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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtGui/QGuiApplication>
#include <QtCore/QCommandLineParser>
#include <QtCore/QStandardPaths>
#include <QtCore/QDir>
#include <QtCore/QVariant>
#include <QtCore/QHash>
#include <QtCore/QJsonObject>
#include <QtGui/QImageReader>
#include <QtQuick3DAssetImport/private/qssgassetimportmanager_p.h>
#include <QtQuick3DIblBaker/private/qssgiblbaker_p.h>
#include <QJsonDocument>
#include <iostream>
class OptionsManager {
public:
OptionsManager() {
}
~OptionsManager() {
qDeleteAll(m_optionsMap);
m_optionsMap.clear();
}
void generateCommandLineOptions(const QJsonObject &options)
{
if (options.isEmpty() || !options.contains(QStringLiteral("options")))
return;
QJsonObject optionsObject = options.value(QStringLiteral("options")).toObject();
for (const QString &optionsKey : optionsObject.keys()) {
QJsonObject option = optionsObject.value(optionsKey).toObject();
QString optionType = option.value(QStringLiteral("type")).toString();
QString description = option.value(QStringLiteral("description")).toString();
if (optionType == QStringLiteral("Boolean")) {
// boolean flags
m_optionsMap.insert(optionsKey, new QCommandLineOption(optionsKey, description));
const QString disableKey = QStringLiteral("disable-") + optionsKey;
m_optionsMap.insert(disableKey, new QCommandLineOption(QStringLiteral("disable-") + optionsKey));
} else {
// value types
if (optionType == QStringLiteral("Real")) {
QString defaultValue = QString::number(option.value("value").toDouble());
QCommandLineOption *valueOption = new QCommandLineOption(optionsKey, description, optionsKey, defaultValue);
m_optionsMap.insert(optionsKey, valueOption);
}
}
}
}
QJsonObject processCommandLineOptions(const QCommandLineParser &cmdLineParser, const QJsonObject &options, const QJsonObject &loadedOptions) const
{
QJsonObject result = loadedOptions;
if (options.isEmpty() || !options.contains(QStringLiteral("options")))
return result;
QJsonObject optionsObject = options.value(QStringLiteral("options")).toObject();
QJsonObject loadedOptionsObject = loadedOptions.value(QStringLiteral("options")).toObject();
for (const QString &optionsKey : optionsObject.keys()) {
QJsonObject option = optionsObject.value(optionsKey).toObject();
QString optionType = option.value(QStringLiteral("type")).toString();
if (optionType == QStringLiteral("Boolean")) {
const QString disableKey = QStringLiteral("disable-") + optionsKey;
if (m_optionsMap[optionsKey] && cmdLineParser.isSet(*m_optionsMap[optionsKey]))
option["value"] = true;
else if (m_optionsMap[disableKey] && cmdLineParser.isSet(*m_optionsMap[disableKey]))
option["value"] = false;
else if (auto loadedValue = loadedOptionsObject.value(optionsKey); !loadedValue.isUndefined())
option.insert("value", loadedValue);
} else if (optionType == QStringLiteral("Real")) {
if (cmdLineParser.isSet(optionsKey))
option["value"] = cmdLineParser.value(optionsKey).toDouble();
else if (auto loadedValue = loadedOptionsObject.value(optionsKey); !loadedValue.isUndefined())
option.insert("value", loadedValue);
}
// update values
optionsObject[optionsKey] = option;
}
removeFlagConflicts(cmdLineParser, optionsObject);
result["options"] = optionsObject;
return result;
}
void registerOptions(QCommandLineParser &parser) {
for (const auto &cmdLineOption : std::as_const(m_optionsMap))
parser.addOption(*cmdLineOption);
}
void removeFlagConflicts(const QCommandLineParser &cmdLineParser, QJsonObject &options) const
{
// "generateNormals" and "generateSmoothNormals" are mutually exclusive. "generateNormals"
// takes precedence.
QJsonObject opt;
if (cmdLineParser.isSet(*m_optionsMap[QStringLiteral("generateNormals")])) {
opt = options.value(QStringLiteral("generateSmoothNormals")).toObject();
if (opt[QStringLiteral("value")] == true) {
opt[QStringLiteral("value")] = false;
options[QStringLiteral("generateSmoothNormals")] = opt;
std::cerr << "\"--generateSmoothNormals\" disabled due to \"--generateNormals\".\n";
}
} else if (cmdLineParser.isSet(*m_optionsMap[QStringLiteral("generateSmoothNormals")])) {
opt = options.value(QStringLiteral("generateNormals")).toObject();
if (opt[QStringLiteral("value")] == true) {
opt[QStringLiteral("value")] = false;
options[QStringLiteral("generateNormals")] = opt;
std::cerr << "\"--generateNormals\" disabled due to \"--generateSmoothNormals\".\n";
}
}
// Ditto for "optimizeGraph" and "preTransformVertices".
if (cmdLineParser.isSet(*m_optionsMap[QStringLiteral("optimizeGraph")])) {
opt = options.value(QStringLiteral("preTransformVertices")).toObject();
if (opt[QStringLiteral("value")] == true) {
opt[QStringLiteral("value")] = false;
options[QStringLiteral("preTransformVertices")] = opt;
std::cerr << "\"--preTransformVertices\" disabled due to \"--optimizeGraph\".\n";
}
} else if (cmdLineParser.isSet(*m_optionsMap[QStringLiteral("preTransformVertices")])) {
opt = options.value(QStringLiteral("optimizeGraph")).toObject();
if (opt[QStringLiteral("value")] == true) {
opt[QStringLiteral("value")] = false;
options[QStringLiteral("optimizeGraph")] = opt;
std::cerr << "\"--optimizeGraph\" disabled due to \"--preTransformVertices\".\n";
}
}
}
private:
QHash<QString, QCommandLineOption *> m_optionsMap;
};
struct BuiltinConditioners
{
QSSGAssetImportManager::ImportState run(const QString &filename,
const QDir &outputPath,
QString *error);
QSSGIblBaker iblBaker;
};
QSSGAssetImportManager::ImportState BuiltinConditioners::run(const QString &filename,
const QDir &outputPath,
QString *error)
{
QFileInfo fileInfo(filename);
if (!fileInfo.exists()) {
if (error)
*error = QStringLiteral("File does not exist");
return QSSGAssetImportManager::ImportState::IoError;
}
const QString extension = fileInfo.suffix().toLower();
QStringList generatedFiles;
QSSGAssetImportManager::ImportState result = QSSGAssetImportManager::ImportState::Unsupported;
if (iblBaker.inputExtensions().contains(extension)) {
QString errorMsg = iblBaker.import(fileInfo.absoluteFilePath(), outputPath, &generatedFiles);
if (errorMsg.isEmpty()) {
result = QSSGAssetImportManager::ImportState::Success;
} else {
*error = errorMsg;
result = QSSGAssetImportManager::ImportState::IoError;
}
} else {
if (error)
*error = QStringLiteral("unsupported file extension %1").arg(extension);
}
for (const auto &file : generatedFiles)
qDebug() << "generated file:" << file;
return result;
}
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
QImageReader::setAllocationLimit(0);
const bool canUsePlugins = !QCoreApplication::arguments().contains(QStringLiteral("--no-plugins"));
if (!canUsePlugins)
qDebug("balsam: Not loading assetimporter plugins");
QScopedPointer<QSSGAssetImportManager> assetImporter;
OptionsManager optionsManager;
BuiltinConditioners builtins;
// Setup command line arguments
QCommandLineParser cmdLineParser;
cmdLineParser.setApplicationDescription(
QStringLiteral("Converts graphical assets to a runtime format for use with Qt Quick 3D"));
cmdLineParser.addHelpOption();
cmdLineParser.addPositionalArgument(QStringLiteral("sourceFilename"), QStringLiteral("Asset file to be imported"));
QCommandLineOption outputPathOption({ "outputPath", "o" }, QStringLiteral("Sets the location to place the generated file(s). Default is the current directory"), QStringLiteral("outputPath"), QDir::currentPath());
cmdLineParser.addOption(outputPathOption);
QCommandLineOption noPluginsOption(QStringLiteral("no-plugins"), QStringLiteral("Disable assetimporter plugin loading, only considers built-ins"));
cmdLineParser.addOption(noPluginsOption);
QCommandLineOption loadOptionsFromFileOption({"f","options-file"}, QStringLiteral("Load options from <file>"), QStringLiteral("file"));
cmdLineParser.addOption(loadOptionsFromFileOption);
// Get Plugin options
if (canUsePlugins) {
assetImporter.reset(new QSSGAssetImportManager);
auto pluginOptions = assetImporter->getAllOptions();
for (const auto &options : std::as_const(pluginOptions))
optionsManager.generateCommandLineOptions(options);
optionsManager.registerOptions(cmdLineParser);
}
cmdLineParser.process(app);
QStringList assetFileNames = cmdLineParser.positionalArguments();
QDir outputDirectory = QDir::currentPath();
if (cmdLineParser.isSet(outputPathOption)) {
outputDirectory = QDir(cmdLineParser.value(outputPathOption));
if (!outputDirectory.exists()) {
if (!outputDirectory.mkpath(QStringLiteral("."))) {
std::cerr << "Failed to create export directory: " << qPrintable(outputDirectory.path()) << "\n";
return 2;
}
}
}
// if there is nothing to do show help
if (assetFileNames.isEmpty())
cmdLineParser.showHelp(1);
// Convert each assetFile is possible
for (const auto &assetFileName : assetFileNames) {
QString errorString;
QSSGAssetImportManager::ImportState result = QSSGAssetImportManager::ImportState::Unsupported;
if (canUsePlugins) {
QJsonObject options = assetImporter->getOptionsForFile(assetFileName);
QJsonObject loadedOptions;
if (cmdLineParser.isSet(loadOptionsFromFileOption)) {
QFile optionsFile(cmdLineParser.value(loadOptionsFromFileOption));
if (!optionsFile.open(QIODevice::ReadOnly)) {
qCritical() << "Could not open options file" << optionsFile.fileName() << "for reading.";
return -1;
}
QByteArray optionData = optionsFile.readAll();
QJsonParseError error;
auto optionsDoc = QJsonDocument::fromJson(optionData, &error);
if (optionsDoc.isEmpty()) {
qCritical() << "Could not read options file:" << error.errorString();
return -1;
}
loadedOptions = optionsDoc.object();
}
options = optionsManager.processCommandLineOptions(cmdLineParser, options, loadedOptions);
// first try the plugin-based asset importer system
result = assetImporter->importFile(assetFileName, outputDirectory, options, &errorString);
}
// if the file extension is unsupported, try the builtins
if (result == QSSGAssetImportManager::ImportState::Unsupported)
result = builtins.run(assetFileName, outputDirectory, &errorString);
if (result != QSSGAssetImportManager::ImportState::Success) {
std::cerr << "Failed to import file with error: " << qPrintable(errorString) << "\n";
return 2;
}
}
return 0;
}
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