Function ClearTerrainSound

Descent3/GameLoop.cpp:2853–2861

Clear out all the terrain sound bands

// Clear out all the terrain sound bands
void ClearTerrainSound() {
  for (int b = 0; b < NUM_TERRAIN_SOUND_BANDS; b++) {
    Terrain_sound_bands[b].sound_index = -1;
    Terrain_sound_bands[b].low_alt = 0;
    Terrain_sound_bands[b].high_alt = 0;
    Terrain_sound_bands[b].low_volume = 0.0;
    Terrain_sound_bands[b].high_volume = 0.0;
  }
}

// Starts the sound on the terrain
void StartTerrainSound() {