author | rubidium |
Thu, 01 Feb 2007 15:49:12 +0000 | |
changeset 5893 | 7e431a4abebb |
parent 5584 | 1111b4d36e35 |
child 5955 | fe61588d5188 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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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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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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} |
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/** |
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* 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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*/ |
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void ConvertDateToYMD(Date date, YearMonthDay *ymd) |
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{ |
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/* |
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86 |
* 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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88 |
*/ |
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89 |
|
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/* 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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uint16 x; |
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94 |
|
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if (rem >= 365 * 100 + 25) { |
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96 |
/* 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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yr += 100; |
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rem -= 365 * 100 + 25; |
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100 |
|
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101 |
/* There are 24 leap years in the next couple of 100 years */ |
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yr += 100 * (rem / (365 * 100 + 24)); |
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rem = (rem % (365 * 100 + 24)); |
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104 |
} |
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105 |
|
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if (!IsLeapYear(yr) && rem >= 365 * 4) { |
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107 |
/* The first 4 year of the century are not always a leap year */ |
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108 |
yr += 4; |
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rem -= 365 * 4; |
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110 |
} |
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111 |
|
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112 |
/* 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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115 |
|
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/* 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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while (rem >= (IsLeapYear(yr) ? 366 : 365)) { |
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rem -= IsLeapYear(yr) ? 366 : 365; |
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yr++; |
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} |
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122 |
|
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/* 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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125 |
|
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ymd->year = yr; |
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127 |
|
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x = _month_date_from_year_day[rem]; |
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ymd->month = x >> 5; |
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ymd->day = x & 0x1F; |
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131 |
} |
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132 |
|
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133 |
/** |
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* 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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* @param day is a number between 1..31 |
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*/ |
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Date ConvertYMDToDate(Year year, Month month, Day day) |
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140 |
{ |
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141 |
/* |
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142 |
* Each passed leap year adds one day to the 'day count'. |
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143 |
* |
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* 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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* '+1' at the end of the formula as divisions round to zero. |
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*/ |
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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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149 |
|
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150 |
/* Day-offset in a leap year */ |
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151 |
int days = _accum_days_for_month[month] + day - 1; |
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152 |
|
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/* Account for the missing of the 29th of February in non-leap years */ |
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154 |
if (!IsLeapYear(year) && days >= ACCUM_MAR) days--; |
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|
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return year * 365 + nr_of_leap_years + days; |
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157 |
} |
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158 |
|
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159 |
/** Functions used by the IncreaseDate function */ |
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160 |
|
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161 |
extern void OnNewDay_Train(Vehicle *v); |
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162 |
extern void OnNewDay_RoadVeh(Vehicle *v); |
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163 |
extern void OnNewDay_Aircraft(Vehicle *v); |
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164 |
extern void OnNewDay_Ship(Vehicle *v); |
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165 |
static void OnNewDay_EffectVehicle(Vehicle *v) { /* empty */ } |
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166 |
extern void OnNewDay_DisasterVehicle(Vehicle *v); |
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167 |
|
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168 |
typedef void OnNewVehicleDayProc(Vehicle *v); |
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169 |
|
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170 |
static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = { |
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171 |
OnNewDay_Train, |
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172 |
OnNewDay_RoadVeh, |
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173 |
OnNewDay_Ship, |
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174 |
OnNewDay_Aircraft, |
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175 |
OnNewDay_EffectVehicle, |
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176 |
OnNewDay_DisasterVehicle, |
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177 |
}; |
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178 |
|
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179 |
extern void WaypointsDailyLoop(void); |
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180 |
extern void TextMessageDailyLoop(void); |
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181 |
extern void EnginesDailyLoop(void); |
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182 |
extern void DisasterDailyLoop(void); |
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183 |
|
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184 |
extern void PlayersMonthlyLoop(void); |
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185 |
extern void EnginesMonthlyLoop(void); |
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186 |
extern void TownsMonthlyLoop(void); |
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187 |
extern void IndustryMonthlyLoop(void); |
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188 |
extern void StationMonthlyLoop(void); |
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189 |
|
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extern void PlayersYearlyLoop(void); |
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extern void TrainsYearlyLoop(void); |
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extern void RoadVehiclesYearlyLoop(void); |
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extern void AircraftYearlyLoop(void); |
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extern void ShipsYearlyLoop(void); |
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195 |
|
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196 |
extern void ShowEndGameChart(void); |
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197 |
|
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198 |
|
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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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202 |
3, // every 3 months |
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6, // every 6 months |
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12, // every 12 months |
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205 |
}; |
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206 |
|
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207 |
/** |
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* Runs the day_proc for every DAY_TICKS vehicle starting at daytick. |
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209 |
*/ |
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210 |
static void RunVehicleDayProc(uint daytick) |
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211 |
{ |
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uint total = GetMaxVehicleIndex() + 1; |
4261
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uint i; |
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214 |
|
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for (i = daytick; i < total; i += DAY_TICKS) { |
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Vehicle *v = GetVehicle(i); |
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217 |
|
4346
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if (IsValidVehicle(v)) _on_new_vehicle_day_proc[v->type - 0x10](v); |
4261
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219 |
} |
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220 |
} |
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221 |
|
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222 |
void IncreaseDate(void) |
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223 |
{ |
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224 |
YearMonthDay ymd; |
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225 |
|
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226 |
if (_game_mode == GM_MENU) { |
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227 |
_tick_counter++; |
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228 |
return; |
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229 |
} |
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230 |
|
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231 |
RunVehicleDayProc(_date_fract); |
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232 |
|
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233 |
/* increase day, and check if a new day is there? */ |
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|
234 |
_tick_counter++; |
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235 |
|
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236 |
_date_fract++; |
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237 |
if (_date_fract < DAY_TICKS) return; |
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238 |
_date_fract = 0; |
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|
239 |
|
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240 |
/* yeah, increase day counter and call various daily loops */ |
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|
241 |
_date++; |
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|
242 |
|
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|
243 |
TextMessageDailyLoop(); |
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244 |
|
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245 |
DisasterDailyLoop(); |
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246 |
WaypointsDailyLoop(); |
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|
247 |
|
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248 |
if (_game_mode != GM_MENU) { |
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|
249 |
InvalidateWindowWidget(WC_STATUS_BAR, 0, 0); |
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250 |
EnginesDailyLoop(); |
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|
251 |
} |
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|
252 |
|
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253 |
/* check if we entered a new month? */ |
4288
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254 |
ConvertDateToYMD(_date, &ymd); |
4261
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255 |
if (ymd.month == _cur_month) return; |
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|
256 |
_cur_month = ymd.month; |
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|
257 |
|
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|
258 |
/* yes, call various monthly loops */ |
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|
259 |
if (_game_mode != GM_MENU) { |
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|
260 |
if (_opt.autosave != 0 && (_cur_month % _autosave_months[_opt.autosave]) == 0) { |
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|
261 |
_do_autosave = true; |
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|
262 |
RedrawAutosave(); |
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|
263 |
} |
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|
264 |
|
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|
265 |
PlayersMonthlyLoop(); |
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|
266 |
EnginesMonthlyLoop(); |
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|
267 |
TownsMonthlyLoop(); |
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|
268 |
IndustryMonthlyLoop(); |
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|
269 |
StationMonthlyLoop(); |
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|
270 |
if (_network_server) NetworkServerMonthlyLoop(); |
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|
271 |
} |
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|
272 |
|
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|
273 |
/* check if we entered a new year? */ |
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|
274 |
if (ymd.year == _cur_year) return; |
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|
275 |
_cur_year = ymd.year; |
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|
276 |
|
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|
277 |
/* yes, call various yearly loops */ |
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|
278 |
PlayersYearlyLoop(); |
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|
279 |
TrainsYearlyLoop(); |
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|
280 |
RoadVehiclesYearlyLoop(); |
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|
281 |
AircraftYearlyLoop(); |
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|
282 |
ShipsYearlyLoop(); |
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parents:
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|
283 |
if (_network_server) NetworkServerYearlyLoop(); |
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|
284 |
|
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|
285 |
/* check if we reached end of the game */ |
4293
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parents:
4288
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|
286 |
if (_cur_year == _patches.ending_year) { |
4261
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|
287 |
ShowEndGameChart(); |
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rubidium
parents:
diff
changeset
|
288 |
/* check if we reached the maximum year, decrement dates by a year */ |
4293
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|
289 |
} else if (_cur_year == MAX_YEAR + 1) { |
4261
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|
290 |
Vehicle *v; |
4326
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|
291 |
uint days_this_year; |
4261
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|
292 |
|
4286
5395d94a7cf2
(svn r5916) -Cleanup: use MIN_YEAR/MAX_YEAR for the year boundaries and BASE_YEAR when comparing _cur_year with a 'full' year.
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|
293 |
_cur_year--; |
4326
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|
294 |
days_this_year = IsLeapYear(_cur_year) ? 366 : 365; |
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|
295 |
_date -= days_this_year; |
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|
296 |
FOR_ALL_VEHICLES(v) v->date_of_last_service -= days_this_year; |
4261
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|
297 |
|
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|
298 |
/* Because the _date wraps here, and text-messages expire by game-days, we have to clean out |
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parents:
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|
299 |
* all of them if the date is set back, else those messages will hang for ever */ |
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rubidium
parents:
diff
changeset
|
300 |
InitTextMessage(); |
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parents:
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|
301 |
} |
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|
302 |
|
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rubidium
parents:
diff
changeset
|
303 |
if (_patches.auto_euro) CheckSwitchToEuro(); |
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rubidium
parents:
diff
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|
304 |
} |