public static void DrawHoldRegionToPreview(System.Drawing.Graphics g, IReadOnlyPreviewDisplayEnvironment env, Hold hold)
{
if (hold.HoldEnd.Timing <= env.TimingOffset)
{
return;
}
if (hold.HoldBegin.Timing >= env.TimingOffset + env.TimingLength)
{
return;
}
var notes = hold.AllNotes.OrderBy(x => x.Timing).ToList();
for (var i = 0; i < notes.Count - 1; ++i)
{
var begin = notes[i];
var end = notes[i + 1];
if (begin.Timing >= env.TimingOffset + env.TimingLength)
{
continue;
}
if (end.Timing <= env.TimingOffset)
{
continue;
}
DrawHoldStep(g, env, begin, end);
}
}
public static void DrawToPreview(System.Drawing.Graphics g, IReadOnlyPreviewDisplayEnvironment env, NoteBook noteBook)
{
foreach (var hold in noteBook.Holds)
{
DrawHoldRegionToPreview(g, env, hold);
DrawToPreview(g, env, hold.HoldBegin);
DrawToPreview(g, env, hold.HoldEnd);
}
foreach (var note in noteBook.Notes)
{
DrawToPreview(g, env, note);
}
}
public static void DrawToPreview(System.Drawing.Graphics g, IReadOnlyPreviewDisplayEnvironment env, NoteBase note)
{
var diff = note.Timing - env.TimingOffset;
float r = 1 - (float)(diff / env.TimingLength).BarRatio;
if (r <= 0 || r > 1)
{
return;
}
var lane1 = note.Lane.NormalizedLane;
float startDeg = CalcCsDeg(6 * lane1);
float degSize = CalcCsDegSize(6 * note.NoteSize.Size);
using (var p = new Pen(NoteGraphicsGenerator.GetColor(note.NoteType), 5))
{
r *= env.Radius;
g.DrawArc(p, env.CenterPoint.X - r, env.CenterPoint.Y - r, 2 * r, 2 * r, startDeg, degSize);
}
}
public static void Draw(System.Drawing.Graphics g, IReadOnlyPreviewDisplayEnvironment env, IReadOnlyList <Score.IReadOnlyScore> scores)
{
using (var backBrush = new SolidBrush(Color.Black))
using (var gameDisplayBrush = new SolidBrush(Color.FromArgb(50, 50, 50)))
using (var penMain = new Pen(Color.White))
using (var penSub = new Pen(Color.FromArgb(130, Color.White)))
using (Font myFont = new Font("MS UI Gothic", 10, FontStyle.Regular))
{
g.FillRectangle(backBrush, env.DisplayRegion);
g.FillEllipse(gameDisplayBrush, env.Circle);
g.DrawEllipse(penMain, env.Circle);
var circleCenter = new Point(env.Circle.X + env.Radius, env.Circle.Y + env.Radius);
var vanishingTiming = env.TimingOffset + env.TimingLength;
foreach (var score in scores.Where(x => env.TimingOffset < x.TimingEnd && x.TimingBegin < vanishingTiming))
{
// 主線小節番号の描画
var r = (int)(((vanishingTiming - score.TimingBegin) / env.TimingLength).BarRatio * env.Radius);
var c = new Rectangle(circleCenter.X - r, circleCenter.Y - r, 2 * r, 2 * r);
if (0 < r && r < env.Radius)
{
g.DrawEllipse(penMain, c);
// TODO: 表示/非表示を切り替えられるようにしたら良いかもね
g.DrawString(scores.IndexOf(score).ToString().PadLeft(3, '0'), myFont, Brushes.White, new Point(c.Left + c.Width / 2 - 14, c.Bottom - 6));
}
// 副線の描画
// TODO: 表示/非表示を切り替えられるようにしたら良いかもね
for (var cnt = 1; cnt < score.BeatNum; ++cnt)
{
r = (int)(((vanishingTiming - score.TimingBegin - new TimingPosition(score.BeatDen, cnt)) / env.TimingLength).BarRatio * env.Radius);
if (!(0 < r && r < env.Radius))
{
continue;
}
c = new Rectangle(circleCenter.X - r, circleCenter.Y - r, 2 * r, 2 * r);
g.DrawEllipse(penSub, c);
}
}
}
}
private static void DrawHoldStep(System.Drawing.Graphics g, IReadOnlyPreviewDisplayEnvironment env, NoteBase begin, NoteBase end)
{
using (var clipPath = new GraphicsPath())
{
clipPath.AddEllipse(env.Circle);
g.Clip = new Region(clipPath);
}
var step = 5;
// 円の中央が0
var rbegin = (1 - ((begin.Timing - env.TimingOffset) / env.TimingLength).BarRatio) * env.Radius;
var rend = (1 - ((end.Timing - env.TimingOffset) / env.TimingLength).BarRatio) * env.Radius;
var dr = rbegin - rend;
var dlleft = end.Lane.RawLane - begin.Lane.RawLane;
var dlright = (end.Lane.RawLane + end.NoteSize.Size) - (begin.Lane.RawLane + begin.NoteSize.Size);
var psLeft = new List <Point>();
var psRight = new List <Point>();
var curR = rbegin - step;
while (true)
{
if (curR <= 0 || curR <= rend)
{
break;
}
if (dlleft != 0 || curR <= step)
{
var radLeft = MyMath.DegToRad(CalcCsDeg((float)(begin.Lane.RawLane * 6 + (rbegin - curR) / dr * dlleft * 6)));
psLeft.Add(new Point((int)(env.CenterPoint.X + curR * Math.Cos(radLeft)), (int)(env.CenterPoint.Y + curR * Math.Sin(radLeft))));
}
if (dlright != 0 || curR <= step)
{
var radRight = MyMath.DegToRad(CalcCsDeg((float)((begin.Lane.RawLane + begin.NoteSize.Size) * 6 + (rbegin - curR) / dr * dlright * 6)));
psRight.Add(new Point((int)(env.CenterPoint.X + curR * Math.Cos(radRight)), (int)(env.CenterPoint.Y + curR * Math.Sin(radRight))));
}
curR -= step;
}
var path = new GraphicsPath();
if (psLeft.Any())
{
path.AddLines(psLeft.ToArray());
}
if (rend > 0)
{
path.AddArc(
(float)(env.CenterPoint.X - rend),
(float)(env.CenterPoint.Y - rend),
(float)(2 * rend),
(float)(2 * rend),
CalcCsDeg(end.Lane.NormalizedLane * 6),
CalcCsDegSize(end.NoteSize.Size * 6));
}
if (psRight.Any())
{
path.AddLines(psRight.Reverse <Point>().ToArray());
}
if (rbegin > 0)
{
path.AddArc(
(float)(env.CenterPoint.X - rbegin),
(float)(env.CenterPoint.Y - rbegin),
(float)(2 * rbegin),
(float)(2 * rbegin),
CalcCsDeg((begin.Lane.NormalizedLane + begin.NoteSize.Size) * 6),
CalcCsDegSize(-begin.NoteSize.Size * 6));
}
// 色は決め打ちではなく，名前つけて一か所にまとめた方がいいかもね
using (var sb = new SolidBrush(Color.FromArgb(200, 200, 175, 90)))
{
try
{
g.FillPath(sb, path);
}
catch (Exception) { }
}
path.Dispose();
g.ResetClip();
}
