pokecrystal-board/engine/battle/move_effects/substitute.asm

89 lines
1.4 KiB
NASM

BattleCommand_Substitute:
; substitute
call BattleCommand_MoveDelay
ld hl, wBattleMonMaxHP
ld de, wPlayerSubstituteHP
ldh a, [hBattleTurn]
and a
jr z, .got_hp
ld hl, wEnemyMonMaxHP
ld de, wEnemySubstituteHP
.got_hp
ld a, BATTLE_VARS_SUBSTATUS4
call GetBattleVar
bit SUBSTATUS_SUBSTITUTE, a
jr nz, .already_has_sub
ld a, [hli]
ld b, [hl]
srl a
rr b
srl a
rr b
dec hl
dec hl
ld a, b
ld [de], a
ld a, [hld]
sub b
ld e, a
ld a, [hl]
sbc 0
ld d, a
jr c, .too_weak_to_sub
ld a, d
or e
jr z, .too_weak_to_sub
ld [hl], d
inc hl
ld [hl], e
ld a, BATTLE_VARS_SUBSTATUS4
call GetBattleVarAddr
set SUBSTATUS_SUBSTITUTE, [hl]
ld hl, wPlayerWrapCount
ld de, wPlayerTrappingMove
ldh a, [hBattleTurn]
and a
jr z, .player
ld hl, wEnemyWrapCount
ld de, wEnemyTrappingMove
.player
xor a
ld [hl], a
ld [de], a
call _CheckBattleScene
jr c, .no_anim
xor a
ld [wNumHits], a
ld [wFXAnimID + 1], a
ld [wBattleAnimParam], a
ld a, SUBSTITUTE
call LoadAnim
jr .finish
.no_anim
call BattleCommand_RaiseSubNoAnim
.finish
ld hl, MadeSubstituteText
call StdBattleTextbox
jp RefreshBattleHuds
.already_has_sub
call CheckUserIsCharging
call nz, BattleCommand_RaiseSub
ld hl, HasSubstituteText
jr .jp_stdbattletextbox
.too_weak_to_sub
call CheckUserIsCharging
call nz, BattleCommand_RaiseSub
ld hl, TooWeakSubText
.jp_stdbattletextbox
jp StdBattleTextbox