pokecrystal/engine/menus/menu.asm

804 lines
11 KiB
NASM

_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
ldh [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]
ldh a, [hBGMapMode]
push af
call MenuJoypadLoop
pop af
ldh [hBGMapMode], a
ret
MobileMenuJoypad:
ld hl, w2DMenuFlags2
res 7, [hl]
ldh a, [hBGMapMode]
push af
call Move2DMenuCursor
call Do2DMenuRTCJoypad
jr nc, .skip_joypad
call _2DMenuInterpretJoypad
.skip_joypad
pop af
ldh [hBGMapMode], a
call GetMenuJoypad
ld c, a
ret
Function241d5: ; unreferenced
call Place2DMenuCursor
.loop
call Move2DMenuCursor
call HDMATransferTilemapToWRAMBank3 ; BUG: This function is in another bank.
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.
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:
ldh a, [hOAMUpdate]
push af
ld a, $1
ldh [hOAMUpdate], a
call WaitBGMap
pop af
ldh [hOAMUpdate], a
xor a
ldh [hBGMapMode], a
ret
Do2DMenuRTCJoypad:
.loopRTC
call UpdateTimeAndPals
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::
ldh a, [rSVBK]
push af
ld a, BANK(wWindowStack)
ldh [rSVBK], a
ld hl, wWindowStackPointer
ld e, [hl]
inc hl
ld d, [hl]
push de
ld b, wMenuHeaderEnd - wMenuHeader
ld hl, wMenuHeader
.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
ldh [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
ldh [hBGMapMode], a
ldh a, [rSVBK]
push af
ld a, BANK(wWindowStack)
ldh [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
ldh [rSVBK], a
ld hl, wWindowStackSize
dec [hl]
ret
RestoreOverworldMapTiles: ; unreferenced
ld a, [wVramState]
bit 0, a
ret z
xor a ; sScratch
call OpenSRAM
hlcoord 0, 0
ld de, sScratch
ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
call CopyBytes
call CloseSRAM
call OverworldTextModeSwitch
xor a ; sScratch
call OpenSRAM
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, .WindowPoppingErrorText
call PrintText
call WaitBGMap
.infinite_loop
jr .infinite_loop
.WindowPoppingErrorText:
text_far _WindowPoppingErrorText
text_end
_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