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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 economy_type.h Types related to the economy. */
#ifndef ECONOMY_TYPE_H
#define ECONOMY_TYPE_H
#include "core/overflowsafe_type.hpp"
#include "core/enum_type.hpp"
typedef OverflowSafeInt64 Money;
/** Data of the economy. */
struct Economy {
Money max_loan; ///< NOSAVE: Maximum possible loan
int16 fluct; ///< Economy fluctuation status
byte interest_rate; ///< Interest
byte infl_amount; ///< inflation amount
byte infl_amount_pr; ///< inflation rate for payment rates
uint32 industry_daily_change_counter; ///< Bits 31-16 are number of industry to be performed, 15-0 are fractional collected daily
uint32 industry_daily_increment; ///< The value which will increment industry_daily_change_counter. Computed value. NOSAVE
uint64 inflation_prices; ///< Cumulated inflation of prices since game start; 16 bit fractional part
uint64 inflation_payment; ///< Cumulated inflation of cargo paypent since game start; 16 bit fractional part
/* Old stuff for savegame conversion only */
Money old_max_loan_unround; ///< Old: Unrounded max loan
uint16 old_max_loan_unround_fract; ///< Old: Fraction of the unrounded max loan
};
/** Score categories in the detailed performance rating. */
enum ScoreID {
SCORE_BEGIN = 0,
SCORE_VEHICLES = 0,
SCORE_STATIONS = 1,
SCORE_MIN_PROFIT = 2,
SCORE_MIN_INCOME = 3,
SCORE_MAX_INCOME = 4,
SCORE_DELIVERED = 5,
SCORE_CARGO = 6,
SCORE_MONEY = 7,
SCORE_LOAN = 8,
SCORE_TOTAL = 9, ///< This must always be the last entry
SCORE_END = 10, ///< How many scores are there..
SCORE_MAX = 1000 ///< The max score that can be in the performance history
/* the scores together of score_info is allowed to be more! */
};
DECLARE_POSTFIX_INCREMENT(ScoreID)
/** Data structure for storing how the score is computed for a single score id. */
struct ScoreInfo {
int needed; ///< How much you need to get the perfect score
int score; ///< How much score it will give
};
/**
* Enumeration of all base prices for use with #Prices.
* The prices are ordered as they are expected by NewGRF cost multipliers, so don't shuffle them.
*/
enum Price {
PR_BEGIN = 0,
PR_STATION_VALUE = 0,
PR_BUILD_RAIL,
PR_BUILD_ROAD,
PR_BUILD_SIGNALS,
PR_BUILD_BRIDGE,
PR_BUILD_DEPOT_TRAIN,
PR_BUILD_DEPOT_ROAD,
PR_BUILD_DEPOT_SHIP,
PR_BUILD_TUNNEL,
PR_BUILD_STATION_RAIL,
PR_BUILD_STATION_RAIL_LENGTH,
PR_BUILD_STATION_AIRPORT,
PR_BUILD_STATION_BUS,
PR_BUILD_STATION_TRUCK,
PR_BUILD_STATION_DOCK,
PR_BUILD_VEHICLE_TRAIN,
PR_BUILD_VEHICLE_WAGON,
PR_BUILD_VEHICLE_AIRCRAFT,
PR_BUILD_VEHICLE_ROAD,
PR_BUILD_VEHICLE_SHIP,
PR_BUILD_TREES,
PR_TERRAFORM,
PR_CLEAR_GRASS,
PR_CLEAR_ROUGH,
PR_CLEAR_ROCKS,
PR_CLEAR_FIELDS,
PR_CLEAR_TREES,
PR_CLEAR_RAIL,
PR_CLEAR_SIGNALS,
PR_CLEAR_BRIDGE,
PR_CLEAR_DEPOT_TRAIN,
PR_CLEAR_DEPOT_ROAD,
PR_CLEAR_DEPOT_SHIP,
PR_CLEAR_TUNNEL,
PR_CLEAR_WATER,
PR_CLEAR_STATION_RAIL,
PR_CLEAR_STATION_AIRPORT,
PR_CLEAR_STATION_BUS,
PR_CLEAR_STATION_TRUCK,
PR_CLEAR_STATION_DOCK,
PR_CLEAR_HOUSE,
PR_CLEAR_ROAD,
PR_RUNNING_TRAIN_STEAM,
PR_RUNNING_TRAIN_DIESEL,
PR_RUNNING_TRAIN_ELECTRIC,
PR_RUNNING_AIRCRAFT,
PR_RUNNING_ROADVEH,
PR_RUNNING_SHIP,
PR_BUILD_INDUSTRY,
PR_CLEAR_INDUSTRY,
PR_BUILD_OBJECT,
PR_CLEAR_OBJECT,
PR_BUILD_WAYPOINT_RAIL,
PR_CLEAR_WAYPOINT_RAIL,
PR_BUILD_WAYPOINT_BUOY,
PR_CLEAR_WAYPOINT_BUOY,
PR_TOWN_ACTION,
PR_BUILD_FOUNDATION,
PR_BUILD_INDUSTRY_RAW,
PR_BUILD_TOWN,
PR_BUILD_CANAL,
PR_CLEAR_CANAL,
PR_BUILD_AQUEDUCT,
PR_CLEAR_AQUEDUCT,
PR_BUILD_LOCK,
PR_CLEAR_LOCK,
PR_END,
INVALID_PRICE = 0xFF
};
DECLARE_POSTFIX_INCREMENT(Price)
typedef Money Prices[PR_END]; ///< Prices of everything. @see Price
typedef int8 PriceMultipliers[PR_END];
/** Types of expenses. */
enum ExpensesType {
EXPENSES_CONSTRUCTION = 0, ///< Construction costs.
EXPENSES_NEW_VEHICLES, ///< New vehicles.
EXPENSES_TRAIN_RUN, ///< Running costs trains.
EXPENSES_ROADVEH_RUN, ///< Running costs road vehicles.
EXPENSES_AIRCRAFT_RUN, ///< Running costs aircrafts.
EXPENSES_SHIP_RUN, ///< Running costs ships.
EXPENSES_PROPERTY, ///< Property costs.
EXPENSES_TRAIN_INC, ///< Income from trains.
EXPENSES_ROADVEH_INC, ///< Income from road vehicles.
EXPENSES_AIRCRAFT_INC, ///< Income from aircrafts.
EXPENSES_SHIP_INC, ///< Income from ships.
EXPENSES_LOAN_INT, ///< Interest payments over the loan.
EXPENSES_OTHER, ///< Other expenses.
EXPENSES_END, ///< Number of expense types.
INVALID_EXPENSES = 0xFF, ///< Invalid expense type.
};
/**
* Categories of a price bases.
*/
enum PriceCategory {
PCAT_NONE, ///< Not affected by difficulty settings
PCAT_RUNNING, ///< Price is affected by "vehicle running cost" difficulty setting
PCAT_CONSTRUCTION, ///< Price is affected by "construction cost" difficulty setting
};
/**
* Describes properties of price bases.
*/
struct PriceBaseSpec {
Money start_price; ///< Default value at game start, before adding multipliers.
PriceCategory category; ///< Price is affected by certain difficulty settings.
uint grf_feature; ///< GRF Feature, that decides whether price multipliers apply locally or globally. GSF_END if none.
Price fallback_price; ///< Fallback price multiplier for new prices but old grfs.
};
/** The "steps" in loan size, in British Pounds! */
static const int LOAN_INTERVAL = 10000;
/**
* Maximum inflation (including fractional part) without causing overflows in int64 price computations.
* This allows for 32 bit base prices (21 are currently needed).
* Considering the sign bit and 16 fractional bits, there are 15 bits left.
* 170 years of 4% inflation result in a inflation of about 822, so 10 bits are actually enough.
* Note, that NewGRF multipliers share the 16 fractional bits.
* @see MAX_PRICE_MODIFIER
*/
static const uint64 MAX_INFLATION = (1ull << (63 - 32)) - 1;
/**
* Maximum NewGRF price modifiers.
* Increasing base prices by factor 65536 should be enough.
* @see MAX_INFLATION
*/
static const int MIN_PRICE_MODIFIER = -8;
static const int MAX_PRICE_MODIFIER = 16;
static const int INVALID_PRICE_MODIFIER = MIN_PRICE_MODIFIER - 1;
struct CargoPayment;
typedef uint32 CargoPaymentID;
#endif /* ECONOMY_TYPE_H */
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