ECS System WIP

registry/FName.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <string_view>
+
+#include "NameRegistry.h"
+
+struct FName
+{
+    using value_type = uint64_t;
+
+    static constexpr value_type INVALID_ID = 0;
+
+    value_type id = INVALID_ID;
+
+    constexpr FName() noexcept = default;
+
+    constexpr explicit FName(value_type value) noexcept
+        : id(value)
+    {
+    }
+
+    FName(const char* text)
+        : id(text ? NameRegistry::GetOrCreate(text) : INVALID_ID)
+    {
+    }
+
+    FName(const std::string& text)
+        : id(text.empty() ? INVALID_ID : NameRegistry::GetOrCreate(text))
+    {
+    }
+
+    FName(std::string_view text)
+        : id(text.empty() ? INVALID_ID : NameRegistry::GetOrCreate(text))
+    {
+    }
+
+    constexpr bool IsValid() const noexcept
+    {
+        return id != INVALID_ID;
+    }
+
+    constexpr value_type GetId() const noexcept
+    {
+        return id;
+    }
+
+    const std::string& ToString() const
+    {
+        return NameRegistry::GetString(id);
+    }
+
+    constexpr bool operator==(const FName& other) const noexcept
+    {
+        return id == other.id;
+    }
+
+    constexpr bool operator!=(const FName& other) const noexcept
+    {
+        return id != other.id;
+    }
+};