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@ r11049:6eb2c87ed64a
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Location: cpp/openttd-patchpack/source/src/ai/api/ai_station.cpp
r11049:6eb2c87ed64a
4.4 KiB
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(svn r15389) -Feature: Add ability to select which base graphics set is used from the Game Options window. The change takes effect when the window is closed. This option can only be used from the intro menu, as reloading graphics during a game may cause issues.
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/** @file ai_station.cpp Implementation of AIStation. */
#include "ai_station.hpp"
#include "ai_cargo.hpp"
#include "ai_map.hpp"
#include "ai_town.hpp"
#include "../../command_func.h"
#include "../../debug.h"
#include "../../station_map.h"
#include "../../string_func.h"
#include "../../strings_func.h"
#include "../../company_func.h"
#include "../../town.h"
#include "table/strings.h"
/* static */ bool AIStation::IsValidStation(StationID station_id)
{
return ::IsValidStationID(station_id) && ::GetStation(station_id)->owner == _current_company;
}
/* static */ StationID AIStation::GetStationID(TileIndex tile)
{
if (!::IsValidTile(tile) || !::IsTileType(tile, MP_STATION)) return INVALID_STATION;
return ::GetStationIndex(tile);
}
/* static */ char *AIStation::GetName(StationID station_id)
{
if (!IsValidStation(station_id)) return NULL;
static const int len = 64;
char *station_name = MallocT<char>(len);
::SetDParam(0, GetStation(station_id)->index);
::GetString(station_name, STR_STATION, &station_name[len - 1]);
return station_name;
}
/* static */ bool AIStation::SetName(StationID station_id, const char *name)
{
EnforcePrecondition(false, IsValidStation(station_id));
EnforcePrecondition(false, !::StrEmpty(name));
EnforcePreconditionCustomError(false, ::strlen(name) < MAX_LENGTH_STATION_NAME_BYTES, AIError::ERR_PRECONDITION_STRING_TOO_LONG);
return AIObject::DoCommand(0, station_id, 0, CMD_RENAME_STATION, name);
}
/* static */ TileIndex AIStation::GetLocation(StationID station_id)
{
if (!IsValidStation(station_id)) return INVALID_TILE;
return ::GetStation(station_id)->xy;
}
/* static */ int32 AIStation::GetCargoWaiting(StationID station_id, CargoID cargo_id)
{
if (!IsValidStation(station_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
return ::GetStation(station_id)->goods[cargo_id].cargo.Count();
}
/* static */ int32 AIStation::GetCargoRating(StationID station_id, CargoID cargo_id)
{
if (!IsValidStation(station_id)) return -1;
if (!AICargo::IsValidCargo(cargo_id)) return -1;
return ::GetStation(station_id)->goods[cargo_id].rating * 101 >> 8;
}
/* static */ int32 AIStation::GetCoverageRadius(AIStation::StationType station_type)
{
if (station_type == STATION_AIRPORT) {
DEBUG(ai, 0, "GetCoverageRadius(): coverage radius of airports needs to be requested via AIAirport::GetAirportCoverageRadius(), as it requires AirportType");
return -1;
}
if (CountBits(station_type) != 1) 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 AIStation::GetDistanceManhattanToTile(StationID station_id, TileIndex tile)
{
if (!IsValidStation(station_id)) return -1;
return AIMap::DistanceManhattan(tile, GetLocation(station_id));
}
/* static */ int32 AIStation::GetDistanceSquareToTile(StationID station_id, TileIndex tile)
{
if (!IsValidStation(station_id)) return -1;
return AIMap::DistanceSquare(tile, GetLocation(station_id));
}
/* static */ bool AIStation::IsWithinTownInfluence(StationID station_id, TownID town_id)
{
if (!IsValidStation(station_id)) return false;
return AITown::IsWithinTownInfluence(town_id, GetLocation(station_id));
}
/* static */ bool AIStation::HasStationType(StationID station_id, StationType station_type)
{
if (!IsValidStation(station_id)) return false;
if (CountBits(station_type) != 1) return false;
return (::GetStation(station_id)->facilities & station_type) != 0;
}
/* static */ bool AIStation::HasRoadType(StationID station_id, AIRoad::RoadType road_type)
{
if (!IsValidStation(station_id)) return false;
if (!AIRoad::IsRoadTypeAvailable(road_type)) return false;
::RoadTypes r = RoadTypeToRoadTypes((::RoadType)road_type);
for (const RoadStop *rs = ::GetStation(station_id)->GetPrimaryRoadStop(ROADSTOP_BUS); rs != NULL; rs = rs->next) {
if ((::GetRoadTypes(rs->xy) & r) != 0) return true;
}
for (const RoadStop *rs = ::GetStation(station_id)->GetPrimaryRoadStop(ROADSTOP_TRUCK); rs != NULL; rs = rs->next) {
if ((::GetRoadTypes(rs->xy) & r) != 0) return true;
}
return false;
}
/* static */ TownID AIStation::GetNearestTown(StationID station_id)
{
if (!IsValidStation(station_id)) return INVALID_TOWN;
return ::GetStation(station_id)->town->index;
}
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