private static async Task <List <SvgLayer> > ParseSvgLayers(string filePath)
{
if (Path.GetExtension(filePath) == ".zip")
{
Console.WriteLine($"Terrain data loading from ZIP");
var zip = ZipFile.Open(filePath, ZipArchiveMode.Read);
var zipRef = new SharedDisposable <ZipArchive>(zip); //This ref will later do the disposing
List <SvgLayer> ret = new List <SvgLayer>();
foreach (var zipArchiveEntry in zip.Entries)
{
var layer = new SvgLayer();
layer.name = zipArchiveEntry.FullName;
layer.content = new MapLayerDataZipFile(zipArchiveEntry, zipRef.Acquire());
layer.width = (int)zipArchiveEntry.LastWriteTime.Add(zipArchiveEntry.LastWriteTime.Offset).AddYears(-30).ToUnixTimeSeconds();
ret.Add(layer);
}
return(ret);
}
if (Path.GetExtension(filePath) == ".svgz")
{
Console.WriteLine($"Terrain data is SVGZ, converting to zip...");
//process raw first
await Task.Run(() => ProcessRawSVGZ(filePath));
filePath = Path.ChangeExtension(filePath, "zip");
return(await Task.Run(() => ParseSvgLayers(filePath))); //Force seperate thread, as this is slow
}
if (Path.GetExtension(filePath) == ".svg")
{
Console.WriteLine($"Terrain data is SVG, converting to zip...");
//process raw first
await Task.Run(() => ProcessRawSVG(filePath));
filePath = Path.ChangeExtension(filePath, "zip");
return(await Task.Run(() => ParseSvgLayers(filePath))); //Force seperate thread, as this is slow
}
return(null);
}
public MapLayerDataZipFile(ZipArchiveEntry zipArchiveEntry, SharedDisposable <ZipArchive> .Reference reference)
{
this.zipArchiveEntry = zipArchiveEntry;
this.reference = reference;
}
public Reference(SharedDisposable <T> owner)
{
mOwner = owner;
}