Added simulation files.

simulation/SimulationRunner.py

@@ -0,0 +1,40 @@
+from importlib import import_module
+import tkinter as tk
+import os
+import sys
+from time import sleep
+from tkinter import filedialog
+from abc import ABC, abstractmethod
+
+class SimulationRunner:
+    def __init__(self, simulation) -> None:
+        self.simulation = simulation()
+        self.simulation.start()
+        while self.simulation.tick():
+            self.simulation.use()
+        self.simulation.stop()
+
+if __name__ == '__main__':
+    if len(sys.argv) == 1:
+        # Create a hidden root window
+        root = tk.Tk()
+        root.withdraw()
+
+        # Open the file chooser dialog
+        file_path = filedialog.askopenfilename()
+        print(f"Selected file: {file_path}")
+    else:
+        file_path = sys.argv[1]
+
+    # Get the python file's directory and filename
+    module_dir, module_file = os.path.split(file_path)
+    # Get the python file's name without any extension
+    module_name, _ = os.path.splitext(module_file)
+
+    # Add the module directory to sys.path so we can import it unqualified
+    sys.path.append(module_dir)
+
+    simulation = import_module(module_name)
+    # Load the simulation module's simulation class, which should be the same
+    # name as the module name.
+    simulationrunner = SimulationRunner(getattr(simulation, module_name))