CS: Add rendering prefs and camera FOV

apps/opencs/model/prefs/state.cpp

@@ -192,6 +192,9 @@ void CSMPrefs::State::declare()
         setRange (0.001, 100.0);
     declareDouble ("rotate-factor", "Free rotation factor", 0.007).setPrecision(4).setRange(0.0001, 0.1);
 
+    declareCategory ("Rendering");
+    declareDouble ("camera-fov", "Camera FOV", 90.).setPrecision(5).setRange(10.0, 160.0);
+
     declareCategory ("Tooltips");
     declareBool ("scene", "Show Tooltips in 3D scenes", true);
     declareBool ("scene-hide-basic", "Hide basic  3D scenes tooltips", false);

apps/opencs/view/prefs/dialogue.cpp

@@ -84,7 +84,6 @@ CSVPrefs::Dialogue::~Dialogue()
 void CSVPrefs::Dialogue::closeEvent (QCloseEvent *event)
 {
     QMainWindow::closeEvent (event);
-
     CSMPrefs::State::get().save();
 }
 

apps/opencs/view/render/scenewidget.cpp

@@ -66,7 +66,11 @@ RenderWidget::RenderWidget(QWidget *parent, Qt::WindowFlags f)
     mView->getCamera()->setGraphicsContext(window);
     mView->getCamera()->setClearColor( osg::Vec4(0.2, 0.2, 0.6, 1.0) );
     mView->getCamera()->setViewport( new osg::Viewport(0, 0, traits->width, traits->height) );
-    mView->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(traits->width)/static_cast<double>(traits->height), 1.0f, 10000.0f );
+
+    mView->getCamera()->setProjectionMatrixAsPerspective(
+        CSMPrefs::get()["Rendering"]["camera-fov"].toDouble(),
+        static_cast<double>(traits->width)/static_cast<double>(traits->height),
+        1.0f, 10000.0f);
 
     SceneUtil::LightManager* lightMgr = new SceneUtil::LightManager;
     lightMgr->setStartLight(1);