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Diffstat (limited to 'src/runtime/q3dsmaterialdefinitionparser.cpp')
| -rw-r--r-- | src/runtime/q3dsmaterialdefinitionparser.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/runtime/q3dsmaterialdefinitionparser.cpp b/src/runtime/q3dsmaterialdefinitionparser.cpp new file mode 100644 index 0000000..913a24e --- /dev/null +++ b/src/runtime/q3dsmaterialdefinitionparser.cpp @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** Copyright (C) 2019 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "q3dsmaterialdefinitionparser.h" + +#include <QtCore/qfile.h> +#include <QtCore/qdir.h> +#include <QtCore/qxmlstream.h> +#include <QtCore/qtextstream.h> +#include <QtCore/qdebug.h> + +namespace Q3DStudio { + +void Q3DSMaterialDefinitionParser::getMaterialInfo(const QString &materialDefinition, + const QString &projPath, const QString &presPath, + QString &outName, QMap<QString, QString> &outValues, + QMap<QString, QMap<QString, QString>> &outTextureValues) +{ + // materialDefinition can be the .materialdef file name or its content + QString matDef; + if (materialDefinition.endsWith(QLatin1String(".materialdef"), Qt::CaseInsensitive)) { + QFile file(materialDefinition); + if (!file.open(QFile::Text | QFile::ReadOnly)) { + qWarning() << __FUNCTION__ << "Failed to open material definition file:" + << file.errorString(); + return; + } + QTextStream stream(&file); + matDef = stream.readAll(); + } else { + matDef = materialDefinition; + } + + QXmlStreamReader reader(matDef); + reader.setNamespaceProcessing(false); + + const QDir docDir(presPath); + const QDir projDir(projPath); + QString textureName; + QString propertyName; + QString propertyType; + QString propertyValue; + QMap<QString, QString> textureProperties; + + const QString matDataVersion = QStringLiteral("1.0"); + const QString sourcePathStr = QStringLiteral("sourcepath"); + const QString nameStr = QStringLiteral("name"); + const QString typeStr = QStringLiteral("type"); + const QString versionStr = QStringLiteral("version"); + + while (!reader.atEnd()) { + reader.readNext(); + if (reader.tokenType() == QXmlStreamReader::StartElement) { + if (reader.name() == QLatin1String("TextureData")) { + textureName = reader.attributes().value(nameStr).toString(); + textureProperties.clear(); + } else if (reader.name() == QLatin1String("Property")) { + propertyName = reader.attributes().value(nameStr).toString(); + propertyType = reader.attributes().value(typeStr).toString(); + propertyValue.clear(); + } else if (reader.name() == QLatin1String("MaterialData")) { + QString version = reader.attributes().value(versionStr).toString(); + if (version != matDataVersion) { + qWarning() << __FUNCTION__ << "Invalid MaterialData version; expected '" + << matDataVersion << "', got '" << version << "'"; + outName.clear(); + outValues.clear(); + outTextureValues.clear(); + return; + } + } + } else if (reader.tokenType() == QXmlStreamReader::EndElement) { + if (reader.name() == QLatin1String("TextureData")) { + outTextureValues[textureName] = textureProperties; + textureName.clear(); + } else if (reader.name() == QLatin1String("Property")) { + if (textureName.isEmpty()) { + outValues[propertyName] = propertyValue; + if (propertyName == nameStr) + outName = propertyValue; + } else { + textureProperties[propertyName] = propertyValue; + } + propertyName.clear(); + propertyType.clear(); + } + } else if (reader.tokenType() == QXmlStreamReader::Characters) { + if (!propertyName.isEmpty()) { + propertyValue = reader.text().toString(); + if (propertyName == sourcePathStr) { + // Check that the referenced file exists + const auto absSourcePath = projDir.absoluteFilePath(propertyValue); + if (!QFileInfo(absSourcePath).exists()) { + qWarning() << __FUNCTION__ << "Referenced file doesn't exist:" + << propertyValue; + outName.clear(); + outValues.clear(); + outTextureValues.clear(); + return; + } + } + if (!propertyValue.isEmpty() && (propertyType == QLatin1String("Texture") + || propertyName == sourcePathStr)) { + propertyValue = docDir.relativeFilePath( + projDir.absoluteFilePath(propertyValue)); + } + } + } + } +} + +} |