public GeometryModel3D[] lightModels; // geo models
public static DiffuseMaterial GetMipMaterial(Miptex miptex)
{
if (miptex == null)
{
return(null);
}
WriteableBitmap bmp = new WriteableBitmap(miptex.width, miptex.height, 96, 96, PixelFormats.Indexed8, Bsp.colorPalette);
bmp.WritePixels(new Int32Rect(0, 0, miptex.width, miptex.height), miptex.texture1, miptex.width, 0);
var brush = new ImageBrush(bmp);
brush.TileMode = TileMode.Tile;
brush.ViewportUnits = BrushMappingMode.Absolute;
var material = new DiffuseMaterial(brush);
return(material);
}
public byte[] texture8; // 1/16 size
public static Miptex Read(BinaryReader br)
{
Miptex miptex = new Miptex();
var bytes = br.ReadBytes(16);
miptex.name = Encoding.ASCII.GetString(bytes, 0, bytes.ToList().IndexOf(0));
miptex.width = (int)br.ReadUInt32();
miptex.height = (int)br.ReadUInt32();
miptex.offset1 = (int)br.ReadUInt32();
miptex.offset2 = (int)br.ReadUInt32();
miptex.offset4 = (int)br.ReadUInt32();
miptex.offset8 = (int)br.ReadUInt32();
miptex.texture1 = br.ReadBytes((miptex.width * miptex.height));
miptex.texture2 = br.ReadBytes((miptex.width * miptex.height) / 4);
miptex.texture4 = br.ReadBytes((miptex.width * miptex.height) / 16);
miptex.texture8 = br.ReadBytes((miptex.width * miptex.height) / 64);
return(miptex);
}
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);
}
}
