feat: added universe serializer

Engine.Core/Serialization/Serializers/UniverseSerializer.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using YamlDotNet.Core;
+using YamlDotNet.Core.Events;
+using YamlDotNet.Serialization;
+
+namespace Syntriax.Engine.Core.Serialization;
+
+public class UniverseSerializer : IEngineTypeYamlSerializer
+{
+    private const string SERIALIZED_SCALAR_NAME = "Properties";
+
+    public bool Accepts(Type type) => typeof(IUniverse).IsAssignableFrom(type);
+
+    public object? ReadYaml(IParser parser, Type type, ObjectDeserializer rootDeserializer)
+    {
+        string id;
+
+        IUniverse universe;
+        IStateEnable stateEnable;
+        List<IUniverseObject> universeObjects;
+
+        parser.Consume<MappingStart>();
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(IUniverse.Id)) != 0)
+            throw new();
+        id = parser.Consume<Scalar>().Value;
+
+        if (parser.Consume<Scalar>().Value.CompareTo(SERIALIZED_SCALAR_NAME) != 0)
+            throw new();
+        SerializedClass instanceSerializedClass = (SerializedClass)rootDeserializer(typeof(SerializedClass))!;
+        universe = (IUniverse)instanceSerializedClass.CreateInstance();
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(IUniverse.StateEnable)) != 0)
+            throw new();
+        stateEnable = (IStateEnable)rootDeserializer(typeof(IStateEnable))!;
+
+        if (parser.Consume<Scalar>().Value.CompareTo(nameof(IUniverse.UniverseObjects)) != 0)
+            throw new();
+        universeObjects = (List<IUniverseObject>)rootDeserializer(typeof(List<IUniverseObject>))!;
+
+        parser.Consume<MappingEnd>();
+
+        universe.Id = id;
+
+        stateEnable.Assign(universe);
+        universe.Assign(stateEnable);
+
+        foreach (IUniverseObject uo in universeObjects)
+            universe.Register(uo);
+
+        return universe;
+    }
+
+    public void WriteYaml(IEmitter emitter, object? value, Type type, ObjectSerializer serializer)
+    {
+        IUniverse universe = (IUniverse)value!;
+
+        emitter.Emit(new MappingStart());
+
+        emitter.Emit(new Scalar(nameof(IUniverse.Id)));
+        emitter.Emit(new Scalar(universe.Id));
+
+        emitter.Emit(new Scalar(SERIALIZED_SCALAR_NAME));
+        serializer(new SerializedClass(universe));
+
+        emitter.Emit(new Scalar(nameof(IUniverse.StateEnable)));
+        serializer(universe.StateEnable);
+
+        emitter.Emit(new Scalar(nameof(IUniverse.UniverseObjects)));
+        serializer(universe.UniverseObjects.Where(uo => !uo.GetType().HasAttribute<IgnoreSerializationAttribute>()));
+
+        emitter.Emit(new MappingEnd());
+    }
+}