void move_unit(unit * u, region * r, unit ** ulist)
{
assert(u && r);
assert(u->faction || !"this unit is dead");
if (u->region == r)
return;
if (!ulist)
ulist = (&r->units);
if (u->region) {
setguard(u, GUARD_NONE);
fset(u, UFL_MOVED);
if (u->ship || u->building) {
/* can_leave must be checked in travel_i */
#ifndef NDEBUG
bool result = leave(u, false);
assert(result);
#else
leave(u, false);
#endif
}
translist(&u->region->units, ulist, u);
} else {
addlist(ulist, u);
}
#ifdef SMART_INTERVALS
update_interval(u->faction, r);
#endif
u->region = r;
}
static void move_iceberg(region * r)
{
attrib *a;
direction_t dir;
region *rc;
a = a_find(r->attribs, &at_iceberg);
if (!a) {
dir = (direction_t) (rng_int() % MAXDIRECTIONS);
a = a_add(&r->attribs, make_iceberg(dir));
} else {
if (rng_int() % 100 < 20) {
dir = (direction_t) (rng_int() % MAXDIRECTIONS);
a->data.i = dir;
} else {
dir = (direction_t) a->data.i;
}
}
rc = rconnect(r, dir);
if (rc && !fval(rc->terrain, ARCTIC_REGION)) {
if (fval(rc->terrain, SEA_REGION)) { /* Eisberg treibt */
ship *sh, *shn;
unit *u;
int x, y;
for (u = r->units; u; u = u->next)
freset(u->faction, FFL_SELECT);
for (u = r->units; u; u = u->next)
if (!fval(u->faction, FFL_SELECT)) {
fset(u->faction, FFL_SELECT);
ADDMSG(&u->faction->msgs, msg_message("iceberg_drift",
"region dir", r, dir));
}
x = r->x;
y = r->y;
runhash(r);
runhash(rc);
r->x = rc->x;
r->y = rc->y;
rc->x = x;
rc->y = y;
rhash(rc);
rhash(r);
/* rc ist der Ozean (Ex-Eisberg), r der Eisberg (Ex-Ozean) */
/* Schiffe aus dem Zielozean werden in den Eisberg transferiert
* und nehmen Schaden. */
for (sh = r->ships; sh; sh = sh->next)
freset(sh, SF_SELECT);
for (sh = r->ships; sh; sh = sh->next) {
/* Meldung an Kapitän */
float dmg =
get_param_flt(global.parameters, "rules.ship.damage.intoiceberg",
0.10F);
damage_ship(sh, dmg);
fset(sh, SF_SELECT);
}
/* Personen, Schiffe und Gebäude verschieben */
while (rc->buildings) {
rc->buildings->region = r;
translist(&rc->buildings, &r->buildings, rc->buildings);
}
while (rc->ships) {
float dmg =
get_param_flt(global.parameters, "rules.ship.damage.withiceberg",
0.10F);
fset(rc->ships, SF_SELECT);
damage_ship(rc->ships, dmg);
move_ship(rc->ships, rc, r, NULL);
}
while (rc->units) {
building *b = rc->units->building;
u = rc->units;
u->building = 0; /* prevent leaving in move_unit */
move_unit(rc->units, r, NULL);
u_set_building(u, b); /* undo leave-prevention */
}
/* Beschädigte Schiffe können sinken */
for (sh = r->ships; sh;) {
shn = sh->next;
if (fval(sh, SF_SELECT)) {
u = ship_owner(sh);
if (sh->damage >= sh->size * DAMAGE_SCALE) {
if (u != NULL) {
ADDMSG(&u->faction->msgs, msg_message("overrun_by_iceberg_des",
"ship", sh));
}
remove_ship(&sh->region->ships, sh);
} else if (u != NULL) {
ADDMSG(&u->faction->msgs, msg_message("overrun_by_iceberg",
"ship", sh));
}
}
sh = shn;
}
} else if (rng_int() % 100 < 20) { /* Eisberg bleibt als Gletscher liegen */
unit *u;
rsetterrain(r, T_GLACIER);
a_remove(&r->attribs, a);
for (u = r->units; u; u = u->next)
freset(u->faction, FFL_SELECT);
for (u = r->units; u; u = u->next)
if (!fval(u->faction, FFL_SELECT)) {
fset(u->faction, FFL_SELECT);
ADDMSG(&u->faction->msgs, msg_message("iceberg_land", "region", r));
}
}
}
}
