.

Game/Level/CurrentLevel.cs

@@ -1,13 +1,22 @@
 using GodotHostTest.Interfaces;
+using R3;
 
 namespace GodotHostTest.Game.Level;
 
 public class CurrentLevel : ICurrentLevel
 {
-    public int LevelNumber { get; private set; } = 1;
+    private readonly ReactiveProperty<int> _levelNumber;
+
+    public CurrentLevel()
+    {
+        _levelNumber = new ReactiveProperty<int>(1);
+        LevelNumber = _levelNumber.ToReadOnlyReactiveProperty();
+    }
+
+    public ReadOnlyReactiveProperty<int> LevelNumber { get; }
 
     public void NextLevel()
     {
-        LevelNumber++;
+        _levelNumber.Value++;
     }
 }

Game/Projectile/Projectile.cs

@@ -1,21 +1,13 @@
 using Godot;
-using GodotHostTest.Helpers;
-using GodotHostTest.Interfaces;
-using Microsoft.Extensions.Logging;
-using OwofGames.AetherBind;
-using R3;
 
 namespace GodotHostTest.Game.Projectile;
 
 public partial class Projectile : Node2D
 {
-    [Inject] private ILogger<Projectile> _logger = null!;
+    [Export] private float _speed = 100;
-    [Inject] private ITargetSpawner _targetSpawner = null!;
 
-    // Called when the node enters the scene tree for the first time.
+    public override void _PhysicsProcess(double delta)
-    public override void _Ready()
     {
-        _targetSpawner.TargetSpawned
+        Position += (float)delta * _speed * Vector2.Up.Rotated(Rotation);
-            .Subscribe(_ => _logger.LogInformation("Projectile got informed of target spawning")).AddTo(this);
     }
 }

Game/Projectile/projectile.tscn

@@ -0,0 +1,26 @@
+[gd_scene format=3 uid="uid://brbufibn7hi3o"]
+
+[ext_resource type="Script" uid="uid://dc5mvle8lc40j" path="res://Game/Projectile/Projectile.cs" id="1_g2gsk"]
+[ext_resource type="Script" uid="uid://qjonl8stia46" path="res://addons/AetherBind/ServiceSource.cs" id="2_g4q5f"]
+[ext_resource type="Texture2D" uid="uid://blwkfvcupjt0v" path="res://Game/Projectile/towerDefense_tile252.png" id="3_r0joc"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_u8d0v"]
+size = Vector2(22, 39)
+
+[node name="Projectile" type="Node2D" unique_id=1686616504]
+script = ExtResource("1_g2gsk")
+_speed = 600.0
+
+[node name="Scope" type="Node" parent="." unique_id=513224818 node_paths=PackedStringArray("InjectedNodes")]
+script = ExtResource("2_g4q5f")
+InjectedNodes = [NodePath("..")]
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=1021740171]
+texture = ExtResource("3_r0joc")
+
+[node name="Area2D" type="Area2D" parent="." unique_id=863162079]
+collision_mask = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D" unique_id=1209287052]
+position = Vector2(0, 0.5)
+shape = SubResource("RectangleShape2D_u8d0v")

Game/Projectile/towerDefense_tile252.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://blwkfvcupjt0v"
+path="res://.godot/imported/towerDefense_tile252.png-d5810a59d75c81747798b425c2f018dc.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Projectile/towerDefense_tile252.png"
+dest_files=["res://.godot/imported/towerDefense_tile252.png-d5810a59d75c81747798b425c2f018dc.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

Game/Root/GameServiceSource.cs

@@ -1,5 +1,8 @@
 using Godot;
 using GodotHostTest.Game.Level;
+using GodotHostTest.Game.Score;
+using GodotHostTest.Game.Target;
+using GodotHostTest.Interfaces;
 using OwofGames.GodotLume;
 using RootServiceSource = GodotHostTest.AetherBind.RootServiceSource;
 
@@ -11,6 +14,9 @@ public partial class GameServiceSource : RootServiceSource
 
     protected override void Configure(Builder builder)
     {
-        builder.AddLevelServices(_levelsData);
+        builder
+            .AddSingleton<ITargetEventBus, TargetEventBus>()
+            .AddSingleton<IScore, TotalScore>()
+            .AddLevelServices(_levelsData);
     }
 }

Game/Root/Root.cs

@@ -20,7 +20,7 @@ public partial class Root : Node2D
     [WithProvider]
     private void OnInstantiate(IValueSetter<ILevel> levelValueSetter)
     {
-        var levelData = _levelDataProvider.GetLevelData(_currentLevel.LevelNumber);
+        var levelData = _levelDataProvider.GetLevelData(_currentLevel.LevelNumber.CurrentValue);
         levelValueSetter.Set(levelData);
     }
 }

Game/Score/Score.cs

@@ -6,34 +6,28 @@ using R3;
 
 namespace GodotHostTest.Game.Score;
 
-public partial class Score : Control, IScore
+public partial class Score : Control
 {
     [Export] private AnimationPlayer _animationPlayer = null!;
+    [Inject] private ICurrentLevel _currentLevel = null!;
     [Export] private Label _label = null!;
 
-    private int _score;
+    [Inject] private IScore _score = null!;
-    [Inject] private ITargetSpawner _targetSpawner = null!;
-
-    int IScore.Score => _score;
 
     public override void _Ready()
     {
-        _targetSpawner.TargetSpawned.Subscribe(OnTargetSpawned).AddTo(this);
+        _score.Score.Subscribe(UpdateScore).AddTo(this);
-        base._Ready();
+        _score.Score.Chunk(2, 1).Where(values => values.Length == 2 && values[1] < values[0])
+            .Subscribe(OnScoreDecreasing).AddTo(this);
     }
 
-    private void OnTargetSpawned(ITarget target)
+    private void OnScoreDecreasing<T>(T _)
     {
         _animationPlayer.Play("wiggle");
-        target.Hit.Select(_ => 20).Merge(target.TimedOut.Select(_ => -5)).SubscribeOnce(delta =>
-        {
-            _score += delta;
-            UpdateScore();
-        }).AddTo(this);
     }
 
-    private void UpdateScore()
+    private void UpdateScore(int newScore)
     {
-        _label.Text = $"Score: {_score}";
+        _label.Text = $"Level {_currentLevel.LevelNumber} - Score: {newScore}";
     }
 }

Game/Score/TotalScore.cs

@@ -0,0 +1,29 @@
+using System;
+using GodotHostTest.Interfaces;
+using R3;
+
+namespace GodotHostTest.Game.Score;
+
+public class TotalScore : IScore, IDisposable
+{
+    private readonly IDisposable _connectedObservableDisposable;
+
+    public TotalScore(ITargetEventBus targetEventBus)
+    {
+        var connectedObservable = targetEventBus.Hit.Select(_ => 20)
+            .Merge(targetEventBus.TimedOut.Select(_ => -5))
+            .Scan(0, (x1, x2) => x1 + x2)
+            .Prepend(0)
+            .Replay(1);
+        _connectedObservableDisposable = connectedObservable.Connect();
+        Score = connectedObservable.AsObservable();
+    }
+
+    public void Dispose()
+    {
+        _connectedObservableDisposable.Dispose();
+        GC.SuppressFinalize(this);
+    }
+
+    public Observable<int> Score { get; }
+}

Game/Score/TotalScore.cs.uid

@@ -0,0 +1 @@
+uid://gymu1u4w882o

Game/Target/TargetEventBus.cs

@@ -0,0 +1,20 @@
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+using R3;
+
+namespace GodotHostTest.Game.Target;
+
+public class TargetEventBus : ITargetEventBus
+{
+    private readonly Pipe<Unit> _hitOutPipe = new();
+    private readonly Pipe<Unit> _timedOutPipe = new();
+
+    public Observable<Unit> TimedOut => _timedOutPipe.Observable;
+    public Observable<Unit> Hit => _hitOutPipe.Observable;
+
+    public void NewTargetSpawner(ITargetSpawner targetSpawner)
+    {
+        _timedOutPipe.PipeIn(targetSpawner.TargetSpawned.SelectMany(target => target.TimedOut));
+        _hitOutPipe.PipeIn(targetSpawner.TargetSpawned.SelectMany(target => target.Hit));
+    }
+}

Game/Target/TargetEventBus.cs.uid

@@ -0,0 +1 @@
+uid://clr4u1sedssqu

Game/Target/TargetSpawner.cs

@@ -15,6 +15,7 @@ public partial class TargetSpawner : Node2D, ITargetCollector, ITargetSpawner
     [Export] public required Timer Timer;
 
     [Inject] private ILevel _level = null!;
+    [Inject] private ITargetEventBus _targetEventBus = null!;
 
     public void NewTarget(ITarget target)
     {
@@ -26,6 +27,7 @@ public partial class TargetSpawner : Node2D, ITargetCollector, ITargetSpawner
 
     public override void _Ready()
     {
+        _targetEventBus.NewTargetSpawner(this);
         Spawn();
         Timer.Start(_level.TimeBetweenSpawns.TotalSeconds);
     }

Game/Target/target.tscn

@@ -1,29 +1,31 @@
 [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/Target.cs" id="1_ouani"]
-[ext_resource type="Script" uid="uid://bv2hat41dyxiv" path="res://Game/Target.cs" id="1_c0a8e"]
+[ext_resource type="Texture2D" uid="uid://m4pvy8kkw7k4" path="res://Game/Target/towerDefense_tile136.png" id="2_olsqn"]
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_u8d0v"]
+[sub_resource type="CircleShape2D" id="CircleShape2D_uqpd1"]
-size = Vector2(128, 128)
+radius = 60.033325
 
-[node name="Target" type="Node2D" unique_id=2101558052 node_paths=PackedStringArray("TimeOutTimer", "Image", "CollisionArea")]
+[node name="Target" type="Node2D" unique_id=2101558052 node_paths=PackedStringArray("CollisionArea", "Image", "TimeOutTimer")]
-script = ExtResource("1_c0a8e")
+script = ExtResource("1_ouani")
+CollisionArea = NodePath("CollisionArea")
+Image = NodePath("Sprite2D")
 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)
+position = Vector2(3.8146973e-06, 3.8146973e-06)
-texture = ExtResource("1_032qf")
+scale = Vector2(1.9687501, 1.9687501)
+texture = ExtResource("2_olsqn")
 
 [node name="CollisionArea" type="Area2D" parent="." unique_id=116681968]
+collision_layer = 2
 monitoring = false
 monitorable = false
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="CollisionArea" unique_id=1558252366]
-shape = SubResource("RectangleShape2D_u8d0v")
+shape = SubResource("CircleShape2D_uqpd1")
 
 [node name="TimeOutTimer" type="Timer" parent="." unique_id=1079777109]
 one_shot = true

Game/Target/towerDefense_tile136.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://m4pvy8kkw7k4"
+path="res://.godot/imported/towerDefense_tile136.png-16575e41e8dd7b30e746b25e42404084.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Target/towerDefense_tile136.png"
+dest_files=["res://.godot/imported/towerDefense_tile136.png-16575e41e8dd7b30e746b25e42404084.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

Game/Turret/Turret.cs

@@ -6,11 +6,36 @@ namespace GodotHostTest.Game.Turret;
 
 public partial class Turret : Sprite2D
 {
+    [Export] private Node2D _launcher = null!;
     [Export] private PackedScene _projectilePackedScene = null!;
+
+    private double _rotationDirection;
+    [Export] private double _rotationSpeed = 6;
     [Inject] private ISceneInstantiator _sceneInstantiator = null!;
 
-    public override void _Ready()
+    private void OnTimerTimeout()
     {
-        GetTree().CreateTimer(1).Timeout += () => AddChild(_sceneInstantiator.Instantiate(_projectilePackedScene));
+        var projectile = _sceneInstantiator.Instantiate<Node2D>(_projectilePackedScene);
+        projectile.Rotation = _launcher.Rotation;
+        AddChild(projectile);
+    }
+
+    public override void _Input(InputEvent @event)
+    {
+        _rotationDirection = 0;
+        if (@event.IsActionPressed("rotate_clockwise")) _rotationDirection = 1;
+
+        if (@event.IsActionPressed("rotate_counterclockwise")) _rotationDirection = -1;
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        _rotationDirection = 0;
+        if (Input.IsActionPressed("rotate_clockwise")) _rotationDirection = 1;
+
+        if (Input.IsActionPressed("rotate_counterclockwise")) _rotationDirection = -1;
+
+        _launcher.Rotation += (float)(_rotationSpeed * delta * _rotationDirection);
+        base._PhysicsProcess(delta);
     }
 }

Game/Turret/towerDefense_tile181.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://wq1ylxxdyo3t"
+path="res://.godot/imported/towerDefense_tile181.png-175b1fdaaa15393876652158f79f62d1.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Turret/towerDefense_tile181.png"
+dest_files=["res://.godot/imported/towerDefense_tile181.png-175b1fdaaa15393876652158f79f62d1.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

Game/Turret/towerDefense_tile206.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ce3yr5qcy6tn8"
+path="res://.godot/imported/towerDefense_tile206.png-1691c021ff92a454ed8143a8198835e0.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Turret/towerDefense_tile206.png"
+dest_files=["res://.godot/imported/towerDefense_tile206.png-1691c021ff92a454ed8143a8198835e0.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

Game/Turret/turret.tscn

@@ -0,0 +1,29 @@
+[gd_scene format=3 uid="uid://cgixjjrc2kdui"]
+
+[ext_resource type="Texture2D" uid="uid://wq1ylxxdyo3t" path="res://Game/Turret/towerDefense_tile181.png" id="1_fa2t6"]
+[ext_resource type="Script" uid="uid://ce7gnp1lcrrdv" path="res://Game/Turret/Turret.cs" id="2_tkk1n"]
+[ext_resource type="PackedScene" uid="uid://brbufibn7hi3o" path="res://Game/Projectile/projectile.tscn" id="3_eoix6"]
+[ext_resource type="Texture2D" uid="uid://ce3yr5qcy6tn8" path="res://Game/Turret/towerDefense_tile206.png" id="4_q6l7p"]
+
+[sub_resource type="Curve" id="Curve_u8d0v"]
+_data = [Vector2(0, 1), 0.0, -1.0, 0, 1, Vector2(1, 0), -1.0, 0.0, 1, 0]
+point_count = 2
+
+[node name="Turret" type="Sprite2D" unique_id=682995021 node_paths=PackedStringArray("_launcher")]
+texture = ExtResource("1_fa2t6")
+script = ExtResource("2_tkk1n")
+_projectilePackedScene = ExtResource("3_eoix6")
+_launcher = NodePath("Launcher")
+
+[node name="Launcher" type="Sprite2D" parent="." unique_id=1492355681]
+texture = ExtResource("4_q6l7p")
+
+[node name="Line2D" type="Line2D" parent="Launcher" unique_id=777442120]
+points = PackedVector2Array(0, 0, 0, -270)
+width_curve = SubResource("Curve_u8d0v")
+default_color = Color(1, 0.1764706, 0.19215687, 0.38039216)
+
+[node name="Timer" type="Timer" parent="." unique_id=95651717]
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="OnTimerTimeout"]

Game/level.tscn

@@ -1,12 +1,10 @@
 [gd_scene format=3 uid="uid://xfd48ep5qi1k"]
 
 [ext_resource type="Script" uid="uid://dk578xnlxjwrr" path="res://Game/Level/LevelServiceSource.cs" id="1_5saw1"]
-[ext_resource type="PackedScene" uid="uid://3v8kq1rfwhmr" path="res://Game/target.tscn" id="1_y7rhs"]
+[ext_resource type="PackedScene" uid="uid://3v8kq1rfwhmr" path="res://Game/Target/target.tscn" id="1_y7rhs"]
 [ext_resource type="Script" uid="uid://cxfrtglku2gfa" path="res://Game/Target/TargetSpawner.cs" id="2_5saw1"]
 [ext_resource type="Script" uid="uid://bgrjeadxhgmvi" path="res://Game/Score/Score.cs" id="3_spj1u"]
-[ext_resource type="Texture2D" uid="uid://y1ros3y7hag2" path="res://icon.svg" id="4_esqs7"]
+[ext_resource type="PackedScene" uid="uid://cgixjjrc2kdui" path="res://Game/Turret/turret.tscn" id="5_m3hgq"]
-[ext_resource type="Script" uid="uid://ce7gnp1lcrrdv" path="res://Game/Turret/Turret.cs" id="5_himod"]
-[ext_resource type="PackedScene" uid="uid://brbufibn7hi3o" path="res://Game/projectile.tscn" id="6_sin03"]
 
 [sub_resource type="Animation" id="Animation_bbjqm"]
 length = 0.001
@@ -133,11 +131,7 @@ vertical_alignment = 1
 root_node = NodePath("../..")
 libraries/ = SubResource("AnimationLibrary_rckqj")
 
-[node name="Turret" type="Sprite2D" parent="." unique_id=152356196]
+[node name="Turret" parent="." unique_id=682995021 instance=ExtResource("5_m3hgq")]
-modulate = Color(1.92523e-07, 0.88004553, 0.8802661, 1)
 position = Vector2(539, 307)
-texture = ExtResource("4_esqs7")
-script = ExtResource("5_himod")
-_projectilePackedScene = ExtResource("6_sin03")
 
 [connection signal="timeout" from="Spawner/Timer" to="Spawner" method="OnTimer"]

Game/projectile.tscn

@@ -1,18 +0,0 @@
-[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://addons/GodotDI/ServiceSource.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")

Interfaces/ICurrentLevel.cs

@@ -1,7 +1,9 @@
+using R3;
+
 namespace GodotHostTest.Interfaces;
 
 public interface ICurrentLevel
 {
-    public int LevelNumber { get; }
+    public ReadOnlyReactiveProperty<int> LevelNumber { get; }
     public void NextLevel();
 }

Interfaces/IScore.cs

@@ -1,3 +1,5 @@
+using R3;
+
 namespace GodotHostTest.Interfaces;
 
 /// <summary>
@@ -8,5 +10,5 @@ public interface IScore
     /// <summary>
     /// The current score.
     /// </summary>
-    public int Score { get; }
+    public Observable<int> Score { get; }
 }

Interfaces/ITarget.cs

@@ -8,12 +8,13 @@ namespace GodotHostTest.Interfaces;
 public interface ITarget
 {
     /// <summary>
-    /// The target hasn't been hit in the allotted time and has timed out.
+    /// The target hasn't been hit in the allotted time and has timed out; once this observable emits an event, both
+    /// it and <see cref="Hit"/> complete.
     /// </summary>
     Observable<Unit> TimedOut { get; }
 
     /// <summary>
-    /// The target has been hit.
+    /// The target has been hit; once this observable emits an event, both it and <see cref="TimedOut"/> complete.
     /// </summary>
     Observable<Unit> Hit { get; }
 

Interfaces/ITargetEventBus.cs

@@ -0,0 +1,22 @@
+using R3;
+
+namespace GodotHostTest.Interfaces;
+
+public interface ITargetEventBus
+{
+    /// <summary>
+    ///     A target has timed out and disappeared.
+    /// </summary>
+    Observable<Unit> TimedOut { get; }
+
+    /// <summary>
+    ///     A target has been hit.
+    /// </summary>
+    Observable<Unit> Hit { get; }
+
+    /// <summary>
+    ///     A new target spawner has been added.
+    /// </summary>
+    /// <param name="targetSpawner"></param>
+    void NewTargetSpawner(ITargetSpawner targetSpawner);
+}

Interfaces/ITargetEventBus.cs.uid

@@ -0,0 +1 @@
+uid://bgexc7hcs5r4n

addons/AetherBind/SceneInstantiatorExtensions.cs

@@ -17,7 +17,7 @@ public static class SceneInstantiatorExtensions
     ///     scene, with the provider as argument.
     /// </param>
     /// <returns>The created node, with its dependencies satisfied.</returns>
-    private static T Instantiate<T>(this ISceneInstantiator sceneInstantiator, PackedScene packedScene,
+    public static T Instantiate<T>(this ISceneInstantiator sceneInstantiator, PackedScene packedScene,
         Action<IProvider>? onScopeCreated = null) where T : Node
     {
         return (T)sceneInstantiator.Instantiate(packedScene, onScopeCreated);

project.godot

@@ -28,6 +28,24 @@ project/assembly_name="godot-host-test"
 
 enabled=PackedStringArray("res://addons/AetherBind/plugin.cfg")
 
+[input]
+
+rotate_clockwise={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+rotate_counterclockwise={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194319,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+
+[layer_names]
+
+2d_physics/layer_1="Projectiles"
+2d_physics/layer_2="Targets"
+
 [physics]
 
 3d/physics_engine="Jolt Physics"