added a cache to new horizons bodies that get loaded on body creation and then released

NewHorizons/Handlers/PlanetCreationHandler.cs

@@ -136,6 +136,8 @@ namespace NewHorizons.Handlers
 
         public static bool LoadBody(NewHorizonsBody body, bool defaultPrimaryToSun = false)
         {
+            body.LoadCache();
+
             // I don't remember doing this why is it exceptions what am I doing
             GameObject existingPlanet = null;
             try
@@ -202,6 +204,7 @@ namespace NewHorizons.Handlers
                         catch (Exception ex)
                         {
                             Logger.LogError($"Couldn't make quantum state for [{body.Config.name}]:\n{ex}");
+                            body.UnloadCache();
                             return false;
                         }
                     }
@@ -217,6 +220,7 @@ namespace NewHorizons.Handlers
                 catch (Exception e)
                 {
                     Logger.LogError($"Couldn't update body {body.Config?.name}:\n{e}");
+                    body.UnloadCache();
                     return false;
                 }
             }
@@ -237,8 +241,12 @@ namespace NewHorizons.Handlers
                     {
                         Logger.Log($"Creating [{body.Config.name}]");
                         var planetObject = GenerateBody(body, defaultPrimaryToSun);
-                        if (planetObject == null) return false;
-                        planetObject.SetActive(true);
+                        planetObject?.SetActive(true);
+                        if (planetObject == null) 
+                        { 
+                            body.UnloadCache(); 
+                            return false; 
+                        }
 
                         var ao = planetObject.GetComponent<NHAstroObject>();
 
@@ -250,6 +258,7 @@ namespace NewHorizons.Handlers
                     catch (Exception e)
                     {
                         Logger.LogError($"Couldn't generate body {body.Config?.name}:\n{e}");
+                        body.UnloadCache();
                         return false;
                     }
                 }
@@ -264,6 +273,7 @@ namespace NewHorizons.Handlers
                 Logger.LogError($"Error in event handler for OnPlanetLoaded on body {body.Config.name}: {e}");
             }
             
+            body.UnloadCache();
             return true;
         }
 

NewHorizons/Utility/Cache.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+
+namespace NewHorizons.Utility
+{
+    public class Cache : Dictionary<string, ISerializable>
+    {
+        [NonSerialized] string filepath;
+
+        public Cache(string cacheFilePath) 
+        {
+            filepath = cacheFilePath;
+            var existingEntries = NewHorizons.Main.Instance.ModHelper.Storage.Load<Dictionary<string, ISerializable>>(filepath);
+
+            if (existingEntries == null) return;
+
+            foreach(var entry in existingEntries)
+            {
+                this[entry.Key] = entry.Value;
+            }
+        }
+
+        public void WriteToFile() 
+        { 
+            NewHorizons.Main.Instance.ModHelper.Storage.Save<Dictionary<string, ISerializable>>(this, filepath);  
+        }
+    }
+}

NewHorizons/Utility/NewHorizonBody.cs

@@ -17,10 +17,23 @@ namespace NewHorizons.Utility
 
         public PlanetConfig Config;
         public IModBehaviour Mod;
+        public Cache Cache;
         public string RelativePath;
 
         public GameObject Object;
 
+        #region Cache
+        public void LoadCache()
+        {
+            if (RelativePath != null) Cache = new Cache(RelativePath+".nhcache");
+        }
+
+        public void UnloadCache()
+        {
+            Cache = null; // garbage collection will take care of it
+        }
+        #endregion Cache
+
         #region Migration
         private static readonly string[] _keepLoadedModsList = new string[]
         {
@@ -45,6 +58,7 @@ namespace NewHorizons.Utility
                 }
             }
         }
+
         #endregion
     }
 }