static void
startup_blurb (ModeInfo *mi)
{
molecule_configuration *mc = &mcs[MI_SCREEN(mi)];
const char *s = "Constructing molecules...";
print_gl_string (mi->dpy, mc->xfont3, mc->font3_dlist,
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
s, False);
glFinish();
glXSwapBuffers(MI_DISPLAY(mi), MI_WINDOW(mi));
}
static void
new_label (ModeInfo *mi)
{
pinion_configuration *pp = &pps[MI_SCREEN(mi)];
char label[1024];
int i;
gear *g = 0;
if (pp->mouse_gear_id)
for (i = 0; i < pp->ngears; i++)
if (pp->gears[i]->id == pp->mouse_gear_id)
{
g = pp->gears[i];
break;
}
if (!g)
*label = 0;
else
{
sprintf (label, "%d teeth\n", (int) g->nteeth);
rpm_string (g->rpm, label + strlen(label));
if (debug_p)
sprintf (label + strlen (label), "\nPolys: %d\nModel: %s (%.2f)\n",
g->polygons,
(g->size == INVOLUTE_SMALL ? "small" :
g->size == INVOLUTE_MEDIUM ? "medium"
: "large"),
g->tooth_h * MI_HEIGHT(mi));
}
glNewList (pp->title_list, GL_COMPILE);
if (*label)
{
XFontStruct *f;
GLuint fl;
if (MI_WIDTH(mi) >= 500 && MI_HEIGHT(mi) >= 375)
f = pp->xfont1, fl = pp->font1_dlist; /* big font */
else if (MI_WIDTH(mi) >= 350 && MI_HEIGHT(mi) >= 260)
f = pp->xfont2, fl = pp->font2_dlist; /* small font */
else
f = pp->xfont3, fl = pp->font3_dlist; /* tiny font */
glColor3f (0.8, 0.8, 0);
print_gl_string (mi->dpy, f, fl,
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
label, False);
}
glEndList ();
}
ENTRYPOINT void
draw_molecule (ModeInfo *mi)
{
time_t now = time ((time_t *) 0);
GLfloat speed = 4.0; /* speed at which the zoom out/in happens */
molecule_configuration *mc = &mcs[MI_SCREEN(mi)];
Display *dpy = MI_DISPLAY(mi);
Window window = MI_WINDOW(mi);
if (!mc->glx_context)
return;
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(mc->glx_context));
if (mc->draw_time == 0)
{
pick_new_molecule (mi, mc->draw_time);
mc->draw_time = now;
}
else if (mc->mode == 0)
{
if (mc->draw_tick++ > 10)
{
time_t now = time((time_t *) 0);
if (mc->draw_time == 0) mc->draw_time = now;
mc->draw_tick = 0;
if (!mc->button_down_p &&
mc->nmolecules > 1 &&
mc->draw_time + timeout <= now)
{
/* randomize molecules every -timeout seconds */
mc->mode = 1; /* go out */
mc->mode_tick = 10 * speed;
mc->draw_time = now;
}
}
}
else if (mc->mode == 1) /* out */
{
if (--mc->mode_tick <= 0)
{
mc->mode_tick = 10 * speed;
mc->mode = 2; /* go in */
pick_new_molecule (mi, mc->draw_time);
mc->draw_time = now;
}
}
else if (mc->mode == 2) /* in */
{
if (--mc->mode_tick <= 0)
mc->mode = 0; /* normal */
}
else
abort();
glPushMatrix ();
glScalef(1.1, 1.1, 1.1);
{
double x, y, z;
get_position (mc->rot, &x, &y, &z, !mc->button_down_p);
glTranslatef((x - 0.5) * 9,
(y - 0.5) * 9,
(z - 0.5) * 9);
gltrackball_rotate (mc->trackball);
get_rotation (mc->rot, &x, &y, &z, !mc->button_down_p);
glRotatef (x * 360, 1.0, 0.0, 0.0);
glRotatef (y * 360, 0.0, 1.0, 0.0);
glRotatef (z * 360, 0.0, 0.0, 1.0);
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (mc->mode != 0)
{
GLfloat s = (mc->mode == 1
? mc->mode_tick / (10 * speed)
: ((10 * speed) - mc->mode_tick + 1) / (10 * speed));
glScalef (s, s, s);
}
glPushMatrix();
glCallList (mc->molecule_dlist);
if (mc->mode == 0)
{
molecule *m = &mc->molecules[mc->which];
draw_labels (mi);
/* This can't go in the display list, or the characters are spaced
wrongly when the window is resized. */
if (do_titles && m->label && *m->label)
{
set_atom_color (mi, 0, True, 1);
print_gl_string (mi->dpy, mc->xfont3, mc->font3_dlist,
mi->xgwa.width, mi->xgwa.height,
10, mi->xgwa.height - 10,
m->label, False);
}
}
glPopMatrix();
if (do_shells)
{
glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glPushMatrix();
glCallList (mc->shell_dlist);
glPopMatrix();
glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthFunc (GL_EQUAL);
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPushMatrix();
glCallList (mc->shell_dlist);
glPopMatrix();
glDepthFunc (GL_LESS);
glDisable (GL_BLEND);
}
glPopMatrix ();
mi->polygon_count = mc->polygon_count;
if (mi->fps_p) do_fps (mi);
glFinish();
glXSwapBuffers(dpy, window);
}
