private static MDLTexture ReadMDLTexture(BinaryReader br, int offset)
{
br.BaseStream.Seek(offset, SeekOrigin.Begin);
MDLTexture tex = new MDLTexture();
tex.tex_name_offset = br.ReadInt32();
tex.tex_flags = br.ReadInt32();
tex.tex_used = br.ReadInt32();
tex.unused_1 = br.ReadInt32();
tex.tex_material = br.ReadInt32();
tex.client_material = br.ReadInt32();
tex.unused_array = new int[10]; // 10
for (int i = 0; i < 10; i++)
{
tex.unused_array[i] = br.ReadInt32();
}
return tex;
}
public static bool ReadFile(string filename)
{
// Check filename and if file exists
if (!filename.EndsWith(".mdl") || !Path.HasExtension(filename))
{
System.Console.WriteLine("[MDLReader] Filename not accepted. (file:{0})", filename);
return false;
}
FCFile file = FileCache.Instance.GetFile(filename);
if (file == null)
{
System.Console.WriteLine("[MDLReader] MDL file not found. (file:{0})", filename);
return false;
}
srcModel = new SourceModel();
using (FileStream stream = File.OpenRead(file.FullName))
{
// Read header
BinaryReader br = new BinaryReader(stream);
MDLHeader header = ReadHeader(br);
// Check magic number
if (header.magic_number != MDLHeader.MDL_MAGIC_NUMBER)
{
System.Console.WriteLine("[MDLReader] Bad Magic number (file:{0})", filename);
return false;
}
// Read texture paths
string[] texturePaths = new string[header.num_texture_paths];
StringBuilder strBuilder = new StringBuilder(256);
for (int i = 0; i < header.num_texture_paths; i++)
{
// Seek to offset index
int indexoffset = header.texture_path_offset + (i * sizeof(int));
br.BaseStream.Seek(indexoffset, SeekOrigin.Begin);
// Get offset for this texture path
int texoffset = br.ReadInt32();
br.BaseStream.Seek(texoffset, SeekOrigin.Begin);
// Read name until \0 char is met
char curChar;
while((curChar = br.ReadChar()) != '\0' && strBuilder.Length < 256)
{
strBuilder.Append(curChar);
}
texturePaths[i] = strBuilder.ToString();
strBuilder.Length = 0;
}
// Read MDLTextures
string[] materialNames = new string[header.num_textures];
MDLTexture[] mdltexs = new MDLTexture[header.num_textures];
materials = new SourceMaterial[header.num_textures];
for (int i = 0; i < header.num_textures; i++)
{
// Seek to offset index
int indexoffset = header.texture_offset + (i * 64); // MDLTexture is 64b
MDLTexture mdltex = ReadMDLTexture(br, indexoffset);
// Get material name
br.BaseStream.Seek(indexoffset + mdltex.tex_name_offset, SeekOrigin.Begin);
// Read name until \0 char is met
char curChar;
while ((curChar = br.ReadChar()) != '\0' && strBuilder.Length < 256)
{
strBuilder.Append(curChar);
}
mdltexs[i] = mdltex;
materialNames[i] = strBuilder.ToString();
strBuilder.Length = 0;
// Load material
SourceMaterial material = TextureManager.Instance.LoadMaterial(materialNames[i]);
materials[i] = material;
}
// Process the main models bodyparts
for (int i = 0; i < header.num_body_parts; i++)
{
int offset = header.body_part_offset + (i * 16); // MDLBodyPart size = 16bytes
BodyPart bp = ReadBodyPart(br, offset);
srcModel.BodyParts.Add(bp);
}
// Read bones
for (int i = 0; i < header.num_bones; i++)
{
int offset = header.bone_offset + (i * 216);
mstudiobone_t bone = ReadBone(br, offset);
}
}
// Read VVD (Vertex Data) datafile
FCFile vvdFile = FileCache.Instance.GetFile(FCFile.GetFileName(file.FileName, false) + ".vvd");
if (vvdFile != null)
{
VVDReader.ReadFile(vvdFile.FullName);
}
// Read VTX (index & primitive data) file
FCFile vtxFile = FileCache.Instance.GetFile(FCFile.GetFileName(file.FileName, false) + ".dx90.vtx");
if (vtxFile != null)
{
VTXReader.ReadFile(vtxFile.FullName, srcModel);
}
return true;
}
