1

/* $Id$ */

     2

     3

#include "stdafx.h"

     4

#include "openttd.h"

     5

#include "currency.h"

     6

#include "news.h"

     7

#include "variables.h"

     8

#include "table/strings.h"

     9

#include "date.h"

    10

    11

	//   exchange rate    prefix             symbol_pos

    12

	//   |  separator        |     postfix   |

    13

	//   |   |    Euro year  |       |       |    name

    14

	//   |   |    |          |       |       |    |

    15

const CurrencySpec origin_currency_specs[NUM_CURRENCY] = {

    16

	{    1, ',', CF_NOEURO, "\xA3", "",      0,  STR_CURR_GBP    }, // british pounds

    17

	{    2, ',', CF_NOEURO, "$",    "",      0,  STR_CURR_USD    }, // us dollars

    18

	{    2, ',', CF_ISEURO, "¤",    "",      0,  STR_CURR_EUR    }, // Euro

    19

	{  200, ',', CF_NOEURO, "\xA5", "",      0,  STR_CURR_YEN    }, // yen

    20

	{   19, ',', 2002,      "",     " S.",   1,  STR_CURR_ATS    }, // austrian schilling

    21

	{   57, ',', 2002,      "BEF ", "",      0,  STR_CURR_BEF    }, // belgian franc

    22

	{    2, ',', CF_NOEURO, "CHF ", "",      0,  STR_CURR_CHF    }, // swiss franc

    23

	{   50, ',', CF_NOEURO, "",     " Kc",   1,  STR_CURR_CZK    }, // czech koruna // TODO: Should use the "c" with an upside down "^"

    24

	{    4, '.', 2002,      "DM ",  "",      0,  STR_CURR_DEM    }, // deutsche mark

    25

	{   10, '.', CF_NOEURO, "",     " kr",   1,  STR_CURR_DKK    }, // danish krone

    26

	{  200, '.', 2002,      "Pts ", "",      0,  STR_CURR_ESP    }, // spanish pesetas

    27

	{    8, ',', 2002,      "",     " mk",   1,  STR_CURR_FIM    }, // finnish markka

    28

	{   10, '.', 2002,      "FF ",  "",      0,  STR_CURR_FRF    }, // french francs

    29

	{  480, ',', 2002,      "",     "Dr.",   1,  STR_CURR_GRD    }, // greek drachma

    30

	{  376, ',', 2002,      "",     " Ft",   1,  STR_CURR_HUF    }, // hungarian forint

    31

	{  130, '.', CF_NOEURO, "",     " Kr",   1,  STR_CURR_ISK    }, // icelandic krona

    32

	{ 2730, ',', 2002,      "",     " L.",   1,  STR_CURR_ITL    }, // italian lira

    33

	{    3, ',', 2002,      "NLG ", "",      0,  STR_CURR_NLG    }, // dutch gulden

    34

	{   11, '.', CF_NOEURO, "",     " Kr",   1,  STR_CURR_NOK    }, // norwegian krone

    35

	{    6, ' ', CF_NOEURO, "",     " zl",   1,  STR_CURR_PLN    }, // polish zloty

    36

	{    6, '.', CF_NOEURO, "",     " Lei",  1,  STR_CURR_ROL    }, // romanian Lei

    37

	{    5, ' ', CF_NOEURO, "",     " p",    1,  STR_CURR_RUR    }, // russian rouble

    38

	{  350, '.', CF_NOEURO, "",     " SIT",  1,  STR_CURR_SIT    }, // slovenian tolar

    39

	{   13, '.', CF_NOEURO, "",     " Kr",   1,  STR_CURR_SEK    }, // swedish krona

    40

	{    2, '.', CF_NOEURO, "",     " YTL",  1,  STR_CURR_YTL    }, // turkish lira

    41

	{    1, ' ', CF_NOEURO, "",     "",      2,  STR_CURR_CUSTOM }, // custom currency

    42

};

    43

    44

/* Array of currencies used by the system */

    45

CurrencySpec _currency_specs[NUM_CURRENCY];

    46

    47

/* get a mask of the allowed currencies depending on the year */

    48

uint GetMaskOfAllowedCurrencies(void)

    49

{

    50

	uint mask = 0;

    51

	uint i;

    52

    53

	for (i = 0; i < NUM_CURRENCY; i++) {

    54

		Year to_euro = _currency_specs[i].to_euro;

    55

    56

		if (to_euro != CF_NOEURO && to_euro != CF_ISEURO && _cur_year >= to_euro) continue;

    57

		if (to_euro == CF_ISEURO && _cur_year < 2000) continue;

    58

		mask |= (1 << i);

    59

	}

    60

	mask |= (1 << CUSTOM_CURRENCY_ID); // always allow custom currency

    61

	return mask;

    62

}

    63

    64

/**

    65

 * Verify if the currency chosen by the user is about to be converted to Euro

    66

 **/

    67

void CheckSwitchToEuro(void)

    68

{

    69

	if (_currency_specs[_opt.currency].to_euro != CF_NOEURO &&

    70

			_currency_specs[_opt.currency].to_euro != CF_ISEURO &&

    71

			_cur_year >= _currency_specs[_opt.currency].to_euro) {

    72

		_opt.currency = 2; // this is the index of euro above.

    73

		AddNewsItem(STR_EURO_INTRODUCE, NEWS_FLAGS(NM_NORMAL, 0, NT_ECONOMY, 0), 0, 0);

    74

	}

    75

}

    76

    77

/**

    78

 * Called only from newgrf.c.  Will fill _currency_specs array with

    79

 * default values from origin_currency_specs

    80

 **/

    81

void ResetCurrencies(void)

    82

{

    83

	memcpy(&_currency_specs, &origin_currency_specs, sizeof(origin_currency_specs));

    84

}

    85

    86

/**

    87

 * Build a list of currency names StringIDs to use in a dropdown list

    88

 * @return Pointer to a (static) array of StringIDs

    89

 */

    90

StringID* BuildCurrencyDropdown(void)

    91

{

    92

	/* Allow room for all currencies, plus a terminator entry */

    93

	static StringID names[CUSTOM_CURRENCY_ID];

    94

	uint i;

    95

    96

	/* Add each name */

    97

	for (i = 0; i < NUM_CURRENCY; i++) {

    98

		names[i] = _currency_specs[i].name;

    99

	}

   100

	/* Terminate the list */

   101

	names[i] = INVALID_STRING_ID;

   102

   103

	return names;

   104

}