sub_47C3D7_get_fog_related_stuff to sub_47C3D7_get_fog_specular cleanup, IsTerrainSlopeTooHigh restoring commented out min,min/max,max implementation, some small changes in OnMapLoad, sub_4465DF_check_season attempted to pick the best readabilty/maintainability tradeoff

#pragma once
#include <array>


/*   62 */
#pragma pack(push, 1)
struct stru123
{
  std::array<unsigned char, 75> field_0;
  std::array<unsigned char, 125> _decor_events;
};
#pragma pack(pop)
extern stru123 stru_5E4C90_MapPersistVars;