made changes to launch script, added customizable resolution

pocket_friends/__main__.py

@@ -1,29 +1,7 @@
 """
-Launch script for Pocket Friends.
+Wrapper that launches the launch script.
 """
-import os
-from pathlib import Path
-import pygame
-import sys
-from pocket_friends.game_files.game import main as game_main
-from pocket_friends.development.dev_menu import main as dev_menu_main
+import pocket_friends.launch as launch
 
 if __name__ == '__main__':
-    enable_dev = False
-
-    # enable dev mode if --dev argument is passed
-    if len(sys.argv) > 0:
-        for args in sys.argv:
-            if args == '--dev':
-                enable_dev = True
-            if args == '--delete-save':
-                save_dir = os.path.join(Path.home(), '.pocket_friends')
-                os.remove(save_dir + '/save.json')
-
-    if not enable_dev:
-        game_main()
-    else:
-        dev_menu_main()
-
-    pygame.quit()
-    sys.exit()
+    launch.main()

pocket_friends/game_files/game.py

@@ -534,7 +534,7 @@ except ImportError:
     on_hardware = False
 
 
-def game():
+def game(screen_size):
     """
     Starts the game.
     """
@@ -543,10 +543,6 @@ def game():
     # Hide the cursor for the Pi display.
     pygame.mouse.set_visible(False)
 
-    # The game is normally rendered at 80 pixels and upscaled from there. If changing displays, change the
-    # screen_size to reflect what the resolution of the new display is.
-    screen_size = 320
-
     window = pygame.display.set_mode((screen_size, screen_size))
     surface = pygame.Surface((game_res, game_res))
 
@@ -974,11 +970,11 @@ def game():
                 draw()
 
 
-def main():
+def main(screen_size=320):
     """
     Calls the game() function to start the game.
     """
-    game()
+    game(screen_size)
 
     GPIOHandler.teardown()
     pygame.quit()

pocket_friends/launch.py

@@ -0,0 +1,42 @@
+import os
+from pathlib import Path
+import argparse
+import pygame
+import sys
+from pocket_friends.game_files.game import main as game_main
+
+
+def main():
+    """
+    Launch script for Pocket Friends.
+    """
+
+    # Creates the parser object.
+    parser = argparse.ArgumentParser()
+
+    # Adds parser arguments.
+    parser.add_argument('-D', '--delete-save', action='store_true', help='Deletes the save file if it exists.')
+    parser.add_argument('-s', '--size', type=int, default=320, help='Sets the size of the window.')
+
+    # Parse the arguments given
+    args = parser.parse_args()
+
+    # If given the delete-save argument, delete the safe file
+    if args.delete_save:
+        save_dir = os.path.join(Path.home(), '.pocket_friends')
+        # Remove the file if it exists
+        try:
+            os.remove(save_dir + '/save.json')
+            print('Save file deleted.')
+        except FileNotFoundError:
+            print('Save file does not exist, cannot delete.')
+
+    # Set the screen size
+    screen_size = int(args.size)
+
+    # Start the game
+    game_main(screen_size)
+
+    # Cleanup
+    pygame.quit()
+    sys.exit()