added shell support to simulator

Author: brigadinhos

README.md

@@ -34,4 +34,5 @@ For arduino:
 1.  - On Windows, get python 3 from [here]( https://www.python.org/downloads/) and **mark the option to add python 3 to PATH, on the installer**.
     - On GNU/Linux, run `sudo apt install python3 python3-pip`.
 2. For either system, after installing python run `sudo pip3 install pygame`.
-3. Run `python3 simulator.py` from the "server" folder, connect your program to port 53777 and go!
+3. Run `python3 simulator.py` from the "server" folder.
+4. In another terminal run the client with `python3 -m client -i shell`. This connects your program to port 53777 and you are ready to go!

client/input/shell.py

@@ -1,3 +1,44 @@
+from sys import stdin
+from msvcrt import getch
+
 class Shell:
     def __init__(self, input_queue):
-        pass
+        self.input_queue = input_queue
+        #self.bindings = ['Select', 'Start', 'Up', 'Down', 'Left', 'Right', 'A', 'B']
+        self.bindings = {'K': 'Select', 'L': 'Start', 'W': 'Up', 'S': 'Down', 'A': 'Left', 'D':'Right', 'I': 'A', 'O': 'B'}
+        
+        # no need to find the keyboard (i hope)
+
+        self.loop()
+
+    def read(self):
+        # with this function you have to press enter everytime you give an input
+        while True:
+            d = stdin.readline().rstrip().upper()   # this is not necessary because is a keyboard input, but why not?
+            if d and d in self.bindings:
+                #print("got: " + d)
+                return d[0], self.bindings[d[0]]
+
+    def read2(self):
+        # with this function you DONT have to press enter everytime you give an input
+        # just press and go! (but have the problem of exiting the program NEEDS FIX)
+        while True:
+            raw_d = getch()
+
+            if raw_d == b'\x03': # keyboard interruption 
+                exit()
+
+            d = raw_d.decode("utf-8").upper()
+            #print(d)
+            if d in self.bindings:
+                return d[0], self.bindings[d[0]]
+
+
+
+    def loop(self):
+        while True:
+            act, btn = self.read2()
+            #print("btn is: " + btn)
+            if act == 'R':
+                continue
+            self.input_queue.put(btn)