pokecrystal/engine/battle/move_effects/sketch.asm

118 lines
2.0 KiB
NASM

BattleCommand_Sketch:
; sketch
call ClearLastMove
; Don't sketch during a link battle
ld a, [wLinkMode]
and a
jr z, .not_linked
call AnimateFailedMove
jp PrintNothingHappened
.not_linked
; If the opponent has a substitute up, fail.
call CheckSubstituteOpp
jp nz, .fail
; If the opponent is transformed, fail.
ld a, BATTLE_VARS_SUBSTATUS5_OPP
call GetBattleVarAddr
bit SUBSTATUS_TRANSFORMED, [hl]
jp nz, .fail
; Get the user's moveset in its party struct.
; This move replacement shall be permanent.
; Pointer will be in de.
ld a, MON_MOVES
call UserPartyAttr
ld d, h
ld e, l
; Get the battle move structs.
ld hl, wBattleMonMoves
ld a, [hBattleTurn]
and a
jr z, .get_last_move
ld hl, wEnemyMonMoves
.get_last_move
ld a, BATTLE_VARS_LAST_COUNTER_MOVE_OPP
call GetBattleVar
ld [wTypeMatchup], a
ld b, a
; Fail if move is invalid or is Struggle.
and a
jr z, .fail
cp STRUGGLE
jr z, .fail
; Fail if user already knows that move
ld c, NUM_MOVES
.does_user_already_know_move
ld a, [hli]
cp b
jr z, .fail
dec c
jr nz, .does_user_already_know_move
; Find Sketch in the user's moveset.
; Pointer in hl, and index in c.
dec hl
ld c, NUM_MOVES
.find_sketch
dec c
ld a, [hld]
cp SKETCH
jr nz, .find_sketch
inc hl
; The Sketched move is loaded to that slot.
ld a, b
ld [hl], a
; Copy the base PP from that move.
push bc
push hl
dec a
ld hl, Moves + MOVE_PP
call GetMoveAttr
pop hl
ld bc, wBattleMonPP - wBattleMonMoves
add hl, bc
ld [hl], a
pop bc
ld a, [hBattleTurn]
and a
jr z, .user_trainer
ld a, [wBattleMode]
dec a
jr nz, .user_trainer
; wildmon
ld a, [hl]
push bc
ld hl, wWildMonPP
ld b, 0
add hl, bc
ld [hl], a
ld hl, wWildMonMoves
add hl, bc
pop bc
ld [hl], b
jr .done_copy
.user_trainer
ld a, [hl]
push af
ld l, c
ld h, 0
add hl, de
ld a, b
ld [hl], a
pop af
ld de, MON_PP - MON_MOVES
add hl, de
ld [hl], a
.done_copy
call GetMoveName
call AnimateCurrentMove
ld hl, SketchedText
jp StdBattleTextBox
.fail
call AnimateFailedMove
jp PrintDidntAffect