shithub: pokered

ref: a30bbae4b5b6433941b7011b82e4aee1ae6916e1
dir: /engine/menu/draw_start_menu.asm/

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; function that displays the start menu
DrawStartMenu:
	CheckEvent EVENT_GOT_POKEDEX
; menu with pokedex
	coord hl, 10, 0
	ld b,$0e
	ld c,$08
	jr nz,.drawTextBoxBorder
; shorter menu if the player doesn't have the pokedex
	coord hl, 10, 0
	ld b,$0c
	ld c,$08
.drawTextBoxBorder
	call TextBoxBorder
	ld a,D_DOWN | D_UP | START | B_BUTTON | A_BUTTON
	ld [wMenuWatchedKeys],a
	ld a,$02
	ld [wTopMenuItemY],a ; Y position of first menu choice
	ld a,$0b
	ld [wTopMenuItemX],a ; X position of first menu choice
	ld a,[wBattleAndStartSavedMenuItem] ; remembered menu selection from last time
	ld [wCurrentMenuItem],a
	ld [wLastMenuItem],a
	xor a
	ld [wMenuWatchMovingOutOfBounds],a
	ld hl,wd730
	set 6,[hl] ; no pauses between printing each letter
	coord hl, 12, 2
	CheckEvent EVENT_GOT_POKEDEX
; case for not having pokdex
	ld a,$06
	jr z,.storeMenuItemCount
; case for having pokedex
	ld de,StartMenuPokedexText
	call PrintStartMenuItem
	ld a,$07
.storeMenuItemCount
	ld [wMaxMenuItem],a ; number of menu items
	ld de,StartMenuPokemonText
	call PrintStartMenuItem
	ld de,StartMenuItemText
	call PrintStartMenuItem
	ld de,wPlayerName ; player's name
	call PrintStartMenuItem
	ld a,[wd72e]
	bit 6,a ; is the player using the link feature?
; case for not using link feature
	ld de,StartMenuSaveText
	jr z,.printSaveOrResetText
; case for using link feature
	ld de,StartMenuResetText
.printSaveOrResetText
	call PrintStartMenuItem
	ld de,StartMenuOptionText
	call PrintStartMenuItem
	ld de,StartMenuExitText
	call PlaceString
	ld hl,wd730
	res 6,[hl] ; turn pauses between printing letters back on
	ret

StartMenuPokedexText:
	db "POKéDEX@"

StartMenuPokemonText:
	db "POKéMON@"

StartMenuItemText:
	db "ITEM@"

StartMenuSaveText:
	db "SAVE@"

StartMenuResetText:
	db "RESET@"

StartMenuExitText:
	db "EXIT@"

StartMenuOptionText:
	db "OPTION@"

PrintStartMenuItem:
	push hl
	call PlaceString
	pop hl
	ld de,SCREEN_WIDTH * 2
	add hl,de
	ret