rotator *rot;
trackball_state *trackball;
Bool button_down_p;
-# ifdef HAVE_GLBITMAP
- XFontStruct *xfont;
- GLuint font_dlist;
-# else
texture_font_data *font_data;
-# endif
char *engine_name;
int engineType;
int movepaused;
float f;
f = ONEREV / (M_PI * 2);
- for (i = 0 ; i <= TWOREV ; i++) {
+ for (i = 0 ; i < TWOREV ; i++) {
e->sin_table[i] = sin(i/f);
}
- for (i = 0 ; i <= TWOREV ; i++) {
+ for (i = 0 ; i < TWOREV ; i++) {
e->cos_table[i] = cos(i/f);
}
- for (i = 0 ; i <= TWOREV ; i++) {
+ for (i = 0 ; i < TWOREV ; i++) {
e->tan_table[i] = tan(i/f);
}
}
int polys = 0;
GLfloat colour[] = {0.6, 0.6, 0.6, 1.0};
+ if (e->piston_list) glDeleteLists(1, e->piston_list);
e->piston_list = glGenLists(1);
glNewList(e->piston_list, GL_COMPILE);
glRotatef(90, 0, 0, 1);
if (spin) {
double x, y, z;
- /* Do it twice because we don't track the device's orientation. */
- glRotatef( current_device_rotation(), 0, 0, 1);
gltrackball_rotate (e->trackball);
- glRotatef(-current_device_rotation(), 0, 0, 1);
get_rotation(e->rot, &x, &y, &z, !e->button_down_p);
glRotatef(x*ONEREV, 1.0, 0.0, 0.0);
/* init the ln[] matrix for speed */
if (e->ln_init == 0) {
- for (e->ln_init = 0 ; e->ln_init < 730 ; e->ln_init++) {
+ for (e->ln_init = 0 ; e->ln_init < countof(e->sin_table) ; e->ln_init++) {
zb = e->sin_table[e->ln_init];
yb = e->cos_table[e->ln_init];
/* y ordinate of piston */
float crankThick = 0.2;
float crankDiam = 0.3;
+ if (e->shaft_list) glDeleteLists(1, e->shaft_list);
e->shaft_list = glGenLists(1);
glNewList(e->shaft_list, GL_COMPILE);
move ? wander_speed : 0,
True);
- e->trackball = gltrackball_init ();
+ e->trackball = gltrackball_init (True);
}
if ((e->glx_context = init_GL(mi)) != NULL) {
make_tables(e);
e->engineType = find_engine(which_engine);
- e->engine_name = malloc(200);
+ if (!e->engine_name)
+ e->engine_name = malloc(200);
sprintf (e->engine_name,
"%s\n%s%d%s",
engines[e->engineType].engineName,
e->shaft_polys = makeshaft(e);
e->piston_polys = makepiston(e);
-#ifdef HAVE_GLBITMAP
- load_font (mi->dpy, "titleFont", &e->xfont, &e->font_dlist);
-#else
- e->font_data = load_texture_font (mi->dpy, "Font");
-#endif
+ if (!e->font_data)
+ e->font_data = load_texture_font (mi->dpy, "titleFont");
}
ENTRYPOINT Bool
if (event->xany.type == ButtonPress &&
event->xbutton.button == Button1)
{
- e->button_down_p = True;
- gltrackball_start (e->trackball,
- event->xbutton.x, event->xbutton.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- e->movepaused = 1;
return True;
}
else if (event->xany.type == ButtonRelease &&
event->xbutton.button == Button1) {
- e->button_down_p = False;
e->movepaused = 0;
- return True;
}
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5 ||
- event->xbutton.button == Button6 ||
- event->xbutton.button == Button7))
+
+ if (gltrackball_event_handler (event, e->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &e->button_down_p))
+ return True;
+ else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
{
- gltrackball_mousewheel (e->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
+ which_engine = NULL; /* randomize */
+ init_engine(mi);
return True;
}
- else if (event->xany.type == MotionNotify &&
- e->button_down_p) {
- gltrackball_track (e->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
+
return False;
}
glColor3f (1, 1, 0);
if (do_titles)
- print_gl_string (mi->dpy,
-# ifdef HAVE_GLBITMAP
- e->xfont, e->font_dlist,
-# else
- e->font_data,
-# endif
+ print_gl_string (mi->dpy, e->font_data,
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
e->engine_name, False);