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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"
#include "cargo_type.h"
typedef OverflowSafeInt64 Money;
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
};
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);
struct ScoreInfo {
byte id; ///< Unique ID of the score
int needed; ///< How much you need to get the perfect score
int score; ///< How much score it will give
};
struct Prices {
Money station_value;
Money build_rail;
Money build_road;
Money build_signals;
Money build_bridge;
Money build_train_depot;
Money build_road_depot;
Money build_ship_depot;
Money build_tunnel;
Money train_station_track;
Money train_station_length;
Money build_airport;
Money build_bus_station;
Money build_truck_station;
Money build_dock;
Money build_railvehicle;
Money build_railwagon;
Money aircraft_base;
Money roadveh_base;
Money ship_base;
Money build_trees;
Money terraform;
Money clear_grass;
Money clear_roughland;
Money clear_rocks;
Money clear_fields;
Money remove_trees;
Money remove_rail;
Money remove_signals;
Money clear_bridge;
Money remove_train_depot;
Money remove_road_depot;
Money remove_ship_depot;
Money clear_tunnel;
Money clear_water;
Money remove_rail_station;
Money remove_airport;
Money remove_bus_station;
Money remove_truck_station;
Money remove_dock;
Money remove_house;
Money remove_road;
Money running_rail[3];
Money aircraft_running;
Money roadveh_running;
Money ship_running;
Money build_industry;
};
enum {
NUM_PRICES = 49,
};
assert_compile(NUM_PRICES * sizeof(Money) == sizeof(Prices));
enum ExpensesType {
EXPENSES_CONSTRUCTION = 0,
EXPENSES_NEW_VEHICLES,
EXPENSES_TRAIN_RUN,
EXPENSES_ROADVEH_RUN,
EXPENSES_AIRCRAFT_RUN,
EXPENSES_SHIP_RUN,
EXPENSES_PROPERTY,
EXPENSES_TRAIN_INC,
EXPENSES_ROADVEH_INC,
EXPENSES_AIRCRAFT_INC,
EXPENSES_SHIP_INC,
EXPENSES_LOAN_INT,
EXPENSES_OTHER,
EXPENSES_END,
INVALID_EXPENSES = 0xFF,
};
/**
* 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.
};
/** 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 modifier including the shift offset of 8 bits.
* Increasing base prices by factor 65536 should be enough.
* @see MAX_INFLATION
*/
static const int MAX_PRICE_MODIFIER = 16 + 8;
struct CargoPayment;
typedef uint32 CargoPaymentID;
#endif /* ECONOMY_TYPE_H */
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