commit 9825def2536f50708ca3e21d126a832dbef72095
Author: Simeon Keske <s.keske@posteo.de>
Date:   Wed Aug 7 21:49:40 2019 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ee1675f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.fiar
+__pycache__
diff --git a/PvN.py b/PvN.py
new file mode 100644
index 0000000..3e82e33
--- /dev/null
+++ b/PvN.py
@@ -0,0 +1,43 @@
+import fiar
+import nn
+import lib
+
+game = fiar.FIAR();
+nn = lib.loadSingle(0)
+
+def declareWinner():
+    game.printField();
+    print("And the winner is P", game.proveWinner(), "!")
+
+def isnumber(val):
+    try:
+        val = int(val)
+        return True
+    except ValueError:
+        return False
+
+
+while True:
+    game.printField();
+
+    player_input = input("P1, where do you put your stone? ")
+
+    while not (isnumber(player_input) and 7 >= int(player_input) >= 1):
+        player_input = input("P1, your input has to be a number between 1 and 7! New input: ")
+
+    try:
+        game.setStone(int(player_input)-1, 1)
+    except OverflowError:
+        print("This Column is already full, maybe try again next time...")
+
+    if(game.proveWinner()):
+        declareWinner()
+        break
+
+    # --------------- #
+
+    game = lib.nextNNmove(nn, game, 2);
+
+    if(game.proveWinner()):
+        declareWinner()
+        break
diff --git a/PvP.py b/PvP.py
new file mode 100644
index 0000000..4420bc4
--- /dev/null
+++ b/PvP.py
@@ -0,0 +1,51 @@
+import fiar
+
+game = fiar.FIAR();
+
+def declareWinner():
+    game.printField();
+    print("And the winner is P", game.proveWinner(), "!")
+
+
+def isnumber(val):
+    try:
+        val = int(val)
+        return True
+    except ValueError:
+        return False
+
+
+while True:
+    game.printField();
+
+    player_input = input("P1, where do you put your stone? ")
+
+    while not (isnumber(player_input) and 7 >= int(player_input) >= 1):
+        player_input = input("P1, your input has to be a number between 1 and 7! New input: ")
+
+    try:
+        game.setStone(int(player_input)-1, 1);
+    except OverflowError:
+        print("This Column is already full, maybe try again next time...")
+
+    if(game.proveWinner()):
+        declareWinner()
+        break
+
+    # --------------- #
+
+    game.printField();
+
+    player_input = input("P2, where do you put your stone? ")
+
+    while not (isnumber(player_input) and 7 >= int(player_input) >= 1):
+        player_input = input("P2, your input has to be a number between 1 and 7! New input: ")
+
+    try:
+        game.setStone(int(player_input)-1, 2);
+    except OverflowError:
+        print("This Column is already full, maybe try again next time...")
+
+    if(game.proveWinner()):
+        declareWinner()
+        break
diff --git a/fiar.py b/fiar.py
new file mode 100644
index 0000000..2d72d8c
--- /dev/null
+++ b/fiar.py
@@ -0,0 +1,121 @@
+class FIAR():
+    def __init__(self, height=6, width=7):
+        self.height = height # y
+        self.width = width   # x
+        self.field = []
+        # field[x][y]
+        for x in range(width):
+            col = []
+            for y in range(height):
+                col.append(None)
+            self.field.append(col)
+
+    def getTransformedField(self):
+        output = []
+        for col in self.field:
+            output += col
+        return output
+
+    def printField(self):
+        redBG = "\33[41m"
+        greenBG = "\33[42m"
+        clearBG = "\33[0m"
+        dashes = (self.width * 2)+1
+        print("-" * dashes)
+        for y in range(self.height, -1, -1):
+            for x in range(self.width):
+                if y == self.height:
+                    print("|" + str(x+1), end='')
+                elif self.field[x][y] == 1:
+                    print("|" + redBG + "x" + clearBG, end='')
+                elif self.field[x][y] == 2:
+                    print("|" + greenBG+"o" + clearBG, end='')
+                else:
+                    print("|" + " ", end='')
+            print("|")
+        print("-" * dashes)
+
+    def setStone(self, col, player):
+        if(col in list(range(self.width))):
+            has_set = False
+            for i in range(self.height):
+                if self.field[col][i] == None:
+                    self.field[col][i] = player
+                    has_set = True
+                    break
+            if not has_set:
+                raise OverflowError
+        else:
+            raise IndexError
+
+    def proveWinner(self):
+        # Tie:
+        tie = True
+        for x in range(self.width):
+            if(self.field[x][self.height-1] == None):
+                tie = False
+                break
+        if tie:
+            return 3
+
+        # Horizontal:
+        for y in range(self.height):
+            for x in range(self.width-3):
+                if self.field[x][y] != None:
+                    first = self.field[x][y]
+                    isWinner = True
+
+                    for i in range(1, 4):
+                        if self.field[x+i][y] != first:
+                            isWinner = False
+                            break
+
+                    if isWinner:
+                        return first
+
+        # Vertical:
+        for x in range(self.width):
+            for y in range(self.height-3):
+                if self.field[x][y] != None:
+                    first = self.field[x][y]
+                    isWinner = True
+
+                    for i in range(1, 4):
+                        if self.field[x][y+i] != first:
+                            isWinner = False
+                            break
+
+                    if isWinner:
+                        return first
+
+        # Diagonal Up:
+        for x in range(self.width-3):
+            for y in range(self.height-3):
+                if self.field[x][y] != None:
+                    first = self.field[x][y]
+                    isWinner = True
+
+                    for i in range(1, 4):
+                        if self.field[x+i][y+i] != first:
+                            isWinner = False
+                            break
+
+                    if isWinner:
+                        return first
+
+        # Diagonal Down:
+        for x in range(3, self.width):
+            for y in range(self.height-3):
+                if self.field[x][y] != None:
+                    first = self.field[x][y]
+                    isWinner = True
+
+                    for i in range(1, 4):
+                        if self.field[x-i][y+i] != first:
+                            isWinner = False
+                            break
+
+                    if isWinner:
+                        return first
+
+        return False
diff --git a/lib.py b/lib.py
new file mode 100644
index 0000000..411c976
--- /dev/null
+++ b/lib.py
@@ -0,0 +1,58 @@
+import nn
+import pickle
+
+networks_filename = "networks.fiar"
+
+def nextNNmove(network, game, player):
+    flatfield = game.getTransformedField()
+    player1 = []
+    player2 = []
+    for spot in flatfield:
+        if spot == 1:
+            player1.append(1)
+            player2.append(0)
+        elif spot == 2:
+            player1.append(0)
+            player2.append(1)
+        else:
+            player1.append(0)
+            player2.append(0)
+
+    out = network.calculateOutput(player1+player2)
+    preferences = []
+    for i in range(len(out)):
+        maxI = 0
+        maxVal = -20
+        for j in range(len(out)):
+            if out[j] > maxVal:
+                maxVal = out[j]
+                maxI = j
+        out[maxI] = -20
+        preferences.append(maxI)
+
+    for val in preferences:
+        try:
+            game.setStone(val, player)
+        except OverflowError:
+            pass
+        else:
+            break
+    return game
+
+def createAndSave(num):
+    nets = []
+    for i in range(num):
+        nets.append(nn.NN(84, 168, 168, 84, 84, 42, 7))
+    saveAll(nets)
+
+def saveAll(nets):
+    with open(networks_filename, 'wb') as networks_file:
+        pickle.dump(nets, networks_file)
+
+def loadAll():
+    with open(networks_filename, 'rb') as networks_file:
+        nets = pickle.load(networks_file)
+    return nets
+
+def loadSingle(num):
+    return loadAll()[num]
diff --git a/nn.py b/nn.py
new file mode 100644
index 0000000..91e5705
--- /dev/null
+++ b/nn.py
@@ -0,0 +1,40 @@
+import numpy as np
+
+class NN():
+    score = 0
+
+    def __init__(self, *args):
+        self.layers = args
+        self.synapses = []
+        for i in range(len(self.layers)-1):
+            self.synapses.append(np.random.normal(scale=1,size=(self.layers[i], self.layers[i+1])))
+
+    def calculateOutput(self, input):
+        layerInput = input
+
+        for synapseLayer in self.synapses:
+            layerInput = np.dot(layerInput, synapseLayer)
+            layerInput = self.sigmoid(layerInput)
+
+        return layerInput
+
+    def sigmoid(self, s):
+        #print("Arr:", arr)
+        #s = np.array(arr)
+        # activation function
+        res = 1 / (1 + np.exp(-s))
+        #print("Res:", res)
+        return res
+
+    def getSynapses(self):
+        return self.synapses
+
+    def setSynapses(self, synapses):
+        self.synapses = synapses
+
+    def mutate(self, val):
+        mut_arr = []
+        for i in range(len(self.layers)-1):
+            mut_arr.append(np.random.normal(scale=val,size=(self.layers[i], self.layers[i+1])))
+        self.synapses = np.add(self.synapses, mut_arr)
+        return mut_arr
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..44f27a2
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+numpy
+pickle
diff --git a/training.py b/training.py
new file mode 100644
index 0000000..c91107c
--- /dev/null
+++ b/training.py
@@ -0,0 +1,63 @@
+import lib, fiar
+
+nets = lib.loadAll()
+gen = 0
+
+def NvN(net1, net2, printField=False):
+    game = fiar.FIAR();
+
+    while True:
+        game = lib.nextNNmove(net1, game, 1);
+        if(game.proveWinner()):
+            break
+        game = lib.nextNNmove(net2, game, 2);
+        if(game.proveWinner()):
+            break
+
+    if printField:
+        game.printField()
+        print(net1.synapses[0][0][0])
+        print()
+
+    return game.proveWinner()
+
+try:
+    while True:
+        gen += 1
+        print("Gen:", gen)
+
+        # Reset the nets' score:
+        for net in nets:
+            net.score = 0
+
+        # Let the nets play against each other:
+        for i in range(len(nets)):
+            for j in range(i+1, len(nets)):
+
+
+                winner = NvN(nets[i], nets[j], i==0 and j==1)
+                #print("Net1:",i,"Net2:",j)
+                #print("Winner:",winner)
+                if(winner == 1):
+                    nets[i].score += 1
+                if(winner == 2):
+                    nets[j].score += 1
+
+                winner = NvN(nets[j], nets[i])
+                #print("Net1:",i,"Net2:",j)
+                #print("Winner:",winner)
+                if(winner == 1):
+                    nets[i].score += 1
+                if(winner == 2):
+                    nets[j].score += 1
+
+        # Sort the nets by their score:
+        nets.sort(key=lambda x: x.score, reverse=True)
+        for i in range(int(len(nets)/3)):
+            nets[i+int(len(nets)/3)] = nets[i];
+            nets[i+int(len(nets)/3)].mutate(0.001);
+            nets[i+int(len(nets)/3*2)] = nets[i];
+            nets[i+int(len(nets)/3*2)].mutate(0.1);
+except KeyboardInterrupt:
+    print("Saving all Data...")
+    lib.saveAll(nets)