public ValveVertexLightingFile(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
var version = reader.ReadInt32();
Debug.Assert(version == 2);
var checksum = reader.ReadInt32();
var vertFlags = reader.ReadUInt32();
var vertSize = reader.ReadUInt32();
var vertCount = reader.ReadUInt32();
var meshCount = reader.ReadInt32();
reader.ReadInt64(); // Unused
reader.ReadInt64(); // Unused
var meshHeaders = new List <VhvMeshHeader>();
LumpReader <VhvMeshHeader> .ReadLumpFromStream(stream, meshCount, meshHeaders);
_samples = new VertexData4[meshHeaders.Max(x => x.Lod) + 1][][];
for (var i = 0; i < _samples.Length; ++i)
{
_samples[i] = new VertexData4[meshHeaders.Count(x => x.Lod == i)][];
}
foreach (var meshHeader in meshHeaders)
{
stream.Seek(meshHeader.VertOffset, SeekOrigin.Begin);
var samples = _samples[meshHeader.Lod];
var meshIndex = Array.IndexOf(samples, null);
if (vertFlags == 2)
{
samples[meshIndex] = LumpReader <VertexData2> .ReadLumpFromStream(stream, meshHeader.VertCount, x => x.GetVertexColor());
}
else
{
samples[meshIndex] = LumpReader <VertexData4> .ReadLumpFromStream(stream, meshHeader.VertCount, x => x.GetVertexColor());
}
}
}
}
public ValveVertexLightingFile(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
var version = (int)reader.ReadByte();
var baseOffset = 0;
if (version == 0)
{
// First 3 bytes are missing :(
version = 2;
baseOffset = -3;
}
else
{
version |= reader.ReadByte() << 8;
version |= reader.ReadUInt16() << 16;
}
if (version != 2)
{
throw new NotSupportedException($"Vertex lighting file version {version:x} is not supported.");
}
var checksum = reader.ReadInt32();
var vertFlags = reader.ReadUInt32();
var vertSize = reader.ReadUInt32();
var vertCount = reader.ReadUInt32();
var meshCount = reader.ReadInt32();
var unused0 = reader.ReadInt64(); // Unused
var unused1 = reader.ReadInt64(); // Unused
var meshHeaders = new List <VhvMeshHeader>();
LumpReader <VhvMeshHeader> .ReadLumpFromStream(stream, meshCount, meshHeaders);
_samples = new VertexData4[meshHeaders.Max(x => x.Lod) + 1][][];
for (var i = 0; i < _samples.Length; ++i)
{
_samples[i] = new VertexData4[meshHeaders.Count(x => x.Lod == i)][];
}
foreach (var meshHeader in meshHeaders)
{
stream.Seek(meshHeader.VertOffset + baseOffset, SeekOrigin.Begin);
var samples = _samples[meshHeader.Lod];
var meshIndex = Array.IndexOf(samples, null);
if (vertFlags == 2)
{
samples[meshIndex] = LumpReader <VertexData2> .ReadLumpFromStream(stream, meshHeader.VertCount, x => x.GetVertexColor());
}
else
{
samples[meshIndex] = LumpReader <VertexData4> .ReadLumpFromStream(stream, meshHeader.VertCount, x => x.GetVertexColor());
}
}
}
}
