ref: a73c532738d055bb3d28a46b59f7fc87d2c998d4
dir: /engine/load_pics.asm/
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, $ff / NUM_UNOWN + 1 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 GetAnimatedFrontpic: ; 5108b ld a, [CurPartySpecies] ld [CurSpecies], a call IsAPokemon ret c ld a, [rSVBK] push af xor a ld [hBGMapMode], a call _GetFrontpic call GetAnimatedEnemyFrontpic 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 GetAnimatedEnemyFrontpic: ; 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 LoadOrientedFrontpic pop bc .loop push bc ld c, 0 call LoadOrientedFrontpic 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 DecompressGet2bpp: ; 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 ; pads frontpic to fill 7x7 box ld a, b cp 6 jr z, .six cp 5 jr z, .five .seven_loop ld c, $70 call LoadOrientedFrontpic 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 LoadOrientedFrontpic 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 LoadOrientedFrontpic dec b jr nz, .five_loop ld c, $70 xor a call .Fill ret .Fill: ld [hli], a dec c jr nz, .Fill ret LoadOrientedFrontpic: ; 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