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authorMattes D <github@xoft.cz>2014-12-07 15:01:36 +0100
committerMattes D <github@xoft.cz>2014-12-07 15:01:36 +0100
commitd00ebd7ee700fcd7f30ea27d238ba1f0d56dfe21 (patch)
treeb0dbd8a8396ad22cf77cb4b367295d25ad3055a7 /src/FastRandom.h
parentReduced river height (diff)
parentMerge remote-tracking branch 'origin/master' into c++11 (diff)
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Diffstat (limited to 'src/FastRandom.h')
-rw-r--r--src/FastRandom.h36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/FastRandom.h b/src/FastRandom.h
index cebebad96..7eecc698a 100644
--- a/src/FastRandom.h
+++ b/src/FastRandom.h
@@ -22,6 +22,7 @@ salts, the values they get will be different.
#pragma once
+#include <random>
@@ -30,6 +31,7 @@ salts, the values they get will be different.
class cFastRandom
{
public:
+
cFastRandom(void);
/// Returns a random int in the range [0 .. a_Range - 1]; a_Range must be less than 1M
@@ -49,15 +51,33 @@ public:
/** Returns a random int in the range [a_Begin .. a_End] */
int GenerateRandomInteger(int a_Begin, int a_End);
-
-protected:
- int m_Seed;
- int m_Counter;
-
- /// Counter that is used to initialize the seed, incremented for each object created
- static int m_SeedCounter;
-} ;
+private:
+
+ std::minstd_rand m_LinearRand;
+ std::uniform_int_distribution<> m_IntDistribution;
+ std::uniform_real_distribution<float> m_FloatDistribution;
+};
+
+
+
+
+
+class MTRand
+{
+public:
+
+ MTRand(void);
+
+ int randInt(int a_Range);
+
+ int randInt(void);
+ double rand(double a_Range);
+private:
+ std::mt19937 m_MersenneRand;
+ std::uniform_int_distribution<> m_IntDistribution;
+ std::uniform_real_distribution<> m_DoubleDistribution;
+};