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#include <BALL/VIEW/KERNEL/stage.h>
#include <BALL/MATHS/plane3.h>
#include <BALL/MATHS/analyticalGeometry.h>
using std::endl;
namespace BALL
{
namespace VIEW
{
LightSource::LightSource()
: position_(),
direction_(0, 0, -1),
attenuation_(1., 0., 0.),
angle_(10),
intensity_(0.8),
color_(255, 255, 255, 255),
type_(1),
relative_(true)
{
}
LightSource::LightSource(const LightSource& light_source)
: position_(light_source.position_),
direction_(light_source.direction_),
attenuation_(light_source.attenuation_),
angle_(light_source.angle_),
intensity_(light_source.intensity_),
color_(light_source.color_),
type_(light_source.type_),
relative_(light_source.relative_)
{
}
LightSource& LightSource::operator = (const LightSource& light)
{
position_ = light.position_;
direction_ = light.direction_;
attenuation_ = light.attenuation_;
angle_ = light.angle_,
intensity_ = light.intensity_;
color_ = light.color_,
type_ = light.type_;
relative_ = light.relative_;
return *this;
}
bool LightSource::operator == (const LightSource& light_source) const
{
return position_ == light_source.position_ &&
direction_ == light_source.direction_ &&
attenuation_ == light_source.attenuation_ &&
angle_ == light_source.angle_ &&
intensity_ == light_source.intensity_ &&
color_ == light_source.color_ &&
type_ == light_source.type_ &&
relative_ == light_source.relative_;
}
bool LightSource::operator < (const LightSource& light) const
{
return this < &light;
}
void LightSource::dump(std::ostream& s, Size depth) const
{
BALL_DUMP_STREAM_PREFIX(s);
BALL_DUMP_DEPTH(s, depth);
BALL_DUMP_HEADER(s, this, this);
BALL_DUMP_DEPTH(s, depth);
s << "Position : " << position_ << std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Direction : " << direction_<< std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Attenuation : " << attenuation_<< std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Angle : " << angle_ << std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Intensity : " << intensity_ << std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Color : " << color_ << std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Type : " << type_ << std::endl;
BALL_DUMP_DEPTH(s, depth);
s << "Relative : " << relative_ << std::endl;
BALL_DUMP_STREAM_SUFFIX(s);
}
Stage::Material::Material()
: PersistentObject(),
ambient_color(ColorRGBA(255, 255, 255, 255)),
ambient_intensity(0.),
specular_color(ColorRGBA(255, 255, 255, 255)),
specular_intensity(1.),
reflective_color(ColorRGBA(255, 255, 255, 255)),
reflective_intensity(0.),
shininess(60.),
transparency(0.)
{
}
void Stage::Material::persistentWrite(PersistenceManager& pm, const char* name) const
{
pm.writeObjectHeader(this, name);
// ambient
pm.writePrimitive((String)ambient_color, "ambient_color_");
pm.writePrimitive(ambient_intensity, "ambient_intensity_");
// specular
pm.writePrimitive((String)specular_color, "specular_color_");
pm.writePrimitive(specular_intensity, "specular_intensity_");
// reflective
pm.writePrimitive((String)reflective_color, "reflective_color_");
pm.writePrimitive(reflective_intensity, "reflective_intensity_");
pm.writePrimitive(shininess, "shininess_");
pm.writePrimitive(transparency, "transparency_");
pm.writeObjectTrailer(name);
}
void Stage::Material::persistentRead(PersistenceManager& pm)
{
String color;
// ambient
pm.readPrimitive(color, "ambient_color_");
ambient_color.set(color);
pm.readPrimitive(ambient_intensity, "ambient_intensity_");
// specular
pm.readPrimitive(color, "specular_color_");
specular_color.set(color);
pm.readPrimitive(specular_intensity, "specular_intensity_");
// reflective
pm.readPrimitive(color, "reflective_color_");
reflective_color.set(color);
pm.readPrimitive(reflective_intensity, "reflective_intensity_");
pm.readPrimitive(shininess, "shininess_");
pm.readPrimitive(transparency, "transparency_");
}
Stage::Stage()
: background_color_(ColorRGBA(1.,1.,1.,1.)),
info_color_(0, 0, 255, 255),
light_sources_(),
camera_(),
show_coordinate_system_(false),
fog_intensity_(0),
eye_distance_(2.0),
focal_distance_(40),
swap_side_by_side_stereo_(false)
{}
Stage::Stage(const Stage& stage)
: background_color_(stage.background_color_),
light_sources_(stage.light_sources_),
camera_(stage.camera_),
show_coordinate_system_(false),
fog_intensity_(stage.fog_intensity_),
eye_distance_(stage.eye_distance_),
focal_distance_(stage.focal_distance_),
swap_side_by_side_stereo_(stage.swap_side_by_side_stereo_),
material_(stage.material_)
{
}
void Stage::clear()
{
background_color_.clear();
light_sources_.clear();
camera_ = Camera();
show_coordinate_system_ = false;
eye_distance_ = 2.0;
focal_distance_ = 40;
swap_side_by_side_stereo_ = false;
fog_intensity_ = 0;
material_ = Material();
}
bool Stage::operator == (const Stage& stage) const
{
return light_sources_ == stage.light_sources_ &&
camera_ == stage.camera_ &&
background_color_ == stage.background_color_ &&
show_coordinate_system_ == stage.show_coordinate_system_ &&
eye_distance_ == stage.eye_distance_ &&
focal_distance_ == stage.focal_distance_ &&
swap_side_by_side_stereo_== stage.swap_side_by_side_stereo_;
}
void Stage::dump(std::ostream& s, Size depth) const
{
BALL_DUMP_STREAM_PREFIX(s);
BALL_DUMP_DEPTH(s, depth);
BALL_DUMP_HEADER(s, this, this);
BALL_DUMP_DEPTH(s, depth);
s << "Light sources: -------------------------------" << endl;
list<LightSource>::const_iterator it = light_sources_.begin();
for (; it != light_sources_.end(); it++)
{
it->dump(s, depth + 1);
}
BALL_DUMP_DEPTH(s, depth);
s << "Camera: ---------------------------------------" << endl;
camera_.dump(s, depth);
BALL_DUMP_DEPTH(s, depth);
s << "Background color: " << background_color_ << endl;
BALL_DUMP_DEPTH(s, depth);
s << "Show coordinate system: " << show_coordinate_system_ << endl;
BALL_DUMP_DEPTH(s, depth);
s << "Fog intensity: " << fog_intensity_ << endl;
BALL_DUMP_DEPTH(s, depth);
s << "Eye distance : " << eye_distance_<< endl;
BALL_DUMP_DEPTH(s, depth);
s << "Focal width: " << focal_distance_<< endl;
BALL_DUMP_DEPTH(s, depth);
s << "Swap side by side: " << swap_side_by_side_stereo_ << endl;
BALL_DUMP_STREAM_SUFFIX(s);
}
Vector3 Stage::calculateRelativeCoordinates(Vector3 pos) const
{
// relative in units of right_vector , look_up_vector , view_vector
// by calculating the normals to three planes
// make sure the three planes are far enough, to be always on one side of them
const float d = 1000000.0;
try
{
Vector3 dr(camera_.getRightVector() * d);
Vector3 dv(camera_.getViewVector());
dv.normalize();
dv *= d;
Vector3 du(camera_.getLookUpVector() * d);
// calculate the planes
const Plane3 plane_rv(dr, dr);
const Plane3 plane_uv(du, du);
const Plane3 plane_vv(dv, dv);
// distance of the destion of the light source from the three planes
Vector3 result(
GetDistance(plane_rv, pos),
GetDistance(plane_uv, pos),
GetDistance(plane_vv, pos));
result -= Vector3(d);
return -result;
}
catch(...)
{
Log.error() << "Could not calculate relative light coordinates, degenerated view vectors." << std::endl;
}
return Vector3(1.0);
}
Vector3 Stage::calculateAbsoluteCoordinates(Vector3 pos) const
{
try
{
Vector3 dv(camera_.getViewVector());
dv.normalize();
return (pos.x * camera_.getRightVector() +
pos.y * camera_.getLookUpVector() +
pos.z * dv);
}
catch(...)
{
Log.error() << "Could not calculate absolute light coordinates, degenerated view vectors." << std::endl;
}
return Vector3(1.0);
}
void Stage::addLightSource(const LightSource& light_source)
{
light_sources_.push_back(light_source);
}
void Stage::removeLightSource(const LightSource& light_source)
{
list<LightSource>::iterator it = light_sources_.begin();
for (; it != light_sources_.end(); it++)
{
if (&*it == &light_source)
{
light_sources_.erase(it);
return;
}
}
}
void Stage::clearLightSources()
{
light_sources_.clear();
}
} // namespace VIEW
} // namespace BALL
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