ENTRYPOINT void
init_molecule (ModeInfo *mi)
{
molecule_configuration *mc;
int wire;
if (!mcs) {
mcs = (molecule_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (molecule_configuration));
if (!mcs) {
fprintf(stderr, "%s: out of memory\n", progname);
exit(1);
}
}
mc = &mcs[MI_SCREEN(mi)];
if ((mc->glx_context = init_GL(mi)) != NULL) {
gl_init(mi);
reshape_molecule (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
}
load_fonts (mi);
startup_blurb (mi);
wire = MI_IS_WIREFRAME(mi);
{
Bool spinx=False, spiny=False, spinz=False;
double spin_speed = 0.5;
double spin_accel = 0.3;
double wander_speed = 0.01;
char *s = do_spin;
while (*s)
{
if (*s == 'x' || *s == 'X') spinx = True;
else if (*s == 'y' || *s == 'Y') spiny = True;
else if (*s == 'z' || *s == 'Z') spinz = True;
else if (*s == '0') ;
else
{
fprintf (stderr,
"%s: spin must contain only the characters X, Y, or Z (not \"%s\")\n",
progname, do_spin);
exit (1);
}
s++;
}
mc->rot = make_rotator (spinx ? spin_speed : 0,
spiny ? spin_speed : 0,
spinz ? spin_speed : 0,
spin_accel,
do_wander ? wander_speed : 0,
(spinx && spiny && spinz));
mc->trackball = gltrackball_init ();
}
orig_do_labels = do_labels;
orig_do_atoms = do_atoms;
orig_do_bonds = do_bonds;
orig_do_shells = do_shells;
orig_wire = MI_IS_WIREFRAME(mi);
mc->molecule_dlist = glGenLists(1);
if (do_shells)
mc->shell_dlist = glGenLists(1);
load_molecules (mi);
mc->which = random() % mc->nmolecules;
mc->no_label_threshold = get_float_resource (mi->dpy, "noLabelThreshold",
"NoLabelThreshold");
mc->wireframe_threshold = get_float_resource (mi->dpy, "wireframeThreshold",
"WireframeThreshold");
mc->mode = 0;
if (wire)
do_bonds = 1;
}
void
init_molecule (ModeInfo *mi)
{
molecule_configuration *mc;
int wire;
#ifndef STANDALONE
timeout = MI_CYCLES(mi);
#endif
if (!mcs) {
mcs = (molecule_configuration *)
calloc (MI_NUM_SCREENS(mi), sizeof (molecule_configuration));
if (!mcs) {
return;
}
}
mc = &mcs[MI_SCREEN(mi)];
if (mc->glx_context) {
/* Free font stuff */
free_fonts (mi);
}
if ((mc->glx_context = init_GL(mi)) != NULL) {
glDrawBuffer(GL_BACK);
gl_init();
last = 0;
reshape_molecule (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
}
if (!load_fonts (mi)) {
release_molecule(mi);
return;
}
if (firstcall)
startup_blurb (mi);
cur_wire = MI_IS_WIREFRAME(mi);
wire = cur_wire;
mc->rotx = FLOATRAND(1.0) * RANDSIGN();
mc->roty = FLOATRAND(1.0) * RANDSIGN();
mc->rotz = FLOATRAND(1.0) * RANDSIGN();
/* bell curve from 0-6 degrees, avg 3 */
mc->dx = (FLOATRAND(0.1) + FLOATRAND(0.1) + FLOATRAND(0.1)) / (360/2);
mc->dy = (FLOATRAND(0.1) + FLOATRAND(0.1) + FLOATRAND(0.1)) / (360/2);
mc->dz = (FLOATRAND(0.1) + FLOATRAND(0.1) + FLOATRAND(0.1)) / (360/2);
mc->d_max = mc->dx * 8;
mc->ddx = 0.00006 + FLOATRAND(0.00003);
mc->ddy = 0.00006 + FLOATRAND(0.00003);
mc->ddz = 0.00006 + FLOATRAND(0.00003);
{
char *s = do_spin;
while (*s)
{
if (*s == 'x' || *s == 'X') mc->spin_x = 1;
else if (*s == 'y' || *s == 'Y') mc->spin_y = 1;
else if (*s == 'z' || *s == 'Z') mc->spin_z = 1;
else
{
(void) fprintf (stderr,
"molecule: spin must contain only the characters X, Y, or Z (not \"%s\")\n",
do_spin);
/* exit (1); */
}
s++;
}
}
mc->molecule_dlist = glGenLists(1);
load_molecules (mi);
mc->which = NRAND(mc->nmolecules);
#ifdef STANDALONE
mc->no_label_threshold = get_float_resource ("noLabelThreshold",
"NoLabelThreshold");
mc->wireframe_threshold = get_float_resource ("wireframeThreshold",
"WireframeThreshold");
#else
mc->no_label_threshold = 30;
mc->wireframe_threshold = 150;
#endif
if (wire)
do_bonds = 1;
}