From ce7997a6ea6c018a561d923afccdcd09b9acd164 Mon Sep 17 00:00:00 2001
From: Alex <enderice2@users.noreply.github.com>
Date: Thu, 27 Oct 2022 03:05:34 +0300
Subject: [PATCH] Added random number generator

---
 Core/Random.cpp  | 27 +++++++++++++++++++++++++++
 include/rand.hpp | 14 ++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 Core/Random.cpp
 create mode 100644 include/rand.hpp

diff --git a/Core/Random.cpp b/Core/Random.cpp
new file mode 100644
index 0000000..8e05863
--- /dev/null
+++ b/Core/Random.cpp
@@ -0,0 +1,27 @@
+#include <rand.hpp>
+
+namespace Random
+{
+    static uint64_t Seed = 0xdeadbeef;
+
+    uint16_t rand16()
+    {
+        Seed = Seed * 1103515245 + 12345;
+        return (uint16_t)(Seed / 65536) % __UINT16_MAX__;
+    }
+
+    uint32_t rand32()
+    {
+        Seed = Seed * 1103515245 + 12345;
+        return (uint32_t)(Seed / 65536) % __UINT32_MAX__;
+    }
+
+    uint64_t rand64()
+    {
+        Seed = Seed * 1103515245 + 12345;
+        return (uint64_t)(Seed / 65536) % __UINT64_MAX__;
+    }
+
+    void changeseed(uint64_t CustomSeed) { Seed = CustomSeed; }
+
+}
\ No newline at end of file
diff --git a/include/rand.hpp b/include/rand.hpp
new file mode 100644
index 0000000..81cff9e
--- /dev/null
+++ b/include/rand.hpp
@@ -0,0 +1,14 @@
+#ifndef __FENNIX_KERNEL_RANDOM_H__
+#define __FENNIX_KERNEL_RANDOM_H__
+
+#include <types.h>
+
+namespace Random
+{
+    uint16_t rand16();
+    uint32_t rand32();
+    uint64_t rand64();
+    void changeseed(uint64_t CustomSeed);
+}
+
+#endif // !__FENNIX_KERNEL_RANDOM_H__