Add GetModelNames method

project/code/LGS/ResourcePathManager.cs

@@ -142,6 +142,25 @@ public class ResourcePathManager
         return null;
     }
 
+    public List<string> GetModelNames(string campaignName)
+    {
+        if (!_initialised) return null;
+
+        if (campaignName == null || campaignName == "")
+        {
+            var names = new List<string>(_omResources.objectPathMap.Keys);
+            names.Sort();
+            return names;
+        }
+        else if (_fmResources.TryGetValue(campaignName, out var campaign))
+        {
+            var names = new List<string>(campaign.objectPathMap.Keys);
+            names.Sort();
+            return names;
+        }
+        return null;
+    }
+
     // TODO: OMs fail to find a path, but FMs using OM textures do  find them
     // The OMs still fail even if I put them in a folder with FMs that work=??
     public string GetTexturePath(string campaignName, string textureName)