mgctclassstorage.inl

3D Game Engine Design Source Code非常棒

// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// FREE SOURCE CODE
// http://www.magic-software.com/License/free.pdf

//----------------------------------------------------------------------------
template <class T>
MgcTClassStorage<T>::MgcTClassStorage ()
{
    m_atStorage = 0;
}
//----------------------------------------------------------------------------
template <class T>
MgcTClassStorage<T>::MgcTClassStorage (unsigned int uiQuantity)
{
    if ( uiQuantity > 0 )
        m_atStorage = new T[uiQuantity];
    else
        m_atStorage = 0;
}
//----------------------------------------------------------------------------
template <class T>
MgcTClassStorage<T>::MgcTClassStorage (T* atStorage)
{
    m_atStorage = atStorage;
}
//----------------------------------------------------------------------------
template <class T>
MgcTClassStorage<T>::~MgcTClassStorage ()
{
    delete[] m_atStorage;
}
//----------------------------------------------------------------------------
template <class T>
T* MgcTClassStorage<T>::GetStorage () const
{
    return m_atStorage;
}
//----------------------------------------------------------------------------
template <class T>
T& MgcTClassStorage<T>::operator[] (unsigned int uiIndex) const
{
    assert( m_atStorage );
    return m_atStorage[uiIndex];
}
//----------------------------------------------------------------------------
template <class T>
void MgcTClassStorage<T>::Resize (unsigned int uiOldQuantity,
    unsigned int uiNewQuantity, bool bCopy)
{
    if ( uiNewQuantity != uiOldQuantity )
    {
        if ( uiNewQuantity > 0 )
        {
            T* atNewStorage = new T[uiNewQuantity];

            if ( bCopy )
            {
                unsigned int uiIMax = ( uiNewQuantity > uiOldQuantity ?
                    uiOldQuantity : uiNewQuantity );

                for (unsigned int uiI = 0; uiI < uiIMax; uiI++)
                    atNewStorage[uiI] = m_atStorage[uiI];
            }

            delete[] m_atStorage;
            m_atStorage = atNewStorage;
        }
        else
        {
            delete[] m_atStorage;
            m_atStorage = 0;
        }
    }
}
//----------------------------------------------------------------------------