Big refactor, shuffling a lot of files around

src/anm2/spritesheet.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <filesystem>
+#include <string>
+#include <tinyxml2/tinyxml2.h>
+
+#include "texture.h"
+
+namespace anm2ed::anm2
+{
+  constexpr auto SPRITESHEET_FORMAT_C = "#%d %s";
+  constexpr auto SPRITESHEET_FORMAT = "#{} {}";
+
+  class Spritesheet
+  {
+  public:
+    std::filesystem::path path{};
+    resource::Texture texture;
+
+    Spritesheet() = default;
+    Spritesheet(tinyxml2::XMLElement*, int&);
+    Spritesheet(const std::string&, const std::string& = {});
+    tinyxml2::XMLElement* to_element(tinyxml2::XMLDocument&, int);
+    std::string to_string(int id);
+    bool save(const std::string&, const std::string& = {});
+    void serialize(tinyxml2::XMLDocument&, tinyxml2::XMLElement*, int);
+    void reload(const std::string&);
+    bool is_valid();
+  };
+}