public static Mipheader Read(BinaryReader br)
{
Mipheader mipheader = new Mipheader();
mipheader.numtex = br.ReadInt32();
mipheader.offset = new Int32[mipheader.numtex];
for (int i = 0; i < mipheader.numtex; i++)
{
mipheader.offset[i] = br.ReadInt32();
}
return(mipheader);
}
public static Bsp Read(byte[] buf)
{
using (var ms = new MemoryStream(buf))
using (var br = new BinaryReader(ms)) {
Header header = Header.Read(br);
Bsp bsp = new Bsp();
bsp.entities = ReadItems(br, header.entities, (b) => Entity.Read(b));
bsp.planes = ReadItems(br, header.planes, (b) => Plane.Read(b));
br.BaseStream.Seek(header.miptex.offset, SeekOrigin.Begin);
bsp.mipheader = Mipheader.Read(br);
bsp.miptexs = new Miptex[bsp.mipheader.numtex];
for (int i = 0; i < bsp.miptexs.Length; i++)
{
if (bsp.mipheader.offset[i] == -1)
{
continue;
}
br.BaseStream.Seek(header.miptex.offset + bsp.mipheader.offset[i], SeekOrigin.Begin);
bsp.miptexs[i] = Miptex.Read(br);
}
bsp.vertices = ReadItems(br, header.vertices, (b) => new Vector3D(b.ReadSingle(), b.ReadSingle(), b.ReadSingle()));
bsp.vislist = ReadItems(br, header.visilist, (b) => b.ReadByte());
bsp.nodes = ReadItems(br, header.nodes, (b) => Node.Read(b));
bsp.texinfo = ReadItems(br, header.texinfo, (b) => TexInfo.Read(b));
bsp.faces = ReadItems(br, header.faces, (b) => Face.Read(b));
bsp.lightmaps = ReadItems(br, header.lightmaps, (b) => b.ReadByte());
bsp.clipnodes = ReadItems(br, header.clipnodes, (b) => Clipnode.Read(b));
bsp.leafs = ReadItems(br, header.leafs, (b) => Leaf.Read(b));
bsp.lface = ReadItems(br, header.lface, (b) => b.ReadUInt16());
bsp.edges = ReadItems(br, header.edges, (b) => Edge.Read(b));
bsp.ledges = ReadItems(br, header.ledges, (b) => b.ReadInt32());
bsp.models = ReadItems(br, header.models, (b) => Model.Read(b));
bsp.mipMaterials = bsp.miptexs.Select((mip) => GetMipMaterial(mip)).ToArray();
bsp.mipModels = bsp.faces.Select((face) => bsp.GetMipModel(face)).ToArray();
bsp.lightModels = bsp.faces.Select((face) => bsp.GetLightModel(face)).ToArray();
return(bsp);
}
}