/
anim_commands.asm
1490 lines (1293 loc) · 22.4 KB
/
anim_commands.asm
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; Battle animation command interpreter.
PlayBattleAnim:
ldh a, [rSVBK]
push af
ld a, BANK(wActiveAnimObjects)
ldh [rSVBK], a
call _PlayBattleAnim
pop af
ldh [rSVBK], a
ret
_PlayBattleAnim:
ld c, 6
.wait
call BattleAnimDelayFrame
dec c
jr nz, .wait
call BattleAnimAssignPals
call BattleAnimRequestPals
call BattleAnimDelayFrame
ld c, 1
ldh a, [rKEY1]
bit 7, a ; check CGB double speed mode
jr nz, .got_speed
ld c, 3
.got_speed
ld hl, hVBlank
ld a, [hl]
push af
ld [hl], c
call BattleAnimRunScript
pop af
ldh [hVBlank], a
ld a, 1
ldh [hBGMapMode], a
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call WaitSFX
ret
BattleAnimRunScript:
ld a, [wFXAnimID + 1]
and a
jr nz, .hi_byte
farcall CheckBattleScene
jr c, .disabled
; This vc_hook reduces the move animation flashing in the Virtual Console for
; Fissure, Self-Destruct, Thunder, Flash, Explosion, Horn Drill, and Hyper Beam.
vc_hook Reduce_move_anim_flashing
call BattleAnimClearHud
call RunBattleAnimScript
call BattleAnimAssignPals
call BattleAnimRequestPals
vc_hook Stop_reducing_move_anim_flashing
xor a
ldh [hSCX], a
ldh [hSCY], a
call BattleAnimDelayFrame
call BattleAnimRestoreHuds
.disabled
ld a, [wNumHits]
and a
jr z, .done
ld l, a
ld h, 0
ld de, ANIM_MISS
add hl, de
ld a, l
ld [wFXAnimID], a
ld a, h
ld [wFXAnimID + 1], a
.hi_byte
call WaitSFX
call PlayHitSound
call RunBattleAnimScript
.done
call BattleAnim_RevertPals
ret
RunBattleAnimScript:
call ClearBattleAnims
.playframe
call RunBattleAnimCommand
call _ExecuteBGEffects
call BattleAnim_UpdateOAM_All
call PushLYOverrides
call BattleAnimRequestPals
; Speed up Rollout's animation.
ld a, [wFXAnimID + 1]
or a
jr nz, .not_rollout
ld a, [wFXAnimID]
cp ROLLOUT
jr nz, .not_rollout
ld a, BATTLE_BG_EFFECT_ROLLOUT
ld b, NUM_BG_EFFECTS
ld de, BG_EFFECT_STRUCT_LENGTH
ld hl, wBGEffect1Function
.find
cp [hl]
jr z, .done
add hl, de
dec b
jr nz, .find
.not_rollout
call BattleAnimDelayFrame
.done
ld a, [wBattleAnimFlags]
bit BATTLEANIM_STOP_F, a
jr z, .playframe
call BattleAnim_ClearOAM
ret
BattleAnimClearHud:
call BattleAnimDelayFrame
call WaitTop
call ClearActorHud
ld a, $1
ldh [hBGMapMode], a
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call WaitTop
ret
BattleAnimRestoreHuds:
call BattleAnimDelayFrame
call WaitTop
ldh a, [rSVBK]
push af
ld a, BANK(wCurBattleMon) ; aka BANK(wTempMon), BANK(wPartyMon1), and several others
ldh [rSVBK], a
; this block should just be "call UpdateBattleHuds"
ld hl, UpdateBattleHuds
ld a, BANK(UpdatePlayerHUD)
rst FarCall
pop af
ldh [rSVBK], a
ld a, $1
ldh [hBGMapMode], a
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call BattleAnimDelayFrame
call WaitTop
ret
BattleAnimRequestPals:
ldh a, [hCGB]
and a
ret z
ldh a, [rBGP]
ld b, a
ld a, [wBGP]
cp b
call nz, BattleAnim_SetBGPals
ldh a, [rOBP0]
ld b, a
ld a, [wOBP0]
cp b
call nz, BattleAnim_SetOBPals
ret
BattleAnimDelayFrame:
; Like DelayFrame but wastes battery life.
ld a, 1
ld [wVBlankOccurred], a
.wait
ld a, [wVBlankOccurred]
and a
jr nz, .wait
ret
ClearActorHud:
ldh a, [hBattleTurn]
and a
jr z, .player
hlcoord 1, 0
lb bc, 4, 10
call ClearBox
ret
.player
hlcoord 9, 7
lb bc, 5, 11
call ClearBox
ret
PlaceWindowOverBattleTextbox: ; unreferenced
xor a
ldh [hBGMapMode], a
; bgcoord hBGMapAddress, 0, 20
ld a, LOW(vBGMap0 + 20 * BG_MAP_WIDTH)
ldh [hBGMapAddress], a
ld a, HIGH(vBGMap0 + 20 * BG_MAP_WIDTH)
ldh [hBGMapAddress + 1], a
call WaitBGMap2
ld a, (SCREEN_HEIGHT - TEXTBOX_HEIGHT) * TILE_WIDTH
ldh [hWY], a
; bgcoord hBGMapAddress, 0, 0
xor a ; LOW(vBGMap0)
ldh [hBGMapAddress], a
ld a, HIGH(vBGMap0)
ldh [hBGMapAddress + 1], a
call BattleAnimDelayFrame
ret
BattleAnim_ClearOAM:
ld a, [wBattleAnimFlags]
bit BATTLEANIM_KEEPSPRITES_F, a
jr z, .delete
; Instead of deleting the sprites, make them all use PAL_BATTLE_OB_ENEMY
ld hl, wShadowOAMSprite00Attributes
ld c, NUM_SPRITE_OAM_STRUCTS
.loop
ld a, [hl]
and ~(PALETTE_MASK | VRAM_BANK_1) ; zeros out the palette bits
assert PAL_BATTLE_OB_ENEMY == 0
ld [hli], a
rept SPRITEOAMSTRUCT_LENGTH - 1
inc hl
endr
dec c
jr nz, .loop
ret
.delete
ld hl, wShadowOAM
ld c, wShadowOAMEnd - wShadowOAM
xor a
.loop2
ld [hli], a
dec c
jr nz, .loop2
ret
RunBattleAnimCommand:
call .CheckTimer
ret nc
call .RunScript
ret
.CheckTimer:
ld a, [wBattleAnimDelay]
and a
jr z, .done
dec a
ld [wBattleAnimDelay], a
and a
ret
.done
scf
ret
.RunScript:
.loop
call GetBattleAnimByte
cp anim_ret_command
jr nz, .not_done_with_anim
; Return from a subroutine.
ld hl, wBattleAnimFlags
bit BATTLEANIM_IN_SUBROUTINE_F, [hl]
jr nz, .do_anim
set BATTLEANIM_STOP_F, [hl]
ret
.not_done_with_anim
cp anim_obj_command
jr nc, .do_anim
ld [wBattleAnimDelay], a
ret
.do_anim
call .DoCommand
jr .loop
.DoCommand:
; Execute battle animation command in [wBattleAnimByte].
ld a, [wBattleAnimByte]
sub anim_obj_command
ld e, a
ld d, 0
ld hl, BattleAnimCommands
add hl, de
add hl, de
ld a, [hli]
ld h, [hl]
ld l, a
jp hl
BattleAnimCommands::
; entries correspond to anim_* constants (see macros/scripts/battle_anims.asm)
table_width 2, BattleAnimCommands
dw BattleAnimCmd_Obj
dw BattleAnimCmd_1GFX
dw BattleAnimCmd_2GFX
dw BattleAnimCmd_3GFX
dw BattleAnimCmd_4GFX
dw BattleAnimCmd_5GFX
dw BattleAnimCmd_IncObj
dw BattleAnimCmd_SetObj
dw BattleAnimCmd_IncBGEffect
dw BattleAnimCmd_BattlerGFX_1Row
dw BattleAnimCmd_BattlerGFX_2Row
dw BattleAnimCmd_CheckPokeball
dw BattleAnimCmd_Transform
dw BattleAnimCmd_RaiseSub
dw BattleAnimCmd_DropSub
dw BattleAnimCmd_ResetObp0
dw BattleAnimCmd_Sound
dw BattleAnimCmd_Cry
dw BattleAnimCmd_MinimizeOpp
dw BattleAnimCmd_OAMOn
dw BattleAnimCmd_OAMOff
dw BattleAnimCmd_ClearObjs
dw BattleAnimCmd_BeatUp
dw BattleAnimCmd_E7
dw BattleAnimCmd_UpdateActorPic
dw BattleAnimCmd_Minimize
dw BattleAnimCmd_EA ; dummy
dw BattleAnimCmd_EB ; dummy
dw BattleAnimCmd_EC ; dummy
dw BattleAnimCmd_ED ; dummy
dw BattleAnimCmd_IfParamAnd
dw BattleAnimCmd_JumpUntil
dw BattleAnimCmd_BGEffect
dw BattleAnimCmd_BGP
dw BattleAnimCmd_OBP0
dw BattleAnimCmd_OBP1
dw BattleAnimCmd_KeepSprites
dw BattleAnimCmd_F5
dw BattleAnimCmd_F6
dw BattleAnimCmd_F7
dw BattleAnimCmd_IfParamEqual
dw BattleAnimCmd_SetVar
dw BattleAnimCmd_IncVar
dw BattleAnimCmd_IfVarEqual
dw BattleAnimCmd_Jump
dw BattleAnimCmd_Loop
dw BattleAnimCmd_Call
dw BattleAnimCmd_Ret
assert_table_length $100 - FIRST_BATTLE_ANIM_CMD
BattleAnimCmd_EA:
BattleAnimCmd_EB:
BattleAnimCmd_EC:
BattleAnimCmd_ED:
ret
BattleAnimCmd_Ret:
ld hl, wBattleAnimFlags
res BATTLEANIM_IN_SUBROUTINE_F, [hl]
ld hl, wBattleAnimParent
ld e, [hl]
inc hl
ld d, [hl]
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
BattleAnimCmd_Call:
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
push de
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
ld hl, wBattleAnimParent
ld [hl], e
inc hl
ld [hl], d
pop de
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ld hl, wBattleAnimFlags
set BATTLEANIM_IN_SUBROUTINE_F, [hl]
ret
BattleAnimCmd_Jump:
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
BattleAnimCmd_Loop:
call GetBattleAnimByte
ld hl, wBattleAnimFlags
bit BATTLEANIM_IN_LOOP_F, [hl]
jr nz, .continue_loop
and a
jr z, .perpetual
dec a
set BATTLEANIM_IN_LOOP_F, [hl]
ld [wBattleAnimLoops], a
.continue_loop
ld hl, wBattleAnimLoops
ld a, [hl]
and a
jr z, .return_from_loop
dec [hl]
.perpetual
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
.return_from_loop
ld hl, wBattleAnimFlags
res BATTLEANIM_IN_LOOP_F, [hl]
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
inc de
inc de
ld [hl], d
dec hl
ld [hl], e
ret
BattleAnimCmd_JumpUntil:
ld hl, wBattleAnimParam
ld a, [hl]
and a
jr z, .dont_jump
dec [hl]
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
.dont_jump
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
inc de
inc de
ld [hl], d
dec hl
ld [hl], e
ret
BattleAnimCmd_SetVar:
call GetBattleAnimByte
ld [wBattleAnimVar], a
ret
BattleAnimCmd_IncVar:
ld hl, wBattleAnimVar
inc [hl]
ret
BattleAnimCmd_IfVarEqual:
call GetBattleAnimByte
ld hl, wBattleAnimVar
cp [hl]
jr z, .jump
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
inc de
inc de
ld [hl], d
dec hl
ld [hl], e
ret
.jump
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
BattleAnimCmd_IfParamEqual:
call GetBattleAnimByte
ld hl, wBattleAnimParam
cp [hl]
jr z, .jump
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
inc de
inc de
ld [hl], d
dec hl
ld [hl], e
ret
.jump
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
BattleAnimCmd_IfParamAnd:
call GetBattleAnimByte
ld e, a
ld a, [wBattleAnimParam]
and e
jr nz, .jump
ld hl, wBattleAnimAddress
ld e, [hl]
inc hl
ld d, [hl]
inc de
inc de
ld [hl], d
dec hl
ld [hl], e
ret
.jump
call GetBattleAnimByte
ld e, a
call GetBattleAnimByte
ld d, a
ld hl, wBattleAnimAddress
ld [hl], e
inc hl
ld [hl], d
ret
BattleAnimCmd_Obj:
; index, x, y, param
call GetBattleAnimByte
ld [wBattleObjectTempID], a
call GetBattleAnimByte
ld [wBattleObjectTempXCoord], a
call GetBattleAnimByte
ld [wBattleObjectTempYCoord], a
call GetBattleAnimByte
ld [wBattleObjectTempParam], a
call QueueBattleAnimation
ret
BattleAnimCmd_BGEffect:
call GetBattleAnimByte
ld [wBattleBGEffectTempID], a
call GetBattleAnimByte
ld [wBattleBGEffectTempJumptableIndex], a
call GetBattleAnimByte
ld [wBattleBGEffectTempTurn], a
call GetBattleAnimByte
ld [wBattleBGEffectTempParam], a
call _QueueBGEffect
ret
BattleAnimCmd_BGP:
call GetBattleAnimByte
ld [wBGP], a
ret
BattleAnimCmd_OBP0:
call GetBattleAnimByte
ld [wOBP0], a
ret
BattleAnimCmd_OBP1:
call GetBattleAnimByte
ld [wOBP1], a
ret
BattleAnimCmd_ResetObp0:
ldh a, [hSGB]
and a
ld a, $e0
jr z, .not_sgb
ld a, $f0
.not_sgb
ld [wOBP0], a
ret
BattleAnimCmd_ClearObjs:
; BUG: BattleAnimCmd only clears the first 6⅔ objects (see docs/bugs_and_glitches.md)
ld hl, wActiveAnimObjects
ld a, $a0
.loop
ld [hl], 0
inc hl
dec a
jr nz, .loop
ret
BattleAnimCmd_1GFX:
BattleAnimCmd_2GFX:
BattleAnimCmd_3GFX:
BattleAnimCmd_4GFX:
BattleAnimCmd_5GFX:
ld a, [wBattleAnimByte]
and $f
ld c, a
ld hl, wBattleAnimTileDict
xor a
ld [wBattleAnimGFXTempTileID], a
.loop
ld a, [wBattleAnimGFXTempTileID]
cp (vTiles1 - vTiles0) / LEN_2BPP_TILE - BATTLEANIM_BASE_TILE
vc_hook Reduce_move_anim_flashing_PRESENT
ret nc
call GetBattleAnimByte
ld [hli], a
ld a, [wBattleAnimGFXTempTileID]
ld [hli], a
push bc
push hl
ld l, a
ld h, 0
rept 4
add hl, hl
endr
ld de, vTiles0 tile BATTLEANIM_BASE_TILE
add hl, de
ld a, [wBattleAnimByte]
call LoadBattleAnimGFX
ld a, [wBattleAnimGFXTempTileID]
add c
ld [wBattleAnimGFXTempTileID], a
pop hl
pop bc
dec c
jr nz, .loop
ret
BattleAnimCmd_IncObj:
call GetBattleAnimByte
ld e, NUM_BATTLE_ANIM_STRUCTS
ld bc, wActiveAnimObjects
.loop
ld hl, BATTLEANIMSTRUCT_INDEX
add hl, bc
ld d, [hl]
ld a, [wBattleAnimByte]
cp d
jr z, .found
ld hl, BATTLEANIMSTRUCT_LENGTH
add hl, bc
ld c, l
ld b, h
dec e
jr nz, .loop
ret
.found
ld hl, BATTLEANIMSTRUCT_JUMPTABLE_INDEX
add hl, bc
inc [hl]
ret
BattleAnimCmd_IncBGEffect:
call GetBattleAnimByte
ld e, NUM_BG_EFFECTS
ld bc, wBGEffect1Function
.loop
ld hl, $0
add hl, bc
ld d, [hl]
ld a, [wBattleAnimByte]
cp d
jr z, .found
ld hl, 4
add hl, bc
ld c, l
ld b, h
dec e
jr nz, .loop
ret
.found
ld hl, BG_EFFECT_STRUCT_JT_INDEX
add hl, bc
inc [hl]
ret
BattleAnimCmd_SetObj:
call GetBattleAnimByte
ld e, NUM_BATTLE_ANIM_STRUCTS
ld bc, wActiveAnimObjects
.loop
ld hl, BATTLEANIMSTRUCT_INDEX
add hl, bc
ld d, [hl]
ld a, [wBattleAnimByte]
cp d
jr z, .found
ld hl, BATTLEANIMSTRUCT_LENGTH
add hl, bc
ld c, l
ld b, h
dec e
jr nz, .loop
ret
.found
call GetBattleAnimByte
ld hl, BATTLEANIMSTRUCT_JUMPTABLE_INDEX
add hl, bc
ld [hl], a
ret
BattleAnimCmd_BattlerGFX_1Row:
ld hl, wBattleAnimTileDict
.loop
ld a, [hl]
and a
jr z, .okay
inc hl
inc hl
jr .loop
.okay
ld a, BATTLE_ANIM_GFX_PLAYERHEAD
ld [hli], a
ld a, ($80 - 6 - 7) - BATTLEANIM_BASE_TILE
ld [hli], a
ld a, BATTLE_ANIM_GFX_ENEMYFEET
ld [hli], a
ld a, ($80 - 6) - BATTLEANIM_BASE_TILE
ld [hl], a
ld hl, vTiles0 tile ($80 - 6 - 7)
ld de, vTiles2 tile $06 ; Enemy feet start tile
ld a, 7 tiles ; Enemy pic height
ld [wBattleAnimGFXTempPicHeight], a
ld a, 7 ; Copy 7x1 tiles
call .LoadFeet
ld de, vTiles2 tile $31 ; Player head start tile
ld a, 6 tiles ; Player pic height
ld [wBattleAnimGFXTempPicHeight], a
ld a, 6 ; Copy 6x1 tiles
call .LoadFeet
ret
.LoadFeet:
push af
push hl
push de
lb bc, BANK(@), 1
call Request2bpp
pop de
ld a, [wBattleAnimGFXTempPicHeight]
ld l, a
ld h, 0
add hl, de
ld e, l
ld d, h
pop hl
ld bc, 1 tiles
add hl, bc
pop af
dec a
jr nz, .LoadFeet
ret
BattleAnimCmd_BattlerGFX_2Row:
ld hl, wBattleAnimTileDict
.loop
ld a, [hl]
and a
jr z, .okay
inc hl
inc hl
jr .loop
.okay
ld a, BATTLE_ANIM_GFX_PLAYERHEAD
ld [hli], a
ld a, ($80 - 6 * 2 - 7 * 2) - BATTLEANIM_BASE_TILE
ld [hli], a
ld a, BATTLE_ANIM_GFX_ENEMYFEET
ld [hli], a
ld a, ($80 - 6 * 2) - BATTLEANIM_BASE_TILE
ld [hl], a
ld hl, vTiles0 tile ($80 - 6 * 2 - 7 * 2)
ld de, vTiles2 tile $05 ; Enemy feet start tile
ld a, 7 tiles ; Enemy pic height
ld [wBattleAnimGFXTempPicHeight], a
ld a, 7 ; Copy 7x2 tiles
call .LoadHead
ld de, vTiles2 tile $31 ; Player head start tile
ld a, 6 tiles ; Player pic height
ld [wBattleAnimGFXTempPicHeight], a
ld a, 6 ; Copy 6x2 tiles
call .LoadHead
ret
.LoadHead:
push af
push hl
push de
lb bc, BANK(@), 2
call Request2bpp
pop de
ld a, [wBattleAnimGFXTempPicHeight]
ld l, a
ld h, 0
add hl, de
ld e, l
ld d, h
pop hl
ld bc, 2 tiles
add hl, bc
pop af
dec a
jr nz, .LoadHead
ret
BattleAnimCmd_CheckPokeball:
callfar GetPokeBallWobble
ld a, c
ld [wBattleAnimVar], a
ret
BattleAnimCmd_E7:
ret
BattleAnimCmd_Transform:
ldh a, [rSVBK]
push af
ld a, BANK(wCurPartySpecies)
ldh [rSVBK], a
ld a, [wCurPartySpecies]
push af
ldh a, [hBattleTurn]
and a
jr z, .player
ld a, [wTempBattleMonSpecies]
ld [wCurPartySpecies], a
ld hl, wBattleMonDVs
predef GetUnownLetter
ld de, vTiles0 tile $00
predef GetMonFrontpic
jr .done
.player
ld a, [wTempEnemyMonSpecies]
ld [wCurPartySpecies], a
ld hl, wEnemyMonDVs
predef GetUnownLetter
ld de, vTiles0 tile $00
predef GetMonBackpic
.done
pop af
ld [wCurPartySpecies], a
pop af
ldh [rSVBK], a
ret
BattleAnimCmd_UpdateActorPic:
ld de, vTiles0 tile $00
ldh a, [hBattleTurn]
and a
jr z, .player
ld hl, vTiles2 tile $00
ld b, 0
ld c, 7 * 7
call Request2bpp
ret
.player
ld hl, vTiles2 tile $31
ld b, 0
ld c, 6 * 6
call Request2bpp
ret
BattleAnimCmd_RaiseSub:
ldh a, [rSVBK]
push af
ld a, 1 ; unnecessary bankswitch?
ldh [rSVBK], a
xor a ; BANK(sScratch)
call OpenSRAM
GetSubstitutePic: ; used only for BANK(GetSubstitutePic)
ld hl, sScratch
ld bc, (7 * 7) tiles
.loop
xor a
ld [hli], a
dec bc
ld a, c
or b
jr nz, .loop
ldh a, [hBattleTurn]
and a
jr z, .player
ld hl, MonsterSpriteGFX + 0 tiles
ld de, sScratch + (2 * 7 + 5) tiles
call .CopyTile
ld hl, MonsterSpriteGFX + 1 tiles
ld de, sScratch + (3 * 7 + 5) tiles
call .CopyTile
ld hl, MonsterSpriteGFX + 2 tiles
ld de, sScratch + (2 * 7 + 6) tiles
call .CopyTile
ld hl, MonsterSpriteGFX + 3 tiles
ld de, sScratch + (3 * 7 + 6) tiles
call .CopyTile
ld hl, vTiles2 tile $00
ld de, sScratch
lb bc, BANK(GetSubstitutePic), 7 * 7
call Request2bpp
jr .done
.player
ld hl, MonsterSpriteGFX + 4 tiles
ld de, sScratch + (2 * 6 + 4) tiles