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Author: barrettkwise

extra/aiplayer.py

@@ -0,0 +1,97 @@
+import rpstournament
+import random
+
+#Your class must be called GamePlayer, and it must have these functions
+class GamePlayer:
+    #Give your AI a name. You can put your name in it or not, depending on whether you want to be anonymous.
+    #You can submit multiple AI's with different names for the tournament
+    name = "Barrett"
+    last3 = []
+    allchoices = ["rock", "paper", "scissors"]
+    losecount = 0
+    prev_user = ""
+
+    def get_win_choice(choice):
+        if choice == "rock" : return "paper"
+        if choice == "paper" : return "scissors"
+        else : return "rock"
+
+    def make_choice(self):
+        ##check patterns
+        if len(self.last3) == 3:
+            choice = self.check_for_patterns()
+            if choice != "no pattern":
+                self.prev_user = choice
+                return choice
+
+        ##if no patterns, go back to basic tactics
+        if self.losecount >= 3:
+            if self.losecount > 3:
+                self.losecount = 0
+
+            else:
+                return self.predictive_guess()
+
+        return self.probability_guess()
+        
+    def view_opponent_choice(self, opponent_choice):
+        ##count loses
+        if self.prev_user != "" and opponent_choice != self.prev_user:
+            if opponent_choice == "rock" and self.prev_user != "paper":
+                self.losecount += 1
+            elif opponent_choice == "paper" and self.prev_user != "scissors":
+                self.losecount += 1
+            elif opponent_choice == "scissors" and self.prev_user != "rock":
+                self.losecount += 1
+                
+        ##track opponents moves
+        self.allchoices.append(opponent_choice)
+        self.last3.append(opponent_choice)
+
+        ##update opponents moves as
+        ##more moves come in
+        if len(self.last3) > 3:
+            del self.last3[0]
+        
+    def check_for_patterns(self):
+        ##check all common patterns
+        if ["scissors", "scissors", "scissors"] == self.last3:
+            return "rock"
+        elif ["rock", "rock", "rock"] == self.last3:
+            return "paper"
+        elif ["paper", "paper", "paper"] == self.last3:
+            return "scissors"
+
+        else:
+            ##if not common, guess next move
+            ##in pattern cycle and find win move
+            if "rock" in self.last3 and "paper" in self.last3 and "scissors" in self.last3:
+                return GamePlayer.get_win_choice(self.last3[0])
+            
+        return "no pattern"
+
+    def predictive_guess(self):
+        ##pick move to force win or lose
+        new_choices = [i for i in self.allchoices if i != self.last3[0]]
+        self.prev_user = random.choice(new_choices)
+
+        return self.prev_user
+
+    def probability_guess(self):
+        ##pick random move from all of opp. choices
+        self.prev_user = random.choice(self.allchoices)
+
+        return self.prev_user
+        
+    def new_player(self):
+        self.losecount = 0
+        self.prev_user = ""
+        self.allchoices = ["rock", "paper", "scissors"]
+        self.last3.clear()
+        return
+
+##run against other bots
+tournament_manager = rpstournament.TournamentManager()
+example_game_player = GamePlayer()
+tournament_manager.run_tournament(example_game_player)
+