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fix crash when no active tasks

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This commit is contained in:
David Rose 2008-12-24 00:44:55 +00:00
parent 00a3bd8462
commit eccea893f3
1 changed files with 12 additions and 10 deletions
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22
panda/src/event/asyncTaskChain.cxx
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@ -1357,18 +1357,20 @@ do_write(ostream &out, int indent_level) const {
} }
} }
sort(tasks.begin(), tasks.end(), AsyncTaskSortPriority());
double now = _manager->_clock->get_frame_time(); double now = _manager->_clock->get_frame_time();
// Since AsyncTaskSortPriority() sorts backwards (because of STL's if (!tasks.empty()) {
// push_heap semantics), we go through the task list in reverse sort(tasks.begin(), tasks.end(), AsyncTaskSortPriority());
// order to print them forwards. TaskHeap::reverse_iterator ti;
TaskHeap::reverse_iterator ti; int current_sort = tasks.back()->get_sort() - 1;
int current_sort = tasks.back()->get_sort() - 1;
for (ti = tasks.rbegin(); ti != tasks.rend(); ++ti) { // Since AsyncTaskSortPriority() sorts backwards (because of STL's
AsyncTask *task = (*ti); // push_heap semantics), we go through the task list in reverse
write_task_line(out, indent_level, task, now); // order to print them forwards.
for (ti = tasks.rbegin(); ti != tasks.rend(); ++ti) {
AsyncTask *task = (*ti);
write_task_line(out, indent_level, task, now);
}
} }
// Instead of iterating through the _sleeping list in heap order, // Instead of iterating through the _sleeping list in heap order,