1 /* $Id$ */ |
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2 |
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3 #include "stdafx.h" |
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4 #include "openttd.h" |
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5 #include "date.h" |
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6 #include "variables.h" |
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7 #include "macros.h" |
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8 #include "vehicle.h" |
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9 #include "network/network.h" |
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10 #include "network/network_data.h" |
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11 #include "network/network_server.h" |
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12 #include "functions.h" |
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13 #include "currency.h" |
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14 |
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15 Year _cur_year; |
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16 Month _cur_month; |
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17 Date _date; |
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18 DateFract _date_fract; |
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19 |
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20 |
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21 void SetDate(Date date) |
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22 { |
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23 YearMonthDay ymd; |
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24 |
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25 _date = date; |
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26 ConvertDateToYMD(date, &ymd); |
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27 _cur_year = ymd.year; |
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28 _cur_month = ymd.month; |
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29 #ifdef ENABLE_NETWORK |
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30 _network_last_advertise_frame = 0; |
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31 _network_need_advertise = true; |
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32 #endif /* ENABLE_NETWORK */ |
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33 } |
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34 |
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35 #define M(a, b) ((a << 5) | b) |
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36 static const uint16 _month_date_from_year_day[] = { |
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37 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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38 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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39 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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40 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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41 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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42 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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43 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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44 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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45 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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46 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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47 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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48 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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49 }; |
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50 #undef M |
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51 |
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52 enum { |
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53 ACCUM_JAN = 0, |
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54 ACCUM_FEB = ACCUM_JAN + 31, |
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55 ACCUM_MAR = ACCUM_FEB + 29, |
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56 ACCUM_APR = ACCUM_MAR + 31, |
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57 ACCUM_MAY = ACCUM_APR + 30, |
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58 ACCUM_JUN = ACCUM_MAY + 31, |
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59 ACCUM_JUL = ACCUM_JUN + 30, |
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60 ACCUM_AUG = ACCUM_JUL + 31, |
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61 ACCUM_SEP = ACCUM_AUG + 31, |
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62 ACCUM_OCT = ACCUM_SEP + 30, |
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63 ACCUM_NOV = ACCUM_OCT + 31, |
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64 ACCUM_DEC = ACCUM_NOV + 30, |
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65 }; |
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66 |
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67 static const uint16 _accum_days_for_month[] = { |
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68 ACCUM_JAN, ACCUM_FEB, ACCUM_MAR, ACCUM_APR, |
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69 ACCUM_MAY, ACCUM_JUN, ACCUM_JUL, ACCUM_AUG, |
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70 ACCUM_SEP, ACCUM_OCT, ACCUM_NOV, ACCUM_DEC, |
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71 }; |
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72 |
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73 static inline bool IsLeapYear(Year yr) |
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74 { |
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75 return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0); |
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76 } |
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77 |
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78 /** |
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79 * Converts a Date to a Year, Month & Day. |
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80 * @param date the date to convert from |
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81 * @param ymd the year, month and day to write to |
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82 */ |
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83 void ConvertDateToYMD(Date date, YearMonthDay *ymd) |
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84 { |
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85 /* |
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86 * Year determination in multiple steps to account for leap |
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87 * years. First do the large steps, then the smaller ones. |
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88 */ |
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89 |
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90 /* There are 97 leap years in 400 years */ |
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91 Year yr = 400 * (date / (365 * 400 + 97)); |
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92 int rem = date % (365 * 400 + 97); |
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93 uint16 x; |
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94 |
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95 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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97 * every 400th year, as every 400th year is a leap year */ |
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98 yr += 100; |
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99 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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102 yr += 100 * (rem / (365 * 100 + 24)); |
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103 rem = (rem % (365 * 100 + 24)); |
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104 } |
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105 |
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106 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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109 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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113 yr += 4 * (rem / (365 * 4 + 1)); |
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114 rem = rem % (365 * 4 + 1); |
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115 |
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116 /* The last (max 3) years to account for; the first one |
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117 * can be, but is not necessarily a leap year */ |
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118 while (rem >= (IsLeapYear(yr) ? 366 : 365)) { |
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119 rem -= IsLeapYear(yr) ? 366 : 365; |
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120 yr++; |
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121 } |
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122 |
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123 /* Skip the 29th of February in non-leap years */ |
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124 if (!IsLeapYear(yr) && rem >= ACCUM_MAR - 1) rem++; |
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125 |
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126 ymd->year = yr; |
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127 |
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128 x = _month_date_from_year_day[rem]; |
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129 ymd->month = x >> 5; |
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130 ymd->day = x & 0x1F; |
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131 } |
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132 |
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133 /** |
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134 * Converts a tupe of Year, Month and Day to a Date. |
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135 * @param year is a number between 0..MAX_YEAR |
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136 * @param month is a number between 0..11 |
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137 * @param day is a number between 1..31 |
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138 */ |
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139 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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144 * A special case for the year 0 as no year has been passed, |
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145 * but '(year - 1) / 4' does not yield '-1' to counteract the |
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146 * '+1' at the end of the formula as divisions round to zero. |
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147 */ |
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148 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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153 /* 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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155 |
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156 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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190 extern void PlayersYearlyLoop(void); |
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191 extern void TrainsYearlyLoop(void); |
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192 extern void RoadVehiclesYearlyLoop(void); |
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193 extern void AircraftYearlyLoop(void); |
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194 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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199 static const Month _autosave_months[] = { |
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200 0, // never |
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201 1, // every month |
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202 3, // every 3 months |
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203 6, // every 6 months |
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204 12, // every 12 months |
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205 }; |
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206 |
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207 /** |
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208 * 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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212 uint total = GetMaxVehicleIndex() + 1; |
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213 uint i; |
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214 |
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215 for (i = daytick; i < total; i += DAY_TICKS) { |
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216 Vehicle *v = GetVehicle(i); |
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217 |
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218 if (IsValidVehicle(v)) _on_new_vehicle_day_proc[v->type - 0x10](v); |
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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? */ |
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254 ConvertDateToYMD(_date, &ymd); |
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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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283 if (_network_server) NetworkServerYearlyLoop(); |
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284 |
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285 /* check if we reached end of the game */ |
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286 if (_cur_year == _patches.ending_year) { |
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287 ShowEndGameChart(); |
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288 /* check if we reached the maximum year, decrement dates by a year */ |
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289 } else if (_cur_year == MAX_YEAR + 1) { |
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290 Vehicle *v; |
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291 uint days_this_year; |
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292 |
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293 _cur_year--; |
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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; |
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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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299 * all of them if the date is set back, else those messages will hang for ever */ |
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300 InitTextMessage(); |
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301 } |
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302 |
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303 if (_patches.auto_euro) CheckSwitchToEuro(); |
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304 } |
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