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// K-3D
// Copyright (c) 1995-2004, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Romain Behar (romainbehar@yahoo.com)
*/
#include <k3dsdk/imaterial.h>
#include <k3dsdk/irenderman.h>
#include <k3dsdk/material.h>
#include <k3dsdk/material_collection.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_filter.h>
#include <k3dsdk/module.h>
#include <k3dsdk/object.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/plugins.h>
#include <k3dsdk/transform.h>
#include "blobby_polygonizer.h"
namespace libk3dmesh
{
/////////////////////////////////////////////////////////////////////////////
// polygonize_blobbies_implementation
class polygonize_blobbies_implementation :
public k3d::material_collection<k3d::mesh_filter<k3d::persistent<k3d::object> > >
{
typedef k3d::material_collection<k3d::mesh_filter<k3d::persistent<k3d::object> > > base;
public:
polygonize_blobbies_implementation(k3d::idocument& Document) :
base(Document),
m_voxels(k3d::init_name("voxels") + k3d::init_description("Voxels number [integer]") + k3d::init_document(Document) + k3d::init_value(30) + k3d::init_precision(0) + k3d::init_step_increment(1) + k3d::init_constraint(k3d::constraint::minimum(1UL)) + k3d::init_units(typeid(k3d::measurement::scalar)))
{
enable_serialization(k3d::persistence::proxy(m_voxels));
register_property(m_voxels);
m_input_mesh.changed_signal().connect(SigC::slot(*this, &polygonize_blobbies_implementation::on_reset_geometry));
m_material.changed_signal().connect(SigC::slot(*this, &polygonize_blobbies_implementation::on_reset_geometry));
m_voxels.changed_signal().connect(SigC::slot(*this, &polygonize_blobbies_implementation::on_reset_geometry));
m_output_mesh.need_data_signal().connect(SigC::slot(*this, &polygonize_blobbies_implementation::on_create_geometry));
}
void on_reset_geometry()
{
m_output_mesh.reset();
}
k3d::mesh* on_create_geometry()
{
// If we don't have any input mesh, we're done ...
const k3d::mesh* const input = m_input_mesh.property_value();
if(!input)
return 0;
// Otherwise, we convert input mesh polyhedra to blobbies ...
k3d::mesh* const output = new k3d::mesh();
update_geometry(*input, *output);
return output;
}
void update_geometry(const k3d::mesh& Input, k3d::mesh& Output)
{
const unsigned long voxels = m_voxels.property_value();
// Polygonize each blobby ...
for(k3d::mesh::blobbies_t::const_iterator blobby = Input.blobbies.begin(); blobby != Input.blobbies.end(); blobby++)
{
Output.polyhedra.push_back(new k3d::polyhedron());
k3d::polyhedron& polyhedron = *Output.polyhedra.back();
polyhedron.material = m_material.interface();
// Polygonize blobby
detail::vertices_t blobby_vertices;
detail::vertices_t blobby_normals;
detail::polygons_t blobby_polygons;
detail::polygonize_blobby(*blobby, voxels, blobby_vertices, blobby_normals, blobby_polygons);
// Add geometry to the mesh ...
detail::vertices_t::const_iterator vertex = blobby_vertices.begin();
detail::vertices_t::const_iterator normal = blobby_normals.begin();
detail::vertices_t::const_iterator vertices_end = blobby_vertices.end();
for(; vertex != vertices_end; vertex++, normal++)
{
k3d::point* point = new k3d::point(*vertex);
point->vertex_data["N"] = k3d::ri::normal(-(*normal));
Output.points.push_back(point);
}
for(unsigned long i = 0; i != blobby_polygons.size(); ++i)
{
if(!blobby_polygons[i].size())
continue;
k3d::polyhedron::edges_t edges;
for(unsigned long j = 0; j != blobby_polygons[i].size(); ++j)
edges.push_back(new k3d::split_edge(Output.points[blobby_polygons[i][j]]));
for(unsigned long j = 0; j != blobby_polygons[i].size(); ++j)
edges[j]->face_clockwise = edges[(j+1) % blobby_polygons[i].size()];
polyhedron.edges.insert(polyhedron.edges.end(), edges.begin(), edges.end());
polyhedron.faces.push_back(new k3d::face(edges.front()));
}
assert_warning(is_valid(polyhedron));
//assert_warning(is_solid(polyhedron));
}
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<
k3d::document_plugin<polygonize_blobbies_implementation>,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink> > > factory(
k3d::uuid(0x446d652b, 0x938042d6, 0x9f006d66, 0x3cbff023),
"PolygonizeBlobbies",
"Polygonizes blobby implicit surfaces",
"Objects",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_measurement_property(unsigned long, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::with_constraint) m_voxels;
};
/////////////////////////////////////////////////////////////////////////////
// polygonize_blobbies_factory
k3d::iplugin_factory& polygonize_blobbies_factory()
{
return polygonize_blobbies_implementation::get_factory();
}
} // namespace libk3dmesh
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