void draw_cannon() {
GLUquadricObj *quadric;
quadric = gluNewQuadric();
gluQuadricDrawStyle(quadric, GLU_FILL);
gluQuadricTexture(quadric, GL_TRUE);
/* Wheel 1 */
glPushMatrix();
glTranslatef ( 0.0 , 1.0 , 0.0 );
draw_wheel() ;
glPopMatrix();
/* Wheel 2 */
glPushMatrix();
glTranslatef ( 0.0 , -1.0 , 0.0 );
draw_wheel() ;
glPopMatrix();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture_granite);
/* Barrel sits on this thing */
glPushMatrix();
glRotatef (90, 1.0, 0.0, 0.0);
glTranslatef ( -3.0 , 0.0 , -0.6 );
draw_barrel_leg() ;
glPopMatrix();
glPushMatrix();
glRotatef (90, 1.0, 0.0, 0.0);
glTranslatef ( -3.0 , 0.0 , 0.6 );
draw_barrel_leg() ;
glPopMatrix();
/* Axle */
glPushMatrix();
glRotatef (90, 1.0, 0.0, 0.0);
glTranslatef ( 0.0 , 1.0 , 0.0 );
glTranslatef ( 0.0 , 0.0 , -1.0 );
gluCylinder(quadric, 0.25, 0.25, 2.00, 30, 30);
glPopMatrix();
/* Barrel */
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture_granite);
glPushMatrix();
glTranslatef ( -2.0 , 0.0 , 0.0 );
glTranslatef ( 0.0 , 0.0 , 1.0 );
glRotatef ((GLfloat) 60.0, 0.0, 1.0, 0.0);
gluCylinder(quadric, 0.5, 0.5, 3.00, 30, 30);
gluSphere(quadric, 0.52 , 30, 30);
glPopMatrix();
glDisable(GL_TEXTURE_2D);
gluDeleteQuadric(quadric);
}
void highlight_wheel(machine *m, ui_info *ui, int wheelnr) {
int old = ui->chosen_wheel;
ui->chosen_wheel = (wheelnr < m->wheelslots && wheelnr >= 0 )? wheelnr : -1;
if (old == ui->chosen_wheel) return; /* no change */
if (old >= 0) draw_wheel(m, ui, old);
if (ui->chosen_wheel >= 0) draw_wheel(m, ui, ui->chosen_wheel);
wnoutrefresh(ui->w_wheels);
}
/* Manual change of ring setting */
void ringstellung(machine *m, ui_info *ui, int step) {
if (ui->chosen_wheel < 0) return;
if (!m->slot[ui->chosen_wheel].step) return;
int *i = &m->slot[ui->chosen_wheel].ringstellung;
*i = (*i + m->alphabet_len + step) % m->alphabet_len;
step_cleanup(m);
draw_wheel(m, ui, ui->chosen_wheel);
wnoutrefresh(ui->w_wheels);
}
/* Draw the set of wheels (entire window) */
void draw_wheels(machine *m, ui_info *ui) {
for (int i = 0; i < m->wheelslots; ++i) draw_wheel(m, ui, i);
/* Machine name centered on top */
wattrset(ui->w_wheels, ui->attr_wheel_activ);
mvwprintw(ui->w_wheels, 0, (getmaxx(ui->w_wheels)-wcslen(m->name))/2, "%ls", m->name);
/* Ring setting heading */
wattrset(ui->w_wheels, A_NORMAL);
mvwprintw(ui->w_wheels, 9+m->wheelslots, 4*m->wheelslots, "ring setting");
}
/* change the highlighted code wheel */
void next_wheel(machine *m, ui_info *ui) {
if (ui->chosen_wheel < 0) return;
wheelslot *sl = &m->slot[ui->chosen_wheel];
if (sl->type == T_WHEEL) {
/* Change an ordinary wheel or reflector, to another allowed wheel */
do {
sl->w = sl->w->next_in_set;
} while(!sl->w->allow_slot[ui->chosen_wheel]);
draw_wheel(m, ui, ui->chosen_wheel);
} else {
/* change plugboard- / crossbar-settings, or rewire a wheel */
wint_t s[m->alphabet_len * 2];
echo();
char *err = ""; /* Short msg if they screw up */
for (bool done = false; !done; ) {
wclear(ui->w_pop);
if (sl->type == T_PAIRSWAP) {
wprintw(ui->w_pop, "%sGive plugboard swaps in the format AX CF ...\nor just enter for the identity mapping\n", err);
mvwgetn_wstr(ui->w_pop, 2, 0, s, (m->alphabet_len / 2) * 3);
identity_map(m, sl->w);
wchar_t *l1=s, *l2;
done = true; /* optimistic */
do { /* Each iteration parses one stecker pair */
while (*l1 == L' ') ++l1;
if (*l1) { /* if we didn't hit \0 */
l2 = l1 + 1;
int i1 = lookup(*l1, m->alphabet);
int i2 = lookup(*l2, m->alphabet);
if (i1 == -1 || i2 == -1) {
*l1 = 0;
err = "Letter not in machine alphabet. ";
done = false;
} else {
/* Got a pair, and it is valid! Set up the encoding & decoding */
sl->w->encode[i1] = i2;
sl->w->encode[i2] = i1;
sl->w->decode[i1] = i2;
sl->w->decode[i2] = i1;
l1 = l2 + 1;
}
}
} while (*l1);
} else {
wprintw(ui->w_pop, "Type the new mapping like XYZABCDE...\nor just enter for the identity mapping\n");
mvwgetn_wstr(ui->w_pop, 2, 0, s, m->alphabet_len);
identity_map(m, sl->w);
done = true; /* Unless we get a bad string */
int i = 0;
wchar_t *l = s;
while (*l && i < m->alphabet_len && done) {
int c = lookup(*l, m->alphabet);
if (c == -1) {
err = "Letter not in machine alphabet. ";
done = false;
} else {
sl->w->encode[i] = c;
sl->w->decode[c] = i;
}
++i;
++l;
}
/* More sanity checking */
if (done) {
if (*l) {
err = "Too many characters. ";
done = false;
} else if (i < m->alphabet_len) {
err = "Too few characters. ";
done = false;
}
}
}
}
noecho();
redrawwin(ui->w_code);
wnoutrefresh(ui->w_code);
}
wnoutrefresh(ui->w_wheels);
step_cleanup(m);
}