private IEnumerator PlayMelody()
{
InitRhythmCounters();
CalculateWaitingByBpm();
yield return(new WaitForSeconds(1));
m_KeepPlaying = true;
if (m_IsPlayback)
{
m_CurrentPlaybackMusicUnitIndex = 0;
if (m_CurrentMusicSequence.m_MusicUnits.Count == 0)
{
m_KeepPlaying = false;
if (OnPlaybackEnd != null)
{
OnPlaybackEnd();
}
yield break;
}
m_CurrentMusicUnit = m_CurrentMusicSequence.m_MusicUnits.ToList()[m_CurrentPlaybackMusicUnitIndex];
m_CurrentRhythm = m_CurrentMusicUnit.m_Rhythm;
}
else
{
// Pick up first a random rhythm
m_CurrentRhythm = m_Rhythms.m_Rhythms[m_Rhythms.GetRandomWeightedIndex()];
// Set up saving data
m_CurrentMusicUnit = new MusicUnit
{
m_Rhythm = m_CurrentRhythm,
m_Notes = new List <int> [m_CurrentRhythm.Length]
};
m_CurrentMusicSequence.m_MusicUnits.Enqueue(m_CurrentMusicUnit);
if (m_CurrentMusicSequence.m_MusicUnits.Count >= m_MaxMusicUnitsToKeep)
{
m_CurrentMusicSequence.m_MusicUnits.Dequeue();
}
}
while (m_KeepPlaying)
{
// Calculate next rhythm wait time
m_NextWait = m_CurrentRhythm[m_CurrentRhythmPos] * m_WaitTimeForA16Th;
float duration = m_NextWait / 2;
bool firstBeat = m_BeatCounter == 0;
if (!m_IsPlayback)
{
// Calculate next note
if (Mathf.Approximately(m_PerlinNoise, 0f))
{
m_PerlinNoise = 1f;
}
int nextNote = ((int)Mathf.Ceil(m_PerlinNoise * m_NotesNb)) - 1;
// Ensure we stay inside boundaries
if (nextNote < 0)
{
nextNote = 0;
}
// Play note(s)
PlayNotes(nextNote, duration, firstBeat);
}
else
{
if (m_CurrentMusicUnit.m_Notes[m_CurrentRhythmPos] == null)
{
m_KeepPlaying = false;
if (OnPlaybackEnd != null)
{
OnPlaybackEnd();
}
break;
}
m_CurrentMusicUnit.m_Notes[m_CurrentRhythmPos].ForEach(note => PlayNote(note, duration, firstBeat));
}
// -------------
m_CurrentRhythmPos++;
// End of rhythm, we need to pick up a new rhythm
if (m_CurrentRhythmPos >= m_CurrentRhythm.Length)
{
if (m_IsPlayback)
{
m_CurrentPlaybackMusicUnitIndex++;
if (m_CurrentMusicSequence.m_MusicUnits.Count == m_CurrentPlaybackMusicUnitIndex)
{
m_KeepPlaying = false;
if (OnPlaybackEnd != null)
{
OnPlaybackEnd();
}
break;
}
m_CurrentMusicUnit = m_CurrentMusicSequence.m_MusicUnits.ToList()[m_CurrentPlaybackMusicUnitIndex];
m_CurrentRhythm = m_CurrentMusicUnit.m_Rhythm;
}
else
{
m_CurrentRhythm = m_Rhythms.m_Rhythms[m_Rhythms.GetRandomWeightedIndex()];
}
m_CurrentRhythmPos = 0;
if (!m_IsPlayback)
{
m_CurrentMusicUnit = new MusicUnit
{
m_Rhythm = m_CurrentRhythm,
m_Notes = new List <int> [m_CurrentRhythm.Length]
};
m_CurrentMusicSequence.m_MusicUnits.Enqueue(m_CurrentMusicUnit);
if (m_CurrentMusicSequence.m_MusicUnits.Count >= m_MaxMusicUnitsToKeep)
{
m_CurrentMusicSequence.m_MusicUnits.Dequeue();
}
}
// Increment beat as well
m_BeatCounter++;
m_BeatCounter = Mathf.Min(m_BeatCounter, m_BeatCounter % m_BeatsPerBar);
}
yield return(new WaitForSeconds(m_NextWait));
}
}
/// <summary>
/// 指定ポイント数の音声データを読み込む。
/// モノラルなら、Left/Rightどちらにも格納される。
/// </summary>
/// <param name="size">データサイズ[point]</param>
/// <returns>ファイルを完読すると、0を書き込んで返す</returns>
public MusicUnit[] Read(int size)
{
MusicUnit[] music = new MusicUnit[size]; // これにデータを格納して返す
int i;
if (this.IsOpenStatus)
{
for (i = 0; i < size && this.ReadWaveDataSize < this.file_info.Wave_Data_Size; i++)
{
if (this.ReadWaveDataSize < this.file_info.Wave_Data_Size)
{
// まず左を埋める
if (this.file_info.Resolution_Bit == 8)
{
music[i].Left = (int)reader.ReadSByte();
}
if (this.file_info.Resolution_Bit == 16)
{
music[i].Left = (int)reader.ReadInt16();
}
if (this.file_info.Resolution_Bit == 24)
{
music[i].Left = this.ReadInt24(this.reader);
}
if (this.file_info.Resolution_Bit == 32)
{
music[i].Left = (int)reader.ReadInt32();
}
// 次に、ステレオ音源なら右を埋める
switch (this.file_info.Channel)
{
case Channel.Stereo:
if (this.file_info.Resolution_Bit == 8)
{
music[i].Right = (int)reader.ReadSByte();
}
if (this.file_info.Resolution_Bit == 16)
{
music[i].Right = (int)reader.ReadInt16();
}
if (this.file_info.Resolution_Bit == 24)
{
music[i].Right = this.ReadInt24(this.reader);
}
if (this.file_info.Resolution_Bit == 32)
{
music[i].Right = (int)reader.ReadInt32();
}
break;
case Channel.Monoral:
music[i].Right = music[i].Left;
break;
}
this.ReadWaveDataSize += (UInt32)this.file_info.Block_Size; // 読み込んだデータ量を更新
}
else
{
music[i].Left = 0; // 読めるデータが無くなると、0を書き込んで返す
music[i].Right = 0;
}
}
}
return(music);
}
