pokecrystal-board/gfx/load_pics.asm

495 lines
6.8 KiB
NASM
Executable File

GetUnownLetter: ; 51040
; Return Unown letter in UnownLetter based on DVs at hl
; Take the middle 2 bits of each DV and place them in order:
; atk def spd spc
; .ww..xx. .yy..zz.
; atk
ld a, [hl]
and %01100000
sla a
ld b, a
; def
ld a, [hli]
and %00000110
swap a
srl a
or b
ld b, a
; spd
ld a, [hl]
and %01100000
swap a
sla a
or b
ld b, a
; spc
ld a, [hl]
and %00000110
srl a
or b
; Divide by 10 to get 0-25
ld [hDividend + 3], a
xor a
ld [hDividend], a
ld [hDividend + 1], a
ld [hDividend + 2], a
ld a, 10
ld [hDivisor], a
ld b, 4
call Divide
; Increment to get 1-26
ld a, [hQuotient + 2]
inc a
ld [UnownLetter], a
ret
GetMonFrontpic: ; 51077
ld a, [CurPartySpecies]
ld [CurSpecies], a
call IsAPokemon
ret c
ld a, [rSVBK]
push af
call _GetFrontpic
pop af
ld [rSVBK], a
ret
GetAnimatedFrontpicPredef: ; 5108b
ld a, [CurPartySpecies]
ld [CurSpecies], a
call IsAPokemon
ret c
ld a, [rSVBK]
push af
xor a
ld [hBGMapMode], a
call _GetFrontpic
call GetAnimatedFrontpic
pop af
ld [rSVBK], a
ret
_GetFrontpic: ; 510a5
push de
call GetBaseData
ld a, [BasePicSize]
and $f
ld b, a
push bc
call GetFrontpicPointer
ld a, BANK(wDecompressEnemyFrontpic)
ld [rSVBK], a
ld a, b
ld de, wDecompressEnemyFrontpic
call FarDecompress
pop bc
ld hl, wDecompressScratch
ld de, wDecompressEnemyFrontpic
call PadFrontpic
pop hl
push hl
ld de, wDecompressScratch
ld c, 7 * 7
ld a, [hROMBank]
ld b, a
call Get2bpp
pop hl
ret
GetFrontpicPointer: ; 510d7
GLOBAL PokemonPicPointers, UnownPicPointers
ld a, [CurPartySpecies]
cp UNOWN
jr z, .unown
ld a, [CurPartySpecies]
ld d, BANK(PokemonPicPointers)
jr .ok
.unown
ld a, [UnownLetter]
ld d, BANK(UnownPicPointers)
.ok
ld hl, PokemonPicPointers ; UnownPicPointers
dec a
ld bc, 6
call AddNTimes
ld a, d
call GetFarByte
call FixPicBank
push af
inc hl
ld a, d
call GetFarHalfword
pop bc
ret
GetAnimatedFrontpic: ; 51103
ld a, BANK(vTiles3)
ld [rVBK], a
push hl
ld de, wDecompressScratch
ld c, 7 * 7
ld a, [hROMBank]
ld b, a
call Get2bpp
pop hl
ld de, 7 * 7 tiles
add hl, de
push hl
ld a, BANK(BasePicSize)
ld hl, BasePicSize
call GetFarWRAMByte
pop hl
and $f
ld de, wDecompressEnemyFrontpic + 5 * 5 tiles
ld c, 5 * 5
cp 5
jr z, .got_dims
ld de, wDecompressEnemyFrontpic + 6 * 6 tiles
ld c, 6 * 6
cp 6
jr z, .got_dims
ld de, wDecompressEnemyFrontpic + 7 * 7 tiles
ld c, 7 * 7
.got_dims
push hl
push bc
call LoadFrontpicTiles
pop bc
pop hl
ld de, wDecompressScratch
ld a, [hROMBank]
ld b, a
call Get2bpp
xor a
ld [rVBK], a
ret
LoadFrontpicTiles: ; 5114f
ld hl, wDecompressScratch
swap c
ld a, c
and $f
ld b, a
ld a, c
and $f0
ld c, a
push bc
call LoadFrontpic
pop bc
.loop
push bc
ld c, $0
call LoadFrontpic
pop bc
dec b
jr nz, .loop
ret
GetMonBackpic: ; 5116c
ld a, [CurPartySpecies]
call IsAPokemon
ret c
ld a, [CurPartySpecies]
ld b, a
ld a, [UnownLetter]
ld c, a
ld a, [rSVBK]
push af
ld a, BANK(wDecompressScratch)
ld [rSVBK], a
push de
; These are assumed to be at the same
; address in their respective banks.
GLOBAL PokemonPicPointers, UnownPicPointers
ld hl, PokemonPicPointers ; UnownPicPointers
ld a, b
ld d, BANK(PokemonPicPointers)
cp UNOWN
jr nz, .ok
ld a, c
ld d, BANK(UnownPicPointers)
.ok
dec a
ld bc, 6
call AddNTimes
ld bc, 3
add hl, bc
ld a, d
call GetFarByte
call FixPicBank
push af
inc hl
ld a, d
call GetFarHalfword
ld de, wDecompressScratch
pop af
call FarDecompress
ld hl, wDecompressScratch
ld c, 6 * 6
call FixBackpicAlignment
pop hl
ld de, wDecompressScratch
ld a, [hROMBank]
ld b, a
call Get2bpp
pop af
ld [rSVBK], a
ret
FixPicBank: ; 511c5
; This is a thing for some reason.
PICS_FIX EQU $36
GLOBAL PICS_FIX
push hl
push bc
sub BANK(Pics_1) - PICS_FIX
ld c, a
ld b, 0
ld hl, .PicsBanks
add hl, bc
ld a, [hl]
pop bc
pop hl
ret
.PicsBanks: ; 511d4
db BANK(Pics_1) + 0
db BANK(Pics_1) + 1
db BANK(Pics_1) + 2
db BANK(Pics_1) + 3
db BANK(Pics_1) + 4
db BANK(Pics_1) + 5
db BANK(Pics_1) + 6
db BANK(Pics_1) + 7
db BANK(Pics_1) + 8
db BANK(Pics_1) + 9
db BANK(Pics_1) + 10
db BANK(Pics_1) + 11
db BANK(Pics_1) + 12
db BANK(Pics_1) + 13
db BANK(Pics_1) + 14
db BANK(Pics_1) + 15
db BANK(Pics_1) + 16
db BANK(Pics_1) + 17
db BANK(Pics_1) + 18
db BANK(Pics_1) + 19
db BANK(Pics_1) + 20
db BANK(Pics_1) + 21
db BANK(Pics_1) + 22
db BANK(Pics_1) + 23
Function511ec: ; 511ec
ld a, c
push de
ld hl, PokemonPicPointers
dec a
ld bc, 6
call AddNTimes
ld a, BANK(PokemonPicPointers)
call GetFarByte
call FixPicBank
push af
inc hl
ld a, BANK(PokemonPicPointers)
call GetFarHalfword
pop af
pop de
call FarDecompress
ret
GetTrainerPic: ; 5120d
ld a, [TrainerClass]
and a
ret z
cp NUM_TRAINER_CLASSES
ret nc
call WaitBGMap
xor a
ld [hBGMapMode], a
ld hl, TrainerPicPointers
ld a, [TrainerClass]
dec a
ld bc, 3
call AddNTimes
ld a, [rSVBK]
push af
ld a, BANK(wDecompressScratch)
ld [rSVBK], a
push de
ld a, BANK(TrainerPicPointers)
call GetFarByte
call FixPicBank
push af
inc hl
ld a, BANK(TrainerPicPointers)
call GetFarHalfword
pop af
ld de, wDecompressScratch
call FarDecompress
pop hl
ld de, wDecompressScratch
ld c, 7 * 7
ld a, [hROMBank]
ld b, a
call Get2bpp
pop af
ld [rSVBK], a
call WaitBGMap
ld a, $1
ld [hBGMapMode], a
ret
DecompressPredef: ; 5125d
; Decompress lz data from b:hl to scratch space at 6:d000, then copy it to address de.
ld a, [rSVBK]
push af
ld a, BANK(wDecompressScratch)
ld [rSVBK], a
push de
push bc
ld a, b
ld de, wDecompressScratch
call FarDecompress
pop bc
ld de, wDecompressScratch
pop hl
ld a, [hROMBank]
ld b, a
call Get2bpp
pop af
ld [rSVBK], a
ret
FixBackpicAlignment: ; 5127c
push de
push bc
ld a, [wBoxAlignment]
and a
jr z, .keep_dims
ld a, c
cp 7 * 7
ld de, 7 * 7 tiles
jr z, .got_dims
cp 6 * 6
ld de, 6 * 6 tiles
jr z, .got_dims
ld de, 5 * 5 tiles
.got_dims
ld a, [hl]
ld b, $0
ld c, $8
.loop
rra
rl b
dec c
jr nz, .loop
ld a, b
ld [hli], a
dec de
ld a, e
or d
jr nz, .got_dims
.keep_dims
pop bc
pop de
ret
PadFrontpic: ; 512ab
ld a, b
cp 6
jr z, .six
cp 5
jr z, .five
.seven_loop
ld c, $70
call LoadFrontpic
dec b
jr nz, .seven_loop
ret
.six
ld c, $70
xor a
call .Fill
.six_loop
ld c, $10
xor a
call .Fill
ld c, $60
call LoadFrontpic
dec b
jr nz, .six_loop
ret
.five
ld c, $70
xor a
call .Fill
.five_loop
ld c, $20
xor a
call .Fill
ld c, $50
call LoadFrontpic
dec b
jr nz, .five_loop
ld c, $70
xor a
call .Fill
ret
.Fill:
ld [hli], a
dec c
jr nz, .Fill
ret
LoadFrontpic: ; 512f2
ld a, [wBoxAlignment]
and a
jr nz, .x_flip
.left_loop
ld a, [de]
inc de
ld [hli], a
dec c
jr nz, .left_loop
ret
.x_flip
push bc
.right_loop
ld a, [de]
inc de
ld b, a
xor a
rept 8
rr b
rla
endr
ld [hli], a
dec c
jr nz, .right_loop
pop bc
ret