141 lines
5.1 KiB
Plaintext
141 lines
5.1 KiB
Plaintext
// Filename: nodeConnection.I
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// Created by: drose (07May01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH NodeConnection::
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NodeConnection(TypeHandle graph_type) : _graph_type(graph_type) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::Destructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH NodeConnection::
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~NodeConnection() {
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::Copy Constructor
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// Access: Private
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// Description: The copy constructor is private. Copying
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// NodeConnections is not a good idea.
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH NodeConnection::
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NodeConnection(const NodeConnection ©) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::Copy Assignment Operator
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// Access: Private
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// Description: The assignment constructor is private. Copying
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// NodeConnections is not a good idea.
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH void NodeConnection::
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operator = (const NodeConnection ©) {
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::is_empty
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// Access: Public
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// Description: Returns true if the NodeConnection has no arcs, false
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// otherwise.
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH bool NodeConnection::
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is_empty() const {
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return _up.empty() && _down.empty();
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::get_graph_type
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// Access: Public
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// Description: Returns the type of graph represented by this
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// NodeConnection. A node can coexist simultaneously in
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// several different graphs of different types; each
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// type requires a NodeConnection object to be stored
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// with the node.
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH TypeHandle NodeConnection::
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get_graph_type() const {
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return _graph_type;
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::set_graph_type
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// Access: Public
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// Description: Changes the type of graph represented by this
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// NodeConnection. It is legal to do this only when the
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// NodeConnection is empty, i.e. is_empty() returns
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// true.
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH void NodeConnection::
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set_graph_type(TypeHandle graph_type) {
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nassertv(is_empty());
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_graph_type = graph_type;
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::get_up
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// Access: Public
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// Description: Returns the list of arcs pointing to the node's
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// parent(s).
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH UpRelationPointers &NodeConnection::
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get_up() {
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return _up;
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::get_up
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// Access: Public
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// Description: Returns the list of arcs pointing to the node's
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// parent(s).
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH const UpRelationPointers &NodeConnection::
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get_up() const {
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return _up;
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::get_down
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// Access: Public
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// Description: Returns the list of arcs pointing to the node's
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// child(ren).
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH DownRelationPointers &NodeConnection::
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get_down() {
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return _down;
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeConnection::get_down
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// Access: Public
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// Description: Returns the list of arcs pointing to the node's
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// child(ren).
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////////////////////////////////////////////////////////////////////
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INLINE_GRAPH const DownRelationPointers &NodeConnection::
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get_down() const {
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return _down;
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}
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