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tornavis/source/blender/collada/LightExporter.cpp

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov, Jan Diederich, Tod Liverseed,
* Nathan Letwory
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/collada/LightExporter.cpp
* \ingroup collada
*/
#include <string>
#include "COLLADASWColor.h"
#include "COLLADASWLight.h"
#include "BLI_math.h"
#include "LightExporter.h"
#include "collada_internal.h"
template<class Functor>
void forEachLampObjectInScene(Scene *sce, Functor &f, bool export_selected)
{
Base *base= (Base*) sce->base.first;
while (base) {
Object *ob = base->object;
if (ob->type == OB_LAMP && ob->data && !(export_selected && !(ob->flag & SELECT))) {
f(ob);
}
base= base->next;
}
}
LightsExporter::LightsExporter(COLLADASW::StreamWriter *sw, const ExportSettings *export_settings): COLLADASW::LibraryLights(sw), export_settings(export_settings) {}
void LightsExporter::exportLights(Scene *sce)
{
openLibrary();
forEachLampObjectInScene(sce, *this, this->export_settings->selected);
closeLibrary();
}
void LightsExporter::operator()(Object *ob)
{
Lamp *la = (Lamp*)ob->data;
std::string la_id(get_light_id(ob));
std::string la_name(id_name(la));
COLLADASW::Color col(la->r * la->energy, la->g * la->energy, la->b * la->energy);
float d, constatt, linatt, quadatt;
d = la->dist;
constatt = 1.0f;
if (la->falloff_type==LA_FALLOFF_INVLINEAR) {
linatt = 1.0f / d;
quadatt = 0.0f;
}
else {
linatt = 0.0f;
quadatt = 1.0f / (d * d);
}
// sun
if (la->type == LA_SUN) {
COLLADASW::DirectionalLight cla(mSW, la_id, la_name);
cla.setColor(col, false, "color");
cla.setConstantAttenuation(constatt);
exportBlenderProfile(cla, la);
addLight(cla);
}
// hemi
else if (la->type == LA_HEMI) {
COLLADASW::AmbientLight cla(mSW, la_id, la_name);
cla.setColor(col, false, "color");
cla.setConstantAttenuation(constatt);
exportBlenderProfile(cla, la);
addLight(cla);
}
// spot
else if (la->type == LA_SPOT) {
COLLADASW::SpotLight cla(mSW, la_id, la_name);
cla.setColor(col, false, "color");
cla.setFallOffAngle(la->spotsize, false, "fall_off_angle");
cla.setFallOffExponent(la->spotblend, false, "fall_off_exponent");
cla.setConstantAttenuation(constatt);
cla.setLinearAttenuation(linatt);
cla.setQuadraticAttenuation(quadatt);
exportBlenderProfile(cla, la);
addLight(cla);
}
// lamp
else if (la->type == LA_LOCAL) {
COLLADASW::PointLight cla(mSW, la_id, la_name);
cla.setColor(col, false, "color");
cla.setConstantAttenuation(constatt);
cla.setLinearAttenuation(linatt);
cla.setQuadraticAttenuation(quadatt);
exportBlenderProfile(cla, la);
addLight(cla);
}
// area lamp is not supported
// it will be exported as a local lamp
else {
COLLADASW::PointLight cla(mSW, la_id, la_name);
cla.setColor(col, false, "color");
cla.setConstantAttenuation(constatt);
cla.setLinearAttenuation(linatt);
cla.setQuadraticAttenuation(quadatt);
exportBlenderProfile(cla, la);
addLight(cla);
}
}
bool LightsExporter::exportBlenderProfile(COLLADASW::Light &cla, Lamp *la)
{
cla.addExtraTechniqueParameter("blender", "type", la->type);
cla.addExtraTechniqueParameter("blender", "flag", la->flag);
cla.addExtraTechniqueParameter("blender", "mode", la->mode);
cla.addExtraTechniqueParameter("blender", "gamma", la->k, "blender_gamma");
cla.addExtraTechniqueParameter("blender", "red", la->r);
cla.addExtraTechniqueParameter("blender", "green", la->g);
cla.addExtraTechniqueParameter("blender", "blue", la->b);
cla.addExtraTechniqueParameter("blender", "shadow_r", la->shdwr, "blender_shadow_r");
cla.addExtraTechniqueParameter("blender", "shadow_g", la->shdwg, "blender_shadow_g");
cla.addExtraTechniqueParameter("blender", "shadow_b", la->shdwb, "blender_shadow_b");
cla.addExtraTechniqueParameter("blender", "energy", la->energy, "blender_energy");
cla.addExtraTechniqueParameter("blender", "dist", la->dist, "blender_dist");
cla.addExtraTechniqueParameter("blender", "spotsize", la->spotsize);
cla.addExtraTechniqueParameter("blender", "spotblend", la->spotblend);
cla.addExtraTechniqueParameter("blender", "halo_intensity", la->haint, "blnder_halo_intensity");
cla.addExtraTechniqueParameter("blender", "att1", la->att1);
cla.addExtraTechniqueParameter("blender", "att2", la->att2);
// \todo figure out how we can have falloff curve supported here
cla.addExtraTechniqueParameter("blender", "falloff_type", la->falloff_type);
cla.addExtraTechniqueParameter("blender", "clipsta", la->clipsta);
cla.addExtraTechniqueParameter("blender", "clipend", la->clipend);
cla.addExtraTechniqueParameter("blender", "shadspotsize", la->shadspotsize);
cla.addExtraTechniqueParameter("blender", "bias", la->bias);
cla.addExtraTechniqueParameter("blender", "soft", la->soft);
cla.addExtraTechniqueParameter("blender", "compressthresh", la->compressthresh);
cla.addExtraTechniqueParameter("blender", "bufsize", la->bufsize);
cla.addExtraTechniqueParameter("blender", "samp", la->samp);
cla.addExtraTechniqueParameter("blender", "buffers", la->buffers);
cla.addExtraTechniqueParameter("blender", "filtertype", la->filtertype);
cla.addExtraTechniqueParameter("blender", "bufflag", la->bufflag);
cla.addExtraTechniqueParameter("blender", "buftype", la->buftype);
cla.addExtraTechniqueParameter("blender", "ray_samp", la->ray_samp);
cla.addExtraTechniqueParameter("blender", "ray_sampy", la->ray_sampy);
cla.addExtraTechniqueParameter("blender", "ray_sampz", la->ray_sampz);
cla.addExtraTechniqueParameter("blender", "ray_samp_type", la->ray_samp_type);
cla.addExtraTechniqueParameter("blender", "area_shape", la->area_shape);
cla.addExtraTechniqueParameter("blender", "area_size", la->area_size);
cla.addExtraTechniqueParameter("blender", "area_sizey", la->area_sizey);
cla.addExtraTechniqueParameter("blender", "area_sizez", la->area_sizez);
cla.addExtraTechniqueParameter("blender", "adapt_thresh", la->adapt_thresh);
cla.addExtraTechniqueParameter("blender", "ray_samp_method", la->ray_samp_method);
cla.addExtraTechniqueParameter("blender", "shadhalostep", la->shadhalostep);
cla.addExtraTechniqueParameter("blender", "sun_effect_type", la->shadhalostep);
cla.addExtraTechniqueParameter("blender", "skyblendtype", la->skyblendtype);
cla.addExtraTechniqueParameter("blender", "horizon_brightness", la->horizon_brightness);
cla.addExtraTechniqueParameter("blender", "spread", la->spread);
cla.addExtraTechniqueParameter("blender", "sun_brightness", la->sun_brightness);
cla.addExtraTechniqueParameter("blender", "sun_size", la->sun_size);
cla.addExtraTechniqueParameter("blender", "backscattered_light", la->backscattered_light);
cla.addExtraTechniqueParameter("blender", "sun_intensity", la->sun_intensity);
cla.addExtraTechniqueParameter("blender", "atm_turbidity", la->atm_turbidity);
cla.addExtraTechniqueParameter("blender", "atm_extinction_factor", la->atm_extinction_factor);
cla.addExtraTechniqueParameter("blender", "atm_distance_factor", la->atm_distance_factor);
cla.addExtraTechniqueParameter("blender", "skyblendfac", la->skyblendfac);
cla.addExtraTechniqueParameter("blender", "sky_exposure", la->sky_exposure);
cla.addExtraTechniqueParameter("blender", "sky_colorspace", la->sky_colorspace);
return true;
}
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