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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 script_airport.cpp Implementation of ScriptAirport. */
#include "../../stdafx.h"
#include "script_airport.hpp"
#include "script_station.hpp"
#include "../../station_base.h"
#include "../../company_func.h"
#include "../../town.h"
/* static */ bool ScriptAirport::IsValidAirportType(AirportType type)
{
return IsAirportInformationAvailable(type) && ::AirportSpec::Get(type)->IsAvailable();
}
/* static */ bool ScriptAirport::IsAirportInformationAvailable(AirportType type)
{
return type >= 0 && type < (AirportType)NUM_AIRPORTS && AirportSpec::Get(type)->enabled;
}
/* static */ Money ScriptAirport::GetPrice(AirportType type)
{
if (!IsValidAirportType(type)) return -1;
const AirportSpec *as = ::AirportSpec::Get(type);
return _price[PR_BUILD_STATION_AIRPORT] * as->size_x * as->size_y;
}
/* static */ bool ScriptAirport::IsHangarTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTileType(tile, MP_STATION) && ::IsHangar(tile);
}
/* static */ bool ScriptAirport::IsAirportTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTileType(tile, MP_STATION) && ::IsAirport(tile);
}
/* static */ int32 ScriptAirport::GetAirportWidth(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return ::AirportSpec::Get(type)->size_x;
}
/* static */ int32 ScriptAirport::GetAirportHeight(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return ::AirportSpec::Get(type)->size_y;
}
/* static */ int32 ScriptAirport::GetAirportCoverageRadius(AirportType type)
{
if (!IsAirportInformationAvailable(type)) return -1;
return _settings_game.station.modified_catchment ? ::AirportSpec::Get(type)->catchment : (uint)CA_UNMODIFIED;
}
/* static */ bool ScriptAirport::BuildAirport(TileIndex tile, AirportType type, StationID station_id)
{
EnforcePrecondition(false, ::IsValidTile(tile));
EnforcePrecondition(false, IsValidAirportType(type));
EnforcePrecondition(false, station_id == ScriptStation::STATION_NEW || station_id == ScriptStation::STATION_JOIN_ADJACENT || ScriptStation::IsValidStation(station_id));
uint p2 = station_id == ScriptStation::STATION_JOIN_ADJACENT ? 0 : 1;
p2 |= (ScriptStation::IsValidStation(station_id) ? station_id : INVALID_STATION) << 16;
return ScriptObject::DoCommand(tile, type, p2, CMD_BUILD_AIRPORT);
}
/* static */ bool ScriptAirport::RemoveAirport(TileIndex tile)
{
EnforcePrecondition(false, ::IsValidTile(tile))
EnforcePrecondition(false, IsAirportTile(tile) || IsHangarTile(tile));
return ScriptObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}
/* static */ int32 ScriptAirport::GetNumHangars(TileIndex tile)
{
if (!::IsValidTile(tile)) return -1;
if (!::IsTileType(tile, MP_STATION)) return -1;
const Station *st = ::Station::GetByTile(tile);
if (st->owner != _current_company) return -1;
if ((st->facilities & FACIL_AIRPORT) == 0) return -1;
return st->airport.GetNumHangars();
}
/* static */ TileIndex ScriptAirport::GetHangarOfAirport(TileIndex tile)
{
if (!::IsValidTile(tile)) return INVALID_TILE;
if (!::IsTileType(tile, MP_STATION)) return INVALID_TILE;
if (GetNumHangars(tile) < 1) return INVALID_TILE;
const Station *st = ::Station::GetByTile(tile);
if (st->owner != _current_company) return INVALID_TILE;
if ((st->facilities & FACIL_AIRPORT) == 0) return INVALID_TILE;
return st->airport.GetHangarTile(0);
}
/* static */ ScriptAirport::AirportType ScriptAirport::GetAirportType(TileIndex tile)
{
if (!ScriptTile::IsStationTile(tile)) return AT_INVALID;
StationID station_id = ::GetStationIndex(tile);
if (!ScriptStation::HasStationType(station_id, ScriptStation::STATION_AIRPORT)) return AT_INVALID;
return (AirportType)::Station::Get(station_id)->airport.type;
}
/* static */ int ScriptAirport::GetNoiseLevelIncrease(TileIndex tile, AirportType type)
{
extern Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile);
extern uint8 GetAirportNoiseLevelForTown(const AirportSpec *as, TileIndex town_tile, TileIndex tile);
if (!::IsValidTile(tile)) return -1;
if (!IsAirportInformationAvailable(type)) return -1;
if (_settings_game.economy.station_noise_level) {
const AirportSpec *as = ::AirportSpec::Get(type);
const Town *t = AirportGetNearestTown(as, tile);
return GetAirportNoiseLevelForTown(as, t->xy, tile);
}
return 1;
}
/* static */ TownID ScriptAirport::GetNearestTown(TileIndex tile, AirportType type)
{
extern Town *AirportGetNearestTown(const AirportSpec *as, TileIndex airport_tile);
if (!::IsValidTile(tile)) return INVALID_TOWN;
if (!IsAirportInformationAvailable(type)) return INVALID_TOWN;
return AirportGetNearestTown(AirportSpec::Get(type), tile)->index;
}
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