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// K-3D
// Copyright (c) 1995-2008, 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 "array_helpers.h"
#include <k3d-i18n-config.h>
#include <k3dsdk/bicubic_patch.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/imaterial.h>
#include <k3dsdk/imesh_painter_ri.h>
#include <k3dsdk/node.h>
#include <k3dsdk/renderable_ri.h>
#include <k3dsdk/selection.h>
#include <k3dsdk/utility_gl.h>
#include <boost/scoped_ptr.hpp>
namespace module
{
namespace renderman
{
namespace painters
{
/////////////////////////////////////////////////////////////////////////////
// bicubic_patch_painter
class bicubic_patch_painter :
public k3d::node,
public k3d::ri::imesh_painter
{
typedef k3d::node base;
public:
bicubic_patch_painter(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document)
{
}
void paint_mesh(const k3d::mesh& Mesh, const k3d::ri::render_state& RenderState)
{
for(k3d::mesh::primitives_t::const_iterator primitive = Mesh.primitives.begin(); primitive != Mesh.primitives.end(); ++primitive)
{
boost::scoped_ptr<k3d::bicubic_patch::const_primitive> bicubic_patch(k3d::bicubic_patch::validate(Mesh, **primitive));
if(!bicubic_patch)
continue;
const k3d::mesh::materials_t& patch_materials = bicubic_patch->patch_materials;
const k3d::mesh::indices_t& patch_points = bicubic_patch->patch_points;
const k3d::mesh::points_t& points = *Mesh.points;
const k3d::uint_t patch_begin = 0;
const k3d::uint_t patch_end = patch_begin + (patch_points.size() / 16);
for(k3d::uint_t patch = patch_begin; patch != patch_end; ++patch)
{
array_copier ri_constant_attributes;
ri_constant_attributes.add_arrays(bicubic_patch->constant_attributes);
array_copier ri_uniform_attributes;
ri_uniform_attributes.add_arrays(bicubic_patch->patch_attributes);
array_copier ri_varying_attributes;
ri_varying_attributes.add_arrays(bicubic_patch->parameter_attributes);
array_copier ri_vertex_attributes;
ri_vertex_attributes.add_arrays(bicubic_patch->vertex_attributes);
ri_vertex_attributes.add_array(k3d::ri::RI_P(), points);
const k3d::uint_t point_begin = patch * 16;
const k3d::uint_t point_end = point_begin + 16;
for(k3d::uint_t point = point_begin; point != point_end; ++point)
ri_vertex_attributes.push_back(patch_points[point]);
ri_constant_attributes.push_back(patch);
ri_uniform_attributes.push_back(patch);
ri_varying_attributes.insert(4 * patch, 4 * (patch + 1));
k3d::ri::parameter_list ri_parameters;
ri_constant_attributes.copy_to(k3d::ri::CONSTANT, ri_parameters);
ri_uniform_attributes.copy_to(k3d::ri::UNIFORM, ri_parameters);
ri_varying_attributes.copy_to(k3d::ri::VARYING, ri_parameters);
ri_vertex_attributes.copy_to(k3d::ri::VERTEX, ri_parameters);
k3d::ri::setup_material(patch_materials[patch], RenderState);
// At the moment, we force all bicubic patches to be Bezier ...
RenderState.stream.RiBasis("bezier", 3, "bezier", 3);
RenderState.stream.RiPatchV("bicubic", ri_parameters);
}
}
}
void paint_complete(const k3d::mesh& Mesh, const k3d::ri::render_state& RenderState)
{
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<bicubic_patch_painter, k3d::interface_list<k3d::ri::imesh_painter > > factory(
k3d::uuid(0x64dfefde, 0xeedc4047, 0xb59fc8f6, 0x972a9b86),
"RenderManBicubicPatchPainter",
_("Renders bicubic patches"),
"RenderMan Painter",
k3d::iplugin_factory::STABLE);
return factory;
}
};
/////////////////////////////////////////////////////////////////////////////
// bicubic_patch_painter_factory
k3d::iplugin_factory& bicubic_patch_painter_factory()
{
return bicubic_patch_painter::get_factory();
}
} // namespace painters
} // namespace renderman
} // namespace module
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