Positioned/Cache tweaks to support PoIs.

[flightgear.git] / src / Cockpit / od_gauge.cxx

diff --git a/src/Cockpit/od_gauge.cxx b/src/Cockpit/od_gauge.cxx
index 9e7c3e1e426986a4e08c96d8925798a0ed25f858..4f569acb1af97733c67d753b7d51335301c99108 100644 (file)
--- a/src/Cockpit/od_gauge.cxx
+++ b/src/Cockpit/od_gauge.cxx
@@ -36,6 +36,7 @@
 #include <osg/Camera>
 #include <osg/Geode>
 #include <osg/NodeVisitor>
+#include <osg/Material>
 #include <osg/Matrix>
 #include <osg/PolygonMode>
 #include <osg/ShadeModel>
@@ -47,30 +48,21 @@
 #include <simgear/scene/material/EffectGeode.hxx>
 #include <simgear/scene/util/RenderConstants.hxx>
 
+#include <Canvas/FGCanvasSystemAdapter.hxx>
 #include <Main/globals.hxx>
-#include <Viewer/renderer.hxx>
 #include <Scenery/scenery.hxx>
 #include "od_gauge.hxx"
 
 #include <cassert>
 
-//------------------------------------------------------------------------------
-static void cbAddCamera(osg::Camera* cam)
-{
-  globals->get_renderer()->addCamera(cam, false);
-}
-
-//------------------------------------------------------------------------------
-static void cbRemoveCamera(osg::Camera* cam)
-{
-  globals->get_renderer()->removeCamera(cam);
-}
+static simgear::canvas::SystemAdapterPtr system_adapter(
+  new canvas::FGCanvasSystemAdapter
+);
 
 //------------------------------------------------------------------------------
-FGODGauge::FGODGauge():
-  simgear::ODGauge(cbAddCamera, cbRemoveCamera)
+FGODGauge::FGODGauge()
 {
-
+  setSystemAdapter(system_adapter);
 }
 
 //------------------------------------------------------------------------------
@@ -87,6 +79,9 @@ class ReplaceStaticTextureVisitor:
 {
   public:
 
+    typedef osg::ref_ptr<osg::Group> GroupPtr;
+    typedef osg::ref_ptr<osg::Material> MaterialPtr;
+
     ReplaceStaticTextureVisitor( const char* name,
                                  osg::Texture2D* new_texture ):
         osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
@@ -94,7 +89,7 @@ class ReplaceStaticTextureVisitor:
         _new_texture(new_texture)
     {}
 
-    ReplaceStaticTextureVisitor( const SGPropertyNode* placement,
+    ReplaceStaticTextureVisitor( SGPropertyNode* placement,
                                  osg::Texture2D* new_texture,
                                  osg::NodeCallback* cull_callback = 0 ):
         osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
@@ -103,6 +98,7 @@ class ReplaceStaticTextureVisitor:
         ),
         _node_name( placement->getStringValue("node") ),
         _parent_name( placement->getStringValue("parent") ),
+        _node(placement),
         _new_texture(new_texture),
         _cull_callback(cull_callback)
     {
@@ -122,7 +118,7 @@ class ReplaceStaticTextureVisitor:
      * Get a list of groups which have been inserted into the scene graph to
      * replace the given texture
      */
-    canvas::Placements& getPlacements()
+    simgear::canvas::Placements& getPlacements()
     {
       return _placements;
     }
@@ -188,7 +184,7 @@ class ReplaceStaticTextureVisitor:
 
         // insert a new group between the geode an it's parent which overrides
         // the texture
-        osg::ref_ptr<osg::Group> group = new osg::Group;
+        GroupPtr group = new osg::Group;
         group->setName("canvas texture group");
         group->addChild(eg);
         parent->removeChild(eg);
@@ -197,16 +193,16 @@ class ReplaceStaticTextureVisitor:
         if( _cull_callback )
           group->setCullCallback(_cull_callback);
 
-        _placements.push_back(
-          canvas::PlacementPtr(new ObjectPlacement(group))
-        );
-
         osg::StateSet* stateSet = group->getOrCreateStateSet();
         stateSet->setTextureAttribute( unit, _new_texture,
                                              osg::StateAttribute::OVERRIDE );
         stateSet->setTextureMode( unit, GL_TEXTURE_2D,
                                         osg::StateAttribute::ON );
 
+        _placements.push_back( simgear::canvas::PlacementPtr(
+          new ObjectPlacement(_node, group)
+        ));
+
         SG_LOG
         (
           SG_GL,
@@ -223,12 +219,52 @@ class ReplaceStaticTextureVisitor:
   protected:
 
     class ObjectPlacement:
-      public canvas::Placement
+      public simgear::canvas::Placement
     {
       public:
-        ObjectPlacement(osg::ref_ptr<osg::Group> group):
+
+        ObjectPlacement( SGPropertyNode* node,
+                         GroupPtr group ):
+          Placement(node),
           _group(group)
-        {}
+        {
+          // TODO make more generic and extendable for more properties
+          if( node->hasValue("emission") )
+            setEmission( node->getFloatValue("emission") );
+        }
+
+        virtual bool childChanged(SGPropertyNode* node)
+        {
+          if( node->getParent() != _node )
+            return false;
+
+          if( node->getNameString() == "emission" )
+            setEmission( node->getFloatValue() );
+          else
+            return false;
+
+          return true;
+        }
+
+        void setEmission(float emit)
+        {
+          emit = SGMiscf::clip(emit, 0, 1);
+
+          if( !_material )
+          {
+            _material = new osg::Material;
+            _material->setColorMode(osg::Material::OFF);
+            _material->setDataVariance(osg::Object::DYNAMIC);
+            _group->getOrCreateStateSet()
+                  ->setAttribute(_material, ( osg::StateAttribute::ON
+                                            | osg::StateAttribute::OVERRIDE ) );
+          }
+
+          _material->setEmission(
+            osg::Material::FRONT_AND_BACK,
+            osg::Vec4(emit, emit, emit, emit)
+          );
+        }
 
         /**
          * Remove placement from the scene
@@ -249,22 +285,26 @@ class ReplaceStaticTextureVisitor:
         }
 
       private:
-        osg::ref_ptr<osg::Group> _group;
+        GroupPtr            _group;
+        MaterialPtr         _material;
     };
 
     std::string _tex_name,      ///<! Name of texture to be replaced
                 _node_name,     ///<! Only replace if node name matches
                 _parent_name;   ///<! Only replace if any parent node matches
                                 ///   given name (all the tree upwards)
+
+    SGPropertyNode_ptr  _node;
     osg::Texture2D     *_new_texture;
     osg::NodeCallback  *_cull_callback;
 
-    canvas::Placements _placements;
+    simgear::canvas::Placements _placements;
 };
 
 //------------------------------------------------------------------------------
-canvas::Placements FGODGauge::set_texture( const char* name,
-                                           osg::Texture2D* new_texture )
+simgear::canvas::Placements
+FGODGauge::set_texture( const char* name,
+                        osg::Texture2D* new_texture )
 {
   osg::Group* root = globals->get_scenery()->get_aircraft_branch();
   ReplaceStaticTextureVisitor visitor(name, new_texture);
@@ -273,9 +313,10 @@ canvas::Placements FGODGauge::set_texture( const char* name,
 }
 
 //------------------------------------------------------------------------------
-canvas::Placements FGODGauge::set_texture( const SGPropertyNode* placement,
-                                           osg::Texture2D* new_texture,
-                                           osg::NodeCallback* cull_callback )
+simgear::canvas::Placements
+FGODGauge::set_texture( SGPropertyNode* placement,
+                        osg::Texture2D* new_texture,
+                        osg::NodeCallback* cull_callback )
 {
   osg::Group* root = globals->get_scenery()->get_aircraft_branch();
   ReplaceStaticTextureVisitor visitor(placement, new_texture, cull_callback);