voxel_grob.h

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/*
 *  OGF/Graphite: Geometry and Graphics Programming Library + Utilities
 *  Copyright (C) 2000-2009 INRIA - Project ALICE
 *
 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  If you modify this software, you should include a notice giving the
 *  name of the person performing the modification, the date of modification,
 *  and the reason for such modification.
 *
 *  Contact: Bruno Levy - levy@loria.fr
 *
 *     Project ALICE
 *     LORIA, INRIA Lorraine,
 *     Campus Scientifique, BP 239
 *     54506 VANDOEUVRE LES NANCY CEDEX
 *     FRANCE
 *
 *  Note that the GNU General Public License does not permit incorporating
 *  the Software into proprietary programs.
 *
 * As an exception to the GPL, Graphite can be linked
 *  with the following (non-GPL) libraries:
 *     Qt, SuperLU, WildMagic and CGAL
 */
 
 
#ifndef H_OGF_GRAPHITE_VOXEL_VOXEL_GROB_H
#define H_OGF_GRAPHITE_VOXEL_VOXEL_GROB_H
 
#include <OGF/voxel/common/common.h>
#include <OGF/scene_graph/grob/grob.h>
#include <geogram/basic/attributes.h>
 
namespace OGF {
 
    gom_class VOXEL_API VoxelGrob : public Grob {
    public:
        VoxelGrob(CompositeGrob* parent);
 
        const vec3& origin() const {
            return origin_;
        }
 
        const vec3& U() const {
            return U_;
        }
 
        const vec3& V() const {
            return V_;
        }
 
        const vec3& W() const {
            return W_;
        }
 
        index_t nu() const {
            return nu_;
        }
 
        index_t nv() const {
            return nv_;
        }
 
        index_t nw() const {
            return nw_;
        }
 
        void resize(index_t nu, index_t nv, index_t nw);
 
        void set_box(
            const vec3& origin, const vec3& U, const vec3& V, const vec3& W
        );
 
        index_t linear_index(index_t u, index_t v, index_t w) const {
            geo_debug_assert(u < nu());
            geo_debug_assert(v < nv());
            geo_debug_assert(w < nw());
            return u + nu_ * (v + nv_ * w);
        }
 
        void clear() override;
 
        Grob* duplicate(SceneGraph* sg) override;
 
        bool is_serializable() const override;
 
        bool serialize_read(InputGraphiteFile& geofile) override;
 
        bool serialize_write(OutputGraphiteFile& geofile) override;
 
 
    gom_properties:
 
        std::string get_displayable_attributes() const;
 
 
 
    public:
        void update() override;
 
 
        Box3d bbox() const override;
 
        static VoxelGrob* find_or_create(
            SceneGraph* sg, const std::string& name
        );
 
        static VoxelGrob* find(SceneGraph* sg, const std::string& name);
 
        AttributesManager& attributes() const {
            return const_cast<AttributesManager&>(attributes_);
        }
 
    private:
        AttributesManager attributes_;
        index_t nu_;
        index_t nv_;
        index_t nw_;
        vec3 origin_;
        vec3 U_;
        vec3 V_;
        vec3 W_;
    };
 
    typedef Name<VoxelGrob*> VoxelGrobName;
 
    typedef Name<VoxelGrob*,true> NewVoxelGrobName;
}
#endif