Initial commit

Code/Tools/SceneAPI/SceneCore/Import/ManifestImportRequestHandler.cpp

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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.
+*
+*/
+
+#include <AzCore/Serialization/SerializeContext.h>
+#include <AzCore/IO/FileIO.h>
+#include <AzCore/IO/SystemFile.h>
+#include <AzCore/IO/GenericStreams.h>
+#include <AzCore/Memory/SystemAllocator.h>
+#include <AzFramework/API/ApplicationAPI.h>
+#include <AzFramework/StringFunc/StringFunc.h>
+#include <SceneAPI/SceneCore/Import/ManifestImportRequestHandler.h>
+#include <SceneAPI/SceneCore/Containers/Scene.h>
+#include <SceneAPI/SceneCore/Containers/SceneManifest.h>
+#include <SceneAPI/SceneCore/Utilities/Reporting.h>
+
+#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
+#include <AzCore/UserSettings/UserSettingsComponent.h>
+
+namespace AZ
+{
+    namespace SceneAPI
+    {
+        namespace Import
+        {
+            const char* ManifestImportRequestHandler::s_extension = ".assetinfo";
+            const char* ManifestImportRequestHandler::s_generated = ".generated"; // support for foo.fbx.assetinfo.generated
+
+            void ManifestImportRequestHandler::Activate()
+            {
+                BusConnect();
+            }
+
+            void ManifestImportRequestHandler::Deactivate()
+            {
+                BusDisconnect();
+            }
+
+            void ManifestImportRequestHandler::Reflect(ReflectContext* context)
+            {
+                SerializeContext* serializeContext = azrtti_cast<SerializeContext*>(context);
+                if (serializeContext)
+                {
+                    serializeContext->Class<ManifestImportRequestHandler, BehaviorComponent>()->Version(1);
+                }
+            }
+
+            void ManifestImportRequestHandler::GetManifestExtension(AZStd::string& result)
+            {
+                result = s_extension;
+            }
+
+            Events::LoadingResult ManifestImportRequestHandler::LoadAsset(Containers::Scene& scene, const AZStd::string& path, 
+                const Uuid& /*guid*/, RequestingApplication /*requester*/)
+            {
+                AZStd::string manifestPath = path + s_extension;
+
+                scene.SetManifestFilename(manifestPath);
+                if (!AZ::IO::FileIOBase::GetInstance()->Exists(manifestPath.c_str()))
+                {
+                    AZ::SettingsRegistryInterface::FixedValueString assetCacheRoot;
+                    AZ::SettingsRegistry::Get()->Get(assetCacheRoot, AZ::SettingsRegistryMergeUtils::FilePathKey_CacheRootFolder);
+                    if (assetCacheRoot.empty())
+                    {
+                        // If there's no cache root folder, the default settings will do.
+                        return Events::LoadingResult::Ignored;
+                    }
+
+                    // looking for filename in the pattern of sourceFileName.extension.assetinfo.generated in the cache
+                    AZStd::string filename = path;
+                    AZ::StringFunc::Path::GetFullFileName(filename.c_str(), filename);
+                    filename += s_extension;
+                    filename += s_generated;
+
+                    AZStd::string altManifestPath = path;
+                    AzFramework::ApplicationRequests::Bus::Broadcast(
+                        &AzFramework::ApplicationRequests::Bus::Events::MakePathRootRelative,
+                        altManifestPath);
+
+                    AZ::StringFunc::Path::GetFolderPath(altManifestPath.c_str(), altManifestPath);
+
+                    AZStd::string generatedAssetInfoPath;
+                    AZ::StringFunc::Path::Join(assetCacheRoot.c_str(), altManifestPath.c_str(), generatedAssetInfoPath);
+                    AZ::StringFunc::Path::ConstructFull(generatedAssetInfoPath.c_str(), filename.c_str(), generatedAssetInfoPath);
+
+                    if (!AZ::IO::FileIOBase::GetInstance()->Exists(generatedAssetInfoPath.c_str()))
+                    {
+                        // If there's no manifest file, the default settings will do.
+                        return Events::LoadingResult::Ignored;
+                    }
+                    manifestPath = generatedAssetInfoPath;
+                    scene.SetManifestFilename(AZStd::move(generatedAssetInfoPath));
+                }
+
+                return scene.GetManifest().LoadFromFile(manifestPath) ? Events::LoadingResult::ManifestLoaded : Events::LoadingResult::ManifestFailure;
+            }
+        } // namespace Import
+    } // namespace SceneAPI
+} // namespace AZ
+

Code/Tools/SceneAPI/SceneCore/Import/ManifestImportRequestHandler.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 <SceneAPI/SceneCore/Components/BehaviorComponent.h>
+#include <SceneAPI/SceneCore/Events/AssetImportRequest.h>
+
+namespace AZ
+{
+    namespace SceneAPI
+    {
+        namespace Import
+        {
+            class ManifestImportRequestHandler
+                : public SceneCore::BehaviorComponent
+                , public Events::AssetImportRequestBus::Handler
+            {
+            public:
+                AZ_COMPONENT(ManifestImportRequestHandler, "{6CF0520E-D5A9-4003-81A5-F20D62010E6F}", SceneCore::BehaviorComponent);
+
+                ~ManifestImportRequestHandler() override = default;
+
+                void Activate() override;
+                void Deactivate() override;
+                static void Reflect(ReflectContext* context);
+
+                void GetManifestExtension(AZStd::string& result) override;
+                Events::LoadingResult LoadAsset(Containers::Scene& scene, const AZStd::string& path, const Uuid& guid,
+                    RequestingApplication requester) override;
+                
+            private:
+                static const char* s_extension;
+                static const char* s_generated;
+            };
+        } // namespace Import
+    } // namespace SceneAPI
+} // namespace AZ