mirror of https://github.com/pret/pokecrystal.git
831 lines
14 KiB
NASM
831 lines
14 KiB
NASM
; BattleTransitionJumptable.Jumptable indexes
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BATTLETRANSITION_CAVE EQU $01
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BATTLETRANSITION_CAVE_STRONGER EQU $09
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BATTLETRANSITION_NO_CAVE EQU $10
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BATTLETRANSITION_NO_CAVE_STRONGER EQU $18
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BATTLETRANSITION_FINISH EQU $20
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BATTLETRANSITION_END EQU $80
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DoBattleTransition:
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call .InitGFX
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ld a, [rBGP]
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ld [wBGP], a
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ld a, [rOBP0]
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ld [wOBP0], a
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ld a, [rOBP1]
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ld [wOBP1], a
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call DelayFrame
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ld hl, hVBlank
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ld a, [hl]
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push af
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ld [hl], $1
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.loop
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ld a, [wJumptableIndex]
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bit 7, a ; BATTLETRANSITION_END?
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jr nz, .done
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call BattleTransitionJumptable
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call DelayFrame
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jr .loop
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.done
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ld a, [rSVBK]
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push af
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ld a, BANK(wBGPals1)
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ld [rSVBK], a
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ld hl, wBGPals1
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ld bc, 8 palettes
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xor a
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call ByteFill
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pop af
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ld [rSVBK], a
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ld a, %11111111
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ld [wBGP], a
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call DmgToCgbBGPals
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call DelayFrame
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xor a
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ld [hLCDCPointer], a
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ld [hLYOverrideStart], a
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ld [hLYOverrideEnd], a
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ld [hSCY], a
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ld a, 1 ; unnecessary bankswitch?
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ld [rSVBK], a
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pop af
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ld [hVBlank], a
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call DelayFrame
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ret
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.InitGFX:
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ld a, [wLinkMode]
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cp LINK_MOBILE
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jr z, .mobile
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farcall ReanchorBGMap_NoOAMUpdate
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call UpdateSprites
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call DelayFrame
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call .NonMobile_LoadPokeballTiles
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call BattleStart_CopyTilemapAtOnce
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jr .resume
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.mobile
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call LoadTrainerBattlePokeballTiles
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.resume
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ld a, SCREEN_HEIGHT_PX
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ld [hWY], a
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call DelayFrame
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xor a
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ld [hBGMapMode], a
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ld hl, wJumptableIndex
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xor a
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ld [hli], a
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ld [hli], a
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ld [hl], a
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call WipeLYOverrides
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ret
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.NonMobile_LoadPokeballTiles:
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call LoadTrainerBattlePokeballTiles
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hlbgcoord 0, 0
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call ConvertTrainerBattlePokeballTilesTo2bpp
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ret
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LoadTrainerBattlePokeballTiles:
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; Load the tiles used in the Pokeball Graphic that fills the screen
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; at the start of every Trainer battle.
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ld de, TrainerBattlePokeballTiles
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ld hl, vTiles1 tile $7e
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ld b, BANK(TrainerBattlePokeballTiles)
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ld c, 2
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call Request2bpp
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ld a, [rVBK]
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push af
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ld a, $1
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ld [rVBK], a
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ld de, TrainerBattlePokeballTiles
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ld hl, vTiles4 tile $7e
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ld b, BANK(TrainerBattlePokeballTiles)
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ld c, 2
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call Request2bpp
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pop af
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ld [rVBK], a
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ret
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ConvertTrainerBattlePokeballTilesTo2bpp:
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ld a, [rSVBK]
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push af
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ld a, BANK(wDecompressScratch)
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ld [rSVBK], a
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push hl
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ld hl, wDecompressScratch
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ld bc, $28 tiles
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.loop
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ld [hl], -1
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inc hl
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dec bc
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ld a, c
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or b
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jr nz, .loop
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pop hl
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ld de, wDecompressScratch
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ld b, BANK(ConvertTrainerBattlePokeballTilesTo2bpp) ; BANK(@)
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ld c, $28
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call Request2bpp
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pop af
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ld [rSVBK], a
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ret
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TrainerBattlePokeballTiles:
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INCBIN "gfx/overworld/trainer_battle_pokeball_tiles.2bpp"
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BattleTransitionJumptable:
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jumptable .Jumptable, wJumptableIndex
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.Jumptable
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dw StartTrainerBattle_DetermineWhichAnimation ; 00
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; BATTLETRANSITION_CAVE
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dw StartTrainerBattle_LoadPokeBallGraphics ; 01
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dw StartTrainerBattle_SetUpBGMap ; 02
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dw StartTrainerBattle_Flash ; 03
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dw StartTrainerBattle_Flash ; 04
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dw StartTrainerBattle_Flash ; 05
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dw StartTrainerBattle_NextScene ; 06
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dw StartTrainerBattle_SetUpForWavyOutro ; 07
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dw StartTrainerBattle_SineWave ; 08
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; BATTLETRANSITION_CAVE_STRONGER
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dw StartTrainerBattle_LoadPokeBallGraphics ; 09
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dw StartTrainerBattle_SetUpBGMap ; 0a
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dw StartTrainerBattle_Flash ; 0b
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dw StartTrainerBattle_Flash ; 0c
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dw StartTrainerBattle_Flash ; 0d
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dw StartTrainerBattle_NextScene ; 0e
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; There is no setup for this one
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dw StartTrainerBattle_ZoomToBlack ; 0f
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; BATTLETRANSITION_NO_CAVE
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dw StartTrainerBattle_LoadPokeBallGraphics ; 10
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dw StartTrainerBattle_SetUpBGMap ; 11
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dw StartTrainerBattle_Flash ; 12
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dw StartTrainerBattle_Flash ; 13
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dw StartTrainerBattle_Flash ; 14
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dw StartTrainerBattle_NextScene ; 15
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dw StartTrainerBattle_SetUpForSpinOutro ; 16
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dw StartTrainerBattle_SpinToBlack ; 17
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; BATTLETRANSITION_NO_CAVE_STRONGER
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dw StartTrainerBattle_LoadPokeBallGraphics ; 18
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dw StartTrainerBattle_SetUpBGMap ; 19
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dw StartTrainerBattle_Flash ; 1a
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dw StartTrainerBattle_Flash ; 1b
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dw StartTrainerBattle_Flash ; 1c
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dw StartTrainerBattle_NextScene ; 1d
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dw StartTrainerBattle_SetUpForRandomScatterOutro ; 1e
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dw StartTrainerBattle_SpeckleToBlack ; 1f
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; BATTLETRANSITION_FINISH
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dw StartTrainerBattle_Finish ; 20
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; transition animations
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const_def
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const TRANS_CAVE
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const TRANS_CAVE_STRONGER
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const TRANS_NO_CAVE
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const TRANS_NO_CAVE_STRONGER
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; transition animation bits
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TRANS_STRONGER_F EQU 0 ; bit set in TRANS_CAVE_STRONGER and TRANS_NO_CAVE_STRONGER
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TRANS_NO_CAVE_F EQU 1 ; bit set in TRANS_NO_CAVE and TRANS_NO_CAVE_STRONGER
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StartTrainerBattle_DetermineWhichAnimation:
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; The screen flashes a different number of times depending on the level of
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; your lead Pokemon relative to the opponent's.
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; BUG: wBattleMonLevel and wEnemyMonLevel are not set at this point, so whatever
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; values happen to be there will determine the animation.
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ld de, 0
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ld a, [wBattleMonLevel]
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add 3
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ld hl, wEnemyMonLevel
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cp [hl]
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jr nc, .not_stronger
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set TRANS_STRONGER_F, e
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.not_stronger
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ld a, [wEnvironment]
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cp CAVE
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jr z, .cave
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cp ENVIRONMENT_5
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jr z, .cave
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cp DUNGEON
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jr z, .cave
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set TRANS_NO_CAVE_F, e
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.cave
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ld hl, .StartingPoints
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add hl, de
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ld a, [hl]
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ld [wJumptableIndex], a
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ret
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.StartingPoints:
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; entries correspond to TRANS_* constants
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db BATTLETRANSITION_CAVE
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db BATTLETRANSITION_CAVE_STRONGER
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db BATTLETRANSITION_NO_CAVE
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db BATTLETRANSITION_NO_CAVE_STRONGER
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StartTrainerBattle_Finish:
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call ClearSprites
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ld a, BATTLETRANSITION_END
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ld [wJumptableIndex], a
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ret
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StartTrainerBattle_NextScene:
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ld hl, wJumptableIndex
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inc [hl]
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ret
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StartTrainerBattle_SetUpBGMap:
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call StartTrainerBattle_NextScene
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xor a
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ld [wcf64], a
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ld [hBGMapMode], a
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ret
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StartTrainerBattle_Flash:
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call .DoFlashAnimation
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ret nc
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call StartTrainerBattle_NextScene
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ret
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.DoFlashAnimation:
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ld a, [wTimeOfDayPalset]
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cp %11111111 ; dark cave
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jr z, .done
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ld hl, wcf64
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ld a, [hl]
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inc [hl]
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srl a
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ld e, a
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ld d, 0
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ld hl, .pals
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add hl, de
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ld a, [hl]
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cp %00000001
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jr z, .done
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ld [wBGP], a
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call DmgToCgbBGPals
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and a
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ret
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.done
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xor a
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ld [wcf64], a
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scf
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ret
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.pals
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db %11111001 ; 3321
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db %11111110 ; 3332
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db %11111111 ; 3333
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db %11111110 ; 3332
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db %11111001 ; 3321
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db %11100100 ; 3210
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db %10010000 ; 2100
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db %01000000 ; 1000
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db %00000000 ; 0000
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db %01000000 ; 1000
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db %10010000 ; 2100
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db %11100100 ; 3210
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db %00000001 ; 0001
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StartTrainerBattle_SetUpForWavyOutro:
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farcall Function5602
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ld a, BANK(wLYOverrides)
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ld [rSVBK], a
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call StartTrainerBattle_NextScene
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ld a, rSCX - $ff00
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ld [hLCDCPointer], a
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xor a
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ld [hLYOverrideStart], a
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ld a, $90
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ld [hLYOverrideEnd], a
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xor a
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ld [wcf64], a
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ld [wcf65], a
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ret
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StartTrainerBattle_SineWave:
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ld a, [wcf64]
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cp $60
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jr nc, .end
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call .DoSineWave
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ret
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.end
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ld a, BATTLETRANSITION_FINISH
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ld [wJumptableIndex], a
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ret
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.DoSineWave:
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ld hl, wcf65
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ld a, [hl]
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inc [hl]
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ld hl, wcf64
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ld d, [hl]
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add [hl]
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ld [hl], a
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ld a, wLYOverridesEnd - wLYOverrides
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ld bc, wLYOverrides
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ld e, $0
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.loop
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push af
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push de
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ld a, e
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call StartTrainerBattle_DrawSineWave
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ld [bc], a
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inc bc
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pop de
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ld a, e
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add $2
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ld e, a
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pop af
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dec a
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jr nz, .loop
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ret
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StartTrainerBattle_SetUpForSpinOutro:
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farcall Function5602
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ld a, BANK(wLYOverrides)
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ld [rSVBK], a
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call StartTrainerBattle_NextScene
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xor a
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ld [wcf64], a
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ret
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StartTrainerBattle_SpinToBlack:
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xor a
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ld [hBGMapMode], a
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ld a, [wcf64]
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ld e, a
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ld d, 0
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ld hl, .spintable
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rept 5
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add hl, de
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endr
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ld a, [hli]
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cp -1
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jr z, .end
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ld [wcf65], a
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call .load
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ld a, $1
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ld [hBGMapMode], a
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call DelayFrame
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call DelayFrame
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ld hl, wcf64
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inc [hl]
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ret
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.end
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ld a, $1
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ld [hBGMapMode], a
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call DelayFrame
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call DelayFrame
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call DelayFrame
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xor a
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ld [hBGMapMode], a
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ld a, BATTLETRANSITION_FINISH
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ld [wJumptableIndex], a
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ret
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; quadrants
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const_def
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const UPPER_LEFT
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const UPPER_RIGHT
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const LOWER_LEFT
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const LOWER_RIGHT
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; quadrant bits
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RIGHT_QUADRANT_F EQU 0 ; bit set in UPPER_RIGHT and LOWER_RIGHT
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LOWER_QUADRANT_F EQU 1 ; bit set in LOWER_LEFT and LOWER_RIGHT
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.spintable
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spintable_entry: MACRO
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db \1
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dw .wedge\2
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dwcoord \3, \4
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ENDM
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spintable_entry UPPER_LEFT, 1, 1, 6
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spintable_entry UPPER_LEFT, 2, 0, 3
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spintable_entry UPPER_LEFT, 3, 1, 0
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spintable_entry UPPER_LEFT, 4, 5, 0
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spintable_entry UPPER_LEFT, 5, 9, 0
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spintable_entry UPPER_RIGHT, 5, 10, 0
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spintable_entry UPPER_RIGHT, 4, 14, 0
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spintable_entry UPPER_RIGHT, 3, 18, 0
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spintable_entry UPPER_RIGHT, 2, 19, 3
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spintable_entry UPPER_RIGHT, 1, 18, 6
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spintable_entry LOWER_RIGHT, 1, 18, 11
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spintable_entry LOWER_RIGHT, 2, 19, 14
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spintable_entry LOWER_RIGHT, 3, 18, 17
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spintable_entry LOWER_RIGHT, 4, 14, 17
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spintable_entry LOWER_RIGHT, 5, 10, 17
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spintable_entry LOWER_LEFT, 5, 9, 17
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spintable_entry LOWER_LEFT, 4, 5, 17
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spintable_entry LOWER_LEFT, 3, 1, 17
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spintable_entry LOWER_LEFT, 2, 0, 14
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spintable_entry LOWER_LEFT, 1, 1, 11
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db -1
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.load
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ld a, [hli]
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ld e, a
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ld a, [hli]
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ld d, a
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ld a, [hli]
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ld h, [hl]
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ld l, a
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.loop
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push hl
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ld a, [de]
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ld c, a
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inc de
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.loop1
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ld [hl], $ff
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ld a, [wcf65]
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bit RIGHT_QUADRANT_F, a
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jr z, .leftside
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inc hl
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jr .okay1
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.leftside
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dec hl
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.okay1
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dec c
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jr nz, .loop1
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pop hl
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ld a, [wcf65]
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bit LOWER_QUADRANT_F, a
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ld bc, SCREEN_WIDTH
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jr z, .upper
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ld bc, -SCREEN_WIDTH
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.upper
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add hl, bc
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ld a, [de]
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inc de
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cp -1
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ret z
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and a
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jr z, .loop
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ld c, a
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.loop2
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ld a, [wcf65]
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bit RIGHT_QUADRANT_F, a
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jr z, .leftside2
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dec hl
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jr .okay2
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.leftside2
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inc hl
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.okay2
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dec c
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jr nz, .loop2
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jr .loop
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.wedge1 db 2, 3, 5, 4, 9, -1
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.wedge2 db 1, 1, 2, 2, 4, 2, 4, 2, 3, -1
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.wedge3 db 2, 1, 3, 1, 4, 1, 4, 1, 4, 1, 3, 1, 2, 1, 1, 1, 1, -1
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.wedge4 db 4, 1, 4, 0, 3, 1, 3, 0, 2, 1, 2, 0, 1, -1
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.wedge5 db 4, 0, 3, 0, 3, 0, 2, 0, 2, 0, 1, 0, 1, 0, 1, -1
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StartTrainerBattle_SetUpForRandomScatterOutro:
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farcall Function5602
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ld a, BANK(wLYOverrides)
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ld [rSVBK], a
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call StartTrainerBattle_NextScene
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ld a, $10
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ld [wcf64], a
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ld a, $1
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ld [hBGMapMode], a
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ret
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StartTrainerBattle_SpeckleToBlack:
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ld hl, wcf64
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ld a, [hl]
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and a
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jr z, .done
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dec [hl]
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ld c, $c
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.loop
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push bc
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call .BlackOutRandomTile
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pop bc
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dec c
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jr nz, .loop
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ret
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.done
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ld a, $1
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ld [hBGMapMode], a
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call DelayFrame
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call DelayFrame
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call DelayFrame
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xor a
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ld [hBGMapMode], a
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ld a, BATTLETRANSITION_FINISH
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ld [wJumptableIndex], a
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ret
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.BlackOutRandomTile:
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.y_loop
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call Random
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cp SCREEN_HEIGHT
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jr nc, .y_loop
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ld b, a
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.x_loop
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call Random
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cp SCREEN_WIDTH
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jr nc, .x_loop
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ld c, a
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|
|
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:
|
|
ld a, [wOtherTrainerClass]
|
|
and a
|
|
jp z, .nextscene ; don't need to be here if wild
|
|
|
|
xor a
|
|
ld [hBGMapMode], a
|
|
hlcoord 0, 0, wAttrMap
|
|
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
|
|
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, [wTimeOfDayPal]
|
|
maskbits NUM_DAYTIMES
|
|
cp DARKNESS_F
|
|
jr nz, .daytime
|
|
ld hl, .nightpals
|
|
.daytime
|
|
ld a, [rSVBK]
|
|
push af
|
|
ld a, BANK(wBGPals1)
|
|
ld [rSVBK], a
|
|
call .copypals
|
|
push hl
|
|
ld de, wBGPals1 palette PAL_BG_TEXT
|
|
ld bc, 1 palettes
|
|
call CopyBytes
|
|
pop hl
|
|
ld de, wBGPals2 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_CopyTilemapAtOnce
|
|
|
|
.nextscene
|
|
call StartTrainerBattle_NextScene
|
|
ret
|
|
|
|
.copypals
|
|
ld de, wBGPals1 palette PAL_BG_TEXT
|
|
call .copy
|
|
ld de, wBGPals2 palette PAL_BG_TEXT
|
|
call .copy
|
|
ld de, wOBPals1 palette PAL_OW_TREE
|
|
call .copy
|
|
ld de, wOBPals2 palette PAL_OW_TREE
|
|
call .copy
|
|
ld de, wOBPals1 palette PAL_OW_ROCK
|
|
call .copy
|
|
ld de, wOBPals2 palette PAL_OW_ROCK
|
|
|
|
.copy
|
|
push hl
|
|
ld bc, 1 palettes
|
|
call CopyBytes
|
|
pop hl
|
|
ret
|
|
|
|
.daypals
|
|
INCLUDE "gfx/overworld/trainer_battle_day.pal"
|
|
|
|
.nightpals
|
|
INCLUDE "gfx/overworld/trainer_battle_nite.pal"
|
|
|
|
.loadpokeballgfx
|
|
ld a, [wOtherTrainerClass]
|
|
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:
|
|
ld a, [rSVBK]
|
|
push af
|
|
ld a, BANK(wLYOverrides)
|
|
ld [rSVBK], a
|
|
|
|
ld hl, wLYOverrides
|
|
call .wipe
|
|
ld hl, wLYOverridesBackup
|
|
call .wipe
|
|
|
|
pop af
|
|
ld [rSVBK], a
|
|
ret
|
|
|
|
.wipe
|
|
xor a
|
|
ld c, SCREEN_HEIGHT_PX
|
|
.loop
|
|
ld [hli], a
|
|
dec c
|
|
jr nz, .loop
|
|
ret
|
|
|
|
|
|
StartTrainerBattle_DrawSineWave:
|
|
calc_sine_wave
|
|
|
|
StartTrainerBattle_ZoomToBlack:
|
|
farcall 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, BATTLETRANSITION_FINISH
|
|
ld [wJumptableIndex], a
|
|
ret
|
|
|
|
.boxes
|
|
zoombox: MACRO
|
|
; width, height, start y, start x
|
|
db \1, \2
|
|
dwcoord \3, \4
|
|
ENDM
|
|
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
|
|
|
|
.Copy:
|
|
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
|
|
|
|
Unreferenced_Function8c7c9:
|
|
ld a, $1
|
|
ld [hBGMapMode], a
|
|
call WaitBGMap
|
|
xor a
|
|
ld [hBGMapMode], a
|
|
ret
|