Fix what I broke while trying to fix the unique name issue

For some reason, I broke a lot of things while implementing what I thought would be the best idea to avoid duplicate names in models and materials. I'm undoing that with in this commit, but I'll go back to it after receiving some feedback while the beta-testing phase is still going on.

app.py

@@ -17,8 +17,6 @@
 from datetime import datetime
 from modules.MapExporter import exportMap
 
-
-
 # global settings
 settings = json.loads(open("res/settings.json").read())
 gameDef = json.loads(open("res/gameDef.json").read())
@@ -54,7 +52,7 @@ def __init__(self, root: tk.Tk):
         settingsMenu = tk.Menu(menuBar, tearoff=0)
         menuBar.add_cascade(label="Settings", menu=settingsMenu)
 
-        self.currentGame = tk.IntVar(value=settings["currentGame"])
+        self.currentGame = tk.IntVar(value=settings["currentGame"] if settings["currentGame"] != -1 else len(gameDef) - 1)
 
         currentGameMenu = tk.Menu(menuBar, tearoff=0)
         for i in range(len(gameDef)):
@@ -93,7 +91,6 @@ def __init__(self, root: tk.Tk):
         self.vmfPath["justify"] = "left"
         self.vmfPath.place(x=80,y=10,width=690,height=30)
 
-
         vpkLabel=tk.Label(root)
         vpkLabel["font"] = ft
         vpkLabel["fg"] = "#333333"
@@ -353,7 +350,6 @@ def saveConsoleLog(self):
             return None
         open(saveFile.name, "w").write(consoleLog)
 
-
     def convertButton_command(self):
         # save the extra vpk files and directories in case the user needs them later
         vpkFiles = list(self.vpkList.get(0, self.vpkList.size() - 1))
@@ -369,7 +365,6 @@ def convertButton_command(self):
         for dir in gameDef[self.currentGame.get()]["gameDirs"]:
             gameDirs.append(settings["steamDir"] + "/steamapps/common/" + gameDef[self.currentGame.get()]["gameRoot"] + "/" + dir)
 
-
         vmfPath = self.vmfPath.get()
         # check if the selected file is a valid VMF file
         if len(vmfPath) == "0":