Add subdirectories to engine/ similar to pokecrystal

engine/events/vending_machine.asm

@@ -0,0 +1,133 @@
+VendingMachineMenu::
+	ld hl, VendingMachineText1
+	call PrintText
+	ld a, MONEY_BOX
+	ld [wTextBoxID], a
+	call DisplayTextBoxID
+	xor a
+	ld [wCurrentMenuItem], a
+	ld [wLastMenuItem], a
+	ld a, A_BUTTON | B_BUTTON
+	ld [wMenuWatchedKeys], a
+	ld a, 3
+	ld [wMaxMenuItem], a
+	ld a, 5
+	ld [wTopMenuItemY], a
+	ld a, 1
+	ld [wTopMenuItemX], a
+	ld hl, wd730
+	set 6, [hl]
+	coord hl, 0, 3
+	ld b, 8
+	ld c, 12
+	call TextBoxBorder
+	call UpdateSprites
+	coord hl, 2, 5
+	ld de, DrinkText
+	call PlaceString
+	coord hl, 9, 6
+	ld de, DrinkPriceText
+	call PlaceString
+	ld hl, wd730
+	res 6, [hl]
+	call HandleMenuInput
+	bit 1, a ; pressed B?
+	jr nz, .notThirsty
+	ld a, [wCurrentMenuItem]
+	cp 3 ; chose Cancel?
+	jr z, .notThirsty
+	xor a
+	ld [hMoney], a
+	ld [hMoney + 2], a
+	ld a, $2
+	ld [hMoney + 1], a
+	call HasEnoughMoney
+	jr nc, .enoughMoney
+	ld hl, VendingMachineText4
+	jp PrintText
+.enoughMoney
+	call LoadVendingMachineItem
+	ld a, [hVendingMachineItem]
+	ld b, a
+	ld c, 1
+	call GiveItem
+	jr nc, .BagFull
+
+	ld b, 60 ; number of times to play the "brrrrr" sound
+.playDeliverySound
+	ld c, 2
+	call DelayFrames
+	push bc
+	ld a, SFX_PUSH_BOULDER
+	call PlaySound
+	pop bc
+	dec b
+	jr nz, .playDeliverySound
+
+	ld hl, VendingMachineText5
+	call PrintText
+	ld hl, hVendingMachinePrice + 2
+	ld de, wPlayerMoney + 2
+	ld c, $3
+	predef SubBCDPredef
+	ld a, MONEY_BOX
+	ld [wTextBoxID], a
+	jp DisplayTextBoxID
+.BagFull
+	ld hl, VendingMachineText6
+	jp PrintText
+.notThirsty
+	ld hl, VendingMachineText7
+	jp PrintText
+
+VendingMachineText1:
+	TX_FAR _VendingMachineText1
+	db "@"
+
+DrinkText:
+	db   "FRESH WATER"
+	next "SODA POP"
+	next "LEMONADE"
+	next "CANCEL@"
+
+DrinkPriceText:
+	db   "¥200"
+	next "¥300"
+	next "¥350"
+	next "@"
+
+VendingMachineText4:
+	TX_FAR _VendingMachineText4
+	db "@"
+
+VendingMachineText5:
+	TX_FAR _VendingMachineText5
+	db "@"
+
+VendingMachineText6:
+	TX_FAR _VendingMachineText6
+	db "@"
+
+VendingMachineText7:
+	TX_FAR _VendingMachineText7
+	db "@"
+
+LoadVendingMachineItem:
+	ld hl, VendingPrices
+	ld a, [wCurrentMenuItem]
+	add a
+	add a
+	ld d, 0
+	ld e, a
+	add hl, de
+	ld a, [hli]
+	ld [hVendingMachineItem], a
+	ld a, [hli]
+	ld [hVendingMachinePrice], a
+	ld a, [hli]
+	ld [hVendingMachinePrice + 1], a
+	ld a, [hl]
+	ld [hVendingMachinePrice + 2], a
+	ret
+
+INCLUDE "data/vending_prices.asm"