A_star #2
@ -13,5 +13,5 @@ def generate_field() -> List[List[Tile]]:
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class Environment:
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def __init__(self, field: List[List[Tile]] = None):
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self.field = generate_field()
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self.field = field if field else generate_field()
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self.mine_count = sum(sum(1 for tile in row if tile.mine) for row in self.field)
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14
src/main.py
14
src/main.py
@ -2,7 +2,7 @@ import pygame as pg
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from agent import Agent
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from game_ui import GameUi
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from const import ICON, IMAGES
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from const import ICON, IMAGES, DEBUG_FIELD
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from environment import Environment
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from search_algoritms.BFS import breadth_first_search, breadth_first_search_for_a_star
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from src.search_algoritms.a_star import a_star
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@ -41,7 +41,7 @@ def main():
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pg.display.set_icon(pg.image.load(ICON))
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pg.fastevent.init()
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env = Environment()
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env = Environment(DEBUG_FIELD)
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agent = Agent()
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game_ui = GameUi(agent, env)
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game_ui.update()
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@ -63,11 +63,11 @@ def main():
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if event.key == pg.K_t:
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print('Starting to clear the sector')
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while env.mine_count:
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print('-'*20)
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#path, actions = breadth_first_search(env.field, agent.x, agent.y, agent.direction)
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path, actions = a_star (env.field, agent.x, agent.y, agent.direction,
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breadth_first_search_for_a_star (env.field, agent.x, agent.y,
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agent.direction))
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print('-' * 20)
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# path, actions = breadth_first_search(env.field, agent.x, agent.y, agent.direction)
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path, actions = a_star(env.field, agent.x, agent.y, agent.direction,
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breadth_first_search_for_a_star(env.field, agent.x, agent.y,
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agent.direction))
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if not path and not env.field[agent.y][agent.x].mine:
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print('Unable to find path, rocks are in the way')
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break
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@ -1,7 +1,5 @@
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from typing import List, Tuple
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from ap_mine import APMine
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from at_mine import ATMine
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from src.node import Node
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from src.tile import Tile
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from .helpers import successor, get_path_actions_a_star, calculate_priority
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@ -13,7 +11,6 @@ def a_star(field: List[List[Tile]], start_x: int, start_y: int, start_direction:
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while node_queue:
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node = node_queue.pop(0)
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# przy get wyciąga element z najniższą wartością priorytetu
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if (node.x, node.y) == goal:
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return get_path_actions_a_star(node, field)
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@ -33,18 +30,3 @@ def a_star(field: List[List[Tile]], start_x: int, start_y: int, start_direction:
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node_queue.sort()
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return False, False
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def nearest_bomb(a: Tuple[int, int], field: List[List[Tile]]):
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min = 20
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min_x = 0
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min_y = 0
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for x in range(10):
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for y in range(10):
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if isinstance(field[y][x].mine, (APMine, ATMine)):
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distance = abs(a[0] - x) + abs(a[1] - y)
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if distance < min:
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min = distance
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min_x = x
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min_y = y
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return min_x, min_y
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@ -6,6 +6,16 @@ from src.node import Node
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from src.tile import Tile
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def get_path_actions(node: Node):
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path = []
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actions = []
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while node.parent:
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path.append((node.x, node.y))
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actions.append(node.action)
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node = node.parent
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return path[::-1], actions[::-1]
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def successor(field: List[List[Tile]], x: int, y: int, direction: int):
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"""
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kody klawiszy:
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@ -28,28 +38,6 @@ def successor(field: List[List[Tile]], x: int, y: int, direction: int):
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return neighbours
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def get_path_actions(node: Node, field: List[List[Tile]]):
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path = []
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actions = []
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while node.parent:
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path.append((node.x, node.y))
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actions.append(node.action)
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node = node.parent
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return path[::-1], actions[::-1]
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def get_path_actions_a_star(node: Node, field: List[List[Tile]]):
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path = []
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actions = []
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while node.parent:
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path.append((node.x, node.y))
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print(field[node.y][node.x], field[node.y][node.x].weight, node.x, node.y, field[node.y][node.x].mine)
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if field[node.y][node.x].mine:
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actions.append(32)
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actions.append(node.action)
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node = node.parent
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return path[::-1], actions[::-1]
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def cost(field: List[List[Tile]], node):
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return 1 if (node.parent.x, node.parent.y) == (node.x, node.y) else field[node.y][node.x].weight
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@ -60,3 +48,15 @@ def calculate_priority(field: List[List[Tile]], node, goal_test: Tuple[int, int
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def heuristic(a, b):
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return abs(a.x - b[0]) + abs(a.y - b[1])
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def get_path_actions_a_star(node: Node, field: List[List[Tile]]):
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path = []
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actions = []
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while node.parent:
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path.append((node.x, node.y))
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if field[node.y][node.x].mine:
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actions.append(32)
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actions.append(node.action)
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node = node.parent
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return path[::-1], actions[::-1]
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Block a user