Sound has been updated. As a result snares can be collected from a bit further away as it is now harder to tell when you're about to step on it. A few string updates. Mountain terrain added. May require rope for traversal.

src/constants.nvgt

@@ -87,9 +87,35 @@ const int BANDIT_DETECTION_RADIUS = 5;
 const int BANDIT_WANDER_DIRECTION_CHANGE_MIN = 3000;
 const int BANDIT_WANDER_DIRECTION_CHANGE_MAX = 8000;
 
-// Stream audio
-const int STREAM_SOUND_RANGE = 5;
-const float STREAM_SOUND_VOLUME_STEP = 0.6;
+// Audio ranges and volume falloff
+// Formula: final_volume = start_volume - (volume_step × distance)
+// Using 30 dB fade over range for gradual but noticeable falloff
+const int AUDIO_TILE_SCALE = 10;
+const float AUDIO_PAN_STEP = 2.0;
+const float AUDIO_VOLUME_STEP = 3.0;
+const int SNARE_SOUND_RANGE = 5;
+const float SNARE_SOUND_VOLUME_STEP = 4.0;  // More audible for locating snares
+const float SNARE_SOUND_PAN_STEP = 4.0;     // Stronger pan for direction
+const int SNARE_COLLECT_RANGE = 2;
+
+const int FIRE_SOUND_RANGE = 6;
+const float FIRE_SOUND_VOLUME_STEP = 5.0;  // 30 dB over 6 tiles
+
+const int FIREPIT_SOUND_RANGE = 5;
+const float FIREPIT_SOUND_VOLUME_STEP = 6.0;  // 30 dB over 5 tiles
+
+const int STREAM_SOUND_RANGE = 7;
+const float STREAM_SOUND_VOLUME_STEP = 4.3;  // 30 dB over 7 tiles
+
+// Mountain configuration
+const int MOUNTAIN_SIZE = 60;
+const int MOUNTAIN_MIN_ELEVATION = 0;
+const int MOUNTAIN_MAX_ELEVATION = 40;
+const int MOUNTAIN_STEEP_THRESHOLD = 6;
+const int MOUNTAIN_MAX_SLOPE = 20;
+const int ROPE_CLIMB_SPEED = 1000;
+const int MOUNTAIN_STREAM_SOUND_RANGE = 7;
+const float MOUNTAIN_STREAM_VOLUME_STEP = 4.3;  // 30 dB over 7 tiles
 const int QUEST_MAX_ACTIVE = 4;
 const int QUEST_CHANCE_PER_FAVOR = 10;
 const int QUEST_MIN_CHANCE = 5;