Added basic entity scripts

scripts/CSharp/GameEntity/Entities/Entity.cs

@@ -0,0 +1,23 @@
+using Babushka.scripts.CSharp.GameEntity.LoadSave;
+using Babushka.scripts.CSharp.GameEntity.Types;
+using Godot;
+using Newtonsoft.Json.Linq;
+
+namespace Babushka.scripts.CSharp.GameEntity.Entities;
+
+public partial class Entity : Node2D
+{
+    private long _id;
+    protected virtual EntityType Type => EntityType.None;
+
+    protected virtual void SaveEntity(JObject json)
+    {
+        json["id"] = _id;
+        json["type"] = (int)Type;
+    }
+
+    protected virtual void LoadEntity(JObject json)
+    {
+        _id = json.GetLongValue("id");
+    }
+}

scripts/CSharp/GameEntity/Entities/Entity.cs.uid

@@ -0,0 +1 @@
+uid://hnmpt23ovfgl

scripts/CSharp/GameEntity/Entities/PositionalEntity.cs

@@ -0,0 +1,27 @@
+using Babushka.scripts.CSharp.GameEntity.LoadSave;
+using Godot;
+using Newtonsoft.Json.Linq;
+
+namespace Babushka.scripts.CSharp.GameEntity.Entities;
+
+public partial class PositionalEntity : Entity
+{
+    public string sceneName = "none";
+
+    protected override void SaveEntity(JObject json)
+    {
+        base.SaveEntity(json);
+        json["posx"] = Position.X;
+        json["posy"] = Position.Y;
+        json["scene"] = sceneName;
+    }
+
+    protected override void LoadEntity(JObject json)
+    {
+        base.LoadEntity(json);
+        Position = new Vector2(
+            json.GetFloatValue("posx"),
+            json.GetFloatValue("posy"));
+        sceneName = json.GetStringValue("scene");
+    }
+}

scripts/CSharp/GameEntity/Entities/PositionalEntity.cs.uid

@@ -0,0 +1 @@
+uid://bs38dulqv7sop