Move-unique effect commands consistently go in engine/battle/move_effects/

engine/battle/move_effects/metronome.asm

@@ -0,0 +1,46 @@
+BattleCommand_Metronome: ; 37418
+; metronome
+
+	call ClearLastMove
+	call CheckUserIsCharging
+	jr nz, .asm_3742b
+
+	ld a, [wKickCounter]
+	push af
+	call BattleCommand_LowerSub
+	pop af
+	ld [wKickCounter], a
+
+.asm_3742b
+	call LoadMoveAnim
+
+.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 GetBattleVarAddr
+	ld [hl], b
+	call UpdateMoveData
+	jp ResetTurn
+; 37454
+
+
+INCLUDE "data/battle/metronome_exception_moves.asm"