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/* $Id$ */

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/** @file economy_type.h Types related to the economy. */

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#ifndef ECONOMY_TYPE_H

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#define ECONOMY_TYPE_H

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#include "core/overflowsafe_type.hpp"

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#include "core/enum_type.hpp"

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#include "cargo_type.h"

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typedef OverflowSafeInt64 Money;

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struct Economy {

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	Money max_loan;         ///< Maximum possible loan

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	Money max_loan_unround; ///< Economy fluctuation status

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	uint16 max_loan_unround_fract; ///< Fraction of the unrounded max loan

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	int fluct;

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	byte interest_rate;     ///< Interest

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	byte infl_amount;       ///< inflation amount

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	byte infl_amount_pr;    ///< "floating" portion of inflation

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};

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struct Subsidy {

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	CargoID cargo_type;

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	byte age;

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	/* from and to can either be TownID, StationID or IndustryID */

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	uint16 from;

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	uint16 to;

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};

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enum ScoreID {

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	SCORE_BEGIN      = 0,

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	SCORE_VEHICLES   = 0,

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	SCORE_STATIONS   = 1,

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	SCORE_MIN_PROFIT = 2,

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	SCORE_MIN_INCOME = 3,

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	SCORE_MAX_INCOME = 4,

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	SCORE_DELIVERED  = 5,

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	SCORE_CARGO      = 6,

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	SCORE_MONEY      = 7,

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	SCORE_LOAN       = 8,

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	SCORE_TOTAL      = 9,  ///< This must always be the last entry

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	SCORE_END        = 10, ///< How many scores are there..

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	SCORE_MAX = 1000       ///< The max score that can be in the performance history

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	/* the scores together of score_info is allowed to be more! */

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};

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DECLARE_POSTFIX_INCREMENT(ScoreID);

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struct ScoreInfo {

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	byte id;    ///< Unique ID of the score

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	int needed; ///< How much you need to get the perfect score

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	int score;  ///< How much score it will give

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};

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struct Prices {

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	Money station_value;

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	Money build_rail;

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	Money build_road;

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	Money build_signals;

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	Money build_bridge;

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	Money build_train_depot;

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	Money build_road_depot;

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	Money build_ship_depot;

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	Money build_tunnel;

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	Money train_station_track;

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	Money train_station_length;

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	Money build_airport;

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	Money build_bus_station;

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	Money build_truck_station;

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	Money build_dock;

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	Money build_railvehicle;

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	Money build_railwagon;

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	Money aircraft_base;

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	Money roadveh_base;

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	Money ship_base;

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	Money build_trees;

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	Money terraform;

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	Money clear_grass;

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	Money clear_roughland;

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	Money clear_rocks;

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	Money clear_fields;

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	Money remove_trees;

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	Money remove_rail;

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	Money remove_signals;

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	Money clear_bridge;

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	Money remove_train_depot;

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	Money remove_road_depot;

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	Money remove_ship_depot;

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	Money clear_tunnel;

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	Money clear_water;

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	Money remove_rail_station;

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	Money remove_airport;

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	Money remove_bus_station;

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	Money remove_truck_station;

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	Money remove_dock;

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	Money remove_house;

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	Money remove_road;

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	Money running_rail[3];

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	Money aircraft_running;

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	Money roadveh_running;

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	Money ship_running;

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	Money build_industry;

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};

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enum {

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	NUM_PRICES = 49,

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};

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assert_compile(NUM_PRICES * sizeof(Money) == sizeof(Prices));

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enum ExpensesType {

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	EXPENSES_CONSTRUCTION =  0,

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	EXPENSES_NEW_VEHICLES,

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	EXPENSES_TRAIN_RUN,

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	EXPENSES_ROADVEH_RUN,

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	EXPENSES_AIRCRAFT_RUN,

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	EXPENSES_SHIP_RUN,

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	EXPENSES_PROPERTY,

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	EXPENSES_TRAIN_INC,

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	EXPENSES_ROADVEH_INC,

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	EXPENSES_AIRCRAFT_INC,

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	EXPENSES_SHIP_INC,

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	EXPENSES_LOAN_INT,

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	EXPENSES_OTHER,

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	EXPENSES_END,

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	INVALID_EXPENSES      = 0xFF,

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};

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/* The "steps" in loan size, in British Pounds! */

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enum {

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	LOAN_INTERVAL        = 10000,

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	LOAN_INTERVAL_OLD_AI = 50000,

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};

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#endif /* ECONOMY_TYPE_H */