half-edge/main.c

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/*
* Copyright 2011-2014 hasufell
*
* This file is part of a hasufell project.
*
* 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 version 2 of the License only.
*
* 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/>.
*/
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#include "gl_draw.h"
#include "print.h"
#include "types.h"
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#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
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#include <stdio.h>
#define filename __FILE__
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/**
* Program help text.
*/
char const * const helptext = "Usage: drow-engine <file.obj>\n";
int main(int argc, char *argv[])
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{
int windowX;
int windowY;
int screenX;
int screenY;
float factor = 0.80; // percent of screen
if (argc == 1) {
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printf("%s", helptext);
return 1;
}
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glutInit(&argc, argv);
screenX = glutGet(GLUT_SCREEN_WIDTH);
windowX = (screenX * factor);
screenY = glutGet(GLUT_SCREEN_HEIGHT);
windowY = (screenY * factor);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowPosition(((screenX / 2) - (windowX / 2)),
((screenY / 2) - (windowY / 2)));
glutInitWindowSize(windowX, windowY);
glutCreateWindow(filename);
init(argv[1]);
glutKeyboardFunc(keyboard);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutIdleFunc(animate);
glutMainLoop();
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return 0;
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}