208 lines
8.1 KiB
Python
208 lines
8.1 KiB
Python
import json
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import random
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import project_constants as const
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# auxiliary function that returns random attribute values based on their type
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def _get_random_attribute_values(self, attr_type, grid_dimensions):
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num_of_rows, num_of_columns = grid_dimensions
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if attr_type == int:
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# temporary solution
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return random.randint(num_of_rows + num_of_columns, (2 * num_of_rows + num_of_columns))
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else:
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pass
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class JsonGenerator:
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grid = dict()
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def __init__(self, agent_starting_position):
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self.agent_starting_position = agent_starting_position
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starting_row, starting_column = agent_starting_position
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self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
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# sets agent's starting position
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def set_agent_starting_position(self, position):
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# getting position coordinates
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starting_row, starting_column = position
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# setting new agent's starting position
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self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
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# overwrites grid field with a new grid with randomized colors and mines
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def generate_randomized_grid(self, dimensions, mine_appearance_chance=0.25, predecessor_chance_decrease=0.25):
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# clearing grid field
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self.clear_tile_dictionary()
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# getting grid dimensions
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num_of_rows, num_of_columns = dimensions
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tile_pool = []
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for i in range(num_of_rows):
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for j in range(num_of_columns):
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# picking random values for tiles
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random_tile_color = random.choice(const.STRUCT_TILE_COLORS)
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# adding added tile's index to a pool
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tile_pool.append((i, j))
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# adding the random tile
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self.add_tile((i, j), random_tile_color)
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# deleting tile agent's starting tile from the set
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deleted_row, deleted_column = self.grid["agent_starting_position"].split(',')
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tile_pool.remove((int(deleted_row), int(deleted_column)))
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for i in range(num_of_rows):
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for j in range(num_of_columns):
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# checking if a mine will appear
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if random.random() < mine_appearance_chance and len(tile_pool) > 0 and tile_pool.__contains__((i, j)):
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# removing current tile from the set
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tile_pool.remove((i, j))
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# choosing random mine parameters
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random_mine_type = random.choice(const.STRUCT_MINE_TYPES)
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random_attribute_values = []
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for attr_type in const.STRUCT_MINE_ATTRIBUTE_TYPES[random_mine_type]:
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random_attribute_values.append(_get_random_attribute_values(self, attr_type, dimensions))
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# adding the mine
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self.set_a_mine((i, j), random_mine_type, random_attribute_values)
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# if is ChainedMine create predecessors
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if random_mine_type == "chained":
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predecessor_appearance_chance = 1.0
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current_tile = str(i) + ',' + str(j)
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# create chained predecessors
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while random.random() < predecessor_appearance_chance and len(tile_pool) > 0:
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predecessor_appearance_chance -= predecessor_chance_decrease
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predecessor_position = random.choice(tile_pool)
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pre_row, pre_column = predecessor_position
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predecessor = str(pre_row) + ',' + str(pre_column)
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tile_pool.remove(predecessor_position)
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self.set_a_mine(predecessor_position, "chained", [])
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self.grid[current_tile]["mine"]["predecessor"] = predecessor
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self.grid[predecessor]["mine"]["predecessor"] = None
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current_tile = predecessor
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# adds a new tile or edits an existing one in the grid field
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def add_tile(self, position, color):
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# getting added/edited tile's index values
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row, column = position
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# creating new tile without a mine
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self.grid[str(row) + ',' + str(column)] = {
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"color": color,
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"mine": None
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}
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# adds a new tile with a mine or edits an existing one in the grid field
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def add_tile_with_a_mine(self, position, color, mine_type, attribute_values):
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# getting added/edited tile's index values
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row, column = position
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# setting mine data using attribute_values
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mine_values = const.STRUCT_MINE_ATTRIBUTES[mine_type]
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for key in mine_values.keys():
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if key not in const.HARDCODED_VALUES and len(attribute_values) > 0:
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mine_values[key] = attribute_values.pop(0)
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# creating a new tile
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self.grid[str(row) + ',' + str(column)] = {
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"color": color
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}
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# updating the tile with a mine field
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self.grid[str(row) + ',' + str(column)]["mine"] = {}
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for key in mine_values.keys():
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self.grid[str(row) + ',' + str(column)]["mine"][key] = mine_values[key]
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# deletes a mine with a given position from the grid field
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def delete_a_tile(self, position):
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# getting tile's index values
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row, column = position
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# deleting a tile with given key
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self.grid.pop(str(row) + ',' + str(column))
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# adds a mine to a tile stored in the grid field
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def set_a_mine(self, position, mine_type, attribute_values):
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# getting edited tile's index values
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row, column = position
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# setting mine data using attribute_values
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mine_values = const.STRUCT_MINE_ATTRIBUTES[mine_type]
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for key in mine_values.keys():
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if key not in const.HARDCODED_VALUES and len(attribute_values) > 0:
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mine_values[key] = attribute_values.pop(0)
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# adding a mine to the edited tile
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self.grid[str(row) + ',' + str(column)]["mine"] = {}
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for key in mine_values.keys():
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self.grid[str(row) + ',' + str(column)]["mine"][key] = mine_values[key]
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# deletes a mine from a tile stored in the grid field
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def delete_a_mine(self, position):
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# getting edited tile's index values
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row, column = position
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# removing mine from the edited tile
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self.grid[str(row) + ',' + str(column)]["mine"] = None
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# returns the grid field
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def get_tile_dictionary(self):
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return self.grid
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# clears the grid field
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def clear_tile_dictionary(self):
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# clearing grid dict
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self.grid.clear()
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# resetting agents starting position
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starting_row, starting_column = self.agent_starting_position
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self.grid["agent_starting_position"] = str(starting_row) + ',' + str(starting_column)
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# loads a grid from a file and overwrites the grid field
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def load_from_a_file(self, file_path):
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# opening a file for reading
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with open(file_path, 'r') as input_file:
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# overwriting the grid field with the grid stored in a file
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self.grid = json.load(input_file)
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# saves the current grid field to a file
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def save_to_a_file(self, file_path, access_mode):
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# opening a file with a given access mode (w - write / a - append)
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with open(file_path, access_mode) as output_file:
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# saving the grid to the file
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json.dump(self.grid, output_file, indent=2, sort_keys=True)
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# edits a grid in a file. doesn't delete data, only overwrites and adds new entries
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def edit_a_file(self, file_path):
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# opening a file for reading
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with open(file_path, "r") as input_file:
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# loading data that was stored in the file previously
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previous_data = json.load(input_file)
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# creating and updating a new grid using it's own grid field
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new_grid = previous_data
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new_grid.update(self.grid)
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# opening the file for writing
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with open(file_path, "w") as output_file:
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# saving the newly created grid
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json.dump(new_grid, output_file, indent=2, sort_keys=True)
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