split out some more move effects

battle/effects/metronome.asm

@@ -0,0 +1,62 @@
+BattleCommand34: ; 37418
+; metronome
+
+	call Function0x372d8
+	call Function0x34548
+	jr nz, .asm_3742b
+
+	ld a, [$c689]
+	push af
+	call BattleCommand0a
+	pop af
+	ld [$c689], a
+
+.asm_3742b
+	call Function0x37e36
+
+.GetMove
+	call BattleRandom
+
+; No invalid moves.
+	cp NUM_ATTACKS + 1
+	jr nc, .GetMove
+
+; None of the moves in MetronomeExcepts.
+	push af
+	ld de, 1
+	ld hl, MetronomeExcepts
+	call IsInArray
+	pop bc
+	jr c, .GetMove
+
+; No moves the user already has.
+	ld a, b
+	call CheckUserMove
+	jr z, .GetMove
+
+
+	ld a, BATTLE_VARS_MOVE
+	call _GetBattleVar
+	ld [hl], b
+	call UpdateMoveData
+	jp ResetTurn
+; 37454
+
+
+MetronomeExcepts: ; 37454
+	db NO_MOVE
+	db METRONOME
+	db STRUGGLE
+	db SKETCH
+	db MIMIC
+	db COUNTER
+	db MIRROR_COAT
+	db PROTECT
+	db DETECT
+	db ENDURE
+	db DESTINY_BOND
+	db SLEEP_TALK
+	db THIEF
+	db -1
+; 37462
+