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o3de/Code/Tools/SceneAPI/SceneBuilder/Importers/AssImpTransformImporter.cpp

119 lines
5.3 KiB
C++

/*
* 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
*
*/
#include <SceneAPI/SceneBuilder/Importers/AssImpTransformImporter.h>
#include <AzCore/std/smart_ptr/make_shared.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <AzToolsFramework/Debug/TraceContext.h>
#include <SceneAPI/SceneBuilder/SceneSystem.h>
#include <SceneAPI/SceneBuilder/Importers/ImporterUtilities.h>
#include <SceneAPI/SceneBuilder/Importers/Utilities/RenamedNodesMap.h>
#include <SceneAPI/SceneCore/Utilities/Reporting.h>
#include <SceneAPI/SceneData/GraphData/TransformData.h>
#include <SceneAPI/SDKWrapper/AssImpTypeConverter.h>
#include <SceneAPI/SDKWrapper/AssImpNodeWrapper.h>
#include <SceneAPI/SDKWrapper/AssImpSceneWrapper.h>
#include <assimp/scene.h>
#include <SceneAPI/SceneBuilder/Importers/AssImpImporterUtilities.h>
namespace AZ
{
namespace SceneAPI
{
namespace SceneBuilder
{
const char* AssImpTransformImporter::s_transformNodeName = "transform";
AssImpTransformImporter::AssImpTransformImporter()
{
BindToCall(&AssImpTransformImporter::ImportTransform);
}
void AssImpTransformImporter::Reflect(ReflectContext* context)
{
SerializeContext* serializeContext = azrtti_cast<SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<AssImpTransformImporter, SceneCore::LoadingComponent>()->Version(1);
}
}
Events::ProcessingResult AssImpTransformImporter::ImportTransform(AssImpSceneNodeAppendedContext& context)
{
AZ_TraceContext("Importer", "transform");
const aiNode* currentNode = context.m_sourceNode.GetAssImpNode();
const aiScene* scene = context.m_sourceScene.GetAssImpScene();
if (currentNode == scene->mRootNode || IsPivotNode(currentNode->mName))
{
return Events::ProcessingResult::Ignored;
}
DataTypes::MatrixType localTransform = GetLocalSpaceBindPoseTransform(scene, currentNode);
// Don't bother adding a node with the identity matrix
if (localTransform == DataTypes::MatrixType::Identity())
{
return Events::ProcessingResult::Ignored;
}
context.m_sourceSceneSystem.SwapTransformForUpAxis(localTransform);
context.m_sourceSceneSystem.ConvertUnit(localTransform);
AZStd::shared_ptr<SceneData::GraphData::TransformData> transformData =
AZStd::make_shared<SceneData::GraphData::TransformData>(localTransform);
AZ_Error(SceneAPI::Utilities::ErrorWindow, transformData, "Failed to allocate transform data.");
if (!transformData)
{
return Events::ProcessingResult::Failure;
}
// If it is non-endpoint data populated node, add a transform attribute
if (context.m_scene.GetGraph().HasNodeContent(context.m_currentGraphPosition))
{
if (!context.m_scene.GetGraph().IsNodeEndPoint(context.m_currentGraphPosition))
{
AZStd::string nodeName = s_transformNodeName;
RenamedNodesMap::SanitizeNodeName(nodeName, context.m_scene.GetGraph(), context.m_currentGraphPosition);
AZ_TraceContext("Transform node name", nodeName);
Containers::SceneGraph::NodeIndex newIndex =
context.m_scene.GetGraph().AddChild(context.m_currentGraphPosition, nodeName.c_str());
AZ_Error(SceneAPI::Utilities::ErrorWindow, newIndex.IsValid(), "Failed to create SceneGraph node for attribute.");
if (!newIndex.IsValid())
{
return Events::ProcessingResult::Failure;
}
Events::ProcessingResult transformAttributeResult;
AssImpSceneAttributeDataPopulatedContext dataPopulated(context, transformData, newIndex, nodeName);
transformAttributeResult = Events::Process(dataPopulated);
if (transformAttributeResult != Events::ProcessingResult::Failure)
{
transformAttributeResult = AddAttributeDataNodeWithContexts(dataPopulated);
}
return transformAttributeResult;
}
}
else
{
bool addedData = context.m_scene.GetGraph().SetContent(context.m_currentGraphPosition, transformData);
AZ_Error(SceneAPI::Utilities::ErrorWindow, addedData, "Failed to add node data");
return addedData ? Events::ProcessingResult::Success : Events::ProcessingResult::Failure;
}
return Events::ProcessingResult::Ignored;
}
} // namespace SceneBuilder
} // namespace SceneAPI
} // namespace AZ