mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
446f1846b1
Source: https://projectpokemon.org/home/forums/topic/43930-mystery-gift-reverse-engineering-of-ir-protocol/
441 lines
6.9 KiB
NASM
441 lines
6.9 KiB
NASM
_InitializeStartDay:
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call InitializeStartDay
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ret
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ClearDailyTimers:
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xor a
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ld [wLuckyNumberDayBuffer], a
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ld [wUnusedTwoDayTimer], a
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ld [wDailyResetTimer], a
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ret
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InitCallReceiveDelay::
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xor a
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ld [wTimeCyclesSinceLastCall], a
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NextCallReceiveDelay:
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ld a, [wTimeCyclesSinceLastCall]
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cp 3
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jr c, .okay
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ld a, 3
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.okay
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ld e, a
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ld d, 0
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ld hl, .ReceiveCallDelays
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add hl, de
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ld a, [hl]
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if DEF(_DEBUG)
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ld h, a
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ld a, BANK(sDebugTimeCyclesSinceLastCall)
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call OpenSRAM
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ld a, [sDebugTimeCyclesSinceLastCall]
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call CloseSRAM
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dec a
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cp 2
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jr nc, .debug_ok
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xor 1
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ld h, a
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.debug_ok
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ld a, h
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endc
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jp RestartReceiveCallDelay
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.ReceiveCallDelays:
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db 20, 10, 5, 3
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CheckReceiveCallTimer:
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call CheckReceiveCallDelay ; check timer
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ret nc
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ld hl, wTimeCyclesSinceLastCall
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ld a, [hl]
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cp 3
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jr nc, .ok
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inc [hl]
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.ok
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call NextCallReceiveDelay ; restart timer
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scf
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ret
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InitOneDayCountdown:
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ld a, 1
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InitNDaysCountdown:
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ld [hl], a
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push hl
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call UpdateTime
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pop hl
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inc hl
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call CopyDayToHL
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ret
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CheckDayDependentEventHL:
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inc hl
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push hl
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call CalcDaysSince
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call GetDaysSince
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pop hl
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dec hl
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call UpdateTimeRemaining
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ret
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RestartReceiveCallDelay:
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ld hl, wReceiveCallDelay_MinsRemaining
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ld [hl], a
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call UpdateTime
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ld hl, wReceiveCallDelay_StartTime
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call CopyDayHourMinToHL
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ret
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CheckReceiveCallDelay:
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ld hl, wReceiveCallDelay_StartTime
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call CalcMinsHoursDaysSince
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call GetMinutesSinceIfLessThan60
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ld hl, wReceiveCallDelay_MinsRemaining
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call UpdateTimeRemaining
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ret
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RestartDailyResetTimer:
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ld hl, wDailyResetTimer
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jp InitOneDayCountdown
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CheckDailyResetTimer::
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ld hl, wDailyResetTimer
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call CheckDayDependentEventHL
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ret nc
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xor a
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ld hl, wDailyFlags1
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ld [hli], a ; wDailyFlags1
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ld [hli], a ; wDailyFlags2
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ld [hli], a ; wSwarmFlags
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ld [hl], a ; wSwarmFlags + 1
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ld hl, wDailyRematchFlags
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rept 4
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ld [hli], a
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endr
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ld hl, wDailyPhoneItemFlags
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rept 4
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ld [hli], a
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endr
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ld hl, wDailyPhoneTimeOfDayFlags
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rept 4
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ld [hli], a
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endr
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ld hl, wKenjiBreakTimer
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ld a, [hl]
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and a
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jr z, .RestartKenjiBreakCountdown
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dec [hl]
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jr nz, .DontRestartKenjiBreakCountdown
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.RestartKenjiBreakCountdown:
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call SampleKenjiBreakCountdown
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.DontRestartKenjiBreakCountdown:
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jr RestartDailyResetTimer
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SampleKenjiBreakCountdown:
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; Generate a random number between 3 and 6
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call Random
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and %11
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add 3
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ld [wKenjiBreakTimer], a
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ret
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StartBugContestTimer:
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ld a, BUG_CONTEST_MINUTES
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ld [wBugContestMinsRemaining], a
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ld a, BUG_CONTEST_SECONDS
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ld [wBugContestSecsRemaining], a
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call UpdateTime
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ld hl, wBugContestStartTime
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call CopyDayHourMinSecToHL
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ret
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CheckBugContestTimer::
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ld hl, wBugContestStartTime
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call CalcSecsMinsHoursDaysSince
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ld a, [wDaysSince]
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and a
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jr nz, .timed_out
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ld a, [wHoursSince]
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and a
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jr nz, .timed_out
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ld a, [wSecondsSince]
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ld b, a
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ld a, [wBugContestSecsRemaining]
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sub b
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jr nc, .okay
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add 60
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.okay
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ld [wBugContestSecsRemaining], a
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ld a, [wMinutesSince]
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ld b, a
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ld a, [wBugContestMinsRemaining]
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sbc b
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ld [wBugContestMinsRemaining], a
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jr c, .timed_out
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and a
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ret
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.timed_out
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xor a
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ld [wBugContestMinsRemaining], a
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ld [wBugContestSecsRemaining], a
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scf
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ret
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InitializeStartDay:
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call UpdateTime
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ld hl, wTimerEventStartDay
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call CopyDayToHL
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ret
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CheckPokerusTick::
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ld hl, wTimerEventStartDay
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call CalcDaysSince
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call GetDaysSince
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and a
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jr z, .done ; not even a day has passed since game start
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ld b, a
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farcall ApplyPokerusTick
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.done
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xor a
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ret
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SetUnusedTwoDayTimer: ; unreferenced
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ld a, 2
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ld hl, wUnusedTwoDayTimer
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ld [hl], a
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call UpdateTime
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ld hl, wUnusedTwoDayTimerStartDate
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call CopyDayToHL
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ret
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CheckUnusedTwoDayTimer:
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ld hl, wUnusedTwoDayTimerStartDate
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call CalcDaysSince
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call GetDaysSince
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ld hl, wUnusedTwoDayTimer
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call UpdateTimeRemaining
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ret
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; unused
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ld hl, wDailyFlags1
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set DAILYFLAGS1_FISH_SWARM_F, [hl]
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ret
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; unused
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and a
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ld hl, wDailyFlags1
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bit DAILYFLAGS1_FISH_SWARM_F, [hl]
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ret nz
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scf
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ret
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RestartLuckyNumberCountdown:
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call .GetDaysUntilNextFriday
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ld hl, wLuckyNumberDayBuffer
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jp InitNDaysCountdown
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.GetDaysUntilNextFriday:
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call GetWeekday
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ld c, a
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ld a, FRIDAY
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sub c
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jr z, .friday_saturday
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jr nc, .earlier ; could have done "ret nc"
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.friday_saturday
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add 7
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.earlier
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ret
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_CheckLuckyNumberShowFlag:
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ld hl, wLuckyNumberDayBuffer
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jp CheckDayDependentEventHL
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DoMysteryGiftIfDayHasPassed:
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ld a, BANK(sMysteryGiftTimer)
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call OpenSRAM
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ld hl, sMysteryGiftTimer
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ld a, [hli]
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ld [wBuffer1], a
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ld a, [hl]
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ld [wBuffer2], a
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call CloseSRAM
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ld hl, wBuffer1
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call CheckDayDependentEventHL
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jr nc, .not_timed_out
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ld hl, wBuffer1
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call InitOneDayCountdown
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call CloseSRAM
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farcall ResetDailyMysteryGiftLimitIfUnlocked
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.not_timed_out
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ld a, BANK(sMysteryGiftTimer)
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call OpenSRAM
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ld hl, wBuffer1
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ld a, [hli]
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ld [sMysteryGiftTimer], a
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ld a, [hl]
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ld [sMysteryGiftTimer + 1], a
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call CloseSRAM
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ret
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UpdateTimeRemaining:
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; If the amount of time elapsed exceeds the capacity of its
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; unit, skip this part.
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cp -1
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jr z, .set_carry
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ld c, a
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ld a, [hl] ; time remaining
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sub c
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jr nc, .ok
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xor a
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.ok
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ld [hl], a
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jr z, .set_carry
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xor a
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ret
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.set_carry
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xor a
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ld [hl], a
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scf
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ret
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GetSecondsSinceIfLessThan60: ; unreferenced
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ld a, [wDaysSince]
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and a
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wHoursSince]
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and a
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wMinutesSince]
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wSecondsSince]
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ret
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GetMinutesSinceIfLessThan60:
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ld a, [wDaysSince]
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and a
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wHoursSince]
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and a
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wMinutesSince]
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ret
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GetHoursSinceIfLessThan24: ; unreferenced
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ld a, [wDaysSince]
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and a
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jr nz, GetTimeElapsed_ExceedsUnitLimit
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ld a, [wHoursSince]
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ret
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GetDaysSince:
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ld a, [wDaysSince]
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ret
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GetTimeElapsed_ExceedsUnitLimit:
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ld a, -1
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ret
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CalcDaysSince:
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xor a
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jr _CalcDaysSince
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CalcHoursDaysSince: ; unreferenced
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inc hl
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xor a
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jr _CalcHoursDaysSince
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CalcMinsHoursDaysSince:
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inc hl
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inc hl
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xor a
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jr _CalcMinsHoursDaysSince
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CalcSecsMinsHoursDaysSince:
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inc hl
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inc hl
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inc hl
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ldh a, [hSeconds]
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ld c, a
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sub [hl]
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jr nc, .skip
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add 60
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.skip
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ld [hl], c ; current seconds
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dec hl
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ld [wSecondsSince], a ; seconds since
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_CalcMinsHoursDaysSince:
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ldh a, [hMinutes]
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ld c, a
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sbc [hl]
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jr nc, .skip
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add 60
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.skip
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ld [hl], c ; current minutes
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dec hl
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ld [wMinutesSince], a ; minutes since
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_CalcHoursDaysSince:
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ldh a, [hHours]
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ld c, a
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sbc [hl]
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jr nc, .skip
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add 24
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.skip
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ld [hl], c ; current hours
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dec hl
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ld [wHoursSince], a ; hours since
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_CalcDaysSince:
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ld a, [wCurDay]
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ld c, a
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sbc [hl]
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jr nc, .skip
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add 20 * 7
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.skip
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ld [hl], c ; current days
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ld [wDaysSince], a ; days since
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ret
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CopyDayHourMinSecToHL:
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ld a, [wCurDay]
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ld [hli], a
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ldh a, [hHours]
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ld [hli], a
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ldh a, [hMinutes]
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ld [hli], a
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ldh a, [hSeconds]
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ld [hli], a
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ret
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CopyDayToHL:
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ld a, [wCurDay]
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ld [hl], a
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ret
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CopyDayHourToHL: ; unreferenced
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ld a, [wCurDay]
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ld [hli], a
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ldh a, [hHours]
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ld [hli], a
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ret
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CopyDayHourMinToHL:
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ld a, [wCurDay]
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ld [hli], a
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ldh a, [hHours]
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ld [hli], a
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ldh a, [hMinutes]
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ld [hli], a
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ret
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