chore: moved primitive converters under subfolder

Engine.Serialization/Converters/Primitives/Shape2DConverter.cs

@@ -0,0 +1,47 @@
+using Syntriax.Engine.Core;
+
+using YamlDotNet.Core;
+using YamlDotNet.Core.Events;
+using YamlDotNet.Serialization;
+
+namespace Syntriax.Engine.Serialization;
+
+public class Shape2DConverter : IEngineTypeYamlConverter
+{
+    public bool Accepts(Type type) => type == typeof(Shape2D);
+
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
+    {
+        parser.Consume<MappingStart>();
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(Shape2D.Vertices)) != 0)
+            throw new ArgumentException($"{nameof(Shape2D)} mapping have a {nameof(Shape2D.Vertices)}");
+
+        parser.Consume<SequenceStart>();
+
+        List<Vector2D> vertices = [];
+
+        while (!parser.TryConsume<SequenceEnd>(out _))
+        {
+            Vector2D vertex = (Vector2D)rootDeserializer(typeof(Vector2D))!;
+            vertices.Add(vertex);
+        }
+
+        parser.Consume<MappingEnd>();
+
+        return new Shape2D(vertices);
+    }
+
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
+    {
+        Shape2D shape2D = (Shape2D)value!;
+
+        emitter.Emit(new MappingStart());
+        emitter.Emit(new Scalar(nameof(Shape2D.Vertices)));
+        emitter.Emit(new SequenceStart(anchor: null, tag: null, isImplicit: false, style: SequenceStyle.Block));
+        foreach (Vector2D vertex in shape2D.Vertices)
+            serializer(vertex, typeof(Vector2D));
+        emitter.Emit(new SequenceEnd());
+        emitter.Emit(new MappingEnd());
+    }
+}