ref: 266087909bfe28002bf81f632f8c372d10fcdee9
dir: /battle/effects/nightmare.asm/
BattleCommand52: ; 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 _GetBattleVar and SLP jr z, .failed ; Bail if the opponent is already having a nightmare. ld a, BATTLE_VARS_SUBSTATUS1_OPP call _GetBattleVar 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