ref: 091ebd857401590648e141192735bc2d055adbd5
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 Function0x37e01 ld hl, StartedNightmareText jp StdBattleTextBox .failed call Function0x37e77 jp PrintButItFailed ; 37563