Added basic entity scripts

scripts/CSharp/GameEntity/Management/EntityManager.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Babushka.scripts.CSharp.GameEntity.Types;
+using Godot;
+using Entity = Babushka.scripts.CSharp.GameEntity.Entities.Entity;
+using PositionalEntity = Babushka.scripts.CSharp.GameEntity.Entities.PositionalEntity;
+
+namespace Babushka.scripts.CSharp.GameEntity.Management;
+
+public partial class EntityManager : Node
+{
+    [Export] private EntityNodeCreator _nodeCreator = null!;
+
+    private EntitySceneManager? _currentEntitySceneManager;
+
+
+    private readonly List<Entity> _allEntities = new();
+
+    public IEnumerable<Entity> AllEntities => _allEntities;
+
+    public IEnumerable<PositionalEntity> AllPositionalEntities => _allEntities.OfType<PositionalEntity>();
+
+    public T NewPositionalEntity<T>(EntityType type, Vector2 position, string? scene = null) where T : PositionalEntity
+    {
+        if (scene == null)
+        {
+            if (_currentEntitySceneManager == null)
+                throw new Exception("No current scene. Specify scene to spawn an entity");
+            
+            scene = _currentEntitySceneManager.sceneName;
+        }
+
+        var newEntity = _nodeCreator.Create<T>(type);
+        newEntity.Position = position;
+        newEntity.sceneName = scene;
+        _allEntities.Add(newEntity);
+
+        _currentEntitySceneManager.AddIfNeeded(newEntity);
+
+        return newEntity;
+    }
+
+    public void UnloadScene()
+    {
+        if (_currentEntitySceneManager == null) return;
+        _currentEntitySceneManager.RemoveAllEntities();
+        _currentEntitySceneManager = null;
+    }
+
+    public void LoadScene(EntitySceneManager sceneManager)
+    {
+        _currentEntitySceneManager = sceneManager;
+        foreach (var entity in AllPositionalEntities)
+        {
+            _currentEntitySceneManager.AddIfNeeded(entity);
+        }
+    }
+}

scripts/CSharp/GameEntity/Management/EntityManager.cs.uid

@@ -0,0 +1 @@
+uid://umop2b1m1qm8

scripts/CSharp/GameEntity/Management/EntityManagerUtil.cs

@@ -0,0 +1,14 @@
+using PositionalEntity = Babushka.scripts.CSharp.GameEntity.Entities.PositionalEntity;
+
+namespace Babushka.scripts.CSharp.GameEntity.Management;
+
+public static class EntityManagerUtil
+{
+    public static void AddIfNeeded(this EntitySceneManager? self, PositionalEntity entity)
+    {
+        if(self == null) return;
+        if(self.sceneName != entity.sceneName) return;
+
+        self.AddEntity(entity);
+    }
+}

scripts/CSharp/GameEntity/Management/EntityManagerUtil.cs.uid

@@ -0,0 +1 @@
+uid://dc3283h7sx4cl

scripts/CSharp/GameEntity/Management/EntityNodeCreator.cs

@@ -0,0 +1,16 @@
+using Babushka.scripts.CSharp.GameEntity.Types;
+using Godot;
+using Godot.Collections;
+using Entity = Babushka.scripts.CSharp.GameEntity.Entities.Entity;
+
+namespace Babushka.scripts.CSharp.GameEntity.Management;
+
+public partial class EntityNodeCreator : Node
+{
+    [Export] private Dictionary<EntityType, PackedScene> _entityPrefabs;
+
+    public T Create<T>(EntityType type) where T:Entity
+    {
+        return _entityPrefabs[type].Instantiate<T>();
+    }
+}

scripts/CSharp/GameEntity/Management/EntityNodeCreator.cs.uid

@@ -0,0 +1 @@
+uid://bogqp274y1pgr

scripts/CSharp/GameEntity/Management/EntitySceneManager.cs

@@ -0,0 +1,25 @@
+using Godot;
+using PositionalEntity = Babushka.scripts.CSharp.GameEntity.Entities.PositionalEntity;
+
+namespace Babushka.scripts.CSharp.GameEntity.Management;
+
+public partial class EntitySceneManager : Node2D
+{
+    [Export] public string sceneName = "none";
+
+    public void AddEntity(PositionalEntity entity)
+    {
+        AddChild(entity);
+    }
+
+    public void RemoveAllEntities()
+    {
+        foreach (var entity in GetChildren())
+        {
+            if (entity is PositionalEntity positionalEntity)
+            {
+                RemoveChild(entity);
+            }
+        }
+    }
+}

scripts/CSharp/GameEntity/Management/EntitySceneManager.cs.uid

@@ -0,0 +1 @@
+uid://ca1pg6k3gn47y