简单添加UUID生成功能

Hazel/src/Hazel/Core/UUID.cpp

@@ -0,0 +1,25 @@
+//
+// Created by sfd on 25-6-18.
+//
+
+#include "UUID.h"
+
+#include <random>
+
+namespace Hazel
+{
+    static std::random_device s_RandomDevice;
+    static std::mt19937_64 s_Engine(s_RandomDevice());
+    static std::uniform_int_distribution<uint64_t> s_UniformDistribution;
+
+    UUID::UUID()
+        : m_UUID(s_UniformDistribution(s_Engine))
+    {
+
+    }
+
+    UUID::UUID(const uint64_t uuid)
+        : m_UUID(uuid)
+    {
+    }
+}

Hazel/src/Hazel/Core/UUID.h

@@ -0,0 +1,40 @@
+//
+// Created by sfd on 25-6-18.
+//
+
+#ifndef UUID_H
+#define UUID_H
+#include <xhash>
+#include "Core.h"
+
+namespace Hazel
+{
+    class HAZEL_API UUID
+    {
+    public:
+        UUID();
+        UUID(uint64_t uuid);
+        UUID(const UUID&) = default;
+
+        operator uint64_t() const { return m_UUID;}
+    private:
+        uint64_t m_UUID;
+    };
+}
+
+namespace std
+{
+
+    template<>
+    struct hash<Hazel::UUID>
+    {
+        std::size_t operator() (const Hazel::UUID& uuid) const
+        {
+            return hash<uint64_t>()((uint64_t)uuid);
+        }
+    };
+
+}
+
+
+#endif //UUID_H