From 6cd00aacfa22fed6a54a9b812f6b069ad16feec0 Mon Sep 17 00:00:00 2001
From: untodesu <kirill@untode.su>
Date: Sun, 29 Jun 2025 22:24:42 +0500
Subject: Move game sources into src subdirectory

---
 src/core/randomizer.hh | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/core/randomizer.hh

(limited to 'src/core/randomizer.hh')

diff --git a/src/core/randomizer.hh b/src/core/randomizer.hh
new file mode 100644
index 0000000..b60b839
--- /dev/null
+++ b/src/core/randomizer.hh
@@ -0,0 +1,57 @@
+#ifndef CORE_RANDOMIZER_HH
+#define CORE_RANDOMIZER_HH 1
+#pragma once
+
+template<typename T>
+class Randomizer final {
+public:
+    explicit Randomizer(void);
+    explicit Randomizer(std::uint64_t seed);
+    virtual ~Randomizer(void) = default;
+    void add(const T& value);
+    const T& get(void);
+    void clear(void);
+
+private:
+    std::vector<T> m_vector;
+    std::mt19937_64 m_twister;
+    std::uniform_int_distribution<std::size_t> m_dist;
+};
+
+template<typename T>
+inline Randomizer<T>::Randomizer(void)
+{
+    m_vector.clear();
+    m_twister.seed(std::random_device()());
+    m_dist = std::uniform_int_distribution<std::size_t>(0, 0);
+}
+
+template<typename T>
+inline Randomizer<T>::Randomizer(std::uint64_t seed)
+{
+    m_vector.clear();
+    m_twister.seed(seed);
+    m_dist = std::uniform_int_distribution<std::size_t>(0, 0);
+}
+
+template<typename T>
+inline void Randomizer<T>::add(const T& value)
+{
+    m_vector.push_back(value);
+    m_dist = std::uniform_int_distribution<std::size_t>(0, m_vector.size() - 1);
+}
+
+template<typename T>
+inline const T& Randomizer<T>::get(void)
+{
+    return m_vector.at(m_dist(m_twister));
+}
+
+template<typename T>
+inline void Randomizer<T>::clear(void)
+{
+    m_vector.clear();
+    m_dist = std::uniform_int_distribution<std::size_t>(0, 0);
+}
+
+#endif /* CORE_RANDOMIZER_HH */
-- 
cgit