/// <summary>
/// Creates a BoundingSphere from a given ModelMesh.
/// </summary>
/// <param name="mesh">ModelMesh to create BoundingSphere from.</param>
/// <param name="roomNum">0-based room number.</param>
/// <param name="modelPos">Position of Model in world space.</param>
/// <returns></returns>
public static BoundingSphere CreateBoundingSphere(ModelMesh mesh, string roomNum, Vector3 modelPos)
{
BoundingSphere b;
XmlDocument read = new XmlDocument();
XmlNode l;
Matrix world;
Vector3 pos;
/*Matrix[] boneTransforms = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(boneTransforms);*/
read.Load(string.Format("Content/Models/Rooms/XML/{0}.xml", roomNum));
l = read.SelectSingleNode(string.Format("/Meshes/{0}", mesh.Name));
pos = new Vector3(float.Parse(l.Attributes["X"].Value),
float.Parse(l.Attributes["Y"].Value),
float.Parse(l.Attributes["Z"].Value));
pos += new Vector3(modelPos.X, 0, modelPos.Z);
world = Matrix.Translation(pos);
b = new BoundingSphere(pos, float.Parse(l.Attributes["Radius"].Value));
/*for (int i = 0; i < model.Meshes.Count; i++)
{
meshSphere = TransformBoundingSphere(boneTransforms[i], model.Meshes[i].BoundingSphere);
boundingSphere = BoundingSphere.Merge(boundingSphere, meshSphere);
}*/
return TransformBoundingSphere(world, mesh.BoundingSphere);
}
protected virtual void ReadMesh(ref ModelMesh mesh)
{
CurrentMesh = mesh;
Serialize(ref mesh.name, false, SerializeFlags.Nullable);
int parentBoneIndex = Reader.ReadInt32();
if (parentBoneIndex >= 0)
{
mesh.ParentBone = Model.Bones[parentBoneIndex];
}
// Read the bounding sphere
Serialize(ref mesh.BoundingSphere);
ReadVertexBuffers(ref mesh.VertexBuffers);
ReadIndexBuffers(ref mesh.IndexBuffers);
ReadMeshParts(ref mesh.MeshParts);
ReadProperties(ref mesh.Properties);
CurrentMesh = null;
}
