private double calcCircleSegmentLength(Point2 from, Point2 to, Point2 mid)
{
Circle circle = new Circle(from, to, mid);
Point2 center = circle.center;
double radius = circle.radius;
double angle1 = PatternGenerator.calcAngle(from, center);
double angle2 = PatternGenerator.calcAngle(to, center);
return(Math.Abs(angle2 - angle1) * radius);
}
private Point2 binarySeachPoint(Point2 from, double angle, int distToNextPoint, double shift_delta)
{
double high = distToNextPoint;
double low = 0;
double eps = 1e-3;
Point2 to = null;
while (high - low > eps)
{
double current = (low + high) / 2;
to = new Point2(from.X + (float)(current * Math.Cos(angle)), from.Y + (float)(current * Math.Sin(angle)));
var mid = new Point2((to.X + from.X) / 2, (to.Y + from.Y) / 2);
mid.X += (float)(shift_delta * Math.Sin(angle));
mid.Y += (float)(shift_delta * Math.Cos(angle));
if (!PatternGenerator.checkCoordinateLimits(mid))
{
mid.X -= 2 * (float)(shift_delta * Math.Sin(angle));
mid.Y -= 2 * (float)(shift_delta * Math.Cos(angle));
}
double spacing = calcCircleSegmentLength(from, to, mid);
if (spacing < distToNextPoint)
{
low = current;
}
else
{
high = current;
}
}
return(to);
}
public List <CircleObject> generatePolygons(MapContextAwareness mapContext, int points, int number, int spacing, int rotation, int shift, bool randomize)
{
var result = new List <CircleObject>();
double angle = 0;
int X = mapContext.X;
int Y = mapContext.Y;
int shiftx = shift;
int shifty = shift;
for (int i = 0; i < number && mapContext.Offset < mapContext.endOffset; ++i)
{
Point2 pp = checkPolygonialBounds(X, Y, spacing);
if (!ReferenceEquals(pp, null))
{
X = (int)pp.X;
Y = (int)pp.Y;
}
var ps = PatternGenerator.polygon(points, new Point2(X, Y), spacing, angle);
if (randomize)
{
//ps = PatternGenerator.shuffleOrder(ps);
ps = reoderIntoStar(ps);
}
foreach (var p in ps)
{
p.Type = BMAPI.v1.HitObjectType.Circle;
}
ps[0].Type |= BMAPI.v1.HitObjectType.NewCombo;
foreach (var obj in ps)
{
obj.StartTime = (int)mapContext.Offset;
mapContext.Offset += mapContext.bpm;
}
result.AddRange(ps);
angle += PatternGenerator.ConvertToRadians(rotation);
if (!PatternGenerator.checkCoordinateLimits(X, Y, points, spacing, shiftx, shifty))
{
//TODO: add normalization
Point2 next = PatternGenerator.findNextPosition(X, Y, shift);
shiftx = (int)(next.X - X);
shifty = (int)(next.Y - Y);
}
X += shiftx;
Y += shifty;
}
double nextShift = Math.Sqrt(2 * spacing * spacing * (1.0 - Math.Cos(Math.PI * 2 / points)));
Point2 nextPosition = PatternGenerator.findNextPosition(X, Y, nextShift);
mapContext.X = (int)nextPosition.X;
mapContext.Y = (int)nextPosition.Y;
return(result);
}
public List <CircleObject> generateHorizontalPattern(MapContextAwareness mapContext)
{
if (end)
{
number = (int)1e6;
}
var result = new List <CircleObject>();
double angle = rotation;
int X = mapContext.X;
int Y = mapContext.Y;
int shiftx = 0;
int shifty = shift;
for (int i = 0; i < number && mapContext.Offset < mapContext.endOffset; ++i)
{
Point2 pp = checkHorizontalJumpBounds(X, Y, spacing, angle);
if (!ReferenceEquals(pp, null))
{
X = (int)pp.X;
Y = (int)pp.Y;
}
var ps = PatternGenerator.generateHorizontalJump(new Point2(X, Y), spacing, angle, randomize);
if (randomize)
{
ps = PatternGenerator.shuffleOrder(ps);
}
foreach (var p in ps)
{
p.Type = BMAPI.v1.HitObjectType.Circle;
}
ps[0].Type |= BMAPI.v1.HitObjectType.NewCombo;
foreach (var obj in ps)
{
obj.StartTime = (int)mapContext.Offset;
mapContext.Offset += mapContext.bpm;
}
result.AddRange(ps);
if (checkNextJumpBounds(X + shiftx, Y + shifty, angle))
{
shifty = -shifty;
}
X += shiftx;
Y += shifty;
}
double nextShift = shift;
Point2 nextPosition = PatternGenerator.findNextPosition(X, Y, nextShift);
mapContext.X = (int)nextPosition.X;
mapContext.Y = (int)nextPosition.Y;
return(result);
}
private bool checkNextJumpBounds(int X, int Y, double angle)
{
return(!PatternGenerator.checkCoordinateLimits(X, Y) && !ReferenceEquals(checkVerticalJumpBounds(X, Y, spacing, angle), null));
}
private List <CircleObject> generateRotatingPattern(MapContextAwareness mapContext)
{
if (end)
{
number = (int)1e6;
}
var result = new List <CircleObject>();
double angle = 0;
int X = mapContext.X;
int Y = mapContext.Y;
int shiftx = shift;
int shifty = shift;
for (int i = 0; i < number && mapContext.Offset < mapContext.endOffset; ++i)
{
Point2 pp = checkVerticalJumpBounds(X, Y, spacing, angle);
if (!ReferenceEquals(pp, null))
{
X = (int)pp.X;
Y = (int)pp.Y;
}
var ps = PatternGenerator.generateRotationalJump(new Point2(X, Y), spacing, angle, randomize);
if (randomize)
{
ps = PatternGenerator.shuffleOrder(ps);
}
foreach (var p in ps)
{
p.Type = BMAPI.v1.HitObjectType.Circle;
}
ps[0].Type |= BMAPI.v1.HitObjectType.NewCombo;
foreach (var obj in ps)
{
obj.StartTime = (int)mapContext.Offset;
mapContext.Offset += mapContext.bpm;
}
result.AddRange(ps);
angle += rotation;
if (checkNextJumpBounds(X + shiftx, Y + shifty, angle))
{
Point2 next = PatternGenerator.findNextPosition(X, Y, shift);
shiftx = (int)(next.X - X);
shifty = (int)(next.Y - Y);
double norm = Math.Sqrt(Utils.sqr(shiftx) + Utils.sqr(shifty));
double recommended_shift = Math.Sqrt(2 * Utils.sqr(shift));
shiftx = (int)(shiftx / norm * recommended_shift);
shifty = (int)(shifty / norm * recommended_shift);
}
X += shiftx;
Y += shifty;
}
double nextShift = shift;
Point2 nextPosition = PatternGenerator.findNextPosition(X, Y, nextShift);
mapContext.X = (int)nextPosition.X;
mapContext.Y = (int)nextPosition.Y;
return(result);
}
public List <CircleObject> generateStreams(MapContextAwareness mapContext, int points, int number, int spacing, int shift)
{
//spacing is the distance between two notes in the stream
if (end)
{
//double endOffset = mapContext.endOffset;
//double currOffset = mapContext.Offset;
//int n = (int)Math.Floor((endOffset - currOffset) / mapContext.bpm * 2 / points) - 1;
number = (int)1e6;
}
List <CircleObject> result = new List <CircleObject>();
int shiftx = shift;
int shifty = shift;
double angle = 0;
bool flag = false;
int distToNextPoint = spacing * (points - 1);
for (int i = 0; i < number && mapContext.Offset < mapContext.endOffset; ++i)
{
Point2 from = new Point2(mapContext.X, mapContext.Y);
double tmp_angle = angle;
Point2 to = new Point2(from.X + distToNextPoint * (float)Math.Cos(angle), from.Y + distToNextPoint * (float)Math.Sin(angle));
if (!PatternGenerator.checkCoordinateLimits(to))
{
flag = true;
}
int tmp_spacing = distToNextPoint;
for (int k = 0; flag; ++k)
{
tmp_angle = Utils.rng.NextDouble() * Math.PI * 2;
while (Math.Abs(Math.Tan(angle) - Math.Tan(tmp_angle)) < 0.05)
{
tmp_angle = Utils.rng.NextDouble() * Math.PI * 2;
}
to = new Point2(from.X + tmp_spacing * (float)Math.Cos(tmp_angle), from.Y + tmp_spacing * (float)Math.Sin(tmp_angle));
if (PatternGenerator.checkCoordinateLimits(to))
{
flag = false;
}
else
{
if (k > 1000)
{
to = pointToCenter(from, tmp_spacing);
tmp_spacing = (int)(tmp_spacing * 0.9);
k = 0;
}
}
}
double mid_delta = generateMidDelta();
List <CircleObject> pattern = null;
if (mid_delta > 0.1)
{
double shift_delta = mid_delta * distToNextPoint;
to = binarySeachPoint(from, tmp_angle, distToNextPoint, shift_delta);
var mid = new Point2((to.X + from.X) / 2, (to.Y + from.Y) / 2);
mid.X += (float)(shift_delta * Math.Sin(tmp_angle));
mid.Y += (float)(shift_delta * Math.Cos(tmp_angle));
if (!PatternGenerator.checkCoordinateLimits(mid))
{
mid.X -= 2 * (float)(shift_delta * Math.Sin(tmp_angle));
mid.Y -= 2 * (float)(shift_delta * Math.Cos(tmp_angle));
}
pattern = PatternGenerator.stream(points, from, to, mid);
}
else
{
pattern = PatternGenerator.stream(points, from, to);
}
pattern[0].Type |= BMAPI.v1.HitObjectType.NewCombo;
foreach (var obj in pattern)
{
obj.StartTime = (int)mapContext.Offset;
mapContext.Offset += mapContext.bpm / 2;
}
result.AddRange(pattern);
double spacing_shift = spacing;
double recommended_shift = Math.Max(spacing_shift, shift);
if (!PatternGenerator.checkCoordinateLimits(to.X + shiftx, to.Y + shifty))
{
Point2 next = PatternGenerator.findNextPosition(mapContext.X, mapContext.Y, recommended_shift);
shiftx = (int)(next.X - mapContext.X);
shifty = (int)(next.Y - mapContext.Y);
double norm = Math.Sqrt(Utils.sqr(shiftx) + Utils.sqr(shifty));
if (norm < 0.1)
{
norm = 1;
}
shiftx = (int)(shiftx / norm * recommended_shift);
shifty = (int)(shifty / norm * recommended_shift);
}
mapContext.X = (int)to.X + shiftx;
mapContext.Y = (int)to.Y + shifty;
angle = tmp_angle;
}
return(result);
}
public List <CircleObject> generateRandomJumps(MapContextAwareness mapContext, int numberOfNotes, int spacing)
{
var result = new List <CircleObject>();
int c = 0;
for (int i = 0; i < numberOfNotes && mapContext.Offset < mapContext.endOffset; ++i)
{
Point2 next;
if (i > 0)
{
next = PatternGenerator.findNextPosition(mapContext.X, mapContext.Y, spacing);
}
else
{
next = PatternGenerator.findNextPosition(mapContext.X, mapContext.Y, 0);
}
int stackNumber;
if (useOnly)
{
stackNumber = maxStack;
}
else
{
stackNumber = Utils.rng.Next(1, maxStack + 1);
}
for (int j = 0; j < stackNumber; ++j)
{
CircleObject note = new CircleObject();
if (j == 0)
{
note.Type |= BMAPI.v1.HitObjectType.NewCombo;
}
note.Location = next;
result.Add(note);
mapContext.X = (int)next.X;
mapContext.Y = (int)next.Y;
note.StartTime = (int)mapContext.Offset;
if (j < stackNumber - 1)
{
mapContext.Offset += mapContext.bpm / 2;
}
}
if (stackNumber % 2 == 0)
{
++c;
}
mapContext.Offset += mapContext.bpm;
}
if (c % 2 == 1)
{
mapContext.Offset += mapContext.bpm / 2;
}
return(result);
}
private void extractMapContextFromWindow(InitialSettingsWindow window)
{
TimingPoint current = baseBeatmap.TimingPoints[0];
//double generator_bpm = current.BpmDelay / 2;
string tickDivisor = window.tickDivisorComboBox.Text;
double bpm_multiplier;
switch (tickDivisor)
{
case "1/1": bpm_multiplier = 2; break;
case "1/2": bpm_multiplier = 1; break;
case "1/3": bpm_multiplier = 2.0 / 3; break;
case "1/4": bpm_multiplier = 0.5; break;
default: throw new Exception("Unknown tick divisor");
}
double generator_beginOffset;
if (window.firstTimingCheckbox.IsChecked.Value)
{
generator_beginOffset = current.Time;
}
else
{
double tmp;
if (double.TryParse(window.beginOffsetTextbox.Text, out tmp))
{
generator_beginOffset = tmp;
}
else
{
MessageBox.Show("Unable to parse the begin offset. Please input a valid number or check the First timing point checkbox");
return;
}
}
double generator_endOffset;
if (window.lastObjectCheckbox.IsChecked.Value)
{
generator_endOffset = findLastObjectTimingInMap(baseBeatmap);
}
else
{
double tmp;
if (double.TryParse(window.endOffsetTextbox.Text, out tmp))
{
generator_endOffset = tmp;
}
else
{
MessageBox.Show("Unable to parse the begin offset. Please input a valid number or check the Last object checkbox");
return;
}
}
int generator_X;
int generator_Y;
if (window.overrideStartPointCheckBox.IsChecked ?? true)
{
double tmp;
if (double.TryParse(window.XtextBox.Text, out tmp))
{
generator_X = (int)tmp;
}
else
{
MessageBox.Show("Unable to parse the X coordinate. Please input a valid number or uncheck the override starting position checkbox");
return;
}
if (double.TryParse(window.YtextBox.Text, out tmp))
{
generator_Y = (int)tmp;
}
else
{
MessageBox.Show("Unable to parse the Y coordinate. Please input a valid number or uncheck the override starting position checkbox");
return;
}
}
else
{
generator_X = 200;
generator_Y = 200;
}
generator.mapContext = new MapContextAwareness(bpm_multiplier, generator_beginOffset, generator_endOffset, generator_X, generator_Y, baseBeatmap.TimingPoints);
if (window.keepOriginalPartCheckbox.IsChecked.Value)
{
PatternGenerator.copyMap(baseBeatmap, generator.generatedMap, generator.mapContext.Offset, generator.mapContext.endOffset);
}
}