#define SND_CLASS_SOKOBAN_PUSHING 43
#define SND_CLASS_SOKOBAN_FILLING 44
#define SND_CLASS_SOKOBAN_EMPTYING 45
-#define SND_EMPTY_SPACE_DIGGING 46
+#define SND_CLASS_PLAYER_MOVING 46
#define SND_SAND_DIGGING 47
#define SND_EMERALD_COLLECTING 48
#define SND_EMERALD_IMPACT 49