关键节点

editor/app/State/EditorSelectionStamp.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <atomic>
+#include <cstdint>
+
+namespace XCEngine::UI::Editor::App {
+
+inline std::uint64_t GenerateEditorSelectionStamp() {
+    static std::atomic<std::uint64_t> counter = 0u;
+    return counter.fetch_add(1u, std::memory_order_relaxed) + 1u;
+}
+
+} // namespace XCEngine::UI::Editor::App