git.mutantstargoat.com Git - demo_prior/blob - src/main.c

   1 #include <stdlib.h>
   2 #include "miniglut.h"
   3 #include "demo.h"
   4 #include "opt.h"
   5
   6 static void display(void);
   7 static void idle(void);
   8 static void keydown(unsigned char key, int x, int y);
   9 static void keyup(unsigned char key, int x, int y);
  10 static void mouse(int bn, int st, int x, int y);
  11
  12 static long time_start;
  13
  14 int main(int argc, char **argv)
  15 {
  16         unsigned int glut_flags = GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH;
  17
  18         glutInit(&argc, argv);
  19
  20         read_cfg("demo.cfg");
  21         if(parse_args(argc, argv) == -1) {
  22                 return 1;
  23         }
  24         if(opt.srgb) glut_flags |= GLUT_SRGB;
  25         if(opt.msaa) glut_flags |= GLUT_MULTISAMPLE;
  26
  27         glutInitWindowSize(opt.width, opt.height);
  28         glutInitDisplayMode(glut_flags);
  29         glutCreateWindow("Prior Art / Mindlapse");
  30
  31         glutDisplayFunc(display);
  32         glutIdleFunc(idle);
  33         glutReshapeFunc(demo_reshape);
  34         glutKeyboardFunc(keydown);
  35         glutKeyboardUpFunc(keyup);
  36         glutMouseFunc(mouse);
  37         glutMotionFunc(demo_mmotion);
  38         glutPassiveMotionFunc(demo_mmotion);
  39         glutSpaceballMotionFunc(demo_sball_motion);
  40         glutSpaceballRotateFunc(demo_sball_rotate);
  41         glutSpaceballButtonFunc(demo_sball_button);
  42
  43         if(opt.fullscr) {
  44                 glutFullScreen();
  45         }
  46
  47         if(demo_init() == -1) {
  48                 return 1;
  49         }
  50         atexit(demo_cleanup);
  51
  52         time_start = glutGet(GLUT_ELAPSED_TIME);
  53
  54         glutMainLoop();
  55         return 0;
  56 }
  57
  58 void demo_quit(void)
  59 {
  60         glutExit();
  61 }
  62
  63 static void display(void)
  64 {
  65         time_msec = glutGet(GLUT_ELAPSED_TIME) - time_start;
  66
  67         demo_display();
  68
  69         glutSwapBuffers();
  70 }
  71
  72 static void idle(void)
  73 {
  74         glutPostRedisplay();
  75 }
  76
  77 #define KEYCOMBO_FS \
  78         ((key == '\r' || key == '\n') && (glutGetModifiers() & GLUT_ACTIVE_ALT))
  79
  80
  81 static void keydown(unsigned char key, int x, int y)
  82 {
  83         static int fullscr = -1, prev_x, prev_y;
  84
  85         if(KEYCOMBO_FS) {
  86                 if(fullscr == -1) fullscr = opt.fullscr;
  87                 fullscr ^= 1;
  88                 if(fullscr) {
  89                         prev_x = glutGet(GLUT_WINDOW_X);
  90                         prev_y = glutGet(GLUT_WINDOW_Y);
  91                         glutFullScreen();
  92                 } else {
  93                         glutPositionWindow(prev_x, prev_y);
  94                 }
  95         }
  96
  97         demo_keyboard(key, 1);
  98 }
  99
 100 static void keyup(unsigned char key, int x, int y)
 101 {
 102         demo_keyboard(key, 0);
 103 }
 104
 105 static void mouse(int bn, int st, int x, int y)
 106 {
 107         demo_mbutton(bn - GLUT_LEFT_BUTTON, st == GLUT_DOWN, x, y);
 108 }