Integrating github/staging through commit b0dd7ed

Code/Sandbox/Editor/ModernViewportCameraController.h

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+/*
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
+
+#pragma once
+
+#include <AzFramework/Viewport/CameraInput.h>
+#include <AzFramework/Viewport/MultiViewportController.h>
+
+namespace SandboxEditor
+{
+    class ModernViewportCameraControllerInstance final : public AzFramework::MultiViewportControllerInstanceInterface
+    {
+    public:
+        explicit ModernViewportCameraControllerInstance(AzFramework::ViewportId viewportId);
+
+        // MultiViewportControllerInstanceInterface overrides ...
+        bool HandleInputChannelEvent(const AzFramework::ViewportControllerInputEvent& event) override;
+        void UpdateViewport(const AzFramework::ViewportControllerUpdateEvent& event) override;
+
+    private:
+        AzFramework::Camera m_camera;
+        AzFramework::Camera m_targetCamera;
+        AzFramework::SmoothProps m_smoothProps;
+        AzFramework::CameraSystem m_cameraSystem;
+    };
+
+    using ModernViewportCameraController = AzFramework::MultiViewportController<ModernViewportCameraControllerInstance>;
+} // namespace SandboxEditor