Move serialisation code out of sound_spec.h

src/sound_spec.cpp

@@ -0,0 +1,23 @@
+// Luanti
+// SPDX-License-Identifier: LGPL-2.1-or-later
+// Copyright (C) 2025 Luanti developers
+
+#include "sound_spec.h"
+
+#include "util/serialize.h"
+
+void SoundSpec::serializeSimple(std::ostream &os, u16 protocol_version) const
+{
+	os << serializeString16(name);
+	writeF32(os, gain);
+	writeF32(os, pitch);
+	writeF32(os, fade);
+}
+
+void SoundSpec::deSerializeSimple(std::istream &is, u16 protocol_version)
+{
+	name = deSerializeString16(is);
+	gain = readF32(is);
+	pitch = readF32(is);
+	fade = readF32(is);
+}