82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: IRandomDevice.hpp
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Date: 2021-9-3
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Author: Reece
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***/
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#pragma once
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namespace Aurora::RNG
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{
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class IRandomDevice
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{
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public:
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virtual void Read(void *in, AuUInt32 length) = 0;
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virtual AuString NextString(AuUInt32 length, ERngStringCharacters type = ERngStringCharacters::eAlphaCharacters) = 0;
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virtual void NextString(char *string, AuUInt32 length, ERngStringCharacters type = ERngStringCharacters::eAlphaCharacters) = 0;
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virtual AuUInt8 NextByte() = 0;
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virtual bool NextBoolean() = 0;
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virtual AuUInt32 NextU32() = 0;
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virtual AuUInt32 NextU32(AuUInt32 min, AuUInt32 max) = 0;
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virtual AuUInt64 NextU64() = 0;
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virtual AuInt32 NextInt(AuInt32 min, AuInt32 max) = 0;
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virtual double NextDecimal() = 0;
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virtual float NextNumber(float min, float max) = 0;
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virtual AuUInt32 NextIndex(AuUInt32 count /* = max + 1*/) = 0;
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template<typename T, int N>
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inline void NextArray(T(&array)[N])
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{
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Read(array, N * sizeof(T));
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}
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template<typename T>
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inline void NextArray(T *array, AuUInt32 length)
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{
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Raed(array, length * sizeof(T));
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}
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template<typename T>
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inline T NextTmpl()
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{
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T ret {};
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Read(&ret, sizeof(T));
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return ret;
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}
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template<typename T>
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inline T &NextArray(T *items, AuUInt32 count)
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{
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return items[NextIndex(count)];
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}
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template<typename T>
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inline T &NextVector(const AuList<T> &items)
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{
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return NextArray(items.data(), items.size());
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}
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};
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struct RandomDef
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{
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bool secure;
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AuOptional<AuUInt32> seed;
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inline void SetSeed(AuUInt32 seed)
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{
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this->seed = seed;
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this->secure = false;
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}
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inline void SetCSRNG()
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{
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this->secure = true;
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this->seed.reset();
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}
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};
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AUKN_SHARED_API(Random, IRandomDevice, const RandomDef &def);
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} |