public void Read(BinaryReader reader)
{
Offset = (uint)reader.BaseStream.Position;
Identifier = reader.ReadUInt32();
HeaderSize = reader.ReadUInt32();
TextureCount = reader.ReadUInt32();
reader.BaseStream.Seek(Offset + HeaderSize, SeekOrigin.Begin);
for (int i = 0; i < TextureCount; i++)
{
uint nodeOffset = (uint)reader.BaseStream.Position;
uint NodeIdentifier = reader.ReadUInt32();
uint NodeSize = reader.ReadUInt32();
if (NodeIdentifier == 0x4E584554) //TEXN
{
Texture tex = new Texture();
tex.TextureID = new TextureID(reader);
tex.Image = new PVRT(reader);
Textures.Add(tex);
}
else if (NodeIdentifier == 0x454D414E) //NAME
{
for (i = 0; i < ((NodeSize - 8) / 8); i++)
{
Texture tex = new Texture();
tex.TextureID = new TextureID(reader);
reader.BaseStream.Seek(-8, SeekOrigin.Current);
UInt64 idName = reader.ReadUInt64();
if (MT5.SearchTexturesOneDirUp)
{
FileStream fileStream = (FileStream)reader.BaseStream;
string dir = Path.GetDirectoryName(Path.GetDirectoryName(fileStream.Name));
TextureDatabase.SearchDirectory(dir);
}
if (MT5.UseTextureDatabase)
{
TEXN texture = TextureDatabase.FindTexture(idName);
if (texture != null)
{
tex.Image = texture.Texture;
Textures.Add(tex);
}
else
{
Textures.Add(tex);
}
}
}
}
reader.BaseStream.Seek(nodeOffset + NodeSize, SeekOrigin.Begin);
}
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
uint identifier = reader.ReadUInt32();
if (TEXL.IsValid(identifier))
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
TEXL = new TEXL(reader);
}
if (PTRL.IsValid(identifier))
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
PTRL = new PTRL(reader);
}
}
}
protected override void _Read(BinaryReader reader)
{
Offset = (uint)reader.BaseStream.Position;
Identifier = reader.ReadUInt32();
if (!IsValid(Identifier))
{
return;
}
Size = reader.ReadUInt32();
FirstNodeOffset = reader.ReadUInt32();
TextureCount = reader.ReadUInt32();
//Read texture entries if there are any
for (uint i = 0; i < TextureCount; i++)
{
TextureEntries.Add(new TextureEntry(reader));
}
foreach (TextureEntry entry in TextureEntries)
{
entry.ReadTextureID(reader);
}
//If we are not at the first node yet, we still have an node offset table to read
if (reader.BaseStream.Position != FirstNodeOffset)
{
NodeOffsetTableSize = reader.ReadUInt32();
for (int i = 0; i < NodeOffsetTableSize; i++)
{
NodeOffsetTable.Add(reader.ReadUInt32());
}
}
//Read first node and as an result create the whole node tree structure
reader.BaseStream.Seek(Offset + FirstNodeOffset, SeekOrigin.Begin);
RootNode = new MT7Node(reader, null);
//Search for optional extra sections until EOF
while (reader.BaseStream.Position < reader.BaseStream.Length - 4)
{
uint identifier = reader.ReadUInt32();
if (FACE.IsValid(identifier))
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
FACE = new FACE(reader);
}
else if (CLSG.IsValid(identifier))
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
CLSG = new CLSG(reader);
}
else if (TXT7.IsValid(identifier))
{
reader.BaseStream.Seek(-4, SeekOrigin.Current);
TXT7 = new TXT7(reader);
}
}
//Filling the texture entries with the actual textures
if (TXT7 != null)
{
foreach (TextureEntry entry in TextureEntries)
{
entry.Texture = TXT7.GetTexture(entry.TextureID);
}
}
if (SearchTexturesOneDirUp)
{
FileStream fileStream = (FileStream)reader.BaseStream;
string dir = Path.GetDirectoryName(Path.GetDirectoryName(fileStream.Name));
TextureDatabase.SearchDirectory(dir);
}
if (MT7.UseTextureDatabase)
{
foreach (TextureEntry entry in TextureEntries)
{
if (entry.Texture != null)
{
continue;
}
TEXN texture = TextureDatabase.FindTexture(entry.TextureID.Data);
if (texture == null)
{
Console.WriteLine("Couldn't find texture: {0}", entry.TextureID.Name);
continue;
}
entry.Texture = new Texture();
entry.Texture.TextureID = new TextureID(texture.TextureID);
entry.Texture.Image = texture.Texture;
}
}
//Populate base class textures
foreach (TextureEntry entry in TextureEntries)
{
if (entry.Texture == null)
{
entry.Texture = new Texture();
entry.Texture.TextureID = entry.TextureID;
}
Textures.Add(entry.Texture);
}
//Resolve the textures in the faces
RootNode.ResolveFaceTextures(Textures);
}