Exploding barrels

Scenes/Barrel.cs

@@ -0,0 +1,48 @@
+using Godot;
+using System;
+using System.Diagnostics;
+
+public partial class Barrel : Area2D, IDestructible
+{
+
+	[Export]
+	public float Health = 1f;
+
+	[Export]
+	public float ExplosionRadius = 1;
+
+	private float _currentHealth;
+
+	private bool _isDestroyed = false;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		_currentHealth = Health;
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta)
+	{
+	}
+
+	public void Explode() {
+		Debug.WriteLine("Boom");
+		QueueFree();
+	}
+
+	public void Hit(float damage)
+	{
+		if (_isDestroyed) return;
+		_isDestroyed = true;
+		Explode();
+
+		// TODO: Change sprite
+	}
+
+	public bool IsDestroyed()
+	{
+		return _isDestroyed;
+	}
+
+}

Scenes/Barrel.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=4 format=3 uid="uid://bj28qiai2x2ar"]
+[gd_scene load_steps=6 format=3 uid="uid://bj28qiai2x2ar"]
 
+[ext_resource type="Script" path="res://Scenes/Barrel.cs" id="1_avwdx"]
 [ext_resource type="Texture2D" uid="uid://d2f16ke8c7vwx" path="res://Sprites/Barrel.png" id="1_e66t6"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_2ewfl"]
@@ -9,9 +10,13 @@ size = Vector2(11, 14)
 atlas = ExtResource("1_e66t6")
 region = Rect2(0, 0, 16, 16)
 
-[node name="Barrel" type="Area2D"]
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_ss2y0"]
+size = Vector2(11, 14)
+
+[node name="Barrel" type="Area2D" groups=["Destroyable"]]
 collision_layer = 64
 collision_mask = 10
+script = ExtResource("1_avwdx")
 metadata/_edit_group_ = true
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
@@ -21,3 +26,13 @@ shape = SubResource("RectangleShape2D_2ewfl")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = SubResource("AtlasTexture_v7gy8")
+
+[node name="RigidBody2D" type="RigidBody2D" parent="."]
+collision_layer = 64
+collision_mask = 10
+gravity_scale = 0.0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
+visible = false
+position = Vector2(0.5, -1)
+shape = SubResource("RectangleShape2D_ss2y0")

Scenes/Furniture/LargeTank.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=4 format=3 uid="uid://uaf5r6cd71hu"]
+[gd_scene load_steps=5 format=3 uid="uid://uaf5r6cd71hu"]
 
+[ext_resource type="Script" path="res://Scenes/Barrel.cs" id="1_7ckvo"]
 [ext_resource type="Texture2D" uid="uid://d2rvjbllnogx4" path="res://Sprites/LargeTank.png" id="1_7h6ee"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_i3nxh"]
@@ -12,6 +13,8 @@ size = Vector2(61, 61)
 [node name="LargeTank" type="Area2D"]
 collision_layer = 65
 collision_mask = 11
+script = ExtResource("1_7ckvo")
+Health = 4.0
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = SubResource("AtlasTexture_i3nxh")

Scenes/Furniture/MediumLiquidTank.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=4 format=3 uid="uid://7cpk3c3d8cl7"]
+[gd_scene load_steps=5 format=3 uid="uid://7cpk3c3d8cl7"]
 
+[ext_resource type="Script" path="res://Scenes/Barrel.cs" id="1_laidj"]
 [ext_resource type="Texture2D" uid="uid://dqx1di84tkfft" path="res://Sprites/MediumLiquidTanks.png" id="1_mv1jg"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_i3nxh"]
@@ -10,8 +11,10 @@ region = Rect2(64, 96, 32, 32)
 size = Vector2(28, 24)
 
 [node name="LargeTank" type="Area2D"]
-collision_layer = 65
-collision_mask = 11
+collision_layer = 64
+collision_mask = 10
+script = ExtResource("1_laidj")
+Health = 2.0
 metadata/_edit_group_ = true
 
 [node name="Sprite2D" type="Sprite2D" parent="."]

Scenes/Furniture/MediumTank.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=4 format=3 uid="uid://crmwuwhltmdq7"]
+[gd_scene load_steps=5 format=3 uid="uid://crmwuwhltmdq7"]
 
+[ext_resource type="Script" path="res://Scenes/Barrel.cs" id="1_c66eg"]
 [ext_resource type="Texture2D" uid="uid://b80wf43ow5d8b" path="res://Sprites/MediumTank.png" id="1_y64dw"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_i3nxh"]
@@ -9,9 +10,11 @@ region = Rect2(0, 0, 64, 64)
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_0nhpj"]
 size = Vector2(30, 28)
 
-[node name="LargeTank" type="Area2D"]
-collision_layer = 65
-collision_mask = 11
+[node name="LargeTank" type="Area2D" groups=["Destroyable"]]
+collision_layer = 64
+collision_mask = 10
+script = ExtResource("1_c66eg")
+Health = 2.0
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
 texture = SubResource("AtlasTexture_i3nxh")

Scenes/Furniture/MediumTerminal.tscn

@@ -1,5 +1,6 @@
-[gd_scene load_steps=4 format=3 uid="uid://bnhck5eh0tqxf"]
+[gd_scene load_steps=5 format=3 uid="uid://bnhck5eh0tqxf"]
 
+[ext_resource type="Script" path="res://Scenes/Barrel.cs" id="1_iba8l"]
 [ext_resource type="Texture2D" uid="uid://juyup7so2u4g" path="res://Sprites/MediumTerminals.png" id="1_sgrg1"]
 
 [sub_resource type="AtlasTexture" id="AtlasTexture_i3nxh"]
@@ -9,9 +10,10 @@ region = Rect2(96, 0, 32, 32)
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_0nhpj"]
 size = Vector2(28, 24)
 
-[node name="LargeTank" type="Area2D"]
-collision_layer = 65
-collision_mask = 11
+[node name="LargeTank" type="Area2D" groups=["Destroyable"]]
+collision_layer = 64
+collision_mask = 10
+script = ExtResource("1_iba8l")
 metadata/_edit_group_ = true
 
 [node name="Sprite2D" type="Sprite2D" parent="."]

Scenes/bullet.tscn

@@ -8,7 +8,7 @@ radius = 2.23607
 
 [node name="Bullet" type="Area2D" groups=["bullets"]]
 collision_layer = 8
-collision_mask = 21
+collision_mask = 85
 script = ExtResource("1_jvxw3")
 Speed = 200.0
 metadata/_edit_group_ = true
@@ -24,5 +24,6 @@ editor_description = "Player Bullet"
 
 [node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="."]
 
+[connection signal="area_entered" from="." to="." method="_on_area_entered"]
 [connection signal="body_entered" from="." to="." method="_on_body_entered"]
 [connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="_on_visible_on_screen_notifier_2d_screen_exited"]

Scenes/test.tscn

@@ -6950,6 +6950,15 @@ layer_2/tile_data = PackedInt32Array(-852021, 131072, 6, -786485, 131072, 6, -72
 
 [node name="Barrel" parent="Factory Tilemaps/Solid" instance=ExtResource("5_3uba3")]
 position = Vector2(-751, -166)
+Health = 2.0
+
+[node name="Barrel2" parent="Factory Tilemaps/Solid" instance=ExtResource("5_3uba3")]
+position = Vector2(-615, -103)
+Health = 2.0
+
+[node name="Barrel3" parent="Factory Tilemaps/Solid" instance=ExtResource("5_3uba3")]
+position = Vector2(-631, -103)
+Health = 2.0
 
 [node name="LargeTank" parent="Factory Tilemaps/Solid" instance=ExtResource("6_nkauc")]
 position = Vector2(-639, 71)

Scripts/Bullet.cs

@@ -7,6 +7,9 @@ public partial class Bullet : Area2D
 	[Export]
 	public float Speed = 1900f;
 
+	[Export]
+	public float Damage = 1f;
+
 	private Vector2 _direction = Vector2.Right;
 
 	//public delegate void BulletHitEventHandler(Node Body);
@@ -53,15 +56,28 @@ public partial class Bullet : Area2D
 	{
 		if (body.IsInGroup("Solid"))
 		{
-			Debug.WriteLine("Collision");
+			//Debug.WriteLine("Collision");
+			QueueFree();
+		}
+		else if (body.IsInGroup("Destroyable"))
+		{
+			Debug.WriteLine("Collision with destroyable object body");
 			QueueFree();
 		}
 
 
 	}
+
+	private void _on_area_entered(Area2D area)
+	{
+		// Replace with function body.
+		if (area.IsInGroup("Destroyable") && area is IDestructible destructible)
+		{
+			//Debug.WriteLine("Collision with destroyable object area");
+			
+			destructible.Hit(Damage);
+
+			QueueFree();
+		}
+	}
 }
-
-
-
-
-

Scripts/IDestructible.cs

@@ -0,0 +1,6 @@
+
+public interface IDestructible 
+{
+    public void Hit(float damage);
+    public bool IsDestroyed();
+}