/**
* Perform all steps to upgrade from the old station buoys to the new version
* that uses waypoints. This includes some old saveload mechanics.
*/
void MoveBuoysToWaypoints()
{
/* Buoy orders become waypoint orders */
OrderList *ol;
FOR_ALL_ORDER_LISTS(ol) {
if (ol->GetFirstSharedVehicle()->type != VEH_SHIP) continue;
for (Order *o = ol->GetFirstOrder(); o != NULL; o = o->next) UpdateWaypointOrder(o);
}
Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->type != VEH_SHIP) continue;
UpdateWaypointOrder(&v->current_order);
}
/* Now make the stations waypoints */
Station *st;
FOR_ALL_STATIONS(st) {
if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) continue;
StationID index = st->index;
TileIndex xy = st->xy;
Town *town = st->town;
StringID string_id = st->string_id;
char *name = st->name;
Date build_date = st->build_date;
/* Delete the station, so we can make it a real waypoint. */
delete st;
Waypoint *wp = new (index) Waypoint(xy);
wp->town = town;
wp->string_id = STR_SV_STNAME_BUOY;
wp->name = name;
wp->delete_ctr = 0; // Just reset delete counter for once.
wp->build_date = build_date;
wp->owner = OWNER_NONE;
if (IsInsideBS(string_id, STR_SV_STNAME_BUOY, 9)) wp->town_cn = string_id - STR_SV_STNAME_BUOY;
if (IsBuoyTile(xy) && GetStationIndex(xy) == index) {
wp->facilities |= FACIL_DOCK;
}
wp->rect.BeforeAddTile(xy, StationRect::ADD_FORCE);
}
}
/**
* Perform all steps to upgrade from the old station buoys to the new version
* that uses waypoints. This includes some old saveload mechanics.
*/
void MoveBuoysToWaypoints()
{
/* Buoy orders become waypoint orders */
OrderList *ol;
FOR_ALL_ORDER_LISTS(ol) {
VehicleType vt = ol->GetFirstSharedVehicle()->type;
if (vt != VEH_SHIP && vt != VEH_TRAIN) continue;
for (Order *o = ol->GetFirstOrder(); o != NULL; o = o->next) UpdateWaypointOrder(o);
}
Vehicle *v;
FOR_ALL_VEHICLES(v) {
VehicleType vt = v->type;
if (vt != VEH_SHIP && vt != VEH_TRAIN) continue;
UpdateWaypointOrder(&v->current_order);
}
/* Now make the stations waypoints */
Station *st;
FOR_ALL_STATIONS(st) {
if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) continue;
StationID index = st->index;
TileIndex xy = st->xy;
Town *town = st->town;
StringID string_id = st->string_id;
char *name = st->name;
st->name = NULL;
Date build_date = st->build_date;
/* TTDPatch could use "buoys with rail station" for rail waypoints */
bool train = st->train_station.tile != INVALID_TILE;
TileArea train_st = st->train_station;
/* Delete the station, so we can make it a real waypoint. */
delete st;
/* Stations and waypoints are in the same pool, so if a station
* is deleted there must be place for a Waypoint. */
assert(Waypoint::CanAllocateItem());
Waypoint *wp = new (index) Waypoint(xy);
wp->town = town;
wp->string_id = train ? STR_SV_STNAME_WAYPOINT : STR_SV_STNAME_BUOY;
wp->name = name;
wp->delete_ctr = 0; // Just reset delete counter for once.
wp->build_date = build_date;
wp->owner = train ? GetTileOwner(xy) : OWNER_NONE;
if (IsInsideBS(string_id, STR_SV_STNAME_BUOY, 9)) wp->town_cn = string_id - STR_SV_STNAME_BUOY;
if (train) {
/* When we make a rail waypoint of the station, convert the map as well. */
TILE_AREA_LOOP(t, train_st) {
if (!IsTileType(t, MP_STATION) || GetStationIndex(t) != index) continue;
SB(_me[t].m6, 3, 3, STATION_WAYPOINT);
wp->rect.BeforeAddTile(t, StationRect::ADD_FORCE);
}
wp->train_station = train_st;
wp->facilities |= FACIL_TRAIN;
} else if (IsBuoyTile(xy) && GetStationIndex(xy) == index) {
wp->rect.BeforeAddTile(xy, StationRect::ADD_FORCE);
wp->facilities |= FACIL_DOCK;
}
}
/**
* Perform all steps to upgrade from the old waypoints to the new version
* that uses station. This includes some old saveload mechanics.
*/
void MoveWaypointsToBaseStations()
{
/* In version 17, ground type is moved from m2 to m4 for depots and
* waypoints to make way for storing the index in m2. The custom graphics
* id which was stored in m4 is now saved as a grf/id reference in the
* waypoint struct. */
if (IsSavegameVersionBefore(17)) {
for (OldWaypoint *wp = _old_waypoints.Begin(); wp != _old_waypoints.End(); wp++) {
if (wp->delete_ctr != 0) continue; // The waypoint was deleted
/* Waypoint indices were not added to the map prior to this. */
_m[wp->xy].m2 = (StationID)wp->index;
if (HasBit(_m[wp->xy].m3, 4)) {
wp->spec = StationClass::Get(STAT_CLASS_WAYP, _m[wp->xy].m4 + 1);
}
}
} else {
/* As of version 17, we recalculate the custom graphic ID of waypoints
* from the GRF ID / station index. */
for (OldWaypoint *wp = _old_waypoints.Begin(); wp != _old_waypoints.End(); wp++) {
for (uint i = 0; i < StationClass::GetCount(STAT_CLASS_WAYP); i++) {
const StationSpec *statspec = StationClass::Get(STAT_CLASS_WAYP, i);
if (statspec != NULL && statspec->grf_prop.grffile->grfid == wp->grfid && statspec->grf_prop.local_id == wp->localidx) {
wp->spec = statspec;
break;
}
}
}
}
if (!Waypoint::CanAllocateItem(_old_waypoints.Length())) SlError(STR_ERROR_TOO_MANY_STATIONS_LOADING);
/* All saveload conversions have been done. Create the new waypoints! */
for (OldWaypoint *wp = _old_waypoints.Begin(); wp != _old_waypoints.End(); wp++) {
Waypoint *new_wp = new Waypoint(wp->xy);
new_wp->town = wp->town;
new_wp->town_cn = wp->town_cn;
new_wp->name = wp->name;
new_wp->delete_ctr = 0; // Just reset delete counter for once.
new_wp->build_date = wp->build_date;
new_wp->owner = wp->owner;
new_wp->string_id = STR_SV_STNAME_WAYPOINT;
TileIndex t = wp->xy;
if (IsTileType(t, MP_RAILWAY) && GetRailTileType(t) == 2 /* RAIL_TILE_WAYPOINT */ && _m[t].m2 == wp->index) {
/* The tile might've been reserved! */
bool reserved = !IsSavegameVersionBefore(100) && HasBit(_m[t].m5, 4);
/* The tile really has our waypoint, so reassign the map array */
MakeRailWaypoint(t, GetTileOwner(t), new_wp->index, (Axis)GB(_m[t].m5, 0, 1), 0, GetRailType(t));
new_wp->facilities |= FACIL_TRAIN;
new_wp->owner = GetTileOwner(t);
SetRailStationReservation(t, reserved);
if (wp->spec != NULL) {
SetCustomStationSpecIndex(t, AllocateSpecToStation(wp->spec, new_wp, true));
}
new_wp->rect.BeforeAddTile(t, StationRect::ADD_FORCE);
}
wp->new_index = new_wp->index;
}
/* Update the orders of vehicles */
OrderList *ol;
FOR_ALL_ORDER_LISTS(ol) {
if (ol->GetFirstSharedVehicle()->type != VEH_TRAIN) continue;
for (Order *o = ol->GetFirstOrder(); o != NULL; o = o->next) UpdateWaypointOrder(o);
}
Vehicle *v;
FOR_ALL_VEHICLES(v) {
if (v->type != VEH_TRAIN) continue;
UpdateWaypointOrder(&v->current_order);
}
_old_waypoints.Reset();
}
