pokecrystal/engine/pokemon/mail.asm

566 lines
8.8 KiB
NASM

SendMailToPC:
ld a, MON_ITEM
call GetPartyParamLocation
ld d, [hl]
farcall ItemIsMail
jr nc, .full
call GetMailboxCount
cp MAILBOX_CAPACITY
jr nc, .full
ld bc, MAIL_STRUCT_LENGTH
ld hl, sMailbox
call AddNTimes
ld d, h
ld e, l
ld a, [wCurPartyMon]
ld bc, MAIL_STRUCT_LENGTH
ld hl, sPartyMail
call AddNTimes
push hl
ld a, BANK(sMailboxCount)
call GetSRAMBank
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
pop hl
xor a
ld bc, MAIL_STRUCT_LENGTH
call ByteFill
ld a, MON_ITEM
call GetPartyParamLocation
ld [hl], 0
ld hl, sMailboxCount
inc [hl]
call CloseSRAM
xor a
ret
.full
scf
ret
DeleteMailFromPC:
; Shift all mail messages in the mailbox
ld a, BANK(sMailboxCount)
call GetSRAMBank
ld a, b
push bc
ld hl, sMailbox
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
push hl
add hl, bc
pop de
pop bc
.loop
ld a, b
cp MAILBOX_CAPACITY - 1
jr z, .done
push bc
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
pop bc
inc b
jr .loop
.done
ld h, d
ld l, e
xor a
ld bc, MAIL_STRUCT_LENGTH
call ByteFill
ld hl, sMailboxCount
dec [hl]
jp CloseSRAM
ReadMailMessage:
ld a, b
ld hl, sMailbox
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld d, h
ld e, l
farcall ReadAnyMail
ret
MoveMailFromPCToParty:
ld a, BANK(sMailboxCount)
call GetSRAMBank
push bc
ld a, b
ld bc, MAIL_STRUCT_LENGTH
ld hl, sMailbox
call AddNTimes
push hl
ld a, [wCurPartyMon]
ld bc, MAIL_STRUCT_LENGTH
ld hl, sPartyMail
call AddNTimes
ld d, h
ld e, l
pop hl
push hl
ld bc, MAIL_STRUCT_LENGTH
call CopyBytes
pop hl
ld de, PARTYMON_STRUCT_LENGTH - MON_MOVES
add hl, de
ld d, [hl]
ld a, [wCurPartyMon]
ld hl, wPartyMon1Item
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld [hl], d
call CloseSRAM
pop bc
jp DeleteMailFromPC
GetMailboxCount:
ld a, BANK(sMailboxCount)
call GetSRAMBank
ld a, [sMailboxCount]
ld c, a
jp CloseSRAM
CheckPokeMail::
push bc
push de
farcall SelectMonFromParty
ld a, POKEMAIL_REFUSED
jr c, .pop_return
ld a, [wCurPartyMon]
ld hl, wPartyMon1Item
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld d, [hl]
farcall ItemIsMail
ld a, POKEMAIL_NO_MAIL
jr nc, .pop_return
ld a, BANK(sPartyMail)
call GetSRAMBank
ld a, [wCurPartyMon]
ld hl, sPartyMail
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld d, h
ld e, l
pop hl
pop bc
; Compare the mail message, byte for byte, with the expected message.
ld a, MAIL_MSG_LENGTH
ld [wTempByteValue], a
.loop
ld a, [de]
ld c, a
ld a, b
call GetFarByte
cp "@"
jr z, .done
cp c
ld a, POKEMAIL_WRONG_MAIL
jr nz, .close_sram_return
inc hl
inc de
ld a, [wTempByteValue]
dec a
ld [wTempByteValue], a
jr nz, .loop
.done
farcall CheckCurPartyMonFainted
ld a, POKEMAIL_LAST_MON
jr c, .close_sram_return
xor a ; REMOVE_PARTY
ld [wPokemonWithdrawDepositParameter], a
farcall RemoveMonFromPartyOrBox
ld a, POKEMAIL_CORRECT
.close_sram_return
call CloseSRAM
jr .return
.pop_return
pop de
pop bc
.return
ld [wScriptVar], a
ret
GivePokeMail::
ld a, [wPartyCount]
dec a
push af
push bc
ld hl, wPartyMon1Item
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
pop bc
ld [hl], b
pop af
push bc
push af
ld hl, sPartyMail
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld d, h
ld e, l
ld hl, wd002
ld bc, MAIL_MSG_LENGTH + 1
ld a, BANK(sPartyMail)
call GetSRAMBank
call CopyBytes
pop af
push af
ld hl, wPartyMonOT
ld bc, NAME_LENGTH
call AddNTimes
ld bc, NAME_LENGTH - 1
call CopyBytes
pop af
ld hl, wPartyMon1ID
ld bc, PARTYMON_STRUCT_LENGTH
call AddNTimes
ld a, [hli]
ld [de], a
inc de
ld a, [hl]
ld [de], a
inc de
ld a, [wCurPartySpecies]
ld [de], a
inc de
pop bc
ld a, b
ld [de], a
jp CloseSRAM
BackupPartyMonMail:
ld a, BANK(sPartyMail)
call GetSRAMBank
ld hl, sPartyMail
ld de, sPartyMailBackup
ld bc, 6 * MAIL_STRUCT_LENGTH
call CopyBytes
ld hl, sMailboxCount
ld de, sMailboxCountBackup
ld bc, 1 + 10 * MAIL_STRUCT_LENGTH
call CopyBytes
jp CloseSRAM
RestorePartyMonMail:
ld a, BANK(sPartyMail)
call GetSRAMBank
ld hl, sPartyMailBackup
ld de, sPartyMail
ld bc, 6 * MAIL_STRUCT_LENGTH
call CopyBytes
ld hl, sMailboxCountBackup
ld de, sMailboxCount
ld bc, 1 + 10 * MAIL_STRUCT_LENGTH
call CopyBytes
jp CloseSRAM
DeletePartyMonMail:
ld a, BANK(sPartyMail)
call GetSRAMBank
xor a
ld hl, sPartyMail
ld bc, 6 * MAIL_STRUCT_LENGTH
call ByteFill
xor a
ld hl, sMailboxCount
ld bc, 1 + 10 * MAIL_STRUCT_LENGTH
call ByteFill
jp CloseSRAM
IsAnyMonHoldingMail:
ld a, [wPartyCount]
and a
jr z, .no_mons
ld e, a
ld hl, wPartyMon1Item
.loop
ld d, [hl]
push hl
push de
farcall ItemIsMail
pop de
pop hl
ret c
ld bc, PARTYMON_STRUCT_LENGTH
add hl, bc
dec e
jr nz, .loop
.no_mons
and a
ret
_PlayerMailBoxMenu:
call InitMail
jr z, .nomail
call LoadStandardMenuHeader
call MailboxPC
jp CloseWindow
.nomail
ld hl, .EmptyMailboxText
jp MenuTextboxBackup
.EmptyMailboxText:
text_far _EmptyMailboxText
text_end
InitMail:
; initialize wMailboxCount and beyond with incrementing values, one per mail
; set z if no mail
ld a, BANK(sMailboxCount)
call GetSRAMBank
ld a, [sMailboxCount]
call CloseSRAM
ld hl, wMailboxCount
ld [hli], a
and a
jr z, .done ; if no mail, we're done
; load values in memory with incrementing values starting at wMailboxCount
ld b, a
ld a, 1
.loop
ld [hli], a
inc a
dec b
jr nz, .loop
.done
ld [hl], -1 ; terminate
ld a, [wMailboxCount]
and a
ret
MailboxPC_GetMailAuthor:
dec a
ld hl, sMailbox1Author
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld a, BANK(sMailboxCount)
call GetSRAMBank
ld de, wStringBuffer2
push de
ld bc, NAME_LENGTH - 1
call CopyBytes
ld a, "@"
ld [de], a
call CloseSRAM
pop de
ret
MailboxPC_PrintMailAuthor:
push de
ld a, [wMenuSelection]
call MailboxPC_GetMailAuthor
pop hl
jp PlaceString
MailboxPC:
xor a
ld [wCurMessageScrollPosition], a
ld a, 1
ld [wCurMessageIndex], a
.loop
call InitMail
ld hl, .TopMenuHeader
call CopyMenuHeader
xor a
ldh [hBGMapMode], a
call InitScrollingMenu
call UpdateSprites
ld a, [wCurMessageIndex]
ld [wMenuCursorBuffer], a
ld a, [wCurMessageScrollPosition]
ld [wMenuScrollPosition], a
call ScrollingMenu
ld a, [wMenuScrollPosition]
ld [wCurMessageScrollPosition], a
ld a, [wMenuCursorY]
ld [wCurMessageIndex], a
ld a, [wMenuJoypad]
cp B_BUTTON
jr z, .exit
call .Submenu
jr .loop
.exit
xor a
ret
.Submenu:
ld hl, .SubMenuHeader
call LoadMenuHeader
call VerticalMenu
call ExitMenu
jr c, .subexit
ld a, [wMenuCursorY]
dec a
ld hl, .JumpTable
rst JumpTable
.subexit
ret
.JumpTable:
dw .ReadMail
dw .PutInPack
dw .AttachMail
dw .Cancel
.ReadMail:
call FadeToMenu
ld a, [wMenuSelection]
dec a
ld b, a
call ReadMailMessage
jp CloseSubmenu
.PutInPack:
ld hl, .MailMessageLostText
call MenuTextbox
call YesNoBox
call ExitMenu
ret c
ld a, [wMenuSelection]
dec a
call .GetMailType
ld a, 1
ld [wItemQuantityChangeBuffer], a
ld hl, wNumItems
call ReceiveItem
jr c, .put_in_bag
ld hl, .MailPackFullText
jp MenuTextboxBackup
.put_in_bag
ld a, [wMenuSelection]
dec a
ld b, a
call DeleteMailFromPC
ld hl, .MailClearedPutAwayText
jp MenuTextboxBackup
.MailClearedPutAwayText:
text_far _MailClearedPutAwayText
text_end
.MailPackFullText:
text_far _MailPackFullText
text_end
.MailMessageLostText:
text_far _MailMessageLostText
text_end
.GetMailType:
push af
ld a, BANK(sMailboxCount)
call GetSRAMBank
pop af
ld hl, sMailbox1Type
ld bc, MAIL_STRUCT_LENGTH
call AddNTimes
ld a, [hl]
ld [wCurItem], a
jp CloseSRAM
.AttachMail:
call FadeToMenu
xor a
ld [wPartyMenuActionText], a
call ClearBGPalettes
.try_again
farcall LoadPartyMenuGFX
farcall InitPartyMenuWithCancel
farcall InitPartyMenuGFX
farcall WritePartyMenuTilemap
farcall PrintPartyMenuText
call WaitBGMap
call SetPalettes
call DelayFrame
farcall PartyMenuSelect
jr c, .exit2
ld a, [wCurPartySpecies]
cp EGG
jr z, .egg
ld a, MON_ITEM
call GetPartyParamLocation
ld a, [hl]
and a
jr z, .attach_mail
ld hl, .MailAlreadyHoldingItemText
call PrintText
jr .try_again
.egg
ld hl, .MailEggText
call PrintText
jr .try_again
.attach_mail
ld a, [wMenuSelection]
dec a
ld b, a
call MoveMailFromPCToParty
ld hl, .MailMovedFromBoxText
call PrintText
.exit2
jp CloseSubmenu
.MailAlreadyHoldingItemText:
text_far _MailAlreadyHoldingItemText
text_end
.MailEggText:
text_far _MailEggText
text_end
.MailMovedFromBoxText:
text_far _MailMovedFromBoxText
text_end
.Cancel:
ret
.TopMenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 8, 1, SCREEN_WIDTH - 2, 10
dw .TopMenuData
db 1 ; default option
.TopMenuData:
db SCROLLINGMENU_DISPLAY_ARROWS ; flags
db 4, 0 ; rows, columns
db SCROLLINGMENU_ITEMS_NORMAL ; item format
dbw 0, wMailboxCount ; text pointer
dba MailboxPC_PrintMailAuthor
dba NULL
dba NULL
.SubMenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 0, 13, 9
dw .SubMenuData
db 1 ; default option
.SubMenuData:
db STATICMENU_CURSOR ; flags
db 4 ; items
db "READ MAIL@"
db "PUT IN PACK@"
db "ATTACH MAIL@"
db "CANCEL@"