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authortruebrain <truebrain@openttd.org>2011-11-29 23:07:38 +0000
committertruebrain <truebrain@openttd.org>2011-11-29 23:07:38 +0000
commitafdb67a3534f85b4efbd3327ece8137211042d7b (patch)
treeb62375a3846c2089e1c6904331e8f5a3d44851ba /src/ai/api/ai_town.hpp
parent5f6dc2466318b1275e8b654a260a6c565a0ecc5c (diff)
downloadopenttd-afdb67a3534f85b4efbd3327ece8137211042d7b.tar.xz
(svn r23354) -Codechange: move all src/ai/api/ai_*.[hc]pp files to src/script/api/script_* (Rubidium)
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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 ai_town.hpp Everything to query towns. */
-
-#ifndef AI_TOWN_HPP
-#define AI_TOWN_HPP
-
-#include "ai_cargo.hpp"
-#include "ai_company.hpp"
-
-/**
- * Class that handles all town related functions.
- */
-class AITown : public AIObject {
-public:
- /**
- * Actions that one can perform on a town.
- */
- enum TownAction {
- /* Values are important, as they represent the internal state of the game. */
-
- /**
- * The cargo ratings temporary gains 25% of rating (in
- * absolute percentage, so 10% becomes 35%, with a max of 99%)
- * for all stations within 10 tiles.
- */
- TOWN_ACTION_ADVERTISE_SMALL = 0,
-
- /**
- * The cargo ratings temporary gains 44% of rating (in
- * absolute percentage, so 10% becomes 54%, with a max of 99%)
- * for all stations within 15 tiles.
- */
- TOWN_ACTION_ADVERTISE_MEDIUM = 1,
-
- /**
- * The cargo ratings temporary gains 63% of rating (in
- * absolute percentage, so 10% becomes 73%, with a max of 99%)
- * for all stations within 20 tiles.
- */
- TOWN_ACTION_ADVERTISE_LARGE = 2,
-
- /**
- * Rebuild the roads of this town for 6 months.
- */
- TOWN_ACTION_ROAD_REBUILD = 3,
-
- /**
- * Build a statue in this town.
- */
- TOWN_ACTION_BUILD_STATUE = 4,
-
- /**
- * Fund the creation of extra buildings for 3 months.
- */
- TOWN_ACTION_FUND_BUILDINGS = 5,
-
- /**
- * Buy exclusive rights for this town for 12 months.
- */
- TOWN_ACTION_BUY_RIGHTS = 6,
-
- /**
- * Bribe the town in order to get a higher rating.
- */
- TOWN_ACTION_BRIBE = 7,
- };
-
- /**
- * Different ratings one could have in a town.
- */
- enum TownRating {
- TOWN_RATING_NONE, ///< The company got no rating in the town.
- TOWN_RATING_APPALLING, ///< The company got an appalling rating in the town .
- TOWN_RATING_VERY_POOR, ///< The company got an very poor rating in the town.
- TOWN_RATING_POOR, ///< The company got an poor rating in the town.
- TOWN_RATING_MEDIOCRE, ///< The company got an mediocre rating in the town.
- TOWN_RATING_GOOD, ///< The company got an good rating in the town.
- TOWN_RATING_VERY_GOOD, ///< The company got an very good rating in the town.
- TOWN_RATING_EXCELLENT, ///< The company got an excellent rating in the town.
- TOWN_RATING_OUTSTANDING, ///< The company got an outstanding rating in the town.
- TOWN_RATING_INVALID = -1, ///< The town rating for invalid towns/companies.
- };
-
- /**
- * Possible layouts for the roads in a town.
- */
- enum RoadLayout {
- /* Order IS important, as it matches an in-game value */
- ROAD_LAYOUT_ORIGINAL, ///< Original algorithm (min. 1 distance between roads).
- ROAD_LAYOUT_BETTER_ROADS, ///< Extended original algorithm (min. 2 distance between roads).
- ROAD_LAYOUT_2x2, ///< Geometric 2x2 grid algorithm
- ROAD_LAYOUT_3x3, ///< Geometric 3x3 grid algorithm
- ROAD_LAYOUT_INVALID = -1, ///< The layout for invalid towns.
- };
-
- /**
- * Gets the number of towns.
- * @return The number of towns.
- */
- static int32 GetTownCount();
-
- /**
- * Checks whether the given town index is valid.
- * @param town_id The index to check.
- * @return True if and only if the town is valid.
- */
- static bool IsValidTown(TownID town_id);
-
- /**
- * Get the name of the town.
- * @param town_id The town to get the name of.
- * @pre IsValidTown(town_id).
- * @return The name of the town.
- */
- static char *GetName(TownID town_id);
-
- /**
- * Gets the number of inhabitants in the town.
- * @param town_id The town to get the population of.
- * @pre IsValidTown(town_id).
- * @return The number of inhabitants.
- */
- static int32 GetPopulation(TownID town_id);
-
- /**
- * Gets the number of houses in the town.
- * @param town_id The town to get the number of houses of.
- * @pre IsValidTown(town_id).
- * @return The number of houses.
- */
- static int32 GetHouseCount(TownID town_id);
-
- /**
- * Gets the location of the town.
- * @param town_id The town to get the location of.
- * @pre IsValidTown(town_id).
- * @return The location of the town.
- */
- static TileIndex GetLocation(TownID town_id);
-
- /**
- * Get the total last month's production of the given cargo at a town.
- * @param town_id The index of the town.
- * @param cargo_id The index of the cargo.
- * @pre IsValidTown(town_id).
- * @pre AICargo::IsValidCargo(cargo_id).
- * @return The last month's production of the given cargo for this town.
- */
- static int32 GetLastMonthProduction(TownID town_id, CargoID cargo_id);
-
- /**
- * Get the total amount of cargo supplied from a town last month.
- * @param town_id The index of the town.
- * @param cargo_id The index of the cargo.
- * @pre IsValidTown(town_id).
- * @pre AICargo::IsValidCargo(cargo_id).
- * @return The amount of cargo supplied for transport from this town last month.
- */
- static int32 GetLastMonthSupplied(TownID town_id, CargoID cargo_id);
-
- /**
- * Get the percentage of transported production of the given cargo at a town.
- * @param town_id The index of the town.
- * @param cargo_id The index of the cargo.
- * @pre IsValidTown(town_id).
- * @pre AICargo::IsValidCargo(cargo_id).
- * @return The percentage of given cargo transported from this town last month.
- */
- static int32 GetLastMonthTransportedPercentage(TownID town_id, CargoID cargo_id);
-
- /**
- * Get the total amount of cargo effects received by a town last month.
- * @param town_id The index of the town.
- * @param towneffect_id The index of the cargo.
- * @pre IsValidTown(town_id).
- * @pre AICargo::IsValidTownEffect(cargo_id).
- * @return The amount of cargo received by this town last month for this cargo effect.
- */
- static int32 GetLastMonthReceived(TownID town_id, AICargo::TownEffect towneffect_id);
-
- /**
- * Get the amount of cargo that needs to be delivered (per TownEffect) for a
- * town to grow. All goals need to be reached before a town will grow.
- * @param town_id The index of the town.
- * @param towneffect_id The index of the towneffect.
- * @pre IsValidTown(town_id).
- * @pre AICargo::IsValidTownEffect(cargo_id).
- * @return The goal of the cargo.
- * @note Goals can change over time. For example with a changing snowline, or
- * with a growing town.
- */
- static uint32 GetCargoGoal(TownID town_id, AICargo::TownEffect towneffect_id);
-
- /**
- * Get the amount of days between town growth.
- * @param town_id The index of the town.
- * @pre IsValidTown(town_id).
- * @return True if the action succeeded.
- * @note This function does not indicate when it will grow next. It only tells you the time between growths.
- */
- static int32 GetGrowthRate(TownID town_id);
-
- /**
- * Get the manhattan distance from the tile to the AITown::GetLocation()
- * of the town.
- * @param town_id The town to get the distance to.
- * @param tile The tile to get the distance to.
- * @pre IsValidTown(town_id).
- * @return The distance between town and tile.
- */
- static int32 GetDistanceManhattanToTile(TownID town_id, TileIndex tile);
-
- /**
- * Get the square distance from the tile to the AITown::GetLocation()
- * of the town.
- * @param town_id The town to get the distance to.
- * @param tile The tile to get the distance to.
- * @pre IsValidTown(town_id).
- * @return The distance between town and tile.
- */
- static int32 GetDistanceSquareToTile(TownID town_id, TileIndex tile);
-
- /**
- * Find out if this tile is within the rating influence of a town.
- * If a station sign would be on this tile, the servicing quality of the station would
- * influence the rating of the town.
- * @param town_id The town to check.
- * @param tile The tile to check.
- * @pre IsValidTown(town_id).
- * @return True if the tile is within the rating influence of the town.
- */
- static bool IsWithinTownInfluence(TownID town_id, TileIndex tile);
-
- /**
- * Find out if this town has a statue for the current company.
- * @param town_id The town to check.
- * @pre IsValidTown(town_id).
- * @return True if the town has a statue.
- */
- static bool HasStatue(TownID town_id);
-
- /**
- * Find out if the town is a city.
- * @param town_id The town to check.
- * @pre IsValidTown(town_id).
- * @return True if the town is a city.
- */
- static bool IsCity(TownID town_id);
-
- /**
- * Find out how long the town is undergoing road reconstructions.
- * @param town_id The town to check.
- * @pre IsValidTown(town_id).
- * @return The number of months the road reworks are still going to take.
- * The value 0 means that there are currently no road reworks.
- */
- static int GetRoadReworkDuration(TownID town_id);
-
- /**
- * Find out which company currently has the exclusive rights of this town.
- * @param town_id The town to check.
- * @pre IsValidTown(town_id).
- * @return The company that has the exclusive rights. The value
- * AICompany::COMPANY_INVALID means that there are currently no
- * exclusive rights given out to anyone.
- */
- static AICompany::CompanyID GetExclusiveRightsCompany(TownID town_id);
-
- /**
- * Find out how long the town is under influence of the exclusive rights.
- * @param town_id The town to check.
- * @pre IsValidTown(town_id).
- * @return The number of months the exclusive rights hold.
- * The value 0 means that there are currently no exclusive rights
- * given out to anyone.
- */
- static int32 GetExclusiveRightsDuration(TownID town_id);
-
- /**
- * Find out if an action can currently be performed on the town.
- * @param town_id The town to perform the action on.
- * @param town_action The action to perform on the town.
- * @pre IsValidTown(town_id).
- * @return True if and only if the action can performed.
- */
- static bool IsActionAvailable(TownID town_id, TownAction town_action);
-
- /**
- * Perform a town action on this town.
- * @param town_id The town to perform the action on.
- * @param town_action The action to perform on the town.
- * @pre IsValidTown(town_id).
- * @pre IsActionAvailable(town_id, town_action).
- * @return True if the action succeeded.
- */
- static bool PerformTownAction(TownID town_id, TownAction town_action);
-
- /**
- * Get the rating of a company within a town.
- * @param town_id The town to get the rating for.
- * @param company_id The company to get the rating for.
- * @pre IsValidTown(town_id).
- * @pre AICompany.ResolveCompanyID(company) != AICompany::COMPANY_INVALID.
- * @return The rating as shown to humans.
- */
- static TownRating GetRating(TownID town_id, AICompany::CompanyID company_id);
-
- /**
- * Get the maximum level of noise that still can be added by airports
- * before the town start to refuse building a new airport.
- * @param town_id The town to get the allowed noise from.
- * @return The noise that still can be added.
- */
- static int GetAllowedNoise(TownID town_id);
-
- /**
- * Get the road layout for a town.
- * @param town_id The town to get the road layout from.
- * @return The RoadLayout for the town.
- */
- static RoadLayout GetRoadLayout(TownID town_id);
-};
-
-#endif /* AI_TOWN_HPP */