pokecrystal-board/engine/menus/game_menu.asm

138 lines
2.3 KiB
NASM
Executable File

; GameMenu.String and GameMenu.Jumptable indexes
const_def
const GAMEMENU_WORLD_MAP
const GAMEMENU_SHOP
GameMenu:
ld de, MUSIC_NONE
call PlayMusic
call DelayFrame
ld de, MUSIC_MAIN_MENU
call PlayMusic
; fallthrough
GameMenu_KeepMusic:
xor a
ldh [hMapAnims], a
call ClearTilemap
call LoadFrame
call LoadStandardFont
call ClearMenuAndWindowData
ld b, CGB_DIPLOMA
call GetCGBLayout
call SetPalettes
xor a
ld [wWhichIndexSet], a
ld hl, .MenuHeader
call LoadMenuHeader
call GameMenuJoypadLoop
call CloseWindow
jr c, .quit
call ClearTilemap
ld a, [wMenuSelection]
ld hl, .Jumptable
rst JumpTable
jr GameMenu
.quit
ret
.MenuHeader:
db MENU_BACKUP_TILES ; flags
menu_coords 0, 0, 16, 7
dw .MenuData
db 1 ; default option
.MenuData:
db STATICMENU_CURSOR ; flags
db 0 ; items
dw GameMenuItems
dw PlaceMenuStrings
dw .Strings
.Strings:
; entries correspond to GAMEMENUITEM_* constants
db "WORLD MAP@"
db "SHOP@"
.Jumptable:
; entries correspond to GAMEMENUITEM_* constants
dw GameMenu_WorldMap
dw GameMenu_Shop
GameMenuItems:
db 2
db GAMEMENU_WORLD_MAP
db GAMEMENU_SHOP
db -1
GameMenuJoypadLoop:
call SetUpMenu
.loop
ld a, [w2DMenuFlags1]
set 5, a
ld [w2DMenuFlags1], a
call GetScrollingMenuJoypad
ld a, [wMenuJoypad]
cp B_BUTTON
jr z, .b_button
cp A_BUTTON
jr z, .a_button
jr .loop
.a_button
call PlayClickSFX
and a
ret
.b_button
scf
ret
GameMenu_WorldMap:
ld a, [wSaveFileInOverworld]
and a
jr z, .not_in_overworld
ld a, MAPSETUP_CONTINUE
jr .SpawnToMap
.not_in_overworld
farcall LevelSelectionMenu
ret nc ; if pressed B, go back to Game Menu
farcall ClearSpriteAnims
call ClearSprites
ld a, PLAYER_NORMAL
ld [wPlayerState], a ; this may need to be set on a per-level basis (e.g. if specific level starts with player in surf state)
ld a, MAPSETUP_ENTERLEVEL
; jr .SpawnToMap
.SpawnToMap:
ldh [hMapEntryMethod], a
ld a, $8
ld [wMusicFade], a
ld a, LOW(MUSIC_NONE)
ld [wMusicFadeID], a
ld a, HIGH(MUSIC_NONE)
ld [wMusicFadeID + 1], a
call ClearBGPalettes
call ClearTilemap
ld c, 20
call DelayFrames
farcall JumpRoamMons
xor a
ld [wDontPlayMapMusicOnReload], a ; play map music
ld [wLinkMode], a
ld hl, wGameTimerPaused
set GAME_TIMER_COUNTING_F, [hl] ; start game timer counter
farcall OverworldLoop
; return from overworld loop
call ClearBGPalettes
call ClearSprites
ret
GameMenu_Shop:
ret