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/*
* $Id$
*
* ***** 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 GeometryExporter.h
* \ingroup collada
*/
#ifndef __GEOMETRYEXPORTER_H__
#define __GEOMETRYEXPORTER_H__
#include <string>
#include <vector>
#include <set>
#include "COLLADASWStreamWriter.h"
#include "COLLADASWLibraryGeometries.h"
#include "COLLADASWInputList.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "ExportSettings.h"
// TODO: optimize UV sets by making indexed list with duplicates removed
class GeometryExporter : COLLADASW::LibraryGeometries
{
struct Face
{
unsigned int v1, v2, v3, v4;
};
struct Normal
{
float x, y, z;
};
Scene *mScene;
public:
GeometryExporter(COLLADASW::StreamWriter *sw, const ExportSettings *export_settings);
void exportGeom(Scene *sce);
void operator()(Object *ob);
// powerful because it handles both cases when there is material and when there's not
void createPolylist(short material_index,
bool has_uvs,
bool has_color,
Object *ob,
std::string& geom_id,
std::vector<Face>& norind);
// creates <source> for positions
void createVertsSource(std::string geom_id, Mesh *me);
void createVertexColorSource(std::string geom_id, Mesh *me);
std::string makeTexcoordSourceId(std::string& geom_id, int layer_index);
//creates <source> for texcoords
void createTexcoordsSource(std::string geom_id, Mesh *me);
//creates <source> for normals
void createNormalsSource(std::string geom_id, Mesh *me, std::vector<Normal>& nor);
void create_normals(std::vector<Normal> &nor, std::vector<Face> &ind, Mesh *me);
std::string getIdBySemantics(std::string geom_id, COLLADASW::InputSemantic::Semantics type, std::string other_suffix = "");
COLLADASW::URI getUrlBySemantics(std::string geom_id, COLLADASW::InputSemantic::Semantics type, std::string other_suffix = "");
COLLADASW::URI makeUrl(std::string id);
/* int getTriCount(MFace *faces, int totface);*/
private:
std::set<std::string> exportedGeometry;
const ExportSettings *export_settings;
};
struct GeometryFunctor {
// f should have
// void operator()(Object* ob)
template<class Functor>
void forEachMeshObjectInScene(Scene *sce, Functor &f, bool export_selected)
{
Base *base= (Base*) sce->base.first;
while(base) {
Object *ob = base->object;
if (ob->type == OB_MESH && ob->data
&& !(export_selected && !(ob->flag && SELECT))
&& ((sce->lay & ob->lay)!=0)) {
f(ob);
}
base= base->next;
}
}
};
#endif
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