Panda3D

vertexTransform.I
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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 vertexTransform.I
10 * @author drose
11 * @date 2005-03-23
12 */
13
14 /**
15 * Returns a sequence number that's guaranteed to change at least every time
16 * the value reported by get_matrix() changes.
17 */
18 INLINE UpdateSeq VertexTransform::
19 get_modified(Thread *current_thread) const {
20 CDReader cdata(_cycler, current_thread);
21 return cdata->_modified;
22 }
23
24 /**
25 * Returns the currently highest VertexTransform::get_modified() value in the
26 * world. This can be used as a quick way to determine if any
27 * VertexTransforms have changed value recently.
28 */
29 INLINE UpdateSeq VertexTransform::
30 get_global_modified(Thread *current_thread) {
31 CDReader cdata(_global_cycler, current_thread);
32 return cdata->_modified;
33 }
34
35 /**
36 *
37 */
38 INLINE VertexTransform::CData::
39 CData() {
40 }
41
42 /**
43 *
44 */
45 INLINE VertexTransform::CData::
46 CData(const VertexTransform::CData &copy) :
47 _modified(copy._modified)
48 {
49 }
50
51 INLINE std::ostream &
52 operator << (std::ostream &out, const VertexTransform &obj) {
53 obj.output(out);
54 return out;
55 }
CycleDataReader
This template class calls PipelineCycler::read_unlocked(), and then provides a transparent read-only ...
Definition: cycleDataReader.h:35
Thread
A thread; that is, a lightweight process.
Definition: thread.h:46
UpdateSeq
This is a sequence number that increments monotonically.
Definition: updateSeq.h:37
VertexTransform
This is an abstract base class that holds a pointer to some transform, computed in some arbitrary way...
Definition: vertexTransform.h:35
VertexTransform::get_global_modified
static UpdateSeq get_global_modified(Thread *current_thread)
Returns the currently highest VertexTransform::get_modified() value in the world.
Definition: vertexTransform.I:30
VertexTransform::get_modified
get_modified
Returns a sequence number that's guaranteed to change at least every time the value reported by get_m...
Definition: vertexTransform.h:45