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Disallow building bridges over airports

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This commit is contained in:
Jonathan G Rennison
2018-07-30 01:55:58 +01:00
parent 25bfeec048
commit b9d7f8e0a7
3 changed files with 7 additions and 31 deletions
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34
src/station_cmd.cpp
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@@ -731,9 +731,9 @@ CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
* @param check_bridge Check for the existence of a bridge.
* @return The cost in case of success, or an error code if it failed.
*/
CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool allow_steep, bool check_bridge = true)
CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool allow_steep, bool check_bridge)
{
if (check_bridge && IsBridgeAbove(tile) && !_settings_game.construction.allow_stations_under_bridges) {
if (check_bridge && IsBridgeAbove(tile)) {
return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
}
@@ -775,30 +775,6 @@ CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z
return cost;
}
/**
* Tries to clear the given area.
* @param tile_area Area to check.
* @param flags Operation to perform.
* @return The cost in case of success, or an error code if it failed.
*/
CommandCost CheckFlatLand(TileArea tile_area, DoCommandFlag flags)
{
CommandCost cost(EXPENSES_CONSTRUCTION);
int allowed_z = -1;
TILE_AREA_LOOP(tile_cur, tile_area) {
CommandCost ret = CheckBuildableTile(tile_cur, 0, allowed_z, true);
if (ret.Failed()) return ret;
cost.AddCost(ret);
ret = DoCommand(tile_cur, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (ret.Failed()) return ret;
cost.AddCost(ret);
}
return cost;
}
/**
* Checks if a rail station can be built at the given area.
* @param tile_area Area to check.
@@ -823,7 +799,7 @@ static CommandCost CheckFlatLandRailStation(TileArea tile_area, DoCommandFlag fl
bool slope_cb = statspec != NULL && HasBit(statspec->callback_mask, CBM_STATION_SLOPE_CHECK);
TILE_AREA_LOOP(tile_cur, tile_area) {
CommandCost ret = CheckBuildableTile(tile_cur, invalid_dirs, allowed_z, false);
CommandCost ret = CheckBuildableTile(tile_cur, invalid_dirs, allowed_z, false, !_settings_game.construction.allow_stations_under_bridges);
if (ret.Failed()) return ret;
cost.AddCost(ret);
@@ -905,7 +881,7 @@ static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags
int allowed_z = -1;
TILE_AREA_LOOP(cur_tile, tile_area) {
CommandCost ret = CheckBuildableTile(cur_tile, invalid_dirs, allowed_z, !is_drive_through);
CommandCost ret = CheckBuildableTile(cur_tile, invalid_dirs, allowed_z, !is_drive_through, !_settings_game.construction.allow_stations_under_bridges);
if (ret.Failed()) return ret;
cost.AddCost(ret);
@@ -1009,7 +985,7 @@ static CommandCost CheckFlatLandAirport(TileArea tile_area, DoCommandFlag flags,
int allowed_z = -1;
TILE_AREA_LOOP(tile_cur, tile_area) {
CommandCost ret = CheckBuildableTile(tile_cur, 0, allowed_z, true);
CommandCost ret = CheckBuildableTile(tile_cur, 0, allowed_z, true, true);
if (ret.Failed()) return ret;
cost.AddCost(ret);