Improved MemoryPool class

It's size is now dynamic (defaulted to 1024)
Added MemoryPool::GetFreeBlocks()
Added MemoryPool::GetSize()
Tried to make it thread-safe
It supports dynamics allocations (in case where it can't allocate memory
from the pool for some reasons)


Former-commit-id: 1cc6cb2bc118556363a5c8ba1d18b3b1ce734862

include/Nazara/Core/MemoryPool.hpp

@@ -8,27 +8,33 @@
 #define NAZARA_MEMORYPOOL_HPP
 
 #include <Nazara/Prerequesites.hpp>
+#include <atomic>
 #include <memory>
 
-template<unsigned int typeSize, unsigned int count = 1000, bool canGrow = true>
+template<unsigned int blockSize, bool canGrow = true>
 class NzMemoryPool
 {
 	public:
-		NzMemoryPool();
+		NzMemoryPool(unsigned int size = 1024);
 		~NzMemoryPool() = default;
 
 		template<typename T> T* Allocate();
 		void* Allocate(unsigned int size);
+
 		void Free(void* ptr);
 
+		unsigned int GetFreeBlocks() const;
+		unsigned int GetSize() const;
+
 	private:
 		NzMemoryPool(NzMemoryPool* pool);
 
 		std::unique_ptr<void*[]> m_freeList;
 		std::unique_ptr<nzUInt8[]> m_pool;
 		std::unique_ptr<NzMemoryPool> m_next;
+		std::atomic_uint m_freeCount;
 		NzMemoryPool* m_previous;
-		unsigned int m_freeCount;
+		unsigned int m_size;
 };
 
 #include <Nazara/Core/MemoryPool.inl>