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Fix for file size limit in JSON

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Signed-off-by: chcurran <82187351+carlitosan@users.noreply.github.com>
monroegm-disable-blank-issue-2
chcurran 4 years ago
parent c8ed6d287c
commit e1e1779ec6
7 changed files with 157 additions and 27 deletions
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49
Code/Framework/AzCore/AzCore/Serialization/Json/JsonUtils.cpp
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@ -308,6 +308,55 @@ namespace AZ
return AZ::Success();
}
AZ::Outcome<void, AZStd::string> LoadObjectFromStringByType(void* objectToLoad, const Uuid& classId, AZStd::string_view stream,
const JsonDeserializerSettings* settings)
{
JsonDeserializerSettings loadSettings;
AZStd::string deserializeErrors;
auto prepare = PrepareDeserializerSettings(settings, loadSettings, deserializeErrors);
if (!prepare.IsSuccess())
{
return AZ::Failure(prepare.GetError());
}
auto parseResult = ReadJsonString(stream);
if (!parseResult.IsSuccess())
{
return AZ::Failure(parseResult.GetError());
}
const rapidjson::Document& jsonDocument = parseResult.GetValue();
auto validateResult = ValidateJsonClassHeader(jsonDocument);
if (!validateResult.IsSuccess())
{
return AZ::Failure(validateResult.GetError());
}
const char* className = jsonDocument.FindMember(ClassNameTag)->value.GetString();
// validate class name
auto classData = loadSettings.m_serializeContext->FindClassData(classId);
if (!classData)
{
return AZ::Failure(AZStd::string::format("Try to load class from Id %s", classId.ToString<AZStd::string>().c_str()));
}
if (azstricmp(classData->m_name, className) != 0)
{
return AZ::Failure(AZStd::string::format("Try to load class %s from class %s data", classData->m_name, className));
}
JsonSerializationResult::ResultCode result = JsonSerialization::Load(objectToLoad, classId, jsonDocument.FindMember(ClassDataTag)->value, loadSettings);
if (!WasLoadSuccess(result.GetOutcome()) || !deserializeErrors.empty())
{
return AZ::Failure(deserializeErrors);
}
return AZ::Success();
}
AZ::Outcome<void, AZStd::string> LoadObjectFromStreamByType(void* objectToLoad, const Uuid& classId, IO::GenericStream& stream,
const JsonDeserializerSettings* settings)
{

3
Code/Framework/AzCore/AzCore/Serialization/Json/JsonUtils.h
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@ -77,6 +77,9 @@ namespace AZ
AZ::Outcome<rapidjson::Document, AZStd::string> ReadJsonStream(IO::GenericStream& stream);
//! Load object with known class type
AZ::Outcome<void, AZStd::string> LoadObjectFromStringByType(void* objectToLoad, const Uuid& objectType, AZStd::string_view source,
const JsonDeserializerSettings* settings = nullptr);
AZ::Outcome<void, AZStd::string> LoadObjectFromStreamByType(void* objectToLoad, const Uuid& objectType, IO::GenericStream& stream,
const JsonDeserializerSettings* settings = nullptr);

96
Gems/ScriptCanvas/Code/Editor/Assets/ScriptCanvasAssetHandler.cpp
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@ -93,6 +93,49 @@ namespace ScriptCanvasEditor
}
}
AZ::Outcome<void, AZStd::string> LoadScriptCanvasDataFromJson
( ScriptCanvas::ScriptCanvasData& dataTarget
, AZStd::string_view source
, AZ::SerializeContext& serializeContext)
{
namespace JSRU = AZ::JsonSerializationUtils;
using namespace ScriptCanvas;
AZ::JsonDeserializerSettings settings;
settings.m_serializeContext = &serializeContext;
settings.m_metadata.Create<SerializationListeners>();
auto loadResult = JSRU::LoadObjectFromStringByType
( &dataTarget
, azrtti_typeid<ScriptCanvasData>()
, source
, &settings);
if (!loadResult.IsSuccess())
{
return loadResult;
}
if (auto graphData = dataTarget.ModGraph())
{
auto listeners = settings.m_metadata.Find<SerializationListeners>();
AZ_Assert(listeners, "Failed to find SerializationListeners");
ScriptCanvasAssetHandlerCpp::CollectNodes(graphData->GetGraphData()->m_nodes, *listeners);
for (auto listener : *listeners)
{
listener->OnDeserialize();
}
}
else
{
return AZ::Failure(AZStd::string("Failed to find graph data after loading source"));
}
return AZ::Success();
}
AZ::Data::AssetHandler::LoadResult ScriptCanvasAssetHandler::LoadAssetData
( const AZ::Data::Asset<AZ::Data::AssetData>& assetTarget
, AZStd::shared_ptr<AZ::Data::AssetDataStream> streamSource
@ -110,8 +153,9 @@ namespace ScriptCanvasEditor
{
streamSource->Seek(0U, AZ::IO::GenericStream::ST_SEEK_BEGIN);
auto& scriptCanvasDataTarget = scriptCanvasAssetTarget->GetScriptCanvasData();
AZStd::vector<AZ::u8> byteBuffer;
AZStd::vector<char> byteBuffer;
byteBuffer.resize_no_construct(streamSource->GetLength());
// this duplicate stream is to allow for trying again if the JSON read fails
AZ::IO::ByteContainerStream<decltype(byteBuffer)> byteStreamSource(&byteBuffer);
const size_t bytesRead = streamSource->Read(byteBuffer.size(), byteBuffer.data());
scriptCanvasDataTarget.m_scriptCanvasEntity.reset(nullptr);
@ -123,36 +167,19 @@ namespace ScriptCanvasEditor
settings.m_serializeContext = m_serializeContext;
settings.m_metadata.Create<SerializationListeners>();
// attempt JSON deserialization...
if (JSRU::LoadObjectFromStreamByType
( &scriptCanvasDataTarget
, azrtti_typeid<ScriptCanvasData>()
, byteStreamSource
, &settings).IsSuccess())
{
if (auto graphData = scriptCanvasAssetTarget->GetScriptCanvasGraph()
? scriptCanvasAssetTarget->GetScriptCanvasGraph()->GetGraphData()
: nullptr)
{
auto listeners = settings.m_metadata.Find<SerializationListeners>();
AZ_Assert(listeners, "Failed to create SerializationListeners");
ScriptCanvasAssetHandlerCpp::CollectNodes(graphData->m_nodes, *listeners);
auto jsonResult = LoadScriptCanvasDataFromJson
( scriptCanvasDataTarget
, AZStd::string_view{ byteBuffer.begin(), byteBuffer.size() }
, *m_serializeContext);
for (auto listener : *listeners)
{
listener->OnDeserialize();
}
return AZ::Data::AssetHandler::LoadResult::LoadComplete;
}
else
{
AZ_Warning("ScriptCanvas", false, "ScriptCanvasAssetHandler::LoadAssetData failed to load graph data from JOSON");
}
if (jsonResult.IsSuccess())
{
return AZ::Data::AssetHandler::LoadResult::LoadComplete;
}
#if defined(OBJECT_STREAM_EDITOR_ASSET_LOADING_SUPPORT_ENABLED)////
else
{// ...if there is a failure, check if it is saved in the old format
{
// ...if there is a failure, check if it is saved in the old format
byteStreamSource.Seek(0U, AZ::IO::GenericStream::ST_SEEK_BEGIN);
// tolerate unknown classes in the editor. Let the asset processor warn about bad nodes...
if (AZ::Utils::LoadObjectFromStreamInPlace
@ -161,9 +188,24 @@ namespace ScriptCanvasEditor
, m_serializeContext
, AZ::ObjectStream::FilterDescriptor(assetLoadFilterCB, AZ::ObjectStream::FILTERFLAG_IGNORE_UNKNOWN_CLASSES)))
{
AZ_Warning
( "ScriptCanvas"
, false
, "ScriptCanvasAssetHandler::LoadAssetData failed to load graph data from JSON, %s, consider converting to JSON"
" by opening it and saving it, or running the graph update tool from the editor0"
, jsonResult.GetError().c_str());
return AZ::Data::AssetHandler::LoadResult::LoadComplete;
}
}
#else
else
{
AZ_Warning
( "ScriptCanvas"
, false
, "ScriptCanvasAssetHandler::LoadAssetData failed to load graph data from JSON %s"
, jsonResult.GetError().c_str()");
}
#endif//defined(OBJECT_STREAM_EDITOR_ASSET_LOADING_SUPPORT_ENABLED)
}
}

5
Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Assets/ScriptCanvasAssetHandler.h
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@ -20,6 +20,11 @@ namespace AZ
namespace ScriptCanvasEditor
{
AZ::Outcome<void, AZStd::string> LoadScriptCanvasDataFromJson
( ScriptCanvas::ScriptCanvasData& dataTarget
, AZStd::string_view source
, AZ::SerializeContext& serializeContext);
/**
* Manages editor Script Canvas graph assets.
*/

25
Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Assets/ScriptCanvasBaseAssetData.cpp
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@ -0,0 +1,25 @@
/*
* 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 <ScriptCanvas/Assets/ScriptCanvasBaseAssetData.h>
#include <ScriptCanvas/Components/EditorGraph.h>
namespace ScriptCanvas
{
Graph* ScriptCanvasData::ModGraph()
{
return AZ::EntityUtils::FindFirstDerivedComponent<ScriptCanvas::Graph>(m_scriptCanvasEntity.get());
}
const Graph* ScriptCanvasData::GetGraph() const
{
return AZ::EntityUtils::FindFirstDerivedComponent<ScriptCanvas::Graph>(m_scriptCanvasEntity.get());
}
}

4
Gems/ScriptCanvas/Code/Editor/Include/ScriptCanvas/Assets/ScriptCanvasBaseAssetData.h
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@ -28,6 +28,10 @@ namespace ScriptCanvas
AZ::Entity* GetScriptCanvasEntity() const { return m_scriptCanvasEntity.get(); }
Graph* ModGraph();
const Graph* GetGraph() const;
AZStd::unique_ptr<AZ::Entity> m_scriptCanvasEntity;
private:
ScriptCanvasData(const ScriptCanvasData&) = delete;

2
Gems/ScriptCanvas/Code/scriptcanvasgem_editor_files.cmake
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@ -21,6 +21,8 @@ set(FILES
Editor/Assets/ScriptCanvasAssetHelpers.h
Editor/Assets/ScriptCanvasAssetHelpers.cpp
Editor/Assets/ScriptCanvasAssetTrackerDefinitions.h
Editor/Include/ScriptCanvas/Assets/ScriptCanvasBaseAssetData.h
Editor/Include/ScriptCanvas/Assets/ScriptCanvasBaseAssetData.cpp
Editor/Include/ScriptCanvas/Assets/ScriptCanvasAsset.h
Editor/Assets/ScriptCanvasAsset.cpp
Editor/Include/ScriptCanvas/Assets/ScriptCanvasAssetBus.h

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