private static void ParseNode(BinaryReader reader, string stringBlock, int nodeBlockStart, int nodeStart, int dataBlockOffset, UtfNode parent)
{
int offset = nodeBlockStart + nodeStart;
reader.BaseStream.Position = offset;
int peerOffset = reader.ReadInt32(); // next node on same level
int nameOffset = reader.ReadInt32(); // string for this node
NodeFlags flags = (NodeFlags)reader.ReadInt32();
// int zero = reader.ReadInt32();
reader.BaseStream.Position += ByteLen.Int;
UtfNode node = new UtfNode
{
Name = stringBlock.Substring(nameOffset, stringBlock.IndexOf('\0', nameOffset) - nameOffset)
};
if ((flags & NodeFlags.Intermediate) == NodeFlags.Intermediate)
{
int childOffset = reader.ReadInt32();
if (childOffset > 0)
{
ParseNode(reader, stringBlock, nodeBlockStart, childOffset, dataBlockOffset, node);
}
// int allocatedSize = reader.ReadInt32();
// int size = reader.ReadInt32();
// int size2 = reader.ReadInt32();
// int timestamp1 = reader.ReadInt32();
// int timestamp2 = reader.ReadInt32();
// int timestamp3 = reader.ReadInt32();
}
else if ((flags & NodeFlags.Leaf) == NodeFlags.Leaf)
{
int dataOffset = reader.ReadInt32();
// int allocatedSize = reader.ReadInt32();
reader.BaseStream.Position += ByteLen.Int;
int size = reader.ReadInt32();
// int size2 = reader.ReadInt32();
// int timestamp1 = reader.ReadInt32();
// int timestamp2 = reader.ReadInt32();
// int timestamp3 = reader.ReadInt32();
reader.BaseStream.Position = dataBlockOffset + dataOffset;
node.Data = reader.ReadBytes(size);
}
parent.Nodes.Add(node);
if (peerOffset > 0)
{
ParseNode(reader, stringBlock, nodeBlockStart, peerOffset, dataBlockOffset, parent);
}
}
private static VMeshRef ParseMeshPartNode(UtfNode meshPartNode)
{
if (meshPartNode.Nodes.Count > 0)
{
return(new VMeshRef(meshPartNode.Nodes[0].Data));
}
return(null);
}
private static VMeshRef ParseMultiLevelNode(UtfNode node)
{
foreach (UtfNode levelNode in node.Nodes)
{
if (levelNode.Name.Equals("level0", StringComparison.OrdinalIgnoreCase) && levelNode.Nodes.Count > 0)
{
return(ParseMeshPartNode(levelNode.Nodes[0]));
}
}
return(null);
}
public UtfNode Read()
{
using (FileStream stream = new FileStream(this.File, FileMode.Open, FileAccess.Read, FileShare.Read))
using (BinaryReader reader = new BinaryReader(stream))
{
if (stream.Length < ByteLen.FileTag + ByteLen.Int ||
Encoding.ASCII.GetString(reader.ReadBytes(ByteLen.FileTag)) != FILE_TYPE ||
reader.ReadInt32() != FILE_VERSION)
{
return(null);
}
// get node info
int nodeBlockOffset = reader.ReadInt32();
// int nodeBlockSize = reader.ReadInt32();
// int unknown1 = reader.ReadInt32();
// int header_size = reader.ReadInt32();
stream.Position += ByteLen.Int * 3;
// get string info
int stringBlockOffset = reader.ReadInt32();
int stringBlockSize = reader.ReadInt32();
// int unknown2 = reader.ReadInt32();
stream.Position += ByteLen.Int;
// get data info
int dataBlockOffset = reader.ReadInt32();
// goto string block
stream.Position = stringBlockOffset;
// read string block
byte[] buffer = new byte[stringBlockSize];
reader.Read(buffer, 0, stringBlockSize);
string stringBlock = Encoding.ASCII.GetString(buffer);
UtfNode info = new UtfNode();
ParseNode(reader, stringBlock, nodeBlockOffset, 0, dataBlockOffset, info);
return(info);
}
}
public static Model3D LoadModel(string file)
{
UtfManager utfManager = new UtfManager(file);
UtfNode root = utfManager.Read();
if (root == null || root.Nodes.Count == 0)
{
return(null);
}
// select root (\) node
root = root.Nodes[0];
Dictionary <uint, VMeshData> meshes = null;
List <MeshReferenceMatch> meshReferenceNodes = new List <MeshReferenceMatch>();
List <CmpPart> constructs = new List <CmpPart>();
Dictionary <string, string> mapFileToObj = new Dictionary <string, string>
{
{ "\\", "Model" }
};
foreach (UtfNode node in root.Nodes)
{
switch (node.Name.ToLowerInvariant())
{
case "vmeshlibrary":
meshes = new Dictionary <uint, VMeshData>(node.Nodes.Count);
foreach (UtfNode vmsNode in node.Nodes)
{
if (vmsNode.Nodes.Count > 0)
{
meshes.Add(CrcTool.FlModelCrc(vmsNode.Name), new VMeshData(vmsNode.Nodes[0].Data));
}
}
break;
case "cmpnd":
foreach (UtfNode cmpndNode in node.Nodes)
{
if (cmpndNode.Name.Equals("cons", StringComparison.OrdinalIgnoreCase))
{
foreach (UtfNode constructNode in cmpndNode.Nodes)
{
switch (constructNode.Name.ToLowerInvariant())
{
case "fix":
FixConstruct.Parse(constructs, constructNode.Data);
break;
case "rev":
RevConstruct.Parse(constructs, constructNode.Data);
break;
case "pris":
PrisConstruct.Parse(constructs, constructNode.Data);
break;
case "sphere":
SphereConstruct.Parse(constructs, constructNode.Data);
break;
}
}
}
else if (cmpndNode.Name.StartsWith("part_", StringComparison.OrdinalIgnoreCase) ||
cmpndNode.Name.Equals("root", StringComparison.OrdinalIgnoreCase))
{
string objectName = null;
string fileName = null;
// int index = -1;
foreach (UtfNode partNode in cmpndNode.Nodes)
{
switch (partNode.Name.ToLowerInvariant())
{
case "object name":
objectName = Encoding.ASCII.GetString(partNode.Data).TrimEnd('\0');
break;
case "file name":
fileName = Encoding.ASCII.GetString(partNode.Data).TrimEnd('\0');
break;
// case "index":
// index = BitConverter.ToInt32(partNode.Data, 0);
// break;
}
}
if (objectName != null && fileName != null)
{
mapFileToObj[fileName] = objectName;
}
}
}
break;
case "multilevel":
// multi LoD 3db model (\MultiLevel\Level0\VMeshPart\VMeshRef => \)
VMeshRef meshReference2 = ParseMultiLevelNode(node);
if (meshReference2 != null)
{
meshReferenceNodes.Add(new MeshReferenceMatch {
FileName = "\\", MeshReference = meshReference2
});
}
break;
case "vmeshpart":
// single LoD 3db model (\VMeshPart\VMeshRef => \)
VMeshRef meshReference3 = ParseMeshPartNode(node);
if (meshReference3 != null)
{
meshReferenceNodes.Add(new MeshReferenceMatch {
FileName = "\\", MeshReference = meshReference3
});
}
break;
default:
if (node.Name.EndsWith(".3db", StringComparison.OrdinalIgnoreCase))
{
foreach (UtfNode subNode in node.Nodes)
{
if (subNode.Name.Equals("multilevel", StringComparison.OrdinalIgnoreCase))
{
// multi LoD cmp model (\PARTNAME.3db\MultiLevel\Level0\VMeshPart\VMeshRef => PARTNAME.3db)
VMeshRef meshReference = ParseMultiLevelNode(subNode);
if (meshReference != null)
{
meshReferenceNodes.Add(new MeshReferenceMatch {
FileName = node.Name, MeshReference = meshReference
});
}
break;
}
if (subNode.Name.Equals("vmeshpart", StringComparison.OrdinalIgnoreCase))
{
// single LoD cmp model (\PARTNAME.3db\VMeshPart\VMeshRef => PARTNAME.3db)
VMeshRef meshReference = ParseMeshPartNode(subNode);
if (meshReference != null)
{
meshReferenceNodes.Add(new MeshReferenceMatch {
FileName = node.Name, MeshReference = meshReference
});
}
break;
}
}
}
break;
}
}
if (meshes == null || meshReferenceNodes.Count == 0)
{
return(null);
}
List <MeshGroup> meshGroups = new List <MeshGroup>();
foreach (MeshReferenceMatch meshReferenceNode in meshReferenceNodes)
{
string meshGroupName;
if (mapFileToObj.TryGetValue(meshReferenceNode.FileName, out meshGroupName))
{
VMeshData mesh;
if (meshes.TryGetValue(meshReferenceNode.MeshReference.VMeshLibId, out mesh))
{
meshGroups.Add(new MeshGroup
{
MeshReference = meshReferenceNode.MeshReference,
Mesh = mesh,
Transform = GetTransform(constructs, meshGroupName)
});
}
}
}
return(GetCmpModelGroup(meshGroups));
}
