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(svn r16791) -Codechange: unify (and document) the Remove[StationType] functions.

This commit is contained in:
rubidium 2009-07-10 22:46:30 +00:00
parent b58001f695
commit 86768da0f6
1 changed files with 51 additions and 21 deletions
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72
src/station_cmd.cpp
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@ -1234,13 +1234,21 @@ CommandCost CmdRemoveFromRailroadStation(TileIndex tile, DoCommandFlag flags, ui
}
static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, DoCommandFlag flags)
/**
* Remove a rail road station
* @param tile TileIndex been queried
* @param flags operation to perform
* @return cost or failure of operation
*/
static CommandCost RemoveRailroadStation(TileIndex tile, DoCommandFlag flags)
{
/* if there is flooding and non-uniform stations are enabled, remove platforms tile by tile */
if (_current_company == OWNER_WATER && _settings_game.station.nonuniform_stations) {
return DoCommand(tile, 0, 0, DC_EXEC, CMD_REMOVE_FROM_RAILROAD_STATION);
}
Station *st = Station::GetByTile(tile);
/* Current company owns the station? */
if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) return CMD_ERROR;
@ -1258,8 +1266,9 @@ static CommandCost RemoveRailroadStation(Station *st, TileIndex tile, DoCommandF
do {
/* for nonuniform stations, only remove tiles that are actually train station tiles */
if (st->TileBelongsToRailStation(tile)) {
if (!EnsureNoVehicleOnGround(tile))
if (!EnsureNoVehicleOnGround(tile)) {
return CMD_ERROR;
}
cost.AddCost(_price.remove_rail_station);
if (flags & DC_EXEC) {
/* read variables before the station tile is removed */
@ -1480,14 +1489,16 @@ static Vehicle *ClearRoadStopStatusEnum(Vehicle *v, void *)
}
/** Remove a bus station
* @param st Station to remove
* @param flags operation to perform
/**
* Remove a bus station/truck stop
* @param tile TileIndex been queried
* @param flags operation to perform
* @return cost or failure of operation
*/
static CommandCost RemoveRoadStop(Station *st, DoCommandFlag flags, TileIndex tile)
static CommandCost RemoveRoadStop(TileIndex tile, DoCommandFlag flags)
{
Station *st = Station::GetByTile(tile);
if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
return CMD_ERROR;
}
@ -1562,7 +1573,7 @@ CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, ui
{
/* Make sure the specified tile is a road stop of the correct type */
if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile) || (uint32)GetRoadStopType(tile) != GB(p2, 0, 1)) return CMD_ERROR;
Station *st = Station::GetByTile(tile);
/* Save the stop info before it is removed */
bool is_drive_through = IsDriveThroughStopTile(tile);
RoadTypes rts = GetRoadTypes(tile);
@ -1572,7 +1583,7 @@ CommandCost CmdRemoveRoadStop(TileIndex tile, DoCommandFlag flags, uint32 p1, ui
Owner road_owner = GetRoadOwner(tile, ROADTYPE_ROAD);
Owner tram_owner = GetRoadOwner(tile, ROADTYPE_TRAM);
CommandCost ret = RemoveRoadStop(st, flags, tile);
CommandCost ret = RemoveRoadStop(tile, flags);
/* If the stop was a drive-through stop replace the road */
if ((flags & DC_EXEC) && CmdSucceeded(ret) && is_drive_through) {
@ -1843,13 +1854,21 @@ CommandCost CmdBuildAirport(TileIndex tile, DoCommandFlag flags, uint32 p1, uint
return cost;
}
static CommandCost RemoveAirport(Station *st, DoCommandFlag flags)
/**
* Remove an airport
* @param tile TileIndex been queried
* @param flags operation to perform
* @return cost or failure of operation
*/
static CommandCost RemoveAirport(TileIndex tile, DoCommandFlag flags)
{
Station *st = Station::GetByTile(tile);
if (_current_company != OWNER_WATER && !CheckOwnership(st->owner)) {
return CMD_ERROR;
}
TileIndex tile = st->airport_tile;
tile = st->airport_tile;
const AirportFTAClass *afc = st->Airport();
int w = afc->size_x;
@ -1972,12 +1991,18 @@ bool HasStationInUse(StationID station, CompanyID company)
return false;
}
static CommandCost RemoveBuoy(Station *st, DoCommandFlag flags)
/**
* Remove a buoy
* @param tile TileIndex been queried
* @param flags operation to perform
* @return cost or failure of operation
*/
static CommandCost RemoveBuoy(TileIndex tile, DoCommandFlag flags)
{
/* XXX: strange stuff, allow clearing as invalid company when clearing landscape */
if (!Company::IsValidID(_current_company) && !(flags & DC_BANKRUPT)) return_cmd_error(INVALID_STRING_ID);
TileIndex tile = st->dock_tile;
Station *st = Station::GetByTile(tile);
if (HasStationInUse(st->index, INVALID_COMPANY)) return_cmd_error(STR_BUOY_IS_IN_USE);
/* remove the buoy if there is a ship on tile when company goes bankrupt... */
@ -2124,8 +2149,15 @@ CommandCost CmdBuildDock(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
return CommandCost(EXPENSES_CONSTRUCTION, _price.build_dock);
}
static CommandCost RemoveDock(Station *st, DoCommandFlag flags)
/**
* Remove a dock
* @param tile TileIndex been queried
* @param flags operation to perform
* @return cost or failure of operation
*/
static CommandCost RemoveDock(TileIndex tile, DoCommandFlag flags)
{
Station *st = Station::GetByTile(tile);
if (!CheckOwnership(st->owner)) return CMD_ERROR;
TileIndex tile1 = st->dock_tile;
@ -3074,21 +3106,19 @@ static CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags)
}
}
Station *st = Station::GetByTile(tile);
switch (GetStationType(tile)) {
case STATION_RAIL: return RemoveRailroadStation(st, tile, flags);
case STATION_AIRPORT: return RemoveAirport(st, flags);
case STATION_RAIL: return RemoveRailroadStation(tile, flags);
case STATION_AIRPORT: return RemoveAirport(tile, flags);
case STATION_TRUCK:
if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
return_cmd_error(STR_ERROR_MUST_DEMOLISH_TRUCK_STATION_FIRST);
return RemoveRoadStop(st, flags, tile);
return RemoveRoadStop(tile, flags);
case STATION_BUS:
if (IsDriveThroughStopTile(tile) && !CanRemoveRoadWithStop(tile, flags))
return_cmd_error(STR_ERROR_MUST_DEMOLISH_BUS_STATION_FIRST);
return RemoveRoadStop(st, flags, tile);
case STATION_BUOY: return RemoveBuoy(st, flags);
case STATION_DOCK: return RemoveDock(st, flags);
return RemoveRoadStop(tile, flags);
case STATION_BUOY: return RemoveBuoy(tile, flags);
case STATION_DOCK: return RemoveDock(tile, flags);
default: break;
}