18 #include "pandabase.h" 20 #include "selectiveChildNode.h" 32 SwitchNode(
const SwitchNode ©);
43 INLINE
void set_visible_child(
int index);
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();
79 register_type(_type_handle,
"SwitchNode",
80 SelectiveChildNode::get_class_type());
83 return get_class_type();
85 virtual TypeHandle force_init_type() {init_type();
return get_class_type();}
91 #include "switchNode.I" 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.
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...
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 ...
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. ...