private void PlaySpecialAmbient(string sound)
{
if (prevAmbience[0] != sound)
{
SoundManager.PlayAmbience(sound);
if (!string.IsNullOrEmpty(prevAmbience[0]) && prevAmbience[0] != sound)
{
SoundManager.StopAmbience(prevAmbience[0]);
}
if (!string.IsNullOrEmpty(prevAmbience[1]) && prevAmbience[1] != sound)
{
SoundManager.StopAmbience(prevAmbience[1]);
}
prevAmbience[0] = sound;
prevAmbience[1] = sound;
}
}
public void HandleAmbientSound()
{
AmbienceTimer.Update(DwarfTime.LastTime);
if (!AmbienceTimer.HasTriggered && !firstAmbience)
{
return;
}
firstAmbience = false;
// Before doing anything, determine if there is a rain or snow storm.
if (Weather.IsRaining())
{
PlaySpecialAmbient("sfx_amb_rain_storm");
return;
}
if (Weather.IsSnowing())
{
PlaySpecialAmbient("sfx_amb_snow_storm");
return;
}
// First check voxels to see if we're underground or underwater.
var vox = VoxelHelpers.FindFirstVisibleVoxelOnScreenRay(ChunkManager, GraphicsDevice.Viewport.Width / 2, GraphicsDevice.Viewport.Height / 2, Renderer.Camera, GraphicsDevice.Viewport, 100.0f, false, null);
if (vox.IsValid)
{
float height = WaterRenderer.GetTotalWaterHeightCells(ChunkManager, vox);
if (height > 0)
{
PlaySpecialAmbient("sfx_amb_ocean");
return;
}
else
{
// Unexplored voxels assumed to be cave.
if (vox.IsValid && !vox.IsExplored)
{
PlaySpecialAmbient("sfx_amb_cave");
return;
}
var above = VoxelHelpers.GetVoxelAbove(vox);
// Underground, do the cave test.
if (above.IsValid && above.IsEmpty && above.Sunlight == false)
{
PlaySpecialAmbient("sfx_amb_cave");
return;
}
}
}
else
{
return;
}
// Now check for biome ambience.
var pos = vox.WorldPosition;
var biome = Overworld.Map.GetBiomeAt(pos, Overworld.InstanceSettings.Origin);
if (biome != null && !string.IsNullOrEmpty(biome.DayAmbience))
{
if (prevAmbience[0] != biome.DayAmbience)
{
if (!string.IsNullOrEmpty(prevAmbience[0]))
{
SoundManager.StopAmbience(prevAmbience[0]);
prevAmbience[0] = null;
}
if (!string.IsNullOrEmpty(prevAmbience[1]))
{
SoundManager.StopAmbience(prevAmbience[1]);
prevAmbience[1] = null;
}
SoundManager.PlayAmbience(biome.DayAmbience);
}
prevAmbience[0] = biome.DayAmbience;
}
if (!string.IsNullOrEmpty(biome.NightAmbience) && prevAmbience[1] != biome.NightAmbience)
{
prevAmbience[1] = biome.NightAmbience;
SoundManager.PlayAmbience(biome.NightAmbience);
}
}
