src/Viewer/renderer.hxx

   1
   2 #ifndef __FG_RENDERER_HXX
   3 #define __FG_RENDERER_HXX 1
   4
   5 #include <simgear/scene/util/SGPickCallback.hxx>
   6 #include <simgear/props/props.hxx>
   7 #include <simgear/timing/timestamp.hxx>
   8
   9 #include <osg/ref_ptr>
  10 #include <osg/Matrix>
  11 #include <osg/Vec3>
  12
  13 namespace osg
  14 {
  15 class Camera;
  16 class Group;
  17 class GraphicsContext;
  18 }
  19
  20 namespace osgGA
  21 {
  22 class GUIEventAdapter;
  23 }
  24
  25 namespace osgShadow
  26 {
  27 class ShadowedScene;
  28 }
  29
  30 namespace osgViewer
  31 {
  32 class Viewer;
  33 }
  34
  35 namespace flightgear
  36 {
  37 class FGEventHandler;
  38 struct CameraInfo;
  39 class CameraGroup;
  40 }
  41
  42 class SGSky;
  43 class FGRenderingPipeline;
  44
  45 class FGRenderer {
  46
  47 public:
  48
  49     FGRenderer();
  50     ~FGRenderer();
  51
  52     void splashinit();
  53     void init();
  54
  55     void setupView();
  56
  57     void resize(int width, int height );
  58
  59     void update();
  60
  61     /** Just pick into the scene and return the pick callbacks on the way ...
  62      */
  63     bool pick( std::vector<SGSceneryPick>& pickList,
  64                const osgGA::GUIEventAdapter* ea );
  65
  66     /** Get and set the OSG Viewer object, if any.
  67      */
  68     osgViewer::Viewer* getViewer() { return viewer.get(); }
  69     const osgViewer::Viewer* getViewer() const { return viewer.get(); }
  70     void setViewer(osgViewer::Viewer* viewer);
  71     /** Get and set the manipulator object, if any.
  72      */
  73     flightgear::FGEventHandler* getEventHandler() { return eventHandler.get(); }
  74     const flightgear::FGEventHandler* getEventHandler() const { return eventHandler.get(); }
  75     void setEventHandler(flightgear::FGEventHandler* manipulator);
  76
  77     /** Add a top level camera.
  78      */
  79     void addCamera(osg::Camera* camera, bool useSceneData);
  80
  81     void removeCamera(osg::Camera* camera);
  82
  83     /** Add a camera to the group. The camera is added to the viewer
  84      * as a slave. See osgViewer::Viewer::addSlave.
  85      * @param flags properties of the camera; see CameraGroup::Flags
  86      * @param projection slave projection matrix
  87      * @param view slave view matrix
  88      * @param useMasterSceneData whether the camera displays the
  89      * viewer's scene data.
  90      * @return a CameraInfo object for the camera.
  91      */
  92         flightgear::CameraInfo* buildRenderingPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
  93                                    const osg::Matrix& view,
  94                                    const osg::Matrix& projection,
  95                                                                    osg::GraphicsContext* gc,
  96                                    bool useMasterSceneData);
  97
  98         /**
  99          */
 100         flightgear::CameraInfo* buildClassicalPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 101                                    const osg::Matrix& view,
 102                                    const osg::Matrix& projection,
 103                                    bool useMasterSceneData);
 104
 105         /**
 106          */
 107         flightgear::CameraInfo* buildDeferredPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 108                                    const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
 109
 110         /**
 111          */
 112         flightgear::CameraInfo* buildDefaultDeferredPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 113                                    const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
 114
 115     void updateShadowCamera(const flightgear::CameraInfo* info, const osg::Vec3d& position);
 116     void updateShadowMapSize(int mapSize);
 117     void enableShadows(bool enabled);
 118     void updateCascadeFar(int index, float far_m);
 119     void updateCascadeNumber(size_t num);
 120
 121     SGSky* getSky() const { return _sky; }
 122
 123         void setPlanes( double zNear, double zFar );
 124
 125     /**
 126      * inform the renderer when the global (2D) panel is changed
 127      */
 128     void panelChanged();
 129 protected:
 130     osg::ref_ptr<osgViewer::Viewer> viewer;
 131     osg::ref_ptr<flightgear::FGEventHandler> eventHandler;
 132     SGPropertyNode_ptr _scenery_loaded,_scenery_override;
 133     SGPropertyNode_ptr _skyblend, _splash_alpha;
 134     SGPropertyNode_ptr _point_sprites, _enhanced_lighting, _distance_attenuation;
 135     SGPropertyNode_ptr _textures;
 136     SGPropertyNode_ptr _cloud_status, _visibility_m;
 137     SGPropertyNode_ptr _xsize, _ysize;
 138     SGPropertyNode_ptr _panel_hotspots, _sim_delta_sec, _horizon_effect, _altitude_ft;
 139     SGPropertyNode_ptr _virtual_cockpit;
 140     SGTimeStamp _splash_time;
 141     SGSky* _sky;
 142     bool _classicalRenderer;
 143     std::string _renderer;
 144     int _shadowMapSize;
 145     size_t _numCascades;
 146     float _cascadeFar[4];
 147     bool _useColorForDepth;
 148
 149     osg::Camera* buildDeferredGeometryCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc );
 150     osg::Camera* buildDeferredShadowCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc );
 151     osg::Camera* buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc );
 152     void updateShadowCascade(const flightgear::CameraInfo* info, osg::Camera* camera, osg::Group* grp, int idx, double left, double right, double bottom, double top, double zNear, double f1, double f2);
 153     osg::Vec3 getSunDirection() const;
 154     osg::ref_ptr<osg::Uniform> _ambientFactor;
 155     osg::ref_ptr<osg::Uniform> _sunDiffuse;
 156     osg::ref_ptr<osg::Uniform> _sunSpecular;
 157     osg::ref_ptr<osg::Uniform> _sunDirection;
 158     osg::ref_ptr<osg::Uniform> _planes;
 159     osg::ref_ptr<osg::Uniform> _fogColor;
 160     osg::ref_ptr<osg::Uniform> _fogDensity;
 161     osg::ref_ptr<osg::Uniform> _shadowNumber;
 162     osg::ref_ptr<osg::Uniform> _shadowDistances;
 163     osg::ref_ptr<osg::Uniform> _depthInColor;
 164
 165     osg::ref_ptr<FGRenderingPipeline> _pipeline;
 166 };
 167
 168 bool fgDumpSceneGraphToFile(const char* filename);
 169 bool fgDumpTerrainBranchToFile(const char* filename);
 170
 171 namespace flightgear
 172 {
 173 bool printVisibleSceneInfo(FGRenderer* renderer);
 174 }
 175
 176 #endif