/*
 *      Gem-graph OpenGL experiments
 *
 *      Desc: OpenGL utils header
 *
 *  Copyright (C) 2023 Adrien Bourmault <neox@a-lec.org>
 *  Copyright (C) 2023 Jean Sirmai <jean@a-lec.org>
 *
 *  This file is part of Gem-graph.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once
#include <unistd.h>
#include <stdbool.h>
#include <GL/glu.h>

void write_space_ridges (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z);

void write_space_faces_grids (long offset_vertex, long offset_colors, long offset_lines, long x, long y, long z, int style);

/*
 *  Writes grid lines intersections to vertex and color buffers
 *
 *  @param  coords long (x,y,z)
 *
 *  @return void
 */
void grid_write_intersections (long x, long y, long z);

/*
 *  Writes grid ridges to vertex and color buffers
 *
 *  @param  coords long (x,y,z), step_x, step_y, step_z
 *
 *  @return void
 */
void grid_write_ridges (long x, long y, long z);

/*
 *  Writes marks (each space unit) along space ridges
 *
 *  @param  coords long (x,y,z) // , step_x, step_y, step_z
 *
 *  @return void
 */
void grid_write_marks (long x, long y, long z);


/*
 *  Writes grid lines for x axis to vertex and color buffers
 *
 *  @param  coords long (x,y,z)
 *
 *  @return void
 */
void grid_write_x  (long x, long y, long z);

/*
 *  Writes grid lines for y axis to vertex and color buffers
 *
 *  @param  coords long (x,y,z)
 *
 *  @return void
 */
void grid_write_y  (long x, long y, long z);

/*
 *  Writes grid lines for z axis to vertex and color buffers
 *
 *  @param  coords long (x,y,z)
 *
 *  @return void
 */
void grid_write_z  (long x, long y, long z);