pokecrystal/engine/overworld/time.asm

427 lines
6.6 KiB
NASM

_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, wDailyFlags
ld [hli], a ; wDailyFlags
ld [hli], a ; wWeeklyFlags
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, wDailyFlags
set DAILYFLAGS_FISH_SWARM_F, [hl]
ret
; unused
and a
ld hl, wDailyFlags
bit DAILYFLAGS_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
ld 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:
ld 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:
ld 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
ld a, [hHours]
ld [hli], a
ld a, [hMinutes]
ld [hli], a
ld a, [hSeconds]
ld [hli], a
ret
CopyDayToHL:
ld a, [wCurDay]
ld [hl], a
ret
CopyDayHourToHL:
ld a, [wCurDay]
ld [hli], a
ld a, [hHours]
ld [hli], a
ret
CopyDayHourMinToHL:
ld a, [wCurDay]
ld [hli], a
ld a, [hHours]
ld [hli], a
ld a, [hMinutes]
ld [hli], a
ret