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(svn r8477) -Fix

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-Codechange: Remove the unnecessary attributes Station::{bus,lorry}_tile_obsolete by replacing them with a scan of the map for existing road stops when loading old savegames
This commit is contained in:
tron 2007-01-31 06:25:46 +00:00
parent 6e20c73c33
commit fe1691acce
4 changed files with 18 additions and 29 deletions
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7
src/oldloader.cpp
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@ -312,10 +312,6 @@ static void FixOldStations(void)
if (st->train_tile != 0 && GetRailStationAxis(st->train_tile) != AXIS_X) {
Swap(st->trainst_w, st->trainst_h);
}
/* Check if there is a bus or truck station, and convert to new format */
if (st->bus_tile_obsolete != 0) st->bus_stops = new RoadStop(st->bus_tile_obsolete);
if (st->lorry_tile_obsolete != 0) st->truck_stops = new RoadStop(st->lorry_tile_obsolete);
}
}
@ -578,8 +574,7 @@ static const OldChunks station_chunk[] = {
OCL_SVAR( OC_TILE, Station, xy ),
OCL_VAR ( OC_UINT32, 1, &_old_town_index ),
OCL_SVAR( OC_TILE, Station, bus_tile_obsolete ),
OCL_SVAR( OC_TILE, Station, lorry_tile_obsolete ),
OCL_NULL( 4 ), // bus/lorry tile
OCL_SVAR( OC_TILE, Station, train_tile ),
OCL_SVAR( OC_TILE, Station, airport_tile ),
OCL_SVAR( OC_TILE, Station, dock_tile ),

16
src/openttd.cpp
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@ -1282,6 +1282,22 @@ bool AfterLoadGame(void)
// In 5.1, Oilrigs have been moved (again)
if (CheckSavegameVersionOldStyle(5, 1)) UpdateOilRig();
/* From this version on there can be multiple road stops of the same type per
* station. Convert the existing stops to the new internal data structure.
*/
if (CheckSavegameVersion(6)) {
for (TileIndex t = 0; t < map_size; t++) {
if (IsRoadStopTile(t)) {
RoadStop *rs = new RoadStop(t);
if (rs == NULL) error("Too many road stops in savegame");
Station *st = GetStationByTile(t);
RoadStop **head = IsTruckStop(t) ? &st->truck_stops : &st->bus_stops;
*head = rs;
}
}
}
/* In version 6.1 we put the town index in the map-array. To do this, we need
* to use m2 (16bit big), so we need to clean m2, and that is where this is
* all about ;) */

4
src/station.h
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@ -142,10 +142,6 @@ struct Station {
uint16 random_bits;
byte waiting_triggers;
/* Stuff that is no longer used, but needed for conversion */
TileIndex bus_tile_obsolete;
TileIndex lorry_tile_obsolete;
StationRect rect; ///< Station spread out rectangle (not saved) maintained by StationRect_xxx() functions
static const int cDebugCtorLevel = 3;

20
src/station_cmd.cpp
View File

@ -2841,8 +2841,7 @@ static const SaveLoad _roadstop_desc[] = {
static const SaveLoad _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_CONDVAR(Station, bus_tile_obsolete, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, lorry_tile_obsolete, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDNULL(4, 0, 5), // bus/lorry tile
SLE_CONDVAR(Station, train_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLE_CONDVAR(Station, train_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLE_CONDVAR(Station, airport_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
@ -2972,23 +2971,6 @@ static void Load_STNS(void)
st->trainst_w = w;
st->trainst_h = h;
}
/* In older versions, we had just 1 tile for a bus/lorry, now we have more..
* convert, if needed */
if (CheckSavegameVersion(6)) {
if (st->bus_tile_obsolete != 0) {
st->bus_stops = new RoadStop(st->bus_tile_obsolete);
if (st->bus_stops == NULL)
error("Station: too many busstations in savegame");
}
if (st->lorry_tile_obsolete != 0) {
st->truck_stops = new RoadStop(st->lorry_tile_obsolete);
if (st->truck_stops == NULL)
error("Station: too many truckstations in savegame");
}
}
}
/* This is to ensure all pointers are within the limits of _stations_size */