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75 lines
3.2 KiB
C++
75 lines
3.2 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include <AzCore/Debug/Trace.h>
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#include <AzToolsFramework/Debug/TraceContext.h>
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#include <SceneAPI/SceneCore/Utilities/Reporting.h>
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namespace AZ
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{
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namespace FbxSDKWrapper
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{
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template <typename ValueType, typename ElementArrayType>
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void FbxLayerElementUtilities::GetGeometryElement( ValueType& value, const ElementArrayType* elementArray,
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int polygonIndex, int polygonVertexIndex, int controlPointIndex)
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{
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if (!elementArray)
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{
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AZ_TracePrintf(SceneAPI::Utilities::ErrorWindow, "Invalid ElementArrayType input");
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return;
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}
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int fbxElementIndex;
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switch (elementArray->GetMappingMode())
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{
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case FbxGeometryElement::eByControlPoint:
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// One mapping coordinate for each surface control point/vertex.
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fbxElementIndex = controlPointIndex;
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break;
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case FbxGeometryElement::eByPolygonVertex:
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// One mapping coordinate for each vertex, for every polygon of which it is a part.
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// This means that a vertex will have as many mapping coordinates as polygons of which it is a part.
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fbxElementIndex = polygonVertexIndex;
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break;
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case FbxGeometryElement::eByPolygon:
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// One mapping coordinate for the whole polygon.
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fbxElementIndex = polygonIndex;
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break;
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default:
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AZ_TraceContext("Unknown value", elementArray->GetMappingMode());
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AZ_TracePrintf(AZ::SceneAPI::Utilities::ErrorWindow, "Invalid ElementArrayType mapping mode");
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return;
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}
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if (elementArray->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
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{
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// Convert index from "index of value's index" to "index of value".
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const FbxLayerElementArrayTemplate<int>& indices = elementArray->GetIndexArray();
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AZ_Assert(fbxElementIndex < indices.GetCount(), "Invalid element index %d", fbxElementIndex);
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if (fbxElementIndex >= indices.GetCount())
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{
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return;
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}
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fbxElementIndex = indices.GetAt(fbxElementIndex);
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}
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const FbxLayerElementArrayTemplate<ValueType>& elements = elementArray->GetDirectArray();
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AZ_Assert(fbxElementIndex < elements.GetCount(), "Invalid element index %d", fbxElementIndex);
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if (fbxElementIndex >= elements.GetCount())
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{
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return;
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}
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value = elements.GetAt(fbxElementIndex);
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}
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} // namespace FbxSDKWrapper
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} // namespace AZ
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