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https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
940256569b
The previous name for this was rather misleading. It isn't an actual jump like you'd expect the `jp` instruction to behave as. Instead, it behaves more like a `farcall`. This also makes it consistent with its current command ID name of `TX_FAR`.
173 lines
2.3 KiB
NASM
173 lines
2.3 KiB
NASM
SelectMenu::
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call CheckRegisteredItem
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jr c, .NotRegistered
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jp UseRegisteredItem
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.NotRegistered:
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call OpenText
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ld b, BANK(ItemMayBeRegisteredText)
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ld hl, ItemMayBeRegisteredText
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call MapTextbox
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call WaitButton
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jp CloseText
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ItemMayBeRegisteredText:
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text_far UnknownText_0x1c1cf3
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db "@"
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CheckRegisteredItem:
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ld a, [wWhichRegisteredItem]
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and a
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jr z, .NoRegisteredItem
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and REGISTERED_POCKET
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rlca
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rlca
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ld hl, .Pockets
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rst JumpTable
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ret
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.Pockets:
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; entries correspond to *_POCKET constants
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dw .CheckItem
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dw .CheckBall
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dw .CheckKeyItem
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dw .CheckTMHM
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.CheckItem:
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ld hl, wNumItems
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call .CheckRegisteredNo
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jr c, .NoRegisteredItem
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inc hl
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ld e, a
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ld d, 0
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add hl, de
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add hl, de
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call .IsSameItem
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jr c, .NoRegisteredItem
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and a
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ret
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.CheckKeyItem:
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ld a, [wRegisteredItem]
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ld hl, wKeyItems
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ld de, 1
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call IsInArray
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jr nc, .NoRegisteredItem
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ld a, [wRegisteredItem]
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ld [wCurItem], a
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and a
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ret
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.CheckBall:
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ld hl, wNumBalls
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call .CheckRegisteredNo
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jr nc, .NoRegisteredItem
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inc hl
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ld e, a
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ld d, 0
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add hl, de
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add hl, de
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call .IsSameItem
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jr c, .NoRegisteredItem
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ret
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.CheckTMHM:
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jr .NoRegisteredItem
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.NoRegisteredItem:
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xor a
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ld [wWhichRegisteredItem], a
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ld [wRegisteredItem], a
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scf
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ret
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.CheckRegisteredNo:
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ld a, [wWhichRegisteredItem]
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and REGISTERED_NUMBER
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dec a
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cp [hl]
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jr nc, .NotEnoughItems
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ld [wCurItemQuantity], a
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and a
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ret
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.NotEnoughItems:
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scf
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ret
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.IsSameItem:
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ld a, [wRegisteredItem]
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cp [hl]
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jr nz, .NotSameItem
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ld [wCurItem], a
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and a
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ret
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.NotSameItem:
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scf
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ret
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UseRegisteredItem:
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farcall CheckItemMenu
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ld a, [wItemAttributeParamBuffer]
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ld hl, .SwitchTo
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rst JumpTable
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ret
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.SwitchTo:
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; entries correspond to ITEMMENU_* constants
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dw .CantUse
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dw .NoFunction
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dw .NoFunction
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dw .NoFunction
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dw .Current
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dw .Party
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dw .Overworld
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.NoFunction:
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call OpenText
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call CantUseItem
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call CloseText
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and a
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ret
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.Current:
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call OpenText
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call DoItemEffect
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call CloseText
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and a
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ret
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.Party:
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call RefreshScreen
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call FadeToMenu
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call DoItemEffect
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call CloseSubmenu
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call CloseText
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and a
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ret
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.Overworld:
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call RefreshScreen
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ld a, 1
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ld [wUsingItemWithSelect], a
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call DoItemEffect
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xor a
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ld [wUsingItemWithSelect], a
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ld a, [wItemEffectSucceeded]
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cp 1
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jr nz, ._cantuse
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scf
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ld a, HMENURETURN_SCRIPT
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ldh [hMenuReturn], a
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ret
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.CantUse:
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call RefreshScreen
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._cantuse
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call CantUseItem
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call CloseText
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and a
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ret
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