9/15TZY

下午进度

.vscode/launch.json

@@ -18,7 +18,7 @@
             "type": "python",
             "request": "launch",
             "program": "${workspaceFolder}/network/server.py",
-            "cwd": "${fileDirname}",
+            "cwd": "${workspaceFolder}/network/",
             "console": "integratedTerminal",
             "justMyCode": true
         },

SafariChess_Gamev1.0.py

@@ -34,21 +34,12 @@ SIZE = 64
 IMAGES = {}
 bias_top = 100 #棋盘的上边距
 bias_left = 100 #棋盘的左边距
-#multithreading?
-def startNewThread(target):
-    thread = Thread(target=target)
-    thread.daemon = True
-    thread.start()
+
 #网络版更新需要注意多线程的问题？
 #尝试写一个函数分配一个新线程供监听
 
 #等待敌人移动
-def updateForEnemy(network: backend.Network,game_state: backend.GameState):
-    print("waiting for the other player to move...")
-    otherMove = game_state.dnldmv_server()
-    if otherMove is not None:
-        game_state.makeMove(otherMove)
-    
+
 def loadImages():#加载图片,a,b双方分别有象狮豹狼狐鹰鼠七个角色
     pieces = ["r7", "r6", "r5", "r4", "r3", "r2", "r1",
               "b7", "b6", "b5", "b4", "b3", "b2", "b1",
@@ -251,7 +242,8 @@ def main(mode,p1,p2,network = None):
     NewPlayerMessage = '' #来自对手的信息
     if mode == 2:
         network=backend.Network()
-        player1 = input("Enter your name: ")
+        #p1 = input("Enter your name: ")
+        p1 = 'player1'
         myPlayerData = {
             'type': 0, # game state type ?
             'msg': {
@@ -262,7 +254,7 @@ def main(mode,p1,p2,network = None):
         print("Waiting for other player...")
         NewPlayerMessage = network.receive()
         print()
-        player2 = NewPlayerMessage['counterpart_name']
+        p2 = NewPlayerMessage['counterpart_name']
     pg.init()
     screen = pg.display.set_mode((BOARD_WIDTH + MOVE_LOG_PANEL_WIDTH, BOARD_HEIGHT))
     pg.display.set_caption("Safafi Chess Game")
@@ -361,18 +353,19 @@ def main(mode,p1,p2,network = None):
                 #设置某些按键用于悔棋，重新开始游戏，机器提示，退出游戏等功能
                     pass
             
+            #* 网络对战局面更新
+            #? 考虑将多线程状态更新指令写在backend中。
+            #? 但是考虑到ui刷新问题，故仍尝试在main中写
+            #ShowGameState(screen,game_state,valid_moves,square_selected)    
             if mademove:
-                valid_moves = game_state.getAllMoves()  
-                #mademove = False  
-                #* 网络对战局面更新
-                if network is not None:
-                    startNewThread(updateForEnemy(network,game_state))
-            ShowGameState(screen,game_state,valid_moves,square_selected)    
-                    
+                mademove = False
+            game_state.updateEnemy()#思路变成：定时对敌方进行扫描，若收到更新相关包则进行局面更新。
+            ShowGameState(screen,game_state,valid_moves,square_selected)      
             if game_state.conquer():
                 showGameOverText(screen,"player "+game_state.win_person+" wins")
                 game_over = True
             clock.tick(60)
+            
             pg.display.flip()
 
 if __name__ == '__main__':

SafariChess_backend.py

@@ -1,7 +1,15 @@
-import socket 
+import socket
+import this 
 import requests
 import sys
 import json
+from threading import Thread
+#multithreading?
+def startNewThread(target):
+    thread = Thread(target=target)
+    thread.daemon = True
+    thread.start()
+    
 class Network:
     def __init__(self):
         self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
@@ -28,6 +36,7 @@ class Network:
                 packet = packet.encode('utf-8')
             #return self.client.recv(2048).encode()
             self.client.send(packet)
+            print("send complete")
         except socket.error as e:
             print(e)
     
@@ -38,8 +47,9 @@ class Network:
     
     def receive(self):
         try:
-            msg = json.loads(self.client.recv(2048))
-            print(msg)
+            recvMsg = self.client.recv(2048).decode('utf-8')
+            msg = json.loads(recvMsg)
+            print('receiver got: ', msg)
             return msg
         except socket.error as e:
             print(e)
@@ -100,6 +110,7 @@ class GameState:
         self.isNet = isNet
         self.game_id = game_id
         self.red_to_move=MySide
+        self.MySide = MySide
         self.client = client
         self.conquered=False
         self.win_person=''
@@ -107,6 +118,8 @@ class GameState:
         
     def color(self):
         return 'r' if self.red_to_move else 'b'
+    def exchange(self):
+        self.red_to_move = not self.red_to_move
     #网络版相关组件
     def upldmv_server(self,move):
         thisMove = {
@@ -126,11 +139,19 @@ class GameState:
             }
         }
         self.client.send(thisMove)
-    def dnldmv_server(self):
+    def __updateOther__(self):#! 注意：考虑使用多线程执行该函数。
+        #print('waiting 4 other player 2 act...')
         thisMovejson = self.client.receive()
-        thisMove = Move([thisMovejson['src']['x'],thisMovejson['src']['y']],[thisMovejson['dst']['x'],thisMovejson['dst']['y']],self.board)
-        return thisMove
+        if not thisMovejson or thisMovejson['side'] == int(self.MySide):
+            return
+        print('passing checkpoint')
+        if 'chessman' in thisMovejson.keys(): #正常移动过程
+            thisMove = Move([thisMovejson['src']['x'],thisMovejson['src']['y']],[thisMovejson['dst']['x'],thisMovejson['dst']['y']],self.board)
+            self.makeMove(thisMove,toUpload=False)
+        self.exchange()
         
+    def updateEnemy(self):
+        startNewThread(self.__updateOther__)#测试多线程更新……    
     # 判断特殊位置
     def inHome(self,row,col,color):
         if color=="b":
@@ -326,8 +347,9 @@ class GameState:
         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
+    def makeMove(self,move,toUpload = True):#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':
@@ -336,9 +358,10 @@ class GameState:
                 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'
-        if not self.isNet: self.red_to_move = not self.red_to_move
-        else:
-            #直接在这里完成两步实现看起来不可行……
-            #因为界面更新在main中
+        self.red_to_move = not self.red_to_move
+        #由于使用多线程，考虑让另一个线程去更新red_to_move
+        if self.isNet and toUpload:
+            #因为界面更新在main中，考虑在main中执行相关指令。
             self.upldmv_server(move)
             
+