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camvox/Voxel.h

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/* Voxel.h - A voxel.
 * Copyright (C) 2008  Take Vos
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
#ifndef VOXEL_H
#define VOXEL_H

#include <stdint.h>

namespace camvox {

class Voxel {
public:
        uint32_t        value;

        Voxel() {
                value = 0;
        }

        Voxel(uint32_t _value) {
                value = _value;
        }

        Voxel(const Voxel &other) {
                value = other.value;
        }

        Voxel &operator=(const Voxel &other) {
                value = other.value;
                return *this;
        }

        bool operator!=(const Voxel &other) const {
                return value != other.value;
        }

        void orLayers(const Voxel &other) {
                value|= other.value;
        }

        void andLayers(const Voxel &other) {
                value&= other.value;
        }

        void xorLayers(const Voxel &other) {
                value^= other.value;
        }

        void setNodeNr(uint32_t node_nr) {
                value = node_nr | 0x80000000;
        }

        void setLayers(uint32_t layers) {
                value = (layers & 0x3fffffff) | 0x40000000;
        }

        void setDontPrune(void) {
                value = 0;
        }

        bool isNodeNr(void) {
                return (value & 0x80000000) == 0x80000000;
        }

        bool isLayers(void) {
                return (value & 0xc0000000) == 0x40000000;
        }

        bool isDontPrune(void) const {
                return value == 0;
        }

        uint32_t getValue(void) const {
                return value;
        }

        uint32_t getNodeNr(void) const {
                return value & 0x7fffffff;
        }

        uint32_t getLayers(void) const {
                return value & 0x3fffffff;
        }
};

}

#endif