From 5864e5abc43b201c3801fa39a2fcaf9e3a9e8914 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sun, 27 Feb 2022 12:54:10 +0100
Subject: refactor: use dependency injection

---
 src/randomization/generator.cpp      | 14 ++++++++++++++
 src/randomization/generator.hpp      | 18 ++++++++++++++++++
 src/randomization/seed_generator.cpp | 11 +++++++++++
 src/randomization/seed_generator.hpp | 17 +++++++++++++++++
 4 files changed, 60 insertions(+)
 create mode 100644 src/randomization/generator.cpp
 create mode 100644 src/randomization/generator.hpp
 create mode 100644 src/randomization/seed_generator.cpp
 create mode 100644 src/randomization/seed_generator.hpp

(limited to 'src/randomization')

diff --git a/src/randomization/generator.cpp b/src/randomization/generator.cpp
new file mode 100644
index 0000000..b9bcb8a
--- /dev/null
+++ b/src/randomization/generator.cpp
@@ -0,0 +1,14 @@
+#include "generator.hpp"
+
+RandomNumberGenerator::RandomNumberGenerator(const unsigned int &seed)
+{
+	this->_generator = std::make_unique<std::mt19937>(seed);
+}
+
+unsigned int RandomNumberGenerator::in_range(const unsigned int &a,
+											 const unsigned int &b) const
+{
+	auto random_distribution = std::uniform_int_distribution<unsigned int>(a, b);
+
+	return random_distribution(*this->_generator);
+}
diff --git a/src/randomization/generator.hpp b/src/randomization/generator.hpp
new file mode 100644
index 0000000..3acfc98
--- /dev/null
+++ b/src/randomization/generator.hpp
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "interfaces/randomization.hpp"
+
+#include <memory>
+#include <random>
+
+class RandomNumberGenerator : public IRandomNumberGenerator
+{
+public:
+	explicit RandomNumberGenerator(const unsigned int &seed);
+
+	[[nodiscard]] unsigned int in_range(const unsigned int &a,
+										const unsigned int &b) const override;
+
+private:
+	std::unique_ptr<std::mt19937> _generator;
+};
diff --git a/src/randomization/seed_generator.cpp b/src/randomization/seed_generator.cpp
new file mode 100644
index 0000000..fdb2b12
--- /dev/null
+++ b/src/randomization/seed_generator.cpp
@@ -0,0 +1,11 @@
+#include "seed_generator.hpp"
+
+SeedGenerator::SeedGenerator(const std::shared_ptr<std::random_device> &random_device)
+	: _random_device(random_device)
+{
+}
+
+unsigned int SeedGenerator::random_seed() const
+{
+	return (*_random_device)();
+}
diff --git a/src/randomization/seed_generator.hpp b/src/randomization/seed_generator.hpp
new file mode 100644
index 0000000..238fdbe
--- /dev/null
+++ b/src/randomization/seed_generator.hpp
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "interfaces/randomization.hpp"
+
+#include <memory>
+#include <random>
+
+class SeedGenerator : public ISeedGenerator
+{
+public:
+	explicit SeedGenerator(const std::shared_ptr<std::random_device> &random_device);
+
+	[[nodiscard]] unsigned int random_seed() const override;
+
+private:
+	const std::shared_ptr<std::random_device> &_random_device;
+};
-- 
cgit v1.2.3-18-g5258