protected internal override Model Read(ContentReader reader, Model existingInstance)
{
// Read the bone names and transforms.
uint boneCount = reader.ReadUInt32();
//Debug.WriteLine("Bone count: {0}", boneCount);
var bones = new List <ModelBone>((int)boneCount);
for (uint i = 0; i < boneCount; i++)
{
string name = reader.ReadObject <string>();
var matrix = reader.ReadMatrix4x4();
var bone = new ModelBone {
Transform = matrix, Index = (int)i, Name = name
};
bones.Add(bone);
}
// Read the bone hierarchy.
for (int i = 0; i < boneCount; i++)
{
var bone = bones[i];
//Debug.WriteLine("Bone {0} hierarchy:", i);
// Read the parent bone reference.
//Debug.WriteLine("Parent: ");
var parentIndex = ReadBoneReference(reader, boneCount);
if (parentIndex != -1)
{
bone.Parent = bones[parentIndex];
}
// Read the child bone references.
uint childCount = reader.ReadUInt32();
if (childCount != 0)
{
//Debug.WriteLine("Children:");
for (uint j = 0; j < childCount; j++)
{
var childIndex = ReadBoneReference(reader, boneCount);
if (childIndex != -1)
{
bone.AddChild(bones[childIndex]);
}
}
}
}
var meshes = new List <ModelMesh>();
//// Read the mesh data.
int meshCount = reader.ReadInt32();
//Debug.WriteLine("Mesh count: {0}", meshCount);
for (int i = 0; i < meshCount; i++)
{
//Debug.WriteLine("Mesh {0}", i);
string name = reader.ReadObject <string>();
var parentBoneIndex = ReadBoneReference(reader, boneCount);
var boundingSphere = reader.ReadBoundingSphere();
// Tag
var meshTag = reader.ReadObject <object>();
// Read the mesh part data.
int partCount = reader.ReadInt32();
//Debug.WriteLine("Mesh part count: {0}", partCount);
var parts = new List <ModelMeshPart>(partCount);
for (uint j = 0; j < partCount; j++)
{
ModelMeshPart part;
if (existingInstance != null)
{
part = existingInstance.Meshes[i].MeshParts[(int)j];
}
else
{
var mesh = new ModelMesh(parts, bones[parentBoneIndex]);
mesh.ParentBone.AddMesh(mesh);
mesh.BoundingSphere = boundingSphere;
meshes.Add(mesh);
part = new ModelMeshPart(mesh);
}
part.VertexOffset = reader.ReadInt32();
part.VertexCount = reader.ReadInt32();
part.StartIndex = reader.ReadInt32();
part.PrimitiveCount = reader.ReadInt32();
part.Tag = reader.ReadObject <object>();
parts.Add(part);
int jj = (int)j;
reader.ReadSharedResource(delegate(VertexBuffer v)
{
parts[jj].VertexBuffer = v;
});
reader.ReadSharedResource(delegate(IndexBuffer v)
{
parts[jj].IndexBuffer = v;
});
reader.ReadSharedResource(delegate(Effect v)
{
parts[jj].Effect = v;
});
}
}
if (existingInstance != null)
{
// Read past remaining data and return existing instance
ReadBoneReference(reader, boneCount);
reader.ReadObject <object>();
return(existingInstance);
}
// Read the final pieces of model data.
var rootBoneIndex = ReadBoneReference(reader, boneCount);
var model = new Model(reader.GetGraphicsDevice(), bones, meshes)
{
Root = bones[rootBoneIndex]
};
model.BuildHierarchy();
// Tag?
model.Tag = reader.ReadObject <object>();
return(model);
}