170 lines
5.7 KiB
C++
170 lines
5.7 KiB
C++
/*
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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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/** \file blender/collada/LightExporter.cpp
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* \ingroup collada
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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 "BLI_math.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 forEachLampObjectInExportSet(Scene *sce, Functor &f, LinkNode *export_set)
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{
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LinkNode *node;
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for (node = export_set; node; node = node->next) {
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Object *ob = (Object *)node->link;
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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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}
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}
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LightsExporter::LightsExporter(COLLADASW::StreamWriter *sw, const ExportSettings *export_settings) : COLLADASW::LibraryLights(sw), export_settings(export_settings) {
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}
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void LightsExporter::exportLights(Scene *sce)
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{
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openLibrary();
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forEachLampObjectInExportSet(sce, *this, this->export_settings->export_set);
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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->energy, la->g * la->energy, la->b * la->energy);
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float d, constatt, linatt, quadatt;
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d = la->dist;
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constatt = 1.0f;
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if (la->falloff_type == LA_FALLOFF_INVLINEAR) {
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linatt = 1.0f / d;
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quadatt = 0.0f;
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}
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else {
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linatt = 0.0f;
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quadatt = 1.0f / (d * d);
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}
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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);
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cla.setColor(col, false, "color");
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cla.setConstantAttenuation(constatt);
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exportBlenderProfile(cla, la);
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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);
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cla.setColor(col, false, "color");
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cla.setConstantAttenuation(constatt);
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exportBlenderProfile(cla, la);
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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);
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cla.setColor(col, false, "color");
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cla.setFallOffAngle(RAD2DEGF(la->spotsize), false, "fall_off_angle");
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cla.setFallOffExponent(la->spotblend, false, "fall_off_exponent");
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cla.setConstantAttenuation(constatt);
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cla.setLinearAttenuation(linatt);
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cla.setQuadraticAttenuation(quadatt);
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exportBlenderProfile(cla, la);
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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);
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cla.setColor(col, false, "color");
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cla.setConstantAttenuation(constatt);
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cla.setLinearAttenuation(linatt);
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cla.setQuadraticAttenuation(quadatt);
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exportBlenderProfile(cla, la);
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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);
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cla.setColor(col, false, "color");
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cla.setConstantAttenuation(constatt);
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cla.setLinearAttenuation(linatt);
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cla.setQuadraticAttenuation(quadatt);
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exportBlenderProfile(cla, la);
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addLight(cla);
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}
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}
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bool LightsExporter::exportBlenderProfile(COLLADASW::Light &cla, Lamp *la)
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{
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cla.addExtraTechniqueParameter("blender", "type", la->type);
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cla.addExtraTechniqueParameter("blender", "flag", la->flag);
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cla.addExtraTechniqueParameter("blender", "mode", la->mode);
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cla.addExtraTechniqueParameter("blender", "gamma", la->k, "blender_gamma");
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cla.addExtraTechniqueParameter("blender", "red", la->r);
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cla.addExtraTechniqueParameter("blender", "green", la->g);
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cla.addExtraTechniqueParameter("blender", "blue", la->b);
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cla.addExtraTechniqueParameter("blender", "shadow_r", la->shdwr, "blender_shadow_r");
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cla.addExtraTechniqueParameter("blender", "shadow_g", la->shdwg, "blender_shadow_g");
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cla.addExtraTechniqueParameter("blender", "shadow_b", la->shdwb, "blender_shadow_b");
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cla.addExtraTechniqueParameter("blender", "energy", la->energy, "blender_energy");
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cla.addExtraTechniqueParameter("blender", "dist", la->dist, "blender_dist");
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cla.addExtraTechniqueParameter("blender", "spotsize", RAD2DEGF(la->spotsize));
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cla.addExtraTechniqueParameter("blender", "spotblend", la->spotblend);
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cla.addExtraTechniqueParameter("blender", "att1", la->att1);
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cla.addExtraTechniqueParameter("blender", "att2", la->att2);
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// \todo figure out how we can have falloff curve supported here
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cla.addExtraTechniqueParameter("blender", "falloff_type", la->falloff_type);
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cla.addExtraTechniqueParameter("blender", "clipsta", la->clipsta);
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cla.addExtraTechniqueParameter("blender", "clipend", la->clipend);
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cla.addExtraTechniqueParameter("blender", "bias", la->bias);
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cla.addExtraTechniqueParameter("blender", "soft", la->soft);
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cla.addExtraTechniqueParameter("blender", "bufsize", la->bufsize);
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cla.addExtraTechniqueParameter("blender", "samp", la->samp);
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cla.addExtraTechniqueParameter("blender", "buffers", la->buffers);
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cla.addExtraTechniqueParameter("blender", "area_shape", la->area_shape);
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cla.addExtraTechniqueParameter("blender", "area_size", la->area_size);
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cla.addExtraTechniqueParameter("blender", "area_sizey", la->area_sizey);
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cla.addExtraTechniqueParameter("blender", "area_sizez", la->area_sizez);
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return true;
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}
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