ref: 24c058bc0af611f0fb8da5286dc08ae1837b131c
dir: /engine/overworld/time.asm/
_InitializeStartDay: call InitializeStartDay ret ClearDailyTimers: xor a ld [wLuckyNumberDayBuffer], a ld [wUnusedTwoDayTimer], a ld [wDailyResetTimer], a ret InitCallReceiveDelay:: xor a ld [wTimeCyclesSinceLastCall], a NextCallReceiveDelay: ld a, [wTimeCyclesSinceLastCall] cp 3 jr c, .okay ld a, 3 .okay ld e, a ld d, 0 ld hl, .ReceiveCallDelays add hl, de ld a, [hl] jp RestartReceiveCallDelay .ReceiveCallDelays: db 20, 10, 5, 3 CheckReceiveCallTimer: call CheckReceiveCallDelay ; check timer ret nc ld hl, wTimeCyclesSinceLastCall ld a, [hl] cp 3 jr nc, .ok inc [hl] .ok call NextCallReceiveDelay ; restart timer scf ret InitOneDayCountdown: ld a, 1 InitNDaysCountdown: ld [hl], a push hl call UpdateTime pop hl inc hl call CopyDayToHL ret CheckDayDependentEventHL: inc hl push hl call CalcDaysSince call GetDaysSince pop hl dec hl call UpdateTimeRemaining ret RestartReceiveCallDelay: ld hl, wReceiveCallDelay_MinsRemaining ld [hl], a call UpdateTime ld hl, wReceiveCallDelay_StartTime call CopyDayHourMinToHL ret CheckReceiveCallDelay: ld hl, wReceiveCallDelay_StartTime call CalcMinsHoursDaysSince call GetMinutesSinceIfLessThan60 ld hl, wReceiveCallDelay_MinsRemaining call UpdateTimeRemaining ret RestartDailyResetTimer: ld hl, wDailyResetTimer jp InitOneDayCountdown CheckDailyResetTimer:: ld hl, wDailyResetTimer call CheckDayDependentEventHL ret nc xor a ld hl, wDailyFlags1 ld [hli], a ; wDailyFlags1 ld [hli], a ; wDailyFlags2 ld [hli], a ; wSwarmFlags ld [hl], a ; wSwarmFlags + 1 ld hl, wDailyRematchFlags rept 4 ld [hli], a endr ld hl, wDailyPhoneItemFlags rept 4 ld [hli], a endr ld hl, wDailyPhoneTimeOfDayFlags rept 4 ld [hli], a endr ld hl, wKenjiBreakTimer ld a, [hl] and a jr z, .RestartKenjiBreakCountdown dec [hl] jr nz, .DontRestartKenjiBreakCountdown .RestartKenjiBreakCountdown: call SampleKenjiBreakCountdown .DontRestartKenjiBreakCountdown: jr RestartDailyResetTimer SampleKenjiBreakCountdown: ; Generate a random number between 3 and 6 call Random and %11 add 3 ld [wKenjiBreakTimer], a ret StartBugContestTimer: ld a, BUG_CONTEST_MINUTES ld [wBugContestMinsRemaining], a ld a, BUG_CONTEST_SECONDS ld [wBugContestSecsRemaining], a call UpdateTime ld hl, wBugContestStartTime call CopyDayHourMinSecToHL ret CheckBugContestTimer:: ld hl, wBugContestStartTime call CalcSecsMinsHoursDaysSince ld a, [wDaysSince] and a jr nz, .timed_out ld a, [wHoursSince] and a jr nz, .timed_out ld a, [wSecondsSince] ld b, a ld a, [wBugContestSecsRemaining] sub b jr nc, .okay add 60 .okay ld [wBugContestSecsRemaining], a ld a, [wMinutesSince] ld b, a ld a, [wBugContestMinsRemaining] sbc b ld [wBugContestMinsRemaining], a jr c, .timed_out and a ret .timed_out xor a ld [wBugContestMinsRemaining], a ld [wBugContestSecsRemaining], a scf ret InitializeStartDay: call UpdateTime ld hl, wTimerEventStartDay call CopyDayToHL ret CheckPokerusTick:: ld hl, wTimerEventStartDay call CalcDaysSince call GetDaysSince and a jr z, .done ; not even a day has passed since game start ld b, a farcall ApplyPokerusTick .done xor a ret SetUnusedTwoDayTimer: ld a, 2 ld hl, wUnusedTwoDayTimer ld [hl], a call UpdateTime ld hl, wUnusedTwoDayTimerStartDate call CopyDayToHL ret CheckUnusedTwoDayTimer: ld hl, wUnusedTwoDayTimerStartDate call CalcDaysSince call GetDaysSince ld hl, wUnusedTwoDayTimer call UpdateTimeRemaining ret ; unused ld hl, wDailyFlags1 set DAILYFLAGS1_FISH_SWARM_F, [hl] ret ; unused and a ld hl, wDailyFlags1 bit DAILYFLAGS1_FISH_SWARM_F, [hl] ret nz scf ret RestartLuckyNumberCountdown: call .GetDaysUntilNextFriday ld hl, wLuckyNumberDayBuffer jp InitNDaysCountdown .GetDaysUntilNextFriday: call GetWeekday ld c, a ld a, FRIDAY sub c jr z, .friday_saturday jr nc, .earlier ; could have done "ret nc" .friday_saturday add 7 .earlier ret _CheckLuckyNumberShowFlag: ld hl, wLuckyNumberDayBuffer jp CheckDayDependentEventHL DoMysteryGiftIfDayHasPassed: ld a, BANK(sMysteryGiftTimer) call GetSRAMBank ld hl, sMysteryGiftTimer ld a, [hli] ld [wBuffer1], a ld a, [hl] ld [wBuffer2], a call CloseSRAM ld hl, wBuffer1 call CheckDayDependentEventHL jr nc, .not_timed_out ld hl, wBuffer1 call InitOneDayCountdown call CloseSRAM farcall Function1050c8 .not_timed_out ld a, BANK(sMysteryGiftTimer) call GetSRAMBank ld hl, wBuffer1 ld a, [hli] ld [sMysteryGiftTimer], a ld a, [hl] ld [sMysteryGiftTimer + 1], a call CloseSRAM ret UpdateTimeRemaining: ; If the amount of time elapsed exceeds the capacity of its ; unit, skip this part. cp -1 jr z, .set_carry ld c, a ld a, [hl] ; time remaining sub c jr nc, .ok xor a .ok ld [hl], a jr z, .set_carry xor a ret .set_carry xor a ld [hl], a scf ret GetSecondsSinceIfLessThan60: ld a, [wDaysSince] and a jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wHoursSince] and a jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wMinutesSince] jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wSecondsSince] ret GetMinutesSinceIfLessThan60: ld a, [wDaysSince] and a jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wHoursSince] and a jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wMinutesSince] ret GetHoursSinceIfLessThan24: ld a, [wDaysSince] and a jr nz, GetTimeElapsed_ExceedsUnitLimit ld a, [wHoursSince] ret GetDaysSince: ld a, [wDaysSince] ret GetTimeElapsed_ExceedsUnitLimit: ld a, -1 ret CalcDaysSince: xor a jr _CalcDaysSince CalcHoursDaysSince: inc hl xor a jr _CalcHoursDaysSince CalcMinsHoursDaysSince: inc hl inc hl xor a jr _CalcMinsHoursDaysSince CalcSecsMinsHoursDaysSince: inc hl inc hl inc hl ldh a, [hSeconds] ld c, a sub [hl] jr nc, .skip add 60 .skip ld [hl], c ; current seconds dec hl ld [wSecondsSince], a ; seconds since _CalcMinsHoursDaysSince: ldh a, [hMinutes] ld c, a sbc [hl] jr nc, .skip add 60 .skip ld [hl], c ; current minutes dec hl ld [wMinutesSince], a ; minutes since _CalcHoursDaysSince: ldh a, [hHours] ld c, a sbc [hl] jr nc, .skip add 24 .skip ld [hl], c ; current hours dec hl ld [wHoursSince], a ; hours since _CalcDaysSince: ld a, [wCurDay] ld c, a sbc [hl] jr nc, .skip add 20 * 7 .skip ld [hl], c ; current days ld [wDaysSince], a ; days since ret CopyDayHourMinSecToHL: ld a, [wCurDay] ld [hli], a ldh a, [hHours] ld [hli], a ldh a, [hMinutes] ld [hli], a ldh a, [hSeconds] ld [hli], a ret CopyDayToHL: ld a, [wCurDay] ld [hl], a ret CopyDayHourToHL: ld a, [wCurDay] ld [hli], a ldh a, [hHours] ld [hli], a ret CopyDayHourMinToHL: ld a, [wCurDay] ld [hli], a ldh a, [hHours] ld [hli], a ldh a, [hMinutes] ld [hli], a ret