Add EditorCameraComponent and EditorCameraSystem

include/NazaraEditor/Core/Components/CameraComponent.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <NazaraEditor/Core/Core.hpp>
+
+#include <Nazara/Platform/WindowEventHandler.hpp>
+
+namespace Nz
+{
+	class NodeComponent;
+	class WindowEventHandler;
+
+	class NAZARAEDITOR_CORE_API EditorCameraComponent
+	{
+	public:
+		EditorCameraComponent();
+		EditorCameraComponent(const EditorCameraComponent&) = delete;
+
+		EditorCameraComponent(EditorCameraComponent&&);
+		~EditorCameraComponent();
+
+		void Update(Time elapsedTime, NodeComponent& node);
+
+		inline void SetPosition(const Nz::Vector3f& position) { m_targetPosition = position; }
+		inline void SetRotation(const Nz::Quaternionf& rotation) { m_targetAngles = rotation.ToEulerAngles(); }
+
+		inline const Nz::Vector3f& GetPosition() const { return m_targetPosition; }
+		inline const Nz::EulerAnglesf& GetOrientation() const { return m_targetAngles; }
+
+	private:
+		NazaraSlot(Nz::WindowEventHandler, OnMouseMoved, m_onMouseMoved);
+
+		Nz::EulerAnglesf m_targetAngles;
+		Nz::Vector3f m_targetPosition;
+		Nz::Vector3f m_currentVelocity;
+
+		float m_moveSpeed;
+		float m_smoothSpeed;
+	};
+}

include/NazaraEditor/Core/Systems/CameraSystem.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <NazaraEditor/Core/Core.hpp>
+
+#include <entt/entt.hpp>
+#include <unordered_set>
+
+namespace Nz
+{
+	class NAZARAEDITOR_CORE_API EditorCameraSystem
+	{
+	public:
+		static constexpr bool AllowConcurrent = false;
+		static constexpr Int64 ExecutionOrder = 1'001;
+
+		EditorCameraSystem(entt::registry& registry);
+		~EditorCameraSystem();
+
+		EditorCameraSystem(const EditorCameraSystem&) = delete;
+		EditorCameraSystem& operator=(const EditorCameraSystem&) = delete;
+		
+		EditorCameraSystem(EditorCameraSystem&&) = delete;
+		EditorCameraSystem& operator=(EditorCameraSystem&&) = delete;
+
+		void Update(Time elapsedTime);
+
+	private:
+		void OnCameraDestroy(entt::registry& registry, entt::entity entity);
+
+		entt::registry& m_registry;
+
+		entt::observer m_cameraConstructObserver;
+		entt::scoped_connection m_cameraDestroyConnection;
+
+		std::unordered_set<entt::entity> m_cameraEntities;
+	};
+}