private Leaf[] GetLeafs(Stream stream)
{
Lump lump = header.lumps[(int)LumpType.LUMP_LEAFS];
Leaf[] leafData = new Leaf[lump.length / 56];
stream.Position = lump.offset;
for (int i = 0; i < leafData.Length; i++)
{
leafData[i] = new Leaf();
leafData[i].contents = (ContentsFlag)UtilityReader.ReadInt(stream);
leafData[i].cluster = UtilityReader.ReadShort(stream);
leafData[i].area = UtilityReader.ReadShort(stream);
leafData[i].flags = UtilityReader.ReadShort(stream);
leafData[i].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 Header GetHeader(Stream stream)
{
Header header = new Header();
header.ident = UtilityReader.ReadInt(stream);
if (header.ident == (int)('V' + ('B' << 8) + ('S' << 16) + ('P' << 24)))
{
UtilityReader.BigEndian = false;
}
else
{
UtilityReader.BigEndian = true;
}
header.version = UtilityReader.ReadInt(stream);
header.lumps = new Lump[64];
for (int i = 0; i < header.lumps.Length; i++)
{
header.lumps[i] = new Lump();
header.lumps[i].type = (LumpType)i;
header.lumps[i].offset = UtilityReader.ReadInt(stream);
header.lumps[i].length = UtilityReader.ReadInt(stream);
header.lumps[i].version = UtilityReader.ReadInt(stream);
header.lumps[i].fourCC = UtilityReader.ReadInt(stream);
}
header.mapRevision = UtilityReader.ReadInt(stream);
return(header);
}
private Node[] GetNodes(Stream stream)
{
Lump lump = header.lumps[(int)LumpType.LUMP_NODES];
Node[] nodesData = new Node[lump.length / 32];
stream.Position = lump.offset;
for (int i = 0; i < nodesData.Length; i++)
{
nodesData[i] = new Node();
nodesData[i].planenum = UtilityReader.ReadInt(stream);
nodesData[i].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 int[] GetSurfedges(Stream stream)
{
Lump lump = header.lumps[(int)LumpType.LUMP_SURFEDGES];
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.LUMP_TEXINFO];
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.LUMP_BRUSHES];
Brush[] brushes = new Brush[lump.length / 12];
stream.Position = lump.offset;
for (int i = 0; i < brushes.Length; i++)
{
brushes[i] = new Brush();
brushes[i].firstside = UtilityReader.ReadInt(stream);
brushes[i].numsides = UtilityReader.ReadInt(stream);
brushes[i].contents = (ContentsFlag)UtilityReader.ReadInt(stream);
}
return(brushes);
}
private Face[] GetFaces(Stream stream)
{
Lump lump = header.lumps[(int)LumpType.LUMP_FACES];
stream.Position = lump.offset;
Face[] faces = new Face[lump.length / 56];
for (int i = 0; i < faces.Length; i++)
{
faces[i] = new Face();
faces[i].planeNumber = UtilityReader.ReadUShort(stream);
faces[i].side = UtilityReader.ReadByte(stream);
faces[i].onNode = UtilityReader.ReadByte(stream);
faces[i].firstEdge = UtilityReader.ReadInt(stream);
faces[i].numEdges = UtilityReader.ReadShort(stream);
faces[i].texinfo = UtilityReader.ReadShort(stream);
faces[i].dispinfo = UtilityReader.ReadShort(stream);
faces[i].surfaceFogVolumeID = UtilityReader.ReadShort(stream);
faces[i].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 Plane[] GetPlanes(Stream stream)
{
Lump lump = header.lumps[(int)LumpType.LUMP_PLANES];
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();
normal.x = UtilityReader.ReadFloat(stream);
normal.y = UtilityReader.ReadFloat(stream);
normal.z = UtilityReader.ReadFloat(stream);
planes[i].normal = normal;
planes[i].distance = UtilityReader.ReadFloat(stream);
planes[i].type = UtilityReader.ReadInt(stream);
}
return(planes);
}