Send view scaling over parallel connection

include/openspace/interaction/keyframenavigator.h

@@ -41,6 +41,7 @@ public:
         glm::dvec3 position;
         glm::quat rotation;
         std::string focusNode;
+        float scale;
         bool followFocusNodeRotation;
     };
 

include/openspace/network/messagestructures.h

@@ -49,6 +49,7 @@ struct CameraKeyframe {
     glm::dquat _rotation;
     bool _followNodeRotation;
     std::string _focusNode;
+    float _scale;
 
     double _timestamp;
 
@@ -88,6 +89,12 @@ struct CameraKeyframe {
             _focusNode.data() + nodeNameLength
         );
 
+        buffer.insert(
+            buffer.end(),
+            reinterpret_cast<char*>(&_scale),
+            reinterpret_cast<char*>(&_scale) + sizeof(_scale)
+        );
+
         // Add timestamp
         buffer.insert(
             buffer.end(),
@@ -124,6 +131,11 @@ struct CameraKeyframe {
         _focusNode = std::string(buffer.data() + offset, buffer.data() + offset + size);
         offset += size;
 
+        // Scale
+        size = sizeof(_scale);
+        memcpy(&_scale, buffer.data() + offset, size);
+        offset += size;
+
         // Timestamp
         size = sizeof(_timestamp);
         memcpy(&_timestamp, buffer.data() + offset, size);