processing submitted commands on the server side and dealing new cards when commands have been submitted

app.py

@@ -1,12 +1,44 @@
 from flask import Flask, render_template, request, session
 import random
+import time
 
 app = Flask(__name__)
 app.secret_key = b'RoboRallyRolling'
 
 random.seed(0)
 
-moves = ['forward', 'backward', 'turn left', 'turn right', 'turn around']
+moves = ['forward', 'forward x2', 'forward x3', 'backward', 'turn left', 'turn right', 'turn around']
+
+class Game:
+    def __init__(self):
+        self.action_stack = {}
+        self.processing_done = False
+
+    def ready(self):
+        # have all players chosen an action?
+        return len(self.action_stack.keys()) == Player.player_counter
+
+    def register_actions(self, player_id, actions):
+        if not player_id in self.action_stack.keys():
+            self.action_stack[player_id] = actions
+            self.processing_done = False
+            return True
+        else:
+            print("actions already chosen!")
+            return False
+
+    def process_actions(self):
+        # send commands to the robots in the order of priority
+        for i in range(5):
+            current_actions = []
+            for p in self.action_stack.keys():
+                current_actions += [(p, self.action_stack[p][i])]
+            print("actions in step {}: {}".format(i, ["robot {} action {}".format(c[0], c[1]) for c in current_actions]))
+
+        # clear the action stack for the next round
+        self.action_stack = {}
+
+        self.processing_done = True
 
 class Card:
     card_counter = 0
@@ -23,47 +55,96 @@ card_deck = {}
 for i in range(0,20):
     card_deck[i] = Card()
 
-player_counter = 0
+class Player:
-MAX_PLAYERS = 3
+    MAX_PLAYERS = 3
-player_hand = {}
+    player_counter = 0
+    def __init__(self):
+        if Player.player_counter < Player.MAX_PLAYERS:
+            self.id = Player.player_counter
+            Player.player_counter += 1
+
+            self.max_cards = 9
+
+            self.player_hand = random.sample(list(card_deck.values()), self.max_cards)
+            print("current hand: ", [str(c) for c in self.player_hand])
+
+            self.action_count = 5
+
+
+            self.action_chosen = False
+
+        else:
+            print("max players reached!")
+
+
+    def draw_new_cards(self):
+        self.player_hand += random.sample(list(card_deck.values()), self.max_cards - len(self.player_hand))
+
+players = {}
+game = Game()
+
+
+@app.route('/send_cmds', methods=['POST', 'GET'])
+def send_cmds():
+    if request.method == 'POST':
+        # POST is used for submitting commands
+        player_id = session['player_id']
+        p = players[player_id]
+
+        if game.register_actions(p.id, p.player_hand[0:p.action_count]):
+            p.player_hand = p.player_hand[p.action_count:]  # discard used cards
+            p.draw_new_cards()
+
+        if game.ready():
+            game.process_actions()
+
+            return 'OK'
+        else:
+            return 'please wait'
+    elif request.method == 'GET':
+        # GET is used when we have to wait for other players to finish
+        while not game.processing_done: # wait for other players to choose commands and processing to finish
+            pass
+
+        return 'OK'
 
 @app.route('/', methods=['GET', 'POST'])
 def hello_world():
-    global player_counter
     if not 'player_id' in session:
-        if player_counter < MAX_PLAYERS:
+        if Player.player_counter < Player.MAX_PLAYERS:
             # new player
-            session['player_id'] = player_counter
+            p = Player()
-            player_counter += 1
+            session['player_id'] = p.id
-
+            players[p.id] = p
-            # give him some cards
-            player_hand[session['player_id']] = random.sample(list(card_deck.values()), 9)
-            print("current hand: ", [str(c) for c in player_hand[session['player_id']]])
-
         else:
             return "Sorry, maximum number of players reached!"
 
     player_id = session['player_id']
+    player_hand = players[player_id].player_hand
     if request.method == 'GET':
-        return render_template('drag_example.html', cmds=player_hand[player_id], player_id=player_id)
+        return render_template('drag_example.html', cmds=player_hand, player_id=player_id)
     elif request.method == 'POST':
-        print(request.form)
+        #print(request.form)
 
-        # swap cards in the current hand
+        if request.form.get('drag') and request.form.get('drop'):
-        i1 = int(request.form.get('drag'))  # number of first card
-        i2 = int(request.form.get('drop'))  # number of second card
 
-        card1 = card_deck[i1]   # get card by number
+            # swap cards in the current hand
-        card2 = card_deck[i2]
+            i1 = int(request.form.get('drag'))  # number of first card
+            i2 = int(request.form.get('drop'))  # number of second card
 
-        j1 = player_hand[player_id].index(card1)   # get index of card in the hand
+            card1 = card_deck[i1]   # get card by number
-        j2 = player_hand[player_id].index(card2)
+            card2 = card_deck[i2]
 
-        player_hand[player_id][j1], player_hand[player_id][j2] = player_hand[player_id][j2], player_hand[player_id][j1]     # swap the cards in the list
+            j1 = player_hand.index(card1)   # get index of card in the hand
+            j2 = player_hand.index(card2)
 
-        print("current hand: ", [str(c) for c in player_hand[player_id]])
+            player_hand[j1], player_hand[j2] = player_hand[j2], player_hand[j1]     # swap the cards in the list
 
-        return 'OK'
+            #print("current hand: ", [str(c) for c in player_hand[player_id]])
+
+            return 'OK'
+        else:
+            return render_template('drag_example.html', cmds=player_hand, player_id=player_id)
 
 
 

static/style.css

@@ -27,3 +27,5 @@
 .card6 { left: 150px; top: 120px; background-color: #34495E; }
 .card7 { left: 250px; top: 120px; background-color: #FF00FF; }
 .card8 { left: 350px; top: 120px; background-color: #008080; }
+
+.card_hidden { background-color: #dddddd; }

templates/drag_example.html

@@ -28,7 +28,7 @@
 
 </div><!-- container -->
 
-<input id="btnSubmit" type="submit" value="Click Me" />
+<input id="btnSubmit" type="submit" value="Befehle abschicken" />
 
 
 <div class="container notification" hidden>
@@ -45,20 +45,27 @@
 
     $("#btnSubmit").click(function () {
            //alert("button");
-            for (i = 0; i < 5; i++) {
+            for (i = 0; i < 9; i++) {
                 var c = document.getElementsByClassName("box card" + String(i));
-                $(c).hide();
+                if (c[0].offsetTop === 0) {
+                    $(c).hide();
+                }
             }
 
             $(please_wait).show();
 
             $.post("/send_cmds", "", function (data) {
                 console.log(data);
-                $(please_wait).hide();
+                if (data === 'OK') {
-
+                    location.reload();  // reload page to get new cards for next round
-                for (i = 0; i < 5; i++) {
+                }
-                    var c = document.getElementsByClassName("box card" + String(i));
+                else {
-                    $(c).show();
+                    console.log('waiting...')
+                    $.get("/send_cmds", "", function (data) {
+                         if (data === 'OK') {
+                            location.reload();  // reload page to get new cards for next round
+                        }
+                    })
                 }
             });