/// <summary>
/// 通过Midi生成时间序列
/// </summary>
/// <param name="fileName">Midi文件路径</param>
/// <param name="timeLine">时间序列</param>
/// <param name="rate">播放速率(New BPM = BPM * rate)</param>
/// <param name="synchroTick">节奏间隔(MidiTick),设置此项后将忽略播放速率</param>
/// <returns>时间序列</returns>
public TimeLine Serialize(string fileName, TimeLine timeLine, double rate = -1, int synchroTick = -1, ShowProgress showProgress = null)
{
try
{
if (timeLine == null)
{
timeLine = new TimeLine();
}
var midiFile = new MidiFile(fileName, false);
#region HeadParam
timeLine.Param["MidiFileFormat"].Value = midiFile.FileFormat;
timeLine.Param["MidiTracksCount"].Value = midiFile.Tracks;
timeLine.Param["MidiDeltaTicksPerQuarterNote"].Value = midiFile.DeltaTicksPerQuarterNote;
#endregion
#region Nodes
//Public Event
var timeSignature = midiFile.Events[0].OfType <TimeSignatureEvent>().FirstOrDefault();
double bpm = 0;
timeLine.BeatsPerBar = timeSignature == null ? 4 : timeSignature.Numerator;
timeLine.TicksPerBar = timeSignature == null ? midiFile.DeltaTicksPerQuarterNote * 4 : (timeSignature.Numerator * midiFile.DeltaTicksPerQuarterNote * 4) / (1 << timeSignature.Denominator);
timeLine.TicksPerBeat = timeLine.TicksPerBar / timeLine.BeatsPerBar;
#region MidiFile -> MidiNodes(Unordered)
List <MidiNode> MidiNodes = new List <MidiNode>();
//Foreach Events in MidiFile
for (int i = 0; i < midiFile.Tracks; i++)
{
//Track Events
var track = "";
var instrument = "";
var vol = -1;
var pan = -1;
foreach (MidiEvent midiEvent in midiFile.Events[i])
{
//Event BPM
if (new Regex("(?<=SetTempo )\\d+(?=bpm \\(\\d+\\))").Match(midiEvent.ToString()).Success)
{
bpm = Int32.Parse(new Regex("(?<=SetTempo )\\d+(?=bpm \\(\\d+\\))").Match(midiEvent.ToString()).Value);
if (rate > 0)
{
bpm *= rate;
}
MidiNodes.Add(new MidiNode()
{
IsEvent = true, Param = new Dictionary <string, _Node_INT>()
{
{ "BeatPerMinute", new _Node_INT()
{
Value = (int)bpm
} }, { "DeltaTickStart", new _Node_INT()
{
Value = midiEvent.DeltaTime
} }, { "MinecraftTickStart", new _Node_INT()
{
Value = 0
} }
}
});
}
//Event Track Name
if (new Regex("(?<=SequenceTrackName ).+(?=$)").Match(midiEvent.ToString()).Success)
{
track = new Regex("(?<=SequenceTrackName ).+(?=$)").Match(midiEvent.ToString()).Value;
}
//Event Instrument Name
if (new Regex("(?<=PatchChange Ch: \\d+ ).+(?=$)").Match(midiEvent.ToString()).Success)
{
instrument = new Regex("(?<=PatchChange Ch: \\d+ ).+(?=$)").Match(midiEvent.ToString()).Value;
}
//Event Track Volume
if (new Regex("(?<=MainVolume Value )\\d*(?=$)").Match(midiEvent.ToString()).Success)
{
Int32.TryParse(new Regex("(?<=MainVolume Value )\\d*(?=$)").Match(midiEvent.ToString()).Value, out vol);
}
//Event Track Pan
if (new Regex("(?<=Pan Value )\\d*(?=$)").Match(midiEvent.ToString()).Success)
{
Int32.TryParse(new Regex("(?<=Pan Value )\\d*(?=$)").Match(midiEvent.ToString()).Value, out pan);
}
if (!MidiEvent.IsNoteOff(midiEvent))
{
//Get Param
var MBT = GetMBT(midiEvent.AbsoluteTime, midiFile.DeltaTicksPerQuarterNote, timeSignature);
var EventAnalysis = AnalysisEvent(midiEvent, instrument);
//Write into MidiNodes
if (EventAnalysis != null)
{
var MidiNode = new MidiNode();
#region Param
//Time-related
MidiNode.Param["DeltaTickStart"].Value = (int)EventAnalysis.StartTick;
//MidiNode Starts Needs more Calculation
MidiNode.Param["DeltaTickDuration"].Value = (int)EventAnalysis.Length;
MidiNode.Param["MinecraftTickDuration"].Value = (int)MinecraftTickDuration(EventAnalysis.Length, midiFile.DeltaTicksPerQuarterNote, timeSignature, (int)bpm);
MidiNode.Param["BeatPerMinute"].Value = (int)bpm;
//Bar-related
MidiNode.Param["BarIndex"].Value = (int)MBT[0];
MidiNode.Param["BeatDuration"].Value = (int)MBT[1];
//Note-related
MidiNode.Param["Channel"].Value = (int)EventAnalysis.Channel;
MidiNode.Param["Pitch"].Value = (int)EventAnalysis.Pitch;
MidiNode.Param["Velocity"].Value = (int)EventAnalysis.Velocity;
MidiNode.Param["Panning"].Value = pan;
//Track-related
MidiNode.Instrument = EventAnalysis.Instrument;
MidiNode.TrackName = track;
//PlaySound-related
MidiNode.PlaySound = new PlaySoundInfo();
MidiNode.PlaySound.MandaVolume = (vol < 0) ? 100 : vol;
MidiNode.PlaySound.SetPan(pan);
//Generate Track & Instrument List
var currentTrack = timeLine.TrackList.AsEnumerable().FirstOrDefault(t => t.Name == track);
if (currentTrack == null)
{
currentTrack = new TimeLine.MidiSettingInspector {
Name = track, Type = TimeLine.MidiSettingType.Track, Enable = true
}; timeLine.TrackList.Add(currentTrack);
} //Add new Track
var currentInstrument = timeLine.InstrumentList.AsEnumerable().FirstOrDefault(ins => ins.Name == EventAnalysis.Instrument);
if (currentInstrument == null)
{
currentInstrument = new TimeLine.MidiSettingInspector {
Name = EventAnalysis.Instrument, Type = TimeLine.MidiSettingType.Instrument, Enable = true
}; timeLine.InstrumentList.Add(currentInstrument);
} //Add new Instrument
if (!currentTrack.Instruments.Any(ins => ins.Name == EventAnalysis.Instrument))
{
currentTrack.Instruments.Add(currentInstrument);
currentTrack.InstrumentsUid.Add(currentInstrument.Uid);
}//Line Track
if (!currentInstrument.Tracks.Any(t => t.Name == track))
{
currentInstrument.Tracks.Add(currentTrack);
currentInstrument.TracksUid.Add(currentTrack.Uid);
}
#endregion
MidiNodes.Add(MidiNode);
}
}
}
}
#endregion
#region MidiNodes in Order
/* Set Total Progress */ timeLine.totalProgress = MidiNodes.Count * 2;
bpm = 0;
long bpm_key_t = 0; //When BPM Changes
long bpm_key_mt = 0;
MidiNodes = (from n in MidiNodes
orderby n.Param["DeltaTickStart"].Value
select n).ToList(); //Make Nodes in Order
int synchroCount = 0;
for (int i = 0; i < MidiNodes.Count; i++) //Calculate Tick Start
{
var n = MidiNodes[i];
if (n.IsEvent)
{
if (bpm != 0)
{
bpm_key_mt = MinecraftTickStart(n.Param["DeltaTickStart"].Value, midiFile.DeltaTicksPerQuarterNote, timeSignature, bpm, bpm_key_t, bpm_key_mt);
}
bpm = n.Param["BeatPerMinute"].Value;
bpm_key_t = n.Param["DeltaTickStart"].Value;
}
else
{
n.Param["BeatPerMinute"].Value = (int)bpm;
}
if (synchroTick <= 0)
{
n.Param["MinecraftTickStart"].Value = (int)MinecraftTickStart(n.Param["DeltaTickStart"].Value, midiFile.DeltaTicksPerQuarterNote, timeSignature, bpm, bpm_key_t, bpm_key_mt);
}
else
{ //Using synchroTick
n.Param["MinecraftTickStart"].Value = n.Param["DeltaTickStart"].Value / synchroTick;
if (n.Param["DeltaTickStart"].Value % synchroTick == 0)
{
synchroCount++;
}
}
/* Update Current Progress */ timeLine.currentProgress++; if (showProgress != null && timeLine.totalProgress > 0)
{
showProgress((double)timeLine.currentProgress / timeLine.totalProgress);
}
}
timeLine.SynchronousRate = (double)synchroCount / MidiNodes.Count;
#endregion
#region MidiNodes -> TickNodes
//Creat and Set Lenth of TickNodes
if (timeLine.TickNodes == null)
{
timeLine.TickNodes = new List <TickNode>();
}
var maxTick = MidiNodes.Max(n => n.Param["MinecraftTickStart"].Value);
if (maxTick >= timeLine.TickNodes.Count)
{
var nowCount = timeLine.TickNodes.Count;
for (int i = 0; i < maxTick - nowCount + 1; i++)
{
timeLine.TickNodes.Add(new TickNode());
}
}
//MidiNodes -> TickNodes
foreach (MidiNode node in MidiNodes)
{
var index = node.Param["MinecraftTickStart"].Value;
var track = node.TrackName;
var instrument = node.Instrument;
if (timeLine.TickNodes[index].MidiTracks.ContainsKey(track) == false)
{
timeLine.TickNodes[index].MidiTracks.Add(track, new Dictionary <string, List <MidiNode> >());
}
if (timeLine.TickNodes[index].MidiTracks[track].ContainsKey(instrument) == false)
{
timeLine.TickNodes[index].MidiTracks[track].Add(instrument, new List <MidiNode>());
}
timeLine.TickNodes[index].MidiTracks[track][instrument].Add(node);
timeLine.TickNodes[index].BPM = node.Param["BeatPerMinute"].Value;
timeLine.TickNodes[index].CurrentTick = index;
/* Update Current Progress */ timeLine.currentProgress++; if (showProgress != null && timeLine.totalProgress > 0)
{
showProgress((double)timeLine.currentProgress / timeLine.totalProgress);
}
}
#endregion
timeLine.Param["TotalTicks"].Value = timeLine.TickNodes.Count;
return(timeLine);
//minecraft tick = AbsoluteTime / (bpm * ticksPerBeat) * 1200
#endregion
}
catch
{
return(null);
}
}
} //选中/取消选中元素
private void Update(TimeLine.MidiSettingInspector i)
{
if (计分板输出.IsChecked != null)
{
i.EnableScore = 计分板输出.IsChecked == true;
}
if (Playsound输出.IsChecked != null)
{
i.EnablePlaysound = Playsound输出.IsChecked == true;
}
if (小节索引.IsChecked != null)
{
i.BarIndex = 小节索引.IsChecked == true;
}
if (小节长度.IsChecked != null)
{
i.BeatDuration = 小节长度.IsChecked == true;
}
if (频道.IsChecked != null)
{
i.Channel = 频道.IsChecked == true;
}
if (键持续时间.IsChecked != null)
{
i.DeltaTickDuration = 键持续时间.IsChecked == true;
}
if (键起始时间.IsChecked != null)
{
i.DeltaTickStart = 键起始时间.IsChecked == true;
}
if (力度.IsChecked != null)
{
i.Velocity = 力度.IsChecked == true;
}
if (音高.IsChecked != null)
{
i.Pitch = 音高.IsChecked == true;
}
if (键持续刻数.IsChecked != null)
{
i.MinecraftTickDuration = 键持续刻数.IsChecked == true;
}
if (键起始刻数.IsChecked != null)
{
i.MinecraftTickStart = 键起始刻数.IsChecked == true;
}
if (Stopsound.IsChecked != null)
{
i.PlaysoundSetting.StopSound = Stopsound.IsChecked == true;
}
if (音高播放.IsChecked != null)
{
i.PlaysoundSetting.PitchPlayable = 音高播放.IsChecked == true;
}
if (播放相对坐标X.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.ExecuteCood[0] = (播放相对坐标X.Text != "") ? Double.Parse(播放相对坐标X.Text) : 0;
}
if (播放相对坐标Y.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.ExecuteCood[1] = (播放相对坐标X.Text != "") ? Double.Parse(播放相对坐标Y.Text) : 0;
}
if (播放相对坐标Z.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.ExecuteCood[2] = (播放相对坐标X.Text != "") ? Double.Parse(播放相对坐标Z.Text) : 0;
}
if (相对玩家.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.ExecuteTarget = 相对玩家.Text;
}
if (播放对象.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.PlayTarget = 播放对象.Text;
}
if (源.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.PlaySource = 源.Text;
}
if (子表达式.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.InheritExpression = (子表达式.Text != "") ? 子表达式.Text : null;
}
if (额外延时.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.ExtraDelay = (额外延时.Text != "") ? Int32.Parse(额外延时.Text) : -1;
}
if (音色名称.GetValue(TextBoxHelper.WatermarkProperty).ToString() == "")
{
i.PlaysoundSetting.SoundName = 音色名称.Text;
}
if (音量大小.Visibility == Visibility.Visible)
{
i.PlaysoundSetting.PercVolume = (音量增益.Value != -1) ? (int)(音量增益.Value * 2) : -1;
}
}
