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Add the possibility to initialize the classes allocated with the PagedAllocator

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It uses the (`const T &&... p_args`) forward reference, to avoid copying the
memory in case it's an rvalue, or pass a reference in case it's an lvalue.

This is an example:
```c++
PagedAllocator<btShapeBox> box_allocator;
btShapeBox* box = box_allocator.alloc( btVector3(1.0, 1.0, 1.0) );
```
This commit is contained in:
AndreaCatania 2021-08-14 09:00:58 +02:00
parent f32c042f3e
commit c81cb64416
1 changed files with 3 additions and 2 deletions
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5
core/templates/paged_allocator.h
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@ -50,7 +50,8 @@ class PagedAllocator {
SpinLock spin_lock;
public:
T *alloc() {
template <class... Args>
T *alloc(const Args &&...p_args) {
if (thread_safe) {
spin_lock.lock();
}
@ -75,7 +76,7 @@ public:
if (thread_safe) {
spin_lock.unlock();
}
memnew_placement(alloc, T);
memnew_placement(alloc, T(p_args...));
return alloc;
}