Add initial ECS support

include/Nazara/Graphics/Components/GraphicsComponent.hpp

@@ -0,0 +1,45 @@
+// Copyright (C) 2021 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Graphics module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_GRAPHICSCOMPONENT_HPP
+#define NAZARA_GRAPHICSCOMPONENT_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/ECS.hpp>
+#include <Nazara/Graphics/InstancedRenderable.hpp>
+#include <Nazara/Graphics/WorldInstance.hpp>
+#include <memory>
+#include <vector>
+
+namespace Nz
+{
+	class NAZARA_GRAPHICS_API GraphicsComponent
+	{
+		public:
+			GraphicsComponent() = default;
+			GraphicsComponent(const GraphicsComponent&) = default;
+			GraphicsComponent(GraphicsComponent&&) = default;
+			~GraphicsComponent() = default;
+
+			inline void AttachRenderable(std::shared_ptr<InstancedRenderable> renderable);
+			inline void DetachRenderable(const std::shared_ptr<InstancedRenderable>& renderable);
+
+			inline const std::vector<std::shared_ptr<InstancedRenderable>>& GetRenderables() const;
+			inline WorldInstance& GetWorldInstance();
+			inline const WorldInstance& GetWorldInstance() const;
+
+			GraphicsComponent& operator=(const GraphicsComponent&) = default;
+			GraphicsComponent& operator=(GraphicsComponent&&) = default;
+
+		private:
+			std::vector<std::shared_ptr<InstancedRenderable>> m_renderables;
+			WorldInstance m_worldInstance;
+	};
+}
+
+#include <Nazara/Graphics/Components/GraphicsComponent.inl>
+
+#endif