Panda3D
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dataGraphTraverser.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file dataGraphTraverser.h
10 * @author drose
11 * @date 2002-03-11
12 */
13
14#ifndef DATAGRAPHTRAVERSER_H
15#define DATAGRAPHTRAVERSER_H
16
17#include "pandabase.h"
18
19#include "dataNodeTransmit.h"
20#include "pvector.h"
21#include "pmap.h"
22
23class DataNode;
24class PandaNode;
25
26/**
27 * This object supervises the traversal of the data graph and the moving of
28 * data from one DataNode to its children. The data graph is used to manage
29 * data from input devices, etc. See the overview of the data graph in
30 * dataNode.h.
31 */
32class EXPCL_PANDA_DGRAPH DataGraphTraverser {
33PUBLISHED:
34 explicit DataGraphTraverser(Thread *current_thread = Thread::get_current_thread());
36
37 INLINE Thread *get_current_thread() const;
38
39 void traverse(PandaNode *node);
40 void traverse_below(PandaNode *node, const DataNodeTransmit &output);
41 void collect_leftovers();
42
43private:
44 void r_transmit(DataNode *data_node, const DataNodeTransmit inputs[]);
45
47
48 Thread *_current_thread;
49
50 class CollectedData {
51 public:
52 INLINE CollectedData();
53 void set_data(int parent_index, const DataNodeTransmit &data);
54
55 int _num_parents;
56 DataVector _data;
57 };
59 MultipassData _multipass_data;
60};
61
62#include "dataGraphTraverser.I"
63
64#endif
This object supervises the traversal of the data graph and the moving of data from one DataNode to it...
Encapsulates the data generated from (or sent into) any particular DataNode.
The fundamental type of node for the data graph.
Definition dataNode.h:52
A basic node of the scene graph or data graph.
Definition pandaNode.h:65
A thread; that is, a lightweight process.
Definition thread.h:46
get_current_thread
Returns a pointer to the currently-executing Thread object.
Definition thread.h:109
This is our own Panda specialization on the default STL map.
Definition pmap.h:49
This is our own Panda specialization on the default STL vector.
Definition pvector.h:42
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.