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85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#ifndef CRYINCLUDE_CRYCOMMON_ARRAY2D_H
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#define CRYINCLUDE_CRYCOMMON_ARRAY2D_H
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#pragma once
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// Dynamic replacement for static 2d array
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template <class T>
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struct Array2d
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{
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Array2d()
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{
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m_nSize = 0;
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m_pData = 0;
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}
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int GetSize() const { return m_nSize; }
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int GetDataSize() const { return m_nSize * m_nSize * sizeof(T); }
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T* GetData() { return m_pData; }
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T* GetDataEnd() { return &m_pData[m_nSize * m_nSize]; }
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void SetData(T* pData, int nSize)
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{
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Allocate(nSize);
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memcpy(m_pData, pData, nSize * nSize * sizeof(T));
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}
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void Allocate(int nSize)
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{
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if (m_nSize == nSize)
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{
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return;
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}
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delete [] m_pData;
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m_nSize = nSize;
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m_pData = new T [nSize * nSize];
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memset(m_pData, 0, nSize * nSize * sizeof(T));
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}
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~Array2d()
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{
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delete [] m_pData;
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}
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void Reset()
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{
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delete [] m_pData;
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m_pData = 0;
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m_nSize = 0;
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}
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T* m_pData;
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int m_nSize;
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T* operator [] (const int& nPos) const
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{
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assert(nPos >= 0 && nPos < m_nSize);
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return &m_pData[nPos * m_nSize];
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}
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Array2d& operator = (const Array2d& other)
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{
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Allocate(other.m_nSize);
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memcpy(m_pData, other.m_pData, m_nSize * m_nSize * sizeof(T));
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return *this;
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}
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};
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#endif // CRYINCLUDE_CRYCOMMON_ARRAY2D_H
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