XRCameraView.h

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/*--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
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 |   \ |  | | |  \ \ | |___  \ \ / /  |  |__)  |
 |  . \|  | | |__/ / | |___   \ V /   |   _   /
 |  |\    |_|_____/__|_____|___\_/____|  | \  \
 |__| \__________________________________|  \__\
 
Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants
Licensee a limited, non-exclusive, non-transferable, royalty-free license
(without the right to sublicense) to use the API solely for the purpose of
Licensee's internal development efforts to develop applications for which
the API was provided.
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
 
Library: Widgets
File: PhysicalCameraView
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include "DLLInfo.h"
#include "XRInterface/Headers/XRInstance.h"
#include "XRInterface/Headers/XRErrorHandling.h"
#include "XRInterface/Headers/XRVulkanPipeline.h"
#include "VulkanGraphics/Headers/VulkanRenderPipeline.h"
#include "VulkanGraphics/Headers/VulkanSession.h"
#include "NDEVRGraphics/Headers/GraphicsUpdater.h"
#include "NDEVRGraphics/Headers/Renderer.h"
#include "NDEVR/Headers/QTModelManager.h"
//#include "Widgets/Headers/PhysicalCameraView.h"
#include "Design/Headers/Camera.h"
#include "Design/Headers/WindowInstance.h"
#include "Base/Headers/Pointer.hpp"
#include "Base/Headers/File.h"
#include "Base/Headers/BasicThread.h"
#include "Base/Headers/Translator.h"
#include <QObject>
namespace NDEVR
{
    /**--------------------------------------------------------------------------------------------------
    \brief A matrix-like class storing both offset and orientation
    **/
    class XRPose
    {
    public:
        static XrPosef Identity() {
            XrPosef t{};
            t.orientation.w = 1;
            return t;
        }
 
        static XrPosef Translation(const XrVector3f& translation) {
            XrPosef t = Identity();
            t.position = translation;
            return t;
        }
 
        static XrPosef RotateCCWAboutYAxis(float radians, XrVector3f translation) {
            XrPosef t = Identity();
            t.orientation.x = 0.f;
            t.orientation.y = std::sin(radians * 0.5f);
            t.orientation.z = 0.f;
            t.orientation.w = std::cos(radians * 0.5f);
            t.position = translation;
            return t;
        }
    };
    /**--------------------------------------------------------------------------------------------------
    \brief OpenXR uses two viewports, one for the left eye and one for the right eye.
    **/
    class XRSide {
    public:
        static constexpr const uint01 LEFT = 0;
        static constexpr const uint01 RIGHT = 1;
        static constexpr const uint01 COUNT = 2;
    };
    class Button;
    class VlcWindow;
    class Log;
    class BasicThread;
    /**--------------------------------------------------------------------------------------------------
    \brief A view that allows interfacing with OpenXR for Augmented and virtual reality.
    **/
    class XR_INTERFACE_API XRCameraView : public QObject, public WindowInstance
    {
        Q_OBJECT
    public:
        XRCameraView(const DynamicPointer<Camera>& camera, const DynamicPointer<Camera>& reference_camera, QTModelManager* manager);
        void setup(const DynamicPointer<VulkanXRDevice>& device, XrSession session, const XrViewConfigurationView& config_view);
        void updateCamera(const XrCompositionLayerProjectionView& layerView);
        void render();
        const Vertex<3, fltp08>& initialOffset() { return m_initial_offset; };
        void setInitialOffset(const Vertex<3, fltp08>& offset) { m_initial_offset = offset; }
        XrInstance xrInstance() const { return m_device->xrInstance(); }
        XrSystemId xrSystemID() const { return m_device->xrSystemID(); }
        XrSwapchain xrSwapChain() { return m_pipeline->xrSwapChain(); }
        void setEyePosition(LineSegment<3, fltp08>& eyes, uint01 node);
        
        void init();
        void setCurrentBlendMode(XrEnvironmentBlendMode blend_mode) { m_pipeline->setCurrentBlendMode(blend_mode); }
        virtual void* getSurface() override { return vk_null; }
        XrSession xrSession() const { return m_pipeline->xrSession(); }
        virtual XrStructureType GetGraphicsBindingType() const { return XR_TYPE_GRAPHICS_BINDING_VULKAN2_KHR; }
        virtual XrStructureType GetSwapchainImageType() const { return XR_TYPE_SWAPCHAIN_IMAGE_VULKAN2_KHR; }
    protected slots:
        void addSceneObject(UUID camera_id, UUID model);
        void addScene(Buffer<UUID> scenes);
        void addModel(Buffer<UUID> models);
    protected:
        Vertex<3, fltp08> m_initial_offset = Constant<Vertex<3, fltp08>>::Invalid;
        DynamicPointer<XRVulkanPipeline> m_pipeline;
        DynamicPointer<Camera> m_reference_camera;
        DynamicPointer<Camera> m_camera;
        QTModelManager* m_manager;
        XrSession m_session;
        XrViewConfigurationView m_config_view;
        DynamicPointer<Renderer> m_renderer;
        DynamicPointer<VulkanXRDevice> m_device;
    };
}