SCR_BaseVariableSightsFOVInfo.c

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class SCR_BaseVariableSightsFOVInfo: ScriptedSightsFOVInfo
{
    //------------------------------------------------------------------------------------------------
    int GetCount() { return 0; }
 
    //------------------------------------------------------------------------------------------------
    int GetCurrentIndex() { return -1; }
 
    //------------------------------------------------------------------------------------------------
    protected int GetNextIndex(bool allowOverflow = true)
    {
        int count = GetCount();
        if (count < 1)
            return -1;
 
        int current = GetCurrentIndex();
        int next = current + 1;
        if (next > count - 1)
        {
            if (allowOverflow)
                return 0;
            else
                return -1;
        }
 
        return next;
    }
 
    //------------------------------------------------------------------------------------------------
    protected int GetPreviousIndex(bool allowUnderflow = true)
    {
        int count = GetCount();
        if (count < 1)
            return -1;
 
        int current = GetCurrentIndex();
        int previous = current - 1;
        if (previous < 0)
        {
            if (allowUnderflow)
                return count - 1;
            else return -1;
        }
 
        return previous;
    }
 
    //------------------------------------------------------------------------------------------------
    protected void SetIndex(int index);
 
    //------------------------------------------------------------------------------------------------
    bool SetNext(bool allowOverflow = true)
    {
        int next = GetNextIndex(allowOverflow);
        if (next != -1)
        {
            SetIndex(next);
            return true;
        }
 
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    bool SetPrevious(bool allowUnderflow = true)
    {
        int prev = GetPreviousIndex(allowUnderflow);
        if (prev != -1)
        {
            SetIndex(prev);
            return true;
        }
 
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    bool IsAdjusting()
    {
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    float GetBaseFOV()
    {
        return GetCurrentFOV();
    }
};