added JsonGenerator method for setting agent's starting position, also minor code refactoring

json_generator.py

@@ -11,6 +11,14 @@ class JsonGenerator:
         starting_row, starting_column = agent_starting_position
         self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
 
+    # sets agent's starting position
+    def set_agent_starting_position(self, position):
+        # getting position coordinates
+        starting_row, starting_column = position
+
+        # setting new agent's starting position
+        self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
+
     # overwrites grid field with a new grid with randomized colors and mines
     def generate_randomized_grid(self, dimensions):
         # clearing grid field
@@ -69,6 +77,7 @@ class JsonGenerator:
     def add_tile(self, position, color):
         # getting added/edited tile's index values
         row, column = position
+
         # creating new tile without a mine
         self.grid[str(row) + ',' + str(column)] = {
             "color": color,
@@ -127,6 +136,7 @@ class JsonGenerator:
     def delete_a_mine(self, position):
         # getting edited tile's index values
         row, column = position
+
         # removing mine from the edited tile
         self.grid[str(row) + ',' + str(column)]["mine"] = None
 
@@ -136,7 +146,9 @@ class JsonGenerator:
 
     # clears the grid field
     def clear_tile_dictionary(self):
+        # clearing grid dict
         self.grid.clear()
+
         # resetting agents starting position
         starting_row, starting_column = self.agent_starting_position
         self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
@@ -161,9 +173,11 @@ class JsonGenerator:
         with open(file_path, "r") as input_file:
             # loading data that was stored in the file previously
             previous_data = json.load(input_file)
+
             # creating and updating a new grid using it's own grid field
             new_grid = previous_data
             new_grid.update(self.grid)
+
             # opening the file for writing
             with open(file_path, "w") as output_file:
                 # saving the newly created grid