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SafariChess/SafariChess_backend.py

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import socket
import this
import requests
import sys
import json
from threading import Thread
from queue import Queue
#multithreading?
class Move:
def __init__(self,start_loc,end_loc,board):
self.start_row = start_loc[0]
self.start_col = start_loc[1]
self.end_row = end_loc[0]
self.end_col = end_loc[1]
self.nxt_piece = board[self.end_row][self.end_col]
self.cur_piece = board[self.start_row][self.start_col]
self.attack = self.nxt_piece != '00'
self.moveID = self.start_row + self.start_col*10 + self.end_row *100 +self.end_col * 1000 #Hash
def __eq__(self, __o: object) -> bool:
if isinstance(__o, Move):
return self.moveID == __o.moveID
return False
def __str__(self):
return f"{self.start_row=}, "+f"{self.start_col=}, "+f"{self.end_row=}, "+f"{self.end_col=}"
def get_goal(self):
return (self.end_row, self.end_col)
def get_start(self):
return (self.start_row, self.start_col)
def get_goal_chess_comb(self):
return (self.end_row, self.end_col, self.cur_piece)
def get_turn(self):
return self.cur_piece[0]
def get_piece(self):
return self.cur_piece
def startNewThread(target):
thread = Thread(target=target)
thread.daemon = True
thread.start()
class GameState:
def __init__(self):
'''
有关信息:
1. 棋盘尺寸为7*9横向
2. 按照以下命名格式对棋盘中的棋子进行标注:
(b|r)(1|2|3|4|5|6|7)
3. 左方为蓝方对应的网络服务器中的side项目编号为0
右方为红方对应的网络服务器中的side项目编号为1
4. 网络版需要额外的类变量type, game_id, side, chessman(piece), src, dst
'''
self.board = [
['00','00','b7','00','00','00','r1','00','00'],
['00','b2','00','00','00','00','00','r3','00'],
['00','00','b4','00','00','00','r5','00','00'],
['00','00','b6','00','00','00','r6','00','00'],
['00','00','b5','00','00','00','r4','00','00'],
['00','b3','00','00','00','00','00','r2','00'],
['00','00','b1','00','00','00','r7','00','00'],
]
#用数字1-7代替棋子的强弱关系
self.moveFunctions = {
"1": self.getMseMoves,
"2": self.getEagMoves,
"3": self.getFoxMoves,
"4": self.getStdMoves,
"5": self.getStdMoves,
"6": self.getLionMoves,
"7": self.getStdMoves,
}
self.blue_trap_loc=[(2,0),(3,1),(4,0)]
self.red_trap_loc=[(3,7),(2,8),(4,8)]
self.blue_home=(3,0)
self.red_home=(3,8)
self.blue_pieces=[7,6,5,4,3,2,1]
self.red_pieces=[7,6,5,4,3,2,1]
#红方(右)先行
self.red_to_move=True
self.conquered=False
self.win_person=''
self.MASSACRE=False
self.isStarted = False
self.move_log = []
def color(self):
return 'r' if self.red_to_move else 'b'
def exchange(self):
self.red_to_move = not self.red_to_move
def seventy_three_violation(self, goal, color, showTrace = False):
#输入goal为三元组(格坐标x格坐标y棋子)
# color为颜色
# showTrace为是否查看轨迹
past7Moves = []
#寻找该动物的移动轨迹
for i in range(len(self.move_log)-1, -1, -1):
if self.move_log[i].get_turn() == color:
past7Moves.append(self.move_log[i])
if len(past7Moves) > 7:
break
# print("past7Moves= ",[move.get_goal_chess_comb() for move in past7Moves])
if len(past7Moves) > 7:
past7Moves = past7Moves[-7:]
visit_counts = dict()
for move in past7Moves:
if move.get_goal() in (self.blue_trap_loc + self.red_trap_loc):
return True
try:
visit_counts[move.get_goal_chess_comb()] += 1
except KeyError:
visit_counts[move.get_goal_chess_comb()] = 1
try:
if visit_counts[goal] >= 3:
if showTrace:
return (goal, [move.get_goal() for move in past7Moves])
else:
return False
else:
return True
except:
return True
def seventeen_five_violation(self, goal, color, showTrace = False):
# 输入goal为三元组(格坐标x格坐标y棋子)
# color为颜色
# showTrace为是否查看轨迹
#获取近17步操作
RECENT_COUNT = 17
PERMIT_RANGE = 5
# print("using params: {}, {}, {}".format(goal, color, showTrace))
past17Moves = []
for i in range(len(self.move_log) - 1, -1, -1):
if self.move_log[i].get_turn() == color:
past17Moves.append(self.move_log[i])
if len(past17Moves) > RECENT_COUNT:
break
if len(past17Moves) >= RECENT_COUNT:
past17Moves = past17Moves[-RECENT_COUNT:]
else:
return True
#print("past17Movesloc: {}".format([move.get_goal() for move in past17Moves]))
#判断是否为同一棋子的移动
piece = past17Moves[0].get_piece()
for i in range(len(past17Moves)):
if past17Moves[i].get_piece() != piece:
return True
#当为同一棋子时……
visit_locs = []
for move in past17Moves:
if move.get_goal() in (self.blue_trap_loc + self.red_trap_loc):
return True
this_loc = move.get_goal()
if this_loc not in visit_locs:
visit_locs.append(this_loc)
try:
if showTrace and len(visit_locs) <= PERMIT_RANGE:
if goal in visit_locs:
return (goal,visit_locs)
else:
return True
elif len(visit_locs)<=PERMIT_RANGE:
if goal in visit_locs:
return False
else:
return True
else:
return True
except:
return True
# 判断特殊位置
def inHome(self,row,col,color):
if color=="b":
if (row,col)==self.blue_home:
return True
else:
if (row,col)==self.red_home:
return True
return False
def inWater(self,row,col):
if row in [1,2,4,5]:
if col in [3,4,5]:
return True
return False
def inTrap(self,row,col,color): #是否在color方的陷阱中
if color=="b":
if (row,col) in self.blue_trap_loc:
return True
else:
if (row,col) in self.red_trap_loc:
return True
return False
def Eliminate(self,row,col,nxt_row,nxt_col):#下一步可吃对手的棋
next_blank = self.board[nxt_row][nxt_col] == '00'
attack = self.board[nxt_row][nxt_col][0] != self.board[row][col][0] and (eval(self.board[row][col][1]) >= eval(self.board[nxt_row][nxt_col][1]) and not (eval(self.board[row][col][1]) == 7 and eval(self.board[nxt_row][nxt_col][1]) == 1 ) or eval(self.board[row][col][1])==1 and eval(self.board[nxt_row][nxt_col][1])==7)
other_in_trap = self.board[row][col][0] != self.board[nxt_row][nxt_col][0] and (self.board[nxt_row][nxt_col][0] == 'r' and self.inTrap(nxt_row,nxt_col,'b') or self.board[nxt_row][nxt_col][0] == 'b' and self.inTrap(nxt_row,nxt_col,'r'))
return next_blank or attack or other_in_trap
# 定义移动方式
#----------------------------------
# 以下为移动方式的相关规定:
# 1.下一步的可行位置以二维数组的格式进行记录。
# 2.getValidMoves返回值为下一步可行位置构成的集合。
#----------------------------------
def getAllMoves(self): #全部合法移动的集合
moves=[]
for row in range(len(self.board)):
for col in range(len(self.board[row])):
player = self.board[row][col][0]
if (player == 'r' and self.red_to_move or player == 'b' and not self.red_to_move):
#print('what color is the valid move? ',player)
self.moveFunctions[self.board[row][col][1]](row,col,moves)
valid_moves = []
for move in moves: # 己方躲避17-5和7-3
if self.seventy_three_violation(goal=move.get_goal_chess_comb(), color=self.color()) and self.seventeen_five_violation(goal=move.get_goal_chess_comb(), color=self.color()):
valid_moves.append(move)
if len(valid_moves) == 0:
print('warning: no available moves at side {}'.format('b' if not self.red_to_move else 'r'))
return valid_moves
def getStdMoves(self,row,col,moves):#输入当前的位置将可行路径输出给moves
directions = [(1,0),(0,1),(-1,0),(0,-1)]
enemy_color = 'b' if self.red_to_move else 'r'
for direction in directions:
new_row = row + direction[0]*1
new_col = col + direction[1]*1
if 0<=new_row<=6 and 0<=new_col<=8 :
nxt_piece = self.board[new_row][new_col]
if nxt_piece == '00' and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()):#如果下一个位置是空的,则可以移动
moves.append(Move((row,col),(new_row,new_col),self.board))
elif nxt_piece[0]==enemy_color and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()) and self.Eliminate(row,col,new_row,new_col):#如果是敌方棋子,且不在水里,且可以消除,则添加到可行路径中
moves.append(Move((row,col),(new_row,new_col),self.board))
return moves
def getMseMoves(self,row,col,moves):
directions = [(1,0),(0,1),(-1,0),(0,-1)]
enemy_color = 'b' if self.red_to_move else 'r'
for direction in directions:
new_row = row + direction[0]*1
new_col = col + direction[1]*1
if 0<=new_row<=6 and 0<=new_col<=8 :
nxt_piece = self.board[new_row][new_col]
if self.inHome(new_row,new_col,self.color()): continue
if nxt_piece == '00':
moves.append(Move((row,col),(new_row,new_col),self.board))
elif nxt_piece[0]==enemy_color and self.Eliminate(row,col,new_row,new_col) and not self.inWater(row,col):
moves.append(Move((row,col),(new_row,new_col),self.board))
return moves
def getEagMoves(self,row,col,moves):
#可能存在一些问题,主要是移动方式的判断以及在陷阱的判断
enemy_color = 'b' if self.red_to_move else 'r'
new_row = row
new_col = col
#U&D direction
while new_row >= 0:
nxt_piece = self.board[new_row][col]
if nxt_piece == '00' and not self.inTrap(new_row,col,enemy_color) and not self.inTrap(new_row,col,'r' if enemy_color == 'b' else 'b'):
if not self.inHome(new_row,col,self.color()) and not self.inWater(new_row,col): moves.append(Move((row,col),(new_row,col),self.board))
else:
if self.Eliminate(row,col,new_row,col) and not self.inWater(new_row,col): moves.append(Move((row,col),(new_row,col),self.board))
if new_row != row: break
new_row -= 1
new_row = row
while new_row <= 6:
nxt_piece = self.board[new_row][col]
if nxt_piece == '00' and not self.inTrap(new_row,new_col,enemy_color) and not self.inTrap(new_row,col,'r' if enemy_color == 'b' else 'b'):
if not self.inHome(new_row,col,self.color()) and not self.inWater(new_row,col): moves.append(Move((row,col),(new_row,col),self.board))
else:
if self.Eliminate(row,col,new_row,col) and not self.inWater(new_row,col): moves.append(Move((row,col),(new_row,col),self.board))
if new_row != row: break
new_row += 1
#L&R Direction
while new_col >= 0:
nxt_piece = self.board[row][new_col]
if nxt_piece == '00' and not self.inTrap(row,new_col,enemy_color) and not self.inTrap(new_row,col,'r' if enemy_color == 'b' else 'b'):
if not self.inHome(row,new_col,self.color()) and not self.inWater(row,new_col): moves.append(Move((row,col),(row,new_col),self.board))
else:
if self.Eliminate(row,col,row,new_col) and not self.inWater(row,new_col): moves.append(Move((row,col),(row,new_col),self.board))
if new_col != col: break
new_col -= 1
new_col = col
while new_col <= 8:
nxt_piece = self.board[row][new_col]
if nxt_piece == '00' and not self.inTrap(row,new_col,enemy_color) and not self.inTrap(new_row,col,'r' if enemy_color == 'b' else 'b'):
if not self.inHome(row,new_col,self.color()) and not self.inWater(row,new_col): moves.append(Move((row,col),(row,new_col),self.board))
else:
if self.Eliminate(row,col,row,new_col) and not self.inWater(row,new_col): moves.append(Move((row,col),(row,new_col),self.board))
if new_col != col: break
new_col += 1
return moves
def getFoxMoves(self,row,col,moves):
directions = [(1,0),(0,1),(-1,0),(0,-1),(1,1),(1,-1),(-1,1),(-1,-1)]
enemy_color = 'b' if self.red_to_move else 'r'
for direction in directions:
new_row = row + direction[0]*1
new_col = col + direction[1]*1
if 0<=new_row<=6 and 0<=new_col<=8 :
nxt_piece = self.board[new_row][new_col]
if nxt_piece == '00' and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()):#如果下一个位置是空的,则可以移动
moves.append(Move((row,col),(new_row,new_col),self.board))
elif nxt_piece[0]==enemy_color and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()) and self.Eliminate(row,col,new_row,new_col):#如果是敌方棋子,且不在水里,且可以消除,则添加到可行路径中
moves.append(Move((row,col),(new_row,new_col),self.board))
return moves
def getLionMoves(self,row,col,moves):
directions = [(1,0),(0,1),(-1,0),(0,-1)]
enemy_color = 'b' if self.red_to_move else 'r'
for direction in directions:
new_row = row + direction[0]*1
new_col = col + direction[1]*1
if 0<=new_row<=6 and 0<=new_col<=8 :
nxt_piece = self.board[new_row][new_col]
if nxt_piece == '00' and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()):#如果下一个位置是空的,则可以移动
moves.append(Move((row,col),(new_row,new_col),self.board))
elif nxt_piece[0]==enemy_color and not self.inWater(new_row,new_col) and not self.inHome(new_row,new_col,self.color()) and self.Eliminate(row,col,new_row,new_col):#如果是敌方棋子,且不在水里,且可以消除,则添加到可行路径中
moves.append(Move((row,col),(new_row,new_col),self.board))
jump_vert_loc=[(0,3),(0,4),(0,5),(3,3),(3,4),(3,5),(6,3),(6,4),(6,5)]
jump_hori_loc=[(1,2),(1,6),(2,2),(2,6),(4,2),(4,6),(5,2),(5,6)]
enemy_mouse = enemy_color + '1'
if (row,col) in jump_vert_loc:
if row == 0:
if self.board[1][col] != enemy_mouse and self.board[2][col] != enemy_mouse:
if self.Eliminate(row,col,3,col): moves.append(Move((row,col),(3,col),self.board))
elif row == 3:
if self.board[1][col] != enemy_mouse and self.board[2][col] != enemy_mouse:
if self.Eliminate(row,col,0,col): moves.append(Move((row,col),(0,col),self.board))
if self.board[4][col] != enemy_mouse and self.board[5][col] != enemy_mouse:
if self.Eliminate(row,col,6,col): moves.append(Move((row,col),(6,col),self.board))
elif row == 6:
if self.board[4][col] != enemy_mouse and self.board[5][col] != enemy_mouse:
if self.Eliminate(row,col,3,col): moves.append(Move((row,col),(3,col),self.board))
elif (row,col) in jump_hori_loc:
if col == 2:
lea = True
for i in range(3,6):
if self.board[row][i] == enemy_mouse: lea = False
if lea and self.Eliminate(row,col,row,6): moves.append(Move((row,col),(row,6),self.board))
elif col == 6:
lea = True
for i in range(3,6):
if self.board[row][i] == enemy_mouse: lea = False
if lea and self.Eliminate(row,col,row,2): moves.append(Move((row,col),(row,2),self.board))
return moves
# 判断是否胜利
def conquer(self):
if self.board[3][0][0] == 'r' or self.board[3][8][0] == 'b':
self.conquered = True
if self.board[3][0][0] == 'r':
self.win_person = 'r'
else: self.win_person = 'b'
elif len(self.blue_pieces) == 0:
self.conquered = True
self.win_person = 'r'
elif len(self.red_pieces) == 0:
self.conquered = True
self.win_person = 'b'
elif len(self.getAllMoves()) == 0:
self.conquered = True
self.win_person = 'r' if self.color() == 'b' else 'b'
return self.conquered
#移动操作
def makeMove(self,move):#cur是当前位置nxt是下一个位置,参数传入为元组
# makeMove假设这个move一定是合法的
# 为什么添加toUpload防止使用makeMove更新己方棋盘时把敌方棋盘错误上传导致“棋子消失”。
if self.board[move.end_row][move.end_col] != '00':
nxt_piece = self.board[move.end_row][move.end_col]
if nxt_piece[0] == 'r':
self.red_pieces.remove(int(nxt_piece[1]))
else:
self.blue_pieces.remove(int(nxt_piece[1]))
self.board[move.end_row][move.end_col] = self.board[move.start_row][move.start_col]
self.board[move.start_row][move.start_col] = '00'
self.red_to_move = not self.red_to_move
self.move_log.append(move)
#由于使用多线程考虑让另一个线程去更新red_to_move
def undoMove(self):
if len(self.move_log) != 0:
move = self.move_log.pop()
self.board[move.start_row][move.start_col] = move.cur_piece
self.board[move.end_row][move.end_col] = move.nxt_piece
if move.nxt_piece != '00' and move.nxt_piece not in (self.blue_pieces if move.nxt_piece[0]=='b' else self.red_pieces):
(self.blue_pieces if move.nxt_piece[0]=='b' else self.red_pieces).append(int(move.nxt_piece[1]))
self.red_to_move = not self.red_to_move