ResInsight/ApplicationCode/Commands/HoloLensCommands/VdeFileExporter.cpp

349 lines
12 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2018 Statoil ASA
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "VdeFileExporter.h"
#include "VdeArrayDataPacket.h"
#include "RicHoloLensExportImpl.h"
#include "RifJsonEncodeDecode.h"
#include "RiaLogging.h"
#include "cvfPart.h"
#include "cvfScene.h"
#include "cvfDrawableGeo.h"
#include "cvfPrimitiveSet.h"
#include "cvfTransform.h"
#include "cvfRenderStateTextureBindings.h"
#include "cvfTexture.h"
#include "cvfEffect.h"
#include "cvfTrace.h"
#include <QString>
#include <QDir>
#include <QFile>
//==================================================================================================
//
//
//
//==================================================================================================
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
VdeFileExporter::VdeFileExporter(QString absOutputFolder)
: m_absOutputFolder(absOutputFolder)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool VdeFileExporter::exportViewContents(const RimGridView& view)
{
std::vector<VdeExportPart> exportPartsArr = RicHoloLensExportImpl::partsForExport(view);
std::vector<VdeMesh> meshArr;
for (const auto& exportPart : exportPartsArr)
{
VdeMesh mesh;
if (extractMeshFromExportPart(exportPart, &mesh))
{
meshArr.push_back(mesh);
}
}
std::vector<VdeMeshArrayIds> meshArrayIdsArr;
const size_t meshCount = meshArr.size();
cvf::Trace::show("Exporting %d meshes", meshCount);
size_t totNumPrimitives = 0;
int nextArrayId = 0;
for (size_t i = 0; i < meshCount; i++)
{
const VdeMesh& mesh = meshArr[i];
const size_t primCount = mesh.connArr.size()/mesh.verticesPerPrimitive;
totNumPrimitives += primCount;
cvf::Trace::show(" %2d: primCount=%d meshSourceObjName='%s'", i, primCount, mesh.meshSourceObjName.toLatin1().constData());
VdeMeshArrayIds meshArrayIds;
{
meshArrayIds.vertexArrId = nextArrayId++;
const float* floatArr = reinterpret_cast<const float*>(mesh.vertexArr->ptr());
VdeArrayDataPacket dataPacket = VdeArrayDataPacket::fromFloat32Arr(meshArrayIds.vertexArrId, floatArr, 3*mesh.vertexArr->size());
writeDataPacketToFile(dataPacket.arrayId(), dataPacket);
// Debug testing of decoding
//debugComparePackets(dataPacket, VdeArrayDataPacket::fromRawPacketBuffer(dataPacket.fullPacketRawPtr(), dataPacket.fullPacketSize(), nullptr));
}
{
meshArrayIds.connArrId = nextArrayId++;
const unsigned int* uintArr = mesh.connArr.data();
VdeArrayDataPacket dataPacket = VdeArrayDataPacket::fromUint32Arr(meshArrayIds.connArrId, uintArr, mesh.connArr.size());
writeDataPacketToFile(dataPacket.arrayId(), dataPacket);
// Debug testing of decoding
//debugComparePackets(dataPacket, VdeArrayDataPacket::fromRawPacketBuffer(dataPacket.fullPacketRawPtr(), dataPacket.fullPacketSize(), nullptr));
}
if (mesh.texCoordArr.notNull() && mesh.texImage.notNull())
{
{
meshArrayIds.texCoordsArrId = nextArrayId++;
const float* floatArr = reinterpret_cast<const float*>(mesh.texCoordArr->ptr());
VdeArrayDataPacket dataPacket = VdeArrayDataPacket::fromFloat32Arr(meshArrayIds.texCoordsArrId, floatArr, 3*mesh.vertexArr->size());
writeDataPacketToFile(dataPacket.arrayId(), dataPacket);
// Debug testing of decoding
//debugComparePackets(dataPacket, VdeArrayDataPacket::fromRawPacketBuffer(dataPacket.fullPacketRawPtr(), dataPacket.fullPacketSize(), nullptr));
}
{
meshArrayIds.texImageArrId = nextArrayId++;
cvf::ref<cvf::UByteArray> byteArr = mesh.texImage->toRgb();
VdeArrayDataPacket dataPacket = VdeArrayDataPacket::fromUint8ImageRGBArr(meshArrayIds.texImageArrId, mesh.texImage->width(), mesh.texImage->height(), byteArr->ptr(), byteArr->size());
writeDataPacketToFile(dataPacket.arrayId(), dataPacket);
// Debug testing of decoding
//debugComparePackets(dataPacket, VdeArrayDataPacket::fromRawPacketBuffer(dataPacket.fullPacketRawPtr(), dataPacket.fullPacketSize(), nullptr));
}
}
meshArrayIdsArr.push_back(meshArrayIds);
}
QString jsonFileName = m_absOutputFolder + "/modelMeta.json";
if (!writeModelMetaJsonFile(meshArr, meshArrayIdsArr, jsonFileName))
{
return false;
}
cvf::Trace::show("Total number of primitives exported: %d", totNumPrimitives);
return true;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool VdeFileExporter::extractMeshFromExportPart(const VdeExportPart& exportPart, VdeMesh* mesh)
{
const cvf::Part* cvfPart = exportPart.part();
const cvf::DrawableGeo* geo = dynamic_cast<const cvf::DrawableGeo*>(cvfPart ? cvfPart->drawable() : nullptr);
if (!geo)
{
return false;
}
if (geo->primitiveSetCount() != 1)
{
RiaLogging::debug("Only geometries with exactly one primitive set is supported");
return false;
}
const cvf::Vec3fArray* vertexArr = geo->vertexArray();
const cvf::PrimitiveSet* primSet = geo->primitiveSet(0);
if (!vertexArr || !primSet || primSet->faceCount() == 0)
{
return false;
}
// Support 2 or 3 vertices per primitive
const cvf::PrimitiveType primType = primSet->primitiveType();
if (primType != cvf::PT_TRIANGLES && primType != cvf::PT_LINES)
{
RiaLogging::debug(QString("Currently only triangle and line primitive sets are supported (saw primitive type: %1)").arg(primType));
return false;
}
const int vertsPerPrimitive = (primType == cvf::PT_TRIANGLES) ? 3 : 2;
mesh->verticesPerPrimitive = vertsPerPrimitive;
// Possibly transform the vertices
if (cvfPart->transform())
{
const size_t vertexCount = vertexArr->size();
cvf::ref<cvf::Vec3fArray> transVertexArr = new cvf::Vec3fArray(vertexArr->size());
cvf::Mat4f m = cvf::Mat4f(cvfPart->transform()->worldTransform());
for (size_t i = 0; i < vertexCount; i++)
{
transVertexArr->set(i, vertexArr->get(i).getTransformedPoint(m));
}
mesh->vertexArr = transVertexArr.p();
}
else
{
mesh->vertexArr = vertexArr;
}
// Fetch connectivities
// Using getFaceIndices() allows us to access strips and fans in the same way as triangles
// Note that HoloLens visualization wants triangles in clockwise order so we try and fix the winding
// This point might be moot if the HoloLens visualization always has to use two-sideded lighting to get good results
cvf::UIntArray faceConn;
const size_t faceCount = primSet->faceCount();
for (size_t iface = 0; iface < faceCount; iface++)
{
primSet->getFaceIndices(iface, &faceConn);
if (vertsPerPrimitive == 3 && exportPart.winding() == VdeExportPart::COUNTERCLOCKWISE)
{
// Reverse the winding
const size_t numConn = faceConn.size();
for (size_t i = 0; i < numConn; i++)
{
mesh->connArr.push_back(faceConn[numConn - i - 1]);
}
}
else
{
mesh->connArr.insert(mesh->connArr.end(), faceConn.begin(), faceConn.end());
}
}
if (exportPart.textureImage() && geo->textureCoordArray())
{
mesh->texCoordArr = geo->textureCoordArray();
mesh->texImage = exportPart.textureImage();
}
QString srcObjType = "unknown";
if (exportPart.sourceObjectType() == VdeExportPart::OBJ_TYPE_GRID) srcObjType = "grid";
else if (exportPart.sourceObjectType() == VdeExportPart::OBJ_TYPE_PIPE) srcObjType = "pipe";
mesh->meshSourceObjTypeStr = srcObjType;
mesh->meshSourceObjName = exportPart.sourceObjectName();
mesh->color = exportPart.color();
mesh->opacity = exportPart.opacity();
return true;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool VdeFileExporter::writeDataPacketToFile(int arrayId, const VdeArrayDataPacket& packet) const
{
const QString fileName = m_absOutputFolder + QString("/arrayData_%1.bin").arg(arrayId);
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
return false;
}
if (file.write(packet.fullPacketRawPtr(), packet.fullPacketSize()) == -1)
{
return false;
}
return false;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool VdeFileExporter::writeModelMetaJsonFile(const std::vector<VdeMesh>& meshArr, const std::vector<VdeMeshArrayIds>& meshContentIdsArr, QString fileName)
{
QVariantList jsonMeshMetaList;
for (size_t i = 0; i < meshArr.size(); i++)
{
const VdeMesh& mesh = meshArr[i];
const VdeMeshArrayIds& meshIds = meshContentIdsArr[i];
QMap<QString, QVariant> jsonMeshMeta;
jsonMeshMeta["meshSourceObjType"] = mesh.meshSourceObjTypeStr;
jsonMeshMeta["meshSourceObjName"] = mesh.meshSourceObjName;
jsonMeshMeta["verticesPerPrimitive"] = mesh.verticesPerPrimitive;
jsonMeshMeta["vertexArrId"] = meshIds.vertexArrId;
jsonMeshMeta["connArrId"] = meshIds.connArrId;
if (meshIds.texCoordsArrId >= 0 && meshIds.texImageArrId >= 0)
{
jsonMeshMeta["texCoordsArrId"] = meshIds.texCoordsArrId;
jsonMeshMeta["texImageArrId"] = meshIds.texImageArrId;
}
else
{
QMap<QString, QVariant> jsonColor;
jsonColor["r"] = mesh.color.r();
jsonColor["g"] = mesh.color.g();
jsonColor["b"] = mesh.color.b();
jsonMeshMeta["color"] = jsonColor;
}
jsonMeshMeta["opacity"] = mesh.opacity;
jsonMeshMetaList.push_back(jsonMeshMeta);
}
QMap<QString, QVariant> jsonModelMeta;
jsonModelMeta["modelName"] = "ResInsightExport";
jsonModelMeta["meshArr"] = jsonMeshMetaList;
ResInsightInternalJson::Json jsonCodec;
const bool prettifyJson = true;
QByteArray jsonStr = jsonCodec.encode(jsonModelMeta, prettifyJson).toLatin1();
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
return false;
}
if (file.write(jsonStr) == -1)
{
return false;
}
return true;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void VdeFileExporter::debugComparePackets(const VdeArrayDataPacket& packetA, const VdeArrayDataPacket& packetB)
{
CVF_ASSERT(packetA.elementCount() == packetB.elementCount());
CVF_ASSERT(packetA.elementSize() == packetB.elementSize());
CVF_ASSERT(packetA.elementType() == packetB.elementType());
const char* arrA = packetA.arrayData();
const char* arrB = packetB.arrayData();
for (size_t i = 0; i < packetA.elementCount(); i++)
{
CVF_ASSERT(arrA[i] == arrB[i]);
}
}