# include <windows.h>
#endif
-#include <GL/glut.h>
-#include <simgear/xgl/xgl.h>
+#include GLUT_H
#include <simgear/compiler.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/math/interpolater.hxx>
#include <simgear/math/polar3d.hxx>
-#include <simgear/misc/fgpath.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sky/sky.hxx>
#include <Aircraft/aircraft.hxx>
#include <Main/globals.hxx>
+#include <Main/viewer.hxx>
#include "light.hxx"
#include "sunpos.hxx"
+extern SGSky *thesky; // FIXME: from main.cxx
fgLIGHT cur_light_params;
// initialize lighting tables
void fgLIGHT::Init( void ) {
- FG_LOG( FG_EVENT, FG_INFO,
+ SG_LOG( SG_EVENT, SG_INFO,
"Initializing Lighting interpolation tables." );
// build the path name to the ambient lookup table
- FGPath path( globals->get_fg_root() );
- FGPath ambient = path;
+ SGPath path( globals->get_fg_root() );
+ SGPath ambient = path;
ambient.append( "Lighting/ambient" );
- FGPath diffuse = path;
+ SGPath diffuse = path;
diffuse.append( "Lighting/diffuse" );
- FGPath sky = path;
+ SGPath specular = path;
+ specular.append( "Lighting/specular" );
+ SGPath sky = path;
sky.append( "Lighting/sky" );
// initialize ambient table
// initialize diffuse table
diffuse_tbl = new SGInterpTable( diffuse.str() );
+ // initialize diffuse table
+ specular_tbl = new SGInterpTable( specular.str() );
+
// initialize sky table
sky_tbl = new SGInterpTable( sky.str() );
}
// if the 4th field is 0.0, this specifies a direction ...
GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
// base sky color
- GLfloat base_sky_color[4] = {0.60, 0.60, 0.90, 1.0};
- // base fog color
- GLfloat base_fog_color[4] = {0.90, 0.90, 1.00, 1.0};
- double deg, ambient, diffuse, sky_brightness;
+#if defined (sgi) || defined( macintosh )
+ GLfloat base_sky_color[4] = { 0.252, 0.403, 0.657, 1.0 };
+#else // default
+ GLfloat base_sky_color[4] = { 0.336, 0.406, 0.574, 1.0 };
+#endif
+ GLfloat base_fog_color[4] = { 0.80, 0.83, 1.0, 1.0 };
+ double deg, ambient, diffuse, specular, sky_brightness;
f = current_aircraft.fdm_state;
- FG_LOG( FG_EVENT, FG_INFO, "Updating light parameters." );
+ SG_LOG( SG_EVENT, SG_INFO, "Updating light parameters." );
// calculate lighting parameters based on sun's relative angle to
// local up
- deg = sun_angle * RAD_TO_DEG;
- FG_LOG( FG_EVENT, FG_INFO, " Sun angle = " << deg );
+ // base fog color
+ float *sun_color = thesky->get_sun_color();
+
+ base_fog_color[0] *= (1.25 - sun_color[0]/4.0); // 100% red
+ base_fog_color[1] *= (0.48 + sun_color[1]/1.923); // 40% green
+ base_fog_color[2] *= sun_color[2]; // 0% blue
+
+
+ deg = sun_angle * SGD_RADIANS_TO_DEGREES;
+ SG_LOG( SG_EVENT, SG_INFO, " Sun angle = " << deg );
ambient = ambient_tbl->interpolate( deg );
diffuse = diffuse_tbl->interpolate( deg );
+ specular = specular_tbl->interpolate( deg );
sky_brightness = sky_tbl->interpolate( deg );
- FG_LOG( FG_EVENT, FG_INFO,
+ SG_LOG( SG_EVENT, SG_INFO,
" ambient = " << ambient << " diffuse = " << diffuse
- << " sky = " << sky_brightness );
+ << " specular = " << specular << " sky = " << sky_brightness );
// sky_brightness = 0.15; // used to force a dark sky (when testing)
scene_diffuse[2] = white[2] * diffuse;
scene_diffuse[3] = 1.0;
+ scene_specular[0] = white[0] * specular;
+ scene_specular[1] = white[1] * specular;
+ scene_specular[2] = white[2] * specular;
+ scene_specular[3] = 1.0;
+
// set sky color
sky_color[0] = base_sky_color[0] * sky_brightness;
sky_color[1] = base_sky_color[1] * sky_brightness;
f = current_aircraft.fdm_state;
- FG_LOG( FG_EVENT, FG_DEBUG, "Updating adjusted fog parameters." );
+ SG_LOG( SG_EVENT, SG_DEBUG, "Updating adjusted fog parameters." );
// set fog color (we'll try to match the sunset color in the
// direction we are looking
+ // Do some sanity checking ...
+ if ( sun_rotation < -2.0 * SGD_2PI || sun_rotation > 2.0 * SGD_2PI ) {
+ SG_LOG( SG_EVENT, SG_ALERT, "Sun rotation bad = " << sun_rotation );
+ exit(-1);
+ }
+ if ( f->get_Psi() < -2.0 * SGD_2PI || f->get_Psi() > 2.0 * SGD_2PI ) {
+ SG_LOG( SG_EVENT, SG_ALERT, "Psi rotation bad = " << f->get_Psi() );
+ exit(-1);
+ }
+ if ( globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS < -2.0 * SGD_2PI ||
+ globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS > 2.0 * SGD_2PI ) {
+ SG_LOG( SG_EVENT, SG_ALERT, "current view()->view offset bad = "
+ << globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS );
+ exit(-1);
+ }
+
// first determine the difference between our view angle and local
// direction to the sun
- rotation = -(sun_rotation + SG_PI)
- - (f->get_Psi() - globals->get_current_view()->get_view_offset());
- if ( globals->get_current_view()->get_reverse_view_offset() ) {
- rotation += SG_PI;
- }
+ rotation = -(sun_rotation + SGD_PI)
+ - (f->get_Psi() - globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS);
while ( rotation < 0 ) {
- rotation += SG_2PI;
+ rotation += SGD_2PI;
}
- while ( rotation > SG_2PI ) {
- rotation -= SG_2PI;
+ while ( rotation > SGD_2PI ) {
+ rotation -= SGD_2PI;
}
- rotation *= RAD_TO_DEG;
- // fgPrintf( FG_EVENT, FG_INFO,
+ rotation *= SGD_RADIANS_TO_DEGREES;
+ // fgPrintf( SG_EVENT, SG_INFO,
// " View to sun difference in degrees = %.2f\n", rotation);
// next check if we are in a sunset/sunrise situation
- sun_angle_deg = sun_angle * RAD_TO_DEG;
+ sun_angle_deg = sun_angle * SGD_RADIANS_TO_DEGREES;
if ( (sun_angle_deg > 80.0) && (sun_angle_deg < 100.0) ) {
/* 0.0 - 0.6 */
param1[0] = (10.0 - fabs(90.0 - sun_angle_deg)) / 20.0;
}
+
+
projects / flightgear.git / blobdiff