staging some future refactoring, .h -> hpp, fix for rendering w/ audio

src/anm2/animations.hpp

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "animation.h"
+
+namespace anm2ed::anm2
+{
+  constexpr auto MERGED_STRING = "(Merged)";
+
+  struct Animations
+  {
+    std::string defaultAnimation{};
+    std::vector<Animation> items{};
+
+    Animations() = default;
+    Animations(tinyxml2::XMLElement*);
+    tinyxml2::XMLElement* to_element(tinyxml2::XMLDocument&, Flags = 0);
+    void serialize(tinyxml2::XMLDocument&, tinyxml2::XMLElement*, Flags = 0);
+    int length();
+  };
+}