Big refactor, shuffling a lot of files around

src/anm2/spritesheet.cpp

@@ -0,0 +1,70 @@
+#include "spritesheet.h"
+
+#include "filesystem_.h"
+#include "string_.h"
+#include "xml_.h"
+
+using namespace anm2ed::resource;
+using namespace anm2ed::util;
+using namespace tinyxml2;
+
+namespace anm2ed::anm2
+{
+  Spritesheet::Spritesheet(XMLElement* element, int& id)
+  {
+    if (!element) return;
+    element->QueryIntAttribute("Id", &id);
+    xml::query_path_attribute(element, "Path", &path);
+    // Spritesheet paths from Isaac Rebirth are made with the assumption that paths are case-insensitive
+    // However when using the resource dumper, the spritesheet paths are all lowercase (on Linux anyway)
+    // This will handle this case and make the paths OS-agnostic
+    this->path = string::backslash_replace_to_lower(this->path);
+    texture = Texture(path);
+  }
+
+  Spritesheet::Spritesheet(const std::string& directory, const std::string& path)
+  {
+    filesystem::WorkingDirectory workingDirectory(directory);
+    this->path = !path.empty() ? std::filesystem::relative(path).string() : this->path.string();
+    this->path = string::backslash_replace_to_lower(this->path);
+    texture = Texture(this->path);
+  }
+
+  XMLElement* Spritesheet::to_element(XMLDocument& document, int id)
+  {
+    auto element = document.NewElement("Spritesheet");
+    element->SetAttribute("Id", id);
+    element->SetAttribute("Path", path.c_str());
+    return element;
+  }
+
+  void Spritesheet::serialize(XMLDocument& document, XMLElement* parent, int id)
+  {
+    parent->InsertEndChild(to_element(document, id));
+  }
+
+  std::string Spritesheet::to_string(int id)
+  {
+    XMLDocument document{};
+    document.InsertEndChild(to_element(document, id));
+    return xml::document_to_string(document);
+  }
+
+  bool Spritesheet::save(const std::string& directory, const std::string& path)
+  {
+    filesystem::WorkingDirectory workingDirectory(directory);
+    this->path = !path.empty() ? std::filesystem::relative(path).string() : this->path.string();
+    return texture.write_png(this->path);
+  }
+
+  void Spritesheet::reload(const std::string& directory)
+  {
+    *this = Spritesheet(directory, this->path);
+  }
+
+  bool Spritesheet::is_valid()
+  {
+    return texture.is_valid();
+  }
+
+}