private Plane[] GetPlanes(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpPlanes];
Plane[] planes = new Plane[lump.Length / 20];
stream.Position = lump.Offset;
for (int i = 0; i < planes.Length; i++)
{
planes[i] = new Plane();
Vector3 normal = new Vector3
{
X = UtilityReader.ReadFloat(stream),
Y = UtilityReader.ReadFloat(stream),
Z = UtilityReader.ReadFloat(stream)
};
planes[i].normal = normal;
planes[i].distance = UtilityReader.ReadFloat(stream);
planes[i].type = UtilityReader.ReadInt(stream);
}
return(planes);
}
private Vector3[] GetVertices(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpVertexes];
stream.Position = lump.Offset;
Vector3[] vertices = new Vector3[(lump.Length / 3) / 4];
for (int i = 0; i < vertices.Length; i++)
{
vertices[i] = new Vector3
{
X = UtilityReader.ReadFloat(stream),
Y = UtilityReader.ReadFloat(stream),
Z = UtilityReader.ReadFloat(stream)
};
}
return(vertices);
}
private Face[] GetFaces(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpFaces];
stream.Position = lump.Offset;
Face[] faces = new Face[lump.Length / 56];
for (int i = 0; i < faces.Length; i++)
{
faces[i] = new Face
{
planeNumber = UtilityReader.ReadUShort(stream),
side = UtilityReader.ReadByte(stream),
onNode = UtilityReader.ReadByte(stream),
firstEdge = UtilityReader.ReadInt(stream),
numEdges = UtilityReader.ReadShort(stream),
texinfo = UtilityReader.ReadShort(stream),
dispinfo = UtilityReader.ReadShort(stream),
surfaceFogVolumeID = UtilityReader.ReadShort(stream),
styles = new byte[4]
};
faces[i].styles[0] = UtilityReader.ReadByte(stream);
faces[i].styles[1] = UtilityReader.ReadByte(stream);
faces[i].styles[2] = UtilityReader.ReadByte(stream);
faces[i].styles[3] = UtilityReader.ReadByte(stream);
faces[i].lightOffset = UtilityReader.ReadInt(stream);
faces[i].area = UtilityReader.ReadFloat(stream);
faces[i].LightmapTextureMinsInLuxels = new int[2];
faces[i].LightmapTextureMinsInLuxels[0] = UtilityReader.ReadInt(stream);
faces[i].LightmapTextureMinsInLuxels[1] = UtilityReader.ReadInt(stream);
faces[i].LightmapTextureSizeInLuxels = new int[2];
faces[i].LightmapTextureSizeInLuxels[0] = UtilityReader.ReadInt(stream);
faces[i].LightmapTextureSizeInLuxels[1] = UtilityReader.ReadInt(stream);
faces[i].originalFace = UtilityReader.ReadInt(stream);
faces[i].numPrims = UtilityReader.ReadUShort(stream);
faces[i].firstPrimID = UtilityReader.ReadUShort(stream);
faces[i].smoothingGroups = UtilityReader.ReadUInt(stream);
}
return(faces);
}
