fixed review on stableVector.
This commit is contained in:
@@ -56,6 +56,7 @@ namespace OpenVulkano
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{
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if (m_occupiedIndices[i])
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{
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m_occupiedIndices[i] = false;
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m_data[i].~T();
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}
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}
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@@ -65,7 +66,7 @@ namespace OpenVulkano
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size_t GetRealIndex(size_t reqIndex)
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{
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if (m_gapCount == 0 || reqIndex == 0)
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if (m_gapCount == 0)
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{
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return reqIndex;
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}
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@@ -79,27 +80,7 @@ namespace OpenVulkano
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}
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}
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return reqIndex + gapCount;
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}
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T& GetAlignedData(size_t index)
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{
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size_t realIndex = GetRealIndex(index);
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for (size_t i = realIndex; i < m_capacity; i++)
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{
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if (m_occupiedIndices[i])
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{
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return m_data[i];
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}
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}
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throw std::out_of_range("Index out of range");
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}
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size_t GetLastOccupiedIndex()
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{
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for (size_t i = m_capacity - 1; i >= 0; i--)
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for (size_t i = reqIndex + gapCount; i < m_capacity; i++)
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{
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if (m_occupiedIndices[i])
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{
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@@ -107,20 +88,22 @@ namespace OpenVulkano
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}
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}
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return 0;
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return reqIndex + gapCount;
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}
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};
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public:
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class Iterator
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{
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friend class StableVector<T>;
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public:
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Iterator(VectorChunk* chunk, size_t index) : m_chunk(chunk), m_index(index) {}
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T& operator*()
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{
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auto realIndex = m_chunk->GetRealIndex(m_index);
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return m_chunk->GetAlignedData(realIndex);
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return m_chunk->m_data[realIndex];
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}
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T* operator->() { return &operator*(); }
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@@ -176,10 +159,7 @@ namespace OpenVulkano
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bool operator!=(const Iterator& other) const { return !(*this == other); }
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std::streamsize GetIndex() const { return m_chunk->GetRealIndex(m_index); }
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VectorChunk* GetChunk() const { return m_chunk; }
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protected:
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private:
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void MoveToNextChunk()
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{
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while (m_chunk && m_index >= m_chunk->m_size)
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@@ -198,20 +178,16 @@ namespace OpenVulkano
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}
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}
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std::streamsize GetIteratorIndex() const { return m_chunk->GetRealIndex(m_index); }
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private:
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VectorChunk* m_chunk;
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std::streamsize m_index;
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};
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public:
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StableVector() : m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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{
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m_firstChunk = Grow(DEFAULT_CHUNK_SIZE);
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m_lastChunk = m_firstChunk;
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m_capacity = DEFAULT_CHUNK_SIZE;
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}
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StableVector(size_t size) : m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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StableVector(size_t size = DEFAULT_CHUNK_SIZE)
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: m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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{
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m_firstChunk = Grow(size);
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m_lastChunk = m_firstChunk;
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@@ -219,12 +195,8 @@ namespace OpenVulkano
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}
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StableVector(size_t size, const T& value)
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: m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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: StableVector(size), m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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{
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m_firstChunk = Grow(size);
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m_lastChunk = m_firstChunk;
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m_capacity = size;
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for (size_t i = 0; i < size; i++)
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{
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PushBack(value);
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@@ -232,12 +204,8 @@ namespace OpenVulkano
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}
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StableVector(std::initializer_list<T> list)
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: m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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: StableVector(list.size), m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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{
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m_firstChunk = Grow(list.size());
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m_lastChunk = m_firstChunk;
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m_capacity = list.size();
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for (const T& value: list)
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{
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PushBack(value);
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@@ -245,12 +213,8 @@ namespace OpenVulkano
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}
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StableVector(const StableVector<T>& copy)
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: m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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: StableVector(copy.m_size), m_firstChunk(nullptr), m_lastChunk(nullptr), m_size(0), m_capacity(0)
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{
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m_firstChunk = Grow(copy.m_capacity); // One big chunk to make Stable contiguous.
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m_lastChunk = m_firstChunk;
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m_capacity = copy.m_capacity;
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for (size_t i = 0; i < copy.Size(); i++)
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{
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PushBack(copy.At(i));
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@@ -273,12 +237,14 @@ namespace OpenVulkano
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~StableVector()
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{
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// Destroy everything left
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VectorChunk* currentChunk = m_firstChunk;
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while (currentChunk)
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{
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VectorChunk* temp = currentChunk;
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currentChunk = currentChunk->m_next;
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delete temp;
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temp->~VectorChunk();
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::operator delete(temp);
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}
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}
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@@ -312,8 +278,8 @@ namespace OpenVulkano
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m_lastChunk->m_data[m_lastChunk->m_nextIndex - 1].~T();
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m_lastChunk->m_occupiedIndices[m_lastChunk->m_nextIndex - 1] = false;
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m_lastChunk->m_nextIndex--;
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m_lastChunk->m_size--;
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m_lastChunk->m_gapCount++;
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m_size--;
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}
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@@ -324,7 +290,7 @@ namespace OpenVulkano
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throw std::out_of_range("Index out of range");
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}
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return m_lastChunk->m_data[m_lastChunk->GetLastOccupiedIndex()];
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return m_lastChunk->m_data[m_lastChunk->m_nextIndex - 1];
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}
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constexpr T& Front() const
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@@ -351,26 +317,24 @@ namespace OpenVulkano
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throw std::out_of_range("Index out of range");
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}
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handle.first->m_data[realIndex].~T();
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handle.first->m_occupiedIndices[realIndex] = false;
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handle.first->m_size--;
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handle.first->m_gapCount++;
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m_size--;
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Delete(realIndex, handle.first);
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}
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void Remove(const Iterator& it)
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{
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it.GetChunk()->m_data[it.GetIndex()].~T();
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it.GetChunk()->m_occupiedIndices[it.GetIndex()] = false;
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it.GetChunk()->m_size--;
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it.GetChunk()->m_gapCount++;
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m_size--;
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if (it.m_chunk == nullptr)
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{
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throw std::out_of_range("Index out of range");
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}
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Delete(it.GetIteratorIndex(), it.m_chunk);
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}
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T& operator[](size_t index) noexcept
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{
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auto handle = FindChunk(index);
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return handle.first->GetAlignedData(handle.second);
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size_t realIndex = handle.first->GetRealIndex(handle.second);
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return handle.first->m_data[realIndex];
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}
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T& At(size_t index)
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@@ -383,20 +347,30 @@ namespace OpenVulkano
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return operator[](index);
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}
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void Clear()
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void Clear()
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{
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VectorChunk* currentChunk = m_firstChunk;
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// Get the first chunk's cap
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size_t cap = m_firstChunk->m_capacity;
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// Annihilate everything
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VectorChunk* currentChunk = m_firstChunk->m_next;
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while (currentChunk)
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{
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VectorChunk* nextChunk = currentChunk->m_next;
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delete currentChunk;
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currentChunk = nextChunk;
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VectorChunk* temp = currentChunk;
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currentChunk = currentChunk->m_next;
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temp->~VectorChunk();
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::operator delete(temp);
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}
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m_firstChunk = Grow(DEFAULT_CHUNK_SIZE);
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// Reset the first chunk
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m_firstChunk->m_next = nullptr;
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m_lastChunk = m_firstChunk;
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m_capacity = DEFAULT_CHUNK_SIZE;
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m_firstChunk->m_size = 0;
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m_firstChunk->m_nextIndex = 0;
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m_firstChunk->m_gapCount = 0;
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m_firstChunk->~VectorChunk();
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m_size = 0;
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m_capacity = cap;
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}
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size_t Size() const noexcept { return m_size; }
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@@ -423,7 +397,7 @@ namespace OpenVulkano
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size_t capacity() const noexcept { return Capacity(); }
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//endregion
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protected:
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private:
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VectorChunk* Grow(size_t requestSize)
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{
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VectorChunk* newChunk = static_cast<VectorChunk*>(
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@@ -497,6 +471,15 @@ namespace OpenVulkano
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return InsertBack();
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}
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void Delete(size_t index, VectorChunk* chunk)
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{
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chunk->m_data[index].~T();
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chunk->m_occupiedIndices[index] = false;
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chunk->m_size--;
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chunk->m_gapCount++;
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m_size--;
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}
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private:
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VectorChunk* m_firstChunk;
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VectorChunk* m_lastChunk;
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