catchingcontextpoissonbase.c

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class CatchingContextPoissonBase : CatchingContextBase
{
    protected float m_SignalPoissonMean; //usually, only the smallest value is considered
    protected int m_SignalCurrent;
    
    override protected void ClearCatchingItemData()
    {
        super.ClearCatchingItemData();
        
        m_SignalPoissonMean = AnimalCatchingConstants.POISSON_CYCLE_MEAN_DEFAULT;
        m_SignalCurrent = 0;
    }
    
    float GetSignalPoissonMean()
    {
        return m_SignalPoissonMean;
    }
    
    int GetSignalMax()
    {
        //m_SignalPoissonMean * 2 + 1
        return Math.Ceil(m_SignalPoissonMean) + Math.Ceil(m_SignalPoissonMean/5); //TODO?
    }
    
    override bool ModifySignalProbability(inout float probability)
    {
        if (m_SignalCurrent > GetSignalMax() || m_SignalCurrent > 12) //necessary reset
            m_SignalCurrent = 0;
        
        probability = Math.Poisson(m_SignalPoissonMean,m_SignalCurrent) * GetChanceCoef();
        
        return true;
    }
    
    override bool RollCatch()
    {
        bool ret = super.RollCatch();
        m_SignalCurrent++;
        
        return ret;
    }
    
    float GetChanceCoef()
    {
        return 1.0;
    }
}