public static List <Polygon> ReadAllPolygons(BinaryReader sectionReader)
{
List <Polygon> Polygons = new List <Polygon>();
uint polygonCount = sectionReader.ReadUInt32();
for (int i = 0; i < polygonCount; i++)
{
Polygon polygon = new Polygon();
for (int j = 0; j < 3; j++)
{
PolygonIndex polygonIndex = new PolygonIndex();
polygonIndex.Index = sectionReader.ReadUInt32();
polygonIndex.X = sectionReader.ReadSingle();
polygonIndex.Y = sectionReader.ReadSingle();
polygonIndex.Z = sectionReader.ReadSingle();
polygonIndex.U = sectionReader.ReadSingle();
polygonIndex.V = sectionReader.ReadSingle();
polygon.PolygonIndices.Add(polygonIndex);
}
Polygons.Add(polygon);
}
return(Polygons);
}
public static void LookupParentsByGeometry(List <GeoEntity> data, IEnumerable <GeometryData> crossreferences)
{
var polyIndex = new PolygonIndex();
polyIndex.AddRange(crossreferences);
data.ForEach(x => AddParents(x, polyIndex));
}
/// <summary>
/// Helper method to read a single polygon
/// </summary>
/// <param name="sectionReader">BinaryReader instance</param>
/// <param name="version">Version of the Puppet file</param>
/// <returns>An instance of <see cref="PangLib.PET.Models.Polygon"/></returns>
public static Polygon ReadPolygon(BinaryReader sectionReader, Version version)
{
Polygon polygon = new Polygon();
polygon.PolygonIndices = new PolygonIndex[3];
for (int i = 0; i < 3; i++)
{
PolygonIndex polygonIndex = new PolygonIndex
{
Index = sectionReader.ReadUInt32(),
X = sectionReader.ReadSingle(),
Y = sectionReader.ReadSingle(),
Z = sectionReader.ReadSingle()
};
if (version.Minor >= 2)
{
byte uvMapCount = sectionReader.ReadByte();
polygonIndex.UVMappings = new UVMapping[uvMapCount];
for (int j = 0; j < uvMapCount; j++)
{
UVMapping uvMapping = new UVMapping {
U = sectionReader.ReadSingle(),
V = sectionReader.ReadSingle()
};
polygonIndex.UVMappings[j] = uvMapping;
}
}
else
{
polygonIndex.UVMappings = new UVMapping[1];
UVMapping uvMapping = new UVMapping {
U = sectionReader.ReadSingle(),
V = sectionReader.ReadSingle()
};
polygonIndex.UVMappings[0] = uvMapping;
}
polygon.PolygonIndices[i] = polygonIndex;
}
return(polygon);
}
public static GeoEntity AddParents(GeoEntity entity, PolygonIndex index)
{
if (entity.Location == null)
{
return(entity);
}
var entities = index.Search(entity.Location);
entity.Parents = entities.Select(x => new GeoEntityId
{
DataType = x.DataType,
Name = x.Name,
Reference = x.Reference
}).ToList();
return(entity);
}
