--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foosdk/sdk/foobar2000/helpers/callback_merit.h	Mon Jan 05 02:15:46 2026 -0500
@@ -0,0 +1,31 @@
+#pragma once
+#include <vector>
+#include <algorithm>
+#include <SDK/callback_merit.h>
+
+namespace fb2k {
+	// Call global callbacks in correct order
+	// INTENDED FOR CORE USE ONLY
+	// Not aware of dynamically registered callbacks, if there are such for the same event type
+	// Usage: for_each_callback_by_merit< metadb_io_edit_callback > ( [] ( metadb_io_edit_callback::ptr ) { ...} );
+	template<typename class_t>
+	void for_each_callback_by_merit(std::function<void(service_ptr_t<class_t>)> f) {
+		struct rec_t {
+			class_t* obj; // non-autoptr INTENDED, avoid destruction order bugs on shutdown
+			fb2k::callback_merit_t merit;
+		};
+		auto generator = [] {
+			std::vector<rec_t> ret; ret.reserve(64);
+			for (auto ptr : class_t::enumerate()) { 
+				rec_t r;
+				r.merit = fb2k::callback_merit_of(ptr);
+				r.obj = ptr.detach();
+				ret.push_back( std::move(r) );
+			}
+			std::sort(ret.begin(), ret.end(), [](rec_t const& e1, rec_t const& e2) { return e1.merit > e2.merit; });
+			return ret;
+		};
+		static std::vector<rec_t> cache = generator();
+		for (auto& walk : cache) f(walk.obj);
+	}
+}