public bool ReadCallback(float[] data)
{
currentDataIndex = 0;
while (currentDataIndex < data.Length)
{
if (bufferedLength > 0)
{
int length = Math.Min(data.Length - currentDataIndex, bufferedLength);
Array.Copy(dataBuffer, 0, data, currentDataIndex, length);
currentDataIndex += length;
bufferedLength -= length;
if (bufferedLength > 0)
{
Array.Copy(dataBuffer, length, dataBuffer, 0, bufferedLength);
}
}
else
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_read_samples(elias.Handle, Marshal.UnsafeAddrOfPinnedArrayElement(dataBuffer, 0));
bufferedLength = elias.FramesPerBuffer * elias.ChannelCount;
EliasHelper.LogResult(r, "Failed to render");
if (r != EliasWrapper.elias_result_codes.elias_result_success)
{
return(false);
}
}
}
return(true);
}
public int GetStingerIndex(string themeName, string stingerName)
{
if (Handle == IntPtr.Zero)
{
return(0);
}
int stingerIndex;
uint tmp;
if (IsValidName(stingerName))
{
if (themeName == "")
{
themeName = GetActiveTheme();
}
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_index(Handle, themeName, stingerName, out tmp);
stingerIndex = (int)tmp;
LogResult(r, "Failed to get stinger index");
}
else
{
stingerIndex = -1;
}
return(stingerIndex);
}
public void DerserializeString(string meproContent)
{
var bytes = System.Text.Encoding.UTF8.GetBytes(meproContent);
EliasWrapper.elias_result_codes r = EliasWrapper.elias_deserialize(Handle, bytes, (uint)bytes.Length + 1, 0);
LogResult(r, meproContent);
}
public static void LogResult(EliasWrapper.elias_result_codes result, string errorMessage = "")
{
if (result != EliasWrapper.elias_result_codes.elias_result_success)
{
Debug.LogError(result + "\n" + errorMessage);
}
}
public EliasBasicInfo GetBasicInfo(string theme)
{
EliasBasicInfo info;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_theme_basic_info(Handle, theme, out info.initial_bpm, out info.initial_timesig_numerator, out info.initial_timesig_denominator, out info.bars);
LogResult(r, theme);
return(info);
}
public uint GetBusIndex(string busName)
{
uint busIndex;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_bus_index(Handle, busName, out busIndex);
LogResult(r, "Failed to get bus index for " + busName);
return(busIndex);
}
public uint GetThemeIndex(string themeName)
{
uint themeIndex;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_theme_index(Handle, themeName, out themeIndex);
LogResult(r, themeName);
return(themeIndex);
}
/// <summary>
/// Run an action preset.
/// </summary>
public void RunActionPreset(string preset, bool ignoreRequiredThemeMissmatch = false)
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_run_action_preset(elias.Handle, preset);
if (ignoreRequiredThemeMissmatch == false || r != EliasWrapper.elias_result_codes.elias_error_requiredthememismatch)
{
EliasHelper.LogResult(r, "Problems running an action preset");
}
}
/// <summary>
/// Stop the rendering of the theme. This function must not be called while any other Elias calls are in progress with the same handle in another thread.
/// The exception is if the engine has its own background threads; these will automatically be shut down.
/// IMPORTANT: This function must never use thread unsafe calls, as it can be called from either the audio thread in case of failure to render, or the main thread, (game).
/// </summary>
public void Stop()
{
isEliasStarted = false;
if (elias != null)
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_stop(elias.Handle);
EliasHelper.LogResult(r, "Problems stopping");
}
}
/// <summary>
/// Get the current theme.
/// </summary>
public string GetActiveTheme()
{
uint id = (uint)EliasWrapper.elias_get_active_theme_index(Handle, new double[0]);
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_theme_name_wrapped(Handle, id, out name);
EliasHelper.LogResult(r, "Failed to get active theme");
return(name);
}
/// <summary>
/// Lock and unlock the mixer in order to allow many changes to be made without the risk of running one or more buffers ahead in between your changes.
/// Note that multiple calls to elias_lock_mixer may be made in succession, as long as the same number of calls to elias_unlock_mixer are made (a recursive mutex, in other words).
/// If you forget to unlock the mixer, the music will stop and you will get deadlocks.
/// </summary>
public void LockMixer()
{
if (elias.Handle == IntPtr.Zero)
{
return;
}
EliasWrapper.elias_result_codes r = EliasWrapper.elias_lock_mixer(elias.Handle);
EliasHelper.LogResult(r, "Problems locking the mixer");
}
/// <summary>
/// Stop the rendering of the theme. This function must not be called while any other Elias calls are in progress with the same handle in another thread.
/// The exception is if the engine has its own background threads; these will automatically be shut down.
/// IMPORTANT: This function must never use thread unsafe calls, as it can be called from either the audio thread in case of failure to render, or the main thread, (game).
/// </summary>
public void Stop()
{
shouldStop = false;
isEliasStarted = false;
if (elias.Handle != IntPtr.Zero)
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_stop(elias.Handle);
EliasHelper.LogResult(r, "Problems stopping");
}
}
/// <summary>
/// Queue an elias_event.
/// </summary>
public void QueueEvent(elias_event @event)
{
if (elias.Handle == IntPtr.Zero)
{
return;
}
EliasWrapper.elias_result_codes r = EliasWrapper.elias_queue_event_wrapped(elias.Handle, @event);
EliasHelper.LogResult(r, "Problems queing an event");
}
/// <summary>
/// Clear all queued events.
/// </summary>
public void ClearEvents()
{
if (elias.Handle == IntPtr.Zero)
{
return;
}
EliasWrapper.elias_result_codes r = EliasWrapper.elias_clear_events(elias.Handle);
EliasHelper.LogResult(r, "Problems clearing events");
}
public uint GetTransitionPresetIndex(string transitionPresetName)
{
uint transitionPresetIndex;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_transition_preset_index(Handle, transitionPresetName, out transitionPresetIndex);
LogResult(r, "Failed to get transition preset index for " + transitionPresetName);
if (r != EliasWrapper.elias_result_codes.elias_result_success)
{
transitionPresetIndex = 0;
}
return(transitionPresetIndex);
}
public uint GetTrackIndex(string themeName, string trackName)
{
if (Handle == IntPtr.Zero)
{
return(0);
}
uint trackIndex;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_index(Handle, themeName, trackName, out trackIndex);
LogResult(r, trackName);
return(trackIndex);
}
public IList <string> GetTransitionPresets()
{
List <string> presets = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_transition_preset_count(Handle); i++)
{
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_transition_preset_name_wrapped(Handle, i, out name);
LogResult(r, i.ToString());
presets.Add(name);
}
return(presets);
}
public IList <string> GetTracksGroups()
{
List <string> tracks = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_track_group_count(Handle); i++)
{
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_group_name_wrapped(Handle, i, out name);
LogResult(r, name + " " + i);
tracks.Add(name);
}
return(tracks);
}
public IList <string> GetThemes()
{
List <string> themes = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_theme_count(Handle); i++)
{
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_theme_name_wrapped(Handle, i, out name);
LogResult(r, i.ToString());
themes.Add(name);
}
return(themes);
}
/// <summary>
/// Get the current theme.
/// </summary>
public string GetActiveTheme()
{
if (Handle == IntPtr.Zero)
{
return("");
}
uint id = (uint)EliasWrapper.elias_get_active_theme_index(Handle, null);
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_theme_name_wrapped(Handle, id, out name);
EliasHelper.LogResult(r, "Failed to get active theme");
return(name);
}
private bool StartWithActionPreset()
{
bool success;
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_action_preset_name_wrapped(elias.Handle, (uint)actionPreset, out name);
EliasHelper.LogResult(r, "Problems getting an action preset name");
string theme;
r = EliasWrapper.elias_get_action_preset_required_initial_theme_wrapped(elias.Handle, name, out theme);
EliasHelper.LogResult(r, "Problems with getting the required initial theme for an action preset");
success = StartWithActionPreset(name);
return(success);
}
private void Deserialize(string file)
{
// TODO: CAREFUL here, for safety reasons you shouldn't let this while loop unattended,
// place a timer and error check or find a different better way of waiting for the file to be done reading!
#if UNITY_ANDROID && !UNITY_EDITOR
WWW themeDataWWW = new WWW(file);
while (!themeDataWWW.isDone)
{
}
byte[] mepro = themeDataWWW.bytes;
#else
byte[] mepro = File.ReadAllBytes(file);
#endif
EliasWrapper.elias_result_codes r = EliasWrapper.elias_deserialize(Handle, mepro, (uint)mepro.Length + 1, 0);
LogResult(r, file);
}
/// <summary>
/// Start ELIAS with a elias_event_set_level event. This function must not be called from more than one thread at the same time.
/// </summary>
public bool StartTheme(elias_event_set_level setLevel)
{
if (elias.Handle == IntPtr.Zero)
{
return(false);
}
if (AudioSettings.outputSampleRate == 0)
{
Debug.LogError("Unity's AudioSettings.outputSampleRate is reporting 0, so the Elias Plugin is unable to determine what sample rate would be correct to use! " +
"This may cause the speed of the audio to play at the wrong rate. Please set a sample rate for Unity in the Project settings.");
}
EliasWrapper.elias_result_codes r = EliasWrapper.elias_start_background_wrapped(elias.Handle, setLevel, AudioSettings.outputSampleRate != 0 ? (uint)AudioSettings.outputSampleRate : (uint)eliasSampleRate, (uint)eliasFramesPerBuffer);
EliasHelper.LogResult(r, setLevel.ToString());
return(r == EliasWrapper.elias_result_codes.elias_result_success);
}
public int GetGroupIndex(string trackGroupName)
{
uint tmp;
int affectedTracksGroupIndex;
if (IsValidName(trackGroupName))
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_group_index(Handle, trackGroupName, out tmp);
affectedTracksGroupIndex = (int)tmp;
LogResult(r, trackGroupName);
}
else
{
affectedTracksGroupIndex = -1;
}
return(affectedTracksGroupIndex);
}
public IList <string> GetActionPresets()
{
if (Handle == IntPtr.Zero)
{
return(new List <string>());
}
string name;
List <string> presets = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_action_preset_count(Handle); i++)
{
EliasWrapper.elias_result_codes result = EliasWrapper.elias_get_action_preset_name_wrapped(Handle, i, out name);
LogResult(result, i.ToString());
presets.Add(name);
}
return(presets);
}
public IList <string> GetTracks(string theme)
{
if (Handle == IntPtr.Zero)
{
return(new List <string>());
}
List <string> tracks = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_track_count(Handle, theme); i++)
{
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_name_wrapped(Handle, theme, i, out name);
LogResult(r, theme);
tracks.Add(name);
}
return(tracks);
}
public IList <string> GetStingers(string theme)
{
List <string> tracks = new List <string>();
for (uint i = 0; i < EliasWrapper.elias_get_track_count(Handle, theme); i++)
{
string name;
EliasWrapper.elias_result_codes r = EliasWrapper.elias_get_track_name_wrapped(Handle, theme, i, out name);
LogResult(r, theme);
uint type;
r = EliasWrapper.elias_get_track_type(Handle, theme, name, out type);
LogResult(r, theme);
if (type == (int)elias_track_types.elias_track_audio_stinger)
{
tracks.Add(name);
}
}
return(tracks);
}
/// <summary>
/// Clear all queued events.
/// </summary>
public void ClearEvents()
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_clear_events(elias.Handle);
EliasHelper.LogResult(r, "Problems clearing events");
}
/// <summary>
/// Queue an elias_event.
/// </summary>
public void QueueEvent(elias_event @event)
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_queue_event_wrapped(elias.Handle, @event);
EliasHelper.LogResult(r, "Problems queing an event");
}
/// <summary>
/// Lock and unlock the mixer in order to allow many changes to be made without the risk of running one or more buffers ahead in between your changes.
/// Note that multiple calls to elias_lock_mixer may be made in succession, as long as the same number of calls to elias_unlock_mixer are made (a recursive mutex, in other words).
/// If you forget to unlock the mixer, the music will stop and you will get deadlocks.
/// </summary>
public void UnlockMixer()
{
EliasWrapper.elias_result_codes r = EliasWrapper.elias_unlock_mixer(elias.Handle);
EliasHelper.LogResult(r, "Problems unlocking the mixer");
}
