#include <osg/TexEnv>
#include <osg/TexEnvCombine>
#include <osg/Texture2D>
-#include <osg/TextureCubeMap>
#include <osg/TexMat>
#include <osg/Fog>
using namespace simgear;
using namespace osg;
-#if defined(__MINGW32__)
-#define isnan(x) _isnan(x)
-#endif
-
-// #if defined (__FreeBSD__)
-// # if __FreeBSD_version < 500000
-// extern "C" {
-// inline int isnan(double r) { return !(r <= 0 || r >= 0); }
-// }
-// # endif
-// #endif
-
static osg::ref_ptr<osg::StateSet> layer_states[SGCloudLayer::SG_MAX_CLOUD_COVERAGES];
static osg::ref_ptr<osg::StateSet> layer_states2[SGCloudLayer::SG_MAX_CLOUD_COVERAGES];
-static osg::ref_ptr<osg::TextureCubeMap> cubeMap;
static bool state_initialized = false;
const std::string SGCloudLayer::SG_CLOUD_OVERCAST_STRING = "overcast";
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateSet->setAttributeAndModes(attribFactory->getStandardAlphaFunc());
stateSet->setAttributeAndModes(attribFactory->getStandardBlendFunc());
-
-// osg::Material* material = new osg::Material;
-// material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
-// material->setEmission(osg::Material::FRONT_AND_BACK,
-// osg::Vec4(0.05, 0.05, 0.05, 0));
-// material->setSpecular(osg::Material::FRONT_AND_BACK,
-// osg::Vec4(0, 0, 0, 1));
-// stateSet->setAttribute(material);
-
stateSet->setMode(GL_FOG, osg::StateAttribute::OFF);
- // OSGFIXME: invented by me ...
-// stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
-// stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
-
-// stateSet->setMode(GL_LIGHT0, osg::StateAttribute::OFF);
-
- // If the normal texture is given prepare a bumpmapping enabled state
-// if (normalTexture) {
-// SGPath normalPath(path);
-// normalPath.append(normalTexture);
-// stateSet->setTextureAttribute(2, SGLoadTexture2D(normalPath));
-// stateSet->setTextureMode(2, GL_TEXTURE_2D, osg::StateAttribute::ON);
-// }
-
return stateSet;
}
SG_LOG(SG_ASTRO, SG_INFO, "initializing cloud layers");
- // This bump mapping code was inspired by the tutorial available at
- // http://www.paulsprojects.net/tutorials/simplebump/simplebump.html
- // and a NVidia white paper
- // http://developer.nvidia.com/object/bumpmappingwithregistercombiners.html
- // The normal map textures were generated by the normal map Gimp plugin :
- // http://nifelheim.dyndns.org/~cocidius/normalmap/
- //
- cubeMap = new osg::TextureCubeMap;
- cubeMap->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
- cubeMap->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
- cubeMap->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
- cubeMap->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
- cubeMap->setWrap(osg::Texture::WRAP_R, osg::Texture::CLAMP_TO_EDGE);
-
- const int size = 32;
- const float half_size = 16.0f;
- const float offset = 0.5f;
- osg::Vec3 zero_normal(0.5, 0.5, 0.5);
-
- osg::Image* image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- unsigned char *ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(half_size, -( j + offset - half_size ),
- -( i + offset - half_size ) );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
-
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::POSITIVE_X, image);
-
- image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(-half_size, -( j + offset - half_size ),
- ( i + offset - half_size ) );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
-
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::NEGATIVE_X, image);
-
- image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(( i + offset - half_size ), half_size,
- ( j + offset - half_size ) );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
-
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::POSITIVE_Y, image);
-
- image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(( i + offset - half_size ), -half_size,
- -( j + offset - half_size ) );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
-
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::NEGATIVE_Y, image);
-
- image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(( i + offset - half_size ),
- -( j + offset - half_size ), half_size );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
-
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::POSITIVE_Z, image);
-
- image = new osg::Image;
- image->allocateImage(size, size, 1, GL_RGB, GL_UNSIGNED_BYTE);
- ptr = image->data(0, 0);
- for (int j = 0; j < size; j++ ) {
- for (int i = 0; i < size; i++ ) {
- osg::Vec3 tmp(-( i + offset - half_size ),
- -( j + offset - half_size ), -half_size );
- tmp.normalize();
- tmp = tmp*0.5 - zero_normal;
- *ptr++ = (unsigned char)( tmp[ 0 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 1 ] * 255 );
- *ptr++ = (unsigned char)( tmp[ 2 ] * 255 );
- }
- }
- cubeMap->setImage(osg::TextureCubeMap::NEGATIVE_Z, image);
-
osg::StateSet* state;
state = SGMakeState(texture_path, "overcast.png", "overcast_n.png");
layer_states[SG_CLOUD_OVERCAST] = state;
// lat specifies a rotation about the new Y axis
// spin specifies a rotation about the new Z axis (and orients the
// sunrise/set effects
-bool SGCloudLayer::reposition( const SGVec3f& p, const SGVec3f& up, double lon, double lat,
- double alt, double dt )
+bool SGCloudLayer::reposition( const SGVec3f& p,
+ const SGVec3f& up,
+ double lon,
+ double lat,
+ double alt,
+ double dt )
{
if (getCoverage() != SGCloudLayer::SG_CLOUD_CLEAR)
// this happens, lets just use the last known good course.
// This is a hack, and it would probably be better to make
// calc_gc_course_dist() more robust.
- if ( isnan(course) ) {
+ if ( isNaN(course) ) {
course = last_course;
} else {
last_course = course;
projects / simgear.git / blobdiff