Refactoring, FFmpeg updates

src/anm2/anm2_sounds.cpp

@@ -0,0 +1,75 @@
+#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
+{
+  bool Anm2::sound_add(const std::string& directory, const std::string& path, int& id)
+  {
+    id = map::next_id_get(content.sounds);
+    content.sounds[id] = Sound(directory, path);
+    return true;
+  }
+
+  std::vector<std::string> Anm2::sound_labels_get()
+  {
+    std::vector<std::string> labels{};
+    labels.emplace_back("None");
+    for (auto& [id, sound] : content.sounds)
+      labels.emplace_back(sound.path.string());
+    return labels;
+  }
+
+  std::set<int> Anm2::sounds_unused()
+  {
+    std::set<int> used;
+    for (auto& animation : animations.items)
+      for (auto& trigger : animation.triggers.frames)
+        if (content.sounds.contains(trigger.soundID)) used.insert(trigger.soundID);
+
+    std::set<int> unused;
+    for (auto& id : content.sounds | std::views::keys)
+      if (!used.contains(id)) unused.insert(id);
+
+    return unused;
+  }
+
+  bool Anm2::sounds_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("Sound"))
+      {
+        if (errorString) *errorString = "No valid sound(s).";
+        return false;
+      }
+
+      filesystem::WorkingDirectory workingDirectory(directory);
+
+      for (auto element = document.FirstChildElement("Sound"); element; element = element->NextSiblingElement("Sound"))
+      {
+        auto sound = Sound(element, id);
+        if (type == merge::APPEND) id = map::next_id_get(content.sounds);
+        content.sounds[id] = std::move(sound);
+      }
+
+      return true;
+    }
+    else if (errorString)
+      *errorString = document.ErrorStr();
+
+    return false;
+  }
+}