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/CMakeLists.txt       |  2 ++
 source/core/StarAlgorithm.hpp    |  9 ---------
 source/core/StarConfig.hpp       | 19 ++-----------------
 source/core/StarPch.hpp          | 25 +++++++++++++++++++++++++
 source/core/StarRandom.hpp       |  6 ++++--
 source/core/StarStaticRandom.hpp | 22 +++++++++++++++++++---
 6 files changed, 52 insertions(+), 31 deletions(-)
 create mode 100644 source/core/StarPch.hpp

(limited to 'source/core')

diff --git a/source/core/CMakeLists.txt b/source/core/CMakeLists.txt
index 6668109..34d890f 100644
--- a/source/core/CMakeLists.txt
+++ b/source/core/CMakeLists.txt
@@ -84,6 +84,7 @@ SET (star_core_HEADERS
     StarOrderedMap.hpp
     StarOrderedSet.hpp
     StarParametricFunction.hpp
+    StarPch.hpp
     StarPeriodic.hpp
     StarPeriodicFunction.hpp
     StarPerlin.hpp
@@ -203,3 +204,4 @@ ELSEIF (STAR_SYSTEM_FAMILY_WINDOWS)
 ENDIF ()
 
 ADD_LIBRARY (star_core OBJECT ${star_core_SOURCES} ${star_core_HEADERS})
+TARGET_PRECOMPILE_HEADERS (star_core PUBLIC StarPch.hpp)
\ No newline at end of file
diff --git a/source/core/StarAlgorithm.hpp b/source/core/StarAlgorithm.hpp
index 331f653..e26917a 100644
--- a/source/core/StarAlgorithm.hpp
+++ b/source/core/StarAlgorithm.hpp
@@ -1,10 +1,6 @@
 #ifndef STAR_ALGORITHM_HPP
 #define STAR_ALGORITHM_HPP
 
-#include <type_traits>
-#include <vector>
-#include <iterator>
-
 #include "StarException.hpp"
 
 namespace Star {
@@ -267,11 +263,6 @@ void stableSortByComputedValue(Container& container, Getter&& valueGetter) {
   return sortByComputedValue(container, forward<Getter>(valueGetter), true);
 }
 
-template <typename Container>
-void shuffle(Container& c) {
-  std::random_shuffle(c.begin(), c.end());
-}
-
 template <typename Container>
 void reverse(Container& c) {
   std::reverse(c.begin(), c.end());
diff --git a/source/core/StarConfig.hpp b/source/core/StarConfig.hpp
index 22c2607..e7a5ff0 100644
--- a/source/core/StarConfig.hpp
+++ b/source/core/StarConfig.hpp
@@ -1,23 +1,8 @@
+#include "StarPch.hpp"
+
 #ifndef STAR_CONFIG_HPP
 #define STAR_CONFIG_HPP
 
-#include <cstdint>
-#include <cstdlib>
-#include <cstddef>
-#include <cstring>
-#include <cmath>
-#include <tuple>
-#include <memory>
-#include <functional>
-#include <algorithm>
-#include <iostream>
-#include <initializer_list>
-#include <exception>
-#include <stdexcept>
-#include <atomic>
-#include <string>
-#include <iterator>
-
 namespace Star {
 
 // Some really common std namespace includes
diff --git a/source/core/StarPch.hpp b/source/core/StarPch.hpp
new file mode 100644
index 0000000..809156c
--- /dev/null
+++ b/source/core/StarPch.hpp
@@ -0,0 +1,25 @@
+#ifndef STAR_PCH_HPP
+#define STAR_PCH_HPP
+
+#include <cstdint>
+#include <cstdlib>
+#include <cstddef>
+#include <cstring>
+#include <cmath>
+#include <tuple>
+#include <memory>
+#include <functional>
+#include <algorithm>
+#include <iostream>
+#include <initializer_list>
+#include <exception>
+#include <stdexcept>
+#include <atomic>
+#include <string>
+#include <string_view>
+#include <iterator>
+#include <type_traits>
+#include <vector>
+
+
+#endif
\ No newline at end of file
diff --git a/source/core/StarRandom.hpp b/source/core/StarRandom.hpp
index b3c8ba2..c39f6ef 100644
--- a/source/core/StarRandom.hpp
+++ b/source/core/StarRandom.hpp
@@ -187,7 +187,8 @@ typename Container::value_type RandomSource::randValueFrom(
 
 template <typename Container>
 void RandomSource::shuffle(Container& container) {
-  std::random_shuffle(container.begin(), container.end(), [this](size_t max) { return randUInt(max - 1); });
+  size_t max = container.size();
+  std::shuffle(container.begin(), container.end(), URBG<size_t>([this, max]() { return randUInt(max - 1); }));
 }
 
 template <typename Container>
@@ -208,7 +209,8 @@ typename Container::value_type Random::randValueFrom(
 
 template <typename Container>
 void Random::shuffle(Container& container) {
-  std::random_shuffle(container.begin(), container.end(), [](size_t max) { return Random::randUInt(max - 1); });
+  size_t max = container.size();
+  std::shuffle(container.begin(), container.end(), URBG<size_t>([max]() { return Random::randUInt(max - 1); }));
 }
 
 }
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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