ref: fbcc8d1b0e05cace2abe2083a88a8c2304efc9d7
dir: /engine/pokemon/mail.asm/
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, sMailboxes 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 OpenSRAM 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 OpenSRAM ld a, b push bc ld hl, sMailboxes 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, sMailboxes ld bc, MAIL_STRUCT_LENGTH call AddNTimes ld d, h ld e, l farcall ReadAnyMail ret MoveMailFromPCToParty: ld a, BANK(sMailboxCount) call OpenSRAM push bc ld a, b ld bc, MAIL_STRUCT_LENGTH ld hl, sMailboxes 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 OpenSRAM 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 OpenSRAM 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, wMonMailMessageBuffer ld bc, MAIL_MSG_LENGTH + 1 ld a, BANK(sPartyMail) call OpenSRAM call CopyBytes pop af push af ld hl, wPartyMonOTs 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 OpenSRAM ld hl, sPartyMail ld de, sPartyMailBackup ld bc, PARTY_LENGTH * MAIL_STRUCT_LENGTH call CopyBytes ld hl, sMailboxCount ld de, sMailboxCountBackup ld bc, 1 + MAILBOX_CAPACITY * MAIL_STRUCT_LENGTH call CopyBytes jp CloseSRAM RestorePartyMonMail: ld a, BANK(sPartyMail) call OpenSRAM ld hl, sPartyMailBackup ld de, sPartyMail ld bc, PARTY_LENGTH * MAIL_STRUCT_LENGTH call CopyBytes ld hl, sMailboxCountBackup ld de, sMailboxCount ld bc, 1 + MAILBOX_CAPACITY * MAIL_STRUCT_LENGTH call CopyBytes jp CloseSRAM DeletePartyMonMail: ld a, BANK(sPartyMail) call OpenSRAM xor a ld hl, sPartyMail ld bc, PARTY_LENGTH * MAIL_STRUCT_LENGTH call ByteFill xor a ld hl, sMailboxCount ld bc, 1 + MAILBOX_CAPACITY * 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: ; return z if no mail ld a, BANK(sMailboxCount) call OpenSRAM ld a, [sMailboxCount] call CloseSRAM ; initialize wMailboxCount from sMailboxCount ld hl, wMailboxCount ld [hli], a assert wMailboxCount + 1 == wMailboxItems and a jr z, .done ; if no mail, we're done ; initialize wMailboxItems with incrementing values starting at 1 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 OpenSRAM 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 [wMenuCursorPosition], 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 [wItemQuantityChange], 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 OpenSRAM 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 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@"