/// <summary>
/// convert the actual node to editable mesh
/// </summary>
public void ConvertToMesh()
{
if (!this.IsValid)
{
return;
}
// get the current node world state
IObjectState state = this.m_node.EvalWorldState(AssemblyFunctions.Core.Time, false);
// get the object out of the state and check if it's possible to convert to editable mesh
IObject obj = state.Obj;
if (obj.CanConvertToType(AssemblyFunctions.GlobalInterface.TriObjectClassID) == 0)
{
return;
}
// convert the obj to triobject
// if the node type was editable mesh, tit will return just the current node mesh
// elsewhere it will return a new triobj instance which is not bound to anything
ITriObject tri = obj.ConvertToType(AssemblyFunctions.Core.Time, AssemblyFunctions.GlobalInterface.TriObjectClassID) as ITriObject;
// check if we got something
if (tri == null)
{
return;
}
// remeber the obj and mesh for later use
this.m_triMesh = tri.Mesh;
this.m_baseObject = obj;
// check if the tri is identical with the current object from the node state
// if the node was already editable mesh we don't need to do anything
if (this.m_triMesh == null || tri.Equals((INoncopyable)obj))
{
return;
}
// notfiy all dependents
// this notfiy was from a max sample. not sure why call first before change and call change afterwards
this.m_node.NotifyDependents(Globals.FOREVER, Globals.PART_ALL, RefMessage.Change);
// the the object reference of the node to the new triobj
// important: if you exchange the object ref ith the same objref
// like this.m_node.ObjectRef = this.m_node.ObjectRef you will produce a nice crash sometimes
// the property setter inside max.net will delete the old reference and since the old is the new
// the reference will be set to null which is illegal
this.m_node.ObjectRef = tri;
// notfiy all dependents
this.m_node.NotifyDependents(Globals.FOREVER, 0, RefMessage.SubanimStructureChanged);
this.m_node.NotifyDependents(Globals.FOREVER, Globals.PART_ALL, RefMessage.Change);
}
/// <summary>
/// collect and fill the property base on the trimesh
/// </summary>
public void CollectTriMeshData()
{
if (!this.IsValid)
{
return;
}
// get the current node world state
IObjectState state = this.m_node.EvalWorldState(AssemblyFunctions.Core.Time, false);
// get the object out of the state and check if it's possible to convert to editable mesh
IObject obj = state.Obj;
if (obj.CanConvertToType(AssemblyFunctions.GlobalInterface.TriObjectClassID) == 0)
{
return;
}
// convert the obj to triobject
// if the node type was editable mesh, tit will return just the current node mesh
// elsewhere it will return a new triobj instance which is not bound to anything
ITriObject tri = obj.ConvertToType(AssemblyFunctions.Core.Time, AssemblyFunctions.GlobalInterface.TriObjectClassID) as ITriObject;
if (tri == null)
{
return;
}
this.m_iNumVerts = tri.Mesh.NumVerts;
this.m_iNumTris = tri.Mesh.NumFaces;
// check if triobj is identical with the object from the node
// if its not the same we got a new mesh so delete it
if (!tri.Equals((INoncopyable)obj))
{
tri.DeleteMe();
}
}