shithub: pokered

ref: 5f61d0008924304030b87d56f14d790afcf5a055
dir: /engine/battle/draw_hud_pokeball_gfx.asm/

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DrawAllPokeballs: ; 3a849 (e:6849)
	call LoadPartyPokeballGfx
	call SetupOwnPartyPokeballs
	ld a, [W_ISINBATTLE] ; W_ISINBATTLE
	dec a
	ret z ; return if wild pokémon
	jp SetupEnemyPartyPokeballs

DrawEnemyPokeballs: ; 0x3a857
	call LoadPartyPokeballGfx
	jp SetupEnemyPartyPokeballs

LoadPartyPokeballGfx: ; 3a85d (e:685d)
	ld de, PokeballTileGraphics ; $697e
	ld hl, vSprites + $310
	ld bc, (BANK(PokeballTileGraphics) << 8) + $04
	jp CopyVideoData

SetupOwnPartyPokeballs: ; 3a869 (e:6869)
	call PlacePlayerHUDTiles
	ld hl, wPartyMon1
	ld de, wPartyCount ; wPartyCount
	call SetupPokeballs
	ld a, $60
	ld hl, W_BASECOORDX ; wd081
	ld [hli], a
	ld [hl], a
	ld a, $8
	ld [wTrainerEngageDistance], a
	ld hl, wOAMBuffer
	jp WritePokeballOAMData

SetupEnemyPartyPokeballs: ; 3a887 (e:6887)
	call PlaceEnemyHUDTiles
	ld hl, wEnemyMons
	ld de, wEnemyPartyCount ; wEnemyPartyCount
	call SetupPokeballs
	ld hl, W_BASECOORDX ; wd081
	ld a, $48
	ld [hli], a
	ld [hl], $20
	ld a, $f8
	ld [wTrainerEngageDistance], a
	ld hl, wOAMBuffer + PARTY_LENGTH * 4
	jp WritePokeballOAMData

SetupPokeballs: ; 0x3a8a6
	ld a, [de]
	push af
	ld de, wBuffer
	ld c, PARTY_LENGTH
	ld a, $34 ; empty pokeball
.emptyloop
	ld [de], a
	inc de
	dec c
	jr nz, .emptyloop
	pop af
	ld de, wBuffer
.monloop
	push af
	call PickPokeball
	inc de
	pop af
	dec a
	jr nz, .monloop
	ret

PickPokeball: ; 3a8c2 (e:68c2)
	inc hl
	ld a, [hli]
	and a
	jr nz, .alive
	ld a, [hl]
	and a
	ld b, $33 ; crossed ball (fainted)
	jr z, .done_fainted
.alive
	inc hl
	inc hl
	ld a, [hl] ; status
	and a
	ld b, $32 ; black ball (status)
	jr nz, .done
	dec b ; regular ball
	jr .done
.done_fainted
	inc hl
	inc hl
.done
	ld a, b
	ld [de], a
	ld bc, $0028 ; rest of mon struct
	add hl, bc
	ret

WritePokeballOAMData: ; 3a8e1 (e:68e1)
	ld de, wBuffer
	ld c, PARTY_LENGTH
.loop
	ld a, [W_BASECOORDY] ; wd082
	ld [hli], a
	ld a, [W_BASECOORDX] ; wd081
	ld [hli], a
	ld a, [de]
	ld [hli], a
	xor a
	ld [hli], a
	ld a, [W_BASECOORDX] ; wd081
	ld b, a
	ld a, [wTrainerEngageDistance]
	add b
	ld [W_BASECOORDX], a ; wd081
	inc de
	dec c
	jr nz, .loop
	ret

PlacePlayerHUDTiles: ; 3a902 (e:6902)
	ld hl, PlayerBattleHUDGraphicsTiles ; $6916
	ld de, wTrainerFacingDirection
	ld bc, $3
	call CopyData
	hlCoord 18, 10
	ld de, rIE ; $ffff
	jr PlaceHUDTiles

PlayerBattleHUDGraphicsTiles: ; 3a916 (e:6916)
; The tile numbers for specific parts of the battle display for the player's pokemon
	db $73 ; unused ($73 is hardcoded into the routine that uses these bytes)
	db $77 ; lower-right corner tile of the HUD
	db $6F ; lower-left triangle tile of the HUD

PlaceEnemyHUDTiles: ; 3a919 (e:6919)
	ld hl, EnemyBattleHUDGraphicsTiles ; $692d
	ld de, wTrainerFacingDirection
	ld bc, $3
	call CopyData
	hlCoord 1, 2
	ld de, $1
	jr PlaceHUDTiles

EnemyBattleHUDGraphicsTiles: ; 3a92d (e:692d)
; The tile numbers for specific parts of the battle display for the enemy
	db $73 ; unused ($73 is hardcoded in the routine that uses these bytes)
	db $74 ; lower-left corner tile of the HUD
	db $78 ; lower-right triangle tile of the HUD

PlaceHUDTiles: ; 3a930 (e:6930)
	ld [hl], $73
	ld bc, $14
	add hl, bc
	ld a, [wTrainerScreenY]
	ld [hl], a
	ld a, $8
.asm_3a93c
	add hl, de
	ld [hl], $76
	dec a
	jr nz, .asm_3a93c
	add hl, de
	ld a, [wTrainerScreenX]
	ld [hl], a
	ret

SetupPlayerAndEnemyPokeballs: ; 3a948 (e:6948)
	call LoadPartyPokeballGfx
	ld hl, wPartyMon1Species ; wPartyMon1Species (aliases: wPartyMon1)
	ld de, wPartyCount ; wPartyCount
	call SetupPokeballs
	ld hl, W_BASECOORDX ; wd081
	ld a, $50
	ld [hli], a
	ld [hl], $40
	ld a, $8
	ld [wTrainerEngageDistance], a
	ld hl, wOAMBuffer
	call WritePokeballOAMData
	ld hl, wEnemyMons ; wEnemyMon1Species
	ld de, wEnemyPartyCount ; wEnemyPartyCount
	call SetupPokeballs
	ld hl, W_BASECOORDX ; wd081
	ld a, $50
	ld [hli], a
	ld [hl], $68
	ld hl, wOAMBuffer + $18
	jp WritePokeballOAMData

; four tiles: pokeball, black pokeball (status ailment), crossed out pokeball (faited) and pokeball slot (no mon)
PokeballTileGraphics:: ; 3a97e (e:697e)
	INCBIN "gfx/pokeball.2bpp"