shithub: pokecrystal

ref: 93a129eb6dc261faccaf2b2d58daf3db204ab3ba
dir: /battle/effects/nightmare.asm/

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BattleCommand_Nightmare: ; 37536
; nightmare

; Can't hit an absent opponent.

	call CheckHiddenOpponent
	jr nz, .failed

; Can't hit a substitute.

	call CheckSubstituteOpp
	jr nz, .failed

; Only works on a sleeping opponent.

	ld a, BATTLE_VARS_STATUS_OPP
	call GetBattleVarAddr
	and SLP
	jr z, .failed

; Bail if the opponent is already having a nightmare.

	ld a, BATTLE_VARS_SUBSTATUS1_OPP
	call GetBattleVarAddr
	bit SUBSTATUS_NIGHTMARE, [hl]
	jr nz, .failed

; Otherwise give the opponent a nightmare.

	set SUBSTATUS_NIGHTMARE, [hl]
	call AnimateCurrentMove
	ld hl, StartedNightmareText
	jp StdBattleTextBox

.failed
	call AnimateFailedMove
	jp PrintButItFailed
; 37563