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#pragma once
#ifndef QT3DS_RENDER_SUBPRESENTATION_H
#define QT3DS_RENDER_SUBPRESENTATION_H

#include "Qt3DSOffscreenRenderManager.h"
#include "Qt3DSRenderSubPresentationHelper.h"
#include "Qt3DSRenderPresentation.h"
#include "foundation/Qt3DSSimpleTypes.h"
#include "foundation/Qt3DSRefCounted.h"
#include "foundation/Qt3DSAtomic.h"
#include "foundation/StringTable.h"
#include "render/Qt3DSRenderBaseTypes.h"

namespace qt3ds {
namespace render {

    class CSubPresentationRenderer;

    struct CSubPresentationPickQuery : public IGraphObjectPickQuery
    {
        CSubPresentationRenderer &m_Renderer;

        CSubPresentationPickQuery(CSubPresentationRenderer &renderer)
            : m_Renderer(renderer)
        {
        }
        Qt3DSRenderPickResult Pick(const QT3DSVec2 &inMouseCoords,
                                          const QT3DSVec2 &inViewportDimensions,
                                          bool inPickEverything) override;
    };

    class CSubPresentationRenderer : public IOffscreenRenderer
    {
    public:
        IQt3DSRenderContext &m_RenderContext;
        SPresentation &m_Presentation;
        volatile QT3DSI32 mRefCount;
        SOffscreenRendererEnvironment m_LastRenderedEnvironment;
        CSubPresentationPickQuery m_PickQuery;
        CRegisteredString m_OffscreenRendererType;

        CSubPresentationRenderer(IQt3DSRenderContext &inRenderContext, SPresentation &inPresentation);

        QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_RenderContext.GetAllocator())

        SOffscreenRendererEnvironment GetDesiredEnvironment(QT3DSVec2 inPresScale) override;
        virtual SOffscreenRenderFlags
        NeedsRender(const SOffscreenRendererEnvironment &inEnvironment, QT3DSVec2 inPresScale,
                    const SRenderInstanceId instanceId) override;
        void Render(const SOffscreenRendererEnvironment &inEnvironment,
                    NVRenderContext & /*inRenderContext*/,
                    QT3DSVec2 inPresScale, SScene::RenderClearCommand inClearBuffer,
                    const SRenderInstanceId instanceId) override;
        void RenderWithClear(const SOffscreenRendererEnvironment &inEnvironment,
                             NVRenderContext &inRenderContext,
                             QT3DSVec2 inPresScale, SScene::RenderClearCommand inClearBuffer,
                             QT3DSVec4 inClearColor,
                             const SRenderInstanceId instanceId) override;
        IGraphObjectPickQuery *GetGraphObjectPickQuery(const SRenderInstanceId) override { return &m_PickQuery; }
        bool Pick(const QT3DSVec2 & /*inMouseCoords*/, const QT3DSVec2 & /*inViewportDimensions*/,
                  const SRenderInstanceId) override
        {
            return false;
        }
        void addCallback(IOffscreenRendererCallback *cb) override
        {

        }
        // Used for RTTI purposes so we can safely static-cast an offscreen renderer to a
        // CSubPresentationRenderer
        static const char *GetRendererName() { return "SubPresentation"; }
        CRegisteredString GetOffscreenRendererType() override { return m_OffscreenRendererType; }

        Qt3DSRenderPickResult DoGraphQueryPick(const QT3DSVec2 &inMouseCoords,
                                              const QT3DSVec2 &inViewportDimensions,
                                              bool inPickEverything);
    };
}
}

#endif