/// <summary>
/// Initializes a new instance of the <see cref="MeshModelPart" /> class.
/// </summary>
/// <param name="metaData">The meta data.</param>
private MeshModelPart(MeshModelMetadata metaData)
{
ConstructGeometry(new Mesh[0], new Edge[0]);
Metadata = metaData;
UpdateTriangulationHash();
MeshValues = new MeshValueList[0];
Thumbnail = null;
}
/// <summary>
/// Reads the data from the specified <paramref name="subFolder"/> in the specified <paramref name="zipFile"/> and deserializes the data found in it.
/// If no <paramref name="subFolder"/> is specified, the method deserializes the data in the <paramref name="zipFile"/>s root directory.
/// </summary>
public static MeshModelPart Deserialize(ZipArchive zipFile, string subFolder = "")
{
var result = new MeshModelPart(new MeshModelMetadata());
var fileVersion10 = new Version(1, 0, 0, 0);
// Metadaten lesen
using (var entryStream = zipFile.GetEntry(Path.Combine(subFolder, "Metadata.xml")).Open())
{
result.Metadata = MeshModelMetadata.ReadFrom(entryStream);
}
// Versionscheck
var fileVersion = result.Metadata.FileVersion;
if (fileVersion < fileVersion10)
{
throw new InvalidOperationException(MeshModelHelper.GetResource <MeshModel>("OldFileVersionError_Text"));
}
if (fileVersion.Major > MeshModel.MeshModelFileVersion.Major)
{
throw new InvalidOperationException(MeshModelHelper.FormatResource <MeshModel>("FileVersionError_Text", fileVersion, MeshModel.MeshModelFileVersion));
}
// Vorschaubild lesen
var thumbnailEntry = zipFile.GetEntry(Path.Combine(subFolder, "PreviewImage.png"));
if (thumbnailEntry != null)
{
using (var entryStream = thumbnailEntry.Open())
{
result._Thumbnail = MeshModelHelper.StreamToArray(entryStream);
}
}
// Triangulierungsdaten lesen
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, "Meshes.dat")).Open()))
{
var meshCount = binaryReader.ReadInt32();
var meshes = new List <Mesh>(meshCount);
for (var i = 0; i < meshCount; i++)
{
meshes.Add(Mesh.Read(binaryReader, i, fileVersion));
}
result.Meshes = meshes.ToArray();
}
// Edgedaten lesen
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, "Edges.dat")).Open()))
{
var edgeCount = binaryReader.ReadInt32();
var edges = new List <Edge>(edgeCount);
for (var i = 0; i < edgeCount; i++)
{
edges.Add(Edge.Read(binaryReader, fileVersion));
}
// we don't try to create a single-point edge
result.Edges = edges.Where(e => e.Points?.Length > 3).ToArray();
}
// Datenwerte lesen
var meshValueList = new List <MeshValueList>(result.Metadata.MeshValueEntries?.Length ?? 0);
foreach (var entry in result.Metadata.MeshValueEntries ?? new MeshValueEntry[0])
{
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, entry.Filename)).Open()))
{
meshValueList.Add(MeshValueList.Read(binaryReader, entry, fileVersion));
}
}
result.MeshValues = meshValueList.ToArray();
// falls Guid noch nicht Teil der Metadaten war, dann hier stabile (und hoffentlich eindeutige) Guid den Metadaten zuweisen
if (fileVersion < new Version(3, 1, 0, 0))
{
result.Metadata.Guid = MeshModelGuidGenerator.GenerateGuids(zipFile.Entries.Where(e => string.Equals(Path.GetDirectoryName(e.FullName), subFolder, StringComparison.OrdinalIgnoreCase)));
}
return(result);
}
/// <summary>
/// Reads the data from the specified <paramref name="subFolder"/> in the specified <paramref name="zipFile"/> and deserializes the data found in it.
/// If no <paramref name="subFolder"/> is specified, the method deserializes the data in the <paramref name="zipFile"/>s root directory.
/// </summary>
public static MeshModelPart Deserialize(ZipArchive zipFile, string subFolder = "")
{
var fileVersion10 = new Version(1, 0, 0, 0);
var result = new MeshModelPart(new MeshModelMetadata());
result.Metadata = MeshModelMetadata.ExtractFrom(zipFile, subFolder);
// Versionschecks
var fileVersion = result.Metadata.FileVersion;
if (fileVersion < fileVersion10)
{
throw new InvalidOperationException(MeshModelHelper.GetResource <MeshModel>("OldFileVersionError_Text"));
}
if (fileVersion.Major > MeshModel.MeshModelFileVersion.Major)
{
throw new InvalidOperationException(MeshModelHelper.FormatResource <MeshModel>("FileVersionError_Text", fileVersion, MeshModel.MeshModelFileVersion));
}
// Vorschaubild lesen
var thumbnailEntry = zipFile.GetEntry(Path.Combine(subFolder, "PreviewImage.png"));
if (thumbnailEntry != null)
{
using (var entryStream = thumbnailEntry.Open())
{
result._Thumbnail = MeshModelHelper.StreamToArray(entryStream);
}
}
// Triangulierungsdaten lesen
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, "Meshes.dat")).Open()))
{
var meshCount = binaryReader.ReadInt32();
var meshes = new List <Mesh>(meshCount);
for (var i = 0; i < meshCount; i++)
{
meshes.Add(Mesh.Read(binaryReader, i, fileVersion));
}
result.Meshes = meshes.ToArray();
}
// Edgedaten lesen
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, "Edges.dat")).Open()))
{
var edgeCount = binaryReader.ReadInt32();
var edges = new List <Edge>(edgeCount);
for (var i = 0; i < edgeCount; i++)
{
edges.Add(Edge.Read(binaryReader, fileVersion));
}
// we don't try to create a single-point edge
result.Edges = edges.Where(e => e.Points?.Length > 3).ToArray();
}
// Datenwerte lesen
var meshValueList = new List <MeshValueList>(result.Metadata.MeshValueEntries?.Length ?? 0);
foreach (var entry in result.Metadata.MeshValueEntries ?? new MeshValueEntry[0])
{
using (var binaryReader = new BinaryReader(zipFile.GetEntry(Path.Combine(subFolder, entry.Filename)).Open()))
{
meshValueList.Add(MeshValueList.Read(binaryReader, entry, fileVersion));
}
}
result.MeshValues = meshValueList.ToArray();
return(result);
}