void OnHasKeyFrame(BMSEvent bmsEvent)
{
if (!bmsEvent.IsNote || !bmsManager.GetAllAdoptedChannels().Contains(bmsEvent.data1))
{
return;
}
bool isLongNote = bmsEvent.type == BMSEventType.LongNoteEnd || bmsEvent.type == BMSEventType.LongNoteStart, lnDown = false;
TimeSpan lnEndpos = TimeSpan.Zero;
QueuedLongNoteState queuedLNState = new QueuedLongNoteState();
if (isLongNote)
{
queuedLongNoteState.TryGetValue(bmsEvent.data1, out queuedLNState);
lnDown = queuedLNState.isNoteDown;
queuedLNState.isNoteDown = !lnDown;
if (!lnDown)
{
queuedLNState.longNoteId++;
lnEndpos = bmsEvent.time2;
}
queuedLongNoteState[bmsEvent.data1] = queuedLNState;
}
GetChannelQueue(bmsEvent.data1).Enqueue(new KeyFrame {
timePosition = bmsEvent.time,
channelId = bmsEvent.data1,
dataId = (int)bmsEvent.data2,
type = isLongNote ? (lnDown ? NoteType.LongEnd : NoteType.LongStart) : NoteType.Normal,
longNoteId = queuedLNState.longNoteId,
lnEndPosition = lnEndpos,
sliceStart = bmsEvent.sliceStart,
sliceEnd = bmsEvent.sliceEnd
});
}
void OnPreEvent(BMSEvent bmsEvent)
{
if (OnPreNoteEvent != null)
{
OnPreNoteEvent.Invoke(bmsEvent);
}
}
private void CalculateTimingPoints(List <BMSEvent> bmev)
{
BMSEvent referencePoint = DefaultReferencePoint;
for (int i = 0, l = bmev.Count; i < l; i++)
{
BMSEvent ev = bmev[i];
ev.time = TicksToTime(referencePoint, ev.ticks);
switch (ev.type)
{
case BMSEventType.BPM:
if (referencePoint.data2 != ev.data2)
{
referencePoint = ev;
}
break;
case BMSEventType.STOP:
referencePoint.time = TicksToTime(referencePoint, ev.ticks + (int)ev.data2);
ev.data2 = (referencePoint.time - ev.time).Ticks;
break;
}
bmev[i] = ev;
}
}
protected int FindEventIndex(BMSEvent ev)
{
int firstIndex = bmsEvents.BinarySearchIndex(ev, BinarySearchMethod.FirstExact);
int lastIndex = bmsEvents.BinarySearchIndex(ev, BinarySearchMethod.LastExact, firstIndex);
return(firstIndex == lastIndex ? firstIndex :
bmsEvents.IndexOf(ev, firstIndex, lastIndex - firstIndex + 1));
}
void OnPostMap(BMSEvent bmsEvent)
{
if (!bmsEvent.IsNote || !bmsManager.GetAllAdoptedChannels().Contains(bmsEvent.data1))
{
return;
}
HandleNoteEvent(bmsEvent.data1, false, false);
}
void OnEventUpdate(BMSEvent bmsEvent)
{
switch (bmsEvent.type)
{
case BMSEventType.WAV: PlayWAV((int)bmsEvent.data2, bmsEvent.sliceStart, bmsEvent.sliceEnd); break;
case BMSEventType.BMP: ChangeBGA(bmsEvent.data1, (int)bmsEvent.data2); break;
case BMSEventType.BeatReset:
bpmBasePointBeatFlow = 0;
bpmBasePoint = timePosition;
currentTimeSignature = (float)bmsEvent.Data2F;
break;
case BMSEventType.BPM:
float newBpm = (float)bmsEvent.Data2F;
bpmBasePointBeatFlow += (timePosition - bpmBasePoint).ToAccurateMinuteF() * bpm;
bpmBasePoint = timePosition;
bpm = newBpm;
CalculatePreOffset();
if (OnChangeBPM != null)
{
OnChangeBPM.Invoke(newBpm);
}
break;
case BMSEventType.STOP:
TimeSpan offset = new TimeSpan(bmsEvent.data2);
stopPosition = bmsEvent.time + offset;
bpmBasePoint -= offset;
break;
default:
if (!handledChannels.Contains(bmsEvent.data1))
{
bool shouldPlayWav = true;
if (bmsEvent.type == BMSEventType.LongNoteEnd || bmsEvent.type == BMSEventType.LongNoteStart)
{
int lnState;
if (!autoPlayLNState.TryGetValue(bmsEvent.data1, out lnState))
{
lnState = 0;
}
shouldPlayWav = lnState != bmsEvent.data2;
autoPlayLNState[bmsEvent.data1] = lnState > 0 ? 0 : bmsEvent.data1;
}
if (shouldPlayWav)
{
PlayWAV((int)bmsEvent.data2, bmsEvent.sliceStart, bmsEvent.sliceEnd);
}
}
if (OnNoteEvent != null)
{
OnNoteEvent.Invoke(bmsEvent);
}
break;
}
}
protected int AddEvent(BMSEvent ev)
{
if (ev.IsNote)
{
allChannels.Add(ev.data1);
maxCombos++;
}
return(bmsEvents.InsertInOrdered(ev));
}
private TimeSpan TicksToTime(BMSEvent referencePoint, int currentTicks)
{
return(referencePoint.time + new TimeSpan(
(long)Math.Round(
(double)(currentTicks - referencePoint.ticks) / tickResoultion /
referencePoint.Data2F *
TimeSpan.TicksPerMinute
)
));
}
void NoteEvent(BMSEvent bmsEvent)
{
if (autoMode)
{
if (!bmsManager.GetAllAdoptedChannels().Contains(bmsEvent.data1))
{
return;
}
HandleNoteEvent(bmsEvent.data1, true, bmsEvent.type == BMSEventType.LongNoteStart || bmsEvent.type == BMSEventType.Note);
}
}
protected void ReplaceEvent(int index, BMSEvent newEv)
{
BMSEvent original = bmsEvents[index];
if (original.CompareTo(newEv) == 0)
{
bmsEvents[index] = newEv;
return;
}
bmsEvents.RemoveAt(index);
bmsEvents.InsertInOrdered(newEv);
}
// Insert beat reset after 1 measure of time signature change event according to BMS specifications.
private static void BeatResetFix(ExtendedSortedSet <BMSEvent> bmev)
{
BMSEvent[] beatResetEvents = bmev.Where(ev => ev.type == BMSEventType.BeatReset).ToArray();
for (int i = 0, l = beatResetEvents.Length; i < l; i++)
{
BMSEvent currentEv = beatResetEvents[i];
int meas = currentEv.measure;
if (i == l - 1 || (beatResetEvents[i + 1].measure - meas > 1 &&
currentEv.Data2F != 1))
{
bmev.Add(new BMSEvent {
measure = meas + 1,
beat = 0,
Data2F = 1,
type = BMSEventType.BeatReset
}, InsertMode.OldFirst);
}
}
}
private TimeSpan CalculateTime(List <BMSEvent> bmev, int ticks)
{
int index = bmev.BinarySearchIndex(
new BMSEvent {
ticks = ticks
},
BinarySearchMethod.FloorClosest | BinarySearchMethod.LastExact,
0, -1, TicksComparer.instance
);
BMSEvent lastReferencePoint = DefaultReferencePoint;
TimeSpan stopOffset = TimeSpan.Zero;
while (index >= 0)
{
lastReferencePoint = bmev[index];
bool found = false;
switch (lastReferencePoint.type)
{
case BMSEventType.BPM:
lastReferencePoint.time += stopOffset;
found = true;
break;
case BMSEventType.STOP:
stopOffset += new TimeSpan(lastReferencePoint.data2);
break;
}
if (found)
{
break;
}
index--;
}
return(TicksToTime(lastReferencePoint, ticks));
}
private void PostProcessContent(ExtendedSortedSet <BMSEvent> bmev)
{
Dictionary <int, BMSEvent> lnMarker = new Dictionary <int, BMSEvent>();
double bpm = initialBPM, beatOffset = 0, beatPerMeas = 1;
TimeSpan referenceTimePoint = TimeSpan.Zero;
TimeSpan stopTimePoint = TimeSpan.Zero;
float stopMeasBeat = 0;
EnsureCapacity(bmev.Count + 1);
AddEvent(new BMSEvent {
measure = 0,
beat = 0,
type = BMSEventType.BPM,
Data2F = bpm
});
foreach (BMSEvent ev in bmev)
{
BMSEvent converted = new BMSEvent {
measure = ev.measure,
beat = (float)(ev.beat * beatPerMeas),
};
if (ev.measure + ev.beat == stopMeasBeat)
{
converted.time = stopTimePoint;
}
else
{
converted.time = referenceTimePoint + MeasureBeatToTimeSpan(ev.measure + ev.beat - beatOffset, beatPerMeas, bpm);
}
switch (ev.type)
{
case BMSEventType.BPM:
double newBpm;
if (ev.data1 == 8 && TryGetResourceData(ResourceType.bpm, ev.data2, out BMSResourceData bpmData)) // Extended BPM
{
newBpm = Convert.ToDouble(bpmData.additionalData);
}
else if (ev.data1 == 3 && int.TryParse(Base36.Encode((int)ev.data2), NumberStyles.HexNumber, null, out int bpmInt)) // BPM
{
newBpm = bpmInt;
}
else
{
continue;
}
if (newBpm == bpm)
{
continue;
}
converted.type = BMSEventType.BPM;
converted.Data2F = newBpm;
referenceTimePoint = converted.time;
beatOffset = ev.measure + ev.beat;
bpm = newBpm;
minBpm = Math.Min(minBpm, (float)newBpm);
break;
case BMSEventType.BeatReset:
double newBeatPerMeas = ev.Data2F;
if (newBeatPerMeas == beatPerMeas)
{
continue;
}
converted.type = BMSEventType.BeatReset;
converted.Data2F = ev.Data2F * 4;
beatOffset = ev.measure;
beatPerMeas = newBeatPerMeas;
referenceTimePoint = converted.time;
break;
case BMSEventType.STOP:
if (!TryGetResourceData(ResourceType.stop, ev.data2, out BMSResourceData stopData))
{
continue;
}
double stopSeconds = Convert.ToDouble(stopData.additionalData) / bpm * 1.25;
if (stopSeconds <= 0)
{
continue;
}
converted.type = BMSEventType.STOP;
stopTimePoint = converted.time;
stopMeasBeat = ev.measure + ev.beat;
TimeSpan stopTime = new TimeSpan((long)Math.Round(stopSeconds * TimeSpan.TicksPerSecond));
converted.data2 = stopTime.Ticks;
referenceTimePoint += stopTime;
break;
case BMSEventType.BMP:
converted.type = BMSEventType.BMP;
switch (ev.data1)
{
case 4: converted.data1 = 0; break;
case 6: converted.data1 = -1; break;
case 7: converted.data1 = 1; break;
default: continue;
}
converted.data2 = ev.data2;
break;
case BMSEventType.LongNoteStart:
converted.data1 = ev.data1 - 40;
converted.data2 = ev.data2;
converted.sliceStart = TimeSpan.Zero;
converted.sliceEnd = TimeSpan.MaxValue;
if (lnMarker.TryGetValue(ev.data1, out BMSEvent lnStart))
{
converted.type = BMSEventType.LongNoteEnd;
int index = FindEventIndex(lnStart);
lnStart.time2 = converted.time;
ReplaceEvent(index, lnStart);
lnMarker.Remove(ev.data1);
}
else
{
converted.type = BMSEventType.LongNoteStart;
lnMarker[ev.data1] = converted;
}
break;
case BMSEventType.Unknown:
continue;
default:
if ((ev.data1 >= 30 && ev.data1 <= 50) || ev.data1 >= 70)
{
continue;
}
converted.type = ev.type;
converted.data1 = ev.data1;
converted.data2 = ev.data2;
converted.sliceStart = TimeSpan.Zero;
converted.sliceEnd = TimeSpan.MaxValue;
break;
}
AddEvent(converted);
}
}
public void AddEvent(BMSEvent bmsEvent) => eventTree.Add(bmsEvent);
private void ParseSoundChannel(List <BMSEvent> bmev, IJsonWrapper rawData, int index)
{
string name = rawData.GetChild("name").AsString();
if (string.IsNullOrEmpty(name))
{
return;
}
AddResource(ResourceType.wav, index, name);
BMSEvent? lastEvent = null;
TimeSpan slicedPosition = TimeSpan.Zero;
IList <BMSEvent> events = Events;
foreach (IJsonWrapper note in rawData.GetChild("notes").GetChilds())
{
BMSEvent currentEvent;
int ticks = note.GetChild("y").AsInt32();
int channelId = GetChannelMap(note.GetChild("x").AsInt32());
int length = note.GetChild("l").AsInt32();
TimeSpan currentTime = CalculateTime(bmev, ticks);
if (lastEvent.HasValue)
{
currentEvent = lastEvent.Value;
int lastIndex = FindEventIndex(currentEvent);
if (note.GetChild("c").AsBoolean())
{
currentEvent.sliceEnd = slicedPosition = currentTime - currentEvent.time + currentEvent.sliceStart;
}
else
{
currentEvent.sliceEnd = TimeSpan.MaxValue;
slicedPosition = TimeSpan.Zero;
}
ReplaceEvent(lastIndex, currentEvent);
}
if (length > 0)
{
TimeSpan endTime = CalculateTime(bmev, ticks + length);
lastEvent = currentEvent = new BMSEvent {
type = BMSEventType.LongNoteStart,
ticks = ticks,
time = currentTime,
data1 = channelId,
data2 = index,
time2 = endTime - currentTime,
sliceStart = slicedPosition,
sliceEnd = TimeSpan.MaxValue
};
AddEvent(currentEvent);
AddEvent(new BMSEvent {
type = BMSEventType.LongNoteEnd,
ticks = ticks + length,
time = endTime,
data1 = channelId,
data2 = index
});
}
else
{
lastEvent = currentEvent = new BMSEvent {
type = channelId == 0 ? BMSEventType.WAV : BMSEventType.Note,
ticks = ticks,
time = currentTime,
data1 = channelId,
data2 = index,
sliceStart = slicedPosition,
sliceEnd = TimeSpan.MaxValue
};
AddEvent(currentEvent);
}
}
}
