catchingcontextpoissonbase.c 1.0 KB

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  1. class CatchingContextPoissonBase : CatchingContextBase
  2. {
  3. protected float m_SignalPoissonMean; //usually, only the smallest value is considered
  4. protected int m_SignalCurrent;
  5. override protected void ClearCatchingItemData()
  6. {
  7. super.ClearCatchingItemData();
  8. m_SignalPoissonMean = AnimalCatchingConstants.POISSON_CYCLE_MEAN_DEFAULT;
  9. m_SignalCurrent = 0;
  10. }
  11. float GetSignalPoissonMean()
  12. {
  13. return m_SignalPoissonMean;
  14. }
  15. //! maximum number of signals in a single cycle
  16. int GetSignalMax()
  17. {
  18. //m_SignalPoissonMean * 2 + 1
  19. return Math.Ceil(m_SignalPoissonMean) + Math.Ceil(m_SignalPoissonMean/5); //TODO?
  20. }
  21. override bool ModifySignalProbability(inout float probability)
  22. {
  23. if (m_SignalCurrent > GetSignalMax() || m_SignalCurrent > 12) //necessary reset
  24. m_SignalCurrent = 0;
  25. probability = Math.Poisson(m_SignalPoissonMean,m_SignalCurrent) * GetChanceCoef();
  26. return true;
  27. }
  28. override bool RollCatch()
  29. {
  30. bool ret = super.RollCatch();
  31. m_SignalCurrent++;
  32. return ret;
  33. }
  34. float GetChanceCoef()
  35. {
  36. return 1.0;
  37. }
  38. }