NPC that shoots at player

Cirno.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Godot.NET.Sdk/4.2.2">
+<Project Sdk="Godot.NET.Sdk/4.3.0-rc.2">
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net7.0</TargetFramework>

Cirno.csproj.old.1

@@ -0,0 +1,8 @@
+<Project Sdk="Godot.NET.Sdk/4.2.2">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net7.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'ios' ">net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+  </PropertyGroup>
+</Project>

Cirno.csproj.old.2

@@ -0,0 +1,8 @@
+<Project Sdk="Godot.NET.Sdk/4.3.0-beta.2">
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'android' ">net7.0</TargetFramework>
+    <TargetFramework Condition=" '$(GodotTargetPlatform)' == 'ios' ">net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+  </PropertyGroup>
+</Project>

Scenes/Enemy.tscn

@@ -0,0 +1,48 @@
+[gd_scene load_steps=8 format=3 uid="uid://v8s3kubgb2qg"]
+
+[ext_resource type="Texture2D" uid="uid://b4ynnb14mb4uq" path="res://Sprites/Reisen.png" id="1_4w8mj"]
+[ext_resource type="Script" path="res://Scripts/Enemy.cs" id="1_lpwdj"]
+[ext_resource type="PackedScene" uid="uid://cuixq5ex0j40h" path="res://Scenes/enemyBullet.tscn" id="2_ogldd"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_2brqc"]
+atlas = ExtResource("1_4w8mj")
+region = Rect2(0, 0, 8, 16)
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_8gtts"]
+radius = 7.0
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_cacb5"]
+radius = 4.0
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_v711r"]
+radius = 85.0529
+
+[node name="Enemy" type="Area2D"]
+collision_layer = 16
+script = ExtResource("1_lpwdj")
+BulletScene = ExtResource("2_ogldd")
+metadata/_edit_group_ = true
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = SubResource("AtlasTexture_2brqc")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+visible = false
+shape = SubResource("CircleShape2D_8gtts")
+
+[node name="RigidBody2D" type="RigidBody2D" parent="."]
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
+visible = false
+position = Vector2(0, 5)
+shape = SubResource("CircleShape2D_cacb5")
+
+[node name="PlayerDetection" type="Area2D" parent="."]
+collision_layer = 16
+collision_mask = 2
+
+[node name="PlayerDetectionArea" type="CollisionShape2D" parent="PlayerDetection"]
+shape = SubResource("CircleShape2D_v711r")
+
+[connection signal="area_entered" from="PlayerDetection" to="." method="_on_player_detection_area_entered"]
+[connection signal="area_exited" from="PlayerDetection" to="." method="_on_player_detection_area_exited"]

Scenes/Furniture/LargeTank.tscn

@@ -32,6 +32,7 @@ position = Vector2(0.5, -0.5)
 shape = SubResource("RectangleShape2D_0nhpj")
 
 [node name="RigidBody2D" type="RigidBody2D" parent="."]
+visible = false
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="RigidBody2D"]
 position = Vector2(0, 1.5)

Scenes/enemyBullet.tscn

@@ -0,0 +1,29 @@
+[gd_scene load_steps=4 format=3 uid="uid://cuixq5ex0j40h"]
+
+[ext_resource type="Script" path="res://Scripts/Bullet.cs" id="1_s0j1e"]
+[ext_resource type="Texture2D" uid="uid://cybpmpb0d8yva" path="res://Sprites/Projectile.png" id="2_6t448"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_jxptd"]
+radius = 2.23607
+
+[node name="Bullet" type="Area2D" groups=["bullets"]]
+collision_layer = 8
+collision_mask = 71
+script = ExtResource("1_s0j1e")
+Speed = 200.0
+metadata/_edit_group_ = true
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2_6t448")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_jxptd")
+
+[node name="Node2D" type="Node2D" parent="."]
+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"]

Scripts/Enemy.cs

@@ -0,0 +1,103 @@
+using Godot;
+using System;
+using System.Diagnostics;
+
+public partial class Enemy : Area2D
+{
+	private InteractionController _cachedPlayer;
+	private EnemyState _currentState = EnemyState.Idle;
+
+	[Export]
+	public PackedScene BulletScene { get; set; }
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta)
+	{
+		switch (_currentState)
+		{
+			case EnemyState.Idle:
+
+				break;
+
+			case EnemyState.Primed:
+				// Have the raycast follow the player and shoot if visible
+				//HandlePlayerDetection();
+				break;
+
+			//case EnemyState.Shooting:
+			// Shoot
+			//break;
+			default:
+				break;
+		}
+	}
+
+	public override void _PhysicsProcess(double delta)
+	{
+		HandlePlayerDetection();
+	}
+
+	private void HandlePlayerDetection()
+	{
+		if (_cachedPlayer == null || _currentState is not EnemyState.Primed)
+		{
+			return;
+		}
+
+		if (IsPlayerInSight()) {
+			// SHOOT
+			var bullet = BulletScene.Instantiate<Bullet>();
+			Owner.AddChild(bullet);
+			bullet.Transform = this.GlobalTransform;
+			bullet.Position = this.Position;
+			bullet.SetDirection((_cachedPlayer.GlobalPosition - this.GlobalPosition).Normalized());
+		}
+	}
+
+	private bool IsPlayerInSight() {
+ 		var spaceState = GetWorld2D().DirectSpaceState;
+		var query = PhysicsRayQueryParameters2D.Create(this.GlobalPosition, _cachedPlayer.GlobalPosition, CollisionMask, new Godot.Collections.Array<Rid> { GetRid() });
+		var result = spaceState.IntersectRay(query);
+
+		// If count is 0 then the player is in sight, otherwise there is level geometry in the way
+		return result.Count == 0;
+
+		// if (result.Count > 0)
+		//     GD.Print("Hit at point: ", result["position"]);
+	}
+
+	private void _on_player_detection_area_entered(Area2D area)
+	{
+		// Assume area is player for now
+		if (area is InteractionController player)
+		{
+			Debug.WriteLine("Enemy detection area Entered by interaction controller");
+
+			_cachedPlayer = player;
+			if (_currentState is EnemyState.Idle)
+			{
+				_currentState = EnemyState.Primed;
+			}
+		}
+	}
+
+	private void _on_player_detection_area_exited(Area2D area)
+	{
+		if (_currentState is EnemyState.Primed)
+		{
+			_currentState = EnemyState.Idle;
+		}
+	}
+
+	private enum EnemyState
+	{
+		Idle,
+		Primed
+	}
+}

Scripts/Tools.cs

@@ -1,17 +1,17 @@
-using Godot;
+using Godot;
 
 namespace Cirno.Scripts;
 
 public static class Tools
 {
-    public static T CreateChild<T>(this Node2D node, PackedScene prefab) where T : Node2D
+	public static T CreateChild<T>(this Node2D node, PackedScene prefab) where T : Node2D
-    {
+	{
-        if (prefab == null) return null;
+		if (prefab == null) return null;
-        var newInstance = prefab.Instantiate<T>();
+		var newInstance = prefab.Instantiate<T>();
-        node.Owner.CallDeferred("add_child", newInstance);
+		node.Owner.CallDeferred("add_child", newInstance);
-        newInstance.Transform = node.GlobalTransform;
+		newInstance.Transform = node.GlobalTransform;
-        newInstance.Position = node.Position;
+		newInstance.Position = node.Position;
 
-        return newInstance;
+		return newInstance;
-    }
+	}
-}
+}

project.godot

@@ -12,7 +12,7 @@ config_version=5
 
 config/name="Cirno"
 run/main_scene="res://Scenes/game.tscn"
-config/features=PackedStringArray("4.2", "C#", "GL Compatibility")
+config/features=PackedStringArray("4.3", "C#", "GL Compatibility")
 config/icon="res://icon.svg"
 
 [display]
@@ -32,26 +32,26 @@ enabled=PackedStringArray("res://addons/smoothing/plugin.cfg")
 
 left={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":0,"echo":false,"script":null)
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"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,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"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)
 ]
 }
 right={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"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,"echo":false,"script":null)
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"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)
-, 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":68,"key_label":0,"unicode":100,"echo":false,"script":null)
+, 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":68,"key_label":0,"unicode":100,"location":0,"echo":false,"script":null)
 ]
 }
 up={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194320,"key_label":0,"unicode":0,"echo":false,"script":null)
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194320,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-, 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":87,"key_label":0,"unicode":119,"echo":false,"script":null)
+, 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":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
 ]
 }
 down={
 "deadzone": 0.5,
-"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194322,"key_label":0,"unicode":0,"echo":false,"script":null)
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194322,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
-, 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":83,"key_label":0,"unicode":115,"echo":false,"script":null)
+, 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":83,"key_label":0,"unicode":115,"location":0,"echo":false,"script":null)
 ]
 }
 click={
@@ -61,12 +61,12 @@ click={
 }
 shoot={
 "deadzone": 0.5,
-"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":32,"key_label":0,"unicode":32,"echo":false,"script":null)
+"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":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
 ]
 }
 Use={
 "deadzone": 0.5,
-"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":70,"key_label":0,"unicode":102,"echo":false,"script":null)
+"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":70,"key_label":0,"unicode":102,"location":0,"echo":false,"script":null)
 ]
 }