Refactoring, FFmpeg updates

src/anm2/anm2_spritesheets.cpp

@@ -0,0 +1,87 @@
+#include "anm2.h"
+
+#include <ranges>
+
+#include "filesystem_.h"
+#include "map_.h"
+
+using namespace anm2ed::types;
+using namespace anm2ed::util;
+using namespace tinyxml2;
+
+namespace anm2ed::anm2
+{
+  Spritesheet* Anm2::spritesheet_get(int id)
+  {
+    return map::find(content.spritesheets, id);
+  }
+
+  void Anm2::spritesheet_remove(int id)
+  {
+    content.spritesheets.erase(id);
+  }
+
+  bool Anm2::spritesheet_add(const std::string& directory, const std::string& path, int& id)
+  {
+    Spritesheet spritesheet(directory, path);
+    if (!spritesheet.is_valid()) return false;
+    id = map::next_id_get(content.spritesheets);
+    content.spritesheets[id] = std::move(spritesheet);
+    return true;
+  }
+
+  std::set<int> Anm2::spritesheets_unused()
+  {
+    std::set<int> used{};
+    for (auto& layer : content.layers | std::views::values)
+      if (layer.is_spritesheet_valid()) used.insert(layer.spritesheetID);
+
+    std::set<int> unused{};
+    for (auto& id : content.spritesheets | std::views::keys)
+      if (!used.contains(id)) unused.insert(id);
+
+    return unused;
+  }
+
+  std::vector<std::string> Anm2::spritesheet_labels_get()
+  {
+    std::vector<std::string> labels{};
+    labels.emplace_back("None");
+    for (auto& [id, spritesheet] : content.spritesheets)
+      labels.emplace_back(std::format(SPRITESHEET_FORMAT, id, spritesheet.path.c_str()));
+    return labels;
+  }
+
+  bool Anm2::spritesheets_deserialize(const std::string& string, const std::string& directory, merge::Type type,
+                                      std::string* errorString)
+  {
+    XMLDocument document{};
+
+    if (document.Parse(string.c_str()) == XML_SUCCESS)
+    {
+      int id{};
+
+      if (!document.FirstChildElement("Spritesheet"))
+      {
+        if (errorString) *errorString = "No valid spritesheet(s).";
+        return false;
+      }
+
+      filesystem::WorkingDirectory workingDirectory(directory);
+
+      for (auto element = document.FirstChildElement("Spritesheet"); element;
+           element = element->NextSiblingElement("Spritesheet"))
+      {
+        auto spritesheet = Spritesheet(element, id);
+        if (type == merge::APPEND) id = map::next_id_get(content.spritesheets);
+        content.spritesheets[id] = std::move(spritesheet);
+      }
+
+      return true;
+    }
+    else if (errorString)
+      *errorString = document.ErrorStr();
+
+    return false;
+  }
+}