27 INLINE
explicit SwitchNode(
const std::string &name);
41 INLINE
void set_visible_child(
int index);
44 MAKE_PROPERTY(visible_child, get_visible_child, set_visible_child);
47 class EXPCL_PANDA_PGRAPHNODES CData :
public CycleData {
50 INLINE CData(
const CData ©);
55 return SwitchNode::get_class_type();
66 static void register_with_read_factory();
77 static void init_type() {
78 SelectiveChildNode::init_type();
80 SelectiveChildNode::get_class_type());
83 return get_class_type();
85 virtual TypeHandle force_init_type() {init_type();
return get_class_type();}
virtual int get_visible_child() const
Returns the index number of the currently visible child of this node.
A basic node of the scene graph or data graph.
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
A single page of data maintained by a PipelineCycler.
Base class for objects that can be written to and read from Bam files.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
virtual bool safe_to_combine_children() const
Returns true if it is generally safe to combine the children of this PandaNode with each other.
virtual TypeHandle get_parent_type() const
Returns the type of the container that owns the CycleData.
This collects together the pieces of data that are accumulated for each node while walking the scene ...
A base class for nodes like LODNode and SequenceNode that select only one visible child at a time.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
virtual bool safe_to_combine() const
Returns true if it is generally safe to combine this particular kind of PandaNode with other kinds of...
This template class calls PipelineCycler::read_unlocked(), and then provides a transparent read-only ...
virtual void write_datagram(BamWriter *, Datagram &) const
Writes the contents of this object to the datagram for shipping out to a Bam file.
virtual int get_first_visible_child() const
Returns the index number of the first visible child of this node, or a number >= get_num_children() i...
An instance of this class is passed to the Factory when requesting it to do its business and construc...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
This template class calls PipelineCycler::write() in the constructor and PipelineCycler::release_writ...
virtual PandaNode * make_copy() const
Returns a newly-allocated PandaNode that is a shallow copy of this one.
virtual void fillin(DatagramIterator &scan, BamReader *manager)
This internal function is intended to be called by each class's make_from_bam() method to read in all...
virtual bool has_single_child_visibility() const
Should be overridden by derived classes to return true if this kind of node has the special property ...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
A class to retrieve the individual data elements previously stored in a Datagram.
TypeHandle is the identifier used to differentiate C++ class types.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
This object performs a depth-first traversal of the scene graph, with optional view-frustum culling,...
A node that renders only one of its children, according to the user's indication.