fixed event handling and a lot of ID stuff OOPS

src/anm2/anm2.h

@@ -40,6 +40,7 @@ namespace anm2ed::anm2
     Spritesheet* spritesheet_get(int);
     bool spritesheet_add(const std::filesystem::path&, const std::filesystem::path&, int&);
     std::vector<std::string> spritesheet_labels_get();
+    std::vector<int> spritesheet_ids_get();
     std::set<int> spritesheets_unused();
     bool spritesheets_deserialize(const std::string&, const std::filesystem::path&, types::merge::Type type,
                                   std::string*);
@@ -56,11 +57,13 @@ namespace anm2ed::anm2
 
     void event_add(int&);
     std::vector<std::string> event_labels_get();
+    std::vector<int> event_ids_get();
     std::set<int> events_unused();
     bool events_deserialize(const std::string&, types::merge::Type, std::string*);
 
     bool sound_add(const std::filesystem::path& directory, const std::filesystem::path& path, int& id);
     std::vector<std::string> sound_labels_get();
+    std::vector<int> sound_ids_get();
     std::set<int> sounds_unused();
     bool sounds_deserialize(const std::string&, const std::filesystem::path&, types::merge::Type, std::string*);
 

src/anm2/anm2_events.cpp

@@ -25,6 +25,15 @@ namespace anm2ed::anm2
     return labels;
   }
 
+  std::vector<int> Anm2::event_ids_get()
+  {
+    std::vector<int> ids{};
+    ids.emplace_back(-1);
+    for (auto& id : content.events | std::views::keys)
+      ids.emplace_back(id);
+    return ids;
+  }
+
   std::set<int> Anm2::events_unused()
   {
     std::set<int> used{};

src/anm2/anm2_sounds.cpp

@@ -29,6 +29,15 @@ namespace anm2ed::anm2
     return labels;
   }
 
+  std::vector<int> Anm2::sound_ids_get()
+  {
+    std::vector<int> ids{};
+    ids.emplace_back(-1);
+    for (auto& [id, sound] : content.sounds)
+      ids.emplace_back(id);
+    return ids;
+  }
+
   std::set<int> Anm2::sounds_unused()
   {
     std::set<int> used;

src/anm2/anm2_spritesheets.cpp

@@ -47,6 +47,14 @@ namespace anm2ed::anm2
     return labels;
   }
 
+  std::vector<int> Anm2::spritesheet_ids_get()
+  {
+    std::vector<int> ids{};
+    for (auto& [id, spritesheet] : content.spritesheets)
+      ids.emplace_back(id);
+    return ids;
+  }
+
   bool Anm2::spritesheets_deserialize(const std::string& string, const std::filesystem::path& directory,
                                       merge::Type type, std::string* errorString)
   {

src/anm2/frame.cpp

@@ -103,10 +103,11 @@ namespace anm2ed::anm2
         element->SetAttribute("Interpolated", isInterpolated);
         break;
       case TRIGGER:
-        element->SetAttribute("EventId", eventID);
+        if (eventID != -1) element->SetAttribute("EventId", eventID);
 
         for (auto& id : soundIDs)
         {
+          if (id == -1) continue;
           auto soundChild = element->InsertNewChildElement("Sound");
           soundChild->SetAttribute("Id", id);
         }