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-rw-r--r--engine/battle_start.asm866
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diff --git a/engine/battle_start.asm b/engine/battle_start.asm
deleted file mode 100644
index 7a16c3b82..000000000
--- a/engine/battle_start.asm
+++ /dev/null
@@ -1,866 +0,0 @@
-Predef_StartBattle: ; 8c20f
- call .InitGFX
- ld a, [rBGP]
- ld [wBGP], a
- ld a, [rOBP0]
- ld [wOBP0], a
- ld a, [rOBP1]
- ld [wOBP1], a
- call DelayFrame
- ld hl, hVBlank
- ld a, [hl]
- push af
- ld [hl], $1
-
-.loop
- ld a, [wJumptableIndex]
- bit 7, a
- jr nz, .done
- call FlashyTransitionToBattle
- call DelayFrame
- jr .loop
-
-.done
- ld a, [rSVBK]
- push af
- ld a, $5
- ld [rSVBK], a
-
- ld hl, UnknBGPals
- ld bc, 8 palettes
- xor a
- call ByteFill
-
- pop af
- ld [rSVBK], a
-
- ld a, %11111111
- ld [wBGP], a
- call DmgToCgbBGPals
- call DelayFrame
- xor a
- ld [hLCDCPointer], a
- ld [hLYOverrideStart], a
- ld [hLYOverrideEnd], a
- ld [hSCY], a
-
- ld a, $1
- ld [rSVBK], a
- pop af
- ld [hVBlank], a
- call DelayFrame
- ret
-; 8c26d
-
-.InitGFX: ; 8c26d
- ld a, [wLinkMode]
- cp LINK_MOBILE
- jr z, .mobile
- callba ReanchorBGMap_NoOAMUpdate
- call UpdateSprites
- call DelayFrame
- call .NonMobile_LoadPokeballTiles
- call BattleStart_LoadEDTile
- jr .resume
-
-.mobile
- call LoadTrainerBattlePokeballTiles
-
-.resume
- ld a, SCREEN_HEIGHT_PX
- ld [hWY], a
- call DelayFrame
- xor a
- ld [hBGMapMode], a
- ld hl, wJumptableIndex
- xor a
- ld [hli], a
- ld [hli], a
- ld [hl], a
- call WipeLYOverrides
- ret
-; 8c2a0
-
-.NonMobile_LoadPokeballTiles: ; 8c2a0
- call LoadTrainerBattlePokeballTiles
- hlbgcoord 0, 0
- call ConvertTrainerBattlePokeballTilesTo2bpp
- ret
-; 8c2aa
-
-LoadTrainerBattlePokeballTiles:
-; Load the tiles used in the Pokeball Graphic that fills the screen
-; at the start of every Trainer battle.
- ld de, TrainerBattlePokeballTiles
- ld hl, VTiles1 tile $7e
- ld b, BANK(TrainerBattlePokeballTiles)
- ld c, 2
- call Request2bpp
-
- ld a, [rVBK]
- push af
- ld a, $1
- ld [rVBK], a
-
- ld de, TrainerBattlePokeballTiles
- ld hl, VTiles4 tile $7e
- ld b, BANK(TrainerBattlePokeballTiles)
- ld c, 2
- call Request2bpp
-
- pop af
- ld [rVBK], a
- ret
-; 8c2cf
-
-ConvertTrainerBattlePokeballTilesTo2bpp: ; 8c2cf
- ld a, [rSVBK]
- push af
- ld a, $6
- ld [rSVBK], a
- push hl
- ld hl, wDecompressScratch
- ld bc, $28 tiles
-
-.loop
- ld [hl], -1
- inc hl
- dec bc
- ld a, c
- or b
- jr nz, .loop
-
- pop hl
- ld de, wDecompressScratch
- ld b, BANK(ConvertTrainerBattlePokeballTilesTo2bpp) ; BANK(@)
- ld c, $28
- call Request2bpp
- pop af
- ld [rSVBK], a
- ret
-; 8c2f4
-
-TrainerBattlePokeballTiles: ; 8c2f4
-INCBIN "gfx/overworld/trainer_battle_pokeball_tiles.2bpp"
-
-
-FlashyTransitionToBattle: ; 8c314
- jumptable .dw, wJumptableIndex
-; 8c323
-
-.dw ; 8c323 (23:4323)
- dw StartTrainerBattle_DetermineWhichAnimation ; 00
-
- ; Animation 1: cave
- dw StartTrainerBattle_LoadPokeBallGraphics ; 01
- dw StartTrainerBattle_SetUpBGMap ; 02
- dw StartTrainerBattle_Flash ; 03
- dw StartTrainerBattle_Flash ; 04
- dw StartTrainerBattle_Flash ; 05
- dw StartTrainerBattle_NextScene ; 06
- dw StartTrainerBattle_SetUpForWavyOutro ; 07
- dw StartTrainerBattle_SineWave ; 08
-
- ; Animation 2: cave, stronger
- dw StartTrainerBattle_LoadPokeBallGraphics ; 09
- dw StartTrainerBattle_SetUpBGMap ; 0a
- dw StartTrainerBattle_Flash ; 0b
- dw StartTrainerBattle_Flash ; 0c
- dw StartTrainerBattle_Flash ; 0d
- dw StartTrainerBattle_NextScene ; 0e
- ; There is no setup for this one
- dw StartTrainerBattle_ZoomToBlack ; 0f
-
- ; Animation 3: no cave
- dw StartTrainerBattle_LoadPokeBallGraphics ; 10
- dw StartTrainerBattle_SetUpBGMap ; 11
- dw StartTrainerBattle_Flash ; 12
- dw StartTrainerBattle_Flash ; 13
- dw StartTrainerBattle_Flash ; 14
- dw StartTrainerBattle_NextScene ; 15
- dw StartTrainerBattle_SetUpForSpinOutro ; 16
- dw StartTrainerBattle_SpinToBlack ; 17
-
- ; Animation 4: no cave, stronger
- dw StartTrainerBattle_LoadPokeBallGraphics ; 18
- dw StartTrainerBattle_SetUpBGMap ; 19
- dw StartTrainerBattle_Flash ; 1a
- dw StartTrainerBattle_Flash ; 1b
- dw StartTrainerBattle_Flash ; 1c
- dw StartTrainerBattle_NextScene ; 1d
- dw StartTrainerBattle_SetUpForRandomScatterOutro ; 1e
- dw StartTrainerBattle_SpeckleToBlack ; 1f
-
- ; All animations jump to here.
- dw StartTrainerBattle_Finish ; 20
-
-
-StartTrainerBattle_DetermineWhichAnimation: ; 8c365 (23:4365)
-; The screen flashes a different number of times depending on the level of
-; your lead Pokemon relative to the opponent's.
-; BUG: BattleMonLevel and EnemyMonLevel are not set at this point, so whatever
-; values happen to be there will determine the animation.
- ld de, 0
- ld a, [BattleMonLevel]
- add 3
- ld hl, EnemyMonLevel
- cp [hl]
- jr nc, .okay
- set 0, e
-.okay
- ld a, [wPermission]
- cp CAVE
- jr z, .okay2
- cp PERM_5
- jr z, .okay2
- cp DUNGEON
- jr z, .okay2
- set 1, e
-.okay2
- ld hl, .StartingPoints
- add hl, de
- ld a, [hl]
- ld [wJumptableIndex], a
- ret
-; 8c38f (23:438f)
-
-.StartingPoints: ; 8c38f
- db 1, 9
- db 16, 24
-; 8c393
-
-StartTrainerBattle_Finish: ; 8c393 (23:4393)
- call ClearSprites
- ld a, $80
- ld [wJumptableIndex], a
- ret
-
-StartTrainerBattle_NextScene: ; 8c39c (23:439c)
- ld hl, wJumptableIndex
- inc [hl]
- ret
-
-StartTrainerBattle_SetUpBGMap: ; 8c3a1 (23:43a1)
- call StartTrainerBattle_NextScene
- xor a
- ld [wcf64], a
- ld [hBGMapMode], a
- ret
-
-StartTrainerBattle_Flash: ; 8c3ab (23:43ab)
- call .DoFlashAnimation
- ret nc
- call StartTrainerBattle_NextScene
- ret
-
-.DoFlashAnimation: ; 8c3b3 (23:43b3)
- ld a, [wTimeOfDayPalset]
- cp %11111111 ; dark cave
- jr z, .done
- ld hl, wcf64
- ld a, [hl]
- inc [hl]
- srl a
- ld e, a
- ld d, 0
- ld hl, .pals
- add hl, de
- ld a, [hl]
- cp %00000001
- jr z, .done
- ld [wBGP], a
- call DmgToCgbBGPals
- and a
- ret
-
-.done
- xor a
- ld [wcf64], a
- scf
- ret
-; 8c3db (23:43db)
-
-.pals ; 8c3db
- db %11111001 ; 3321
- db %11111110 ; 3332
- db %11111111 ; 3333
- db %11111110 ; 3332
- db %11111001 ; 3321
- db %11100100 ; 3210
- db %10010000 ; 2100
- db %01000000 ; 1000
- db %00000000 ; 0000
- db %01000000 ; 1000
- db %10010000 ; 2100
- db %11100100 ; 3210
- db %00000001 ; 0001
-; 8c3e8
-
-StartTrainerBattle_SetUpForWavyOutro: ; 8c3e8 (23:43e8)
- callba Function5602
- ld a, $5 ; BANK(LYOverrides)
- ld [rSVBK], a
-
- call StartTrainerBattle_NextScene
-
- ld a, rSCX - $ff00
- ld [hLCDCPointer], a
- xor a
- ld [hLYOverrideStart], a
- ld a, $90
- ld [hLYOverrideEnd], a
- xor a
- ld [wcf64], a
- ld [wcf65], a
- ret
-
-StartTrainerBattle_SineWave: ; 8c408 (23:4408)
- ld a, [wcf64]
- cp $60
- jr nc, .end
- call .DoSineWave
- ret
-
-.end
- ld a, $20
- ld [wJumptableIndex], a
- ret
-
-.DoSineWave: ; 8c419 (23:4419)
- ld hl, wcf65
- ld a, [hl]
- inc [hl]
- ld hl, wcf64
- ld d, [hl]
- add [hl]
- ld [hl], a
- ld a, LYOverridesEnd - LYOverrides
- ld bc, LYOverrides
- ld e, $0
-
-.loop
- push af
- push de
- ld a, e
- call StartTrainerBattle_DrawSineWave
- ld [bc], a
- inc bc
- pop de
- ld a, e
- add $2
- ld e, a
- pop af
- dec a
- jr nz, .loop
- ret
-
-StartTrainerBattle_SetUpForSpinOutro: ; 8c43d (23:443d)
- callba Function5602
- ld a, $5 ; BANK(LYOverrides)
- ld [rSVBK], a
- call StartTrainerBattle_NextScene
- xor a
- ld [wcf64], a
- ret
-
-spintable_entry: MACRO
- db \1
- dw .wedge\2
- dwcoord \3, \4
-ENDM
-
-; quadrants
- const_def
- const UPPER_LEFT
- const UPPER_RIGHT
- const LOWER_LEFT
- const LOWER_RIGHT
-
-StartTrainerBattle_SpinToBlack: ; 8c44f (23:444f)
- xor a
- ld [hBGMapMode], a
- ld a, [wcf64]
- ld e, a
- ld d, 0
- ld hl, .spintable
-rept 5
- add hl, de
-endr
- ld a, [hli]
- cp -1
- jr z, .end
- ld [wcf65], a
- call .load
- ld a, $1
- ld [hBGMapMode], a
- call DelayFrame
- call DelayFrame
- ld hl, wcf64
- inc [hl]
- ret
-
-.end
- ld a, $1
- ld [hBGMapMode], a
- call DelayFrame
- call DelayFrame
- call DelayFrame
- xor a
- ld [hBGMapMode], a
- ld a, $20
- ld [wJumptableIndex], a
- ret
-; 8c490 (23:4490)
-
-.spintable ; 8c490
- spintable_entry UPPER_LEFT, 1, 1, 6
- spintable_entry UPPER_LEFT, 2, 0, 3
- spintable_entry UPPER_LEFT, 3, 1, 0
- spintable_entry UPPER_LEFT, 4, 5, 0
- spintable_entry UPPER_LEFT, 5, 9, 0
- spintable_entry UPPER_RIGHT, 5, 10, 0
- spintable_entry UPPER_RIGHT, 4, 14, 0
- spintable_entry UPPER_RIGHT, 3, 18, 0
- spintable_entry UPPER_RIGHT, 2, 19, 3
- spintable_entry UPPER_RIGHT, 1, 18, 6
- spintable_entry LOWER_RIGHT, 1, 18, 11
- spintable_entry LOWER_RIGHT, 2, 19, 14
- spintable_entry LOWER_RIGHT, 3, 18, 17
- spintable_entry LOWER_RIGHT, 4, 14, 17
- spintable_entry LOWER_RIGHT, 5, 10, 17
- spintable_entry LOWER_LEFT, 5, 9, 17
- spintable_entry LOWER_LEFT, 4, 5, 17
- spintable_entry LOWER_LEFT, 3, 1, 17
- spintable_entry LOWER_LEFT, 2, 0, 14
- spintable_entry LOWER_LEFT, 1, 1, 11
- db -1
-; 8c4f5
-
-.load ; 8c4f5 (23:44f5)
- ld a, [hli]
- ld e, a
- ld a, [hli]
- ld d, a
- ld a, [hli]
- ld h, [hl]
- ld l, a
-.loop
- push hl
- ld a, [de]
- ld c, a
- inc de
-.loop1
- ld [hl], $ff
- ld a, [wcf65]
- bit 0, a
- jr z, .leftside
- inc hl
- jr .okay1
-.leftside
- dec hl
-.okay1
- dec c
- jr nz, .loop1
- pop hl
- ld a, [wcf65]
- bit 1, a
- ld bc, SCREEN_WIDTH
- jr z, .upper
- ld bc, -SCREEN_WIDTH
-.upper
- add hl, bc
- ld a, [de]
- inc de
- cp -1
- ret z
- and a
- jr z, .loop
- ld c, a
-.loop2
- ld a, [wcf65]
- bit 0, a
- jr z, .leftside2
- dec hl
- jr .okay2
-.leftside2
- inc hl
-.okay2
- dec c
- jr nz, .loop2
- jr .loop
-; 8c538 (23:4538)
-
-.wedge1 db 2, 3, 5, 4, 9, -1
-.wedge2 db 1, 1, 2, 2, 4, 2, 4, 2, 3, -1
-.wedge3 db 2, 1, 3, 1, 4, 1, 4, 1, 4, 1, 3, 1, 2, 1, 1, 1, 1, -1
-.wedge4 db 4, 1, 4, 0, 3, 1, 3, 0, 2, 1, 2, 0, 1, -1
-.wedge5 db 4, 0, 3, 0, 3, 0, 2, 0, 2, 0, 1, 0, 1, 0, 1, -1
-; 8c578
-
-StartTrainerBattle_SetUpForRandomScatterOutro: ; 8c578 (23:4578)
- callba Function5602
- ld a, $5 ; BANK(LYOverrides)
- ld [rSVBK], a
- call StartTrainerBattle_NextScene
- ld a, $10
- ld [wcf64], a
- ld a, $1
- ld [hBGMapMode], a
- ret
-
-StartTrainerBattle_SpeckleToBlack: ; 8c58f (23:458f)
- ld hl, wcf64
- ld a, [hl]
- and a
- jr z, .done
- dec [hl]
- ld c, $c
-.loop
- push bc
- call .BlackOutRandomTile
- pop bc
- dec c
- jr nz, .loop
- ret
-
-.done
- ld a, $1
- ld [hBGMapMode], a
- call DelayFrame
- call DelayFrame
- call DelayFrame
- xor a
- ld [hBGMapMode], a
- ld a, $20
- ld [wJumptableIndex], a
- ret
-
-.BlackOutRandomTile: ; 8c5b8 (23:45b8)
-.y_loop
- call Random
- cp SCREEN_HEIGHT
- jr nc, .y_loop
- ld b, a
-
-.x_loop
- call Random
- cp SCREEN_WIDTH
- jr nc, .x_loop
- ld c, a
-
- hlcoord 0, -1
- ld de, SCREEN_WIDTH
- inc b
-
-.row_loop
- add hl, de
- dec b
- jr nz, .row_loop
- add hl, bc
-
-; If the tile has already been blacked out,
-; sample a new tile
- ld a, [hl]
- cp $ff
- jr z, .y_loop
- ld [hl], $ff
- ret
-
-StartTrainerBattle_LoadPokeBallGraphics: ; 8c5dc (23:45dc)
- ld a, [OtherTrainerClass]
- and a
- jp z, .nextscene ; don't need to be here if wild
-
- xor a
- ld [hBGMapMode], a
- hlcoord 0, 0, AttrMap
- ld bc, SCREEN_HEIGHT * SCREEN_WIDTH
- inc b
- inc c
- jr .enter_loop_midway
-
-.loop
-; set all pals to 7
- ld a, [hl]
- or %00000111
- ld [hli], a
-.enter_loop_midway
- dec c
- jr nz, .loop
- dec b
- jr nz, .loop
-
- call .loadpokeballgfx ; ld a, [OtherTrainerClass] \ ld de, PokeBallTransition \ ret
- hlcoord 2, 1
-
- ld b, SCREEN_WIDTH - 4
-.loop2
- push hl
- ld c, 2
-.loop3
- push hl
- ld a, [de]
- inc de
-.loop4
-; Loading is done bit by bit
- and a
- jr z, .done
- sla a
- jr nc, .no_load
- ld [hl], $fe
-.no_load
- inc hl
- jr .loop4
-
-.done
- pop hl
- push bc
- ld bc, (SCREEN_WIDTH - 4) / 2
- add hl, bc
- pop bc
- dec c
- jr nz, .loop3
-
- pop hl
- push bc
- ld bc, SCREEN_WIDTH
- add hl, bc
- pop bc
- dec b
- jr nz, .loop2
-
- ld a, [hCGB]
- and a
- jr nz, .cgb
- ld a, $1
- ld [hBGMapMode], a
- call DelayFrame
- call DelayFrame
- jr .nextscene
-
-.cgb
- ld hl, .daypals
- ld a, [TimeOfDayPal]
- and (1 << 2) - 1
- cp 3
- jr nz, .daytime
- ld hl, .nightpals
-.daytime
- ld a, [rSVBK]
- push af
- ld a, $5 ; WRAM5 = palettes
- ld [rSVBK], a
- call .copypals
- push hl
- ld de, UnknBGPals palette PAL_BG_TEXT
- ld bc, 1 palettes
- call CopyBytes
- pop hl
- ld de, BGPals palette PAL_BG_TEXT
- ld bc, 1 palettes
- call CopyBytes
- pop af
- ld [rSVBK], a
- ld a, $1
- ld [hCGBPalUpdate], a
- call DelayFrame
- call BattleStart_LoadEDTile
-
-.nextscene ; 8c673 (23:4673)
- call StartTrainerBattle_NextScene
- ret
-
-.copypals ; 8c677 (23:4677)
- ld de, UnknBGPals palette PAL_BG_TEXT
- call .copy
- ld de, BGPals palette PAL_BG_TEXT
- call .copy
- ld de, UnknOBPals palette PAL_OW_TREE
- call .copy
- ld de, OBPals palette PAL_OW_TREE
- call .copy
- ld de, UnknOBPals palette PAL_OW_ROCK
- call .copy
- ld de, OBPals palette PAL_OW_ROCK
-
-.copy ; 8c698 (23:4698)
- push hl
- ld bc, 1 palettes
- call CopyBytes
- pop hl
- ret
-; 8c6a1 (23:46a1)
-
-.daypals ; 8c6a1
- RGB 31, 18, 29
- RGB 31, 11, 15
- RGB 31, 05, 05
- RGB 07, 07, 07
-; 8c6a9
-
-.nightpals ; 8c6a9
- RGB 31, 18, 29
- RGB 31, 05, 05
- RGB 31, 05, 05
- RGB 31, 05, 05
-
-.loadpokeballgfx
- ld a, [OtherTrainerClass]
- ld de, PokeBallTransition
- ret
-
-PokeBallTransition:
- db %00000011, %11000000
- db %00001111, %11110000
- db %00111100, %00111100
- db %00110000, %00001100
- db %01100000, %00000110
- db %01100011, %11000110
- db %11000110, %01100011
- db %11111100, %00111111
- db %11111100, %00111111
- db %11000110, %01100011
- db %01100011, %11000110
- db %01100000, %00000110
- db %00110000, %00001100
- db %00111100, %00111100
- db %00001111, %11110000
- db %00000011, %11000000
-
-WipeLYOverrides: ; 8c6d8
- ld a, [rSVBK]
- push af
- ld a, $5
- ld [rSVBK], a
-
- ld hl, LYOverrides
- call .wipe
- ld hl, LYOverridesBackup
- call .wipe
-
- pop af
- ld [rSVBK], a
- ret
-; 8c6ef
-
-.wipe ; 8c6ef
- xor a
- ld c, SCREEN_HEIGHT_PX
-.loop
- ld [hli], a
- dec c
- jr nz, .loop
- ret
-; 8c6f7
-
-
-StartTrainerBattle_DrawSineWave: ; 8c6f7 (23:46f7)
- and (1 << 6) - 1
- cp 1 << 5
- jr nc, .okay
- call .DoSineWave
- ld a, h
- ret
-
-.okay
- and (1 << 5) - 1
- call .DoSineWave
- ld a, h
- xor -1 ; cpl
- inc a
- ret
-
-.DoSineWave: ; 8c70c (23:470c)
- 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
-.loop
- srl a
- jr nc, .skip
- add hl, de
-.skip
- sla e
- rl d
- and a
- jr nz, .loop
- ret
-; 8c728 (23:4728)
-
-.sinewave ; 8c728
- sine_wave $100
-; 8c768
-
-zoombox: macro
-; width, height, start y, start x
- db \1, \2
- dwcoord \3, \4
-endm
-
-StartTrainerBattle_ZoomToBlack: ; 8c768 (23:4768)
- callba Function5602
- ld de, .boxes
-
-.loop
- ld a, [de]
- cp -1
- jr z, .done
- inc de
- ld c, a
- ld a, [de]
- inc de
- ld b, a
- ld a, [de]
- inc de
- ld l, a
- ld a, [de]
- inc de
- ld h, a
- xor a
- ld [hBGMapMode], a
- call .Copy
- call WaitBGMap
- jr .loop
-
-.done
- ld a, $20
- ld [wJumptableIndex], a
- ret
-; 8c792 (23:4792)
-
-.boxes ; 8c792
- zoombox 4, 2, 8, 8
- zoombox 6, 4, 7, 7
- zoombox 8, 6, 6, 6
- zoombox 10, 8, 5, 5
- zoombox 12, 10, 4, 4
- zoombox 14, 12, 3, 3
- zoombox 16, 14, 2, 2
- zoombox 18, 16, 1, 1
- zoombox 20, 18, 0, 0
- db -1
-; 8c7b7
-
-.Copy: ; 8c7b7 (23:47b7)
- ld a, $ff
-.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
-; 8c7c9 (23:47c9)