61 lines
2.0 KiB
C#
61 lines
2.0 KiB
C#
using System.Runtime.Serialization;
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using System.Text.Json.Serialization;
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namespace OSMDatastructure.Graph;
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[Serializable]
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public class OsmNode
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{
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public ulong nodeId { get; }
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public HashSet<OsmEdge> edges { get; set; }
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public Coordinates coordinates { get; }
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[JsonIgnore][NonSerialized]public OsmNode? previousPathNode = null;
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[JsonIgnore][NonSerialized]public double currentPathWeight = double.MaxValue;
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[JsonIgnore][NonSerialized]public double currentPathLength = double.MaxValue;
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[JsonIgnore][NonSerialized]public double directDistanceToGoal = double.MaxValue;
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[OnDeserialized]
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internal void SetDefaultValues(StreamingContext context)
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{
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currentPathWeight = double.MaxValue;
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currentPathLength = double.MaxValue;
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directDistanceToGoal = double.MaxValue;
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}
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public OsmNode(ulong nodeId, float lat, float lon)
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{
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this.nodeId = nodeId;
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this.edges = new();
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this.coordinates = new Coordinates(lat, lon);
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}
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[JsonConstructor]
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public OsmNode(ulong nodeId, Coordinates coordinates)
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{
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this.nodeId = nodeId;
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this.edges = new();
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this.coordinates = coordinates;
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}
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public OsmEdge? GetEdgeToNode(OsmNode n)
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{
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HashSet<OsmEdge> e = edges.Where(edge => edge.neighborId == n.nodeId).ToHashSet();
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if (e.Count > 0)
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return e.First();
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else return null;
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}
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public override bool Equals(object? obj)
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{
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return obj != null && obj.GetType() == this.GetType() && ((OsmNode)obj).nodeId == this.nodeId;
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}
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public override string ToString()
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{
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if(previousPathNode is not null)
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return $"{nodeId} {coordinates} ec:{edges.Count} d:{directDistanceToGoal} w:{currentPathWeight} l:{currentPathLength} p:{previousPathNode.nodeId}";
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return
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$"{nodeId} {coordinates} ec:{edges.Count} d:{directDistanceToGoal} w:{currentPathWeight} l:{currentPathLength} null";
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}
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} |