OSMServer/OSMDatastructure/Region.cs

74 lines
2.0 KiB
C#

using System.Text.Json;
using System.Text.Json.Serialization;
using OSMDatastructure.Graph;
namespace OSMDatastructure;
[Serializable]
public class Region
{
[JsonIgnore]public const float RegionSize = 0.025f;
[JsonIgnore]public static readonly JsonSerializerOptions serializerOptions = new()
{
IncludeFields = true,
MaxDepth = 32,
IgnoreReadOnlyFields = false//,
//WriteIndented = true
};
[JsonRequired]public HashSet<OsmNode> nodes { get; set; }
public ulong regionHash { get; }
[JsonRequired]public TagManager tagManager { get; set; }
[JsonConstructor]
public Region(ulong regionHash)
{
this.regionHash = regionHash;
tagManager = new TagManager();
nodes = new HashSet<OsmNode>();
}
public Region(Coordinates coordinates)
{
regionHash = Coordinates.GetRegionHashCode(coordinates);
tagManager = new TagManager();
nodes = new HashSet<OsmNode>();
}
public bool ContainsNode(ulong id)
{
return nodes.Any(node => node.nodeId == id);
}
public bool ContainsNode(Coordinates coordinates)
{
return nodes.Any(node => node.coordinates.Equals(coordinates));
}
public OsmNode? GetNode(ulong id)
{
if (ContainsNode(id))
return nodes.First(node => node.nodeId == id);
else return null;
}
public OsmNode? GetNode(Coordinates coordinates)
{
if (ContainsNode(coordinates))
return nodes.First(node => node.coordinates.Equals(coordinates));
else return null;
}
public static Region? FromFile(string filePath)
{
if (File.Exists(filePath))
return JsonSerializer.Deserialize<Region>(new FileStream(filePath, FileMode.Open), serializerOptions)!;
else return null;
}
public static Region? FromId(string path, ulong regionId)
{
string filePath = Path.Join(path, $"{regionId}.region");
return FromFile(filePath);
}
}