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Source/Engine/Serialization/ISerializable.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "JsonFwd.h"
+#include "Engine/Core/Compiler.h"
+
+class JsonWriter;
+class ISerializeModifier;
+
+/// <summary>
+/// Interface for objects that can be serialized/deserialized to/from JSON format.
+/// </summary>
+class FLAXENGINE_API ISerializable
+{
+public:
+
+    typedef rapidjson_flax::Document SerializeDocument;
+
+    /// <summary>
+    /// Serialization output stream
+    /// </summary>
+    typedef rapidjson_flax::Value DeserializeStream;
+
+    /// <summary>
+    /// Serialization input stream
+    /// </summary>
+    typedef JsonWriter SerializeStream;
+
+public:
+
+    /// <summary>
+    /// Finalizes an instance of the <see cref="ISerializable"/> class.
+    /// </summary>
+    virtual ~ISerializable() = default;
+
+    /// <summary>
+    /// Serialize object to the output stream compared to the values of the other object instance (eg. default class object). If other object is null then serialize all properties.
+    /// </summary>
+    /// <param name="stream">The output stream.</param>
+    /// <param name="otherObj">The instance of the object to compare with and serialize only the modified properties. If null, then serialize all properties.</param>
+    virtual void Serialize(SerializeStream& stream, const void* otherObj) = 0;
+
+    /// <summary>
+    /// Deserialize object from the input stream
+    /// </summary>
+    /// <param name="stream">The input stream.</param>
+    /// <param name="modifier">The deserialization modifier object. Always valid.</param>
+    virtual void Deserialize(DeserializeStream& stream, ISerializeModifier* modifier) = 0;
+
+    /// <summary>
+    /// Deserialize object from the input stream child member. Won't deserialize it if member is missing.
+    /// </summary>
+    /// <param name="stream">The input stream.</param>
+    /// <param name="memberName">The input stream member to lookup.</param>
+    /// <param name="modifier">The deserialization modifier object. Always valid.</param>
+    void DeserializeIfExists(DeserializeStream& stream, const char* memberName, ISerializeModifier* modifier);
+};