OSMServer/Pathfinding/RegionManager.cs

64 lines
1.8 KiB
C#

using OSMDatastructure;
using OSMDatastructure.Graph;
namespace OSMImporter
{
public class RegionManager
{
private string workingDirectory { get; }
private readonly Dictionary<ulong, Region> _regions = new();
public RegionManager(string workingDirectory)
{
this.workingDirectory = workingDirectory;
}
public Region? GetRegion(Coordinates coordinates)
{
return GetRegion(Coordinates.GetRegionHashCode(coordinates));
}
public Region? GetRegion(ulong id)
{
if(_regions.TryGetValue(id, out Region? value))
return value;
else
{
Region? loadedRegion = LoadRegion(id);
if(loadedRegion is not null)
_regions.Add(loadedRegion!.regionHash, value: loadedRegion);
return loadedRegion;
}
}
public Region[] GetAllRegions()
{
return this._regions.Values.ToArray();
}
private Region? LoadRegion(Coordinates coordinates)
{
return LoadRegion(Coordinates.GetRegionHashCode(coordinates));
}
private Region? LoadRegion(ulong id)
{
Console.WriteLine($"Load Region {id}");
return Region.FromId(workingDirectory, id);
}
public OsmNode? GetNode(Coordinates coordinates)
{
Region? regionWithNode = GetRegion(coordinates);
if (regionWithNode is not null)
return regionWithNode.GetNode(coordinates);
else return null;
}
public OsmNode? GetNode(ulong nodeId, ulong regionId)
{
Region? r = GetRegion(regionId);
return r?.GetNode(nodeId);
}
}
}