shithub: pokecrystal

ref: 0b0db144356f88c16134571cecb090004796c90c
dir: /battle/effects/protect.asm/

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BattleCommand55: ; 37618
; protect
	call ProtectChance
	ret c

	ld a, BATTLE_VARS_SUBSTATUS1
	call _GetBattleVar
	set SUBSTATUS_PROTECT, [hl]

	call AnimateCurrentMove

	ld hl, ProtectedItselfText
	jp StdBattleTextBox
; 3762c


ProtectChance: ; 3762c

	ld de, PlayerProtectCount
	ld a, [hBattleTurn]
	and a
	jr z, .asm_37637
	ld de, EnemyProtectCount
.asm_37637

	call Function36abf
	jr nz, .failed

; Can't have a substitute.

	ld a, BATTLE_VARS_SUBSTATUS4
	call GetBattleVar
	bit SUBSTATUS_SUBSTITUTE, a
	jr nz, .failed

; Halve the chance of a successful Protect for each consecutive use.

	ld b, $ff
	ld a, [de]
	ld c, a
.loop
	ld a, c
	and a
	jr z, .done
	dec c

	srl b
	ld a, b
	and a
	jr nz, .loop
	jr .failed
.done

.rand
	call BattleRandom
	and a
	jr z, .rand

	dec a
	cp b
	jr nc, .failed

; Another consecutive Protect use.

	ld a, [de]
	inc a
	ld [de], a

	and a
	ret


.failed
	xor a
	ld [de], a
	call AnimateFailedMove
	call PrintButItFailed
	scf
	ret
; 3766f