refactor textures access

src/assets/assets_util.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <string>
+
+#include "maths/UVRegion.hpp"
+
+class Assets;
+class Texture;
+
+namespace util {
+    struct TextureRegion {
+        const Texture* texture;
+        UVRegion region;
+    };
+
+    TextureRegion getTextureRegion(
+        const Assets& assets,
+        const std::string& name,
+        const std::string& fallback
+    );
+}