"
+config/features=PackedStringArray("4.7", "C#", "Forward Plus")
+config/icon="res://icon.svg"
+
+[display]
+
+window/stretch/mode="canvas_items"
+window/stretch/aspect="expand"
+
+[dotnet]
+
+project/assembly_name="godot-host-test"
+
+[physics]
+
+3d/physics_engine="Jolt Physics"
+
+[rendering]
+
+rendering_device/driver.windows="d3d12"

root_scene.tscn

@@ -0,0 +1,142 @@
+[gd_scene format=3 uid="uid://vsburk37p4u"]
+
+[ext_resource type="PackedScene" uid="uid://3v8kq1rfwhmr" path="res://Game/target.tscn" id="2_c77vg"]
+[ext_resource type="Script" uid="uid://cxfrtglku2gfa" path="res://Game/TargetSpawner.cs" id="3_iqet6"]
+[ext_resource type="Script" uid="uid://dk578xnlxjwrr" path="res://Game/GameRootScope.cs" id="3_t2jh2"]
+[ext_resource type="Script" uid="uid://bgrjeadxhgmvi" path="res://Game/Score.cs" id="4_t2jh2"]
+[ext_resource type="Texture2D" uid="uid://y1ros3y7hag2" path="res://icon.svg" id="5_4ty2a"]
+[ext_resource type="Script" uid="uid://ce7gnp1lcrrdv" path="res://Game/Turret.cs" id="6_rckqj"]
+[ext_resource type="PackedScene" uid="uid://brbufibn7hi3o" path="res://Game/projectile.tscn" id="7_rckqj"]
+
+[sub_resource type="Animation" id="Animation_bbjqm"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Score:offset_transform_position")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector2(0, 0)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("Score:offset_transform_rotation")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+
+[sub_resource type="Animation" id="Animation_4ty2a"]
+resource_name = "wiggle"
+length = 0.3
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Score:offset_transform_position")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.049999997, 0.099999994, 0.15, 0.2, 0.24999999),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1),
+"update": 0,
+"values": [Vector2(0, 0), Vector2(10, -10), Vector2(-10, -10), Vector2(10, 10), Vector2(-10, 10), Vector2(0, 0)]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("Score:offset_transform_rotation")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0, 0.049999997, 0.099999994, 0.15, 0.2, 0.24999999),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1),
+"update": 0,
+"values": [0.0, 0.08726646, -0.08726646, 0.08726646, -0.08726646, 0.0]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_rckqj"]
+_data = {
+&"RESET": SubResource("Animation_bbjqm"),
+&"wiggle": SubResource("Animation_4ty2a")
+}
+
+[node name="Node2D" type="Node2D" unique_id=920849082]
+
+[node name="RootScope" type="Node" parent="." unique_id=1453141084 node_paths=PackedStringArray("_targetSpawner", "InjectedNodes")]
+script = ExtResource("3_t2jh2")
+_targetSpawner = NodePath("../Spawner")
+InjectedNodes = [NodePath("../Turret"), NodePath("../Target"), NodePath("../Target2"), NodePath("../Target3"), NodePath("../Target4"), NodePath("../Target5"), NodePath("../Target6"), NodePath("../Spawner"), NodePath("../Score")]
+
+[node name="Target" parent="." unique_id=2101558052 instance=ExtResource("2_c77vg")]
+position = Vector2(198, 143)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Target2" parent="." unique_id=1480287846 instance=ExtResource("2_c77vg")]
+position = Vector2(669, 64)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Target3" parent="." unique_id=242951997 instance=ExtResource("2_c77vg")]
+position = Vector2(1060, 263)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Target4" parent="." unique_id=1190782819 instance=ExtResource("2_c77vg")]
+position = Vector2(961, 620)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Target5" parent="." unique_id=1183803617 instance=ExtResource("2_c77vg")]
+position = Vector2(469, 591)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Target6" parent="." unique_id=2017833482 instance=ExtResource("2_c77vg")]
+position = Vector2(53, 417)
+TimeOutDurationInSeconds = 2.0
+
+[node name="Spawner" type="Node2D" parent="." unique_id=1331368036 node_paths=PackedStringArray("Timer")]
+script = ExtResource("3_iqet6")
+TimeBetweenSpawns = 1.5
+Timer = NodePath("Timer")
+
+[node name="Timer" type="Timer" parent="Spawner" unique_id=1142098929]
+
+[node name="Score" type="ColorRect" parent="." unique_id=1990204205 node_paths=PackedStringArray("_animationPlayer", "_label")]
+offset_right = 200.0
+offset_bottom = 40.0
+offset_transform_enabled = true
+color = Color(1, 1, 1, 0.2784314)
+script = ExtResource("4_t2jh2")
+_animationPlayer = NodePath("../AnimationPlayer")
+_label = NodePath("Label")
+
+[node name="Label" type="Label" parent="Score" unique_id=1929317028]
+layout_mode = 1
+anchors_preset = -1
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 10.0
+offset_right = -10.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+text = "Score: 0"
+vertical_alignment = 1
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="." unique_id=1749711689]
+libraries/ = SubResource("AnimationLibrary_rckqj")
+
+[node name="Turret" type="Sprite2D" parent="." unique_id=1932581411]
+modulate = Color(1.92523e-07, 0.88004553, 0.8802661, 1)
+position = Vector2(539, 307)
+texture = ExtResource("5_4ty2a")
+script = ExtResource("6_rckqj")
+_projectilePackedScene = ExtResource("7_rckqj")
+
+[connection signal="timeout" from="Spawner/Timer" to="Spawner" method="OnTimer"]