Implement #99

- Take off where you left off. When you close a project. Everything is saved so the next time you open it you can continue from there.

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "discord-rpc-csharp"]
-	path = discord-rpc-csharp
-	url = https://github.com/Lachee/discord-rpc-csharp

WolvenKit/Forms/frmMain.cs

@@ -538,10 +538,15 @@ private void createNewMod()
 
         private void SaveMod()
         {
-            var ser = new XmlSerializer(typeof(W3Mod));
-            var modfile = new FileStream(ActiveMod.FileName, FileMode.Create, FileAccess.Write);
-            ser.Serialize(modfile, ActiveMod);
-            modfile.Close();
+            if (ActiveMod != null)
+            {
+                if(ActiveMod.LastOpenedFiles != null)
+                    ActiveMod.LastOpenedFiles = OpenDocuments.Select(x => x.File.FileName).ToList();
+                var ser = new XmlSerializer(typeof(W3Mod));
+                var modfile = new FileStream(ActiveMod.FileName, FileMode.Create, FileAccess.Write);
+                ser.Serialize(modfile, ActiveMod);
+                modfile.Close();
+            }
         }
 
         public IDockContent DeserializeDockContent(string persistString)
@@ -634,6 +639,17 @@ private void openMod(string file = "")
             {
                 MessageBox.Show("Failed to upgrade the project!\n" + ex,"Error",MessageBoxButtons.OK,MessageBoxIcon.Error);
             }
+
+            if (ActiveMod?.LastOpenedFiles != null)
+            {
+                foreach (var doc in ActiveMod.LastOpenedFiles)
+                {
+                    if (File.Exists(doc))
+                    {
+                        LoadDocument(doc);
+                    }
+                }
+            }
         }
 
         /// <summary>
@@ -1182,6 +1198,8 @@ private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
             if (MainController.Get().ProjectUnsaved)
                 if (MessageBox.Show("There are unsaved changes in your project. Would you like to save them?", "WolvenKit", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                     saveAllFiles();
+
+            SaveMod();
         }
 
         private void frmMain_FormClosed(object sender, FormClosedEventArgs e)

WolvenKit/W3Mod.cs

@@ -101,6 +101,9 @@ public List<string> DLCFiles
             }
         }
 
+        [Browsable(false)] 
+        public List<string> LastOpenedFiles;
+
 
         [XmlIgnore]
         [ReadOnly(true)]
@@ -120,6 +123,7 @@ public object Clone()
             clone.Name = Name;
             clone.FileName = FileName;
             clone.version = version;
+            clone.LastOpenedFiles = LastOpenedFiles;
             return clone;
         }
     }