/// <summary>
/// Begins playing the Music track.
/// </summary>
/// <param name="props">Player Properties</param>
public virtual void BeginPlay(TrackedPlayerProperties props)
{
loading = true;
musicEngine.LoadTrack(Location, (sound) => {
if (sound != null)
{
sound.Start();
if (!loading)
{
sound.Stop(); sound.Dispose();
}
else
{
Sound = sound;
}
}
loading = false;
});
}
/// <summary>
/// Do we continue playing this track?
/// </summary>
/// <param name="dt">Delta time or Change in time</param>
/// <param name="props">The properties of the current track.</param>
/// <returns>Are we still playing or do we stop?</returns>
public bool ContinuePlay(float dt, TrackedPlayerProperties props)
{
if (props.sunSlight > 3 || !ShouldPlayCaveMusic)
{
FadeOut(3);
return(false);
}
if (activeUntilMs > 0 && capi.World.ElapsedMilliseconds >= activeUntilMs)
{
// Ok, time to stop. We play the current tracks until the end and stop
bool active = IsActive;
if (!active)
{
activeUntilMs = 0;
foreach (MusicTrackPart part in Parts)
{
part.Sound?.Dispose();
}
}
return(active);
}
int quantityActive = 0;
for (int i = 0; i < Parts.Length; i++)
{
quantityActive += (Parts[i].IsPlaying || Parts[i].Loading) ? 1: 0;
}
int beforePlaying = quantityActive;
GameMath.Shuffle(rand, PartsShuffled);
for (int i = 0; i < PartsShuffled.Length; i++)
{
MusicTrackPart part = PartsShuffled[i];
if (part.Files.Length == 0)
{
continue;
}
bool isPlaying = part.IsPlaying;
bool shouldPlay = part.Applicable(capi.World, props);
// Part has recently ended
if (!isPlaying && part.Sound != null)
{
part.Sound.Dispose();
part.Sound = null;
continue;
}
// Part should be stopped
if (isPlaying && !shouldPlay)
{
if (!part.Sound.IsFadingOut)
{
part.Sound.FadeOut(3, (sound) => { part.Sound.Dispose(); part.Sound = null; });
}
continue;
}
bool shouldStart =
!isPlaying &&
shouldPlay &&
!part.Loading &&
quantityActive < maxSimultaenousTracks &&
(quantityActive == 0 || rand.NextDouble() < simultaenousTrackChance)
;
if (shouldStart)
{
AssetLocation location = part.Files[rand.Next(part.Files.Length)];
part.NowPlayingFile = location;
part.Loading = true;
musicEngine.LoadTrack(location, (sound) => {
if (sound != null)
{
sound.Start();
part.Sound = sound;
}
part.Loading = false;
});
part.StartedMs = capi.World.ElapsedMilliseconds;
quantityActive++;
}
}
return(true);
}
