107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
/**
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* $Id: DocumentExporter.cpp 32309 2010-10-05 00:05:14Z jesterking $
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov, Jan Diederich, Tod Liverseed,
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* Nathan Letwory
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include <string>
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#include "COLLADASWColor.h"
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#include "COLLADASWLight.h"
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#include "DNA_lamp_types.h"
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#include "LightExporter.h"
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#include "collada_internal.h"
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template<class Functor>
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void forEachLampObjectInScene(Scene *sce, Functor &f)
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{
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Base *base= (Base*) sce->base.first;
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while(base) {
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Object *ob = base->object;
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if (ob->type == OB_LAMP && ob->data) {
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f(ob);
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}
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base= base->next;
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}
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}
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LightsExporter::LightsExporter(COLLADASW::StreamWriter *sw): COLLADASW::LibraryLights(sw){}
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void LightsExporter::exportLights(Scene *sce)
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{
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openLibrary();
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forEachLampObjectInScene(sce, *this);
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closeLibrary();
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}
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void LightsExporter::operator()(Object *ob)
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{
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Lamp *la = (Lamp*)ob->data;
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std::string la_id(get_light_id(ob));
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std::string la_name(id_name(la));
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COLLADASW::Color col(la->r, la->g, la->b);
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float e = la->energy;
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// sun
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if (la->type == LA_SUN) {
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COLLADASW::DirectionalLight cla(mSW, la_id, la_name, e);
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cla.setColor(col);
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addLight(cla);
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}
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// hemi
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else if (la->type == LA_HEMI) {
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COLLADASW::AmbientLight cla(mSW, la_id, la_name, e);
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cla.setColor(col);
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addLight(cla);
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}
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// spot
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else if (la->type == LA_SPOT) {
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COLLADASW::SpotLight cla(mSW, la_id, la_name, e);
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cla.setColor(col);
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cla.setFallOffAngle(la->spotsize);
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cla.setFallOffExponent(la->spotblend);
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cla.setLinearAttenuation(la->att1);
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cla.setQuadraticAttenuation(la->att2);
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addLight(cla);
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}
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// lamp
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else if (la->type == LA_LOCAL) {
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COLLADASW::PointLight cla(mSW, la_id, la_name, e);
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cla.setColor(col);
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cla.setLinearAttenuation(la->att1);
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cla.setQuadraticAttenuation(la->att2);
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addLight(cla);
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}
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// area lamp is not supported
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// it will be exported as a local lamp
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else {
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COLLADASW::PointLight cla(mSW, la_id, la_name, e);
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cla.setColor(col);
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cla.setLinearAttenuation(la->att1);
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cla.setQuadraticAttenuation(la->att2);
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addLight(cla);
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}
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}
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