Merge branch 'next' into durk-atc

src/Environment/environment_mgr.cxx

@@ -47,6 +47,42 @@
 class SGSky;
 extern SGSky *thesky;
 
+class FG3DCloudsListener : public SGPropertyChangeListener {
+public:
+  FG3DCloudsListener( FGClouds * fgClouds );
+  virtual ~FG3DCloudsListener();
+
+  virtual void valueChanged (SGPropertyNode * node);
+
+private:
+  FGClouds * _fgClouds;
+  SGPropertyNode_ptr _shaderNode;
+  SGPropertyNode_ptr _enableNode;
+};
+
+FG3DCloudsListener::FG3DCloudsListener( FGClouds * fgClouds ) :
+    _fgClouds( fgClouds ) 
+{
+  _shaderNode = fgGetNode( "/sim/rendering/shader-effects", true );
+  _shaderNode->addChangeListener( this );
+
+  _enableNode = fgGetNode( "/sim/rendering/clouds3d-enable", true );
+  _enableNode->addChangeListener( this );
+
+  valueChanged( _enableNode );
+}
+
+FG3DCloudsListener::~FG3DCloudsListener()
+{
+  _enableNode->removeChangeListener( this );
+  _shaderNode->removeChangeListener( this );
+}
+
+void FG3DCloudsListener::valueChanged( SGPropertyNode * node )
+{
+  _fgClouds->set_3dClouds( _enableNode->getBoolValue() && _shaderNode->getBoolValue() );
+}
+
 FGEnvironmentMgr::FGEnvironmentMgr () :
   _environment(new FGEnvironment()),
   fgClouds(new FGClouds()),
@@ -54,7 +90,8 @@ FGEnvironmentMgr::FGEnvironmentMgr () :
   _altitude_n(fgGetNode("/position/altitude-ft", true)),
   _longitude_n(fgGetNode( "/position/longitude-deg", true )),
   _latitude_n( fgGetNode( "/position/latitude-deg", true )),
-  _positionTimeToLive(0.0)
+  _positionTimeToLive(0.0),
+  _3dCloudsEnableListener(new FG3DCloudsListener(fgClouds) )
 {
   set_subsystem("controller", Environment::LayerInterpolateController::createInstance( fgGetNode("/environment/config", true ) ));
   set_subsystem("realwx", Environment::RealWxController::createInstance( fgGetNode("/environment/realwx", true ) ), 1.0 );
@@ -90,6 +127,8 @@ FGEnvironmentMgr::~FGEnvironmentMgr ()
 
   delete fgClouds;
   delete _environment;
+
+  delete _3dCloudsEnableListener;
 }
 
 void
@@ -172,10 +211,6 @@ FGEnvironmentMgr::bind ()
 
   _tiedProperties.setRoot( fgGetNode("/sim/rendering", true ) );
 
-  _tiedProperties.Tie( "clouds3d-enable", fgClouds,
-          &FGClouds::get_3dClouds,
-          &FGClouds::set_3dClouds);
-
   _tiedProperties.Tie( "clouds3d-density", thesky,
           &SGSky::get_3dCloudDensity,
           &SGSky::set_3dCloudDensity);

src/Environment/environment_mgr.hxx

@@ -100,6 +100,7 @@ private:
   SGPropertyNode_ptr _latitude_n;
   double _positionTimeToLive;
   simgear::TiedPropertyList _tiedProperties;
+  SGPropertyChangeListener * _3dCloudsEnableListener;
 };
 
 #endif // _ENVIRONMENT_MGR_HXX

src/Main/WindowBuilder.cxx

@@ -53,12 +53,8 @@ WindowBuilder::makeDefaultTraits(bool stencil)
     GraphicsContext::WindowingSystemInterface* wsi
         = osg::GraphicsContext::getWindowingSystemInterface();
     GraphicsContext::Traits* traits = new osg::GraphicsContext::Traits;
+
     traits->readDISPLAY();
-
-    unsigned screenwidth = 0;
-    unsigned screenheight = 0;
-    wsi->getScreenResolution(*traits, screenwidth, screenheight);
-
     if (traits->displayNum < 0)
         traits->displayNum = 0;
     if (traits->screenNum < 0)
@@ -76,6 +72,10 @@ WindowBuilder::makeDefaultTraits(bool stencil)
     if (stencil)
         traits->stencil = 8;
 
+    unsigned screenwidth = 0;
+    unsigned screenheight = 0;
+    wsi->getScreenResolution(*traits, screenwidth, screenheight);
+
     traits->doubleBuffer = true;
     traits->mipMapGeneration = true;
     traits->windowName = "FlightGear";

src/Main/main.cxx

@@ -612,16 +612,17 @@ int fgMainInit( int argc, char **argv ) {
     fgInitFGRoot(argc, argv);
 
     // Check for the correct base package version
-    static char required_version[] = "2.0.0";
+    static char required_version[] = "2.3.0";
     string base_version = fgBasePackageVersion();
     if ( !(base_version == required_version) ) {
         // tell the operator how to use this application
 
         SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on windows
-        cerr << endl << "Base package check failed ... " \
-             << "Found version " << base_version << " at: " \
-             << globals->get_fg_root() << endl;
-        cerr << "Please upgrade to version: " << required_version << endl;
+        cerr << endl << "Base package check failed:" << endl \
+             << "  Version " << base_version << " found at: " \
+             << globals->get_fg_root() << endl \
+             << "  Version " << required_version << " is required." << endl \ 
+             << "Please upgrade/downgrade base package." << endl;
 #ifdef _MSC_VER
         cerr << "Hit a key to continue..." << endl;
         cin.get();

src/Time/light.cxx

@@ -77,6 +77,7 @@ FGLight::FGLight ()
       _adj_fog_color(0, 0, 0, 0),
       _adj_sky_color(0, 0, 0, 0),
       _saturation(1.0),
+      _scattering(0.8),
       _dt_total(0)
 {
 }
@@ -140,8 +141,13 @@ void FGLight::reinit () {
 
 void FGLight::bind () {
     SGPropertyNode *prop = globals->get_props();
-    prop->tie("/sim/time/sun-angle-rad",SGRawValuePointer<double>(&_sun_angle));
+
+    // Write Only
     prop->tie("/rendering/scene/saturation",SGRawValuePointer<float>(&_saturation));
+    prop->tie("/rendering/scene/scattering",SGRawValuePointer<float>(&_scattering));
+
+    // Read Only
+    prop->tie("/sim/time/sun-angle-rad",SGRawValuePointer<double>(&_sun_angle));
     prop->tie("/rendering/scene/ambient/red",SGRawValuePointer<float>(&_scene_ambient[0]));
     prop->tie("/rendering/scene/ambient/green",SGRawValuePointer<float>(&_scene_ambient[1]));
     prop->tie("/rendering/scene/ambient/blue",SGRawValuePointer<float>(&_scene_ambient[2]));
@@ -170,8 +176,11 @@ void FGLight::bind () {
 
 void FGLight::unbind () {
     SGPropertyNode *prop = globals->get_props();
-    prop->untie("/sim/time/sun-angle-rad");
     prop->untie("/rendering/scene/saturation");
+    prop->untie("/rendering/scene/scattering");
+    prop->untie("/environment/relative-humidity");
+
+    prop->untie("/sim/time/sun-angle-rad");
     prop->untie("/rendering/scene/ambient/red");
     prop->untie("/rendering/scene/ambient/green");
     prop->untie("/rendering/scene/ambient/blue");
@@ -224,6 +233,8 @@ void FGLight::update_sky_color () {
 
     if (_saturation < 0.0) _saturation = 0.0;
     else if (_saturation > 1.0) _saturation = 1.0;
+    if (_scattering < 0.0) _scattering = 0.0;
+    else if (_scattering > 1.0) _scattering = 1.0;
 
     float ambient = _ambient_tbl->interpolate( deg ) + visibility_inv/10;
     float diffuse = _diffuse_tbl->interpolate( deg );
@@ -242,7 +253,7 @@ void FGLight::update_sky_color () {
     // sky_brightness = 0.15;  // used to force a dark sky (when testing)
 
     // set fog and cloud color
-    float sqrt_sky_brightness = 1.0 - sqrt(1.0 - sky_brightness);
+    float sqrt_sky_brightness = (1.0 - sqrt(1.0 - sky_brightness))*_scattering;
     _fog_color[0] = base_fog_color[0] * sqrt_sky_brightness;
     _fog_color[1] = base_fog_color[1] * sqrt_sky_brightness;
     _fog_color[2] = base_fog_color[2] * sqrt_sky_brightness;
@@ -373,11 +384,10 @@ void FGLight::update_adj_fog_color () {
        sif = 1e-4;
 
     float rf1 = fabs((hor_rotation - SGD_PI) / SGD_PI);		// 0.0 .. 1.0
-    float rf2 = avf * pow(rf1*rf1, 1/sif) * 1.0639 * _saturation;
+    float rf2 = avf * pow(rf1*rf1, 1/sif) * 1.0639 * _saturation * _scattering;
     float rf3 = 1.0 - rf2;
 
     gamma = system_gamma * (0.9 - sif*avf);
-
     _adj_fog_color[0] = rf3 * _fog_color[0] + rf2 * s_red;
     _adj_fog_color[1] = rf3 * _fog_color[1] + rf2 * s_green;
     _adj_fog_color[2] = rf3 * _fog_color[2] + rf2 * s_blue;
@@ -399,23 +409,19 @@ void FGLight::updateSunPos()
     SG_LOG( SG_EVENT, SG_DEBUG, "  Updating Sun position" );
     SG_LOG( SG_EVENT, SG_DEBUG, "  Gst = " << t->getGst() );
 
-    double sun_l;
-    double sun_gc_lat;
-    fgSunPositionGST(t->getGst(), &sun_l, &sun_gc_lat);
-    set_sun_lon(sun_l);
+    fgSunPositionGST(t->getGst(), &_sun_lon, &_sun_lat);
     // It might seem that sun_gc_lat needs to be converted to geodetic
     // latitude here, but it doesn't. The sun latitude is the latitude
     // of the point on the earth where the up vector has the same
     // angle from geocentric Z as the sun direction. But geodetic
     // latitude is defined as 90 - angle of up vector from Z!
-    set_sun_lat(sun_gc_lat);
-    SGVec3d sunpos(SGVec3d::fromGeoc(SGGeoc::fromRadM(sun_l, sun_gc_lat,
+    SGVec3d sunpos(SGVec3d::fromGeoc(SGGeoc::fromRadM(_sun_lon, _sun_lat,
                                                       SGGeodesy::EQURAD)));
 
     SG_LOG( SG_EVENT, SG_DEBUG, "    t->cur_time = " << t->get_cur_time() );
     SG_LOG( SG_EVENT, SG_DEBUG,
-            "    Sun Geocentric lat = " << sun_gc_lat
-            << " Geodcentric lat = " << sun_gc_lat );
+            "    Sun Geocentric lat = " << _sun_lat
+            << " Geodcentric lat = " << _sun_lat );
 
     // update the sun light vector
     sun_vec() = SGVec4f(toVec3f(normalize(sunpos)), 0);
@@ -431,15 +437,16 @@ void FGLight::updateSunPos()
     // cout << "nsun = " << nsun[0] << "," << nsun[1] << ","
     //      << nsun[2] << endl;
 
-    set_sun_angle( acos( dot ( world_up, nsun ) ) );
+    _sun_angle = acos( dot ( world_up, nsun ) );
     SG_LOG( SG_EVENT, SG_DEBUG, "sun angle relative to current location = "
             << get_sun_angle() );
 
     // Get direction to the sun in the local frame.
     SGVec3d local_sun_vec = hlOr.transform(nsun);
+
     // Angle from south. XXX Is this correct in the southern hemisphere?
-    double angle = atan2(local_sun_vec.x(), -local_sun_vec.y());
-    set_sun_rotation(angle);
-    // cout << "  Sky needs to rotate = " << angle << " rads = "
-    //      << angle * SGD_RADIANS_TO_DEGREES << " degrees." << endl;
+    _sun_rotation = atan2(local_sun_vec.x(), -local_sun_vec.y());
+
+    // cout << "  Sky needs to rotate = " << _sun_rotation << " rads = "
+    //      << _sun_rotation * SGD_RADIANS_TO_DEGREES << " degrees." << endl;
 }

src/Time/light.hxx

@@ -96,7 +96,10 @@ private:
     // clear sky and fog color adjusted for sunset effects
     SGVec4f _adj_fog_color;
     SGVec4f _adj_sky_color;
+
+    // input parameters affected by the weather system
     float _saturation;
+    float _scattering;
 
     double _dt_total;
 

utils/fgpanel/FGGLApplication.cxx

@@ -21,12 +21,19 @@
 #endif
 
 #include "FGGLApplication.hxx"
+#include <simgear/compiler.h>
+
 #ifdef HAVE_WINDOWS_H
 #include <windows.h>
 #define snprintf sprintf_s
 #endif
+#if defined (SG_MAC)
+#include <OpenGL/gl.h>
+#include <GLUT/glut.h>
+#else
 #include <GL/gl.h>
 #include <GL/glut.h>
+#endif
 
 #include <iostream>
 #include <exception>

utils/fgpanel/FGPNGTextureLoader.cxx

@@ -22,7 +22,11 @@
 #endif
 #include "FGPNGTextureLoader.hxx"
 
-#include <GL/glu.h>
+#if defined (SG_MAC)
+#include <GLUT/glut.h>
+#else
+#include <GL/glut.h>
+#endif
 #include <png.h>
 #include <stdio.h>
 #include <stdlib.h>

utils/fgpanel/FGPanelApplication.cxx

@@ -26,8 +26,13 @@
 
 #include "FGGLApplication.hxx"
 #include "FGPanelApplication.hxx"
+#if defined (SG_MAC)
+#include <OpenGL/gl.h>
+#include <GLUT/glut.h>
+#else
 #include <GL/gl.h>
 #include <GL/glut.h>
+#endif
 
 #include <simgear/math/SGMisc.hxx>
 #include <simgear/misc/sg_path.hxx>

utils/fgpanel/FGRGBTextureLoader.cxx

@@ -26,8 +26,13 @@
 #endif
 
 #include "FGRGBTextureLoader.hxx"
+#if defined (SG_MAC)
+#include <OpenGL/gl.h>
+#include <GLUT/glut.h>
+#else
 #include <GL/gl.h>
-#include <GL/glu.h>
+#include <GL/glut.h>
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>

utils/fgpanel/FGTextureLoaderInterface.hxx

@@ -17,8 +17,12 @@
 //
 #ifndef __FGTEXTURELOADERINTERFACE_HXX
 #define __FGTEXTURELOADERINTERFACE_HXX
-
+#include <simgear/compiler.h>
+#if defined (SG_MAC)
+#include <OpenGL/gl.h>
+#else
 #include <GL/gl.h>
+#endif
 #include <string>
 class FGTextureLoaderInterface {
 public:

utils/fgpanel/panel.cxx

@@ -31,7 +31,11 @@
 
 #include <simgear/compiler.h>
 
+#if defined (SG_MAC)
+#include <GLUT/glut.h>
+#else
 #include <GL/glut.h>
+#endif
 
 #include <plib/fnt.h>