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|
SelectMenu::
call CheckRegisteredItem
jr c, .NotRegistered
jp UseRegisteredItem
.NotRegistered:
call OpenText
ld b, BANK(MayRegisterItemText)
ld hl, MayRegisterItemText
call MapTextbox
call WaitButton
jp CloseText
MayRegisterItemText:
text_far _MayRegisterItemText
text_end
CheckRegisteredItem:
ld a, [wWhichRegisteredItem]
and a
jr z, .NoRegisteredItem
and REGISTERED_POCKET
rlca
rlca
ld hl, .Pockets
rst JumpTable
ret
.Pockets:
; entries correspond to *_POCKET constants
dw .CheckItem
dw .CheckBall
dw .CheckKeyItem
dw .CheckTMHM
.CheckItem:
ld hl, wNumItems
call .CheckRegisteredNo
jr c, .NoRegisteredItem
inc hl
ld e, a
ld d, 0
add hl, de
add hl, de
call .IsSameItem
jr c, .NoRegisteredItem
and a
ret
.CheckKeyItem:
ld a, [wRegisteredItem]
ld hl, wKeyItems
ld de, 1
call IsInArray
jr nc, .NoRegisteredItem
ld a, [wRegisteredItem]
ld [wCurItem], a
and a
ret
.CheckBall:
ld hl, wNumBalls
call .CheckRegisteredNo
jr nc, .NoRegisteredItem
inc hl
ld e, a
ld d, 0
add hl, de
add hl, de
call .IsSameItem
jr c, .NoRegisteredItem
ret
.CheckTMHM:
jr .NoRegisteredItem
.NoRegisteredItem:
xor a
ld [wWhichRegisteredItem], a
ld [wRegisteredItem], a
scf
ret
.CheckRegisteredNo:
ld a, [wWhichRegisteredItem]
and REGISTERED_NUMBER
dec a
cp [hl]
jr nc, .NotEnoughItems
ld [wCurItemQuantity], a
and a
ret
.NotEnoughItems:
scf
ret
.IsSameItem:
ld a, [wRegisteredItem]
cp [hl]
jr nz, .NotSameItem
ld [wCurItem], a
and a
ret
.NotSameItem:
scf
ret
UseRegisteredItem:
farcall CheckItemMenu
ld a, [wItemAttributeValue]
ld hl, .SwitchTo
rst JumpTable
ret
.SwitchTo:
; entries correspond to ITEMMENU_* constants
dw .CantUse
dw .NoFunction
dw .NoFunction
dw .NoFunction
dw .Current
dw .Party
dw .Overworld
.NoFunction:
call OpenText
call CantUseItem
call CloseText
and a
ret
.Current:
call OpenText
call DoItemEffect
call CloseText
and a
ret
.Party:
call RefreshScreen
call FadeToMenu
call DoItemEffect
call CloseSubmenu
call CloseText
and a
ret
.Overworld:
call RefreshScreen
ld a, 1
ld [wUsingItemWithSelect], a
call DoItemEffect
xor a
ld [wUsingItemWithSelect], a
ld a, [wItemEffectSucceeded]
cp 1
jr nz, ._cantuse
scf
ld a, HMENURETURN_SCRIPT
ldh [hMenuReturn], a
ret
.CantUse:
call RefreshScreen
._cantuse
call CantUseItem
call CloseText
and a
ret
|
