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Fix #12387, eabb9db: [NewGRF] Wrong tile offset passed to rail station CB 149 (slope check)

This commit is contained in:
Michael Lutz 2024-03-24 16:58:57 +01:00
parent 71087bb6d3
commit 69acc132ca
1 changed files with 63 additions and 64 deletions
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19
src/station_cmd.cpp
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@ -864,8 +864,10 @@ static CommandCost CheckFlatLandAirport(AirportTileTableIterator tile_iter, DoCo
}
/**
* Checks if a rail station can be built at the given area.
* @param tile_area Area to check.
* Checks if a rail station can be built at the given tile.
* @param tile_cur Tile to check.
* @param north_tile North tile of the area being checked.
* @param allowed_z Height allowed for the tile. If allowed_z is negative, it will be set to the height of this tile.
* @param flags Operation to perform.
* @param axis Rail station axis.
* @param station StationID to be queried and returned if available.
@ -877,23 +879,21 @@ static CommandCost CheckFlatLandAirport(AirportTileTableIterator tile_iter, DoCo
* @param numtracks Number of platforms.
* @return The cost in case of success, or an error code if it failed.
*/
static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag flags, Axis axis, StationID *station, RailType rt, std::vector<Train *> &affected_vehicles, StationClassID spec_class, uint16_t spec_index, uint8_t plat_len, uint8_t numtracks)
static CommandCost CheckFlatLandRailStation(TileIndex tile_cur, TileIndex north_tile, int &allowed_z, DoCommandFlag flags, Axis axis, StationID *station, RailType rt, std::vector<Train *> &affected_vehicles, StationClassID spec_class, uint16_t spec_index, uint8_t plat_len, uint8_t numtracks)
{
CommandCost cost(EXPENSES_CONSTRUCTION);
int allowed_z = -1;
uint invalid_dirs = 5 << axis;
const StationSpec *statspec = StationClass::Get(spec_class)->GetSpec(spec_index);
bool slope_cb = statspec != nullptr && HasBit(statspec->callback_mask, CBM_STATION_SLOPE_CHECK);
for (TileIndex tile_cur : tile_area) {
CommandCost ret = CheckBuildableTile(tile_cur, invalid_dirs, allowed_z, false);
if (ret.Failed()) return ret;
cost.AddCost(ret);
if (slope_cb) {
/* Do slope check if requested. */
ret = PerformStationTileSlopeCheck(tile_area.tile, tile_cur, statspec, axis, plat_len, numtracks);
ret = PerformStationTileSlopeCheck(north_tile, tile_cur, statspec, axis, plat_len, numtracks);
if (ret.Failed()) return ret;
}
@ -939,14 +939,13 @@ static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag fl
if (ret.Failed()) return ret;
cost.AddCost(ret);
/* With flags & ~DC_EXEC CmdLandscapeClear would fail since the rail still exists */
continue;
return cost;
}
}
ret = Command<CMD_LANDSCAPE_CLEAR>::Do(flags, tile_cur);
if (ret.Failed()) return ret;
cost.AddCost(ret);
}
}
return cost;
}
@ -1265,9 +1264,10 @@ static CommandCost CalculateRailStationCost(TileArea tile_area, DoCommandFlag fl
CommandCost cost(EXPENSES_CONSTRUCTION);
bool length_price_ready = true;
uint8_t tracknum = 0;
int allowed_z = -1;
for (TileIndex cur_tile : tile_area) {
/* Clear the land below the station. */
CommandCost ret = CheckFlatLandRailStation(TileArea(cur_tile, 1, 1), flags, axis, station, rt, affected_vehicles, spec_class, spec_index, plat_len, numtracks);
CommandCost ret = CheckFlatLandRailStation(cur_tile, tile_area.tile, allowed_z, flags, axis, station, rt, affected_vehicles, spec_class, spec_index, plat_len, numtracks);
if (ret.Failed()) return ret;
/* Only add _price[PR_BUILD_STATION_RAIL_LENGTH] once for each valid plat_len. */
@ -1280,7 +1280,6 @@ static CommandCost CalculateRailStationCost(TileArea tile_area, DoCommandFlag fl
/* AddCost for new or rotated rail stations. */
if (!IsRailStationTile(cur_tile) || (IsRailStationTile(cur_tile) && GetRailStationAxis(cur_tile) != axis)) {
cost.AddCost(ret);
cost.AddCost(_price[PR_BUILD_STATION_RAIL]);
cost.AddCost(RailBuildCost(rt));