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EvolutionAnimation:
push hl
push de
push bc
ld a, [wCurSpecies]
push af
ldh a, [rOBP0]
push af
ld a, %11100100
ldh [rOBP0], a
ld de, MUSIC_NONE
call PlayMusic
callfar ClearSpriteAnims
ld de, .GFX
ld hl, vTiles0
lb bc, BANK(.GFX), 8
call Request2bpp
xor a
ld [wLowHealthAlarm], a
ld a, 1
ldh [hBGMapMode], a
call WaitBGMap
xor a
ldh [hBGMapMode], a
ld a, [wEvolutionOldSpecies]
ld [wPlayerHPPal], a
ld c, FALSE
call .GetSGBLayout
ld a, [wEvolutionNewSpecies]
ld [wCurPartySpecies], a
ld [wCurSpecies], a
call .PlaceFrontpic
ld de, vTiles2
ld hl, vTiles2 tile $31
ld bc, 7 * 7
call Request2bpp
ld a, [wEvolutionOldSpecies]
ld [wCurPartySpecies], a
ld [wCurSpecies], a
call .PlaceFrontpic
ld a, 1
ldh [hBGMapMode], a
ld a, [wEvolutionOldSpecies]
call PlayMonCry
ld de, MUSIC_EVOLUTION
call PlayMusic
ld c, 80
call DelayFrames
ld c, TRUE
call .GetSGBLayout
.AnimationSequence:
call ClearJoypad
lb bc, 1, 16 ; flash b times, wait c frames in between
.loop
push bc
call .WaitFrames_CheckPressedB
jr c, .cancel_evo
call .Flash
pop bc
inc b
dec c
dec c
jr nz, .loop
xor a
ld [wEvolutionCanceled], a
ld a, 7 * 7
ld [wEvolutionPicOffset], a
call .ReplaceFrontpic
ld a, [wEvolutionNewSpecies]
.return
ld [wPlayerHPPal], a
ld c, FALSE
call .GetSGBLayout
call .PlayEvolvedSFX
callfar ClearSpriteAnims
ld a, [wPlayerHPPal]
call PlayMonCry
pop af
ldh [rOBP0], a
pop af
ld [wCurSpecies], a
pop bc
pop de
pop hl
ld a, [wEvolutionCanceled]
and a
ret z
scf
ret
.cancel_evo
pop bc
ld a, TRUE
ld [wEvolutionCanceled], a
ld a, [wEvolutionOldSpecies]
jr .return
.GetSGBLayout:
ld b, SCGB_EVOLUTION
jp GetSGBLayout
.PlaceFrontpic:
call GetBaseData
hlcoord 7, 2
jp PrepMonFrontpic
.Flash:
ld a, 7 * 7 ; previous stage
ld [wEvolutionPicOffset], a
call .ReplaceFrontpic
ld a, -7 * 7 ; new stage
ld [wEvolutionPicOffset], a
call .ReplaceFrontpic
dec b
jr nz, .Flash
ret
.ReplaceFrontpic:
push bc
xor a
ldh [hBGMapMode], a
hlcoord 7, 2
lb bc, 7, 7
ld de, SCREEN_WIDTH - 7
.loop1
push bc
.loop2
ld a, [wEvolutionPicOffset]
add [hl]
ld [hli], a
dec c
jr nz, .loop2
pop bc
add hl, de
dec b
jr nz, .loop1
ld a, $1
ldh [hBGMapMode], a
call WaitBGMap
pop bc
ret
.WaitFrames_CheckPressedB:
call DelayFrame
push bc
call JoyTextDelay
ldh a, [hJoyDown]
pop bc
and B_BUTTON
jr nz, .pressed_b
.loop3
dec c
jr nz, .WaitFrames_CheckPressedB
and a
ret
.pressed_b
ld a, [wForceEvolution]
and a
jr nz, .loop3
scf
ret
.PlayEvolvedSFX:
ld a, [wEvolutionCanceled]
and a
ret nz
ld de, SFX_EVOLVED
call PlaySFX
ld hl, wJumptableIndex
ld a, [hl]
push af
ld [hl], $0
.loop4
call .balls_of_light
jr nc, .done
call .AnimateBallsOfLight
jr .loop4
.done
ld c, 32
.loop5
call .AnimateBallsOfLight
dec c
jr nz, .loop5
pop af
ld [wJumptableIndex], a
ret
.balls_of_light
ld hl, wJumptableIndex
ld a, [hl]
cp 32
ret nc
ld d, a
inc [hl]
and $1
jr nz, .done_balls
ld e, $0
call .GenerateBallOfLight
ld e, $10
call .GenerateBallOfLight
.done_balls
scf
ret
.GenerateBallOfLight:
push de
depixel 9, 11
ld a, SPRITE_ANIM_INDEX_EVOLUTION_BALL_OF_LIGHT
call InitSpriteAnimStruct
ld hl, SPRITEANIMSTRUCT_JUMPTABLE_INDEX
add hl, bc
ld a, [wJumptableIndex]
and %1110
sla a
pop de
add e
ld [hl], a
ld hl, SPRITEANIMSTRUCT_TILE_ID
add hl, bc
ld [hl], $0
ld hl, SPRITEANIMSTRUCT_0C
add hl, bc
ld [hl], $10
ret
.AnimateBallsOfLight:
push bc
callfar PlaySpriteAnimations
; a = (([hVBlankCounter] + 4) / 2) % NUM_PALETTES
ldh a, [hVBlankCounter]
and %1110
srl a
inc a
inc a
and $7
ld b, a
ld hl, wVirtualOAMSprite00Attributes
ld c, NUM_SPRITE_OAM_STRUCTS
.loop6
ld a, [hl]
or b
ld [hli], a ; attributes
rept SPRITEOAMSTRUCT_LENGTH - 1
inc hl
endr
dec c
jr nz, .loop6
pop bc
call DelayFrame
ret
.GFX:
INCBIN "gfx/evo/bubble_large.2bpp"
INCBIN "gfx/evo/bubble.2bpp"
|
