diff options
Diffstat (limited to 'date.c')
| -rw-r--r-- | date.c | 303 |
1 files changed, 303 insertions, 0 deletions
@@ -0,0 +1,303 @@ +/* $Id$ */ + +#include "stdafx.h" +#include "openttd.h" +#include "date.h" +#include "variables.h" +#include "macros.h" +#include "vehicle.h" +#include "network.h" +#include "network_data.h" +#include "network_server.h" +#include "functions.h" +#include "currency.h" + +Year _cur_year; +Month _cur_month; +Date _date; +DateFract _date_fract; + + +void SetDate(Date date) +{ + YearMonthDay ymd; + + _date = date; + ConvertDayToYMD(&ymd, date); + _cur_year = ymd.year; + _cur_month = ymd.month; +#ifdef ENABLE_NETWORK + _network_last_advertise_frame = 0; + _network_need_advertise = true; +#endif /* ENABLE_NETWORK */ +} + +#define M(a, b) ((a << 5) | b) +static const uint16 _month_date_from_year_day[] = { +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), +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), +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), +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), +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), +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), +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), +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), +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), +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), +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), +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), +}; +#undef M + +enum { + ACCUM_JAN = 0, + ACCUM_FEB = ACCUM_JAN + 31, + ACCUM_MAR = ACCUM_FEB + 29, + ACCUM_APR = ACCUM_MAR + 31, + ACCUM_MAY = ACCUM_APR + 30, + ACCUM_JUN = ACCUM_MAY + 31, + ACCUM_JUL = ACCUM_JUN + 30, + ACCUM_AUG = ACCUM_JUL + 31, + ACCUM_SEP = ACCUM_AUG + 31, + ACCUM_OCT = ACCUM_SEP + 30, + ACCUM_NOV = ACCUM_OCT + 31, + ACCUM_DEC = ACCUM_NOV + 30, +}; + +static const uint16 _accum_days_for_month[] = { + ACCUM_JAN, ACCUM_FEB, ACCUM_MAR, ACCUM_APR, + ACCUM_MAY, ACCUM_JUN, ACCUM_JUL, ACCUM_AUG, + ACCUM_SEP, ACCUM_OCT, ACCUM_NOV, ACCUM_DEC, +}; + + +void ConvertDayToYMD(YearMonthDay *ymd, Date date) +{ + uint yr = date / (365 + 365 + 365 + 366); + uint rem = date % (365 + 365 + 365 + 366); + uint x; + + yr *= 4; + + if (rem >= 366) { + rem--; + do { + rem -= 365; + yr++; + } while (rem >= 365); + if (rem >= 31 + 28) rem++; + } + + ymd->year = yr; + + x = _month_date_from_year_day[rem]; + ymd->month = x >> 5; + ymd->day = x & 0x1F; +} + +/** + * Converts a tupe of Year, Month and Day to a Date. + * @param year is a number between 0..? + * @param month is a number between 0..11 + * @param day is a number between 1..31 + */ +uint ConvertYMDToDay(Year year, Month month, Day day) +{ + uint rem; + + /* day in the year */ + rem = _accum_days_for_month[month] + day - 1; + + /* remove feb 29 from year 1,2,3 */ + if (year & 3) rem += (year & 3) * 365 + (rem < 31 + 29); + + /* base date. */ + return (year >> 2) * (365 + 365 + 365 + 366) + rem; +} + +/** + * Convert a date on the form: + * 1920 - 2090 (MAX_YEAR_END_REAL) + * 192001 - 209012 + * 19200101 - 20901231 + * or if > 2090 and below 65536, treat it as a daycount. + * @return -1 if no conversion was possible + */ +Date ConvertIntDate(uint date) +{ + Year year; + Month month = 0; + Day day = 1; + + if (IS_INT_INSIDE(date, 1920, MAX_YEAR_END_REAL + 1)) { + year = date - 1920; + } else if (IS_INT_INSIDE(date, 192001, 209012 + 1)) { + month = date % 100 - 1; + year = date / 100 - 1920; + } else if (IS_INT_INSIDE(date, 19200101, 20901231 + 1)) { + day = date % 100; date /= 100; + month = date % 100 - 1; + year = date / 100 - 1920; + } else if (IS_INT_INSIDE(date, 2091, 65536)) { + return date; + } else { + return (Date)-1; + } + + /* invalid ranges? */ + if (month >= 12 || !IS_INT_INSIDE(day, 1, 31 + 1)) return (Date)-1; + + return ConvertYMDToDay(year, month, day); +} + + +/** Functions used by the IncreaseDate function */ + +extern void OnNewDay_Train(Vehicle *v); +extern void OnNewDay_RoadVeh(Vehicle *v); +extern void OnNewDay_Aircraft(Vehicle *v); +extern void OnNewDay_Ship(Vehicle *v); +static void OnNewDay_EffectVehicle(Vehicle *v) { /* empty */ } +extern void OnNewDay_DisasterVehicle(Vehicle *v); + +typedef void OnNewVehicleDayProc(Vehicle *v); + +static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = { + OnNewDay_Train, + OnNewDay_RoadVeh, + OnNewDay_Ship, + OnNewDay_Aircraft, + OnNewDay_EffectVehicle, + OnNewDay_DisasterVehicle, +}; + +extern void WaypointsDailyLoop(void); +extern void TextMessageDailyLoop(void); +extern void EnginesDailyLoop(void); +extern void DisasterDailyLoop(void); + +extern void PlayersMonthlyLoop(void); +extern void EnginesMonthlyLoop(void); +extern void TownsMonthlyLoop(void); +extern void IndustryMonthlyLoop(void); +extern void StationMonthlyLoop(void); + +extern void PlayersYearlyLoop(void); +extern void TrainsYearlyLoop(void); +extern void RoadVehiclesYearlyLoop(void); +extern void AircraftYearlyLoop(void); +extern void ShipsYearlyLoop(void); + +extern void ShowEndGameChart(void); + + +static const Month _autosave_months[] = { + 0, // never + 1, // every month + 3, // every 3 months + 6, // every 6 months + 12, // every 12 months +}; + +/** + * Runs the day_proc for every DAY_TICKS vehicle starting at daytick. + */ +static void RunVehicleDayProc(uint daytick) +{ + uint total = _vehicle_pool.total_items; + uint i; + + for (i = daytick; i < total; i += DAY_TICKS) { + Vehicle *v = GetVehicle(i); + + if (v->type != 0) _on_new_vehicle_day_proc[v->type - 0x10](v); + } +} + +void IncreaseDate(void) +{ + YearMonthDay ymd; + + if (_game_mode == GM_MENU) { + _tick_counter++; + return; + } + + RunVehicleDayProc(_date_fract); + + /* increase day, and check if a new day is there? */ + _tick_counter++; + + _date_fract++; + if (_date_fract < DAY_TICKS) return; + _date_fract = 0; + + /* yeah, increase day counter and call various daily loops */ + _date++; + + TextMessageDailyLoop(); + + DisasterDailyLoop(); + WaypointsDailyLoop(); + + if (_game_mode != GM_MENU) { + InvalidateWindowWidget(WC_STATUS_BAR, 0, 0); + EnginesDailyLoop(); + } + + /* check if we entered a new month? */ + ConvertDayToYMD(&ymd, _date); + if (ymd.month == _cur_month) return; + _cur_month = ymd.month; + + /* yes, call various monthly loops */ + if (_game_mode != GM_MENU) { + if (_opt.autosave != 0 && (_cur_month % _autosave_months[_opt.autosave]) == 0) { + _do_autosave = true; + RedrawAutosave(); + } + + PlayersMonthlyLoop(); + EnginesMonthlyLoop(); + TownsMonthlyLoop(); + IndustryMonthlyLoop(); + StationMonthlyLoop(); +#ifdef ENABLE_NETWORK + if (_network_server) NetworkServerMonthlyLoop(); +#endif /* ENABLE_NETWORK */ + } + + /* check if we entered a new year? */ + if (ymd.year == _cur_year) return; + _cur_year = ymd.year; + + /* yes, call various yearly loops */ + PlayersYearlyLoop(); + TrainsYearlyLoop(); + RoadVehiclesYearlyLoop(); + AircraftYearlyLoop(); + ShipsYearlyLoop(); +#ifdef ENABLE_NETWORK + if (_network_server) NetworkServerYearlyLoop(); +#endif /* ENABLE_NETWORK */ + + /* check if we reached end of the game */ + if (_cur_year == _patches.ending_date - MAX_YEAR_BEGIN_REAL) { + ShowEndGameChart(); + /* check if we reached the maximum year, decrement dates by a year */ + } else if (_cur_year == (MAX_YEAR_END + 1)) { + Vehicle *v; + + _cur_year = MAX_YEAR_END; + _date -= 365; + FOR_ALL_VEHICLES(v) { + v->date_of_last_service -= 365; + } + + /* Because the _date wraps here, and text-messages expire by game-days, we have to clean out + * all of them if the date is set back, else those messages will hang for ever */ + InitTextMessage(); + } + + if (_patches.auto_euro) CheckSwitchToEuro(); +} |