public Vector3 GetAbsolutePosition(SkinnedModelBone bone)
{
Vector3 current = bone.Origin;
int parentId = bone.ParentIndex;
while (parentId >= 0)
{
current += model.Bones[parentId].Origin;
parentId = model.Bones[parentId].ParentIndex;
}
return(current);
}
public static SkinnedModelBone ReadBinary(BinaryReader reader)
{
var returnBone = new SkinnedModelBone();
returnBone.Name = reader.ReadNullTerminatedString();
returnBone.ParentIndex = reader.ReadInt32();
returnBone.Origin = reader.ReadVector3();
Matrix3x3 mtx = new Matrix3x3();
for (int i = 0; i < 3; i++)
{
float x = reader.ReadInt16() / 32767f;
float y = reader.ReadInt16() / 32767f;
float z = reader.ReadInt16() / 32767f;
mtx.SetRow(i, new Vector3(x, y, z));
}
returnBone.Matrix = mtx;
return(returnBone);
}
public static WTSkinnedModel ReadBinary(Stream stream)
{
var reader = new BinaryReader(stream);
//Header is 5 bytes long. V2.0 + a null byte
int headerMagic = reader.ReadInt32();
byte nullByte = reader.ReadByte();
if (headerMagic != HEADER_MAGIC || nullByte != 0)
{
reader.Dispose();
throw new Exception("Bad SMS header!");
}
reader.BaseStream.Seek(4, SeekOrigin.Current);
//cosntruct model
var returnModel = new WTSkinnedModel();
int objectCount = reader.ReadInt32();
int unkCount = reader.ReadInt32();
int tagCount = reader.ReadInt32();
int materialCount = reader.ReadInt32();
int textureCount = reader.ReadInt32();
//textures
for (int i = 0; i < textureCount; i++)
{
string tex = reader.ReadNullTerminatedString();
int id = reader.ReadInt32();
returnModel.Textures.Add(id, tex);
}
//materials
for (int i = 0; i < materialCount; i++)
{
var material = WTMaterial.ReadBinary(reader);
returnModel.Materials.Add(material.ID, material);
}
//weird tag list
for (int i = 0; i < tagCount; i++)
{
string item1 = reader.ReadNullTerminatedString();
bool hasPair2 = reader.ReadUInt16() != 0;
string item2 = (hasPair2) ? reader.ReadNullTerminatedString() : null;
returnModel.UnkStringList.Add(new Tuple <string, string>(item1, item2));
}
for (int i = 0; i < objectCount; i++)
{
var obj = WTSkinnedObject.ReadBinary(reader);
returnModel.Objects.Add(obj);
}
//read bone count
int boneCount = reader.ReadInt32();
for (int i = 0; i < boneCount; i++)
{
returnModel.Bones.Add(SkinnedModelBone.ReadBinary(reader));
}
reader.Dispose();
return(returnModel);
}
