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player.py
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player.py
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import random
from typing import List, Dict, Optional
from box import Box
def get_line_boxes(matrix: List[List[Box]], line: List[tuple[int, int]]) -> List[Box]:
"""Returns the boxes adjacent to a given line."""
p1, p2 = line
boxes = []
if p1[0] == p2[0]: # horizontal
pos1 = min(p1, p2, key=lambda x: x[1])
if pos1[0] > 0:
box_top = matrix[pos1[0] - 1][pos1[1]]
boxes.append(box_top)
if pos1[0] < len(matrix):
box_bottom = matrix[pos1[0]][pos1[1]]
boxes.append(box_bottom)
else: # vertical
pos1 = min(p1, p2, key=lambda x: x[0])
if pos1[1] > 0:
box_left = matrix[pos1[0]][pos1[1] - 1]
boxes.append(box_left)
if pos1[1] < len(matrix[0]):
box_right = matrix[pos1[0]][pos1[1]]
boxes.append(box_right)
return boxes
def get_adjacent_boxes(matrix: List[List[Box]], box: Box) -> Dict[str, Optional[Box]]:
"""Returns the boxes adjacent to a given box."""
boxes = {'top': None, 'bottom': None, 'left': None, 'right': None}
if box.idx[0] > 0:
boxes['top'] = matrix[box.idx[0] - 1][box.idx[1]]
if box.idx[0] < len(matrix) - 1:
boxes['bottom'] = matrix[box.idx[0] + 1][box.idx[1]]
if box.idx[1] > 0:
boxes['left'] = matrix[box.idx[0]][box.idx[1] - 1]
if box.idx[1] < len(matrix[0]) - 1:
boxes['right'] = matrix[box.idx[0]][box.idx[1] + 1]
return boxes
def count_adjacent_boxes(matrix: List[List[Box]], box: Box) -> int:
"""Returns the number of adjacent boxes around a given box."""
count = 0
if box.idx[0] > 0:
count += 1
if box.idx[0] < len(matrix) - 1:
count += 1
if box.idx[1] > 0:
count += 1
if box.idx[1] < len(matrix[0]) - 1:
count += 1
return count
def get_random_empty_side(box: Box, exclude: Optional[tuple[int, int]] = None) -> Optional[tuple[int, int]]:
"""Returns a random empty side of a given box."""
choices = []
if box.top is None and (exclude is None or box.top_idx() != exclude):
choices.append(box.top_idx())
if box.bottom is None and (exclude is None or box.bottom_idx() != exclude):
choices.append(box.bottom_idx())
if box.left is None and (exclude is None or box.left_idx() != exclude):
choices.append(box.left_idx())
if box.right is None and (exclude is None or box.right_idx() != exclude):
choices.append(box.right_idx())
return random.choice(choices) if choices else None
def get_side_counts(matrix: List[List[Box]], box: Box) -> Dict[str, Optional[int]]:
"""Returns the number of sides occupied around a given box."""
sides = {'top': None, 'bottom': None, 'left': None, 'right': None}
if box.idx[0] > 0:
sides['top'] = matrix[box.idx[0] - 1][box.idx[1]].sides
if box.idx[0] < len(matrix) - 1:
sides['bottom'] = matrix[box.idx[0] + 1][box.idx[1]].sides
if box.idx[1] > 0:
sides['left'] = matrix[box.idx[0]][box.idx[1] - 1].sides
if box.idx[1] < len(matrix[0]) - 1:
sides['right'] = matrix[box.idx[0]][box.idx[1] + 1].sides
return sides
def is_side_less_than(matrix: List[List[Box]], box: Box, side: str, num: int) -> bool:
"""Checks if the sides around a given box are less than a specified number."""
sides = get_side_counts(matrix, box)[side]
return sides is None or sides < num
def is_facing_outside(matrix: List[List[Box]], box: Box) -> bool:
"""Checks if a given box is facing the outside of the matrix."""
if box.idx[0] == 0 and box.top is None:
return True
if box.idx[0] == len(matrix) - 1 and box.bottom is None:
return True
if box.idx[1] == 0 and box.left is None:
return True
if box.idx[1] == len(matrix[0]) - 1 and box.right is None:
return True
return False
def easy_strategy(matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
"""Returns a move for easy difficulty."""
if prev_line:
for prev_box in get_line_boxes(matrix, prev_line):
if prev_box.sides == 3:
return get_random_empty_side(prev_box)
boxes = Box.ALL_BOXES
box0 = [box for box in boxes if box.sides == 0]
box1 = [box for box in boxes if box.sides == 1]
box2 = [box for box in boxes if box.sides == 2]
box3 = [box for box in boxes if box.sides == 3]
if box3:
return get_random_empty_side(random.choice(box3))
if box0:
return get_random_empty_side(random.choice(box0))
if box1:
return get_random_empty_side(random.choice(box1))
if box2:
return get_random_empty_side(random.choice(box2))
def medium_strategy(matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
"""Returns a move for medium difficulty."""
if prev_line:
for prev_box in get_line_boxes(matrix, prev_line):
if prev_box.sides == 3:
return get_random_empty_side(prev_box)
boxes = Box.ALL_BOXES
box0 = [box for box in boxes if box.sides == 0]
box1 = [box for box in boxes if box.sides == 1]
box2 = [box for box in boxes if box.sides == 2]
box3 = [box for box in boxes if box.sides == 3]
box_less2 = box0 + box1
if box3:
return get_random_empty_side(random.choice(box3))
sides_to_check = ['top', 'bottom', 'left', 'right']
choices = []
for side in sides_to_check:
choices.extend([
getattr(box, f"{side}_idx")()
for box in box_less2 if is_side_less_than(matrix, box, side, 2)
])
if choices:
return random.choice(choices)
if box0:
return get_random_empty_side(random.choice(box0))
if box1:
return get_random_empty_side(random.choice(box1))
if box2:
return get_random_empty_side(random.choice(box2))
def hard_strategy(matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
"""Returns a move for hard difficulty."""
if prev_line:
for prev_box in get_line_boxes(matrix, prev_line):
if prev_box.sides == 3:
return get_random_empty_side(prev_box)
boxes = Box.ALL_BOXES
box0 = [box for box in boxes if box.sides == 0]
box1 = [box for box in boxes if box.sides == 1]
box3 = [box for box in boxes if box.sides == 3]
if box3:
return get_random_empty_side(random.choice(box3))
box_less2 = box0 + box1
sides_to_check = ['top', 'bottom', 'left', 'right']
choices = []
for side in sides_to_check:
choices.extend([
getattr(box, f"{side}_idx")()
for box in box_less2 if is_side_less_than(matrix, box, side, 2)
])
if choices:
return random.choice(choices)
chains = []
checked = []
crosses = []
options = boxes.copy()
while len(checked) < len(boxes):
current = [options[0]]
if current[0].color is not None:
checked.append(current[0])
options.remove(current[0])
continue
if current[0].sides < 2:
crosses.append(current[0])
checked.append(current[0])
options.remove(current[0])
continue
new_chain = []
chain = []
while current:
for box in current:
checked.append(box)
chain.append(box)
options.remove(box)
for direction in ['top', 'bottom', 'left', 'right']:
adj_box = get_adjacent_boxes(matrix, box)[direction]
if getattr(box, direction) is None and adj_box and adj_box not in new_chain and adj_box not in chain:
if adj_box.sides >= 2:
new_chain.append(adj_box)
current = new_chain
new_chain = []
chains.append(chain)
sorted_chains = sorted(chains, key=len)
if sorted_chains:
return get_random_empty_side(random.choice(sorted_chains[0]))
return get_random_empty_side(random.choice(crosses))
def extreme_strategy(matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
"""Returns a move for extreme difficulty."""
boxes = Box.ALL_BOXES
box0 = [box for box in boxes if box.sides == 0]
box1 = [box for box in boxes if box.sides == 1]
box3 = [box for box in boxes if box.sides == 3]
box_less2 = box0 + box1
sides_to_check = ['top', 'bottom', 'left', 'right']
choices = []
for side in sides_to_check:
choices.extend([
getattr(box, f"{side}_idx")()
for box in box_less2 if is_side_less_than(matrix, box, side, 2)
])
chains = []
checked = []
crosses = []
options = boxes.copy()
while len(checked) < len(boxes):
current = [options[0]]
if current[0].color is not None:
checked.append(current[0])
options.remove(current[0])
continue
if current[0].sides < 2:
crosses.append(current[0])
checked.append(current[0])
options.remove(current[0])
continue
new_chain = []
chain = []
while current:
for box in current:
checked.append(box)
chain.append(box)
options.remove(box)
for direction in ['top', 'bottom', 'left', 'right']:
adj_box = get_adjacent_boxes(matrix, box)[direction]
if getattr(box, direction) is None and adj_box and adj_box not in new_chain and adj_box not in chain:
if adj_box.sides >= 2:
new_chain.append(adj_box)
current = new_chain
new_chain = []
chains.append(chain)
sorted_chains = sorted(chains, key=len)
if prev_line:
for prev_box in get_line_boxes(matrix, prev_line):
if prev_box.sides == 3:
side = get_random_empty_side(prev_box)
if not choices and len(sorted_chains) > 1:
if len(sorted_chains[1]) > 2 and len(box3) < 2:
side_boxes = get_line_boxes(matrix, side)
for box in side_boxes:
if box != prev_box and count_adjacent_boxes(matrix, box) < 4 and is_facing_outside(matrix, box):
return get_random_empty_side(box, exclude=side)
return side
if box3:
selected_box = random.choice(box3)
side = get_random_empty_side(selected_box)
if not choices and len(sorted_chains) > 1:
if len(sorted_chains[1]) > 2 and len(box3) < 2:
side_boxes = get_line_boxes(matrix, side)
for box in side_boxes:
if box != selected_box and count_adjacent_boxes(matrix, box) < 4 and is_facing_outside(matrix, box):
return get_random_empty_side(box, exclude=side)
return side
if choices:
return random.choice(choices)
if sorted_chains:
return get_random_empty_side(random.choice(sorted_chains[0]))
return get_random_empty_side(random.choice(crosses))
def expert_strategy(matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
"""Returns a move for expert difficulty. (To be implemented)"""
pass
class Player:
def __init__(self, player_type: str, color: str, difficulty: int = 1):
self.player_type = player_type
self.score = 0
self.color = color
self.move = None
self.difficulty = difficulty
def get_move(self, matrix: List[List[Box]], prev_line: Optional[List[tuple[int, int]]]) -> Optional[tuple[int, int]]:
if self.player_type == 'human':
move = self.move
self.move = None
return move
strategy_funcs = {
1: easy_strategy,
2: medium_strategy,
3: hard_strategy,
4: extreme_strategy,
5: expert_strategy # Placeholder for future implementation
}
return strategy_funcs[self.difficulty](matrix, prev_line)