Add exporting by entity ID to Application

interface/src/Application.cpp

@@ -1633,6 +1633,47 @@ void Application::setActiveFaceTracker() {
 #endif
 }
 
+bool Application::exportEntities(const QString& filename, const QVector<EntityItemID>& entityIDs) {
+    QVector<EntityItem*> entities;
+
+    auto entityTree = _entities.getTree();
+    EntityTree exportTree;
+
+    glm::vec3 root(TREE_SCALE, TREE_SCALE, TREE_SCALE);
+    for (auto entityID : entityIDs) {
+        auto entityItem = entityTree->findEntityByEntityItemID(entityID);
+        if (!entityItem) {
+            continue;
+        }
+
+        auto properties = entityItem->getProperties();
+        auto position = properties.getPosition();
+
+        root.x = glm::min(root.x, position.x);
+        root.y = glm::min(root.y, position.y);
+        root.z = glm::min(root.z, position.z);
+
+        entities << entityItem;
+    }
+
+    if (entities.size() == 0) {
+        return false;
+    }
+
+    for (auto entityItem : entities) {
+        auto properties = entityItem->getProperties();
+
+        properties.setPosition(properties.getPosition() - root);
+        exportTree.addEntity(entityItem->getEntityItemID(), properties);
+    }
+
+    exportTree.writeToSVOFile(filename.toLocal8Bit().constData());
+
+    // restore the main window's active state
+    _window->activateWindow();
+    return true;
+}
+
 bool Application::exportEntities(const QString& filename, float x, float y, float z, float scale) {
     QVector<EntityItem*> entities;
     _entities.getTree()->findEntities(AACube(glm::vec3(x / (float)TREE_SCALE, 

interface/src/Application.h

@@ -324,7 +324,7 @@ public slots:
     void packetSent(quint64 length);
 
     QVector<EntityItemID> pasteEntities(float x, float y, float z);
-    bool exportEntities(const QString& filename, const QStringList& entityIDs);
+    bool exportEntities(const QString& filename, const QVector<EntityItemID>& entityIDs);
     bool exportEntities(const QString& filename, float x, float y, float z, float scale);
     bool importEntities(const QString& filename);
 

interface/src/scripting/ClipboardScriptingInterface.cpp

@@ -14,7 +14,7 @@
 ClipboardScriptingInterface::ClipboardScriptingInterface() {
 }
 
-bool ClipboardScriptingInterface::exportEntities(const QString& filename, QStringList entityIDs) {
+bool ClipboardScriptingInterface::exportEntities(const QString& filename, const QVector<EntityItemID>& entityIDs) {
     return Application::getInstance()->exportEntities(filename, entityIDs);
 }
 

interface/src/scripting/ClipboardScriptingInterface.h

@@ -23,7 +23,7 @@ signals:
     
 public slots:
     bool importEntities(const QString& filename);
-    bool exportEntities(const QString& filename, QStringList entityIDs);
+    bool exportEntities(const QString& filename, const QVector<EntityItemID>& entityIDs);
     bool exportEntities(const QString& filename, float x, float y, float z, float s);
     QVector<EntityItemID> pasteEntities(float x, float y, float z, float s);
 };