Config to limit the moves called by Metronome (by generation)

include/constants/battle_config.h

@@ -86,6 +86,7 @@
 #define B_HEAL_BLOCKING GEN_LATEST // In Gen5+, Heal Block prevents healing by Black Sludge, Leftovers, Shell Bell. Affected Pokémon will not consume held HP-restoring Berries or Berry Juice.
  // Draining abilities will not heal but will prevent damage. In Gen6+, Heal Block prevents the use of most HP-draining moves.
 #define B_ROOTED_GROUNDING GEN_LATEST // In Gen4+, Ingrain causes the affected Pokémon to become grounded.
+#define B_METRONOME_MOVES GEN_LATEST // This config will determine up to which generation will Metronome pull moves from.
 
 // Ability settings
 #define B_EXPANDED_ABILITY_NAMES TRUE // If TRUE, ability names are increased from 12 characters to 16 characters.

src/battle_script_commands.c

@@ -11472,9 +11472,23 @@ static void Cmd_mimicattackcopy(void)
 
 static void Cmd_metronome(void)
 {
+#if B_METRONOME_MOVES >= GEN_8
+ u16 moveCount = MOVES_COUNT_GEN8;
+#elif B_METRONOME_MOVES >= GEN_7
+ u16 moveCount = MOVES_COUNT_GEN7;
+#elif B_METRONOME_MOVES >= GEN_6
+ u16 moveCount = MOVES_COUNT_GEN6;
+#elif B_METRONOME_MOVES >= GEN_5
+ u16 moveCount = MOVES_COUNT_GEN5;
+#elif B_METRONOME_MOVES >= GEN_4
+ u16 moveCount = MOVES_COUNT_GEN4;
+#elif B_METRONOME_MOVES >= GEN_3
+ u16 moveCount = MOVES_COUNT_GEN3;
+#endif
+
  while (TRUE)
  {
- gCurrentMove = (Random() % (MOVES_COUNT - 1)) + 1;
+ gCurrentMove = (Random() % (moveCount - 1)) + 1;
  if (gBattleMoves[gCurrentMove].effect == EFFECT_PLACEHOLDER)
  continue;