added basic running from old game.py

pocket_friends/game_files/classes/data_handler.py

@@ -0,0 +1,67 @@
+import pocket_friends
+import json
+
+class DataHandler:
+    """
+    Class that handles the hardware attributes and save files.
+    """
+
+    def __init__(self):
+        # Attributes that are saved to a file to recover upon startup.
+        self.attributes = {
+            'version': pocket_friends.__version__,
+            'time_elapsed': 0,
+            'bloop': '',
+            'age': 0,
+            'health': 0,
+            'hunger': 0,
+            'happiness': 0,
+            'care_counter': 0,
+            'missed_care': 0,
+            'adult': 0,
+            'evolution_stage': '',
+        }
+
+        # Frame counter
+        self.frames_passed = 0
+
+    def write_save(self):
+        """
+        Writes attributes of class to "save.json" file.
+        """
+        with open(save_dir + '/save.json', 'w') as save_file:
+            json.dump(self.attributes, save_file)
+            save_file.close()
+
+    def read_save(self):
+        """
+        Reads from "save.json" and inserts into attributes dictionary. Creates file if it does not exist.
+        """
+        # Open up the save file and read it into self.attributes.
+        try:
+            with open(save_dir + '/save.json', 'r') as save_file:
+                self.attributes = json.load(save_file)
+                save_file.close()
+
+        # If there is no save file, write one with the defaults.
+        except FileNotFoundError:
+            self.write_save()
+
+    def update(self):
+        """
+        Run the game logic.
+        """
+        self.frames_passed += 1
+        # Run logic of the game every second.
+        if self.frames_passed >= game_fps:
+
+            # Add one to the age of the bloop.
+            self.attributes['age'] += 1
+
+            # Save the data when the age of the bloop is a multiple of 10.
+            if self.attributes['age'] % 10 == 0:
+                self.write_save()
+
+            # Reset frame counter
+            self.frames_passed = 0
+