dbc522a224
Modified weapon scripts to eliminate specialized projectile behavior - allows charged weapons to have projectiles and modify weapon stats when charged Added machine gun weapon & VFX Moved third party code to Plugins folder to improve compile times
110 lines
No EOL
4.5 KiB
C#
110 lines
No EOL
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using Microsoft.Msagl.Core;
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using Microsoft.Msagl.Core.DataStructures;
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using Microsoft.Msagl.Core.Geometry;
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using Microsoft.Msagl.Core.Geometry.Curves;
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using Microsoft.Msagl.Routing.Visibility;
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namespace Microsoft.Msagl.Routing.Spline.ConeSpanner {
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internal class ConeSpanner : AlgorithmBase {
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readonly IEnumerable<Polyline> _obstacles;
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// double coneAngle = Math.PI / 18;// ten degrees
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//double coneAngle = Math.PI / 9;// twenty degrees
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readonly VisibilityGraph _visibilityGraph;
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double coneAngle = Math.PI/6; // thirty degrees
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bool _bidirectional;
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internal ConeSpanner(IEnumerable<Polyline> obstacles, VisibilityGraph visibilityGraph) {
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this._obstacles = VisibilityGraph.OrientHolesClockwise(obstacles);
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this._visibilityGraph = visibilityGraph;
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}
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internal ConeSpanner(IEnumerable<Polyline> obstacles, VisibilityGraph visibilityGraph, double coneAngle,
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Set<Point> ports, Polyline borderPolyline)
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: this(obstacles, visibilityGraph) {
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Debug.Assert(borderPolyline == null || obstacles.All(o => Curve.CurveIsInsideOther(o, borderPolyline)));
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Debug.Assert(borderPolyline == null ||
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ports.All(o => Curve.PointRelativeToCurveLocation(o, borderPolyline) == PointLocation.Inside));
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//Debug.Assert(obstacles.All(o => ports.All(p => Curve.PointRelativeToCurveLocation(p, o) == PointLocation.Outside)));
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//todo: uncomment this assert - it failes on D:\progression\src\ddsuites\src\vs\Progression\ScenarioTests\Grouping\GroupingResources\GroupBySelection2.dgml
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//when dragging
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Debug.Assert(coneAngle > Math.PI/180*2 && coneAngle <= Math.PI/2);
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Ports = ports;
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BorderPolyline = borderPolyline;
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ConeAngle = coneAngle;
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}
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internal double ConeAngle {
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get { return coneAngle; }
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set { coneAngle = value; }
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}
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Set<Point> Ports { get; set; }
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Polyline BorderPolyline { get; set; }
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/// <summary>
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/// If set to true then a smaller visibility graph is created.
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/// An edge is added to the visibility graph only if it is found at least twice:
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/// once sweeping with a direction d and the second time with -d
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/// </summary>
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internal bool Bidirectional {
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get { return _bidirectional; }
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set { _bidirectional = value; }
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}
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internal static int GetTotalSteps(double coneAngle) {
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#if SHARPKIT //https://github.com/SharpKit/SharpKit/issues/4 integer rounding issue
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return ((int)((2 * Math.PI - coneAngle / 2) / coneAngle)) + 1;
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#else
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return (int)((2 * Math.PI - coneAngle / 2) / coneAngle) + 1;
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#endif
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}
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protected override void RunInternal() {
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double offset = 2*Math.PI - coneAngle/2;
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if (!Bidirectional) {
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double angle;
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for (int i = 0; (angle = coneAngle*i) <= offset; i++) {
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ProgressStep();
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AddDirection(new Point(Math.Cos(angle), Math.Sin(angle)), BorderPolyline, _visibilityGraph);
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}
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}
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else
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HandleBideractionalCase();
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}
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void HandleBideractionalCase() {
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int k = (int)(Math.PI/coneAngle);
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for (int i = 0; i < k; i++) {
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var angle = i*coneAngle;
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var vg0 = new VisibilityGraph();
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AddDirection(new Point(Math.Cos(angle), Math.Sin(angle)), BorderPolyline, vg0);
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var vg1 = new VisibilityGraph();
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AddDirection(new Point(-Math.Cos(angle), -Math.Sin(angle)), BorderPolyline, vg1);
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AddIntersectionOfBothDirectionSweepsToTheResult(vg0, vg1);
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}
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}
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void AddIntersectionOfBothDirectionSweepsToTheResult(VisibilityGraph vg0, VisibilityGraph vg1) {
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foreach (var edge in vg0.Edges)
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if (vg1.FindEdge(edge.SourcePoint, edge.TargetPoint) != null)
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_visibilityGraph.AddEdge(edge.SourcePoint, edge.TargetPoint);
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}
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void AddDirection(Point direction, Polyline borderPolyline, VisibilityGraph visibilityGraph) {
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LineSweeper.Sweep(_obstacles, direction, coneAngle, visibilityGraph, Ports, borderPolyline);
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}
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}
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} |