author | glx |
Sun, 28 Oct 2007 16:00:51 +0000 | |
changeset 7803 | 55307751965b |
parent 7454 | e55eea8c05c7 |
child 8024 | 5feb155012fe |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file date.cpp */ |
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#include "stdafx.h" |
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#include "openttd.h" |
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#include "date.h" |
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#include "variables.h" |
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#include "macros.h" |
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#include "vehicle.h" |
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#include "network/network.h" |
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#include "network/network_data.h" |
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#include "network/network_server.h" |
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#include "functions.h" |
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#include "currency.h" |
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#ifdef DEBUG_DUMP_COMMANDS |
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#include "saveload.h" |
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#endif |
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Year _cur_year; |
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Month _cur_month; |
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Date _date; |
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DateFract _date_fract; |
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void SetDate(Date date) |
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{ |
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YearMonthDay ymd; |
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_date = date; |
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ConvertDateToYMD(date, &ymd); |
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_cur_year = ymd.year; |
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_cur_month = ymd.month; |
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#ifdef ENABLE_NETWORK |
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_network_last_advertise_frame = 0; |
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_network_need_advertise = true; |
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#endif /* ENABLE_NETWORK */ |
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} |
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#define M(a, b) ((a << 5) | b) |
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static const uint16 _month_date_from_year_day[] = { |
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M( 0, 1), M( 0, 2), M( 0, 3), M( 0, 4), M( 0, 5), M( 0, 6), M( 0, 7), M( 0, 8), M( 0, 9), M( 0, 10), M( 0, 11), M( 0, 12), M( 0, 13), M( 0, 14), M( 0, 15), M( 0, 16), M( 0, 17), M( 0, 18), M( 0, 19), M( 0, 20), M( 0, 21), M( 0, 22), M( 0, 23), M( 0, 24), M( 0, 25), M( 0, 26), M( 0, 27), M( 0, 28), M( 0, 29), M( 0, 30), M( 0, 31), |
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M( 1, 1), M( 1, 2), M( 1, 3), M( 1, 4), M( 1, 5), M( 1, 6), M( 1, 7), M( 1, 8), M( 1, 9), M( 1, 10), M( 1, 11), M( 1, 12), M( 1, 13), M( 1, 14), M( 1, 15), M( 1, 16), M( 1, 17), M( 1, 18), M( 1, 19), M( 1, 20), M( 1, 21), M( 1, 22), M( 1, 23), M( 1, 24), M( 1, 25), M( 1, 26), M( 1, 27), M( 1, 28), M( 1, 29), |
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M( 2, 1), M( 2, 2), M( 2, 3), M( 2, 4), M( 2, 5), M( 2, 6), M( 2, 7), M( 2, 8), M( 2, 9), M( 2, 10), M( 2, 11), M( 2, 12), M( 2, 13), M( 2, 14), M( 2, 15), M( 2, 16), M( 2, 17), M( 2, 18), M( 2, 19), M( 2, 20), M( 2, 21), M( 2, 22), M( 2, 23), M( 2, 24), M( 2, 25), M( 2, 26), M( 2, 27), M( 2, 28), M( 2, 29), M( 2, 30), M( 2, 31), |
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M( 3, 1), M( 3, 2), M( 3, 3), M( 3, 4), M( 3, 5), M( 3, 6), M( 3, 7), M( 3, 8), M( 3, 9), M( 3, 10), M( 3, 11), M( 3, 12), M( 3, 13), M( 3, 14), M( 3, 15), M( 3, 16), M( 3, 17), M( 3, 18), M( 3, 19), M( 3, 20), M( 3, 21), M( 3, 22), M( 3, 23), M( 3, 24), M( 3, 25), M( 3, 26), M( 3, 27), M( 3, 28), M( 3, 29), M( 3, 30), |
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M( 4, 1), M( 4, 2), M( 4, 3), M( 4, 4), M( 4, 5), M( 4, 6), M( 4, 7), M( 4, 8), M( 4, 9), M( 4, 10), M( 4, 11), M( 4, 12), M( 4, 13), M( 4, 14), M( 4, 15), M( 4, 16), M( 4, 17), M( 4, 18), M( 4, 19), M( 4, 20), M( 4, 21), M( 4, 22), M( 4, 23), M( 4, 24), M( 4, 25), M( 4, 26), M( 4, 27), M( 4, 28), M( 4, 29), M( 4, 30), M( 4, 31), |
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M( 5, 1), M( 5, 2), M( 5, 3), M( 5, 4), M( 5, 5), M( 5, 6), M( 5, 7), M( 5, 8), M( 5, 9), M( 5, 10), M( 5, 11), M( 5, 12), M( 5, 13), M( 5, 14), M( 5, 15), M( 5, 16), M( 5, 17), M( 5, 18), M( 5, 19), M( 5, 20), M( 5, 21), M( 5, 22), M( 5, 23), M( 5, 24), M( 5, 25), M( 5, 26), M( 5, 27), M( 5, 28), M( 5, 29), M( 5, 30), |
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M( 6, 1), M( 6, 2), M( 6, 3), M( 6, 4), M( 6, 5), M( 6, 6), M( 6, 7), M( 6, 8), M( 6, 9), M( 6, 10), M( 6, 11), M( 6, 12), M( 6, 13), M( 6, 14), M( 6, 15), M( 6, 16), M( 6, 17), M( 6, 18), M( 6, 19), M( 6, 20), M( 6, 21), M( 6, 22), M( 6, 23), M( 6, 24), M( 6, 25), M( 6, 26), M( 6, 27), M( 6, 28), M( 6, 29), M( 6, 30), M( 6, 31), |
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M( 7, 1), M( 7, 2), M( 7, 3), M( 7, 4), M( 7, 5), M( 7, 6), M( 7, 7), M( 7, 8), M( 7, 9), M( 7, 10), M( 7, 11), M( 7, 12), M( 7, 13), M( 7, 14), M( 7, 15), M( 7, 16), M( 7, 17), M( 7, 18), M( 7, 19), M( 7, 20), M( 7, 21), M( 7, 22), M( 7, 23), M( 7, 24), M( 7, 25), M( 7, 26), M( 7, 27), M( 7, 28), M( 7, 29), M( 7, 30), M( 7, 31), |
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M( 8, 1), M( 8, 2), M( 8, 3), M( 8, 4), M( 8, 5), M( 8, 6), M( 8, 7), M( 8, 8), M( 8, 9), M( 8, 10), M( 8, 11), M( 8, 12), M( 8, 13), M( 8, 14), M( 8, 15), M( 8, 16), M( 8, 17), M( 8, 18), M( 8, 19), M( 8, 20), M( 8, 21), M( 8, 22), M( 8, 23), M( 8, 24), M( 8, 25), M( 8, 26), M( 8, 27), M( 8, 28), M( 8, 29), M( 8, 30), |
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M( 9, 1), M( 9, 2), M( 9, 3), M( 9, 4), M( 9, 5), M( 9, 6), M( 9, 7), M( 9, 8), M( 9, 9), M( 9, 10), M( 9, 11), M( 9, 12), M( 9, 13), M( 9, 14), M( 9, 15), M( 9, 16), M( 9, 17), M( 9, 18), M( 9, 19), M( 9, 20), M( 9, 21), M( 9, 22), M( 9, 23), M( 9, 24), M( 9, 25), M( 9, 26), M( 9, 27), M( 9, 28), M( 9, 29), M( 9, 30), M( 9, 31), |
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M(10, 1), M(10, 2), M(10, 3), M(10, 4), M(10, 5), M(10, 6), M(10, 7), M(10, 8), M(10, 9), M(10, 10), M(10, 11), M(10, 12), M(10, 13), M(10, 14), M(10, 15), M(10, 16), M(10, 17), M(10, 18), M(10, 19), M(10, 20), M(10, 21), M(10, 22), M(10, 23), M(10, 24), M(10, 25), M(10, 26), M(10, 27), M(10, 28), M(10, 29), M(10, 30), |
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M(11, 1), M(11, 2), M(11, 3), M(11, 4), M(11, 5), M(11, 6), M(11, 7), M(11, 8), M(11, 9), M(11, 10), M(11, 11), M(11, 12), M(11, 13), M(11, 14), M(11, 15), M(11, 16), M(11, 17), M(11, 18), M(11, 19), M(11, 20), M(11, 21), M(11, 22), M(11, 23), M(11, 24), M(11, 25), M(11, 26), M(11, 27), M(11, 28), M(11, 29), M(11, 30), M(11, 31), |
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}; |
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#undef M |
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enum { |
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ACCUM_JAN = 0, |
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ACCUM_FEB = ACCUM_JAN + 31, |
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ACCUM_MAR = ACCUM_FEB + 29, |
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ACCUM_APR = ACCUM_MAR + 31, |
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ACCUM_MAY = ACCUM_APR + 30, |
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ACCUM_JUN = ACCUM_MAY + 31, |
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ACCUM_JUL = ACCUM_JUN + 30, |
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ACCUM_AUG = ACCUM_JUL + 31, |
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ACCUM_SEP = ACCUM_AUG + 31, |
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ACCUM_OCT = ACCUM_SEP + 30, |
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ACCUM_NOV = ACCUM_OCT + 31, |
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ACCUM_DEC = ACCUM_NOV + 30, |
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}; |
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static const uint16 _accum_days_for_month[] = { |
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ACCUM_JAN, ACCUM_FEB, ACCUM_MAR, ACCUM_APR, |
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ACCUM_MAY, ACCUM_JUN, ACCUM_JUL, ACCUM_AUG, |
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ACCUM_SEP, ACCUM_OCT, ACCUM_NOV, ACCUM_DEC, |
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}; |
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static inline bool IsLeapYear(Year yr) |
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{ |
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return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0); |
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81 |
} |
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82 |
|
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83 |
/** |
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84 |
* Converts a Date to a Year, Month & Day. |
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* @param date the date to convert from |
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* @param ymd the year, month and day to write to |
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87 |
*/ |
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void ConvertDateToYMD(Date date, YearMonthDay *ymd) |
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{ |
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/* |
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* Year determination in multiple steps to account for leap |
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* years. First do the large steps, then the smaller ones. |
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*/ |
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94 |
|
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95 |
/* There are 97 leap years in 400 years */ |
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Year yr = 400 * (date / (365 * 400 + 97)); |
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int rem = date % (365 * 400 + 97); |
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98 |
uint16 x; |
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99 |
|
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if (rem >= 365 * 100 + 25) { |
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101 |
/* There are 25 leap years in the first 100 years after |
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* every 400th year, as every 400th year is a leap year */ |
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103 |
yr += 100; |
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rem -= 365 * 100 + 25; |
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105 |
|
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106 |
/* There are 24 leap years in the next couple of 100 years */ |
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107 |
yr += 100 * (rem / (365 * 100 + 24)); |
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rem = (rem % (365 * 100 + 24)); |
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109 |
} |
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110 |
|
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111 |
if (!IsLeapYear(yr) && rem >= 365 * 4) { |
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112 |
/* The first 4 year of the century are not always a leap year */ |
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113 |
yr += 4; |
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rem -= 365 * 4; |
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115 |
} |
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|
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117 |
/* There is 1 leap year every 4 years */ |
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yr += 4 * (rem / (365 * 4 + 1)); |
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rem = rem % (365 * 4 + 1); |
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120 |
|
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121 |
/* The last (max 3) years to account for; the first one |
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* can be, but is not necessarily a leap year */ |
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123 |
while (rem >= (IsLeapYear(yr) ? 366 : 365)) { |
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rem -= IsLeapYear(yr) ? 366 : 365; |
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yr++; |
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126 |
} |
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127 |
|
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128 |
/* Skip the 29th of February in non-leap years */ |
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if (!IsLeapYear(yr) && rem >= ACCUM_MAR - 1) rem++; |
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130 |
|
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ymd->year = yr; |
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132 |
|
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133 |
x = _month_date_from_year_day[rem]; |
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134 |
ymd->month = x >> 5; |
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135 |
ymd->day = x & 0x1F; |
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136 |
} |
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137 |
|
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138 |
/** |
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139 |
* Converts a tupe of Year, Month and Day to a Date. |
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* @param year is a number between 0..MAX_YEAR |
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* @param month is a number between 0..11 |
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142 |
* @param day is a number between 1..31 |
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143 |
*/ |
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144 |
Date ConvertYMDToDate(Year year, Month month, Day day) |
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145 |
{ |
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146 |
/* |
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147 |
* Each passed leap year adds one day to the 'day count'. |
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148 |
* |
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149 |
* A special case for the year 0 as no year has been passed, |
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* but '(year - 1) / 4' does not yield '-1' to counteract the |
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151 |
* '+1' at the end of the formula as divisions round to zero. |
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152 |
*/ |
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int nr_of_leap_years = (year == 0) ? 0 : ((year - 1) / 4 - (year - 1) / 100 + (year - 1) / 400 + 1); |
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154 |
|
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155 |
/* Day-offset in a leap year */ |
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156 |
int days = _accum_days_for_month[month] + day - 1; |
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157 |
|
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158 |
/* Account for the missing of the 29th of February in non-leap years */ |
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159 |
if (!IsLeapYear(year) && days >= ACCUM_MAR) days--; |
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160 |
|
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161 |
return year * 365 + nr_of_leap_years + days; |
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162 |
} |
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163 |
|
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164 |
/** Functions used by the IncreaseDate function */ |
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165 |
|
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166 |
extern void OnNewDay_Train(Vehicle *v); |
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167 |
extern void OnNewDay_RoadVeh(Vehicle *v); |
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168 |
extern void OnNewDay_Aircraft(Vehicle *v); |
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169 |
extern void OnNewDay_Ship(Vehicle *v); |
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170 |
static void OnNewDay_EffectVehicle(Vehicle *v) { /* empty */ } |
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171 |
extern void OnNewDay_DisasterVehicle(Vehicle *v); |
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172 |
|
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173 |
typedef void OnNewVehicleDayProc(Vehicle *v); |
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174 |
|
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175 |
static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = { |
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176 |
OnNewDay_Train, |
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177 |
OnNewDay_RoadVeh, |
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178 |
OnNewDay_Ship, |
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179 |
OnNewDay_Aircraft, |
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180 |
OnNewDay_EffectVehicle, |
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181 |
OnNewDay_DisasterVehicle, |
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182 |
}; |
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183 |
|
6247 | 184 |
extern void WaypointsDailyLoop(); |
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185 |
extern void ChatMessageDailyLoop(); |
6247 | 186 |
extern void EnginesDailyLoop(); |
187 |
extern void DisasterDailyLoop(); |
|
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188 |
|
6247 | 189 |
extern void PlayersMonthlyLoop(); |
190 |
extern void EnginesMonthlyLoop(); |
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extern void TownsMonthlyLoop(); |
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extern void IndustryMonthlyLoop(); |
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extern void StationMonthlyLoop(); |
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extern void PlayersYearlyLoop(); |
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extern void TrainsYearlyLoop(); |
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extern void RoadVehiclesYearlyLoop(); |
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extern void AircraftYearlyLoop(); |
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extern void ShipsYearlyLoop(); |
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extern void ShowEndGameChart(); |
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static const Month _autosave_months[] = { |
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0, ///< never |
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1, ///< every month |
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3, ///< every 3 months |
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6, ///< every 6 months |
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12, ///< every 12 months |
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}; |
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/** |
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* Runs the day_proc for every DAY_TICKS vehicle starting at daytick. |
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*/ |
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static void RunVehicleDayProc(uint daytick) |
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{ |
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uint total = GetMaxVehicleIndex() + 1; |
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uint i; |
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for (i = daytick; i < total; i += DAY_TICKS) { |
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Vehicle *v = GetVehicle(i); |
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if (v->IsValid()) { |
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/* Call the 32-day callback if needed */ |
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CheckVehicle32Day(v); |
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_on_new_vehicle_day_proc[v->type](v); |
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} |
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} |
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} |
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void IncreaseDate() |
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{ |
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YearMonthDay ymd; |
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if (_game_mode == GM_MENU) { |
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_tick_counter++; |
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return; |
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} |
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RunVehicleDayProc(_date_fract); |
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/* increase day, and check if a new day is there? */ |
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_tick_counter++; |
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_date_fract++; |
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if (_date_fract < DAY_TICKS) return; |
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_date_fract = 0; |
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/* yeah, increase day counter and call various daily loops */ |
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_date++; |
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|
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ChatMessageDailyLoop(); |
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DisasterDailyLoop(); |
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WaypointsDailyLoop(); |
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if (_game_mode != GM_MENU) { |
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InvalidateWindowWidget(WC_STATUS_BAR, 0, 0); |
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EnginesDailyLoop(); |
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} |
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|
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/* check if we entered a new month? */ |
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ConvertDateToYMD(_date, &ymd); |
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if (ymd.month == _cur_month) return; |
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_cur_month = ymd.month; |
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|
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/* yes, call various monthly loops */ |
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if (_game_mode != GM_MENU) { |
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#ifdef DEBUG_DUMP_COMMANDS |
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char name[MAX_PATH]; |
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snprintf(name, lengthof(name), "dmp_cmds_%d.sav", _date); |
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SaveOrLoad(name, SL_SAVE, AUTOSAVE_DIR); |
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debug_dump_commands("ddc:save:%s\n", name); |
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#endif /* DUMP_COMMANDS */ |
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if (_opt.autosave != 0 && (_cur_month % _autosave_months[_opt.autosave]) == 0) { |
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_do_autosave = true; |
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RedrawAutosave(); |
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} |
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279 |
|
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InvalidateWindowClasses(WC_CHEATS); |
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PlayersMonthlyLoop(); |
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EnginesMonthlyLoop(); |
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TownsMonthlyLoop(); |
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IndustryMonthlyLoop(); |
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StationMonthlyLoop(); |
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if (_network_server) NetworkServerMonthlyLoop(); |
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} |
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|
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/* check if we entered a new year? */ |
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if (ymd.year == _cur_year) return; |
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_cur_year = ymd.year; |
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|
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/* yes, call various yearly loops */ |
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PlayersYearlyLoop(); |
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TrainsYearlyLoop(); |
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RoadVehiclesYearlyLoop(); |
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AircraftYearlyLoop(); |
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ShipsYearlyLoop(); |
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299 |
if (_network_server) NetworkServerYearlyLoop(); |
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300 |
|
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301 |
/* check if we reached end of the game */ |
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if (_cur_year == _patches.ending_year) { |
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303 |
ShowEndGameChart(); |
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304 |
/* check if we reached the maximum year, decrement dates by a year */ |
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} else if (_cur_year == MAX_YEAR + 1) { |
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306 |
Vehicle *v; |
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uint days_this_year; |
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308 |
|
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309 |
_cur_year--; |
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days_this_year = IsLeapYear(_cur_year) ? 366 : 365; |
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_date -= days_this_year; |
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FOR_ALL_VEHICLES(v) v->date_of_last_service -= days_this_year; |
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|
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/* Because the _date wraps here, and text-messages expire by game-days, we have to clean out |
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* all of them if the date is set back, else those messages will hang for ever */ |
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(svn r10932) -Codechange: replace "text" with "chat" for the chat related function and variables.
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InitChatMessage(); |
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} |
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|
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if (_patches.auto_euro) CheckSwitchToEuro(); |
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} |