/**
* Deallocate a StationSpec from a Station. Called when removing a single station tile.
* @param st Station to work with.
* @param specindex Index of the custom station within the Station's spec list.
* @return Indicates whether the StationSpec was deallocated.
*/
void DeallocateSpecFromStation(BaseStation *st, byte specindex)
{
/* specindex of 0 (default) is never freeable */
if (specindex == 0) return;
ETileArea area = ETileArea(st, INVALID_TILE, TA_WHOLE);
/* Check all tiles over the station to check if the specindex is still in use */
TILE_AREA_LOOP(tile, area) {
if (st->TileBelongsToRailStation(tile) && GetCustomStationSpecIndex(tile) == specindex) {
return;
}
}
/* This specindex is no longer in use, so deallocate it */
st->speclist[specindex].spec = NULL;
st->speclist[specindex].grfid = 0;
st->speclist[specindex].localidx = 0;
/* If this was the highest spec index, reallocate */
if (specindex == st->num_specs - 1) {
for (; st->speclist[st->num_specs - 1].grfid == 0 && st->num_specs > 1; st->num_specs--) {}
if (st->num_specs > 1) {
st->speclist = ReallocT(st->speclist, st->num_specs);
} else {
free(st->speclist);
st->num_specs = 0;
st->speclist = NULL;
st->cached_anim_triggers = 0;
return;
}
}
StationUpdateAnimTriggers(st);
}
void AfterLoadStations()
{
/* Update the speclists of all stations to point to the currently loaded custom stations. */
BaseStation *st;
FOR_ALL_BASE_STATIONS(st) {
for (uint i = 0; i < st->num_specs; i++) {
if (st->speclist[i].grfid == 0) continue;
st->speclist[i].spec = GetCustomStationSpecByGrf(st->speclist[i].grfid, st->speclist[i].localidx, NULL);
}
if (Station::IsExpected(st)) {
Station *sta = Station::From(st);
for (const RoadStop *rs = sta->bus_stops; rs != NULL; rs = rs->next) sta->bus_station.Add(rs->xy);
for (const RoadStop *rs = sta->truck_stops; rs != NULL; rs = rs->next) sta->truck_station.Add(rs->xy);
}
StationUpdateAnimTriggers(st);
}
}
