Support for different currencies. More...

#include "stdafx.h"
#include "core/bitmath_func.hpp"
#include "currency.h"
#include "news_func.h"
#include "settings_type.h"
#include "string_type.h"
#include "timer/timer.h"
#include "timer/timer_game_calendar.h"
#include "table/strings.h"
#include "safeguards.h"

Functions
uint8_t	GetNewgrfCurrencyIdConverted (uint8_t grfcurr_id)
	Will return the ottd's index correspondence to the ttdpatch's id.

uint64_t	GetMaskOfAllowedCurrencies ()
	get a mask of the allowed currencies depending on the year

void	ResetCurrencies (bool preserve_custom)
	Will fill _currency_specs array with default values from origin_currency_specs Called only from newgrf.cpp and settings.cpp.

Variables
static const std::array< CurrencySpec, CURRENCY_END >	origin_currency_specs
	The original currency specifications.

std::array< CurrencySpec, CURRENCY_END >	_currency_specs
	Array of currencies used by the system.

const uint8_t	TTDPatch_To_OTTDIndex []
	This array represent the position of OpenTTD's currencies, compared to TTDPatch's ones.

static IntervalTimer< TimerGameCalendar >	_check_switch_to_euro ({TimerGameCalendar::YEAR, TimerGameCalendar::Priority::NONE}, [](auto) { if(_currency_specs[_settings_game.locale.currency].to_euro !=CF_NOEURO &&_currency_specs[_settings_game.locale.currency].to_euro !=CF_ISEURO &&TimerGameCalendar::year >=_currency_specs[_settings_game.locale.currency].to_euro) { _settings_game.locale.currency=2;AddNewsItem(STR_NEWS_EURO_INTRODUCTION, NT_ECONOMY, NF_NORMAL);} })
	Verify if the currency chosen by the user is about to be converted to Euro.

Detailed Description

Support for different currencies.

Definition in file currency.cpp.

Function Documentation

◆ GetMaskOfAllowedCurrencies()

uint64_t GetMaskOfAllowedCurrencies ( )

get a mask of the allowed currencies depending on the year

Returns: mask of currencies

Definition at line 125 of file currency.cpp.

References _currency_specs, CF_ISEURO, CF_NOEURO, CURRENCY_CUSTOM, CURRENCY_END, SetBit(), and TimerGameCalendar::year.

◆ GetNewgrfCurrencyIdConverted()

uint8_t GetNewgrfCurrencyIdConverted ( uint8_t grfcurr_id )

Will return the ottd's index correspondence to the ttdpatch's id.

If the id is bigger than the array, it is a grf written for ottd, thus returning the same id. Only called from newgrf.cpp

Parameters

grfcurr_id currency id coming from newgrf

Returns: the corrected index

Definition at line 116 of file currency.cpp.

References lengthof, and TTDPatch_To_OTTDIndex.

Referenced by GlobalVarChangeInfo().

◆ ResetCurrencies()

void ResetCurrencies ( bool preserve_custom )

Will fill _currency_specs array with default values from origin_currency_specs Called only from newgrf.cpp and settings.cpp.

Parameters

preserve_custom will not reset custom currency

Definition at line 160 of file currency.cpp.

References _currency_specs, CURRENCY_CUSTOM, CURRENCY_END, and origin_currency_specs.

Referenced by LoadFromConfig(), and ResetNewGRFData().

Variable Documentation

◆ _currency_specs

std::array<CurrencySpec, CURRENCY_END> _currency_specs

Array of currencies used by the system.

Definition at line 77 of file currency.cpp.

Referenced by GameOptionsWindow::BuildDropDownList(), GetCurrency(), GetCustomCurrency(), GetMaskOfAllowedCurrencies(), GlobalVarChangeInfo(), ResetCurrencies(), and GameOptionsWindow::SetStringParameters().

◆ origin_currency_specs

const std::array<CurrencySpec, CURRENCY_END> origin_currency_specs

static

The original currency specifications.

Definition at line 29 of file currency.cpp.

Referenced by ResetCurrencies().

◆ TTDPatch_To_OTTDIndex

const uint8_t TTDPatch_To_OTTDIndex[]

Initial value:

=
{
  CURRENCY_GBP,
  CURRENCY_USD,
  CURRENCY_FRF,
  CURRENCY_DEM,
  CURRENCY_JPY,
  CURRENCY_ESP,
  CURRENCY_HUF,
  CURRENCY_PLN,
  CURRENCY_ATS,
  CURRENCY_BEF,
  CURRENCY_DKK,
  CURRENCY_FIM,
  CURRENCY_GRD,
  CURRENCY_CHF,
  CURRENCY_NLG,
  CURRENCY_ITL,
  CURRENCY_SEK,
  CURRENCY_RUR,
  CURRENCY_EUR,
}

This array represent the position of OpenTTD's currencies, compared to TTDPatch's ones.

When a grf sends currencies, they are based on the order defined by TTDPatch. So, we must reindex them to our own order.

Definition at line 85 of file currency.cpp.

Referenced by GetNewgrfCurrencyIdConverted().

Functions

Variables