Add VrmlNodeViewPoint to swith viewpoints from vrml

Author: uwewoessner

src/OpenCOVER/plugins/general/ViewPoint/CMakeLists.txt

@@ -1,6 +1,7 @@
 if(NOT COVISE_USE_QT)
     return()
 endif()
+USING(VRML)
 
 SET(HEADERS
  BezierCurveVisualizer.h
@@ -10,6 +11,7 @@ SET(HEADERS
  coVRDOMDocument.h
  Interpolator.h
  ViewDesc.h
+ VrmlNodeViewPoint.h
 )
 SET(SOURCES
 BezierCurveVisualizer.cpp
@@ -19,6 +21,7 @@ ViewPoint.cpp
 coVRDOMDocument.cpp
 Interpolator.cpp
 ViewDesc.cpp
+ VrmlNodeViewPoint.cpp
 )
 cover_add_plugin(ViewPoint ${COVISE_GRMSG_LIBRARY})
 qt_use_modules(ViewPoint Xml)

src/OpenCOVER/plugins/general/ViewPoint/ViewPoint.cpp

@@ -294,7 +294,7 @@ bool ViewPoints::init()
         }
     });
 
-    auto speedSlider = new ui::Slider(viewPointMenu_, "animDuration");
+    speedSlider = new ui::Slider(viewPointMenu_, "animDuration");
     speedSlider->setBounds(MinFlightTime, MaxFlightTime);
     speedSlider->setValue(flightTime);
     speedSlider->setIntegral(false);
@@ -2531,6 +2531,19 @@ bool ViewPoints::isClipPlaneChecked()
     return useClipPlanesCheck_->state();
 }
 
+void ViewPoints::setName(const std::string &name)
+{
+    for (vector<ViewDesc *>::iterator it = viewpoints.begin(); it < viewpoints.end(); it++)
+    {
+        if ((*it)->getName() == name)
+        {
+            loadViewpoint(*it);
+            (*it)->activate(useClipPlanesCheck_->state());
+            break;
+        }
+    }
+}
+
 bool ViewPoints::isOn(const char *vp)
 {
     if ((strncasecmp(vp, "true", 4) == 0) || (strncasecmp(vp, "on", 2) == 0) || (strncasecmp(vp, "1", 1) == 0))

src/OpenCOVER/plugins/general/ViewPoint/ViewPoint.h

@@ -134,6 +134,8 @@ class ViewPoints : public coVRPlugin, public ui::Owner
     static ViewPoints *instance(){return inst;}
     bool dataChanged = false;
     bool isClipPlaneChecked();
+    ui::Slider *speedSlider;
+    void setName(const std::string &name); // set viewpoint by name;
 
 private:
     Vec3 eyepoint;

src/OpenCOVER/plugins/general/ViewPoint/VrmlNodeViewPoint.cpp

@@ -0,0 +1,39 @@
+/* This file is part of COVISE.
+
+   You can use it under the terms of the GNU Lesser General Public License
+   version 2.1 or later, see lgpl-2.1.txt.
+
+ * License: LGPL 2+ */
+#include "VrmlNodeViewPoint.h"
+
+#include "ViewPoint.h"
+
+static VrmlNode *creator(VrmlScene *scene)
+{
+    return new VrmlNodeViewPoint(scene);
+}
+
+VrmlNodeViewPoint::VrmlNodeViewPoint(VrmlScene *scene)
+    : VrmlNodeChild(scene, typeName())
+{
+}
+
+VrmlNodeViewPoint::VrmlNodeViewPoint(const VrmlNodeViewPoint &n)
+    : VrmlNodeChild(n)
+{
+}
+
+void VrmlNodeViewPoint::initFields(VrmlNodeViewPoint *node, VrmlNodeType *t)
+{
+    VrmlNodeChild::initFields(node, t); // Parent class
+    initFieldsHelper(node, t,
+        field("transitionDuration", node->d_transitionDuration, [node](auto f)
+            { opencover::ViewPoint::instance()->speedSlider.setValue(f);  opencover::ViewPoint::instance()->flightTime = f; }),
+        field("viewPointName", node->d_viewPointName, [node](auto n)
+            { ViewPoint::instance()->setName(n); }));
+}
+
+const char *VrmlNodeViewPoint::typeName()
+{
+    return "ViewPoint";
+}

src/OpenCOVER/plugins/general/ViewPoint/VrmlNodeViewPoint.h

@@ -0,0 +1,43 @@
+/* This file is part of COVISE.
+
+   You can use it under the terms of the GNU Lesser General Public License
+   version 2.1 or later, see lgpl-2.1.txt.
+
+ * License: LGPL 2+ */
+
+//
+//  Vrml 97 library
+//  Copyright (C) 2001 Uwe Woessner
+//
+//  %W% %G%
+//  VrmlNodeViewPoint.h
+
+#ifndef _VrmlNodeViewPoint_
+#define _VrmlNodeViewPoint_
+
+#include <util/coTypes.h>
+
+#include <vrml97/vrml/VrmlNode.h>
+#include <vrml97/vrml/VrmlSFFloat.h>
+#include <vrml97/vrml/VrmlSFString.h>
+#include <vrml97/vrml/VrmlNodeChild.h>
+#include <vrml97/vrml/VrmlScene.h>
+
+using namespace vrml;
+
+#define ALL_REGIONS_STRING "all"
+
+class VrmlNodeViewPoint : public VrmlNodeChild
+{
+public:
+    VrmlNodeViewPoint(VrmlScene *scene = 0);
+    VrmlNodeViewPoint(const VrmlNodeViewPoint &n);
+
+    static void initFields(VrmlNodeViewPoint *node, vrml::VrmlNodeType *t);
+    static const char *typeName();
+
+private:
+    VrmlSFFloat d_transitionDuration;
+    VrmlSFString d_viewPointName;
+};
+#endif //_VrmlNodeViewPoint_