mirror of https://github.com/pret/pokecrystal.git
715 lines
11 KiB
NASM
Executable File
715 lines
11 KiB
NASM
Executable File
ClearSpriteAnims: ; 8cf53
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ld hl, wSpriteAnimDict
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ld bc, wSpriteAnimsEnd - wSpriteAnimDict
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.loop
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ld [hl], $0
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inc hl
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dec bc
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ld a, c
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or b
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jr nz, .loop
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ret
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; 8cf62
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PlaySpriteAnimationsAndDelayFrame: ; 8cf62
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call PlaySpriteAnimations
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call DelayFrame
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ret
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; 8cf69
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PlaySpriteAnimations: ; 8cf69
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push hl
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push de
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push bc
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push af
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ld a, LOW(Sprites)
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ld [wCurrSpriteOAMAddr], a
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call DoNextFrameForAllSprites
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pop af
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pop bc
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pop de
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pop hl
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ret
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; 8cf7a
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DoNextFrameForAllSprites: ; 8cf7a
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ld hl, wSpriteAnimationStructs
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ld e, NUM_SPRITE_ANIM_STRUCTS
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.loop
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ld a, [hl]
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and a
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jr z, .next ; This struct is deinitialized.
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ld c, l
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ld b, h
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push hl
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push de
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call DoAnimFrame ; Uses a massive dw
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call UpdateAnimFrame
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pop de
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pop hl
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jr c, .done
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.next
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ld bc, SPRITEANIMSTRUCT_LENGTH
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add hl, bc
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dec e
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jr nz, .loop
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ld a, [wCurrSpriteOAMAddr]
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ld l, a
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ld h, HIGH(Sprites)
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.loop2 ; Clear (Sprites + [wCurrSpriteOAMAddr] --> SpritesEnd)
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ld a, l
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cp LOW(SpritesEnd)
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jr nc, .done
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xor a
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ld [hli], a
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jr .loop2
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.done
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ret
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; 8cfa8
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DoNextFrameForFirst16Sprites: ; 8cfa8 (23:4fa8)
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ld hl, wSpriteAnimationStructs
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ld e, NUM_SPRITE_ANIM_STRUCTS
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.loop
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ld a, [hl]
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and a
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jr z, .next
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ld c, l
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ld b, h
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push hl
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push de
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call DoAnimFrame ; Uses a massive dw
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call UpdateAnimFrame
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pop de
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pop hl
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jr c, .done
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.next
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ld bc, SPRITEANIMSTRUCT_LENGTH
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add hl, bc
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dec e
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jr nz, .loop
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ld a, [wCurrSpriteOAMAddr]
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ld l, a
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ld h, HIGH(Sprite17)
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.loop2 ; Clear (Sprites + [wCurrSpriteOAMAddr] --> Sprites + $40)
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ld a, l
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cp LOW(Sprite17)
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jr nc, .done
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xor a
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ld [hli], a
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jr .loop2
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.done
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ret
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InitSpriteAnimStruct:: ; 8cfd6
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; Initialize animation a at pixel x=e, y=d
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; Find if there's any room in the wSpriteAnimationStructs array, which is 10x16
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push de
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push af
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ld hl, wSpriteAnimationStructs
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ld e, NUM_SPRITE_ANIM_STRUCTS
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.loop
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ld a, [hl]
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and a
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jr z, .found
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ld bc, SPRITEANIMSTRUCT_LENGTH
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add hl, bc
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dec e
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jr nz, .loop
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; We've reached the end. There is no more room here.
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; Return carry.
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pop af
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pop de
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scf
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ret
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.found
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; Back up the structure address to bc.
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ld c, l
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ld b, h
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; Value [wSpriteAnimCount] is initially set to -1. Set it to
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; the number of objects loaded into this array.
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ld hl, wSpriteAnimCount
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inc [hl]
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ld a, [hl]
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and a
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jr nz, .initialized
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inc [hl]
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.initialized
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; Get row a of SpriteAnimSeqData, copy the pointer into de
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pop af
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ld e, a
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ld d, 0
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ld hl, SpriteAnimSeqData
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add hl, de
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add hl, de
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add hl, de
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ld e, l
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ld d, h
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; Set hl to the first field (field 0) in the current structure.
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ld hl, SPRITEANIMSTRUCT_INDEX
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add hl, bc
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; Load the index.
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ld a, [wSpriteAnimCount]
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ld [hli], a
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; Copy the table entry to the next two fields.
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ld a, [de]
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ld [hli], a
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inc de
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ld a, [de]
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ld [hli], a
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inc de
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; Look up the third field from the table in the wSpriteAnimDict array (10x2).
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; Take the value and load it in
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ld a, [de]
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call GetSpriteAnimVTile
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ld [hli], a
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pop de
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; Set hl to field 4 (X coordinate). Kinda pointless, because we're presumably already here.
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ld hl, SPRITEANIMSTRUCT_XCOORD
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add hl, bc
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; Load the original value of de into here.
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ld a, e
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ld [hli], a
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ld a, d
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ld [hli], a
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; load 0 into the next four fields
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xor a
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ld [hli], a
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ld [hli], a
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xor a
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ld [hli], a
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ld [hli], a
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; load -1 into the next field
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dec a
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ld [hli], a
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; load 0 into the last five fields
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xor a
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rept 4
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ld [hli], a
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endr
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ld [hl], a
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; back up the address of the first field to wSpriteAnimAddrBackup
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ld a, c
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ld [wSpriteAnimAddrBackup], a
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ld a, b
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ld [wSpriteAnimAddrBackup + 1], a
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ret
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; 8d036
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DeinitializeSprite: ; 8d036
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; Clear the index field of the struct in bc.
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ld hl, SPRITEANIMSTRUCT_INDEX
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add hl, bc
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ld [hl], $0
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ret
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; 8d03d
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DeinitializeAllSprites: ; 8d03d (23:503d)
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; Clear the index field of every struct in the wSpriteAnimationStructs array.
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ld hl, wSpriteAnimationStructs
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ld bc, SPRITEANIMSTRUCT_LENGTH
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ld e, NUM_SPRITE_ANIM_STRUCTS
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xor a
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.loop
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ld [hl], a
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add hl, bc
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dec e
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jr nz, .loop
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ret
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UpdateAnimFrame: ; 8d04c
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call InitSpriteAnimBuffer ; init WRAM
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call GetSpriteAnimFrame ; read from a memory array
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cp -3
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jr z, .done
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cp -4
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jr z, .delete
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call GetFrameOAMPointer
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; add byte to [wCurrAnimVTile]
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ld a, [wCurrAnimVTile]
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add [hl]
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ld [wCurrAnimVTile], a
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inc hl
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; load pointer into hl
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ld a, [hli]
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ld h, [hl]
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ld l, a
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push bc
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ld a, [wCurrSpriteOAMAddr]
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ld e, a
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ld d, HIGH(Sprites)
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ld a, [hli]
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ld c, a ; number of objects
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.loop
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; first byte: y (px)
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; [de] = [wCurrAnimYCoord] + [wCurrAnimYOffset] + [wGlobalAnimYOffset] + AddOrSubtractY([hl])
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ld a, [wCurrAnimYCoord]
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ld b, a
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ld a, [wCurrAnimYOffset]
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add b
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ld b, a
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ld a, [wGlobalAnimYOffset]
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add b
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ld b, a
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call AddOrSubtractY
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add b
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ld [de], a
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inc hl
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inc de
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; second byte: x (px)
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; [de] = [wCurrAnimXCoord] + [wCurrAnimXOffset] + [wGlobalAnimXOffset] + AddOrSubtractX([hl])
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ld a, [wCurrAnimXCoord]
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ld b, a
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ld a, [wCurrAnimXOffset]
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add b
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ld b, a
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ld a, [wGlobalAnimXOffset]
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add b
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ld b, a
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call AddOrSubtractX
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add b
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ld [de], a
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inc hl
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inc de
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; third byte: vtile
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; [de] = [wCurrAnimVTile] + [hl]
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ld a, [wCurrAnimVTile]
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add [hl]
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ld [de], a
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inc hl
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inc de
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; fourth byte: attributes
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; [de] = GetSpriteOAMAttr([hl])
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call GetSpriteOAMAttr
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ld [de], a
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inc hl
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inc de
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ld a, e
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ld [wCurrSpriteOAMAddr], a
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cp LOW(SpritesEnd)
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jr nc, .reached_the_end
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dec c
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jr nz, .loop
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pop bc
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jr .done
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.delete
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call DeinitializeSprite
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.done
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and a
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ret
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.reached_the_end
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pop bc
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scf
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ret
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; 8d0be
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AddOrSubtractY: ; 8d0be
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push hl
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ld a, [hl]
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ld hl, wCurrSpriteAddSubFlags
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bit 6, [hl]
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jr z, .ok
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; 8 - a
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add $8
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xor $ff
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inc a
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.ok
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pop hl
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ret
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; 8d0ce
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AddOrSubtractX: ; 8d0ce
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push hl
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ld a, [hl]
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ld hl, wCurrSpriteAddSubFlags
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bit 5, [hl] ; x flip
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jr z, .ok
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; 8 - a
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add $8
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xor $ff
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inc a
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.ok
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pop hl
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ret
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; 8d0de
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GetSpriteOAMAttr: ; 8d0de
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ld a, [wCurrSpriteAddSubFlags]
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ld b, a
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ld a, [hl]
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xor b
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and $e0
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ld b, a
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ld a, [hl]
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and $1f
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or b
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ret
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; 8d0ec
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InitSpriteAnimBuffer: ; 8d0ec
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xor a
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ld [wCurrSpriteAddSubFlags], a
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ld hl, SPRITEANIMSTRUCT_TILE_ID
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add hl, bc
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ld a, [hli]
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ld [wCurrAnimVTile], a
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ld a, [hli]
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ld [wCurrAnimXCoord], a
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ld a, [hli]
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ld [wCurrAnimYCoord], a
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ld a, [hli]
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ld [wCurrAnimXOffset], a
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ld a, [hli]
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ld [wCurrAnimYOffset], a
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ret
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; 8d109
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GetSpriteAnimVTile: ; 8d109
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; a = wSpriteAnimDict[a] if a in wSpriteAnimDict else 0
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; vTiles offset
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push hl
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push bc
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ld hl, wSpriteAnimDict
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ld b, a
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ld c, NUM_SPRITE_ANIM_STRUCTS
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.loop
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ld a, [hli]
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cp b
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jr z, .ok
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inc hl
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dec c
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jr nz, .loop
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xor a
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jr .done
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.ok
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ld a, [hl]
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.done
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pop bc
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pop hl
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ret
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; 8d120
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_ReinitSpriteAnimFrame:: ; 8d120
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ld hl, SPRITEANIMSTRUCT_FRAMESET_ID
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add hl, bc
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ld [hl], a
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ld hl, SPRITEANIMSTRUCT_DURATION
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add hl, bc
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ld [hl], 0
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ld hl, SPRITEANIMSTRUCT_FRAME
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add hl, bc
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ld [hl], -1
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ret
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; 8d132
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GetSpriteAnimFrame: ; 8d132
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.loop
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ld hl, SPRITEANIMSTRUCT_DURATION
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add hl, bc
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ld a, [hl]
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and a
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jr z, .next_frame ; finished the current sequence
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dec [hl]
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call .GetPointer ; load pointer from SpriteAnimFrameData
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ld a, [hli]
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push af
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jr .okay
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.next_frame
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ld hl, SPRITEANIMSTRUCT_FRAME
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add hl, bc
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inc [hl]
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call .GetPointer ; load pointer from SpriteAnimFrameData
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ld a, [hli]
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cp dorestart_command
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jr z, .restart
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cp endanim_command
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jr z, .repeat_last
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push af
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ld a, [hl]
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push hl
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and $3f
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ld hl, SPRITEANIMSTRUCT_DURATIONOFFSET
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add hl, bc
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add [hl]
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ld hl, SPRITEANIMSTRUCT_DURATION
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add hl, bc
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ld [hl], a
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pop hl
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.okay
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ld a, [hl]
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and $c0
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srl a
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ld [wCurrSpriteAddSubFlags], a
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pop af
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ret
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.repeat_last
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xor a
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ld hl, SPRITEANIMSTRUCT_DURATION
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add hl, bc
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ld [hl], a
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ld hl, SPRITEANIMSTRUCT_FRAME
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add hl, bc
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dec [hl]
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dec [hl]
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jr .loop
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.restart
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xor a
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ld hl, SPRITEANIMSTRUCT_DURATION
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add hl, bc
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ld [hl], a
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dec a
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ld hl, SPRITEANIMSTRUCT_FRAME
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add hl, bc
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ld [hl], a
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jr .loop
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; 8d189
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.GetPointer: ; 8d189
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; Get the data for the current frame for the current animation sequence
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; SpriteAnimFrameData[SpriteAnim[SPRITEANIMSTRUCT_FRAMESET_ID]][SpriteAnim[SPRITEANIMSTRUCT_FRAME]]
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ld hl, SPRITEANIMSTRUCT_FRAMESET_ID
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add hl, bc
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ld e, [hl]
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ld d, 0
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ld hl, SpriteAnimFrameData
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add hl, de
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add hl, de
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ld e, [hl]
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inc hl
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ld d, [hl]
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ld hl, SPRITEANIMSTRUCT_FRAME
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add hl, bc
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ld l, [hl]
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ld h, 0
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add hl, hl
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add hl, de
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ret
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; 8d1a2
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GetFrameOAMPointer: ; 8d1a2
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; Load OAM data pointer
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ld e, a
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ld d, 0
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ld hl, SpriteAnimOAMData
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add hl, de
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add hl, de
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add hl, de
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ret
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; 8d1ac
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Unreferenced_BrokenGetStdGraphics: ; 8d1ac
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push hl
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ld l, a
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ld h, 0
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add hl, hl
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add hl, hl
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ld de, BrokenStdGFXPointers ; broken 2bpp pointers
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add hl, de
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ld c, [hl]
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inc hl
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ld b, [hl]
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inc hl
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ld e, [hl]
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inc hl
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ld d, [hl]
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pop hl
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push bc
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call Request2bpp
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pop bc
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ret
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; 8d1c4
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INCLUDE "data/sprite_anims/sequences.asm"
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INCLUDE "engine/sprite_anims.asm"
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INCLUDE "data/sprite_anims/framesets.asm"
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INCLUDE "data/sprite_anims/oam.asm"
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BrokenStdGFXPointers: ; Broken 2bpp pointers
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dbbw $80, $01, .deleted ; 128-tile 2bpp at 1:672a (inside Multiply)
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dbbw $80, $01, .deleted
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dbbw $80, $01, .deleted
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dbbw $80, $01, .deleted
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dbbw $10, $37, .deleted ; 16-tile 2bpp at 37:672a (within TilesetTrainStationGFX)
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dbbw $10, $11, .deleted ; 16-tile 2bpp at 11:672a (empty data)
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dbbw $10, $39, .deleted ; 16-tile 2bpp at 39:672a (empty data)
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dbbw $10, $24, .deleted ; 16-tile 2bpp at 24:672a (inside Function926f7)
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dbbw $10, $21, .deleted ; 16-tile 2bpp at 21:672a (inside Function8671c)
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.deleted
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; 8e72a (23:672a)
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Sprites_Cosine: ; 8e72a
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; a = d * cos(a * pi/32)
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add %010000
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Sprites_Sine: ; 8e72c
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; a = d * sin(a * pi/32)
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and %111111
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cp %100000
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jr nc, .negative
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call .ApplySineWave
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ld a, h
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ret
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|
.negative
|
|
and %011111
|
|
call .ApplySineWave
|
|
ld a, h
|
|
xor $ff
|
|
inc a
|
|
ret
|
|
; 8e741
|
|
|
|
.ApplySineWave: ; 8e741
|
|
ld e, a
|
|
ld a, d
|
|
ld d, 0
|
|
ld hl, .sinewave
|
|
add hl, de
|
|
add hl, de
|
|
ld e, [hl]
|
|
inc hl
|
|
ld d, [hl]
|
|
ld hl, 0
|
|
.multiply
|
|
srl a
|
|
jr nc, .even
|
|
add hl, de
|
|
.even
|
|
sla e
|
|
rl d
|
|
and a
|
|
jr nz, .multiply
|
|
ret
|
|
; 8e75d
|
|
|
|
.sinewave ; 8e75d
|
|
sine_wave $100
|
|
|
|
|
|
AnimateEndOfExpBar: ; 8e79d
|
|
ld a, [hSGB]
|
|
ld de, EndOfExpBarGFX
|
|
and a
|
|
jr z, .load
|
|
ld de, SGBEndOfExpBarGFX
|
|
|
|
.load
|
|
ld hl, vTiles0 tile $00
|
|
lb bc, BANK(EndOfExpBarGFX), 1
|
|
call Request2bpp
|
|
ld c, 8
|
|
ld d, 0
|
|
.loop
|
|
push bc
|
|
call .AnimateFrame
|
|
call DelayFrame
|
|
pop bc
|
|
inc d
|
|
inc d
|
|
dec c
|
|
jr nz, .loop
|
|
call ClearSprites
|
|
ret
|
|
; 8e7c6
|
|
|
|
.AnimateFrame: ; 8e7c6
|
|
ld hl, Sprite01
|
|
ld c, 8 ; number of animated circles
|
|
.anim_loop
|
|
ld a, c
|
|
and a
|
|
ret z
|
|
dec c
|
|
ld a, c
|
|
; multiply by 8
|
|
sla a
|
|
sla a
|
|
sla a
|
|
push af
|
|
|
|
push de
|
|
push hl
|
|
call Sprites_Sine
|
|
pop hl
|
|
pop de
|
|
add 13 * TILE_WIDTH
|
|
ld [hli], a ; y
|
|
|
|
pop af
|
|
push de
|
|
push hl
|
|
call Sprites_Cosine
|
|
pop hl
|
|
pop de
|
|
add 10 * TILE_WIDTH + 4
|
|
ld [hli], a ; x
|
|
|
|
ld a, $0
|
|
ld [hli], a ; tile id
|
|
ld a, PAL_BATTLE_OB_BLUE
|
|
ld [hli], a ; attributes
|
|
jr .anim_loop
|
|
; 8e7f4
|
|
|
|
EndOfExpBarGFX: ; 8e7f4
|
|
INCBIN "gfx/battle/expbarend.2bpp"
|
|
SGBEndOfExpBarGFX: ; 8e804
|
|
INCBIN "gfx/battle/expbarend_sgb.2bpp"
|
|
|
|
ClearSpriteAnims2: ; 8e814
|
|
push hl
|
|
push de
|
|
push bc
|
|
push af
|
|
ld hl, wSpriteAnimDict
|
|
ld bc, wSpriteAnimsEnd - wSpriteAnimDict
|
|
.loop
|
|
ld [hl], 0
|
|
inc hl
|
|
dec bc
|
|
ld a, c
|
|
or b
|
|
jr nz, .loop
|
|
pop af
|
|
pop bc
|
|
pop de
|
|
pop hl
|
|
ret
|
|
; 8e82b
|