void stuff_link_with_formula(int *link_idx, int formula, int mission_num)
{
int j, node, node2, node3;
if (formula >= 0) {
if (!stricmp(CTEXT(formula), "cond")) {
// sexp is valid
node = CDR(formula);
free_one_sexp(formula);
while (node != -1) {
node2 = CAR(node);
Links[*link_idx].from = mission_num;
Links[*link_idx].sexp = CAR(node2);
Links[*link_idx].mission_loop_txt = NULL;
Links[*link_idx].mission_loop_brief_anim = NULL;
Links[*link_idx].mission_loop_brief_sound = NULL;
sexp_mark_persistent(CAR(node2));
free_one_sexp(node2);
node3 = CADR(node2);
if ( !stricmp( CTEXT(node3), "next-mission") ) {
node3 = CDR(node3);
for (j=0; j<Campaign.num_missions; j++)
if (!stricmp(CTEXT(node3), Campaign.missions[j].name))
break;
if (j < Campaign.num_missions) { // mission is in campaign (you never know..)
Links[(*link_idx)++].to = j;
Elements[mission_num].from_links++;
Elements[j].to_links++;
}
} else if ( !stricmp( CTEXT(node3), "end-of-campaign") ) {
Links[(*link_idx)++].to = -1;
Elements[mission_num].from_links++;
} else
Int3(); // bogus operator in campaign file
free_sexp(CDR(node2));
free_one_sexp(node);
node = CDR(node);
}
}
}
}
void campaign_editor::save_tree(int clear)
{
int i;
if (m_last_mission < 0){
return; // nothing to save
}
for (i=0; i<Total_links; i++){
if (Links[i].from == m_last_mission) {
sexp_unmark_persistent(Links[i].sexp);
free_sexp2(Links[i].sexp);
Links[i].sexp = m_tree.save_tree(Links[i].node);
sexp_mark_persistent(Links[i].sexp);
}
}
if (clear){
m_last_mission = -1;
}
}