o3de/Gems/Atom/RPI/Code/Source/RPI.Builders/Model/ModelExporterComponent.h

/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#pragma once

#include <AzCore/Serialization/Utils.h>

#include <SceneAPI/SceneCore/Components/ExportingComponent.h>

namespace AZ
{
    namespace SceneAPI
    {
        namespace Events
        {
            class ExportEventContext;
        }
    }

    namespace RPI
    {
        /**
         * This is the central component that drive the process of exporting a scene to Model
         * and Material assets. It delegates asset-build duties to other components like
         * ModelAssetBuilderComponent and MaterialAssetBuilderComponent via export events.
         */
        class ModelExporterComponent : public SceneAPI::SceneCore::ExportingComponent
        {
        public:
            AZ_COMPONENT(
                ModelExporterComponent,
                "{AE42AB62-A4D6-4147-88A0-692549EE5427}",
                SceneAPI::SceneCore::ExportingComponent);
            static void Reflect(ReflectContext* context);

            ModelExporterComponent();
            ~ModelExporterComponent() override = default;

            SceneAPI::Events::ProcessingResult ExportModel(SceneAPI::Events::ExportEventContext& context) const;

        private:
            struct AssetExportContext
            {
                AssetExportContext() = default;
                AssetExportContext(
                    AZStd::string_view relativeFileName,
                    AZStd::string_view extension,
                    Uuid sourceUuid,
                    DataStream::StreamType dataStreamType);

                AZStd::string_view m_relativeFileName;
                AZStd::string_view m_extension;
                const Uuid m_sourceUuid = Uuid::CreateNull();
                const DataStream::StreamType m_dataStreamType = DataStream::ST_BINARY;
            };

            template<class T>
            bool ExportAsset(
                const Data::Asset<T>& asset,
                const AssetExportContext& assetContext,
                SceneAPI::Events::ExportEventContext& eventContext,
                const char* assetTypeDebugName) const;
        };
    } // namespace RPI
} // namespace AZ