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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 Timothy M. Shead (tshead@k-3d.com)
*/
#include <k3dsdk/axis.h>
#include <k3dsdk/imaterial.h>
#include <k3dsdk/irenderman.h>
#include <k3dsdk/object.h>
#include <k3dsdk/persistence.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_filter.h>
#include <k3dsdk/module.h>
#include <k3dsdk/plugins.h>
#include <k3dsdk/selection.h>
#include <k3dsdk/transform.h>
#include <iterator>
namespace libk3dmesh
{
/////////////////////////////////////////////////////////////////////////////
// sds_crease_implementation
class sds_crease_implementation :
public k3d::mesh_filter<k3d::persistent<k3d::object> >
{
typedef k3d::mesh_filter<k3d::persistent<k3d::object> > base;
public:
sds_crease_implementation(k3d::idocument& Document) :
base(Document),
m_sharpness(k3d::init_name("sharpness") + k3d::init_description("Controls the sharpness of subdivision surface creases [rea]") + k3d::init_document(Document) + k3d::init_value(0.0))
{
enable_serialization(k3d::persistence::proxy(m_sharpness));
register_property(m_sharpness);
m_input_mesh.changed_signal().connect(SigC::slot(*this, &sds_crease_implementation::on_reset_geometry));
m_output_mesh.need_data_signal().connect(SigC::slot(*this, &sds_crease_implementation::on_create_geometry));
m_sharpness.changed_signal().connect(SigC::slot(*this, &sds_crease_implementation::on_reshape_geometry));
}
void on_reset_geometry()
{
m_output_mesh.reset();
}
void on_reshape_geometry()
{
if(m_output_mesh.empty())
return;
const k3d::mesh* const input = m_input_mesh.property_value();
if(!input)
return;
k3d::mesh* const output = const_cast<k3d::mesh*>(m_output_mesh.value());
if(!output)
return;
reshape_geometry(*input, *output);
m_output_mesh.changed_signal().emit();
}
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 make a copy of the input mesh and modify the copy ...
k3d::mesh* const output = new k3d::mesh();
k3d::deep_copy(*input, *output);
reshape_geometry(*input, *output);
return output;
}
void reshape_geometry(const k3d::mesh& Source, k3d::mesh& Target)
{
const k3d::ri::real sharpness = m_sharpness.property_value();
const bool ignore_selection = !k3d::contains_selection(Source);
for(k3d::mesh::polyhedra_t::iterator polyhedron = Target.polyhedra.begin(); polyhedron != Target.polyhedra.end(); ++polyhedron)
{
for(k3d::polyhedron::edges_t::iterator edge = (*polyhedron)->edges.begin(); edge != (*polyhedron)->edges.end(); ++edge)
{
if(ignore_selection || (*edge)->selected)
(*edge)->tags["crease"] = sharpness;
}
}
}
k3d::iplugin_factory& factory()
{
return get_factory();
}
static k3d::iplugin_factory& get_factory()
{
static k3d::plugin_factory<
k3d::document_plugin<sds_crease_implementation>,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_sink > > > factory(
k3d::uuid(0x78b79c12, 0x4c174732, 0xa67d6317, 0x6dbec1fb),
"SDSCrease",
"Adds variable-sharpness creases to SDS surfaces",
"Objects",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_data_property(double, k3d::immutable_name, k3d::change_signal, k3d::with_undo, k3d::local_storage, k3d::no_constraint) m_sharpness;
};
/////////////////////////////////////////////////////////////////////////////
// sds_crease_factory
k3d::iplugin_factory& sds_crease_factory()
{
return sds_crease_implementation::get_factory();
}
} // namespace libk3dmesh
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