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physics: Make PhysicalNode class thread-safe

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It is, however, not yet pipeline-cycled, and the Physical object itself is not yet thread-safe.
This commit is contained in:
rdb 2021-03-22 16:01:13 +01:00
parent 0e36a99574
commit d0028ba103
3 changed files with 13 additions and 0 deletions
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4
panda/src/physics/physicalNode.I
View File

@ -16,6 +16,7 @@
*/
INLINE void PhysicalNode::
clear() {
LightMutexHolder holder(_lock);
for (Physical *physical : _physicals) {
nassertd(physical->_physical_node == this) continue;
physical->_physical_node = nullptr;
@ -28,6 +29,7 @@ clear() {
*/
INLINE Physical *PhysicalNode::
get_physical(size_t index) const {
LightMutexHolder holder(_lock);
nassertr(index < _physicals.size(), nullptr);
return _physicals[index];
}
@ -37,6 +39,7 @@ get_physical(size_t index) const {
*/
INLINE size_t PhysicalNode::
get_num_physicals() const {
LightMutexHolder holder(_lock);
return _physicals.size();
}
@ -46,6 +49,7 @@ get_num_physicals() const {
*/
INLINE void PhysicalNode::
add_physical(Physical *physical) {
LightMutexHolder holder(_lock);
if (physical->_physical_node != this) {
nassertv(physical->_physical_node == nullptr);
_physicals.push_back(physical);

6
panda/src/physics/physicalNode.cxx
View File

@ -58,6 +58,7 @@ PhysicalNode::
*/
PandaNode *PhysicalNode::
make_copy() const {
LightMutexHolder holder(_lock);
if (!_physicals.empty() && !warned_copy_physical_node.test_and_set()) {
// This is a problem, because a Physical can only be on one PhysicalNode.
//FIXME: Figure out a solution.
@ -72,6 +73,7 @@ make_copy() const {
*/
void PhysicalNode::
add_physicals_from(const PhysicalNode &other) {
LightMutexHolder holder(_lock);
size_t num_physicals = _physicals.size();
_physicals.insert(_physicals.end(),
other._physicals.begin(), other._physicals.end());
@ -86,6 +88,7 @@ add_physicals_from(const PhysicalNode &other) {
*/
void PhysicalNode::
set_physical(size_t index, Physical *physical) {
LightMutexHolder holder(_lock);
nassertv(index < _physicals.size());
_physicals[index]->_physical_node = nullptr;
@ -98,6 +101,7 @@ set_physical(size_t index, Physical *physical) {
*/
void PhysicalNode::
insert_physical(size_t index, Physical *physical) {
LightMutexHolder holder(_lock);
if (index > _physicals.size()) {
index = _physicals.size();
}
@ -111,6 +115,7 @@ insert_physical(size_t index, Physical *physical) {
*/
void PhysicalNode::
remove_physical(Physical *physical) {
LightMutexHolder holder(_lock);
pvector< PT(Physical) >::iterator found;
PT(Physical) ptp = physical;
found = find(_physicals.begin(), _physicals.end(), ptp);
@ -128,6 +133,7 @@ remove_physical(Physical *physical) {
*/
void PhysicalNode::
remove_physical(size_t index) {
LightMutexHolder holder(_lock);
nassertv(index <= _physicals.size());
pvector< PT(Physical) >::iterator remove;

3
panda/src/physics/physicalNode.h
View File

@ -21,6 +21,8 @@
#include "physical.h"
#include "config_physics.h"
#include "lightMutex.h"
#include "lightMutexHolder.h"
/**
* Graph node that encapsulated a series of physical objects
@ -54,6 +56,7 @@ protected:
PhysicalNode(const PhysicalNode &copy);
private:
LightMutex _lock;
typedef pvector<PT(Physical)> PhysicalsVector;
PhysicalsVector _physicals;