private Node[] GetNodes(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpNodes];
Node[] nodesData = new Node[lump.Length / 32];
stream.Position = lump.Offset;
for (int i = 0; i < nodesData.Length; i++)
{
nodesData[i] = new Node
{
planenum = UtilityReader.ReadInt(stream),
children = new int[2]
};
nodesData[i].children[0] = UtilityReader.ReadInt(stream);
nodesData[i].children[1] = UtilityReader.ReadInt(stream);
nodesData[i].mins = new short[3];
nodesData[i].mins[0] = UtilityReader.ReadShort(stream);
nodesData[i].mins[1] = UtilityReader.ReadShort(stream);
nodesData[i].mins[2] = UtilityReader.ReadShort(stream);
nodesData[i].maxs = new short[3];
nodesData[i].maxs[0] = UtilityReader.ReadShort(stream);
nodesData[i].maxs[1] = UtilityReader.ReadShort(stream);
nodesData[i].maxs[2] = UtilityReader.ReadShort(stream);
nodesData[i].firstface = UtilityReader.ReadUShort(stream);
nodesData[i].numfaces = UtilityReader.ReadUShort(stream);
nodesData[i].area = UtilityReader.ReadShort(stream);
nodesData[i].paddding = UtilityReader.ReadShort(stream);
}
return(nodesData);
}
private Leaf[] GetLeafs(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpLeafs];
Leaf[] leafData = new Leaf[lump.Length / 56];
stream.Position = lump.Offset;
for (int i = 0; i < leafData.Length; i++)
{
leafData[i] = new Leaf
{
contents = (ContentsFlag)UtilityReader.ReadInt(stream),
cluster = UtilityReader.ReadShort(stream),
area = UtilityReader.ReadShort(stream),
flags = UtilityReader.ReadShort(stream),
mins = new short[3]
};
leafData[i].mins[0] = UtilityReader.ReadShort(stream);
leafData[i].mins[1] = UtilityReader.ReadShort(stream);
leafData[i].mins[2] = UtilityReader.ReadShort(stream);
leafData[i].maxs = new short[3];
leafData[i].maxs[0] = UtilityReader.ReadShort(stream);
leafData[i].maxs[1] = UtilityReader.ReadShort(stream);
leafData[i].maxs[2] = UtilityReader.ReadShort(stream);
leafData[i].firstleafface = UtilityReader.ReadUShort(stream);
leafData[i].numleaffaces = UtilityReader.ReadUShort(stream);
leafData[i].firstleafbrush = UtilityReader.ReadUShort(stream);
leafData[i].numleafbrushes = UtilityReader.ReadUShort(stream);
leafData[i].leafWaterDataID = UtilityReader.ReadShort(stream);
}
return(leafData);
}
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 int[] GetSurfedges(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpSurfedges];
int[] surfedges = new int[lump.Length / 4];
stream.Position = lump.Offset;
for (int i = 0; i < lump.Length / 4; i++)
{
surfedges[i] = UtilityReader.ReadInt(stream);
}
return(surfedges);
}
private SurfFlag[] GetTextureInfo(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpTexinfo];
SurfFlag[] textureData = new SurfFlag[lump.Length / 72];
stream.Position = lump.Offset;
for (int i = 0; i < textureData.Length; i++)
{
stream.Position += 64;
textureData[i] = (SurfFlag)UtilityReader.ReadInt(stream);
stream.Position += 4;
}
return(textureData);
}
private Brush[] GetBrushes(Stream stream)
{
Lump lump = _header.lumps[(int)LumpType.LumpBrushes];
Brush[] brushes = new Brush[lump.Length / 12];
stream.Position = lump.Offset;
for (int i = 0; i < brushes.Length; i++)
{
brushes[i] = new Brush
{
firstside = UtilityReader.ReadInt(stream),
numsides = UtilityReader.ReadInt(stream),
contents = (ContentsFlag)UtilityReader.ReadInt(stream)
};
}
return(brushes);
}
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);
}
private Header GetHeader(Stream stream)
{
Header header = new Header {
ident = UtilityReader.ReadInt(stream)
};
UtilityReader.BigEndian = header.ident != 'V' + ('B' << 8) + ('S' << 16) + ('P' << 24);
header.version = UtilityReader.ReadInt(stream);
header.lumps = new Lump[64];
for (int i = 0; i < header.lumps.Length; i++)
{
header.lumps[i] = new Lump
{
Type = (LumpType)i,
Offset = UtilityReader.ReadInt(stream),
Length = UtilityReader.ReadInt(stream),
Version = UtilityReader.ReadInt(stream),
FourCc = UtilityReader.ReadInt(stream)
};
}
header.mapRevision = UtilityReader.ReadInt(stream);
return(header);
}