[CHANGE] - we are now using an own version of osgViewer::StatsHanlder allowing...

[CHANGE] - we are now using an own version of osgViewer::StatsHanlder allowing us to move fonts to an arbitrary place. Original Licence included.

src/graphicsEngine/CMakeLists.txt

@@ -2,10 +2,11 @@
 ADD_SUBDIRECTORY( exceptions )
 
 FILE( GLOB GE_EXCEPTIONS_SRC "exceptions/*.cpp" "exceptions/*.h" )
+FILE( GLOB GE_EXT_SRC "ext/OpenSceneGraph/*.cpp" "ext/OpenSceneGraph/*.h" )
 FILE( GLOB GE_ALGORITHMS_SRC "algorithms/*.cpp" "algorithms/*.h" )
 FILE( GLOB GE_SRC "*.cpp" "*.h" )
 
-ADD_LIBRARY( OWge ${GE_SRC} ${GE_EXCEPTIONS_SRC} ${GE_ALGORITHMS_SRC} )
+ADD_LIBRARY( OWge ${GE_SRC} ${GE_EXCEPTIONS_SRC} ${GE_ALGORITHMS_SRC} ${GE_EXT_SRC} )
 TARGET_LINK_LIBRARIES( OWge OWcommon ${OPENGL_gl_LIBRARY} ${OPENSCENEGRAPH_LIBRARIES} )
 
 # Unit tests

src/graphicsEngine/WGEViewer.cpp

@@ -41,6 +41,7 @@
 #include <osgDB/ReadFile>
 
 #include "exceptions/WGEInitFailed.h"
+#include "ext/OpenSceneGraph/WGEStatsHandler.h"
 #include "WGE2DManipulator.h"
 #include "WGEZoomTrackballManipulator.h"
 #include "WPickHandler.h"
@@ -81,7 +82,7 @@ WGEViewer::WGEViewer( std::string name, int x, int y,
         }
 
         // add the stats handler
-        m_View->addEventHandler( new osgViewer::StatsHandler );
+        m_View->addEventHandler( new WGEStatsHandler );
     }
     catch( ... )
     {

src/graphicsEngine/ext/OpenSceneGraph/WGEStatsHandler.h

+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
+*
+* This library is open source and may be redistributed and/or modified under
+* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+* (at your option) any later version.  The full license is in LICENSE file
+* included with this distribution, and on the openscenegraph.org website.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* OpenSceneGraph Public License for more details.
+*/
+
+#ifndef WGESTATSHANDLER_H
+#define WGESTATSHANDLER_H
+
+#include <osg/AnimationPath>
+#include <osgText/Text>
+#include <osgGA/GUIEventHandler>
+#include <osgGA/AnimationPathManipulator>
+
+#include <osgViewer/GraphicsWindow>
+#include <osgViewer/Viewer>
+
+#include <osgDB/fstream>
+
+/**
+ * This class is an event handler managing render statistics. It basically is the osgViewer::StatsHandler but uses our font directory scheme.
+ */
+class WGEStatsHandler : public osgGA::GUIEventHandler
+{
+    public:
+
+        WGEStatsHandler();
+
+        enum StatsType
+        {
+            NO_STATS = 0,
+            FRAME_RATE = 1,
+            VIEWER_STATS = 2,
+            CAMERA_SCENE_STATS = 3,
+            VIEWER_SCENE_STATS = 4,
+            LAST = 5
+        };
+
+        void setKeyEventTogglesOnScreenStats(int key) { _keyEventTogglesOnScreenStats = key; }
+        int getKeyEventTogglesOnScreenStats() const { return _keyEventTogglesOnScreenStats; }
+
+        void setKeyEventPrintsOutStats(int key) { _keyEventPrintsOutStats = key; }
+        int getKeyEventPrintsOutStats() const { return _keyEventPrintsOutStats; }
+
+        double getBlockMultiplier() const { return _blockMultiplier; }
+
+        void reset();
+
+        osg::Camera* getCamera() { return _camera.get(); }
+        const osg::Camera* getCamera() const { return _camera.get(); }
+
+        virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
+
+        /** Get the keyboard and mouse usage of this manipulator.*/
+        virtual void getUsage(osg::ApplicationUsage& usage) const;
+
+    protected:
+
+        void setUpHUDCamera(osgViewer::ViewerBase* viewer);
+
+        osg::Geometry* createBackgroundRectangle(const osg::Vec3& pos, const float width, const float height, osg::Vec4& color);
+
+        osg::Geometry* createGeometry(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numBlocks);
+
+        osg::Geometry* createFrameMarkers(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numBlocks);
+
+        osg::Geometry* createTick(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numTicks);
+
+        osg::Node* createCameraTimeStats(const std::string& font, osg::Vec3& pos, float startBlocks, bool acquireGPUStats, float characterSize, osg::Stats* viewerStats, osg::Camera* camera);
+
+        void setUpScene(osgViewer::ViewerBase* viewer);
+
+        void updateThreadingModelText();
+
+        int                                 _keyEventTogglesOnScreenStats;
+        int                                 _keyEventPrintsOutStats;
+
+        int                                 _statsType;
+
+        bool                                _initialized;
+        osg::ref_ptr<osg::Camera>           _camera;
+
+        osg::ref_ptr<osg::Switch>           _switch;
+
+        osgViewer::ViewerBase::ThreadingModel          _threadingModel;
+        osg::ref_ptr<osgText::Text>         _threadingModelText;
+
+        unsigned int                        _frameRateChildNum;
+        unsigned int                        _viewerChildNum;
+        unsigned int                        _cameraSceneChildNum;
+        unsigned int                        _viewerSceneChildNum;
+        unsigned int                        _numBlocks;
+        double                              _blockMultiplier;
+
+        float                               _statsWidth;
+        float                               _statsHeight;
+
+
+};
+
+#endif      // WGESTATSHANDLER_H

tools/CMakeModules/CopyFonts.cmake

@@ -8,7 +8,3 @@ FOREACH( fname ${ALL_GE_FONTS} )
   configure_file(  ${fname} ${CMAKE_BINARY_DIR}/bin/${SHARED_FILES_RELATIVE}/fonts/ COPYONLY)
 ENDFOREACH( fname )
 
-# this is kind of a hack as the osgViewer::StatsHandler does not allow us to change the font path -> copy the file he needs to the destination he
-# needs
-execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/bin/fonts)
-configure_file( ${OW_SOURCE_DIR}/graphicsEngine/fonts/arial.ttf ${CMAKE_BINARY_DIR}/bin/fonts/ COPYONLY)