python小项目之五子棋游戏
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本文实例为大家分享了python五子棋游戏的具体代码，供大家参考，具体内容如下
1.项目简介
在刚刚学习完python套接字的时候做的一个五子棋小游戏，可以在局域网内双人对战，也可以和电脑对战
2.实现思路
局域网对战
对于局域网功能来说，首先建立连接（tcp），然后每次下棋时将棋子的坐标发送给对方，当接收到坐标后实例化成棋子对象，这个接收时用了select函数，因为pygame需要循环渲染图片，所以要用非阻塞方式接收消息
select()的机制中提供一fd_set的数据结构，实际上是一long类型的数组， 每一个数组元素都能与一打开的文件句柄（不管是Socket句柄，还是其他文件或命名管道或设备句柄）建立联系，建立联系的工作由程序员完成， 当调用select()时，由内核根据IO状态修改fd_set的内容，由此来通知执行了select()的进程哪一Socket或文件可读或可写，主要用于Socket通信当中
主要代码如下：
# 接收cli的消息
if is_people:
rs, ws, es = select.select(inputs, [], [], 0)
for r in rs:
if r is tcpclisock:
try:
data = r.recv(BUFSIZ)
islink = True
print(data.decode('utf8'))
if data.decode('utf8') == 'again':
is_recieve1 = True
if data.decode('utf8') == 'yes':
is_playagain = True
is_play = True
if data.decode('utf8') == 'no':
is_recieve2 = True
islink = False
if not is_play and not result:
me = storn.Storn_Black(eval(data))
black_chesses.append(me)
chesses.append(me)
is_play = True
except error:
islink = False
电脑对战
电脑对战的思路也很简单，用了应该是最常见的也是最简单的方法，就是循环遍历棋盘的每一个点，判断该点的价值，选取价值最大的点落子，这个需要对五子棋的棋型有一定了解，这里介绍几种常见的棋型（约定1为己方棋子，2为对方棋子，0为空）
活四（011110）：这时候四颗棋子相连，同时两端为空，已经阻止不了一方的胜利了，此时价值应该设置最高
死四（011112|10111|11011）：四颗棋子，只有一个地方能形成连五，如果是自己的棋可以赢，是对方的也可以阻止对方赢棋，此时价值次高
就这样把每种棋型判断一下，获得该点的价值，主要代码如下：
# 判断每个点的价值 def point_value(pos, white_chesses, black_chesses, identify1, identify2): value = 0 for i in range(1,9): # *1111_ 活四 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == identify1 and get_point(pos, i, 5, white_chesses, black_chesses) == 0: value += 40000 # *11112 死四1 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == identify1 and get_point(pos, i, 5, white_chesses, black_chesses) == identify2: value += 30000 # 1*111 死四2 if get_point(pos, i, -1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1: value += 30000 # 11*11 死四3 if get_point(pos, i, -2, white_chesses, black_chesses) == identify1 and get_point(pos, i, -1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1: value += 30000 # *111_ 活三1 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == 0: value += 20000 # *1_11_ 活三2 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == identify1 and get_point(pos, i, 5, white_chesses, black_chesses) == 0: value += 20000 # *1112 死三1 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == identify2: value += 15000 # _1_112 死三2 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == identify1 and get_point(pos, i, 5, white_chesses, black_chesses) == identify2: value += 15000 # _11_12 死三3 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == 0 and get_point(pos, i, 4, white_chesses, black_chesses) == identify1 and get_point(pos, i, 5, white_chesses, black_chesses) == identify2: value += 15000 # 1__11 死三4 if get_point(pos, i, -1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 1, white_chesses, black_chesses) == 0 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1: value += 15000 # 1_1_1 死三5 if get_point(pos, i, -1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1: value += 15000 # 2_111_2 死三6 if get_point(pos, i, -1, white_chesses, black_chesses) == identify2 and get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == 0 and get_point(pos, i, 5, white_chesses, black_chesses) == identify2: value += 15000 # __11__ 活二1 if get_point(pos, i, -1, white_chesses, black_chesses) == 0 and get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == identify1 and get_point(pos, i, 3, white_chesses, black_chesses) == 0 and get_point(pos, i, 4, white_chesses, black_chesses) == 0: value += 1000 # _1_1_ 活二2 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0 and get_point(pos, i, 3, white_chesses, black_chesses) == identify1 and get_point(pos, i, 4, white_chesses, black_chesses) == 0: value += 1000 # *1__ if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0 and get_point(pos, i, 3, white_chesses, black_chesses) == 0: value += 30 # *1_ if get_point(pos, i, 1, white_chesses, black_chesses) == identify1 and get_point(pos, i, 2, white_chesses, black_chesses) == 0: value += 20 # *1 if get_point(pos, i, 1, white_chesses, black_chesses) == identify1: value += 10 return value
电脑选择落子位置时，要判断是进攻还是防守，需要两次遍历棋盘，获取进攻时的最大价值和防守的最大价值，主要代码如下：
# 电脑选取落子的位置
def ai(white_chesses, black_chesses, chesses):
value = max1 = max2 = 0
pos1 = pos2 = ()
# 进攻时
for i in range(0,15):
row = 28 + i * 40
for j in range(0,15):
col = 28 + j * 40
pos = (row,col)
if is_empty(pos, chesses):
continue
value = point_value(pos, white_chesses, black_chesses, 1, 2)
if value > max1:
max1 = value
pos1 = (row,col)
# 防守时
for i in range(0,15):
for j in range(0,15):
row = 28 + i * 40
col = 28 + j * 40
if is_empty((row,col), chesses):
continue
value = point_value((row,col), white_chesses, black_chesses, 2, 1)
if value > max2:
max2 = value
pos2 = (row,col)
if max1 > max2:
return pos1
else:
return pos2
3.游戏截图
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。