From 13a74602bd4c46149da9949d448387a40b8ebd1c Mon Sep 17 00:00:00 2001
From: Kae <80987908+Novaenia@users.noreply.github.com>
Date: Sun, 25 Jun 2023 20:01:32 +1000
Subject: Upgrade to C++17

---
 source/core/StarStaticRandom.hpp | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'source/core/StarStaticRandom.hpp')

diff --git a/source/core/StarStaticRandom.hpp b/source/core/StarStaticRandom.hpp
index 97cfdef..b55b411 100644
--- a/source/core/StarStaticRandom.hpp
+++ b/source/core/StarStaticRandom.hpp
@@ -118,12 +118,28 @@ typename Container::value_type staticRandomValueFrom(Container const& container,
   }
 }
 
+template <typename T>
+class URBG {
+public:
+  typedef function <T()> Function;
+
+  URBG(Function func) : m_func(func) {};
+
+  typedef T result_type;
+  static constexpr T min() { return std::numeric_limits<T>::min(); };
+  static constexpr T max() { return std::numeric_limits<T>::max(); };
+  T operator()() { return m_func(); };
+private:
+  Function m_func;
+};
+
 template <typename Container, typename T, typename... TL>
 void staticRandomShuffle(Container& container, T const& d, TL const&... rest) {
   int mix = 0;
-  std::random_shuffle(container.begin(),
-      container.end(),
-      [&](size_t max) { return staticRandomU32Range(0, max - 1, ++mix, d, rest...); });
+  size_t max = container.size();
+  std::shuffle(container.begin(), container.end(), URBG<size_t>([&]() {
+    return staticRandomU32Range(0, max - 1, ++mix, d, rest...);
+  }));
 }
 
 }
-- 
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