119 lines
6.9 KiB
C#
119 lines
6.9 KiB
C#
using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class PipeJoin : INode {
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public const double SIZE = 3.6;
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public const double POINT = 0.8;
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public double CenterX { get; set; }
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public double CenterY { get; set; }
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public string Label => "";
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public Brush? Highlight { get; set; }
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public ISet<IEdge> Inputs { get; init; }
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public ISet<IEdge> Outputs { get; init; }
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private System.Windows.Shapes.Path? _rect;
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public PipeJoin(double x, double y) {
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CenterX = x;
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CenterY = y;
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Inputs = new HashSet<IEdge>();
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Outputs = new HashSet<IEdge>();
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}
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public void Draw(Canvas canvas) {
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_rect = new System.Windows.Shapes.Path() {
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Fill = Brushes.DarkGray,
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Stroke = Brushes.Black,
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};
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canvas.Children.Add(_rect);
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}
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public void Scale(double scale) {
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var it = Inputs.Any(e => (e.Start.CenterY < CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY < CenterY && (!e.Orientation || e.End.CenterX == CenterX)));
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var ot = Outputs.Any(e => (e.End.CenterY < CenterY && (e.Orientation || e.End.CenterX == CenterX)) || (e.IsTwoWay && e.Start.CenterY < CenterY && (e.Orientation || e.Start.CenterX == CenterX)));
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var ir = Inputs.Any(e => (e.Start.CenterX > CenterX && (e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX > CenterX && (e.Orientation || e.End.CenterY == CenterY)));
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var or = Outputs.Any(e => (e.End.CenterX > CenterX && (!e.Orientation || e.End.CenterY == CenterY)) || (e.IsTwoWay && e.Start.CenterX > CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
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var ib = Inputs.Any(e => (e.Start.CenterY > CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY > CenterY && (!e.Orientation || e.End.CenterX == CenterX)));
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var ob = Outputs.Any(e => (e.End.CenterY > CenterY && (e.Orientation || e.End.CenterX == CenterX)) || (e.IsTwoWay && e.Start.CenterY > CenterY && (e.Orientation || e.Start.CenterX == CenterX)));
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var il = Inputs.Any(e => (e.Start.CenterX < CenterX && (e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX < CenterX && (e.Orientation || e.End.CenterY == CenterY)));
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var ol = Outputs.Any(e => (e.End.CenterX < CenterX && (!e.Orientation || e.End.CenterY == CenterY)) || (e.IsTwoWay && e.Start.CenterX < CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
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var size = new Size(SIZE / 2 * scale, SIZE / 2 * scale);
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var geo = new StreamGeometry();
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using (var ctx = geo.Open()) {
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var points = new List<Point> {
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new(0, 0)
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};
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ctx.BeginFigure(new((SIZE / 2 - POINT) * scale, 0), true, false);
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if (ot && it) {
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points.AddRange([new(SIZE / 2, -POINT / 2), new(SIZE / 2, POINT / 2), new(SIZE / 2 + POINT, 0)]);
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} else if (ot) {
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ctx.PolyLineTo([new(SIZE / 2 * scale, -POINT * scale), new((SIZE / 2 + POINT) * scale, 0)], true, false);
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} else if (it) {
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ctx.PolyLineTo([new(SIZE / 2 * scale, POINT * scale), new((SIZE / 2 + POINT) * scale, 0)], true, false);
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} else {
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ctx.ArcTo(new((SIZE / 2 + POINT) * scale, 0), size, 0, false, SweepDirection.Clockwise, true, false);
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}
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ctx.ArcTo(new(SIZE * scale, (SIZE / 2 - POINT) * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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points.Add(new(SIZE, 0));
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if (or && ir) {
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points.AddRange([new(SIZE, SIZE / 2 - POINT), new(SIZE + POINT / 2, SIZE / 2), new(SIZE - POINT / 2, SIZE / 2), new(SIZE, SIZE / 2 + POINT)]);
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} else if (or) {
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ctx.PolyLineTo([new((SIZE + POINT) * scale, SIZE / 2 * scale), new(SIZE * scale, (SIZE / 2 + POINT) * scale)], true, false);
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} else if (ir) {
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ctx.PolyLineTo([new((SIZE - POINT) * scale, SIZE / 2 * scale), new(SIZE * scale, (SIZE / 2 + POINT) * scale)], true, false);
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} else {
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ctx.ArcTo(new(SIZE * scale, (SIZE / 2 + POINT) * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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}
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ctx.ArcTo(new((SIZE / 2 + POINT) * scale, SIZE * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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points.Add(new(SIZE, SIZE));
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if (ob && ib) {
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points.AddRange([new(SIZE / 2 + POINT, SIZE), new(SIZE / 2, SIZE + POINT / 2), new(SIZE / 2, SIZE - POINT / 2), new(SIZE / 2 - POINT, SIZE)]);
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} else if (ob) {
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ctx.PolyLineTo([new(SIZE / 2 * scale, (SIZE + POINT) * scale), new((SIZE / 2 - POINT) * scale, SIZE * scale)], true, false);
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} else if (ib) {
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ctx.PolyLineTo([new(SIZE / 2 * scale, (SIZE - POINT) * scale), new((SIZE / 2 - POINT) * scale, SIZE * scale)], true, false);
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} else {
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ctx.ArcTo(new((SIZE / 2 - POINT) * scale, SIZE * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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}
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ctx.ArcTo(new(0, (SIZE / 2 + POINT) * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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points.Add(new(0, SIZE));
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if (ol && il) {
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points.AddRange([new(0, SIZE / 2 + POINT), new(-POINT / 2, SIZE / 2), new(POINT / 2, SIZE / 2), new(0, SIZE / 2 - POINT)]);
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} else if (ol) {
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ctx.PolyLineTo([new(-POINT * scale, SIZE / 2 * scale), new(0, (SIZE / 2 - POINT) * scale)], true, false);
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} else if (il) {
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ctx.PolyLineTo([new(POINT * scale, SIZE / 2 * scale), new(0, (SIZE / 2 - POINT) * scale)], true, false);
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} else {
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ctx.ArcTo(new(0, (SIZE / 2 - POINT) * scale), size, 0, false, SweepDirection.Clockwise, true, false);
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}
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ctx.ArcTo(new((SIZE / 2 - POINT) * scale, 0), size, 0, false, SweepDirection.Clockwise, true, false);
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}
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_rect?.Data = geo;
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// [.. points.Select(p => new Point(p.X * scale, p.Y * scale))];
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_rect?.StrokeThickness = Graph.ToBorder(scale);
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_rect?.SetValue(Canvas.LeftProperty, (CenterX - SIZE / 2) * scale);
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_rect?.SetValue(Canvas.TopProperty, (CenterY - SIZE / 2) * scale);
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}
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public bool IsInside(double x, double y) {
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return Math.Abs(x - CenterX) <= SIZE / 2 && Math.Abs(y - CenterY) <= SIZE / 2;
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}
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public void Update(bool isHovering, bool isPressed) {
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_rect?.Fill = Highlight ?? Brushes.DarkGray;
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}
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}
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}
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