static int
init_conf(void)
{
Gra2cairoConf = g_malloc(sizeof(*Gra2cairoConf));
if (Gra2cairoConf == NULL)
return 1;
Gra2cairoConf->fontmap = nhash_new();
if (Gra2cairoConf->fontmap == NULL) {
g_free(Gra2cairoConf);
Gra2cairoConf = NULL;
return 1;
}
Gra2cairoConf->fontmap_list_root = NULL;
Gra2cairoConf->font_num = 0;
if (loadconfig()) {
free_fonts(Gra2cairoConf);
nhash_free(Gra2cairoConf->fontmap);
g_free(Gra2cairoConf);
Gra2cairoConf = NULL;
return 1;
}
return 0;
}
static void
free_conf(void)
{
if (Gra2cairoConf == NULL)
return;
free_fonts(Gra2cairoConf);
nhash_free(Gra2cairoConf->fontmap);
g_free(Gra2cairoConf);
Gra2cairoConf = NULL;
}
void
release_molecule(ModeInfo * mi)
{
if (mcs != NULL) {
int screen;
for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
molecule_configuration *mc = &mcs[screen];
#if 0
int i;
for (i = 0; i < mc->nmolecules; i++) {
molecule *m = &mc->molecules[i];
if (m->atoms) {
free(m->atoms);
m->atoms = (molecule_atom *) NULL;
}
if (m->bonds) {
free(m->bonds);
m->bonds = (molecule_bond *) NULL;
}
if (m->label) {
free(m->label);
m->label = (char *) NULL;
}
}
if (mc->molecules) {
free(mc->molecules);
mc->molecules = (molecule *) NULL;
}
#endif
if (mc->glx_context) {
/* Display lists MUST be freed while their glXContext is current. */
#ifdef WIN32
wglMakeCurrent(hdc, mc->glx_context);
#else
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(mc->glx_context));
#endif
/* Free font stuff */
free_fonts (mi);
}
}
free(mcs);
mcs = (molecule_configuration *) NULL;
}
FreeAllGL(mi);
}
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;
}
