Canvas: update for SimGear changes.

[flightgear.git] / src / Canvas / canvas_mgr.cxx

diff --git a/src/Canvas/canvas_mgr.cxx b/src/Canvas/canvas_mgr.cxx
index 113da4f0cf878f660c5aecceb78b7671c72809d6..6646b7762d42b86e39bc22fe15a5eb4010b97407 100644 (file)
--- a/src/Canvas/canvas_mgr.cxx
+++ b/src/Canvas/canvas_mgr.cxx
@@ -18,7 +18,6 @@
 
 #include "canvas_mgr.hxx"
 
-#include <Canvas/FGCanvasSystemAdapter.hxx>
 #include <Cockpit/od_gauge.hxx>
 #include <Main/fg_props.hxx>
 #include <Scripting/NasalModelData.hxx>
@@ -57,11 +56,7 @@ static sc::Placements addSceneObjectPlacement( SGPropertyNode* placement,
 
 //------------------------------------------------------------------------------
 CanvasMgr::CanvasMgr():
-  simgear::canvas::CanvasMgr
-  (
-   fgGetNode("/canvas/by-index", true),
-   sc::SystemAdapterPtr( new canvas::FGCanvasSystemAdapter )
-  ),
+  simgear::canvas::CanvasMgr( fgGetNode("/canvas/by-index", true) ),
   _cb_model_reinit
   (
     this,
@@ -75,6 +70,9 @@ CanvasMgr::CanvasMgr():
 //----------------------------------------------------------------------------
 void CanvasMgr::init()
 {
+  _gui_camera = flightgear::getGUICamera(flightgear::CameraGroup::getDefault());
+  assert(_gui_camera.valid());
+
   sc::Canvas::addPlacementFactory
   (
     "object",
@@ -99,12 +97,17 @@ void CanvasMgr::shutdown()
 
   sc::Canvas::removePlacementFactory("object");
   sc::Canvas::removePlacementFactory("scenery-object");
+
+  _gui_camera = 0;
 }
 
 //------------------------------------------------------------------------------
 unsigned int
 CanvasMgr::getCanvasTexId(const simgear::canvas::CanvasPtr& canvas) const
 {
+  if( !canvas )
+    return 0;
+
   osg::Texture2D* tex = canvas->getTexture();
   if( !tex )
     return 0;
@@ -115,8 +118,9 @@ CanvasMgr::getCanvasTexId(const simgear::canvas::CanvasPtr& canvas) const
 //  if( contexts.empty() )
 //    return 0;
 
-  static osg::Camera* guiCamera =
-    flightgear::getGUICamera(flightgear::CameraGroup::getDefault());
+  osg::ref_ptr<osg::Camera> guiCamera;
+  if( !_gui_camera.lock(guiCamera) )
+    return 0;
 
   osg::State* state = guiCamera->getGraphicsContext()->getState(); //contexts[0]->getState();
   if( !state )
@@ -134,6 +138,5 @@ CanvasMgr::getCanvasTexId(const simgear::canvas::CanvasPtr& canvas) const
 void CanvasMgr::handleModelReinit(SGPropertyNode*)
 {
   for(size_t i = 0; i < _elements.size(); ++i)
-    boost::static_pointer_cast<sc::Canvas>(_elements[i])
-      ->reloadPlacements("object");
+    static_cast<sc::Canvas*>(_elements[i].get())->reloadPlacements("object");
 }