Migrated random generators to std::random
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@@ -22,6 +22,7 @@ salts, the values they get will be different.
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#pragma once
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#include <random>
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@@ -30,6 +31,7 @@ salts, the values they get will be different.
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class cFastRandom
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{
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public:
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cFastRandom(void);
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/// Returns a random int in the range [0 .. a_Range - 1]; a_Range must be less than 1M
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@@ -49,15 +51,33 @@ public:
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/** Returns a random int in the range [a_Begin .. a_End] */
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int GenerateRandomInteger(int a_Begin, int a_End);
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protected:
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int m_Seed;
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int m_Counter;
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/// Counter that is used to initialize the seed, incremented for each object created
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static int m_SeedCounter;
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} ;
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private:
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std::minstd_rand m_LinearRand;
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std::uniform_int_distribution<> m_IntDistribution;
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std::uniform_real_distribution<float> m_FloatDistribution;
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};
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class MTRand
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{
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public:
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MTRand(void);
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int randInt(int a_Range);
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int randInt(void);
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double rand(double a_Range);
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private:
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std::mt19937 m_MersenneRand;
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std::uniform_int_distribution<> m_IntDistribution;
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std::uniform_real_distribution<> m_DoubleDistribution;
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};
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