Refactoring, FFmpeg updates

src/anm2/anm2_events.cpp

@@ -0,0 +1,75 @@
+#include "anm2.h"
+
+#include <ranges>
+
+#include "map_.h"
+
+using namespace anm2ed::types;
+using namespace anm2ed::util;
+using namespace tinyxml2;
+
+namespace anm2ed::anm2
+{
+  void Anm2::event_add(int& id)
+  {
+    id = map::next_id_get(content.events);
+    content.events[id] = Event();
+  }
+
+  std::vector<std::string> Anm2::event_labels_get()
+  {
+    std::vector<std::string> labels{};
+    labels.emplace_back("None");
+    for (auto& event : content.events | std::views::values)
+      labels.emplace_back(event.name);
+    return labels;
+  }
+
+  std::set<int> Anm2::events_unused(Reference reference)
+  {
+    std::set<int> used{};
+
+    if (auto animation = animation_get(reference); animation)
+      for (auto& frame : animation->triggers.frames)
+        used.insert(frame.eventID);
+    else
+      for (auto& animation : animations.items)
+        for (auto& frame : animation.triggers.frames)
+          used.insert(frame.eventID);
+
+    std::set<int> unused{};
+    for (auto& id : content.events | std::views::keys)
+      if (!used.contains(id)) unused.insert(id);
+
+    return unused;
+  }
+
+  bool Anm2::events_deserialize(const std::string& string, merge::Type type, std::string* errorString)
+  {
+    XMLDocument document{};
+
+    if (document.Parse(string.c_str()) == XML_SUCCESS)
+    {
+      int id{};
+
+      if (!document.FirstChildElement("Event"))
+      {
+        if (errorString) *errorString = "No valid event(s).";
+        return false;
+      }
+
+      for (auto element = document.FirstChildElement("Event"); element; element = element->NextSiblingElement("Event"))
+      {
+        auto event = Event(element, id);
+        if (type == merge::APPEND) id = map::next_id_get(content.events);
+        content.events[id] = event;
+      }
+
+      return true;
+    }
+    else if (errorString)
+      *errorString = document.ErrorStr();
+
+    return false;
+  }
+}