#define SND_CLASS_SOKOBAN_EMPTYING 47
#define SND_CLASS_PLAYER_MOVING 48
#define SND_SAND_DIGGING 49
-#define SND_EMERALD_COLLECTING 50
-#define SND_EMERALD_IMPACT 51
+#define SND_CLASS_EMERALD_COLLECTING 50
+#define SND_CLASS_EMERALD_IMPACT 51
#define SND_DIAMOND_COLLECTING 52
#define SND_DIAMOND_IMPACT 53
#define SND_DIAMOND_BREAKING 54