pokecrystal-board/engine/pokemon/mon_submenu.asm
Rangi 99e66c2557 Rename some labels
- Remove "Buffer" suffix from some byte and word quantities
- Change "Ptr" to "Pointer"

Fixes #789
2020-12-23 16:29:30 -05:00

291 lines
4.1 KiB
NASM

INCLUDE "data/mon_menu.asm"
MonSubmenu:
xor a
ldh [hBGMapMode], a
call GetMonSubmenuItems
farcall FreezeMonIcons
ld hl, .MenuHeader
call LoadMenuHeader
call .GetTopCoord
call PopulateMonMenu
ld a, 1
ldh [hBGMapMode], a
call MonMenuLoop
ld [wMenuSelection], a
call ExitMenu
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 6, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw 0
db 1 ; default option
.GetTopCoord:
; [wMenuBorderTopCoord] = 1 + [wMenuBorderBottomCoord] - 2 * ([wMonSubmenuCount] + 1)
ld a, [wMonSubmenuCount]
inc a
add a
ld b, a
ld a, [wMenuBorderBottomCoord]
sub b
inc a
ld [wMenuBorderTopCoord], a
call MenuBox
ret
MonMenuLoop:
.loop
ld a, MENU_UNUSED_3 | MENU_BACKUP_TILES_2 ; flags
ld [wMenuDataFlags], a
ld a, [wMonSubmenuCount] ; items
ld [wMenuDataItems], a
call InitVerticalMenuCursor
ld hl, w2DMenuFlags1
set 6, [hl]
call StaticMenuJoypad
ld de, SFX_READ_TEXT_2
call PlaySFX
ldh a, [hJoyPressed]
bit A_BUTTON_F, a
jr nz, .select
bit B_BUTTON_F, a
jr nz, .cancel
jr .loop
.cancel
ld a, MONMENUITEM_CANCEL
ret
.select
ld a, [wMenuCursorY]
dec a
ld c, a
ld b, 0
ld hl, wMonSubmenuItems
add hl, bc
ld a, [hl]
ret
PopulateMonMenu:
call MenuBoxCoord2Tile
ld bc, 2 * SCREEN_WIDTH + 2
add hl, bc
ld de, wMonSubmenuItems
.loop
ld a, [de]
inc de
cp -1
ret z
push de
push hl
call GetMonMenuString
pop hl
call PlaceString
ld bc, 2 * SCREEN_WIDTH
add hl, bc
pop de
jr .loop
GetMonMenuString:
ld hl, MonMenuOptions + 1
ld de, 3
call IsInArray
dec hl
ld a, [hli]
cp MONMENU_MENUOPTION
jr z, .NotMove
inc hl
ld a, [hl]
ld [wNamedObjectIndex], a
call GetMoveName
ret
.NotMove:
inc hl
ld a, [hl]
dec a
ld hl, MonMenuOptionStrings
call GetNthString
ld d, h
ld e, l
ret
GetMonSubmenuItems:
call ResetMonSubmenu
ld a, [wCurPartySpecies]
cp EGG
jr z, .egg
ld a, [wLinkMode]
and a
jr nz, .skip_moves
ld a, MON_MOVES
call GetPartyParamLocation
ld d, h
ld e, l
ld c, NUM_MOVES
.loop
push bc
push de
ld a, [de]
and a
jr z, .next
push hl
call IsFieldMove
pop hl
jr nc, .next
call AddMonMenuItem
.next
pop de
inc de
pop bc
dec c
jr nz, .loop
.skip_moves
ld a, MONMENUITEM_STATS
call AddMonMenuItem
ld a, MONMENUITEM_SWITCH
call AddMonMenuItem
ld a, MONMENUITEM_MOVE
call AddMonMenuItem
ld a, [wLinkMode]
and a
jr nz, .skip2
push hl
ld a, MON_ITEM
call GetPartyParamLocation
ld d, [hl]
farcall ItemIsMail
pop hl
ld a, MONMENUITEM_MAIL
jr c, .ok
ld a, MONMENUITEM_ITEM
.ok
call AddMonMenuItem
.skip2
ld a, [wMonSubmenuCount]
cp NUM_MONMENU_ITEMS
jr z, .ok2
ld a, MONMENUITEM_CANCEL
call AddMonMenuItem
.ok2
call TerminateMonSubmenu
ret
.egg
ld a, MONMENUITEM_STATS
call AddMonMenuItem
ld a, MONMENUITEM_SWITCH
call AddMonMenuItem
ld a, MONMENUITEM_CANCEL
call AddMonMenuItem
call TerminateMonSubmenu
ret
IsFieldMove:
ld b, a
ld hl, MonMenuOptions
.next
ld a, [hli]
cp -1
jr z, .nope
cp MONMENU_MENUOPTION
jr z, .nope
ld d, [hl]
inc hl
ld a, [hli]
cp b
jr nz, .next
ld a, d
scf
.nope
ret
ResetMonSubmenu:
xor a
ld [wMonSubmenuCount], a
ld hl, wMonSubmenuItems
ld bc, NUM_MONMENU_ITEMS + 1
call ByteFill
ret
TerminateMonSubmenu:
ld a, [wMonSubmenuCount]
ld e, a
ld d, 0
ld hl, wMonSubmenuItems
add hl, de
ld [hl], -1
ret
AddMonMenuItem:
push hl
push de
push af
ld a, [wMonSubmenuCount]
ld e, a
inc a
ld [wMonSubmenuCount], a
ld d, 0
ld hl, wMonSubmenuItems
add hl, de
pop af
ld [hl], a
pop de
pop hl
ret
BattleMonMenu:
ld hl, .MenuHeader
call CopyMenuHeader
xor a
ldh [hBGMapMode], a
call MenuBox
call UpdateSprites
call PlaceVerticalMenuItems
call WaitBGMap
call CopyMenuData
ld a, [wMenuDataFlags]
bit 7, a
jr z, .set_carry
call InitVerticalMenuCursor
ld hl, w2DMenuFlags1
set 6, [hl]
call StaticMenuJoypad
ld de, SFX_READ_TEXT_2
call PlaySFX
ldh a, [hJoyPressed]
bit B_BUTTON_F, a
jr z, .clear_carry
ret z
.set_carry
scf
ret
.clear_carry
and a
ret
.MenuHeader:
db 0 ; flags
menu_coords 11, 11, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1
dw .MenuData
db 1 ; default option
.MenuData:
db STATICMENU_CURSOR | STATICMENU_NO_TOP_SPACING ; flags
db 3 ; items
db "SWITCH@"
db "STATS@"
db "CANCEL@"