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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "compositionnode.h"
#include "effectutils.h"
#include "effectmakeruniformsmodel.h"
#include "uniform.h"
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
namespace QmlDesigner {
CompositionNode::CompositionNode(const QString &qenPath)
{
parse(qenPath);
}
QString CompositionNode::fragmentCode() const
{
return m_fragmentCode;
}
QString CompositionNode::vertexCode() const
{
return m_vertexCode;
}
QString CompositionNode::description() const
{
return m_description;
}
QObject *CompositionNode::uniformsModel()
{
return &m_unifomrsModel;
}
QStringList CompositionNode::requiredNodes() const
{
return m_requiredNodes;
}
bool CompositionNode::isEnabled() const
{
return m_isEnabled;
}
void CompositionNode::setIsEnabled(bool newIsEnabled)
{
if (newIsEnabled != m_isEnabled) {
m_isEnabled = newIsEnabled;
emit isEnabledChanged();
}
}
CompositionNode::NodeType CompositionNode::type() const
{
return m_type;
}
void CompositionNode::parse(const QString &qenPath)
{
QFile qenFile(qenPath);
if (!qenFile.open(QIODevice::ReadOnly)) {
qWarning("Couldn't open effect file.");
return;
}
QByteArray loadData = qenFile.readAll();
QJsonParseError parseError;
QJsonDocument jsonDoc(QJsonDocument::fromJson(loadData, &parseError));
if (parseError.error != QJsonParseError::NoError) {
QString error = QString("Error parsing the effect node: %1:").arg(qenPath);
QString errorDetails = QString("%1: %2").arg(parseError.offset).arg(parseError.errorString());
qWarning() << qPrintable(error);
qWarning() << qPrintable(errorDetails);
return;
}
QJsonObject json = jsonDoc.object().value("QEN").toObject();
int version = -1;
if (json.contains("version"))
version = json["version"].toInt(-1);
if (version != 1) {
QString error = QString("Error: Unknown effect version (%1)").arg(version);
qWarning() << qPrintable(error);
return;
}
m_name = json.value("name").toString();
m_description = json.value("description").toString();
m_fragmentCode = EffectUtils::codeFromJsonArray(json.value("fragmentCode").toArray());
m_vertexCode = EffectUtils::codeFromJsonArray(json.value("vertexCode").toArray());
// parse properties
QJsonArray jsonProps = json.value("properties").toArray();
for (const auto /*QJsonValueRef*/ &prop : jsonProps)
m_unifomrsModel.addUniform(new Uniform(prop.toObject()));
// Seek through code to get tags
QStringList shaderCodeLines;
shaderCodeLines += m_vertexCode.split('\n');
shaderCodeLines += m_fragmentCode.split('\n');
for (const QString &codeLine : std::as_const(shaderCodeLines)) {
QString trimmedLine = codeLine.trimmed();
if (trimmedLine.startsWith("@requires")) {
// Get the required node, remove "@requires"
QString l = trimmedLine.sliced(9).trimmed();
QString nodeName = trimmedLine.sliced(10);
if (!nodeName.isEmpty() && !m_requiredNodes.contains(nodeName))
m_requiredNodes << nodeName;
}
}
}
} // namespace QmlDesigner
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