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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file station_sl.cpp Code handling saving and loading of economy data */
#include "../stdafx.h"
#include "../station_base.h"
#include "../waypoint_base.h"
#include "../roadstop_base.h"
#include "../vehicle_base.h"
#include "../newgrf_station.h"
#include "saveload.h"
#include "table/strings.h"
/**
* Update the buoy orders to be waypoint orders.
* @param o the order 'list' to check.
*/
static void UpdateWaypointOrder(Order *o)
{
if (!o->IsType(OT_GOTO_STATION)) return;
const Station *st = Station::Get(o->GetDestination());
if ((st->had_vehicle_of_type & HVOT_WAYPOINT) == 0) return;
o->MakeGoToWaypoint(o->GetDestination());
}
/**
* 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);
}
}
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);
}
StationUpdateAnimTriggers(st);
}
}
static const SaveLoad _roadstop_desc[] = {
SLE_VAR(RoadStop, xy, SLE_UINT32),
SLE_CONDNULL(1, 0, 44),
SLE_VAR(RoadStop, status, SLE_UINT8),
/* Index was saved in some versions, but this is not needed */
SLE_CONDNULL(4, 0, 8),
SLE_CONDNULL(2, 0, 44),
SLE_CONDNULL(1, 0, 25),
SLE_REF(RoadStop, next, REF_ROADSTOPS),
SLE_CONDNULL(2, 0, 44),
SLE_CONDNULL(4, 0, 24),
SLE_CONDNULL(1, 25, 25),
SLE_END()
};
static const SaveLoad _old_station_desc[] = {
SLE_CONDVAR(Station, xy, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, xy, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDNULL(4, 0, 5), ///< bus/lorry tile
SLE_CONDVAR(Station, train_station.tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, train_station.tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDVAR(Station, airport_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, airport_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDVAR(Station, dock_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, dock_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_REF(Station, town, REF_TOWN),
SLE_VAR(Station, train_station.w, SLE_UINT8),
SLE_CONDVAR(Station, train_station.h, SLE_UINT8, 2, SL_MAX_VERSION),
SLE_CONDNULL(1, 0, 3), ///< alpha_order
SLE_VAR(Station, string_id, SLE_STRINGID),
SLE_CONDSTR(Station, name, SLE_STR, 0, 84, SL_MAX_VERSION),
SLE_CONDVAR(Station, indtype, SLE_UINT8, 103, SL_MAX_VERSION),
SLE_CONDVAR(Station, had_vehicle_of_type, SLE_FILE_U16 | SLE_VAR_U8, 0, 121),
SLE_CONDVAR(Station, had_vehicle_of_type, SLE_UINT8, 122, SL_MAX_VERSION),
SLE_VAR(Station, time_since_load, SLE_UINT8),
SLE_VAR(Station, time_since_unload, SLE_UINT8),
SLE_VAR(Station, delete_ctr, SLE_UINT8),
SLE_VAR(Station, owner, SLE_UINT8),
SLE_VAR(Station, facilities, SLE_UINT8),
SLE_VAR(Station, airport_type, SLE_UINT8),
SLE_CONDNULL(2, 0, 5), ///< Truck/bus stop status
SLE_CONDNULL(1, 0, 4), ///< Blocked months
SLE_CONDVAR(Station, airport_flags, SLE_VAR_U64 | SLE_FILE_U16, 0, 2),
SLE_CONDVAR(Station, airport_flags, SLE_VAR_U64 | SLE_FILE_U32, 3, 45),
SLE_CONDVAR(Station, airport_flags, SLE_UINT64, 46, SL_MAX_VERSION),
SLE_CONDNULL(2, 0, 25), ///< last-vehicle
SLE_CONDVAR(Station, last_vehicle_type, SLE_UINT8, 26, SL_MAX_VERSION),
SLE_CONDNULL(2, 3, 25), ///< custom station class and id
SLE_CONDVAR(Station, build_date, SLE_FILE_U16 | SLE_VAR_I32, 3, 30),
SLE_CONDVAR(Station, build_date, SLE_INT32, 31, SL_MAX_VERSION),
SLE_CONDREF(Station, bus_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION),
SLE_CONDREF(Station, truck_stops, REF_ROADSTOPS, 6, SL_MAX_VERSION),
/* Used by newstations for graphic variations */
SLE_CONDVAR(Station, random_bits, SLE_UINT16, 27, SL_MAX_VERSION),
SLE_CONDVAR(Station, waiting_triggers, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_CONDVAR(Station, num_specs, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_CONDLST(Station, loading_vehicles, REF_VEHICLE, 57, SL_MAX_VERSION),
/* reserve extra space in savegame here. (currently 32 bytes) */
SLE_CONDNULL(32, 2, SL_MAX_VERSION),
SLE_END()
};
static uint16 _waiting_acceptance;
static uint16 _cargo_source;
static uint32 _cargo_source_xy;
static uint16 _cargo_days;
static Money _cargo_feeder_share;
static const SaveLoad _station_speclist_desc[] = {
SLE_CONDVAR(StationSpecList, grfid, SLE_UINT32, 27, SL_MAX_VERSION),
SLE_CONDVAR(StationSpecList, localidx, SLE_UINT8, 27, SL_MAX_VERSION),
SLE_END()
};
/**
* Wrapper function to get the GoodsEntry's internal structure while
* some of the variables itself are private.
* @return the saveload description for GoodsEntry.
*/
const SaveLoad *GetGoodsDesc()
{
static const SaveLoad goods_desc[] = {
SLEG_CONDVAR( _waiting_acceptance, SLE_UINT16, 0, 67),
SLE_CONDVAR(GoodsEntry, acceptance_pickup, SLE_UINT8, 68, SL_MAX_VERSION),
SLE_CONDNULL(2, 51, 67),
SLE_VAR(GoodsEntry, days_since_pickup, SLE_UINT8),
SLE_VAR(GoodsEntry, rating, SLE_UINT8),
SLEG_CONDVAR( _cargo_source, SLE_FILE_U8 | SLE_VAR_U16, 0, 6),
SLEG_CONDVAR( _cargo_source, SLE_UINT16, 7, 67),
SLEG_CONDVAR( _cargo_source_xy, SLE_UINT32, 44, 67),
SLEG_CONDVAR( _cargo_days, SLE_UINT8, 0, 67),
SLE_VAR(GoodsEntry, last_speed, SLE_UINT8),
SLE_VAR(GoodsEntry, last_age, SLE_UINT8),
SLEG_CONDVAR( _cargo_feeder_share, SLE_FILE_U32 | SLE_VAR_I64, 14, 64),
SLEG_CONDVAR( _cargo_feeder_share, SLE_INT64, 65, 67),
SLE_CONDLST(GoodsEntry, cargo.packets, REF_CARGO_PACKET, 68, SL_MAX_VERSION),
SLE_END()
};
return goods_desc;
}
static void Load_STNS()
{
int index;
while ((index = SlIterateArray()) != -1) {
Station *st = new (index) Station();
SlObject(st, _old_station_desc);
_waiting_acceptance = 0;
uint num_cargo = CheckSavegameVersion(55) ? 12 : NUM_CARGO;
for (CargoID i = 0; i < num_cargo; i++) {
GoodsEntry *ge = &st->goods[i];
SlObject(ge, GetGoodsDesc());
if (CheckSavegameVersion(68)) {
SB(ge->acceptance_pickup, GoodsEntry::ACCEPTANCE, 1, HasBit(_waiting_acceptance, 15));
if (GB(_waiting_acceptance, 0, 12) != 0) {
/* In old versions, enroute_from used 0xFF as INVALID_STATION */
StationID source = (CheckSavegameVersion(7) && _cargo_source == 0xFF) ? INVALID_STATION : _cargo_source;
/* Don't construct the packet with station here, because that'll fail with old savegames */
ge->cargo.Append(new CargoPacket(GB(_waiting_acceptance, 0, 12), _cargo_days, source, _cargo_source_xy, _cargo_source_xy, _cargo_feeder_share));
SB(ge->acceptance_pickup, GoodsEntry::PICKUP, 1, 1);
}
}
}
if (st->num_specs != 0) {
/* Allocate speclist memory when loading a game */
st->speclist = CallocT<StationSpecList>(st->num_specs);
for (uint i = 0; i < st->num_specs; i++) {
SlObject(&st->speclist[i], _station_speclist_desc);
}
}
}
}
static void Ptrs_STNS()
{
/* Don't run when savegame version is higher than or equal to 123. */
if (!CheckSavegameVersion(123)) return;
Station *st;
FOR_ALL_STATIONS(st) {
if (!CheckSavegameVersion(68)) {
for (CargoID i = 0; i < NUM_CARGO; i++) {
GoodsEntry *ge = &st->goods[i];
SlObject(ge, GetGoodsDesc());
}
}
SlObject(st, _old_station_desc);
}
}
static const SaveLoad _base_station_desc[] = {
SLE_VAR(BaseStation, xy, SLE_UINT32),
SLE_REF(BaseStation, town, REF_TOWN),
SLE_VAR(BaseStation, string_id, SLE_STRINGID),
SLE_STR(BaseStation, name, SLE_STR, 0),
SLE_VAR(BaseStation, delete_ctr, SLE_UINT8),
SLE_VAR(BaseStation, owner, SLE_UINT8),
SLE_VAR(BaseStation, facilities, SLE_UINT8),
SLE_VAR(BaseStation, build_date, SLE_INT32),
/* Used by newstations for graphic variations */
SLE_VAR(BaseStation, random_bits, SLE_UINT16),
SLE_VAR(BaseStation, waiting_triggers, SLE_UINT8),
SLE_VAR(BaseStation, num_specs, SLE_UINT8),
SLE_END()
};
static const SaveLoad _station_desc[] = {
SLE_WRITEBYTE(Station, facilities, FACIL_NONE),
SLE_ST_INCLUDE(),
SLE_VAR(Station, train_station.tile, SLE_UINT32),
SLE_VAR(Station, train_station.w, SLE_UINT8),
SLE_VAR(Station, train_station.h, SLE_UINT8),
SLE_REF(Station, bus_stops, REF_ROADSTOPS),
SLE_REF(Station, truck_stops, REF_ROADSTOPS),
SLE_VAR(Station, dock_tile, SLE_UINT32),
SLE_VAR(Station, airport_tile, SLE_UINT32),
SLE_VAR(Station, airport_type, SLE_UINT8),
SLE_VAR(Station, airport_flags, SLE_UINT64),
SLE_VAR(Station, indtype, SLE_UINT8),
SLE_VAR(Station, time_since_load, SLE_UINT8),
SLE_VAR(Station, time_since_unload, SLE_UINT8),
SLE_VAR(Station, last_vehicle_type, SLE_UINT8),
SLE_VAR(Station, had_vehicle_of_type, SLE_UINT8),
SLE_LST(Station, loading_vehicles, REF_VEHICLE),
SLE_CONDVAR(Station, always_accepted, SLE_UINT32, 127, SL_MAX_VERSION),
SLE_END()
};
static const SaveLoad _waypoint_desc[] = {
SLE_WRITEBYTE(Waypoint, facilities, FACIL_WAYPOINT),
SLE_ST_INCLUDE(),
SLE_VAR(Waypoint, town_cn, SLE_UINT16),
SLE_CONDVAR(Waypoint, train_station.tile, SLE_UINT32, 124, SL_MAX_VERSION),
SLE_CONDVAR(Waypoint, train_station.w, SLE_UINT8, 124, SL_MAX_VERSION),
SLE_CONDVAR(Waypoint, train_station.h, SLE_UINT8, 124, SL_MAX_VERSION),
SLE_END()
};
/**
* Get the base station description to be used for SL_ST_INCLUDE
* @return the base station description.
*/
const SaveLoad *GetBaseStationDescription()
{
return _base_station_desc;
}
static void RealSave_STNN(BaseStation *bst)
{
bool waypoint = (bst->facilities & FACIL_WAYPOINT) != 0;
SlObject(bst, waypoint ? _waypoint_desc : _station_desc);
if (!waypoint) {
Station *st = Station::From(bst);
for (CargoID i = 0; i < NUM_CARGO; i++) {
SlObject(&st->goods[i], GetGoodsDesc());
}
}
for (uint i = 0; i < bst->num_specs; i++) {
SlObject(&bst->speclist[i], _station_speclist_desc);
}
}
static void Save_STNN()
{
BaseStation *st;
/* Write the stations */
FOR_ALL_BASE_STATIONS(st) {
SlSetArrayIndex(st->index);
SlAutolength((AutolengthProc*)RealSave_STNN, st);
}
}
static void Load_STNN()
{
int index;
while ((index = SlIterateArray()) != -1) {
bool waypoint = (SlReadByte() & FACIL_WAYPOINT) != 0;
BaseStation *bst = waypoint ? (BaseStation *)new (index) Waypoint() : new (index) Station();
SlObject(bst, waypoint ? _waypoint_desc : _station_desc);
if (!waypoint) {
Station *st = Station::From(bst);
for (CargoID i = 0; i < NUM_CARGO; i++) {
SlObject(&st->goods[i], GetGoodsDesc());
}
}
if (bst->num_specs != 0) {
/* Allocate speclist memory when loading a game */
bst->speclist = CallocT<StationSpecList>(bst->num_specs);
for (uint i = 0; i < bst->num_specs; i++) {
SlObject(&bst->speclist[i], _station_speclist_desc);
}
}
}
}
static void Ptrs_STNN()
{
/* Don't run when savegame version lower than 123. */
if (CheckSavegameVersion(123)) return;
Station *st;
FOR_ALL_STATIONS(st) {
for (CargoID i = 0; i < NUM_CARGO; i++) {
GoodsEntry *ge = &st->goods[i];
SlObject(ge, GetGoodsDesc());
}
SlObject(st, _station_desc);
}
Waypoint *wp;
FOR_ALL_WAYPOINTS(wp) {
SlObject(wp, _waypoint_desc);
}
}
static void Save_ROADSTOP()
{
RoadStop *rs;
FOR_ALL_ROADSTOPS(rs) {
SlSetArrayIndex(rs->index);
SlObject(rs, _roadstop_desc);
}
}
static void Load_ROADSTOP()
{
int index;
while ((index = SlIterateArray()) != -1) {
RoadStop *rs = new (index) RoadStop(INVALID_TILE);
SlObject(rs, _roadstop_desc);
}
}
static void Ptrs_ROADSTOP()
{
RoadStop *rs;
FOR_ALL_ROADSTOPS(rs) {
SlObject(rs, _roadstop_desc);
}
}
extern const ChunkHandler _station_chunk_handlers[] = {
{ 'STNS', NULL, Load_STNS, Ptrs_STNS, CH_ARRAY },
{ 'STNN', Save_STNN, Load_STNN, Ptrs_STNN, CH_ARRAY },
{ 'ROAD', Save_ROADSTOP, Load_ROADSTOP, Ptrs_ROADSTOP, CH_ARRAY | CH_LAST},
};
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