overte/libraries/baking/src/ModelBaker.cpp
2018-11-12 16:12:21 -08:00

626 lines
24 KiB
C++

//
// ModelBaker.cpp
// libraries/baking/src
//
// Created by Utkarsh Gautam on 9/29/17.
// Copyright 2017 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "ModelBaker.h"
#include <PathUtils.h>
#include <FBXWriter.h>
#ifdef _WIN32
#pragma warning( push )
#pragma warning( disable : 4267 )
#endif
#include <draco/mesh/triangle_soup_mesh_builder.h>
#include <draco/compression/encode.h>
#ifdef HIFI_DUMP_FBX
#include "FBXToJSON.h"
#endif
#ifdef _WIN32
#pragma warning( pop )
#endif
ModelBaker::ModelBaker(const QUrl& inputModelURL, TextureBakerThreadGetter inputTextureThreadGetter,
const QString& bakedOutputDirectory, const QString& originalOutputDirectory) :
_modelURL(inputModelURL),
_bakedOutputDir(bakedOutputDirectory),
_originalOutputDir(originalOutputDirectory),
_textureThreadGetter(inputTextureThreadGetter)
{
auto tempDir = PathUtils::generateTemporaryDir();
if (tempDir.isEmpty()) {
handleError("Failed to create a temporary directory.");
return;
}
_modelTempDir = tempDir;
_originalModelFilePath = _modelTempDir.filePath(_modelURL.fileName());
qDebug() << "Made temporary dir " << _modelTempDir;
qDebug() << "Origin file path: " << _originalModelFilePath;
}
ModelBaker::~ModelBaker() {
if (_modelTempDir.exists()) {
if (!_modelTempDir.remove(_originalModelFilePath)) {
qCWarning(model_baking) << "Failed to remove temporary copy of fbx file:" << _originalModelFilePath;
}
if (!_modelTempDir.rmdir(".")) {
qCWarning(model_baking) << "Failed to remove temporary directory:" << _modelTempDir;
}
}
}
void ModelBaker::abort() {
Baker::abort();
// tell our underlying TextureBaker instances to abort
// the ModelBaker will wait until all are aborted before emitting its own abort signal
for (auto& textureBaker : _bakingTextures) {
textureBaker->abort();
}
}
bool ModelBaker::compressMesh(HFMMesh& mesh, bool hasDeformers, FBXNode& dracoMeshNode, GetMaterialIDCallback materialIDCallback) {
if (mesh.wasCompressed) {
handleError("Cannot re-bake a file that contains compressed mesh");
return false;
}
Q_ASSERT(mesh.normals.size() == 0 || mesh.normals.size() == mesh.vertices.size());
Q_ASSERT(mesh.colors.size() == 0 || mesh.colors.size() == mesh.vertices.size());
Q_ASSERT(mesh.texCoords.size() == 0 || mesh.texCoords.size() == mesh.vertices.size());
int64_t numTriangles{ 0 };
for (auto& part : mesh.parts) {
if ((part.quadTrianglesIndices.size() % 3) != 0 || (part.triangleIndices.size() % 3) != 0) {
handleWarning("Found a mesh part with invalid index data, skipping");
continue;
}
numTriangles += part.quadTrianglesIndices.size() / 3;
numTriangles += part.triangleIndices.size() / 3;
}
if (numTriangles == 0) {
return false;
}
draco::TriangleSoupMeshBuilder meshBuilder;
meshBuilder.Start(numTriangles);
bool hasNormals{ mesh.normals.size() > 0 };
bool hasColors{ mesh.colors.size() > 0 };
bool hasTexCoords{ mesh.texCoords.size() > 0 };
bool hasTexCoords1{ mesh.texCoords1.size() > 0 };
bool hasPerFaceMaterials = (materialIDCallback) ? (mesh.parts.size() > 1 || materialIDCallback(0) != 0 ) : true;
bool needsOriginalIndices{ hasDeformers };
int normalsAttributeID { -1 };
int colorsAttributeID { -1 };
int texCoordsAttributeID { -1 };
int texCoords1AttributeID { -1 };
int faceMaterialAttributeID { -1 };
int originalIndexAttributeID { -1 };
const int positionAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::POSITION,
3, draco::DT_FLOAT32);
if (needsOriginalIndices) {
originalIndexAttributeID = meshBuilder.AddAttribute(
(draco::GeometryAttribute::Type)DRACO_ATTRIBUTE_ORIGINAL_INDEX,
1, draco::DT_INT32);
}
if (hasNormals) {
normalsAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::NORMAL,
3, draco::DT_FLOAT32);
}
if (hasColors) {
colorsAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::COLOR,
3, draco::DT_FLOAT32);
}
if (hasTexCoords) {
texCoordsAttributeID = meshBuilder.AddAttribute(draco::GeometryAttribute::TEX_COORD,
2, draco::DT_FLOAT32);
}
if (hasTexCoords1) {
texCoords1AttributeID = meshBuilder.AddAttribute(
(draco::GeometryAttribute::Type)DRACO_ATTRIBUTE_TEX_COORD_1,
2, draco::DT_FLOAT32);
}
if (hasPerFaceMaterials) {
faceMaterialAttributeID = meshBuilder.AddAttribute(
(draco::GeometryAttribute::Type)DRACO_ATTRIBUTE_MATERIAL_ID,
1, draco::DT_UINT16);
}
auto partIndex = 0;
draco::FaceIndex face;
uint16_t materialID;
for (auto& part : mesh.parts) {
materialID = (materialIDCallback) ? materialIDCallback(partIndex) : partIndex;
auto addFace = [&](QVector<int>& indices, int index, draco::FaceIndex face) {
int32_t idx0 = indices[index];
int32_t idx1 = indices[index + 1];
int32_t idx2 = indices[index + 2];
if (hasPerFaceMaterials) {
meshBuilder.SetPerFaceAttributeValueForFace(faceMaterialAttributeID, face, &materialID);
}
meshBuilder.SetAttributeValuesForFace(positionAttributeID, face,
&mesh.vertices[idx0], &mesh.vertices[idx1],
&mesh.vertices[idx2]);
if (needsOriginalIndices) {
meshBuilder.SetAttributeValuesForFace(originalIndexAttributeID, face,
&mesh.originalIndices[idx0],
&mesh.originalIndices[idx1],
&mesh.originalIndices[idx2]);
}
if (hasNormals) {
meshBuilder.SetAttributeValuesForFace(normalsAttributeID, face,
&mesh.normals[idx0], &mesh.normals[idx1],
&mesh.normals[idx2]);
}
if (hasColors) {
meshBuilder.SetAttributeValuesForFace(colorsAttributeID, face,
&mesh.colors[idx0], &mesh.colors[idx1],
&mesh.colors[idx2]);
}
if (hasTexCoords) {
meshBuilder.SetAttributeValuesForFace(texCoordsAttributeID, face,
&mesh.texCoords[idx0], &mesh.texCoords[idx1],
&mesh.texCoords[idx2]);
}
if (hasTexCoords1) {
meshBuilder.SetAttributeValuesForFace(texCoords1AttributeID, face,
&mesh.texCoords1[idx0], &mesh.texCoords1[idx1],
&mesh.texCoords1[idx2]);
}
};
for (int i = 0; (i + 2) < part.quadTrianglesIndices.size(); i += 3) {
addFace(part.quadTrianglesIndices, i, face++);
}
for (int i = 0; (i + 2) < part.triangleIndices.size(); i += 3) {
addFace(part.triangleIndices, i, face++);
}
partIndex++;
}
auto dracoMesh = meshBuilder.Finalize();
if (!dracoMesh) {
handleWarning("Failed to finalize the baking of a draco Geometry node");
return false;
}
// we need to modify unique attribute IDs for custom attributes
// so the attributes are easily retrievable on the other side
if (hasPerFaceMaterials) {
dracoMesh->attribute(faceMaterialAttributeID)->set_unique_id(DRACO_ATTRIBUTE_MATERIAL_ID);
}
if (hasTexCoords1) {
dracoMesh->attribute(texCoords1AttributeID)->set_unique_id(DRACO_ATTRIBUTE_TEX_COORD_1);
}
if (needsOriginalIndices) {
dracoMesh->attribute(originalIndexAttributeID)->set_unique_id(DRACO_ATTRIBUTE_ORIGINAL_INDEX);
}
draco::Encoder encoder;
encoder.SetAttributeQuantization(draco::GeometryAttribute::POSITION, 14);
encoder.SetAttributeQuantization(draco::GeometryAttribute::TEX_COORD, 12);
encoder.SetAttributeQuantization(draco::GeometryAttribute::NORMAL, 10);
encoder.SetSpeedOptions(0, 5);
draco::EncoderBuffer buffer;
encoder.EncodeMeshToBuffer(*dracoMesh, &buffer);
FBXNode dracoNode;
dracoNode.name = "DracoMesh";
auto value = QVariant::fromValue(QByteArray(buffer.data(), (int)buffer.size()));
dracoNode.properties.append(value);
dracoMeshNode = dracoNode;
// Mesh compression successful return true
return true;
}
QString ModelBaker::compressTexture(QString modelTextureFileName, image::TextureUsage::Type textureType) {
QFileInfo modelTextureFileInfo { modelTextureFileName.replace("\\", "/") };
if (modelTextureFileInfo.suffix().toLower() == BAKED_TEXTURE_KTX_EXT.mid(1)) {
// re-baking a model that already references baked textures
// this is an error - return from here
handleError("Cannot re-bake a file that already references compressed textures");
return QString::null;
}
if (!image::getSupportedFormats().contains(modelTextureFileInfo.suffix())) {
// this is a texture format we don't bake, skip it
handleWarning(modelTextureFileName + " is not a bakeable texture format");
return QString::null;
}
// make sure this texture points to something and isn't one we've already re-mapped
QString textureChild { QString::null };
if (!modelTextureFileInfo.filePath().isEmpty()) {
// check if this was an embedded texture that we already have in-memory content for
QByteArray textureContent;
// figure out the URL to this texture, embedded or external
if (!modelTextureFileInfo.filePath().isEmpty()) {
textureContent = _textureContentMap.value(modelTextureFileName.toLocal8Bit());
}
auto urlToTexture = getTextureURL(modelTextureFileInfo, modelTextureFileName, !textureContent.isNull());
QString baseTextureFileName;
if (_remappedTexturePaths.contains(urlToTexture)) {
baseTextureFileName = _remappedTexturePaths[urlToTexture];
} else {
// construct the new baked texture file name and file path
// ensuring that the baked texture will have a unique name
// even if there was another texture with the same name at a different path
baseTextureFileName = createBaseTextureFileName(modelTextureFileInfo);
_remappedTexturePaths[urlToTexture] = baseTextureFileName;
}
qCDebug(model_baking).noquote() << "Re-mapping" << modelTextureFileName
<< "to" << baseTextureFileName;
QString bakedTextureFilePath {
_bakedOutputDir + "/" + baseTextureFileName + BAKED_META_TEXTURE_SUFFIX
};
textureChild = baseTextureFileName + BAKED_META_TEXTURE_SUFFIX;
if (!_bakingTextures.contains(urlToTexture)) {
_outputFiles.push_back(bakedTextureFilePath);
// bake this texture asynchronously
bakeTexture(urlToTexture, textureType, _bakedOutputDir, baseTextureFileName, textureContent);
}
}
return textureChild;
}
void ModelBaker::bakeTexture(const QUrl& textureURL, image::TextureUsage::Type textureType,
const QDir& outputDir, const QString& bakedFilename, const QByteArray& textureContent) {
// start a bake for this texture and add it to our list to keep track of
QSharedPointer<TextureBaker> bakingTexture{
new TextureBaker(textureURL, textureType, outputDir, "../", bakedFilename, textureContent),
&TextureBaker::deleteLater
};
// make sure we hear when the baking texture is done or aborted
connect(bakingTexture.data(), &Baker::finished, this, &ModelBaker::handleBakedTexture);
connect(bakingTexture.data(), &TextureBaker::aborted, this, &ModelBaker::handleAbortedTexture);
// keep a shared pointer to the baking texture
_bakingTextures.insert(textureURL, bakingTexture);
// start baking the texture on one of our available worker threads
bakingTexture->moveToThread(_textureThreadGetter());
QMetaObject::invokeMethod(bakingTexture.data(), "bake");
}
void ModelBaker::handleBakedTexture() {
TextureBaker* bakedTexture = qobject_cast<TextureBaker*>(sender());
qDebug() << "Handling baked texture" << bakedTexture->getTextureURL();
// make sure we haven't already run into errors, and that this is a valid texture
if (bakedTexture) {
if (!shouldStop()) {
if (!bakedTexture->hasErrors()) {
if (!_originalOutputDir.isEmpty()) {
// we've been asked to make copies of the originals, so we need to make copies of this if it is a linked texture
// use the path to the texture being baked to determine if this was an embedded or a linked texture
// it is embeddded if the texure being baked was inside a folder with the name of the model
// since that is the fake URL we provide when baking external textures
if (!_modelURL.isParentOf(bakedTexture->getTextureURL())) {
// for linked textures we want to save a copy of original texture beside the original model
qCDebug(model_baking) << "Saving original texture for" << bakedTexture->getTextureURL();
// check if we have a relative path to use for the texture
auto relativeTexturePath = texturePathRelativeToModel(_modelURL, bakedTexture->getTextureURL());
QFile originalTextureFile{
_originalOutputDir + "/" + relativeTexturePath + bakedTexture->getTextureURL().fileName()
};
if (relativeTexturePath.length() > 0) {
// make the folders needed by the relative path
}
if (originalTextureFile.open(QIODevice::WriteOnly) && originalTextureFile.write(bakedTexture->getOriginalTexture()) != -1) {
qCDebug(model_baking) << "Saved original texture file" << originalTextureFile.fileName()
<< "for" << _modelURL;
} else {
handleError("Could not save original external texture " + originalTextureFile.fileName()
+ " for " + _modelURL.toString());
return;
}
}
}
// now that this texture has been baked and handled, we can remove that TextureBaker from our hash
_bakingTextures.remove(bakedTexture->getTextureURL());
checkIfTexturesFinished();
} else {
// there was an error baking this texture - add it to our list of errors
_errorList.append(bakedTexture->getErrors());
// we don't emit finished yet so that the other textures can finish baking first
_pendingErrorEmission = true;
// now that this texture has been baked, even though it failed, we can remove that TextureBaker from our list
_bakingTextures.remove(bakedTexture->getTextureURL());
// abort any other ongoing texture bakes since we know we'll end up failing
for (auto& bakingTexture : _bakingTextures) {
bakingTexture->abort();
}
checkIfTexturesFinished();
}
} else {
// we have errors to attend to, so we don't do extra processing for this texture
// but we do need to remove that TextureBaker from our list
// and then check if we're done with all textures
_bakingTextures.remove(bakedTexture->getTextureURL());
checkIfTexturesFinished();
}
}
}
void ModelBaker::handleAbortedTexture() {
// grab the texture bake that was aborted and remove it from our hash since we don't need to track it anymore
TextureBaker* bakedTexture = qobject_cast<TextureBaker*>(sender());
qDebug() << "Texture aborted: " << bakedTexture->getTextureURL();
if (bakedTexture) {
_bakingTextures.remove(bakedTexture->getTextureURL());
}
// since a texture we were baking aborted, our status is also aborted
_shouldAbort.store(true);
// abort any other ongoing texture bakes since we know we'll end up failing
for (auto& bakingTexture : _bakingTextures) {
bakingTexture->abort();
}
checkIfTexturesFinished();
}
QUrl ModelBaker::getTextureURL(const QFileInfo& textureFileInfo, QString relativeFileName, bool isEmbedded) {
QUrl urlToTexture;
// use QFileInfo to easily split up the existing texture filename into its components
auto apparentRelativePath = QFileInfo(relativeFileName.replace("\\", "/"));
if (isEmbedded) {
urlToTexture = _modelURL.toString() + "/" + apparentRelativePath.filePath();
} else {
if (textureFileInfo.exists() && textureFileInfo.isFile()) {
// set the texture URL to the local texture that we have confirmed exists
urlToTexture = QUrl::fromLocalFile(textureFileInfo.absoluteFilePath());
} else {
// external texture that we'll need to download or find
// this is a relative file path which will require different handling
// depending on the location of the original model
if (_modelURL.isLocalFile() && apparentRelativePath.exists() && apparentRelativePath.isFile()) {
// the absolute path we ran into for the texture in the model exists on this machine
// so use that file
urlToTexture = QUrl::fromLocalFile(apparentRelativePath.absoluteFilePath());
} else {
// we didn't find the texture on this machine at the absolute path
// so assume that it is right beside the model to match the behaviour of interface
urlToTexture = _modelURL.resolved(apparentRelativePath.fileName());
}
}
}
return urlToTexture;
}
QString ModelBaker::texturePathRelativeToModel(QUrl modelURL, QUrl textureURL) {
auto modelPath = modelURL.toString(QUrl::RemoveFilename | QUrl::RemoveQuery | QUrl::RemoveFragment);
auto texturePath = textureURL.toString(QUrl::RemoveFilename | QUrl::RemoveQuery | QUrl::RemoveFragment);
if (texturePath.startsWith(modelPath)) {
// texture path is a child of the model path, return the texture path without the model path
return texturePath.mid(modelPath.length());
} else {
// the texture path was not a child of the model path, return the empty string
return "";
}
}
void ModelBaker::checkIfTexturesFinished() {
// check if we're done everything we need to do for this model
// and emit our finished signal if we're done
if (_bakingTextures.isEmpty()) {
if (shouldStop()) {
// if we're checking for completion but we have errors
// that means one or more of our texture baking operations failed
if (_pendingErrorEmission) {
setIsFinished(true);
}
return;
} else {
qCDebug(model_baking) << "Finished baking, emitting finished" << _modelURL;
texturesFinished();
setIsFinished(true);
}
}
}
QString ModelBaker::createBaseTextureFileName(const QFileInfo& textureFileInfo) {
// first make sure we have a unique base name for this texture
// in case another texture referenced by this model has the same base name
auto& nameMatches = _textureNameMatchCount[textureFileInfo.baseName()];
QString baseTextureFileName{ textureFileInfo.completeBaseName() };
if (nameMatches > 0) {
// there are already nameMatches texture with this name
// append - and that number to our baked texture file name so that it is unique
baseTextureFileName += "-" + QString::number(nameMatches);
}
// increment the number of name matches
++nameMatches;
return baseTextureFileName;
}
void ModelBaker::setWasAborted(bool wasAborted) {
if (wasAborted != _wasAborted.load()) {
Baker::setWasAborted(wasAborted);
if (wasAborted) {
qCDebug(model_baking) << "Aborted baking" << _modelURL;
}
}
}
void ModelBaker::texturesFinished() {
embedTextureMetaData();
exportScene();
}
void ModelBaker::embedTextureMetaData() {
std::vector<FBXNode> embeddedTextureNodes;
for (FBXNode& rootChild : _rootNode.children) {
if (rootChild.name == "Objects") {
qlonglong maxId = 0;
for (auto &child : rootChild.children) {
if (child.properties.length() == 3) {
maxId = std::max(maxId, child.properties[0].toLongLong());
}
}
for (auto& object : rootChild.children) {
if (object.name == "Texture") {
QVariant relativeFilename;
for (auto& child : object.children) {
if (child.name == "RelativeFilename") {
relativeFilename = child.properties[0];
break;
}
}
if (relativeFilename.isNull()
|| !relativeFilename.toString().endsWith(BAKED_META_TEXTURE_SUFFIX)) {
continue;
}
if (object.properties.length() < 2) {
qWarning() << "Found texture with unexpected number of properties: " << object.name;
continue;
}
FBXNode videoNode;
videoNode.name = "Video";
videoNode.properties.append(++maxId);
videoNode.properties.append(object.properties[1]);
videoNode.properties.append("Clip");
QString bakedTextureFilePath {
_bakedOutputDir + "/" + relativeFilename.toString()
};
QFile textureFile { bakedTextureFilePath };
if (!textureFile.open(QIODevice::ReadOnly)) {
qWarning() << "Failed to open: " << bakedTextureFilePath;
continue;
}
videoNode.children.append({ "RelativeFilename", { relativeFilename }, { } });
videoNode.children.append({ "Content", { textureFile.readAll() }, { } });
rootChild.children.append(videoNode);
textureFile.close();
}
}
}
}
}
void ModelBaker::exportScene() {
// save the relative path to this FBX inside our passed output folder
auto fileName = _modelURL.fileName();
auto baseName = fileName.left(fileName.lastIndexOf('.'));
auto bakedFilename = baseName + BAKED_FBX_EXTENSION;
_bakedModelFilePath = _bakedOutputDir + "/" + bakedFilename;
auto fbxData = FBXWriter::encodeFBX(_rootNode);
QFile bakedFile(_bakedModelFilePath);
if (!bakedFile.open(QIODevice::WriteOnly)) {
handleError("Error opening " + _bakedModelFilePath + " for writing");
return;
}
bakedFile.write(fbxData);
_outputFiles.push_back(_bakedModelFilePath);
#ifdef HIFI_DUMP_FBX
{
FBXToJSON fbxToJSON;
fbxToJSON << _rootNode;
QFileInfo modelFile(_bakedModelFilePath);
QString outFilename(modelFile.dir().absolutePath() + "/" + modelFile.completeBaseName() + "_FBX.json");
QFile jsonFile(outFilename);
if (jsonFile.open(QIODevice::WriteOnly)) {
jsonFile.write(fbxToJSON.str().c_str(), fbxToJSON.str().length());
jsonFile.close();
}
}
#endif
qCDebug(model_baking) << "Exported" << _modelURL << "with re-written paths to" << _bakedModelFilePath;
}