SCR_Stack.c

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// may be replaced with cpp implementation with script API later on
class SCR_Stack<Class T>
{
    protected ref array<ref T> m_aArray = {};
 
    //------------------------------------------------------------------------------------------------
    void Push(T item)
    {
        m_aArray.Insert(item);
    }
 
    //------------------------------------------------------------------------------------------------
    T Pop()
    {
        int index = m_aArray.Count() - 1;
        if (index < 0)
            return null;
 
        T poppedItem = m_aArray[index];
        m_aArray.Remove(index);
 
        return poppedItem;
    }
 
    //------------------------------------------------------------------------------------------------
    T Top()
    {
        int index = m_aArray.Count() - 1;
        if (index < 0)
            return null;
 
        return m_aArray[index];
    }
 
    //------------------------------------------------------------------------------------------------
    T Bottom()
    {
        if (m_aArray.IsEmpty())
            return null;
 
        return m_aArray[0];
    }
 
    //------------------------------------------------------------------------------------------------
    bool IsEmpty()
    {
        return m_aArray.IsEmpty();
    }
 
    //------------------------------------------------------------------------------------------------
    int Count()
    {
        return m_aArray.Count();
    }
}