ref: 23ef2f50a7b94c23b50e9e690a7482ac349c9ef3
dir: /engine/menus/menu.asm/
_2DMenu_:: ld hl, CopyMenuData ld a, [wMenuData_2DMenuItemStringsBank] rst FarCall call Draw2DMenu call UpdateSprites call ApplyTilemap call Get2DMenuSelection ret _InterpretBattleMenu:: ld hl, CopyMenuData ld a, [wMenuData_2DMenuItemStringsBank] rst FarCall call Draw2DMenu farcall MobileTextBorder call UpdateSprites call ApplyTilemap call Get2DMenuSelection ret _InterpretMobileMenu:: ld hl, CopyMenuData ld a, [wMenuData_2DMenuItemStringsBank] rst FarCall call Draw2DMenu farcall MobileTextBorder call UpdateSprites call ApplyTilemap call Init2DMenuCursorPosition ld hl, w2DMenuFlags1 set 7, [hl] .loop call DelayFrame farcall Function10032e ld a, [wcd2b] and a jr nz, .quit call MobileMenuJoypad ld a, [wMenuJoypadFilter] and c jr z, .loop call Mobile_GetMenuSelection ret .quit ld a, [w2DMenuNumCols] ld c, a ld a, [w2DMenuNumRows] call SimpleMultiply ld [wMenuCursorBuffer], a and a ret Draw2DMenu: xor a ld [hBGMapMode], a call MenuBox call Place2DMenuItemStrings ret Get2DMenuSelection: call Init2DMenuCursorPosition call StaticMenuJoypad call MenuClickSound Mobile_GetMenuSelection: ld a, [wMenuDataFlags] bit 1, a jr z, .skip call GetMenuJoypad bit SELECT_F, a jr nz, .quit1 .skip ld a, [wMenuDataFlags] bit 0, a jr nz, .skip2 call GetMenuJoypad bit B_BUTTON_F, a jr nz, .quit2 .skip2 ld a, [w2DMenuNumCols] ld c, a ld a, [wMenuCursorY] dec a call SimpleMultiply ld c, a ld a, [wMenuCursorX] add c ld [wMenuCursorBuffer], a and a ret .quit1 scf ret .quit2 scf ret Get2DMenuNumberOfColumns: ld a, [wMenuData_2DMenuDimensions] and $f ret Get2DMenuNumberOfRows: ld a, [wMenuData_2DMenuDimensions] swap a and $f ret Place2DMenuItemStrings: ld hl, wMenuData_2DMenuItemStringsAddr ld e, [hl] inc hl ld d, [hl] call GetMenuTextStartCoord call Coord2Tile call Get2DMenuNumberOfRows ld b, a .row push bc push hl call Get2DMenuNumberOfColumns ld c, a .col push bc ld a, [wMenuData_2DMenuItemStringsBank] call Place2DMenuItemName inc de ld a, [wMenuData_2DMenuSpacing] ld c, a ld b, 0 add hl, bc pop bc dec c jr nz, .col pop hl ld bc, 2 * SCREEN_WIDTH add hl, bc pop bc dec b jr nz, .row ld hl, wMenuData_2DMenuFunctionAddr ld a, [hli] ld h, [hl] ld l, a or h ret z ld a, [wMenuData_2DMenuFunctionBank] rst FarCall ret Init2DMenuCursorPosition: call GetMenuTextStartCoord ld a, b ld [w2DMenuCursorInitY], a dec c ld a, c ld [w2DMenuCursorInitX], a call Get2DMenuNumberOfRows ld [w2DMenuNumRows], a call Get2DMenuNumberOfColumns ld [w2DMenuNumCols], a call .InitFlags_a call .InitFlags_b call .InitFlags_c ld a, [w2DMenuNumCols] ld e, a ld a, [wMenuCursorBuffer] ld b, a xor a ld d, 0 .loop inc d add e cp b jr c, .loop sub e ld c, a ld a, b sub c and a jr z, .reset1 cp e jr z, .okay1 jr c, .okay1 .reset1 ld a, 1 .okay1 ld [wMenuCursorX], a ld a, [w2DMenuNumRows] ld e, a ld a, d and a jr z, .reset2 cp e jr z, .okay2 jr c, .okay2 .reset2 ld a, 1 .okay2 ld [wMenuCursorY], a xor a ld [wCursorOffCharacter], a ld [wCursorCurrentTile], a ld [wCursorCurrentTile + 1], a ret .InitFlags_a: xor a ld hl, w2DMenuFlags1 ld [hli], a ld [hld], a ld a, [wMenuDataFlags] bit 5, a ret z set 5, [hl] set 4, [hl] ret .InitFlags_b: ld a, [wMenuData_2DMenuSpacing] or $20 ld [w2DMenuCursorOffsets], a ret .InitFlags_c: ld hl, wMenuDataFlags ld a, A_BUTTON bit 0, [hl] jr nz, .skip or B_BUTTON .skip bit 1, [hl] jr z, .skip2 or SELECT .skip2 ld [wMenuJoypadFilter], a ret _StaticMenuJoypad:: call Place2DMenuCursor _ScrollingMenuJoypad:: ld hl, w2DMenuFlags2 res 7, [hl] ld a, [hBGMapMode] push af call MenuJoypadLoop pop af ld [hBGMapMode], a ret MobileMenuJoypad: ld hl, w2DMenuFlags2 res 7, [hl] ld a, [hBGMapMode] push af call Move2DMenuCursor call Do2DMenuRTCJoypad jr nc, .skip_joypad call _2DMenuInterpretJoypad .skip_joypad pop af ld [hBGMapMode], a call GetMenuJoypad ld c, a ret Unreferenced_Function241d5: call Place2DMenuCursor .loop call Move2DMenuCursor call HDMATransferTileMapToWRAMBank3 ; BUG: This function is in another bank. ; Pointer in current bank (9) is bogus. call .loop2 jr nc, .done call _2DMenuInterpretJoypad jr c, .done ld a, [w2DMenuFlags1] bit 7, a jr nz, .done call GetMenuJoypad ld c, a ld a, [wMenuJoypadFilter] and c jr z, .loop .done ret .loop2 call Menu_WasButtonPressed ret c ld c, 1 ld b, 3 call AdvanceMobileInactivityTimerAndCheckExpired ; BUG: This function is in another bank. ; Pointer in current bank (9) is bogus. ret c farcall Function100337 ret c ld a, [w2DMenuFlags1] bit 7, a jr z, .loop2 and a ret MenuJoypadLoop: .loop call Move2DMenuCursor call .BGMap_OAM call Do2DMenuRTCJoypad jr nc, .done call _2DMenuInterpretJoypad jr c, .done ld a, [w2DMenuFlags1] bit 7, a jr nz, .done call GetMenuJoypad ld b, a ld a, [wMenuJoypadFilter] and b jr z, .loop .done ret .BGMap_OAM: ld a, [hOAMUpdate] push af ld a, $1 ld [hOAMUpdate], a call WaitBGMap pop af ld [hOAMUpdate], a xor a ld [hBGMapMode], a ret Do2DMenuRTCJoypad: .loopRTC call RTC call Menu_WasButtonPressed ret c ld a, [w2DMenuFlags1] bit 7, a jr z, .loopRTC and a ret Menu_WasButtonPressed: ld a, [w2DMenuFlags1] bit 6, a jr z, .skip_to_joypad callfar PlaySpriteAnimationsAndDelayFrame .skip_to_joypad call JoyTextDelay call GetMenuJoypad and a ret z scf ret _2DMenuInterpretJoypad: call GetMenuJoypad bit A_BUTTON_F, a jp nz, .a_b_start_select bit B_BUTTON_F, a jp nz, .a_b_start_select bit SELECT_F, a jp nz, .a_b_start_select bit START_F, a jp nz, .a_b_start_select bit D_RIGHT_F, a jr nz, .d_right bit D_LEFT_F, a jr nz, .d_left bit D_UP_F, a jr nz, .d_up bit D_DOWN_F, a jr nz, .d_down and a ret .set_bit_7 ld hl, w2DMenuFlags2 set 7, [hl] scf ret .d_down ld hl, wMenuCursorY ld a, [w2DMenuNumRows] cp [hl] jr z, .check_wrap_around_down inc [hl] xor a ret .check_wrap_around_down ld a, [w2DMenuFlags1] bit 5, a jr nz, .wrap_around_down bit 3, a jp nz, .set_bit_7 xor a ret .wrap_around_down ld [hl], $1 xor a ret .d_up ld hl, wMenuCursorY ld a, [hl] dec a jr z, .check_wrap_around_up ld [hl], a xor a ret .check_wrap_around_up ld a, [w2DMenuFlags1] bit 5, a jr nz, .wrap_around_up bit 2, a jp nz, .set_bit_7 xor a ret .wrap_around_up ld a, [w2DMenuNumRows] ld [hl], a xor a ret .d_left ld hl, wMenuCursorX ld a, [hl] dec a jr z, .check_wrap_around_left ld [hl], a xor a ret .check_wrap_around_left ld a, [w2DMenuFlags1] bit 4, a jr nz, .wrap_around_left bit 1, a jp nz, .set_bit_7 xor a ret .wrap_around_left ld a, [w2DMenuNumCols] ld [hl], a xor a ret .d_right ld hl, wMenuCursorX ld a, [w2DMenuNumCols] cp [hl] jr z, .check_wrap_around_right inc [hl] xor a ret .check_wrap_around_right ld a, [w2DMenuFlags1] bit 4, a jr nz, .wrap_around_right bit 0, a jp nz, .set_bit_7 xor a ret .wrap_around_right ld [hl], $1 xor a ret .a_b_start_select xor a ret Move2DMenuCursor: ld hl, wCursorCurrentTile ld a, [hli] ld h, [hl] ld l, a ld a, [hl] cp "▶" jr nz, Place2DMenuCursor ld a, [wCursorOffCharacter] ld [hl], a Place2DMenuCursor: ld a, [w2DMenuCursorInitY] ld b, a ld a, [w2DMenuCursorInitX] ld c, a call Coord2Tile ld a, [w2DMenuCursorOffsets] swap a and $f ld c, a ld a, [wMenuCursorY] ld b, a xor a dec b jr z, .got_row .row_loop add c dec b jr nz, .row_loop .got_row ld c, SCREEN_WIDTH call AddNTimes ld a, [w2DMenuCursorOffsets] and $f ld c, a ld a, [wMenuCursorX] ld b, a xor a dec b jr z, .got_col .col_loop add c dec b jr nz, .col_loop .got_col ld c, a add hl, bc ld a, [hl] cp "▶" jr z, .cursor_on ld [wCursorOffCharacter], a ld [hl], "▶" .cursor_on ld a, l ld [wCursorCurrentTile], a ld a, h ld [wCursorCurrentTile + 1], a ret _PushWindow:: ld a, [rSVBK] push af ld a, BANK(wWindowStack) ld [rSVBK], a ld hl, wWindowStackPointer ld e, [hl] inc hl ld d, [hl] push de ld b, $10 ld hl, wMenuFlags .loop ld a, [hli] ld [de], a dec de dec b jr nz, .loop ; If bit 6 or 7 of the menu flags is set, set bit 0 of the address ; at 7:[wWindowStackPointer], and draw the menu using the coordinates from the header. ; Otherwise, reset bit 0 of 7:[wWindowStackPointer]. ld a, [wMenuFlags] bit 6, a jr nz, .bit_6 bit 7, a jr z, .not_bit_7 .bit_6 ld hl, wWindowStackPointer ld a, [hli] ld h, [hl] ld l, a set 0, [hl] call MenuBoxCoord2Tile call .copy call MenuBoxCoord2Attr call .copy jr .done .not_bit_7 pop hl ; last-pushed register was de push hl ld a, [hld] ld l, [hl] ld h, a res 0, [hl] .done pop hl call .ret ; empty function ld a, h ld [de], a dec de ld a, l ld [de], a dec de ld hl, wWindowStackPointer ld [hl], e inc hl ld [hl], d pop af ld [rSVBK], a ld hl, wWindowStackSize inc [hl] ret .copy call GetMenuBoxDims inc b inc c call .ret ; empty function .row push bc push hl .col ld a, [hli] ld [de], a dec de dec c jr nz, .col pop hl ld bc, SCREEN_WIDTH add hl, bc pop bc dec b jr nz, .row ret .ret ret _ExitMenu:: xor a ld [hBGMapMode], a ld a, [rSVBK] push af ld a, BANK(wWindowStack) ld [rSVBK], a call GetWindowStackTop ld a, l or h jp z, Error_Cant_ExitMenu ld a, l ld [wWindowStackPointer], a ld a, h ld [wWindowStackPointer + 1], a call PopWindow ld a, [wMenuFlags] bit 0, a jr z, .loop ld d, h ld e, l call RestoreTileBackup .loop call GetWindowStackTop ld a, h or l jr z, .done call PopWindow .done pop af ld [rSVBK], a ld hl, wWindowStackSize dec [hl] ret Unreferenced_Function24423: ld a, [wVramState] bit 0, a ret z xor a ; sScratch call GetSRAMBank hlcoord 0, 0 ld de, sScratch ld bc, SCREEN_WIDTH * SCREEN_HEIGHT call CopyBytes call CloseSRAM call OverworldTextModeSwitch xor a ; sScratch call GetSRAMBank ld hl, sScratch decoord 0, 0 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT .loop ld a, [hl] cp $61 jr c, .next ld [de], a .next inc hl inc de dec bc ld a, c or b jr nz, .loop call CloseSRAM ret Error_Cant_ExitMenu: ld hl, .Text_NoWindowsAvailableForPopping call PrintText call WaitBGMap .InfiniteLoop: jr .InfiniteLoop .Text_NoWindowsAvailableForPopping: text_jump UnknownText_0x1c46b7 db "@" _InitVerticalMenuCursor:: ld a, [wMenuDataFlags] ld b, a ld hl, w2DMenuCursorInitY ld a, [wMenuBorderTopCoord] inc a bit 6, b jr nz, .skip_offset inc a .skip_offset ld [hli], a ; w2DMenuCursorInitX ld a, [wMenuBorderLeftCoord] inc a ld [hli], a ; w2DMenuNumRows ld a, [wMenuDataItems] ld [hli], a ; w2DMenuNumCols ld a, 1 ld [hli], a ; w2DMenuFlags1 ld [hl], $0 bit 5, b jr z, .skip_bit_5 set 5, [hl] .skip_bit_5 ld a, [wMenuFlags] bit 4, a jr z, .skip_bit_6 set 6, [hl] .skip_bit_6 inc hl ; w2DMenuFlags2 xor a ld [hli], a ; w2DMenuCursorOffsets ln a, 2, 0 ld [hli], a ; wMenuJoypadFilter ld a, A_BUTTON bit 0, b jr nz, .skip_bit_1 add B_BUTTON .skip_bit_1 ld [hli], a ; wMenuCursorY ld a, [wMenuCursorBuffer] and a jr z, .load_at_the_top ld c, a ld a, [wMenuDataItems] cp c jr nc, .load_position .load_at_the_top ld c, 1 .load_position ld [hl], c inc hl ; wMenuCursorX ld a, 1 ld [hli], a ; wCursorOffCharacter, wCursorCurrentTile xor a ld [hli], a ld [hli], a ld [hli], a ret