Add some container classes

openVulkanoCpp/Data/Containers/ChunkedArrayList.hpp

@@ -0,0 +1,72 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <vector>
+
+namespace openVulkanoCpp
+{
+	template<typename T>
+	class ChunkedArrayList
+	{
+		size_t m_chunkSize, m_size;
+		std::vector<std::vector<T>> m_chunks; //TODO optimize
+
+		void EnsureBuffer()
+		{
+			if (m_chunks.empty() || m_chunks.back().capacity() - m_chunks.back().size() == 0)
+			{
+				m_chunks.emplace_back().reserve(m_chunkSize);
+			}
+		}
+
+	public:
+		ChunkedArrayList() : m_chunkSize(8192), m_size(0)
+		{}
+
+		explicit ChunkedArrayList(ChunkedArrayList<T>&& old) noexcept
+			: m_chunkSize(old.m_chunkSize), m_size(old.m_size), m_chunks(std::move(old.m_chunks))
+		{
+			old.m_size = 0;
+		}
+
+		template<typename ...ARGS>
+		T& EmplaceBack(ARGS&&... args)
+		{
+			EnsureBuffer();
+			m_size++;
+			return m_chunks.back().emplace_back(std::forward<ARGS>(args)...);
+		}
+
+		T& InsertBack(const T& value)
+		{
+			EnsureBuffer();
+			m_size++;
+			return m_chunks.back().insert(value);
+		}
+
+		T& back()
+		{
+			return m_chunks.back().back();
+		}
+
+		[[nodiscard]] size_t size() const noexcept
+		{
+			return m_size;
+		}
+
+		T& operator[](size_t n)
+		{
+			return m_chunks[n / m_chunkSize][n % m_chunkSize];
+		}
+
+		const T& operator[](size_t n) const
+		{
+			return m_chunks[n / m_chunkSize][n % m_chunkSize];
+		}
+	};
+}