Enemy spawning

Scripts/Actors/EnemyMarker3D.cs

@@ -0,0 +1,69 @@
+using Cirno.Scripts.Components.FSM.Enemy._3D;
+using Cirno.Scripts.Resources;
+using Cirno.Scripts.Utils;
+using Godot;
+
+namespace Cirno.Scripts.Actors;
+
+[Tool]
+public partial class EnemyMarker3D : PreviewMarker3D
+{
+    private EnemyResource _enemy;
+    
+    [Export]
+    public EnemyResource Enemy
+    {
+        get => _enemy;
+        set
+        {
+            _enemy = value;
+            if (Engine.IsEditorHint())
+            {
+                //QueueRedraw();
+                this.Texture = _enemy.IconSprite;
+            }
+        }
+    }
+
+    [Export] public bool AutoSpawn { get; set; } = false;
+    
+    private EnemyProxy3D _spawnedEnemy;
+    
+    public override void _Ready()
+    {
+        base._Ready();
+
+        if (AutoSpawn)
+        {
+            Spawn(false);
+        }
+    }
+    
+    public EnemyProxy3D Spawn(bool deleteMarker)
+    {
+        if (Engine.IsEditorHint()) return null ;
+        if (Enemy is null) return null;
+        if (_spawnedEnemy is not null) return _spawnedEnemy;
+
+        if (deleteMarker)
+        {
+            this.QueueFree();
+        }
+        
+        var enemyScene = GD.Load<PackedScene>(Enemy.PrefabPath);
+        
+        _spawnedEnemy = this.CreateSibling<EnemyProxy3D>(enemyScene);
+        _spawnedEnemy.Init(Enemy);
+        //Spawned = true;
+        
+        _spawnedEnemy.Death += SpawnedEnemyOnDeath;
+        return _spawnedEnemy;
+    }
+    
+    private void SpawnedEnemyOnDeath(EnemyProxy3D enemy)
+    {
+        _spawnedEnemy.Death -= SpawnedEnemyOnDeath;
+        _spawnedEnemy = null;
+        //Spawned = false;
+    }
+}