Added "sequential read" to fileoptions on deserialization.
This commit is contained in:
glax 2023-04-21 14:44:18 +02:00
parent 33232a7eb7
commit c43c6dc985

View File

@ -28,7 +28,7 @@ namespace Pathfinding
Region? loadedRegion = RegionFromId(id);
if(loadedRegion is not null)
_regions.Add(loadedRegion!.regionHash, value: loadedRegion);
_regions.Add(loadedRegion!.regionHash, loadedRegion);
return loadedRegion;
}
@ -42,7 +42,7 @@ namespace Pathfinding
if (!File.Exists(filePath))
return null;
FileStream regionFile = new (filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
FileStream regionFile = new (filePath, FileMode.Open, FileAccess.Read, FileShare.Read, (int)new FileInfo(filePath).Length, FileOptions.SequentialScan);
Region retRegion = JsonSerializer.Deserialize<Region>(regionFile, Region.serializerOptions)!;
regionFile.Dispose();
return retRegion;
@ -60,7 +60,7 @@ namespace Pathfinding
return r?.GetNode(nodeId);
}
public bool TestValidConnectionForType(OsmNode node1, OsmNode node2, Tag.SpeedType type)
public bool TestValidConnectionForType(OsmNode node1, OsmNode node2, SpeedType type)
{
foreach (OsmEdge edge in node1.edges)
{
@ -71,15 +71,15 @@ namespace Pathfinding
return false;
}
public bool TestValidConnectionForType(OsmNode node1, OsmEdge edge, Tag.SpeedType type)
public bool TestValidConnectionForType(OsmNode node1, OsmEdge edge, SpeedType type)
{
if (type == Tag.SpeedType.any)
if (type == SpeedType.any)
return true;
byte speed = GetSpeedForEdge(node1, edge.wayId, type);
return (speed is not 0);
}
public OsmNode? ClosestNodeToCoordinates(Coordinates coordinates, Tag.SpeedType vehicle)
public OsmNode? ClosestNodeToCoordinates(Coordinates coordinates, SpeedType vehicle)
{
OsmNode? closest = null;
double distance = double.MaxValue;
@ -89,7 +89,7 @@ namespace Pathfinding
foreach (OsmNode node in region.nodes)
{
bool hasConnectionUsingVehicle = true;
if (vehicle is not Tag.SpeedType.any)
if (vehicle is not SpeedType.any)
{
hasConnectionUsingVehicle = false;
foreach (OsmEdge edge in node.edges)
@ -110,21 +110,21 @@ namespace Pathfinding
return closest;
}
public byte GetSpeedForEdge(OsmNode node1, ulong wayId, Tag.SpeedType vehicle)
public byte GetSpeedForEdge(OsmNode node1, ulong wayId, SpeedType vehicle)
{
TagManager tags = GetRegion(node1.coordinates)!.tagManager;
Tag.WayType wayType = (Tag.WayType)tags.GetTag(wayId, Tag.TagType.highway)!;
WayType wayType = (WayType)tags.GetTag(wayId, Tag.TagType.highway)!;
byte speed = 0;
switch (vehicle)
{
case Tag.SpeedType.pedestrian:
case SpeedType.pedestrian:
speed = Tag.defaultSpeedPedestrian[wayType];
return speed;
case Tag.SpeedType.car:
case SpeedType.car:
byte? maxSpeed = (byte?)tags.GetTag(wayId, Tag.TagType.maxspeed);
speed = Tag.defaultSpeedCar[wayType];
return maxSpeed < speed ? (byte)maxSpeed : speed;
case Tag.SpeedType.any:
case SpeedType.any:
return 1;
default:
return 0;