DEF SHINY_ATK_MASK EQU %0010
DEF SHINY_DEF_DV EQU 10
DEF SHINY_SPD_DV EQU 10
DEF SHINY_SPC_DV EQU 10

CheckShininess:
; Check if a mon is shiny by DVs at bc.
; Return carry if shiny.

	ld l, c
	ld h, b

; Attack
	ld a, [hl]
	and SHINY_ATK_MASK << 4
	jr z, .not_shiny

; Defense
	ld a, [hli]
	and %1111
	cp SHINY_DEF_DV
	jr nz, .not_shiny

; Speed
	ld a, [hl]
	and %1111 << 4
	cp SHINY_SPD_DV << 4
	jr nz, .not_shiny

; Special
	ld a, [hl]
	and %1111
	cp SHINY_SPC_DV
	jr nz, .not_shiny

; shiny
	scf
	ret

.not_shiny
	and a
	ret

Unused_CheckShininess:
; Return carry if the DVs at hl are all 10 or higher.

; Attack
	ld a, [hl]
	cp 10 << 4
	jr c, .not_shiny

; Defense
	ld a, [hli]
	and %1111
	cp 10
	jr c, .not_shiny

; Speed
	ld a, [hl]
	cp 10 << 4
	jr c, .not_shiny

; Special
	ld a, [hl]
	and %1111
	cp 10
	jr c, .not_shiny

; shiny
	scf
	ret

.not_shiny
	and a
	ret

InitPartyMenuPalettes:
	ld hl, FourPals_PartyMenu
	call CopyFourPalettes
	call InitPartyMenuOBPals
	call WipeAttrmap
	ret

LoadTrainerClassPaletteAsNthBGPal:
	ld a, [wTrainerClass]
	call GetTrainerPalettePointer
	ld a, e
	jr LoadNthMiddleBGPal

LoadMonPaletteAsNthBGPal:
	ld a, [wCurPartySpecies]
	call _GetMonPalettePointer
	ld a, e
	bit 7, a
	jr z, LoadNthMiddleBGPal
	and $7f
	inc hl
	inc hl
	inc hl
	inc hl

LoadNthMiddleBGPal:
	push hl
	ld hl, wBGPals1
	ld de, 1 palettes
.loop
	and a
	jr z, .got_addr
	add hl, de
	dec a
	jr .loop

.got_addr
	ld e, l
	ld d, h
	pop hl
	call LoadPalette_White_Col1_Col2_Black
	ret

LoadBetaPokerPalettes: ; unreferenced
	ld a, [wBetaPokerSGBCol]
	ld c, a
	ld a, [wBetaPokerSGBRow]
	hlcoord 0, 0, wAttrmap
	ld de, SCREEN_WIDTH
.loop
	and a
	jr z, .done
	add hl, de
	dec a
	jr .loop

.done
	ld b, 0
	add hl, bc
	lb bc, 6, 4
	ld a, [wBetaPokerSGBAttr]
	and $3
	call FillBoxCGB
	call CopyTilemapAtOnce
	ret

ApplyMonOrTrainerPals:
	ld a, e
	and a
	jr z, .get_trainer
	ld a, [wCurPartySpecies]
	call GetMonPalettePointer
	jr .load_palettes

.get_trainer
	ld a, [wTrainerClass]
	call GetTrainerPalettePointer

.load_palettes
	ld de, wBGPals1
	call LoadPalette_White_Col1_Col2_Black
	call WipeAttrmap
	call ApplyAttrmap
	call ApplyPals
	ret

ApplyHPBarPals:
	ld a, [wWhichHPBar]
	and a
	jr z, .Enemy
	cp $1
	jr z, .Player
	cp $2
	jr z, .PartyMenu
	ret

.Enemy:
	ld de, wBGPals2 palette PAL_BATTLE_BG_ENEMY_HP color 1
	jr .okay

.Player:
	ld de, wBGPals2 palette PAL_BATTLE_BG_PLAYER_HP color 1

.okay
	ld l, c
	ld h, $0
	add hl, hl
	add hl, hl
	ld bc, HPBarPals
	add hl, bc
	ld bc, 4
	ld a, BANK(wBGPals2)
	call FarCopyWRAM
	ld a, TRUE
	ldh [hCGBPalUpdate], a
	ret

.PartyMenu:
	ld e, c
	inc e
	hlcoord 11, 1, wAttrmap
	ld bc, 2 * SCREEN_WIDTH
	ld a, [wCurPartyMon]
.loop
	and a
	jr z, .done
	add hl, bc
	dec a
	jr .loop

.done
	lb bc, 2, 8
	ld a, e
	call FillBoxCGB
	ret

LoadStatsScreenPals:
	ld hl, StatsScreenPals
	ld b, 0
	dec c
	add hl, bc
	add hl, bc
	ldh a, [rSVBK]
	push af
	ld a, BANK(wBGPals1)
	ldh [rSVBK], a
	ld a, [hli]
	ld [wBGPals1 palette 0], a
	ld [wBGPals1 palette 2], a
	ld a, [hl]
	ld [wBGPals1 palette 0 + 1], a
	ld [wBGPals1 palette 2 + 1], a
	pop af
	ldh [rSVBK], a
	call ApplyPals
	ld a, $1
	ret

LoadMailPalettes:
	ld l, e
	ld h, 0
	add hl, hl
	add hl, hl
	add hl, hl
	ld de, .MailPals
	add hl, de
	ld de, wBGPals1
	ld bc, 1 palettes
	ld a, BANK(wBGPals1)
	call FarCopyWRAM
	call ApplyPals
	call WipeAttrmap
	call ApplyAttrmap
	ret

.MailPals:
INCLUDE "gfx/mail/mail.pal"

INCLUDE "engine/gfx/cgb_layouts.asm"

CopyFourPalettes:
	ld de, wBGPals1
	ld c, 4

CopyPalettes:
.loop
	push bc
	ld a, [hli]
	push hl
	call GetPredefPal
	call LoadHLPaletteIntoDE
	pop hl
	inc hl
	pop bc
	dec c
	jr nz, .loop
	ret

GetPredefPal:
	ld l, a
	ld h, 0
	add hl, hl
	add hl, hl
	add hl, hl
	ld bc, PredefPals
	add hl, bc
	ret

PredefPals:
	table_width PALETTE_SIZE, PredefPals
INCLUDE "gfx/predef/predef.pal"
	assert_table_length NUM_PREDEF_PALS

INCLUDE "gfx/predef/four_pals.asm"

LoadHLPaletteIntoDE:
	ldh a, [rSVBK]
	push af
	ld a, BANK(wOBPals1)
	ldh [rSVBK], a
	ld c, 1 palettes
.loop
	ld a, [hli]
	ld [de], a
	inc de
	dec c
	jr nz, .loop
	pop af
	ldh [rSVBK], a
	ret

LoadPalette_White_Col1_Col2_Black:
	ldh a, [rSVBK]
	push af
	ld a, BANK(wBGPals1)
	ldh [rSVBK], a

	ld a, LOW(PALRGB_WHITE)
	ld [de], a
	inc de
	ld a, HIGH(PALRGB_WHITE)
	ld [de], a
	inc de

	ld c, 2 * PAL_COLOR_SIZE
.loop
	ld a, [hli]
	ld [de], a
	inc de
	dec c
	jr nz, .loop

	xor a
	ld [de], a
	inc de
	ld [de], a
	inc de

	pop af
	ldh [rSVBK], a
	ret

FillBoxCGB:
.row
	push bc
	push hl
.col
	ld [hli], a
	dec c
	jr nz, .col
	pop hl
	ld bc, SCREEN_WIDTH
	add hl, bc
	pop bc
	dec b
	jr nz, .row
	ret

ResetBGPals:
	push af
	push bc
	push de
	push hl

	ldh a, [rSVBK]
	push af
	ld a, BANK(wBGPals1)
	ldh [rSVBK], a

	ld hl, wBGPals1
	ld c, 1 palettes
.loop
	ld a, $ff
	ld [hli], a
	ld [hli], a
	ld [hli], a
	ld [hli], a
	xor a
	ld [hli], a
	ld [hli], a
	ld [hli], a
	ld [hli], a
	dec c
	jr nz, .loop

	pop af
	ldh [rSVBK], a

	pop hl
	pop de
	pop bc
	pop af
	ret

WipeAttrmap:
	hlcoord 0, 0, wAttrmap
	ld bc, SCREEN_WIDTH * SCREEN_HEIGHT
	xor a
	call ByteFill
	ret

ApplyPals:
	ld hl, wBGPals1
	ld de, wBGPals2
	ld bc, 16 palettes
	ld a, BANK(wGBCPalettes)
	call FarCopyWRAM
	ret

ApplyAttrmap:
	ldh a, [rLCDC]
	bit rLCDC_ENABLE, a
	jr z, .UpdateVBank1
	ldh a, [hBGMapMode]
	push af
	ld a, $2
	ldh [hBGMapMode], a
	call DelayFrame
	call DelayFrame
	call DelayFrame
	call DelayFrame
	pop af
	ldh [hBGMapMode], a
	ret

.UpdateVBank1:
	hlcoord 0, 0, wAttrmap
	debgcoord 0, 0
	ld b, SCREEN_HEIGHT
	ld a, $1
	ldh [rVBK], a
.row
	ld c, SCREEN_WIDTH
.col
	ld a, [hli]
	ld [de], a
	inc de
	dec c
	jr nz, .col
	ld a, BG_MAP_WIDTH - SCREEN_WIDTH
	add e
	jr nc, .okay
	inc d
.okay
	ld e, a
	dec b
	jr nz, .row
	ld a, $0
	ldh [rVBK], a
	ret

; CGB layout for CGB_PARTY_MENU_HP_BARS
CGB_ApplyPartyMenuHPPals:
	ld hl, wHPPals
	ld a, [wWhichPartyMonHPPal]
	ld e, a
	ld d, 0
	add hl, de
	ld e, l
	ld d, h
	ld a, [de]
	inc a
	ld e, a
	hlcoord 11, 2, wAttrmap
	ld bc, 2 * SCREEN_WIDTH
	ld a, [wWhichPartyMonHPPal]
.loop
	and a
	jr z, .done
	add hl, bc
	dec a
	jr .loop
.done
	lb bc, 2, 8
	ld a, e
	call FillBoxCGB
	ret

InitPartyMenuOBPals:
	ld hl, PartyMenuOBPals
	ld de, wOBPals1
	ld bc, 2 palettes
	ld a, BANK(wOBPals1)
	call FarCopyWRAM
	ret

GetBattlemonBackpicPalettePointer:
	push de
	farcall GetPartyMonDVs
	ld c, l
	ld b, h
	ld a, [wTempBattleMonSpecies]
	call GetPlayerOrMonPalettePointer
	pop de
	ret

GetEnemyFrontpicPalettePointer:
	push de
	farcall GetEnemyMonDVs
	ld c, l
	ld b, h
	ld a, [wTempEnemyMonSpecies]
	call GetFrontpicPalettePointer
	pop de
	ret

GetPlayerOrMonPalettePointer:
	and a
	jp nz, GetMonNormalOrShinyPalettePointer
	ld a, [wPlayerCharacter]
	ld e, PLAYERDATA_PIC_PAL
	call GetPlayerField
	ret

GetFrontpicPalettePointer:
	and a
	jp nz, GetMonNormalOrShinyPalettePointer
	ld a, [wTrainerClass]

GetTrainerPalettePointer:
	ld l, a
	ld h, 0
	add hl, hl
	add hl, hl
	ld bc, TrainerPalettes
	add hl, bc
	ret

GetMonPalettePointer:
	call _GetMonPalettePointer
	ret

BattleObjectPals:
INCLUDE "gfx/battle_anims/battle_anims.pal"

_GetMonPalettePointer:
	ld l, a
	ld h, 0
	add hl, hl
	add hl, hl
	add hl, hl
	ld bc, PokemonPalettes
	add hl, bc
	ret

GetMonNormalOrShinyPalettePointer:
	push bc
	call _GetMonPalettePointer
	pop bc
	push hl
	call CheckShininess
	pop hl
	ret nc
rept 4
	inc hl
endr
	ret

InitCGBPals::
	ldh a, [hCGB]
	and a
	ret z

; CGB only
	ld a, BANK(vTiles3)
	ldh [rVBK], a
	ld hl, vTiles3
	ld bc, $200 tiles
	xor a
	call ByteFill
	ld a, BANK(vTiles0)
	ldh [rVBK], a
	ld a, 1 << rBGPI_AUTO_INCREMENT
	ldh [rBGPI], a
	ld c, 4 * TILE_WIDTH
.bgpals_loop
	ld a, LOW(PALRGB_WHITE)
	ldh [rBGPD], a
	ld a, HIGH(PALRGB_WHITE)
	ldh [rBGPD], a
	dec c
	jr nz, .bgpals_loop
	ld a, 1 << rOBPI_AUTO_INCREMENT
	ldh [rOBPI], a
	ld c, 4 * TILE_WIDTH
.obpals_loop
	ld a, LOW(PALRGB_WHITE)
	ldh [rOBPD], a
	ld a, HIGH(PALRGB_WHITE)
	ldh [rOBPD], a
	dec c
	jr nz, .obpals_loop
	ldh a, [rSVBK]
	push af
	ld a, BANK(wBGPals1)
	ldh [rSVBK], a
	ld hl, wBGPals1
	call .LoadWhitePals
	ld hl, wBGPals2
	call .LoadWhitePals
	pop af
	ldh [rSVBK], a
	ret

.LoadWhitePals:
	ld c, 4 * 16
.loop
	ld a, LOW(PALRGB_WHITE)
	ld [hli], a
	ld a, HIGH(PALRGB_WHITE)
	ld [hli], a
	dec c
	jr nz, .loop
	ret

HPBarPals:
INCLUDE "gfx/battle/hp_bar.pal"

ExpBarPalette:
INCLUDE "gfx/battle/exp_bar.pal"

INCLUDE "data/pokemon/palettes.asm"

INCLUDE "data/trainers/palettes.asm"

LoadMapPals:
	call LoadDarknessPaletteIfDark
	jr c, .got_pals

	; Which palette group is based on whether we're outside or inside
	ld a, [wEnvironment]
	maskbits NUM_ENVIRONMENTS
	ld e, a
	ld d, 0
	ld hl, EnvironmentColorsPointers
	add hl, de
	add hl, de
	ld a, [hli]
	ld h, [hl]
	ld l, a
	; Futher refine by time of day
	ld a, [wTimeOfDayPal]
	maskbits NUM_DAYTIMES
	add a
	add a
	add a
	ld e, a
	ld d, 0
	add hl, de
	ld e, l
	ld d, h
	ldh a, [rSVBK]
	push af
	ld a, BANK(wBGPals1)
	ldh [rSVBK], a
	ld hl, wBGPals1
	ld b, 8
.outer_loop
	ld a, [de] ; lookup index for TilesetBGPalette
	push de
	push hl
	ld l, a
	ld h, 0
	add hl, hl
	add hl, hl
	add hl, hl
	ld de, TilesetBGPalette
	add hl, de
	ld e, l
	ld d, h
	pop hl
	ld c, 1 palettes
.inner_loop
	ld a, [de]
	inc de
	ld [hli], a
	dec c
	jr nz, .inner_loop
	pop de
	inc de
	dec b
	jr nz, .outer_loop
	pop af
	ldh [rSVBK], a

.got_pals
	; BG pals done. Now do OBJ pals.
	call GetMapTimeOfDay
	bit IN_DARKNESS_F, a
	jr z, .not_darkness
	ld a, [wStatusFlags]
	bit STATUSFLAGS_FLASH_F, a
	jr nz, .not_darkness
	ld a, BANK(wOBPals1)
	ld de, wOBPals1
	ld hl, MapObjectDarknessPals
	ld bc, 7 palettes ; all but PAL_OW_MISC
	call FarCopyWRAM
	jp LoadOverworldMiscObjPal_ToObPals1 ; PAL_OW_MISC

.not_darkness
	ld a, [wTimeOfDayPal]
	maskbits NUM_DAYTIMES
	ld bc, 8 palettes
	ld hl, MapObjectPals
	call AddNTimes
	ld de, wOBPals1
	ld bc, 7 palettes ; all but PAL_OW_MISC
	ld a, BANK(wOBPals1)
	call FarCopyWRAM
	call LoadOverworldMiscObjPal_ToObPals1 ; PAL_OW_MISC

	ld a, [wEnvironment]
	cp INDOOR_ENVIRONMENT
	jr c, .outside
	ret nz
.outside
	ld a, [wMapGroup]
	add a
	add a
	ld e, a
	ld d, 0
	ld hl, RoofPals
rept NUM_DAYTIMES
	add hl, de
endr
	ld a, [wTimeOfDayPal]
	maskbits NUM_DAYTIMES
	add a
	add a
	ld e, a
	ld d, 0
	add hl, de
	ld de, wBGPals1 palette PAL_BG_ROOF color 1
	ld bc, 4
	ld a, BANK(wBGPals1)
	call FarCopyWRAM
	ret

LoadDarknessPaletteIfDark:
	call GetMapTimeOfDay
	bit IN_DARKNESS_F, a
	jr z, .do_nothing
	ld a, [wStatusFlags]
	bit STATUSFLAGS_FLASH_F, a
	jr nz, .do_nothing

.darkness
	call LoadDarknessPalette
	scf
	ret

.do_nothing
	and a
	ret

LoadDarknessPalette:
	ld a, BANK(wBGPals1)
	ld de, wBGPals1
	ld hl, TilesetBGDarknessPalette
	ld bc, 8 palettes
	jp FarCopyWRAM

LoadOverworldMiscObjPal_ToObPals1:
	call GetOverworldMiscObjPal
	ld de, wOBPals1 palette PAL_OW_MISC
	ld bc, PALETTE_SIZE
	ld a, BANK(wOBPals1)
	jp FarCopyWRAM

LoadOverworldMiscObjPal_ToObPals2:
	call GetOverworldMiscObjPal
	ld de, wOBPals2 palette PAL_OW_MISC
	ld bc, PALETTE_SIZE
	ld a, BANK(wOBPals1)
	jp FarCopyWRAM

LoadOverworldMiscObjPal_ToObPals1And2:
	call LoadOverworldMiscObjPal_ToObPals1
	ld hl, wOBPals1 palette PAL_OW_MISC
	ld de, wOBPals2 palette PAL_OW_MISC
	ld bc, PALETTE_SIZE
	ld a, BANK(wOBPals1)
	jp FarCopyWRAM

GetOverworldMiscObjPal:
	ld a, [wCurOverworldMiscPal]
	and PAL_OW_MISC_PAL_GROUP_MASK
	swap a
	ld hl, .OverworldMiscPalGroups
	ld bc, .pal_group_2 - .pal_group_1
	call AddNTimes
	ld a, [hli]
	ld h, [hl]
	ld l, a
	ld a, [wCurOverworldMiscPal]
	and ~PAL_OW_MISC_PAL_GROUP_MASK
	ld bc, PALETTE_SIZE
	call AddNTimes
	ret

.OverworldMiscPalGroups:
	table_width 2, .OverworldMiscPalGroups
.pal_group_1
	dw BoardMenuItemsPals
.pal_group_2
	dw BoardDicePals
	dw BoardCoinsPals
	assert_table_length NUM_PAL_OW_MISC_PAL_GROUPS

INCLUDE "data/maps/environment_colors.asm"

PartyMenuBGMobilePalette:
INCLUDE "gfx/stats/party_menu_bg_mobile.pal"

PartyMenuBGPalette:
INCLUDE "gfx/stats/party_menu_bg.pal"

TilesetBGDarknessPalette:
INCLUDE "gfx/tilesets/bg_tiles_darkness.pal"

TilesetBGPalette:
INCLUDE "gfx/tilesets/bg_tiles.pal"

MapObjectDarknessPals:
INCLUDE "gfx/overworld/npc_sprites_darkness.pal"

MapObjectPals::
INCLUDE "gfx/overworld/npc_sprites.pal"

BoardMenuItemsPals:
INCLUDE "gfx/board/menu.pal"

BoardDicePals:
INCLUDE "gfx/board/dice.pal"

BoardCoinsPals:
INCLUDE "gfx/board/coins.pal"

RoofPals:
	table_width PAL_COLOR_SIZE * 4 * 2, RoofPals
INCLUDE "gfx/tilesets/roofs.pal"
	assert_table_length NUM_MAP_GROUPS + 1

DiplomaPalettes:
INCLUDE "gfx/diploma/diploma.pal"

PartyMenuOBPals:
INCLUDE "gfx/stats/party_menu_ob.pal"

UnusedGSTitleBGPals:
INCLUDE "gfx/title/unused_gs_bg.pal"

UnusedGSTitleOBPals:
INCLUDE "gfx/title/unused_gs_fg.pal"

MalePokegearPals:
INCLUDE "gfx/pokegear/pokegear.pal"

FemalePokegearPals:
INCLUDE "gfx/pokegear/pokegear_f.pal"

BetaPokerPals:
INCLUDE "gfx/beta_poker/beta_poker.pal"

SlotMachinePals:
INCLUDE "gfx/slots/slots.pal"

LevelSelectionMenuPals:
	table_width PAL_COLOR_SIZE * 4 * 6, LevelSelectionMenuPals
INCLUDE "gfx/level_selection_menu/background.pal"
	assert_table_length (NUM_DAYTIMES + NUM_DAYTIMES * 2)

LevelSelectionMenuStageTrophiesPals:
INCLUDE "gfx/level_selection_menu/stage_trophies.pal"

LevelSelectionMenuTimeOfDaySymbolsPals:
INCLUDE "gfx/level_selection_menu/time_of_day_symbols.pal"

INCLUDE "engine/gfx/rgb_fade.asm"