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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_station.cpp Implementation of ScriptStation. */
#include "../../stdafx.h"
#include "script_station.hpp"
#include "script_map.hpp"
#include "script_town.hpp"
#include "script_cargo.hpp"
#include "../../station_base.h"
#include "../../roadstop_base.h"
#include "../../town.h"
#include "../../safeguards.h"
/* static */ bool ScriptStation::IsValidStation(StationID station_id)
{
const Station *st = ::Station::GetIfValid(station_id);
return st != NULL && (st->owner == ScriptObject::GetCompany() || ScriptObject::GetCompany() == OWNER_DEITY || st->owner == OWNER_NONE);
}
/* static */ ScriptCompany::CompanyID ScriptStation::GetOwner(StationID station_id)
{
if (!IsValidStation(station_id)) return ScriptCompany::COMPANY_INVALID;
return static_cast<ScriptCompany::CompanyID>((int)::Station::Get(station_id)->owner);
}
/* static */ StationID ScriptStation::GetStationID(TileIndex tile)
{
if (!::IsValidTile(tile) || !::IsTileType(tile, MP_STATION)) return INVALID_STATION;
return ::GetStationIndex(tile);
}
template<bool Tfrom, bool Tvia>
/* static */ int32 ScriptStation::CountCargoWaiting(StationID station_id,
StationID from_station_id, StationID via_station_id, CargoID cargo_id)
{
if (!IsValidStation(station_id)) return -1;
if (Tfrom && !IsValidStation(from_station_id) && from_station_id != STATION_INVALID) return -1;
if (Tvia && !IsValidStation(via_station_id) && via_station_id != STATION_INVALID) return -1;
if (!ScriptCargo::IsValidCargo(cargo_id)) return -1;
const StationCargoList &cargo_list = ::Station::Get(station_id)->goods[cargo_id].cargo;
if (!Tfrom && !Tvia) return cargo_list.TotalCount();
uint16 cargo_count = 0;
std::pair<StationCargoList::ConstIterator, StationCargoList::ConstIterator> range = Tvia ?
cargo_list.Packets()->equal_range(via_station_id) :
std::make_pair<StationCargoList::ConstIterator, StationCargoList::ConstIterator>(
StationCargoList::ConstIterator(cargo_list.Packets()->begin()),
StationCargoList::ConstIterator(cargo_list.Packets()->end()));
for (StationCargoList::ConstIterator it = range.first; it != range.second; it++) {
const CargoPacket *cp = *it;
if (!Tfrom || cp->SourceStation() == from_station_id) cargo_count += cp->Count();
}
return cargo_count;
}
/* static */ int32 ScriptStation::GetCargoWaiting(StationID station_id, CargoID cargo_id)
{
return CountCargoWaiting<false, false>(station_id, STATION_INVALID, STATION_INVALID, cargo_id);
}
/* static */ int32 ScriptStation::GetCargoWaitingFrom(StationID station_id,
StationID from_station_id, CargoID cargo_id)
{
return CountCargoWaiting<true, false>(station_id, from_station_id, STATION_INVALID, cargo_id);
}
/* static */ int32 ScriptStation::GetCargoWaitingVia(StationID station_id,
StationID via_station_id, CargoID cargo_id)
{
return CountCargoWaiting<false, true>(station_id, STATION_INVALID, via_station_id, cargo_id);
}
/* static */ int32 ScriptStation::GetCargoWaitingFromVia(StationID station_id,
StationID from_station_id, StationID via_station_id, CargoID cargo_id)
{
return CountCargoWaiting<true, true>(station_id, from_station_id, via_station_id, cargo_id);
}
/* static */ bool ScriptStation::HasCargoRating(StationID station_id, CargoID cargo_id)
{
if (!IsValidStation(station_id)) return false;
if (!ScriptCargo::IsValidCargo(cargo_id)) return false;
return ::Station::Get(station_id)->goods[cargo_id].HasRating();
}
/* static */ int32 ScriptStation::GetCargoRating(StationID station_id, CargoID cargo_id)
{
if (!ScriptStation::HasCargoRating(station_id, cargo_id)) return -1;
return ::ToPercent8(::Station::Get(station_id)->goods[cargo_id].rating);
}
/* static */ int32 ScriptStation::GetCoverageRadius(ScriptStation::StationType station_type)
{
if (station_type == STATION_AIRPORT) return -1;
if (!HasExactlyOneBit(station_type)) return -1;
if (!_settings_game.station.modified_catchment) return CA_UNMODIFIED;
switch (station_type) {
case STATION_TRAIN: return CA_TRAIN;
case STATION_TRUCK_STOP: return CA_TRUCK;
case STATION_BUS_STOP: return CA_BUS;
case STATION_DOCK: return CA_DOCK;
default: return CA_NONE;
}
}
/* static */ int32 ScriptStation::GetStationCoverageRadius(StationID station_id)
{
if (!IsValidStation(station_id)) return -1;
return Station::Get(station_id)->GetCatchmentRadius();
}
/* static */ int32 ScriptStation::GetDistanceManhattanToTile(StationID station_id, TileIndex tile)
{
if (!IsValidStation(station_id)) return -1;
return ScriptMap::DistanceManhattan(tile, GetLocation(station_id));
}
/* static */ int32 ScriptStation::GetDistanceSquareToTile(StationID station_id, TileIndex tile)
{
if (!IsValidStation(station_id)) return -1;
return ScriptMap::DistanceSquare(tile, GetLocation(station_id));
}
/* static */ bool ScriptStation::IsWithinTownInfluence(StationID station_id, TownID town_id)
{
if (!IsValidStation(station_id)) return false;
return ScriptTown::IsWithinTownInfluence(town_id, GetLocation(station_id));
}
/* static */ bool ScriptStation::HasStationType(StationID station_id, StationType station_type)
{
if (!IsValidStation(station_id)) return false;
if (!HasExactlyOneBit(station_type)) return false;
return (::Station::Get(station_id)->facilities & station_type) != 0;
}
/* static */ bool ScriptStation::HasRoadType(StationID station_id, ScriptRoad::RoadType road_type)
{
if (!IsValidStation(station_id)) return false;
if (!ScriptRoad::IsRoadTypeAvailable(road_type)) return false;
::RoadTypes r = RoadTypeToRoadTypes((::RoadType)road_type);
for (const RoadStop *rs = ::Station::Get(station_id)->GetPrimaryRoadStop(ROADSTOP_BUS); rs != NULL; rs = rs->next) {
if ((::GetRoadTypes(rs->xy) & r) != 0) return true;
}
for (const RoadStop *rs = ::Station::Get(station_id)->GetPrimaryRoadStop(ROADSTOP_TRUCK); rs != NULL; rs = rs->next) {
if ((::GetRoadTypes(rs->xy) & r) != 0) return true;
}
return false;
}
/* static */ TownID ScriptStation::GetNearestTown(StationID station_id)
{
if (!IsValidStation(station_id)) return INVALID_TOWN;
return ::Station::Get(station_id)->town->index;
}
/*static */ bool ScriptStation::IsAirportClosed(StationID station_id)
{
EnforcePrecondition(false, IsValidStation(station_id));
EnforcePrecondition(false, HasStationType(station_id, STATION_AIRPORT));
return (::Station::Get(station_id)->airport.flags & AIRPORT_CLOSED_block) != 0;
}
/*static */ bool ScriptStation::OpenCloseAirport(StationID station_id)
{
EnforcePrecondition(false, IsValidStation(station_id));
EnforcePrecondition(false, HasStationType(station_id, STATION_AIRPORT));
return ScriptObject::DoCommand(0, station_id, 0, CMD_OPEN_CLOSE_AIRPORT);
}
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