refactor: renamed converters to serializers

Engine.Core/Serialization/Serializers/Primitives/Line2DSerializer.cs

@@ -0,0 +1,41 @@
+using System;
+
+using YamlDotNet.Core;
+using YamlDotNet.Core.Events;
+using YamlDotNet.Serialization;
+
+namespace Syntriax.Engine.Core.Serialization;
+
+public class Line2DSerializer : IEngineTypeYamlSerializer
+{
+    public bool Accepts(Type type) => type == typeof(Line2D);
+
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
+    {
+        parser.Consume<MappingStart>();
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(Line2D.From)) != 0)
+            throw new ArgumentException($"{nameof(Line2D)} mapping must start with {nameof(Line2D.From)}");
+        Vector2D from = (Vector2D)rootDeserializer(typeof(Vector2D))!;
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(Line2D.To)) != 0)
+            throw new ArgumentException($"{nameof(Line2D)} mapping must end with {nameof(Line2D.To)}");
+        Vector2D to = (Vector2D)rootDeserializer(typeof(Vector2D))!;
+
+        parser.Consume<MappingEnd>();
+
+        return new Line2D(from, to);
+    }
+
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
+    {
+        Line2D line2D = (Line2D)value!;
+
+        emitter.Emit(new MappingStart());
+        emitter.Emit(new Scalar(nameof(Line2D.From)));
+        serializer(line2D.From, typeof(Vector2D));
+        emitter.Emit(new Scalar(nameof(Line2D.To)));
+        serializer(line2D.To, typeof(Vector2D));
+        emitter.Emit(new MappingEnd());
+    }
+}