public static VVDFixupEntry ReadFixupEntry(BinaryReader br)
{
VVDFixupEntry entry = new VVDFixupEntry();
entry.lod_number = br.ReadInt32();
entry.source_vertex_id = br.ReadInt32();
entry.num_vertices = br.ReadInt32();
return entry;
}
public static void ReadFile(string filename)
{
using (FileStream fs = File.OpenRead(filename))
{
BinaryReader br = new BinaryReader(fs);
// Read and check header
VVDHeader header = ReadHeader(br);
if (header.magic_number != VVDHeader.VVD_MAGIC_NUMBER)
{
System.Console.WriteLine("[VVDReader] Magic number invalid (file:{0})", filename);
return;
}
// Read fixup table
VVDFixupEntry[] fixupTable = new VVDFixupEntry[header.num_fixups];
br.BaseStream.Seek(header.fixup_table_offset, SeekOrigin.Begin);
for (int i = 0; i < header.num_fixups; i++)
{
fixupTable[i] = ReadFixupEntry(br);
}
vertex_buffer = new List<VVDVertex>[8];
int[] vertex_buffer_size = new int[8];
// Create vertex buffers
for (int i = 0; i < header.num_lods; i++)
{
// Create vb for this LOD
vertex_buffer[i] = new List<VVDVertex>(header.num_lod_verts[i]);
vertex_buffer_size[i] = header.num_lod_verts[i];
// Check for fixups
if (header.num_fixups > 0)
{
// Scan fixup table for this LOD
for (int j = 0; j < header.num_fixups; j++)
{
// check lod level
if (fixupTable[j].lod_number >= i)
{
// Seek
br.BaseStream.Seek(header.vertex_data_offset + (fixupTable[j].source_vertex_id * 48), SeekOrigin.Begin);
// Read
for (int h = 0; h < fixupTable[j].num_vertices; h++)
{
vertex_buffer[i].Add(ReadVertex(br));
}
}
}
}
else
{
// Seek to vertex data
br.BaseStream.Seek(header.vertex_data_offset, SeekOrigin.Begin);
// Read
for (int h = 0; h < header.num_lod_verts[i]; h++)
{
vertex_buffer[i].Add(ReadVertex(br));
}
}
// Scale to meters
if (false)
{
for (int j = 0; j < vertex_buffer_size[i]; j++)
{
//vertex_buffer[i][j].vertex_position *= 0.0254;
}
}
}
}
}