void adjustCurvePoint(Vector3 center, Vector3 vertexOffset, int side, TrackProps trackProps, LineVertex[] lineVerts, int vertIndex, float step, float lineWidth)
{
Vector3 curPos = center + vertexOffset * side;
Vector3 dummyCenter, dummyNormal, newVerteexOffset;
getCurvePoint(out dummyCenter, out dummyNormal, out newVerteexOffset, step, curPos.X, trackProps, lineWidth);
float newPosX = curPos.X + newVerteexOffset.X * side;
lineVerts[vertIndex].pos = curPos;
if (curPos.X > center.X != newPosX > curPos.X)
{
int prevIndex = Math.Max(vertIndex - 2, 3);
Vector3 prevPos = lineVerts[prevIndex].pos;
lineVerts[vertIndex].pos = prevPos;
//int keyIndex;
//float timeT = Project.getTimeT(center.X);
//keyIndex = trackProps.TrackView.Curve.Keys.IndexAtPosition(timeT);
//if (curPos.X < center.X)
// keyIndex--;
//if (keyIndex < trackProps.TrackView.Curve.Keys.Count)
//{
// CurveKey key = trackProps.TrackView.Curve.Keys[keyIndex];
// lineVerts[vertIndex].pos.X = Project.getScreenPosX((int)key.Position);
// //lineVerts[vertIndex].pos.Y = Project.getScreenPosY(key.Value) + (float)LineWidth / 2 * side;
// lineVerts[vertIndex].pos.Y = lineVerts[vertIndex-2].pos.Y;
//}
}
lineVerts[vertIndex].normal = (lineVerts[vertIndex].pos - center) * -side;
lineVerts[vertIndex].normal.Normalize();
}
public override void drawTrack(Midi.Track midiTrack, TrackProps trackProps, MaterialProps texMaterial)
{
float songPosP;
base.drawTrack(midiTrack, trackProps, texMaterial, out songPosP);
trackProps.TrackView.OcTree.drawGeo(Project.Props.Camera);
}
public void createGeo(Midi.Track midiTrack, TrackProps trackProps, TrackProps globalTrackProps, MaterialProps texMaterial)
{
_createGeoChunk(out _geo, _bbox, midiTrack, trackProps, texMaterial);
return;
if (_nodes != null)
{
foreach (var node in _nodes)
{
if (node == null)
{
continue;
}
node.createGeo(midiTrack, trackProps, globalTrackProps, texMaterial);
}
}
}
public override void drawTrack(Midi.Track midiTrack, TrackProps trackProps, MaterialProps texMaterial)
{
float songPosP;
base.drawTrack(midiTrack, trackProps, texMaterial, out songPosP);
List <Midi.Note> noteList = midiTrack.Notes;
//List<Midi.Note> noteList = getNotes(0, midiTrack, songDrawProps);
if (noteList.Count == 0)
{
return;
}
//this.trackProps = trackProps;
fx.Parameters["LineType"].SetValue((int)LineType);
fx.Parameters["HlSize"].SetValue(VpHlSize / 2.0f);
float radius = (float)VpLineWidth / 2.0f;
fx.Parameters["Radius"].SetValue(radius);
fx.Parameters["InnerHlSize"].SetValue(0.0f);
fx.CurrentTechnique = fx.Techniques["Line"];
fx.Parameters["DiscardAtOnce"].SetValue(true);
fx.CurrentTechnique.Passes[0].Apply();
trackProps.TrackView.OcTree.drawGeo(Project.Props.Camera);
fx.Parameters["DiscardAtOnce"].SetValue(false);
fx.CurrentTechnique.Passes[0].Apply();
trackProps.TrackView.OcTree.drawGeo(Project.Props.Camera);
DepthStencilState oldDss = GraphicsDevice.DepthStencilState;
GraphicsDevice.DepthStencilState = DepthStencilState.None;
drawHighLights(midiTrack, trackProps, songPosP);
GraphicsDevice.DepthStencilState = oldDss;
}
public bool areObjectsInFrustum(BoundingFrustum frustum, float songPos, Project project, TrackProps trackProps)
{
foreach (var bbox in _geo.bboxes)
{
BoundingBoxEx bb = bbox.clone();
bb.scale(new Vector3(project.ViewWidthQnScale, 1, 1));
Vector3 posOffset = project.getSpatialNormPosOffset(trackProps);
posOffset.X -= songPos;
bb.translate(posOffset);
if (bb.intersects(frustum))
{
return(true);
}
}
return(false);
}
public override void createGeoChunk(out Geo geo, BoundingBox bbox, Midi.Track midiTrack, TrackProps trackProps, MaterialProps texMaterial)
{
BarGeo barGeo = new BarGeo();
geo = barGeo;
List <Midi.Note> noteList = midiTrack.Notes;
if (noteList.Count == 0)
{
return;
}
float halfNoteHeight = Project.Props.NoteHeight / 2;
int instanceIndex = 0;
for (int n = 0; n < noteList.Count; n++)
{
Midi.Note note = noteList[n];
if (note.start > Project.Notes.SongLengthT) //only if audio ends before the notes end
{
continue;
}
Vector2 noteStart = Project.getScreenPos(note.start, note.pitch);
Vector2 noteEnd = Project.getScreenPos(note.stop, note.pitch);
//Create bounding boxes
Vector3 boxMin = new Vector3(noteStart.X, noteStart.Y - halfNoteHeight, 0);
Vector3 boxMax = new Vector3(noteEnd.X, noteEnd.Y + halfNoteHeight, 0);
geo.bboxes.Add(new BoundingBoxEx(boxMin, boxMax));
//Create inctance data
Vector2 topLeft_world = new Vector2(noteStart.X, noteStart.Y - halfNoteHeight);
Vector2 size_world = new Vector2(noteEnd.X - noteStart.X, halfNoteHeight * 2 - 0.001f);
Vector2 topLeft_tex = topLeft_world;
Vector2 size_tex = size_world;
Texture2D texture = texMaterial.TexProps.Texture;
if (texture != null)
{
Vector2 texSize = new Vector2(texture.Width, texture.Height);
calcRectTexCoords(out topLeft_tex, out size_tex, texSize, topLeft_world, size_world, texMaterial);
}
instanceVerts[instanceIndex].destRect = new Vector4(topLeft_world.X, topLeft_world.Y, size_world.X, size_world.Y);
instanceVerts[instanceIndex].srcRect = new Vector4(topLeft_tex.X, topLeft_tex.Y, size_tex.X, size_tex.Y);
if (++instanceIndex >= MaxInstances - 1)
{
createVb(ref instanceIndex, barGeo);
}
}
if (instanceIndex > 0)
{
createVb(ref instanceIndex, barGeo);
}
}
public NoteStyle_Bar(TrackProps tprops)
: base(tprops)
{
styleType = NoteStyleType.Bar;
}
public NoteStyle_Line(TrackProps tprops)
: base(tprops)
{
styleType = NoteStyleType.Line;
}
void drawHighLights(Midi.Track midiTrack, TrackProps trackProps, float songPosP)
{
List <Midi.Note> noteList = midiTrack.Notes;
int hlNoteIndex = midiTrack.getLastNoteIndexAtTime((int)(Project.SongPosT - Project.PlaybackOffsetT));
if (hlNoteIndex < 0)
{
return;
}
Midi.Note note = noteList[hlNoteIndex], nextNote;
if (note.start > Project.Notes.SongLengthT) //only if audio ends before the notes end
{
return;
}
if (hlNoteIndex < noteList.Count - 1)
{
nextNote = noteList[hlNoteIndex + 1];
}
else
{
nextNote = note;
}
Vector3 noteStart = new Vector3(Project.getScreenPos(note.start, note.pitch), 0);
float noteEnd = Project.getScreenPos(note.stop, note.pitch).X;
Vector3 nextNoteStart = new Vector3(Project.getScreenPos(nextNote.start, nextNote.pitch), 0);
if (noteEnd > nextNoteStart.X && hlNoteIndex < noteList.Count - 1)
{
noteEnd = nextNoteStart.X;
}
if ((float)(nextNote.start - note.stop) > Qn_gapThreshold * Project.Notes.TicksPerBeat || note == nextNote)
{
if (nextNoteStart.X != noteStart.X)
{
nextNoteStart.Y = MathHelper.Lerp(noteStart.Y, nextNoteStart.Y, (float)(noteEnd - noteStart.X) / (nextNoteStart.X - noteStart.X));
}
nextNoteStart.X = noteEnd;
}
Vector3 hlPos = noteStart;
float noteLength = (noteEnd - noteStart.X);
float normPos = (songPosP - noteStart.X) / noteLength;
if ((bool)MovingHl)
{
float poweredNormPos = (float)Math.Pow(normPos, (double)HlMovementPow);
hlPos.X = noteStart.X + poweredNormPos * noteLength;
hlPos.Y = Project.getScreenPosY(trackProps.TrackView.Curve.Evaluate((float)Project.pixelsToTicks(hlPos.X)));
}
//Set common fx params---------------------
//For shrinking highlights
float shrinkPercent = normPos * 1.0001f;
if (!(bool)ShrinkingHl)
{
shrinkPercent = 0;
if ((bool)HlBorder)
{
shrinkPercent = 1;
}
}
fx.Parameters["ClipPercent"].SetValue(shrinkPercent);
float innerHlSize = VpHlSize * 0.5f * (1 - shrinkPercent);
fx.Parameters["InnerHlSize"].SetValue(innerHlSize);
//Vector4 hlColor;
//Texture2D hlTexture;
//getMaterial(trackProps, true, out hlColor, out hlTexture);
//Vector4 hlColor = fx.Parameters["HlColor"].GetValueVector4();
//fx.Parameters["HlColor"].SetValue(SongPanel.HSLA2RGBA(hlColor).ToVector4());
fx.Parameters["Border"].SetValue((bool)HlBorder);
//-----------------------------------------------
if (HlType == LineHlType.Arrow)
{
float arrowLength;
Vector3 arrowDir;
Vector3 arrowNormal;
if (!(bool)MovingHl) //Non-moving arrow
{
Vector3 nextNoteOffset = nextNoteStart - noteStart;
arrowLength = nextNoteOffset.Length();
arrowDir = nextNoteOffset;;
}
else //Moving arrow
{
float x1 = hlPos.X;
float y1 = hlPos.Y;
float x2 = x1 + 0.001f;
float pitch2 = trackProps.TrackView.Curve.Evaluate((float)Project.pixelsToTicks(x2));
float y2 = Project.getScreenPosY(pitch2);
arrowDir = new Vector3(x2 - x1, y2 - y1, 0);
arrowLength = VpHlSize * 1.25f; //Make arrow 25% longer than wide
}
arrowDir.Normalize();
arrowNormal = new Vector3(-arrowDir.Y, arrowDir.X, 0);
arrowNormal.Normalize();
float halfArrowWidth = VpHlSize * 0.5f;
lineHlVerts[0].pos = hlPos + arrowNormal * halfArrowWidth;
lineHlVerts[1].pos = hlPos - arrowNormal * halfArrowWidth;
lineHlVerts[2].pos = hlPos + arrowDir * arrowLength;
fx.Parameters["ArrowDir"].SetValue(arrowDir);
//lineFx.Parameters["ArrowLength"].SetValue(nextNoteOffsetLength);
fx.Parameters["ArrowStart"].SetValue(hlPos);
fx.Parameters["ArrowEnd"].SetValue(lineHlVerts[2].pos); //Is used to calc distance from the two "sides" of the triangle (not the bottom) since they share this point
Vector3 side1Tangent = lineHlVerts[2].pos - lineHlVerts[0].pos;
Vector3 side1Normal = new Vector3(-side1Tangent.Y, side1Tangent.X, 0);
side1Normal.Normalize();
fx.Parameters["Side1Normal"].SetValue(side1Normal);
Vector3 side2Tangent = lineHlVerts[2].pos - lineHlVerts[1].pos;
Vector3 side2Normal = new Vector3(-side2Tangent.Y, side2Tangent.X, 0);
side2Normal.Normalize();
fx.Parameters["Side2Normal"].SetValue(side2Normal);
//Calc shortest dist to incenter from border, ie. the inscribed circle's radius
float a = (lineHlVerts[0].pos - lineHlVerts[1].pos).Length();
float b = (lineHlVerts[0].pos - lineHlVerts[2].pos).Length();
float c = (lineHlVerts[1].pos - lineHlVerts[2].pos).Length();
float k = (a + b + c) / 2.0f;
float icRadius = (float)Math.Sqrt(k * (k - a) * (k - b) * (k - c)) / k;
fx.Parameters["DistToCenter"].SetValue(icRadius);
fx.CurrentTechnique = fx.Techniques["Arrow"];
fx.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, lineHlVerts, 0, 1);
}
else if (HlType == LineHlType.Circle)
{
setHlCirclePos(hlPos);
fx.CurrentTechnique = fx.Techniques["Circle"];
fx.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleStrip, lineHlVerts, 0, 2);
}
}
//static string GetName<T>(T item) where T : class
//{
// return typeof(T).GetProperties()[0].Name;
//}
public override void createGeoChunk(out Geo geo, BoundingBox bbox, Midi.Track midiTrack, TrackProps trackProps, MaterialProps texMaterial)
{
LineGeo lineGeo = new LineGeo();
geo = lineGeo;
if (LineWidth == 0)
{
return;
}
List <Midi.Note> noteList = midiTrack.Notes;
//List<Midi.Note> noteList = getNotes(0, midiTrack, songDrawProps);
if (noteList.Count == 0)
{
return;
}
int vertIndex = 3;
int hLineVertIndex = 0;
int completeNoteListIndex = midiTrack.Notes.IndexOf(noteList[0]);
float vpLineWidth = VpLineWidth;
float maxNumBboxesPerScreenWidth = 1000;
float bboxMinSqLength = (float)Math.Pow(Project.Props.Camera.ViewportSize.X / maxNumBboxesPerScreenWidth, 2);
//for (int i = 0; i < 100; i++)
//{
// vertIndex = 30000;
// createLineSegment(ref vertIndex, ref hLineVertIndex, lineGeo, vpLineWidth);
//}
//return;
for (int n = 0; n < noteList.Count; n++)
{
//Get current note
Midi.Note note = noteList[n], nextNote;
if (note.start > Project.Notes.SongLengthT) //only if audio ends before the notes end
{
continue;
}
if (n < noteList.Count - 1)
{
nextNote = noteList[n + 1];
}
else if (completeNoteListIndex < midiTrack.Notes.Count - 1)
{
nextNote = midiTrack.Notes[completeNoteListIndex + 1];
}
else
{
nextNote = note;
}
Vector2 noteStart = Project.getScreenPos(note.start, note.pitch);
float noteEnd = Project.getScreenPos(note.stop, note.pitch).X;
Vector2 nextNoteStart = Project.getScreenPos(nextNote.start, nextNote.pitch);
if (noteEnd > nextNoteStart.X && completeNoteListIndex < midiTrack.Notes.Count - 1)
{
noteEnd = nextNoteStart.X;
}
bool endOfSegment = false;
if ((float)(nextNote.start - note.stop) > Qn_gapThreshold * Project.Notes.TicksPerBeat || note == nextNote)
{
if (nextNoteStart.X != noteStart.X)
{
nextNoteStart.Y = (int)MathHelper.Lerp(noteStart.Y, nextNoteStart.Y, (float)(noteEnd - noteStart.X) / (nextNoteStart.X - noteStart.X));
}
nextNoteStart.X = noteEnd;
endOfSegment = true;
}
float startDraw = noteStart.X;
float endDraw = nextNoteStart.X;
//Don't draw if length is 0
if (startDraw == endDraw)
{
continue;
}
float curvature = calcLinearLineAngle(n, trackProps.TrackView.Curve);
//if (n > 0)
//{
// float prevCurvature = calcLinearLineAngle(n - 1, trackProps.TrackView.Curve);
// if (prevCurvature > curvature)
// curvature = (prevCurvature + curvature) / 2; //Prevent too big jumps between levels of tesselation which will cause sharp bends
//}
if (n < noteList.Count - 1)
{
curvature = Math.Max(curvature, calcLinearLineAngle(n + 1, trackProps.TrackView.Curve));
}
//curvature /= (float)Math.PI; //Map to [0,1]
curvature = Math.Min(curvature, 0.97f * (float)Math.PI); //Clip below 180 degrees to avoid extreme tesselation
curvature = (float)Math.Pow(curvature, 2.25) * 1000;
float step;
if (curvature == 0)
{
step = (endDraw - startDraw) * 0.999f; //Only one point for the note
}
else
{
step = 1 / curvature;
}
if (step >= endDraw - startDraw)
{
step = (endDraw - startDraw);// * 0.999f;
}
int iterations = (int)((endDraw - startDraw) / step);
if (iterations < 0)
{
throw new OverflowException($"Too many vertices for note {n}, track {trackProps.TrackView.TrackNumber}.");
}
step = (endDraw - startDraw) / (iterations + 1);
Vector3 bboxStart = Vector3.Zero;
for (float x = startDraw; x <= endDraw + 0.00001f; x += step)
{
Vector3 center, normal, vertexOffset;
getCurvePoint(out center, out normal, out vertexOffset, step, x, trackProps, vpLineWidth);
//normal.X = curvature/10f;
lineVerts[vertIndex].normal = lineVerts[vertIndex + 1].normal = normal;
//Create vertices
//adjustCurvePoint(center, vertexOffset, -1, trackProps, lineVerts, vertIndex, step, vpLineWidth);
//adjustCurvePoint(center, vertexOffset, 1, trackProps, lineVerts, vertIndex + 1, step, vpLineWidth);
//curvature = trackProps.TrackView.Curve.EvaluateCurvature(Project.getTimeT(x));
//center.Y = curvature / 10;
lineVerts[vertIndex].pos = center - vertexOffset;
lineVerts[vertIndex + 1].pos = center + vertexOffset;
lineVerts[vertIndex].center = lineVerts[vertIndex + 1].center = center;
float normStepFromNoteStart = (x - startDraw) / (nextNoteStart.X - noteStart.X);
//lineVerts[vertIndex].normStepFromNoteStart = lineVerts[vertIndex + 1].normStepFromNoteStart = normStepFromNoteStart;
lineVerts[vertIndex].normPos = new Vector2(normStepFromNoteStart, 0);
lineVerts[vertIndex + 1].normPos = new Vector2(normStepFromNoteStart, 1);
if (texMaterial.TexProps.Texture != null)
{
calcTexCoords(out lineVerts[vertIndex].texCoords, out lineVerts[vertIndex + 1].texCoords, texMaterial.TexProps, x - startDraw, normStepFromNoteStart, vpLineWidth, lineVerts[vertIndex].pos, lineVerts[vertIndex + 1].pos);
}
if (LineType == VisualMusic.LineType.Ribbon)
{
float hLineStart = center.X;
float hLineEnd = hLineStart;
do
{
hLineEnd += step;
} while ((int)center.Y == (int)Project.getCurveScreenY((float)hLineEnd + step, trackProps.TrackView.Curve) && hLineEnd < endDraw);
if (hLineEnd > hLineStart + vpLineWidth / 2)
{
hLineVerts[hLineVertIndex++] = lineVerts[vertIndex];
hLineVerts[hLineVertIndex++] = lineVerts[vertIndex + 1];
}
//float horizontalFactor = Math.Abs(normal.Y);
//float horizontalLimit = 0.98f;
//float minThickness = 0.001f;
//if (horizontalFactor > horizontalLimit)
//{ //todo use vertexoffset for non-ribbon instead of normal
// horizontalFactor = (horizontalFactor - horizontalLimit) / (1 - horizontalLimit); //[horizontalFactor, 1] -> [0, 1]
// lineVerts[vertIndex].pos.Y -= minThickness * horizontalFactor * Math.Sign(normal.X);
//}
}
if (x == startDraw && vertIndex > 3)
{
lineVerts[vertIndex].pos = lineVerts[vertIndex - 2].pos;
lineVerts[vertIndex + 1].pos = lineVerts[vertIndex - 1].pos;
}
//Create bounding box
if (bboxStart == Vector3.Zero)
{
bboxStart = lineVerts[vertIndex].center;
}
Vector3 bboxEnd = lineVerts[vertIndex].center;
if (Vector3.DistanceSquared(bboxStart, bboxEnd) > bboxMinSqLength)
{
Vector3 bboxCenter = (bboxStart + bboxEnd) / 2;
geo.bboxes.Add(new BoundingBoxEx(bboxCenter, bboxEnd - bboxCenter, bboxEnd - lineVerts[vertIndex].pos, new Vector3(0, 0, 0)));
bboxStart = bboxEnd;
}
vertIndex += 2;
if (vertIndex >= MaxLineVerts - 2 || hLineVertIndex >= MaxHLineVerts - 2)
{
createLineSegment(ref vertIndex, ref hLineVertIndex, lineGeo, vpLineWidth);
x -= step;
}
//break;
}
if (!(bool)Continuous)
{
endOfSegment = true; //One draw call per note. Can be used to avoid glitches between notes because of instant IN.normStepFromNoteStart interpolation from 1 to 0.
}
if (endOfSegment)
{
createLineSegment(ref vertIndex, ref hLineVertIndex, lineGeo, vpLineWidth);
}
completeNoteListIndex++;
}
createLineSegment(ref vertIndex, ref hLineVertIndex, lineGeo, vpLineWidth);
}
void getCurvePoint(out Vector3 pos, out Vector3 normal, out Vector3 vertexOffset, float step, float x, TrackProps trackProps, float lineWidth)
{
Vector3[] points = new Vector3[3];
Vector3[] tangents = new Vector3[2];
step *= 0.1f;
for (int i = 0; i < points.Length; i++)
{
points[i] = new Vector3();
points[i].X = x + i * step - step;
points[i].Y = Project.getCurveScreenY(points[i].X, trackProps.TrackView.Curve);
points[i].Z = 0;
}
for (int i = 0; i < tangents.Length; i++)
{
tangents[i] = points[i + 1] - points[i];
}
normal = tangents[0] + tangents[1];
normal = new Vector3(-normal.Y, normal.X, 0);
normal.Normalize();
pos = points[1];
//normal.X = 1;
//normal.Y = Project.getScreenPosY(trackProps.TrackView.Curve.EvaluateSignedCurvatureDerivative(x));
//normal.Z = 0;
//normal.Normalize();
if (LineType == VisualMusic.LineType.Ribbon)
{
vertexOffset = new Vector3(1, 0, 0);
}
else
{
vertexOffset = normal;
}
vertexOffset *= lineWidth / 2.0f;
}