rng.h

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#ifndef SKR_PCG_RNG_H
#define SKR_PCG_RNG_H
 
#include "..\..\pch.h"
 
#include <random>
 
namespace skr
{
namespace pcg
{
    class __declspec(dllexport) RNG
    {
    public:
        RNG(bool printSeed = false);
    
        void SetRandomSeed();
 
        void SetSeed(uint32_t seed);
 
        void SetPrintSeed(bool printSeed);
    
        int GetRandomInteger(const int lower, const int upper);
 
        float GetRandomFloat(const float lower, const float upper);
 
        double GetRandomDouble(const double lower, const double upper);
    
        uint32_t _seed; 
    
    private:
#pragma warning(disable:4251) // only using types from standard library, warning can be ignored. Source: https://docs.microsoft.com/en-s/cpp/   error-messages/compiler-warnings/compiler-warning-level-1-c4251 
        std::mt19937 _randomEngine; 
        std::vector<uint32_t> _seedBlacklist = { 72304668, 2126917180, 3620160884 }; 
#pragma warning(default:4251)
    
    
        bool _printSeed; 
    
        void InitWithRandomSeed();
 
        void InitWithFixedSeed(uint32_t seed);
    
        bool CheckViableSeed(uint32_t seed);
 
        uint32_t GenerateViableSeed();
    };
}
}
 
 
#endif // ! SKR_PCG_RNG_H