Support open/export from command line

Usage example(on MacOS):
    $ ./dust3d.app/Contents/MacOS/dust3d /Users/jeremy/Desktop/test.ds3 -o /Users/jeremy/Desktop/test.glb
    $ echo $?

src/documentwindow.cpp

@@ -1278,84 +1278,10 @@ void DocumentWindow::saveTo(const QString &saveAsFilename)
     QApplication::restoreOverrideCursor();
 }
 
-void DocumentWindow::openExample(const QString &modelName)
+void DocumentWindow::openPathAs(const QString &path, const QString &asName)
 {
-    if (!m_documentSaved) {
-        QMessageBox::StandardButton answer = QMessageBox::question(this,
-            APP_NAME,
-            tr("Do you really want to open example and lose the unsaved changes?"),
-            QMessageBox::Yes | QMessageBox::No);
-        if (answer != QMessageBox::Yes)
-            return;
-    }
-    
     QApplication::setOverrideCursor(Qt::WaitCursor);
-    Ds3FileReader ds3Reader(":/resources/" + modelName);
-    
-    m_document->clearHistories();
-    m_document->resetScript();
-    m_document->reset();
-    m_document->saveSnapshot();
-    
-    for (int i = 0; i < ds3Reader.items().size(); ++i) {
-        Ds3ReaderItem item = ds3Reader.items().at(i);
-        if (item.type == "asset") {
-            if (item.name.startsWith("images/")) {
-                QString filename = item.name.split("/")[1];
-                QString imageIdString = filename.split(".")[0];
-                QUuid imageId = QUuid(imageIdString);
-                if (!imageId.isNull()) {
-                    QByteArray data;
-                    ds3Reader.loadItem(item.name, &data);
-                    QImage image = QImage::fromData(data, "PNG");
-                    (void)ImageForever::add(&image, imageId);
-                }
-            }
-        }
-    }
-    
-    for (int i = 0; i < ds3Reader.items().size(); ++i) {
-        Ds3ReaderItem item = ds3Reader.items().at(i);
-        if (item.type == "model") {
-            QByteArray data;
-            ds3Reader.loadItem(item.name, &data);
-            QXmlStreamReader stream(data);
-            Snapshot snapshot;
-            loadSkeletonFromXmlStream(&snapshot, stream);
-            m_document->fromSnapshot(snapshot);
-            m_document->saveSnapshot();
-        } else if (item.type == "asset") {
-            if (item.name == "canvas.png") {
-                QByteArray data;
-                ds3Reader.loadItem(item.name, &data);
-                QImage image = QImage::fromData(data, "PNG");
-                m_document->updateTurnaround(image);
-            }
-        }
-    }
-    QApplication::restoreOverrideCursor();
-
-    setCurrentFilename("");
-}
-
-void DocumentWindow::open()
-{
-    if (!m_documentSaved) {
-        QMessageBox::StandardButton answer = QMessageBox::question(this,
-            APP_NAME,
-            tr("Do you really want to open another file and lose the unsaved changes?"),
-            QMessageBox::Yes | QMessageBox::No);
-        if (answer != QMessageBox::Yes)
-            return;
-    }
-
-    QString filename = QFileDialog::getOpenFileName(this, QString(), QString(),
-        tr("Dust3D Document (*.ds3)"));
-    if (filename.isEmpty())
-        return;
-
-    QApplication::setOverrideCursor(Qt::WaitCursor);
-    Ds3FileReader ds3Reader(filename);
+    Ds3FileReader ds3Reader(path);
     
     m_document->clearHistories();
     m_document->resetScript();
@@ -1416,7 +1342,40 @@ void DocumentWindow::open()
     }
     QApplication::restoreOverrideCursor();
 
-    setCurrentFilename(filename);
+    setCurrentFilename(asName);
+}
+
+void DocumentWindow::openExample(const QString &modelName)
+{
+    if (!m_documentSaved) {
+        QMessageBox::StandardButton answer = QMessageBox::question(this,
+            APP_NAME,
+            tr("Do you really want to open example and lose the unsaved changes?"),
+            QMessageBox::Yes | QMessageBox::No);
+        if (answer != QMessageBox::Yes)
+            return;
+    }
+    
+    openPathAs(":/resources/" + modelName, "");
+}
+
+void DocumentWindow::open()
+{
+    if (!m_documentSaved) {
+        QMessageBox::StandardButton answer = QMessageBox::question(this,
+            APP_NAME,
+            tr("Do you really want to open another file and lose the unsaved changes?"),
+            QMessageBox::Yes | QMessageBox::No);
+        if (answer != QMessageBox::Yes)
+            return;
+    }
+
+    QString filename = QFileDialog::getOpenFileName(this, QString(), QString(),
+        tr("Dust3D Document (*.ds3)"));
+    if (filename.isEmpty())
+        return;
+    
+    openPathAs(filename, filename);
 }
 
 void DocumentWindow::showPreferences()
@@ -1435,6 +1394,11 @@ void DocumentWindow::exportObjResult()
     if (filename.isEmpty()) {
         return;
     }
+    exportObjToFilename(filename);
+}
+
+void DocumentWindow::exportObjToFilename(const QString &filename)
+{
     QApplication::setOverrideCursor(Qt::WaitCursor);
     MeshLoader *resultMesh = m_document->takeResultMesh();
     if (nullptr != resultMesh) {
@@ -1468,6 +1432,11 @@ void DocumentWindow::exportFbxResult()
     if (filename.isEmpty()) {
         return;
     }
+    exportFbxToFilename(filename);
+}
+
+void DocumentWindow::exportFbxToFilename(const QString &filename)
+{
     if (!m_document->isExportReady()) {
         qDebug() << "Export but document is not export ready";
         return;
@@ -1499,6 +1468,11 @@ void DocumentWindow::exportGlbResult()
     if (filename.isEmpty()) {
         return;
     }
+    exportGlbToFilename(filename);
+}
+
+void DocumentWindow::exportGlbToFilename(const QString &filename)
+{
     if (!m_document->isExportReady()) {
         qDebug() << "Export but document is not export ready";
         return;
@@ -1701,3 +1675,33 @@ void DocumentWindow::showCutFaceSettingPopup(const QPoint &globalPos, std::set<Q
     
     popupMenu.exec(globalPos);
 }
+
+void DocumentWindow::setExportWaitingList(const QStringList &filenames)
+{
+    m_waitingForExportToFilenames = filenames;
+}
+
+void DocumentWindow::checkExportWaitingList()
+{
+    if (m_waitingForExportToFilenames.empty())
+        return;
+    
+    auto list = m_waitingForExportToFilenames;
+    m_waitingForExportToFilenames.clear();
+    
+    bool isSucceed = m_document->isMeshGenerationSucceed();
+    for (const auto &filename: list) {
+        if (filename.endsWith(".obj")) {
+            exportObjToFilename(filename);
+            emit waitingExportFinished(filename, isSucceed);
+        } else if (filename.endsWith(".fbx")) {
+            exportFbxToFilename(filename);
+            emit waitingExportFinished(filename, isSucceed);
+        } else if (filename.endsWith(".glb")) {
+            exportGlbToFilename(filename);
+            emit waitingExportFinished(filename, isSucceed);
+        } else {
+            emit waitingExportFinished(filename, false);
+        }
+    }
+}

src/documentwindow.h

@@ -8,6 +8,7 @@
 #include <QAction>
 #include <QTextBrowser>
 #include <map>
+#include <QStringList>
 #include "document.h"
 #include "modelwidget.h"
 #include "exportpreviewwidget.h"
@@ -24,6 +25,7 @@ class DocumentWindow : public QMainWindow
 signals:
     void initialized();
     void uninialized();
+    void waitingExportFinished(const QString &filename, bool succeed);
 public:
     DocumentWindow();
     ~DocumentWindow();
@@ -43,6 +45,7 @@ public slots:
     void saveTo(const QString &saveAsFilename);
     void open();
     void openExample(const QString &modelName);
+    void openPathAs(const QString &path, const QString &asName);
     void exportObjResult();
     void exportGlbResult();
     void exportFbxResult();
@@ -68,6 +71,11 @@ public slots:
     void unregisterDialog(QWidget *widget);
     void showPreferences();
     void showCutFaceSettingPopup(const QPoint &globalPos, std::set<QUuid> nodeIds);
+    void setExportWaitingList(const QStringList &filenames);
+    void checkExportWaitingList();
+    void exportObjToFilename(const QString &filename);
+    void exportFbxToFilename(const QString &filename);
+    void exportGlbToFilename(const QString &filename);
 private:
     void initLockButton(QPushButton *button);
     void setCurrentFilename(const QString &filename);
@@ -81,6 +89,7 @@ private:
     std::vector<QWidget *> m_dialogs;
     bool m_isLastMeshGenerationSucceed;
     quint64 m_currentUpdatedMeshId;
+    QStringList m_waitingForExportToFilenames;
 private:
     QString m_currentFilename;
     

src/main.cpp

@@ -57,15 +57,33 @@ int main(int argc, char ** argv)
     
     Theme::initAwsomeBaseSizes();
     
-    DocumentWindow::createDocumentWindow();
+    DocumentWindow *firstWindow = DocumentWindow::createDocumentWindow();
     
     qDebug() << "Language:" << QLocale().name();
     
+    QStringList openFileList;
+    QStringList waitingExportList;
     bool remoteIoEnabled = false;
     for (int i = 1; i < argc; ++i) {
-        if ('-' == argv[i][0] && 0 == strcmp(argv[i], "-remoteio")) {
-            remoteIoEnabled = true;
-            break;
+        if ('-' == argv[i][0]) {
+            if (0 == strcmp(argv[i], "-remoteio")) {
+                remoteIoEnabled = true;
+                continue;
+            }
+            if (0 == strcmp(argv[i], "-output") ||
+                    0 == strcmp(argv[i], "-o")) {
+                ++i;
+                if (i < argc)
+                    waitingExportList.append(argv[i]);
+                continue;
+            }
+            qDebug() << "Unknown option:" << argv[i];
+            continue;
+        }
+        QString arg = argv[i];
+        if (arg.endsWith(".ds3")) {
+            openFileList.append(arg);
+            continue;
         }
     }
     if (remoteIoEnabled) {
@@ -73,5 +91,42 @@ int main(int argc, char ** argv)
         new RemoteIoServer(53309);
     }
     
+    int finishedExportFileNum = 0;
+    int totalExportFileNum = 0;
+    int succeedExportNum = 0;
+    if (!openFileList.empty()) {
+        std::vector<DocumentWindow *> windowList = {firstWindow};
+        for (int i = 1; i < openFileList.size(); ++i) {
+            windowList.push_back(DocumentWindow::createDocumentWindow());
+        }
+        if (!waitingExportList.empty() &&
+                openFileList.size() == 1) {
+            totalExportFileNum = openFileList.size() * waitingExportList.size();
+            for (int i = 0; i < openFileList.size(); ++i) {
+                QObject::connect(windowList[i], &DocumentWindow::waitingExportFinished, &app, [&](const QString &filename, bool succeed) {
+                    qDebug() << "Export to" << filename << (succeed ? "succeed" : "failed");
+                    ++finishedExportFileNum;
+                    if (succeed)
+                        ++succeedExportNum;
+                    if (finishedExportFileNum == totalExportFileNum) {
+                        if (succeedExportNum == totalExportFileNum) {
+                            app.exit();
+                            return;
+                        }
+                        app.exit(1);
+                        return;
+                    }
+                });
+            }
+            for (int i = 0; i < openFileList.size(); ++i) {
+                QObject::connect(windowList[i]->document(), &Document::exportReady, windowList[i], &DocumentWindow::checkExportWaitingList);
+                windowList[i]->setExportWaitingList(waitingExportList);
+            }
+        }
+        for (int i = 0; i < openFileList.size(); ++i) {
+            windowList[i]->openPathAs(openFileList[i], openFileList[i]);
+        }
+    }
+    
     return app.exec();
 }

src/scriptrunner.cpp

@@ -412,7 +412,7 @@ void ScriptRunner::run()
         
         JS_FreeValue(context, globalObject);
         
-        JSValue object = JS_Eval(context, buffer.constData(), buffer.size(), "",
+        JSValue object = JS_Eval(context, buffer.constData(), buffer.size(), "<input>",
             JS_EVAL_TYPE_GLOBAL);
         if (JS_IsException(object)) {
             JSValue exceptionValue = JS_GetException(context);