int main() {
ITEMTYPE removed;
Dlist *dl = create_dlist();
add_last_dlist(dl,10);
add_last_dlist(dl,20);
add_last_dlist(dl,30);
add_last_dlist(dl,40);
add_dlist(dl,70,1);
add_dlist(dl,80,0);
remove_dlist(dl,5,&removed);
remove_dlist(dl,2,&removed);
remove_dlist(dl,0,&removed);
set_dlist(dl,0,35);
remove_element_dlist(dl,20);
remove_dlist(dl,0,&removed);
print_dlist(dl);
int n;
get_dlist(dl,0,&n);
printf("testando get_dlist(dl,0,&n) = %d\n",n);
return 0;
}
static void
generate_system (ModeInfo * mi)
{
pipesstruct *pp = &pipes[MI_SCREEN(mi)];
Bool wire = MI_IS_WIREFRAME(mi);
int newdir;
int OPX, OPY, OPZ;
Bool reset_p = False;
pp->system_index = 0;
pp->system_size = 0;
pinit (mi, 1);
while (1) {
glNewList (get_dlist (mi, pp->system_size++), GL_COMPILE);
mi->polygon_count = 0;
glPushMatrix();
FindNeighbors(mi);
if (wire)
glColor4fv (pp->system_color);
else
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, pp->system_color);
/* If it's the begining of a system, draw a sphere */
if (pp->olddir == dirNone) {
glPushMatrix();
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0);
mySphere(0.6, wire);
glPopMatrix();
}
/* Check for stop conditions */
if (pp->ndirections == 0 || pp->counter > pp->system_length) {
glPushMatrix();
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0);
/* Finish the system with another sphere */
mySphere(0.6, wire);
glPopMatrix();
/* If the maximum number of system was drawn, restart (clearing the screen), */
/* else start a new system. */
if (++pp->system_number > pp->number_of_systems) {
reset_p = True;
} else {
pinit(mi, 0);
}
goto NEXT;
}
pp->counter++;
pp->turncounter++;
/* Do will the direction change? if so, determine the new one */
newdir = pp->nowdir;
if (!pp->directions[newdir]) { /* cannot proceed in the current direction */
newdir = SelectNeighbor(mi);
} else {
if (tightturns) {
/* random change (20% chance) */
if ((pp->counter > 1) && (NRAND(100) < 20)) {
newdir = SelectNeighbor(mi);
}
} else {
/* Chance to turn increases after each length of pipe drawn */
if ((pp->counter > 1) && NRAND(50) < NRAND(pp->turncounter + 1)) {
newdir = SelectNeighbor(mi);
pp->turncounter = 0;
}
}
}
/* Has the direction changed? */
if (newdir == pp->nowdir) {
/* If not, draw the cell's center pipe */
glPushMatrix();
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0);
/* Chance of factory shape here, if enabled. */
if ((pp->counter > 1) && (NRAND(100) < factory)) {
MakeShape(mi, newdir);
} else {
MakeTube(mi, newdir);
}
glPopMatrix();
} else {
/* If so, draw the cell's center elbow/sphere */
int sysT = pp->system_type;
if (sysT == NofSysTypes + 1) {
sysT = ((pp->system_number - 1) % NofSysTypes) + 1;
}
glPushMatrix();
switch (sysT) {
case 1:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0);
mySphere(elbowradius, wire);
break;
case 2:
case 3:
switch (pp->nowdir) {
case dirUP:
switch (newdir) {
case dirLEFT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
break;
case dirRIGHT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirFAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
glRotatef(180.0, 0.0, 0.0, 1.0);
break;
case dirNEAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
break;
}
break;
case dirDOWN:
switch (newdir) {
case dirLEFT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0);
break;
case dirRIGHT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirFAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 0.0, 1.0, 0.0);
break;
case dirNEAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
break;
}
break;
case dirLEFT:
switch (newdir) {
case dirUP:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirDOWN:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirFAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirNEAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 0.0, 1.0);
break;
}
break;
case dirRIGHT:
switch (newdir) {
case dirUP:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0);
break;
case dirDOWN:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
break;
case dirFAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
break;
case dirNEAR:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 1.0, 0.0, 0.0);
break;
}
break;
case dirNEAR:
switch (newdir) {
case dirLEFT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
break;
case dirRIGHT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 1.0, 0.0);
break;
case dirUP:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(270.0, 0.0, 1.0, 0.0);
break;
case dirDOWN:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0 - (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
glRotatef(180.0, 0.0, 0.0, 1.0);
break;
}
break;
case dirFAR:
switch (newdir) {
case dirUP:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 + (one_third), (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
break;
case dirDOWN:
glTranslatef((pp->PX - 16) / 3.0 * 4.0, (pp->PY - 12) / 3.0 * 4.0 - (one_third), (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 0.0, 1.0, 0.0);
glRotatef(180.0, 1.0, 0.0, 0.0);
break;
case dirLEFT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 - (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(90.0, 1.0, 0.0, 0.0);
break;
case dirRIGHT:
glTranslatef((pp->PX - 16) / 3.0 * 4.0 + (one_third), (pp->PY - 12) / 3.0 * 4.0, (pp->PZ - 16) / 3.0 * 4.0 + (one_third));
glRotatef(270.0, 1.0, 0.0, 0.0);
glRotatef(180.0, 0.0, 0.0, 1.0);
break;
}
break;
}
myElbow(mi, (sysT == 2));
break;
}
glPopMatrix();
}
OPX = pp->PX;
OPY = pp->PY;
OPZ = pp->PZ;
pp->olddir = pp->nowdir;
pp->nowdir = newdir;
switch (pp->nowdir) {
case dirUP:
pp->PY++;
break;
case dirDOWN:
pp->PY--;
break;
case dirLEFT:
pp->PX--;
break;
case dirRIGHT:
pp->PX++;
break;
case dirNEAR:
pp->PZ++;
break;
case dirFAR:
pp->PZ--;
break;
}
pp->Cells[pp->PX][pp->PY][pp->PZ] = 1;
/* Cells'face pipe */
glTranslatef(((pp->PX + OPX) / 2.0 - 16) / 3.0 * 4.0, ((pp->PY + OPY) / 2.0 - 12) / 3.0 * 4.0, ((pp->PZ + OPZ) / 2.0 - 16) / 3.0 * 4.0);
MakeTube(mi, newdir);
NEXT:
glPopMatrix();
glEndList();
pp->poly_counts [pp->system_size-1] = mi->polygon_count;
if (reset_p)
break;
}
}