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// K-3D
// Copyright (c) 1995-2007, 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 Carlos Andres Dominguez Caballero
* (carlosadc@gmail.com)
*/
#include "md2.h"
#include <k3d-i18n-config.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_reader.h>
#include <k3dsdk/node.h>
#include <k3dsdk/polyhedron.h>
#include <boost/scoped_ptr.hpp>
namespace module
{
namespace md2
{
namespace io
{
/////////////////////////////////////////////////////////////////////////////
// mesh_reader_implementation
class mesh_reader_implementation :
public k3d::mesh_reader<k3d::node >
{
typedef k3d::mesh_reader<k3d::node > base;
public:
mesh_reader_implementation(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_frame(init_owner(*this) + init_name("frame") + init_label(_("Frame")) + init_description(_("Frame of model")) + init_value(0) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar)))
{
m_frame.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::none> >(make_reload_mesh_slot()));
}
void on_load_mesh(const k3d::filesystem::path& Path, k3d::mesh& Output)
{
try
{
Output = k3d::mesh();
boost::scoped_ptr<md2Model> model(new md2Model(Path.native_filesystem_string().c_str()));
const k3d::int32_t frame = m_frame.pipeline_value();
if(frame < 0 || frame >= model->get_num_frames())
throw std::runtime_error("Frame out-of-range.");
const k3d::int32_t vertex_count = model->get_num_vertices();
const k3d::int32_t triangle_count = model->get_num_triangles();
k3d::mesh::points_t& points = Output.points.create(new k3d::mesh::points_t(vertex_count));
k3d::mesh::selection_t& point_selection = Output.point_selection.create(new k3d::mesh::selection_t(vertex_count, 0.0));
for(k3d::int32_t i = 0; i != vertex_count; ++i)
points[i] = model->get_point(frame, i);
boost::scoped_ptr<k3d::polyhedron::primitive> polyhedron(k3d::polyhedron::create(Output));
polyhedron->shell_types.push_back(k3d::polyhedron::POLYGONS);
polyhedron->face_shells.reserve(triangle_count);
polyhedron->face_first_loops.reserve(triangle_count);
polyhedron->face_loop_counts.reserve(triangle_count);
polyhedron->face_selections.reserve(triangle_count);
polyhedron->face_materials.reserve(triangle_count);
polyhedron->loop_first_edges.reserve(triangle_count);
polyhedron->clockwise_edges.reserve(3 * triangle_count);
polyhedron->edge_selections.reserve(3 * triangle_count);
polyhedron->vertex_points.reserve(3 * triangle_count);
polyhedron->vertex_selections.reserve(3 * triangle_count);
for(k3d::int32_t i = 0; i != triangle_count; ++i)
{
polyhedron->face_shells.push_back(0);
polyhedron->face_first_loops.push_back(polyhedron->loop_first_edges.size());
polyhedron->face_loop_counts.push_back(1);
polyhedron->face_selections.push_back(0);
polyhedron->face_materials.push_back(0);
polyhedron->loop_first_edges.push_back(polyhedron->clockwise_edges.size());
for(k3d::uint_t j = 0; j != 3; ++j)
{
polyhedron->clockwise_edges.push_back(polyhedron->clockwise_edges.size() + 1);
polyhedron->edge_selections.push_back(0);
polyhedron->vertex_points.push_back(model->get_index(i, j));
polyhedron->vertex_selections.push_back(0);
}
polyhedron->clockwise_edges.back() = polyhedron->loop_first_edges.back();
}
}
catch(std::exception& e)
{
k3d::log() << error << "Caught exception: " << e.what() << std::endl;
}
catch(...)
{
k3d::log() << error << "Caught unknown exception." << std::endl;
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<mesh_reader_implementation,
k3d::interface_list<k3d::imesh_source,
k3d::interface_list<k3d::imesh_storage> > > factory(
k3d::uuid(0xcd0962b6, 0x3e4a132b, 0x575537a5, 0xc4af7d0a),
"MD2MeshReader",
_("Reader that loads external MD2 (.md2) files into the document by reference"),
"MeshReader",
k3d::iplugin_factory::EXPERIMENTAL);
return factory;
}
private:
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, no_constraint, measurement_property, with_serialization) m_frame;
};
k3d::iplugin_factory& mesh_reader_factory()
{
return mesh_reader_implementation::get_factory();
}
} // namespace io
} // namespace md2
} // namespace module
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