pokecrystal-board/engine/events/mom_phone.asm
mid-kid 940256569b text_jump → text_far
The previous name for this was rather misleading. It isn't an actual
jump like you'd expect the `jp` instruction to behave as. Instead, it
behaves more like a `farcall`.
This also makes it consistent with its current command ID name of
`TX_FAR`.
2018-11-05 22:26:18 +01:00

245 lines
3.7 KiB
NASM

NUM_MOM_ITEMS_1 EQUS "((MomItems_1.End - MomItems_1) / 8)"
NUM_MOM_ITEMS_2 EQUS "((MomItems_2.End - MomItems_2) / 8)"
const_value = 1
const MOM_ITEM
const MOM_DOLL
MomTriesToBuySomething::
ld a, [wMapReentryScriptQueueFlag]
and a
ret nz
call GetMapPhoneService
and a
ret nz
xor a
ld [wWhichMomItemSet], a
call CheckBalance_MomItem2
ret nc
call Mom_GiveItemOrDoll
ret nc
ld b, BANK(.Script)
ld de, .Script
farcall LoadScriptBDE
scf
ret
.Script:
callasm .ASMFunction
farjump Script_ReceivePhoneCall
.ASMFunction:
call MomBuysItem_DeductFunds
call Mom_GetScriptPointer
ld a, [wWhichMomItemSet]
and a
jr nz, .ok
ld hl, wWhichMomItem
inc [hl]
.ok
ld a, PHONE_MOM
ld [wCurCaller], a
ld bc, wEngineBuffer2
ld hl, 0
add hl, bc
ld [hl], 0
inc hl
ld [hl], 1
ld hl, wPhoneScriptPointer - wEngineBuffer2
add hl, bc
ld a, BANK(Mom_GetScriptPointer)
ld [hli], a
ld a, e
ld [hli], a
ld a, d
ld [hl], a
ret
CheckBalance_MomItem2:
ld a, [wWhichMomItem]
cp NUM_MOM_ITEMS_2
jr nc, .nope
call GetItemFromMom
ld a, [hli]
ldh [hMoneyTemp], a
ld a, [hli]
ldh [hMoneyTemp + 1], a
ld a, [hli]
ldh [hMoneyTemp + 2], a
ld de, wMomsMoney
ld bc, hMoneyTemp
farcall CompareMoney
jr nc, .have_enough_money
.nope
jr .check_have_2300
.have_enough_money
scf
ret
.check_have_2300
ld hl, hMoneyTemp
ld [hl], HIGH(MOM_MONEY >> 8)
inc hl
ld [hl], HIGH(MOM_MONEY) ; mid
inc hl
ld [hl], LOW(MOM_MONEY)
.loop
ld de, wMomItemTriggerBalance
ld bc, wMomsMoney
farcall CompareMoney
jr z, .exact
jr nc, .less_than
call .AddMoney
jr .loop
.less_than
xor a
ret
.exact
call .AddMoney
ld a, NUM_MOM_ITEMS_1
call RandomRange
inc a
ld [wWhichMomItemSet], a
scf
ret
.AddMoney:
ld de, wMomItemTriggerBalance
ld bc, hMoneyTemp
farcall AddMoney
ret
MomBuysItem_DeductFunds:
call GetItemFromMom
ld de, 3 ; cost
add hl, de
ld a, [hli]
ldh [hMoneyTemp], a
ld a, [hli]
ldh [hMoneyTemp + 1], a
ld a, [hli]
ldh [hMoneyTemp + 2], a
ld de, wMomsMoney
ld bc, hMoneyTemp
farcall TakeMoney
ret
Mom_GiveItemOrDoll:
call GetItemFromMom
ld de, 6 ; item type
add hl, de
ld a, [hli]
cp MOM_ITEM
jr z, .not_doll
ld a, [hl]
ld c, a
ld b, 1
farcall DecorationFlagAction_c
scf
ret
.not_doll
ld a, [hl]
ld [wCurItem], a
ld a, 1
ld [wItemQuantityChangeBuffer], a
ld hl, wPCItems
call ReceiveItem
ret
Mom_GetScriptPointer:
call GetItemFromMom
ld de, 6 ; item type
add hl, de
ld a, [hli]
ld de, .ItemScript
cp MOM_ITEM
ret z
ld de, .DollScript
ret
.ItemScript:
writetext _MomText_HiHowAreYou
writetext _MomText_FoundAnItem
writetext _MomText_BoughtWithYourMoney
writetext _MomText_ItsInPC
end
.DollScript:
writetext _MomText_HiHowAreYou
writetext _MomText_FoundADoll
writetext _MomText_BoughtWithYourMoney
writetext _MomText_ItsInRoom
end
GetItemFromMom:
ld a, [wWhichMomItemSet]
and a
jr z, .zero
dec a
ld de, MomItems_1
jr .GetFromList1
.zero
ld a, [wWhichMomItem]
cp NUM_MOM_ITEMS_2
jr c, .ok
xor a
.ok
ld de, MomItems_2
.GetFromList1:
ld l, a
ld h, 0
rept 3 ; multiply hl by 8
add hl, hl
endr
add hl, de
ret
INCLUDE "data/items/mom_phone.asm"
db 0, 0, 0 ; unused
_MomText_HiHowAreYou:
; Hi, ! How are you?
text_far UnknownText_0x1bc615
db "@"
_MomText_FoundAnItem:
; I found a useful item shopping, so
text_far UnknownText_0x1bc62a
db "@"
_MomText_BoughtWithYourMoney:
; I bought it with your money. Sorry!
text_far UnknownText_0x1bc64e
db "@"
_MomText_ItsInPC:
; It's in your PC. You'll like it!
text_far UnknownText_0x1bc673
db "@"
_MomText_FoundADoll:
; While shopping today, I saw this adorable doll, so
text_far UnknownText_0x1bc693
db "@"
_MomText_ItsInRoom:
; It's in your room. You'll love it!
text_far UnknownText_0x1bc6c7
db "@"
db 0 ; unused
DummyPredef3A:
ret
ret ; unused