pokecrystal-board/engine/gfx/pic_animation.asm
mid-kid 5f60cc24cf Fix some constants
Glass ting SFX were added in crystal.
PicAnimations and UnownAnimations are expected to be in the same bank as
their pointers, because the pointers are not BANK()-referenced
separately.
2019-01-15 13:06:16 +01:00

1081 lines
16 KiB
NASM

; Pic animation arrangement.
Unused_AnimateMon_Slow_Normal:
hlcoord 12, 0
ld a, [wBattleMode]
cp WILD_BATTLE
jr z, .wild
ld e, ANIM_MON_SLOW
ld d, $0
call AnimateFrontpic
ret
.wild
ld e, ANIM_MON_NORMAL
ld d, $0
call AnimateFrontpic
ret
AnimateMon_Menu:
ld e, ANIM_MON_MENU
ld d, $0
call AnimateFrontpic
ret
AnimateMon_Trade:
ld e, ANIM_MON_TRADE
ld d, $0
call AnimateFrontpic
ret
AnimateMon_Evolve:
ld e, ANIM_MON_EVOLVE
ld d, $0
call AnimateFrontpic
ret
AnimateMon_Hatch:
ld e, ANIM_MON_HATCH
ld d, $0
call AnimateFrontpic
ret
AnimateMon_HOF:
ld e, ANIM_MON_HOF
ld d, $0
call AnimateFrontpic
ret
pokeanim: MACRO
rept _NARG
; Workaround for a bug where macro args can't come after the start of a symbol
if !DEF(\1_POKEANIM)
\1_POKEANIM EQUS "PokeAnim_\1_"
endc
db (\1_POKEANIM - PokeAnim_SetupCommands) / 2
shift
endr
db (PokeAnim_Finish_ - PokeAnim_SetupCommands) / 2
ENDM
PokeAnims:
; entries correspond to ANIM_MON_* constants
dw .Slow
dw .Normal
dw .Menu
dw .Trade
dw .Evolve
dw .Hatch
dw .HOF
dw .Egg1
dw .Egg2
.Slow: pokeanim StereoCry, Setup2, Play
.Normal: pokeanim StereoCry, Setup, Play
.Menu: pokeanim CryNoWait, Setup, Play, SetWait, Wait, Idle, Play
.Trade: pokeanim Idle, Play2, Idle, Play, SetWait, Wait, Cry, Setup, Play
.Evolve: pokeanim Idle, Play, SetWait, Wait, CryNoWait, Setup, Play
.Hatch: pokeanim Idle, Play, CryNoWait, Setup, Play, SetWait, Wait, Idle, Play
.HOF: pokeanim CryNoWait, Setup, Play, SetWait, Wait, Idle, Play
.Egg1: pokeanim Setup, Play
.Egg2: pokeanim Idle, Play
AnimateFrontpic:
call AnimateMon_CheckIfPokemon
ret c
call LoadMonAnimation
.loop
call SetUpPokeAnim
push af
farcall HDMATransferTileMapToWRAMBank3
pop af
jr nc, .loop
ret
LoadMonAnimation:
push hl
ld c, e
ld b, 0
ld hl, PokeAnims
add hl, bc
add hl, bc
ld a, [hli]
ld b, [hl]
ld c, a
pop hl
call PokeAnim_InitPicAttributes
ret
SetUpPokeAnim:
ldh a, [rSVBK]
push af
ld a, BANK(wPokeAnimStruct)
ldh [rSVBK], a
ld a, [wPokeAnimSceneIndex]
ld c, a
ld b, 0
ld hl, wPokeAnimPointer
ld a, [hli]
ld h, [hl]
ld l, a
add hl, bc
ld a, [hl]
ld hl, PokeAnim_SetupCommands
rst JumpTable
ld a, [wPokeAnimSceneIndex]
ld c, a
pop af
ldh [rSVBK], a
ld a, c
and $80
ret z
scf
ret
PokeAnim_SetupCommands:
setup_command: MACRO
\1_: dw \1
ENDM
setup_command PokeAnim_Finish
setup_command PokeAnim_BasePic
setup_command PokeAnim_SetWait
setup_command PokeAnim_Wait
setup_command PokeAnim_Setup
setup_command PokeAnim_Setup2
setup_command PokeAnim_Idle
setup_command PokeAnim_Play
setup_command PokeAnim_Play2
setup_command PokeAnim_Cry
setup_command PokeAnim_CryNoWait
setup_command PokeAnim_StereoCry
PokeAnim_SetWait:
ld a, 18
ld [wPokeAnimWaitCounter], a
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
PokeAnim_Wait:
ld hl, wPokeAnimWaitCounter
dec [hl]
ret nz
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Setup:
ld c, FALSE
ld b, 0
call PokeAnim_InitAnim
call PokeAnim_SetVBank1
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Setup2:
ld c, FALSE
ld b, 4
call PokeAnim_InitAnim
call PokeAnim_SetVBank1
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Idle:
ld c, TRUE
ld b, 0
call PokeAnim_InitAnim
call PokeAnim_SetVBank1
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Play:
call PokeAnim_DoAnimScript
ld a, [wPokeAnimJumptableIndex]
bit 7, a
ret z
call PokeAnim_PlaceGraphic
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Play2:
call PokeAnim_DoAnimScript
ld a, [wPokeAnimJumptableIndex]
bit 7, a
ret z
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_BasePic:
call PokeAnim_DeinitFrames
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_Finish:
call PokeAnim_DeinitFrames
ld hl, wPokeAnimSceneIndex
set 7, [hl]
ret
PokeAnim_Cry:
ld a, [wPokeAnimSpecies]
call _PlayMonCry
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_CryNoWait:
ld a, [wPokeAnimSpecies]
call PlayMonCry2
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_StereoCry:
ld a, $f
ld [wCryTracks], a
ld a, [wPokeAnimSpecies]
call PlayStereoCry2
ld a, [wPokeAnimSceneIndex]
inc a
ld [wPokeAnimSceneIndex], a
ret
PokeAnim_DeinitFrames:
ldh a, [rSVBK]
push af
ld a, BANK(wPokeAnimCoord)
ldh [rSVBK], a
call PokeAnim_PlaceGraphic
farcall HDMATransferTileMapToWRAMBank3
call PokeAnim_SetVBank0
farcall HDMATransferAttrMapToWRAMBank3
pop af
ldh [rSVBK], a
ret
AnimateMon_CheckIfPokemon:
ld a, [wCurPartySpecies]
cp EGG
jr z, .fail
call IsAPokemon
jr c, .fail
and a
ret
.fail
scf
ret
PokeAnim_InitPicAttributes:
ldh a, [rSVBK]
push af
ld a, BANK(wPokeAnimStruct)
ldh [rSVBK], a
push bc
push de
push hl
ld hl, wPokeAnimStruct
ld bc, wPokeAnimStructEnd - wPokeAnimStruct
xor a
call ByteFill
pop hl
pop de
pop bc
; bc contains anim pointer
ld a, c
ld [wPokeAnimPointer], a
ld a, b
ld [wPokeAnimPointer + 1], a
; hl contains tilemap coords
ld a, l
ld [wPokeAnimCoord], a
ld a, h
ld [wPokeAnimCoord + 1], a
; d = start tile
ld a, d
ld [wPokeAnimGraphicStartTile], a
ld a, BANK(wCurPartySpecies)
ld hl, wCurPartySpecies
call GetFarWRAMByte
ld [wPokeAnimSpecies], a
ld a, BANK(wUnownLetter)
ld hl, wUnownLetter
call GetFarWRAMByte
ld [wPokeAnimUnownLetter], a
call PokeAnim_GetSpeciesOrUnown
ld [wPokeAnimSpeciesOrUnown], a
call PokeAnim_GetFrontpicDims
ld a, c
ld [wPokeAnimFrontpicHeight], a
pop af
ldh [rSVBK], a
ret
PokeAnim_InitAnim:
ldh a, [rSVBK]
push af
ld a, BANK(wPokeAnimIdleFlag)
ldh [rSVBK], a
push bc
ld hl, wPokeAnimIdleFlag
ld bc, wPokeAnimStructEnd - wPokeAnimIdleFlag
xor a
call ByteFill
pop bc
ld a, b
ld [wPokeAnimSpeed], a
ld a, c
ld [wPokeAnimIdleFlag], a
call GetMonAnimPointer
call GetMonFramesPointer
call GetMonBitmaskPointer
pop af
ldh [rSVBK], a
ret
PokeAnim_DoAnimScript:
xor a
ldh [hBGMapMode], a
.loop
ld a, [wPokeAnimJumptableIndex]
and $7f
ld hl, .Jumptable
rst JumpTable
ret
.Jumptable:
dw .RunAnim
dw .WaitAnim
.RunAnim:
call PokeAnim_GetPointer
ld a, [wPokeAnimCommand]
cp endanim_command
jr z, PokeAnim_End
cp setrepeat_command
jr z, .SetRepeat
cp dorepeat_command
jr z, .DoRepeat
call PokeAnim_GetFrame
ld a, [wPokeAnimParameter]
call PokeAnim_GetDuration
ld [wPokeAnimWaitCounter], a
call PokeAnim_StartWaitAnim
.WaitAnim:
ld a, [wPokeAnimWaitCounter]
dec a
ld [wPokeAnimWaitCounter], a
ret nz
call PokeAnim_StopWaitAnim
ret
.SetRepeat:
ld a, [wPokeAnimParameter]
ld [wPokeAnimRepeatTimer], a
jr .loop
.DoRepeat:
ld a, [wPokeAnimRepeatTimer]
and a
ret z
dec a
ld [wPokeAnimRepeatTimer], a
ret z
ld a, [wPokeAnimParameter]
ld [wPokeAnimFrame], a
jr .loop
PokeAnim_End:
ld hl, wPokeAnimJumptableIndex
set 7, [hl]
ret
PokeAnim_GetDuration:
; a * (1 + [wPokeAnimSpeed] / 16)
ld c, a
ld b, $0
ld hl, 0
ld a, [wPokeAnimSpeed]
call AddNTimes
ld a, h
swap a
and $f0
ld h, a
ld a, l
swap a
and $f
or h
add c
ret
PokeAnim_GetFrame:
call PokeAnim_PlaceGraphic
ld a, [wPokeAnimCommand]
and a
ret z
call PokeAnim_GetBitmaskIndex
push hl
call PokeAnim_CopyBitmaskToBuffer
pop hl
call PokeAnim_ConvertAndApplyBitmask
ret
PokeAnim_StartWaitAnim:
ld a, [wPokeAnimJumptableIndex]
inc a
ld [wPokeAnimJumptableIndex], a
ret
PokeAnim_StopWaitAnim:
ld a, [wPokeAnimJumptableIndex]
dec a
ld [wPokeAnimJumptableIndex], a
ret
PokeAnim_IsUnown:
ld a, [wPokeAnimSpecies]
cp UNOWN
ret
PokeAnim_IsEgg:
ld a, [wPokeAnimSpecies]
cp EGG
ret
PokeAnim_GetPointer:
push hl
ld a, [wPokeAnimFrame]
ld e, a
ld d, $0
ld hl, wPokeAnimPointerAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, de
add hl, de
ld a, [wPokeAnimPointerBank]
call GetFarHalfword
ld a, l
ld [wPokeAnimCommand], a
ld a, h
ld [wPokeAnimParameter], a
ld hl, wPokeAnimFrame
inc [hl]
pop hl
ret
PokeAnim_GetBitmaskIndex:
ld a, [wPokeAnimCommand]
dec a
ld c, a
ld b, $0
ld hl, wPokeAnimFramesAddr
ld a, [hli]
ld h, [hl]
ld l, a
add hl, bc
add hl, bc
ld a, [wPokeAnimFramesBank]
call GetFarHalfword
ld a, [wPokeAnimFramesBank]
call GetFarByte
ld [wPokeAnimCurBitmask], a
inc hl
ret
PokeAnim_CopyBitmaskToBuffer:
call .GetSize
push bc
ld hl, wPokeAnimBitmaskAddr
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wPokeAnimCurBitmask]
call AddNTimes
pop bc
ld de, wPokeAnimBitmaskBuffer
ld a, [wPokeAnimBitmaskBank]
call FarCopyBytes
ret
.GetSize:
push hl
ld a, [wPokeAnimFrontpicHeight]
sub 5 ; to get a number 0, 1, or 2
ld c, a
ld b, 0
ld hl, .Sizes
add hl, bc
ld c, [hl]
ld b, 0
pop hl
ret
.Sizes: db 4, 5, 7
poke_anim_box: MACRO
y = 7
rept \1
x = 7 + -\1
rept \1
db x + y
x = x + 1
endr
y = y + 7
endr
ENDM
PokeAnim_ConvertAndApplyBitmask:
xor a
ld [wPokeAnimBitmaskCurBit], a
ld [wPokeAnimBitmaskCurRow], a
ld [wPokeAnimBitmaskCurCol], a
.loop
push hl
call .IsCurBitSet
pop hl
ld a, b
and a
jr z, .next
ld a, [wPokeAnimFramesBank]
call GetFarByte
inc hl
push hl
call .ApplyFrame
pop hl
.next
push hl
call .NextBit
pop hl
jr nc, .loop
ret
.IsCurBitSet:
; which byte
ld a, [wPokeAnimBitmaskCurBit]
and $f8
rrca
rrca
rrca
ld e, a
ld d, 0
ld hl, wPokeAnimBitmaskBuffer
add hl, de
ld b, [hl]
; which bit
ld a, [wPokeAnimBitmaskCurBit]
and $7
jr z, .skip
ld c, a
ld a, b
.loop2
rrca
dec c
jr nz, .loop2
ld b, a
.skip
xor a
bit 0, b
jr z, .finish
ld a, 1
.finish
ld b, a
ld hl, wPokeAnimBitmaskCurBit
inc [hl]
ret
.ApplyFrame:
push af
call .GetCoord
pop af
push hl
call .GetTilemap
ld hl, wPokeAnimGraphicStartTile
add [hl]
pop hl
ld [hl], a
ret
.GetCoord:
call .GetStartCoord
ld a, [wPokeAnimBitmaskCurRow]
ld bc, SCREEN_WIDTH
call AddNTimes
ld a, [wBoxAlignment]
and a
jr nz, .go
ld a, [wPokeAnimBitmaskCurCol]
ld e, a
ld d, 0
add hl, de
jr .skip2
.go
ld a, [wPokeAnimBitmaskCurCol]
ld e, a
ld a, l
sub e
ld l, a
ld a, h
sbc 0
ld h, a
.skip2
ret
; unused
db 6, 5, 4
.GetTilemap:
push af
ld a, [wPokeAnimFrontpicHeight]
cp 5
jr z, .check_add_24
cp 6
jr z, .check_add_13
pop af
ret
.check_add_24
pop af
cp 5 * 5
jr nc, .add_24
push hl
push de
ld hl, ._5by5
ld e, a
ld d, 0
add hl, de
ld a, [hl]
pop de
pop hl
ret
.add_24
add 24
ret
.check_add_13
pop af
cp 6 * 6
jr nc, .add_13
push hl
push de
ld hl, ._6by6
ld e, a
ld d, 0
add hl, de
ld a, [hl]
pop de
pop hl
ret
.add_13
add 13
ret
._5by5:
poke_anim_box 5
; db 9, 10, 11, 12, 13
; db 16, 17, 18, 19, 20
; db 23, 24, 25, 26, 27
; db 30, 31, 32, 33, 34
; db 37, 38, 39, 40, 41
._6by6:
poke_anim_box 6
; db 8, 9, 10, 11, 12, 13
; db 15, 16, 17, 18, 19, 20
; db 22, 23, 24, 25, 26, 27
; db 29, 30, 31, 32, 33, 34
; db 36, 37, 38, 39, 40, 41
; db 43, 44, 45, 46, 47, 48
.GetStartCoord:
ld hl, wPokeAnimCoord
ld a, [hli]
ld h, [hl]
ld l, a
ld a, [wPokeAnimFrontpicHeight]
ld de, 0
ld bc, 6
cp 7
jr z, .okay
ld de, SCREEN_WIDTH + 1
ld bc, SCREEN_WIDTH + 5
cp 6
jr z, .okay
ld de, 2 * SCREEN_WIDTH + 1
ld bc, 2 * SCREEN_WIDTH + 5
.okay
ld a, [wBoxAlignment]
and a
jr nz, .add_bc
add hl, de
ret
.add_bc
add hl, bc
ret
.NextBit:
ld a, [wPokeAnimBitmaskCurRow]
inc a
ld [wPokeAnimBitmaskCurRow], a
ld c, a
ld a, [wPokeAnimFrontpicHeight]
cp c
jr nz, .no_carry
xor a
ld [wPokeAnimBitmaskCurRow], a
ld a, [wPokeAnimBitmaskCurCol]
inc a
ld [wPokeAnimBitmaskCurCol], a
ld c, a
ld a, [wPokeAnimFrontpicHeight]
cp c
jr nz, .no_carry
scf
ret
.no_carry
xor a
ret
PokeAnim_PlaceGraphic:
call .ClearBox
ld a, [wBoxAlignment]
and a
jr nz, .flipped
ld de, 1
ld bc, 0
jr .okay
.flipped
ld de, -1
ld bc, 6
.okay
ld hl, wPokeAnimCoord
ld a, [hli]
ld h, [hl]
ld l, a
add hl, bc
ld c, 7
ld b, 7
ld a, [wPokeAnimGraphicStartTile]
.loop
push bc
push hl
push de
ld de, SCREEN_WIDTH
.loop2
ld [hl], a
inc a
add hl, de
dec b
jr nz, .loop2
pop de
pop hl
add hl, de
pop bc
dec c
jr nz, .loop
ret
.ClearBox:
ld hl, wPokeAnimCoord
ld a, [hli]
ld h, [hl]
ld l, a
ld b, 7
ld c, 7
call ClearBox
ret
PokeAnim_SetVBank1:
ldh a, [rSVBK]
push af
ld a, BANK(wPokeAnimCoord)
ldh [rSVBK], a
xor a
ldh [hBGMapMode], a
call .SetFlag
farcall HDMATransferAttrMapToWRAMBank3
pop af
ldh [rSVBK], a
ret
.SetFlag:
call PokeAnim_GetAttrMapCoord
ld b, 7
ld c, 7
ld de, SCREEN_WIDTH
.row
push bc
push hl
.col
ld a, [hl]
or 8
ld [hl], a
add hl, de
dec c
jr nz, .col
pop hl
inc hl
pop bc
dec b
jr nz, .row
ret
PokeAnim_SetVBank0:
call PokeAnim_GetAttrMapCoord
ld b, 7
ld c, 7
ld de, SCREEN_WIDTH
.row
push bc
push hl
.col
ld a, [hl]
and $f7
ld [hl], a
add hl, de
dec c
jr nz, .col
pop hl
inc hl
pop bc
dec b
jr nz, .row
ret
PokeAnim_GetAttrMapCoord:
ld hl, wPokeAnimCoord
ld a, [hli]
ld h, [hl]
ld l, a
ld de, wAttrMap - wTileMap
add hl, de
ret
GetMonAnimPointer:
call PokeAnim_IsEgg
jr z, .egg
ld c, BANK(UnownAnimationPointers) ; aka BANK(UnownAnimationIdlePointers)
ld hl, UnownAnimationPointers
ld de, UnownAnimationIdlePointers
call PokeAnim_IsUnown
jr z, .unown
ld c, BANK(AnimationPointers) ; aka BANK(AnimationIdlePointers)
ld hl, AnimationPointers
ld de, AnimationIdlePointers
.unown
ld a, [wPokeAnimIdleFlag]
and a
jr z, .idles
ld h, d
ld l, e
.idles
ld a, [wPokeAnimSpeciesOrUnown]
dec a
ld e, a
ld d, 0
add hl, de
add hl, de
ld a, c
ld [wPokeAnimPointerBank], a
call GetFarHalfword
ld a, l
ld [wPokeAnimPointerAddr], a
ld a, h
ld [wPokeAnimPointerAddr + 1], a
ret
.egg
ld hl, EggAnimation
ld c, BANK(EggAnimation)
ld a, [wPokeAnimIdleFlag]
and a
jr z, .idles_egg
ld hl, EggAnimationIdle
ld c, BANK(EggAnimationIdle)
.idles_egg
ld a, c
ld [wPokeAnimPointerBank], a
ld a, l
ld [wPokeAnimPointerAddr], a
ld a, h
ld [wPokeAnimPointerAddr + 1], a
ret
PokeAnim_GetFrontpicDims:
ldh a, [rSVBK]
push af
ld a, BANK(wCurPartySpecies)
ldh [rSVBK], a
ld a, [wCurPartySpecies]
ld [wCurSpecies], a
call GetBaseData
ld a, [wBasePicSize]
and $f
ld c, a
pop af
ldh [rSVBK], a
ret
GetMonFramesPointer:
call PokeAnim_IsEgg
jr z, .egg
call PokeAnim_IsUnown
ld b, BANK(UnownFramesPointers)
ld c, BANK(UnownsFrames)
ld hl, UnownFramesPointers
jr z, .got_frames
ld a, [wPokeAnimSpecies]
cp JOHTO_POKEMON
ld b, BANK(FramesPointers)
ld c, BANK(KantoFrames)
ld hl, FramesPointers
jr c, .got_frames
ld c, BANK(JohtoFrames)
.got_frames
ld a, c
ld [wPokeAnimFramesBank], a
ld a, [wPokeAnimSpeciesOrUnown]
dec a
ld e, a
ld d, 0
add hl, de
add hl, de
ld a, b
call GetFarHalfword
ld a, l
ld [wPokeAnimFramesAddr], a
ld a, h
ld [wPokeAnimFramesAddr + 1], a
ret
.egg
ld hl, EggFrames
ld c, BANK(EggFrames)
ld a, c
ld [wPokeAnimFramesBank], a
ld a, l
ld [wPokeAnimFramesAddr], a
ld a, h
ld [wPokeAnimFramesAddr + 1], a
ret
GetMonBitmaskPointer:
call PokeAnim_IsEgg
jr z, .egg
call PokeAnim_IsUnown
ld a, BANK(UnownBitmasksPointers)
ld hl, UnownBitmasksPointers
jr z, .unown
ld a, BANK(BitmasksPointers)
ld hl, BitmasksPointers
.unown
ld [wPokeAnimBitmaskBank], a
ld a, [wPokeAnimSpeciesOrUnown]
dec a
ld e, a
ld d, 0
add hl, de
add hl, de
ld a, [wPokeAnimBitmaskBank]
call GetFarHalfword
ld a, l
ld [wPokeAnimBitmaskAddr], a
ld a, h
ld [wPokeAnimBitmaskAddr + 1], a
ret
.egg
ld c, BANK(EggBitmasks)
ld hl, EggBitmasks
ld a, c
ld [wPokeAnimBitmaskBank], a
ld a, l
ld [wPokeAnimBitmaskAddr], a
ld a, h
ld [wPokeAnimBitmaskAddr + 1], a
ret
PokeAnim_GetSpeciesOrUnown:
call PokeAnim_IsUnown
jr z, .unown
ld a, [wPokeAnimSpecies]
ret
.unown
ld a, [wPokeAnimUnownLetter]
ret
Unused_HOF_AnimateAlignedFrontpic:
ld a, $1
ld [wBoxAlignment], a
HOF_AnimateFrontpic:
call AnimateMon_CheckIfPokemon
jr c, .fail
ld h, d
ld l, e
push bc
push hl
ld de, vTiles2
predef GetAnimatedFrontpic
pop hl
pop bc
ld d, 0
ld e, c
call AnimateFrontpic
xor a
ld [wBoxAlignment], a
ret
.fail
xor a
ld [wBoxAlignment], a
inc a
ld [wCurPartySpecies], a
ret