import curses
import random
from itertools import chain
class GameField(object):
def __init__(self, width=4, height=4, win_score=2048):
self.width = width
self.height = height
self.score = 0 # 当前得分
self.highscore = 0 # 最高分
self.win_score = win_score
# 存储判断各个方向是否可移动的函数?
self.moves = {}
self.moves['Left'] = self.is_move_left
self.moves['Right'] = self.is_move_right
self.moves['Up'] = self.is_move_up
self.moves['Down'] = self.is_move_down
# # 存储执行各个方向移动的函数?
self.movesDict = {}
self.movesDict['Left'] = self.move_left
self.movesDict['Right'] = self.move_right
self.movesDict['Up'] = self.move_up
self.movesDict['Down'] = self.move_down
# 重置棋盘, 重新开始游戏时, 执行的操作;
def reset(self):
# 2). 是否要更新最高分, 当前分数为0;
if self.score > self.highscore:
self.highscore = self.score
self.score = 0
# 3). 创建棋盘的数据, 默认情况下时4*4, 数值全为0;
self.field = [[0 for j in range(self.height)] for i in range(self.width)]
self.random_create()
self.random_create()
# 开始游戏时, 棋盘数据会随机生成2或者4,
def random_create(self):
# field[0][2] = 2
while True:
firstIndex = random.choice(range(self.height))
secondIndex = random.choice(range(self.width))
if self.field[firstIndex][secondIndex] == 0:
value = random.choice([2, 4, 2, 2, 2])
self.field[firstIndex][secondIndex] = value
break
# 画棋盘
def draw(self, stdstr):
def draw_sep():
# print("+-----" * 4 + '+')
stdstr.addstr("+-----" * self.width + '+' + '\n')
# 2. 画每一行的格子
def draw_one_row(row): # [0, 2, 0, 0] | | 2 | | |
stdstr.addstr("".join(['| %d ' % (item) if item != 0 else '| ' for item in row]) + '|\n')
stdstr.clear()
stdstr.addstr(''.center(42, "*")+'\n')
stdstr.addstr('2048游戏'.center(40, '*')+'\n')
stdstr.addstr(''.center(42, '*')+'\n')
# 3. 绘制棋盘
for row in self.field:
draw_sep()
draw_one_row(row)
draw_sep()
stdstr.addstr("\n当前分数: %s" % (self.score))
stdstr.addstr("\n当前最高分数: %s" % (self.highscore))
stdstr.addstr(" \n游戏帮助: 上下左右键 (R)estart E(xit) ")
if self.is_win():
stdstr.addstr("\n游戏胜利\n")
if self.is_gameover():
stdstr.addstr("游戏失败\n")
def is_win(self):
# return max(chain(*self.field)) >= 2048
return max(chain(*self.field)) >= self.win_score
def is_gameover(self):
return not any([self.is_move_left(self.field),
self.is_move_right(self.field),
self.is_move_up(self.field),
self.is_move_down(self.field)])
def is_row_left(self, row): # [0, 2,2,0]
# 任意两个元素可以向左移动?
def is_change(index): # index时索引值, [0,1,2,3]
# - 如果第一个数值为0, 第二个数值不为0, 则说明可以向左移动;
if row[index] == 0 and row[index + 1] != 0:
return True
# - 如果第一个数值不为0, 第二个数值与第一个元素相等, 则说明可以向左移动;
if row[index] != 0 and row[index + 1] == row[index]:
return True
return False
# 只要这一行的任意两个元素可以向左移动, 则返回True;
return any([is_change(index) for index in range(self.width-1)])
def invert(self, field):
"""矩阵的反转"""
return [row[::-1] for row in field]
def transpose(self, field):
"""实现矩阵的转置"""
# zip: 实现
# *field对列表进行解包;
return [ list(row) for row in zip(*field)]
def is_move_left(self, field):
# 只要棋盘的任意一行可以向左移动, 就返回True;
return any([self.is_row_left(row) for row in field])
def is_move_right(self, field):
# 对棋盘的每一行元素进行反转;
invertField = self.invert(field)
return self.is_move_left(invertField)
def is_move_up(self, field):
# 对棋盘的每一行元素进行转置;
transposeField = self.transpose(field)
return self.is_move_left( transposeField)
def is_move_down(self, field):
# 判断能否向下移动, 也就是对于元素进行转置, 判断转置后的棋盘能否向右移动;
# 对棋盘的每一行元素进行反转;
transposeField = self.transpose(field)
return self.is_move_right(transposeField)
# 1). 先把这一行的非0 数字向前放, 0向后放; ==== [2, 2, 2, 2]
def tight(self, row): # [2,0,2,0]
return sorted(row, key=lambda x: 1 if x == 0 else 0)
# 2). 依次循环判断两个数是否相等, 如果相等, 第一个*2, 第二个数为0; 【4, 0, 4, 0】
def merge(self, row):
for index in range(self.width-1):
if row[index] == row[index + 1]:
row[index] *= 2
row[index + 1] = 0
# 如果合并完成, 分数增加row[index]
self.score += row[index]
return row
def move_row_left(self, row):
return self.tight(self.merge(self.tight(row)))
def move_left(self, field):
return [self.move_row_left(row) for row in field]
def move_right(self, field):
field = self.invert(field)
return self.invert(self.move_left(field))
def move_up(self, field):
field = self.transpose(field)
return self.transpose(self.move_left(field))
def move_down(self, field):
field = self.transpose(field)
return self.transpose(self.move_right(field))
def move(self, direction):
# 1). 判断这个方向是否可以移动?
# 2). 执行移动的操作
# 3). 再随机生成一个2或者4
# 确保是上下左右的按键
if direction in self.moves:
# 1).判断这个方向是否可以移动?
if self.moves[direction](self.field):
self.field = self.movesDict[direction](self.field)
self.random_create()
else:
return False
def get_user_action(stdstr):
# 获取用户键盘输入的内容
action = stdstr.getch()
if action == curses.KEY_UP:
return 'Up'
if action == curses.KEY_DOWN:
return 'Down'
if action == curses.KEY_LEFT:
# stdstr.addstr("left")
return 'Left'
if action == curses.KEY_RIGHT:
# stdstr.addstr("right")
return 'Right'
# 获取字母r的ASCII码
if action == ord('r'):
# stdstr.addstr("重新开始")
return 'Restart'
if action == ord('e'):
# stdstr.addstr("退 出")
return 'Exit'
def main(stdstr):
game_field = GameField(width=6, height=6, win_score=8)
def init():
game_field.reset()
game_field.draw(stdstr)
return 'Game'
def game():
# 重新绘制棋盘
game_field.draw(stdstr)
action = get_user_action(stdstr)
if action == 'Restart':
return 'Init'
if action == 'Exit':
return 'Exit'
if game_field.move(action):
# move函数
if game_field.is_win():
return 'Win'
if game_field.is_gameover():
return 'Gameover'
return 'Game'
def not_game():
action = get_user_action(stdstr)
if action == 'Restart':
return 'Init'
if action == 'Exit':
return 'Exit'
state = 'Init'
state_dict = {
'Init': init,
'Game': game,
'Win':not_game,
'Gameover':not_game,
'Exit': exit
}
while True:
state = state_dict[state]()
# if state == 'Init':
# # 通过初始化函数, 进入游戏状态;
# state = init()
# if state == 'Game':
# # 执行game函数, 判断用户的操作;
# # 1). 继续游戏; (upo, down, left, right)
# # 2). 重新开始;(R)
# # 3). 退出;(Q)
#
# state = game()
#
# if state == 'Win':
# # 没有进行游戏, 只有两种状态;
# # 1). 重新开始;(R)
# # 2). 退出;(Q)
# state = not_game()
# if state == 'Gameover':
# state = not_game()
# if state == 'Exit':
# exit()
curses.wrapper(main)
重新开始之后会保存最高分