/*
 *      Gem-graph OpenGL experiments
 *
 *      Desc: OpenGL utils header
 *
 *  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>

bool compute_space_2D(int state_size,
                      GLfloat *vertex_base, GLfloat *color_base,
                      GLubyte *line_ndx,
                      bool pref_mark_unit_space_first,
                      bool pref_mark_unit_space_last);

bool compute_arrow_2D(int state_size,
                      GLfloat *vertex_base, GLfloat *color_base,
                      GLubyte *line_ndx, GLubyte *plan_ndx,
                      int vgap, int igap, int cgap,
                      int weight, int site, int x, int y, int z);

/*----------------------------------------------------------------------------*/

bool compute_space_3D(int state_size,
                      GLfloat *vertex_base, GLfloat *color_base,
                      GLubyte *line_ndx,
                      bool pref_mark_unit_space_first,
                      bool pref_mark_unit_space_last);

bool compute_arrow_3D(int state_size,
                      GLfloat *vertex_base, GLfloat *color_base,
                      GLubyte *line_ndx, GLubyte *plan_ndx,
                      int vgap, int igap, int cgap,
                      int weight, int site, int x, int y, int z);