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         glutSpaceballMotionFunc(demo_sball_motion);
  39         glutSpaceballRotateFunc(demo_sball_rotate);
  40         glutSpaceballButtonFunc(demo_sball_button);
  41
  42         if(opt.fullscr) {
  43                 glutFullScreen();
  44         }
  45
  46         if(demo_init() == -1) {
  47                 return 1;
  48         }
  49         atexit(demo_cleanup);
  50
  51         time_start = glutGet(GLUT_ELAPSED_TIME);
  52
  53         glutMainLoop();
  54         return 0;
  55 }
  56
  57 void demo_quit(void)
  58 {
  59         glutExit();
  60 }
  61
  62 static void display(void)
  63 {
  64         time_msec = glutGet(GLUT_ELAPSED_TIME) - time_start;
  65
  66         demo_display();
  67
  68         glutSwapBuffers();
  69 }
  70
  71 static void idle(void)
  72 {
  73         glutPostRedisplay();
  74 }
  75
  76 #define KEYCOMBO_FS \
  77         ((key == '\r' || key == '\n') && (glutGetModifiers() & GLUT_ACTIVE_ALT))
  78
  79
  80 static void keydown(unsigned char key, int x, int y)
  81 {
  82         static int fullscr = -1, prev_x, prev_y;
  83
  84         if(KEYCOMBO_FS) {
  85                 if(fullscr == -1) fullscr = opt.fullscr;
  86                 fullscr ^= 1;
  87                 if(fullscr) {
  88                         prev_x = glutGet(GLUT_WINDOW_X);
  89                         prev_y = glutGet(GLUT_WINDOW_Y);
  90                         glutFullScreen();
  91                 } else {
  92                         glutPositionWindow(prev_x, prev_y);
  93                 }
  94         }
  95
  96         demo_keyboard(key, 1);
  97 }
  98
  99 static void keyup(unsigned char key, int x, int y)
 100 {
 101         demo_keyboard(key, 0);
 102 }
 103
 104 static void mouse(int bn, int st, int x, int y)
 105 {
 106         demo_mbutton(bn - GLUT_LEFT_BUTTON, st == GLUT_DOWN, x, y);
 107 }