feat: turrents and explosions

Game/Background/background.tscn

@@ -0,0 +1,9 @@
+[gd_scene format=3 uid="uid://cvwvwv55n00ce"]
+
+[ext_resource type="Texture2D" uid="uid://cx1tr03f8rjck" path="res://Game/Background/purple.png" id="1_vaplv"]
+
+[node name="Background" type="TextureRect" unique_id=701555148]
+offset_right = 1280.0
+offset_bottom = 768.0
+texture = ExtResource("1_vaplv")
+stretch_mode = 1

Game/Background/purple.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cx1tr03f8rjck"
+path="res://.godot/imported/purple.png-ab1cf2fd670db01a8dbd40ee0004fe5b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Background/purple.png"
+dest_files=["res://.godot/imported/purple.png-ab1cf2fd670db01a8dbd40ee0004fe5b.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/Level/LevelData.cs

@@ -7,7 +7,12 @@ namespace GodotHostTest.Game.Level;
 [GlobalClass]
 public partial class LevelData : Resource, ILevel
 {
+    [Export] public double SpawnDuration;
     [Export] public double TimeBetweenSpawns;
 
+    /// <inheritdoc />
     TimeSpan ILevel.TimeBetweenSpawns => TimeSpan.FromSeconds(TimeBetweenSpawns);
+
+    /// <inheritdoc />
+    TimeSpan ILevel.SpawnDuration => TimeSpan.FromSeconds(SpawnDuration);
 }

Game/Level/level.tscn

@@ -77,27 +77,21 @@ _serviceScope = "GodotHostTest.Game.Level.LevelScope, godot-host-test, Version=1
 
 [node name="Target" parent="." unique_id=2101558052 instance=ExtResource("1_y7rhs")]
 position = Vector2(198, 143)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Target2" parent="." unique_id=1009901052 instance=ExtResource("1_y7rhs")]
 position = Vector2(669, 64)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Target3" parent="." unique_id=1433382188 instance=ExtResource("1_y7rhs")]
 position = Vector2(1060, 263)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Target4" parent="." unique_id=1553596281 instance=ExtResource("1_y7rhs")]
 position = Vector2(961, 620)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Target5" parent="." unique_id=46923989 instance=ExtResource("1_y7rhs")]
 position = Vector2(469, 591)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Target6" parent="." unique_id=2092179937 instance=ExtResource("1_y7rhs")]
 position = Vector2(53, 417)
-TimeOutDurationInSeconds = 2.0
 
 [node name="Spawner" type="Node2D" parent="." unique_id=251404460 node_paths=PackedStringArray("Timer")]
 script = ExtResource("2_5saw1")

Game/Projectile/Explosion/explosion_gpu_particles_2d.tscn

@@ -0,0 +1,41 @@
+[gd_scene format=3 uid="uid://dfvr0g5souli2"]
+
+[ext_resource type="Texture2D" uid="uid://bhm7kb18b1tbh" path="res://Game/Projectile/Explosion/fires.png" id="1_e3ife"]
+
+[sub_resource type="CanvasItemMaterial" id="CanvasItemMaterial_bfsaf"]
+particles_animation = true
+particles_anim_h_frames = 2
+particles_anim_v_frames = 1
+particles_anim_loop = false
+
+[sub_resource type="Curve" id="Curve_ytfwl"]
+_data = [Vector2(0.00554017, 0.021126747), 0.0, 0.0, 0, 0, Vector2(0.14681442, 0.99295783), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_jyg1o"]
+curve = SubResource("Curve_ytfwl")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_u8d0v"]
+lifetime_randomness = 0.1
+particle_flag_disable_z = true
+spread = 180.0
+initial_velocity_min = 47.62
+initial_velocity_max = 47.62
+gravity = Vector3(0, 0, 0)
+damping_min = 97.494
+damping_max = 97.494
+scale_min = 0.099999994
+scale_max = 0.099999994
+color = Color(1, 0.11372549, 0.22745098, 1)
+alpha_curve = SubResource("CurveTexture_jyg1o")
+anim_speed_min = 6.67
+anim_speed_max = 6.67
+
+[node name="ExplosionGPUParticles2D" type="GPUParticles2D" unique_id=1991976710]
+material = SubResource("CanvasItemMaterial_bfsaf")
+emitting = false
+amount = 16
+texture = ExtResource("1_e3ife")
+lifetime = 0.3
+one_shot = true
+process_material = SubResource("ParticleProcessMaterial_u8d0v")

Game/Projectile/Explosion/fires.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bhm7kb18b1tbh"
+path="res://.godot/imported/fires.png-9cb25e6666cbbded849592a59c77604f.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Projectile/Explosion/fires.png"
+dest_files=["res://.godot/imported/fires.png-9cb25e6666cbbded849592a59c77604f.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/Projectile/Projectile.cs

@@ -4,10 +4,25 @@ namespace GodotHostTest.Game.Projectile;
 
 public partial class Projectile : Node2D
 {
+    [Export] private PackedScene _explosionPackedScene = null!;
     [Export] private float _speed = 100;
 
     public override void _PhysicsProcess(double delta)
     {
         Position += (float)delta * _speed * Vector2.Up.Rotated(Rotation);
     }
+
+    private void OnArea2DEntered(Area2D _)
+    {
+        var explosion = (GpuParticles2D)_explosionPackedScene.Instantiate();
+        explosion.GlobalPosition = GlobalPosition;
+        explosion.Emitting = true;
+        GetTree().CurrentScene.AddChild(explosion);
+        QueueFree();
+    }
+
+    private void OnScreenExited()
+    {
+        QueueFree();
+    }
 }

Game/Projectile/projectile.tscn

@@ -2,6 +2,7 @@
 
 [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="PackedScene" uid="uid://dfvr0g5souli2" path="res://Game/Projectile/Explosion/explosion_gpu_particles_2d.tscn" id="2_r0joc"]
 [ext_resource type="Texture2D" uid="uid://blwkfvcupjt0v" path="res://Game/Projectile/towerDefense_tile252.png" id="3_r0joc"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_u8d0v"]
@@ -10,6 +11,7 @@ size = Vector2(22, 39)
 [node name="Projectile" type="Node2D" unique_id=1686616504]
 script = ExtResource("1_g2gsk")
 _speed = 600.0
+_explosionPackedScene = ExtResource("2_r0joc")
 
 [node name="Scope" type="Node" parent="." unique_id=513224818 node_paths=PackedStringArray("InjectedNodes")]
 script = ExtResource("2_g4q5f")
@@ -24,3 +26,8 @@ collision_mask = 2
 [node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D" unique_id=1209287052]
 position = Vector2(0, 0.5)
 shape = SubResource("RectangleShape2D_u8d0v")
+
+[node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="." unique_id=2022746131]
+
+[connection signal="area_entered" from="Area2D" to="." method="OnArea2DEntered"]
+[connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="OnScreenExited"]

Game/Target/Explosion/explosion_gpu_particles_2d.tscn

@@ -0,0 +1,44 @@
+[gd_scene format=3 uid="uid://cd8w4ydeugrxn"]
+
+[ext_resource type="Texture2D" uid="uid://ddv3d3cguh5hd" path="res://Game/Target/Explosion/scorches.png" id="1_rjvc0"]
+
+[sub_resource type="CanvasItemMaterial" id="CanvasItemMaterial_bfsaf"]
+particles_animation = true
+particles_anim_h_frames = 3
+particles_anim_v_frames = 1
+particles_anim_loop = false
+
+[sub_resource type="Curve" id="Curve_ytfwl"]
+_data = [Vector2(0.00554017, 0.021126747), 0.0, 0.0, 0, 0, Vector2(0.14681442, 0.99295783), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_jyg1o"]
+curve = SubResource("Curve_ytfwl")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_u8d0v"]
+lifetime_randomness = 0.1
+particle_flag_disable_z = true
+emission_shape = 1
+emission_sphere_radius = 33.35
+spread = 180.0
+initial_velocity_min = 47.62
+initial_velocity_max = 47.62
+gravity = Vector3(0, 0, 0)
+damping_min = 97.494
+damping_max = 97.494
+color = Color(1, 0.11372549, 0.22745098, 1)
+alpha_curve = SubResource("CurveTexture_jyg1o")
+anim_speed_min = 10.0
+anim_speed_max = 10.0
+
+[node name="ExplosionGPUParticles2D" type="GPUParticles2D" unique_id=1991976710]
+z_index = 1
+z_as_relative = false
+material = SubResource("CanvasItemMaterial_bfsaf")
+emitting = false
+amount = 32
+texture = ExtResource("1_rjvc0")
+lifetime = 0.3
+one_shot = true
+visibility_rect = Rect2(-200, -75, 400, 150)
+process_material = SubResource("ParticleProcessMaterial_u8d0v")

Game/Target/Explosion/scorches.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://ddv3d3cguh5hd"
+path="res://.godot/imported/scorches.png-b8a9f74019ec3d75b5befcdf7090cc9b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Target/Explosion/scorches.png"
+dest_files=["res://.godot/imported/scorches.png-b8a9f74019ec3d75b5befcdf7090cc9b.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/Target/Target.cs

@@ -12,8 +12,9 @@ public partial class Target : Node2D, ITarget
     private readonly Subject<Unit> _timedOut = new();
     [Export] public required Area2D CollisionArea;
     [Export] public required Sprite2D Image;
-    [Export] public double TimeOutDurationInSeconds;
     [Export] public required Timer TimeOutTimer;
+    [Export] private PackedScene _explosionPackedScene = null!;
+    [Inject] private ILevel _level = null!;
 
     [Inject] private ITargetCollector _targetCollector = null!;
 
@@ -25,7 +26,8 @@ public partial class Target : Node2D, ITarget
     {
         Image.Visible = true;
         CollisionArea.Monitoring = true;
-        TimeOutTimer.Start(TimeOutDurationInSeconds);
+        CollisionArea.Monitorable = true;
+        TimeOutTimer.Start(_level.SpawnDuration.TotalSeconds);
     }
 
     public override void _Ready()
@@ -39,18 +41,29 @@ public partial class Target : Node2D, ITarget
         _hit.Dispose();
     }
 
-    // todo: hook to collision
+    private void OnAreaEntered(Area2D _)
+    {
+        OnHit();
+    }
+
     private void OnHit()
     {
         Disable();
         TimeOutTimer.Stop();
         _hit.OnNext(Unit.Default);
+
+        var explosion = (GpuParticles2D)_explosionPackedScene.Instantiate();
+        explosion.GlobalPosition = GlobalPosition;
+        explosion.Emitting = true;
+        GetTree().CurrentScene.AddChild(explosion);
     }
 
     private void Disable()
     {
         Image.Visible = false;
-        CollisionArea.Monitoring = false;
+        // can't se monitoring/monitorable when inside the collision code, like during OnHit
+        CollisionArea.SetDeferred(Area2D.PropertyName.Monitoring, false);
+        CollisionArea.SetDeferred(Area2D.PropertyName.Monitorable, false);
     }
 
     private void OnTimeout()

Game/Target/target.tscn

@@ -2,6 +2,7 @@
 
 [ext_resource type="Script" uid="uid://bv2hat41dyxiv" path="res://Game/Target/Target.cs" id="1_ouani"]
 [ext_resource type="Texture2D" uid="uid://m4pvy8kkw7k4" path="res://Game/Target/towerDefense_tile136.png" id="2_olsqn"]
+[ext_resource type="PackedScene" uid="uid://cd8w4ydeugrxn" path="res://Game/Target/Explosion/explosion_gpu_particles_2d.tscn" id="2_uqpd1"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_uqpd1"]
 radius = 60.033325
@@ -10,8 +11,8 @@ radius = 60.033325
 script = ExtResource("1_ouani")
 CollisionArea = NodePath("CollisionArea")
 Image = NodePath("Sprite2D")
-TimeOutDurationInSeconds = 7.0
 TimeOutTimer = NodePath("TimeOutTimer")
+_explosionPackedScene = ExtResource("2_uqpd1")
 
 [node name="Sprite2D" type="Sprite2D" parent="." unique_id=31059524]
 visible = false
@@ -30,4 +31,5 @@ shape = SubResource("CircleShape2D_uqpd1")
 [node name="TimeOutTimer" type="Timer" parent="." unique_id=1079777109]
 one_shot = true
 
+[connection signal="area_entered" from="CollisionArea" to="." method="OnAreaEntered"]
 [connection signal="timeout" from="TimeOutTimer" to="." method="OnTimeout"]

Game/levels_data.tres

@@ -5,7 +5,8 @@
 
 [sub_resource type="Resource" id="Resource_bbjqm"]
 script = ExtResource("1_bkfnq")
-TimeBetweenSpawns = 0.5
+TimeBetweenSpawns = 1.0
+SpawnDuration = 4.0
 metadata/_custom_type_script = "uid://ywe7vkywrdvk"
 
 [resource]

Interfaces/ILevel.cs

@@ -4,5 +4,13 @@ namespace GodotHostTest.Interfaces;
 
 public interface ILevel
 {
+    /// <summary>
+    ///     Time between successive spawns.
+    /// </summary>
     public TimeSpan TimeBetweenSpawns { get; }
+
+    /// <summary>
+    ///     Duration of a single spawn.
+    /// </summary>
+    public TimeSpan SpawnDuration { get; }
 }

root_scene.tscn

@@ -1,9 +1,10 @@
 [gd_scene format=3 uid="uid://vsburk37p4u"]
 
-[ext_resource type="Script" uid="uid://bvjvojer872c8" path="res://Game/Root.cs" id="1_iqet6"]
+[ext_resource type="Script" uid="uid://bvjvojer872c8" path="res://Game/Root/Root.cs" id="1_iqet6"]
-[ext_resource type="PackedScene" uid="uid://xfd48ep5qi1k" path="res://Game/level.tscn" id="3_bbjqm"]
+[ext_resource type="PackedScene" uid="uid://xfd48ep5qi1k" path="res://Game/Level/level.tscn" id="3_bbjqm"]
-[ext_resource type="Script" uid="uid://bpes6mnv21f2v" path="res://Game/GameServiceSource.cs" id="3_iqet6"]
+[ext_resource type="Script" uid="uid://bpes6mnv21f2v" path="res://Game/Root/GameServiceSource.cs" id="3_iqet6"]
 [ext_resource type="Resource" uid="uid://c4ym7vrpgk4e6" path="res://Game/levels_data.tres" id="4_t2jh2"]
+[ext_resource type="PackedScene" uid="uid://cvwvwv55n00ce" path="res://Game/Background/background.tscn" id="5_bbjqm"]
 
 [node name="Root" type="Node2D" unique_id=920849082]
 script = ExtResource("1_iqet6")
@@ -13,3 +14,5 @@ _levelScene = ExtResource("3_bbjqm")
 script = ExtResource("3_iqet6")
 _levelsData = ExtResource("4_t2jh2")
 InjectedNodes = [NodePath("..")]
+
+[node name="Background" parent="." unique_id=701555148 instance=ExtResource("5_bbjqm")]