Make sure the board reflects the state BEFORE the move is made

[progcomp2013.git] / qchess / qchess.py

#!/usr/bin/python -u
import random

# I know using non-abreviated strings is inefficient, but this is python, who cares?
# Oh, yeah, this stores the number of pieces of each type in a normal chess game
piece_types = {"pawn" : 8, "bishop" : 2, "knight" : 2, "rook" : 2, "queen" : 1, "king" : 1, "unknown" : 0}

# Class to represent a quantum chess piece
class Piece():
        def __init__(self, colour, x, y, types):
                self.colour = colour # Colour (string) either "white" or "black"
                self.x = x # x coordinate (0 - 8), none of this fancy 'a', 'b' shit here
                self.y = y # y coordinate (0 - 8)
                self.types = types # List of possible types the piece can be (should just be two)
                self.current_type = "unknown" # Current type
                self.choice = -1 # Index of the current type in self.types (-1 = unknown type)
                self.types_revealed = [True, False] # Whether the types are known (by default the first type is always known at game start)
                

                # 
                self.last_state = None
                self.move_pattern = None

                

        def init_from_copy(self, c):
                self.colour = c.colour
                self.x = c.x
                self.y = c.y
                self.types = c.types[:]
                self.current_type = c.current_type
                self.choice = c.choice
                self.types_revealed = c.types_revealed[:]

                self.last_state = None
                self.move_pattern = None

        

        # Make a string for the piece (used for debug)
        def __str__(self):
                return str(self.colour) + " " + str(self.current_type) + " " + str(self.types) + " at " + str(self.x) + ","+str(self.y)  

        # Draw the piece in a pygame surface
        def draw(self, window, grid_sz = [80,80], style="quantum"):

                # First draw the image corresponding to self.current_type
                img = images[self.colour][self.current_type]
                rect = img.get_rect()
                if style == "classical":
                        offset = [-rect.width/2, -rect.height/2]
                else:
                        offset = [-rect.width/2,-3*rect.height/4] 
                window.blit(img, (self.x * grid_sz[0] + grid_sz[0]/2 + offset[0], self.y * grid_sz[1] + grid_sz[1]/2 + offset[1]))
                
                
                if style == "classical":
                        return

                # Draw the two possible types underneath the current_type image
                for i in range(len(self.types)):
                        if always_reveal_states == True or self.types_revealed[i] == True:
                                img = small_images[self.colour][self.types[i]]
                        else:
                                img = small_images[self.colour]["unknown"] # If the type hasn't been revealed, show a placeholder

                        
                        rect = img.get_rect()
                        offset = [-rect.width/2,-rect.height/2] 
                        
                        if i == 0:
                                target = (self.x * grid_sz[0] + grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])                             
                        else:
                                target = (self.x * grid_sz[0] + 4*grid_sz[0]/5 + offset[0], self.y * grid_sz[1] + 3*grid_sz[1]/4 + offset[1])                           
                                
                        window.blit(img, target) # Blit shit
        
        # Collapses the wave function!          
        def select(self):
                if self.current_type == "unknown":
                        self.choice = random.randint(0,1)
                        self.current_type = self.types[self.choice]
                        self.types_revealed[self.choice] = True
                return self.choice

        # Uncollapses (?) the wave function!
        def deselect(self):
                #print "Deselect called"
                if (self.x + self.y) % 2 != 0:
                        if (self.types[0] != self.types[1]) or (self.types_revealed[0] == False or self.types_revealed[1] == False):
                                self.current_type = "unknown"
                                self.choice = -1
                        else:
                                self.choice = 0 # Both the two types are the same

        # The sad moment when you realise that you do not understand anything about a subject you studied for 4 years...
# --- piece.py --- #
[w,h] = [8,8] # Width and height of board(s)

always_reveal_states = False

# Class to represent a quantum chess board
class Board():
        # Initialise; if master=True then the secondary piece types are assigned
        #       Otherwise, they are left as unknown
        #       So you can use this class in Agent programs, and fill in the types as they are revealed
        def __init__(self, style="agent"):
                self.style = style
                self.pieces = {"white" : [], "black" : []}
                self.grid = [[None] * w for _ in range(h)] # 2D List (you can get arrays in python, somehow, but they scare me)
                self.unrevealed_types = {"white" : piece_types.copy(), "black" : piece_types.copy()}
                self.king = {"white" : None, "black" : None} # We need to keep track of the king, because he is important
                for c in ["black", "white"]:
                        del self.unrevealed_types[c]["unknown"]

                if style == "empty":
                        return

                # Add all the pieces with known primary types
                for i in range(0, 2):
                        
                        s = ["black", "white"][i]
                        c = self.pieces[s]
                        y = [0, h-1][i]

                        c.append(Piece(s, 0, y, ["rook"]))
                        c.append(Piece(s, 1, y, ["knight"]))
                        c.append(Piece(s, 2, y, ["bishop"]))
                        k = Piece(s, 3, y, ["king", "king"]) # There can only be one ruler!
                        k.types_revealed[1] = True
                        k.current_type = "king"
                        self.king[s] = k
                        c.append(k)
                        c.append(Piece(s, 4, y, ["queen"])) # Apparently he may have multiple wives though.
                        c.append(Piece(s, 5, y, ["bishop"]))
                        c.append(Piece(s, 6, y, ["knight"]))
                        c.append(Piece(s, 7, y, ["rook"]))
                        
                        if y == 0: 
                                y += 1 
                        else: 
                                y -= 1
                        
                        # Lots of pawn
                        for x in range(0, w):
                                c.append(Piece(s, x, y, ["pawn"]))

                        types_left = {}
                        types_left.update(piece_types)
                        del types_left["king"] # We don't want one of these randomly appearing (although it might make things interesting...)
                        del types_left["unknown"] # We certainly don't want these!
                        for piece in c:
                                # Add to grid
                                self.grid[piece.x][piece.y] = piece 

                                if len(piece.types) > 1:
                                        continue                                
                                if style == "agent": # Assign placeholder "unknown" secondary type
                                        piece.types.append("unknown")
                                        continue

                                elif style == "quantum":
                                        # The master allocates the secondary types
                                        choice = types_left.keys()[random.randint(0, len(types_left.keys())-1)]
                                        types_left[choice] -= 1
                                        if types_left[choice] <= 0:
                                                del types_left[choice]
                                        piece.types.append(choice)
                                elif style == "classical":
                                        piece.types.append(piece.types[0])
                                        piece.current_type = piece.types[0]
                                        piece.types_revealed[1] = True
                                        piece.choice = 0

        def clone(self):
                newboard = Board(master = False)
                newpieces = newboard.pieces["white"] + newboard.pieces["black"]
                mypieces = self.pieces["white"] + self.pieces["black"]

                for i in range(len(mypieces)):
                        newpieces[i].init_from_copy(mypieces[i])
                        

        def display_grid(self, window = None, grid_sz = [80,80]):
                if window == None:
                        return # I was considering implementing a text only display, then I thought "Fuck that"

                # The indentation is getting seriously out of hand...
                for x in range(0, w):
                        for y in range(0, h):
                                if (x + y) % 2 == 0:
                                        c = pygame.Color(200,200,200)
                                else:
                                        c = pygame.Color(64,64,64)
                                pygame.draw.rect(window, c, (x*grid_sz[0], y*grid_sz[1], (x+1)*grid_sz[0], (y+1)*grid_sz[1]))

        def display_pieces(self, window = None, grid_sz = [80,80]):
                if window == None:
                        return
                for p in self.pieces["white"] + self.pieces["black"]:
                        p.draw(window, grid_sz, self.style)

        # Draw the board in a pygame window
        def display(self, window = None):
                self.display_grid(window)
                self.display_pieces(window)
                

                

        def verify(self):
                for x in range(w):
                        for y in range(h):
                                if self.grid[x][y] == None:
                                        continue
                                if (self.grid[x][y].x != x or self.grid[x][y].y != y):
                                        raise Exception(sys.argv[0] + ": MISMATCH " + str(self.grid[x][y]) + " should be at " + str(x) + "," + str(y))

        # Select a piece on the board (colour is the colour of whoever is doing the selecting)
        def select(self, x,y, colour=None):
                if not self.on_board(x, y): # Get on board everyone!
                        raise Exception("BOUNDS")

                piece = self.grid[x][y]
                if piece == None:
                        raise Exception("EMPTY")

                if colour != None and piece.colour != colour:
                        raise Exception("COLOUR " + str(piece.colour) + " not " + str(colour))

                # I'm not quite sure why I made this return a string, but screw logical design
                return str(x) + " " + str(y) + " " + str(piece.select()) + " " + str(piece.current_type)


        # Update the board when a piece has been selected
        # "type" is apparently reserved, so I'll use "state"
        def update_select(self, x, y, type_index, state):
                piece = self.grid[x][y]
                if piece.types[type_index] == "unknown":
                        if not state in self.unrevealed_types[piece.colour].keys():
                                raise Exception("SANITY: Too many " + piece.colour + " " + state + "s")
                        self.unrevealed_types[piece.colour][state] -= 1
                        if self.unrevealed_types[piece.colour][state] <= 0:
                                del self.unrevealed_types[piece.colour][state]

                piece.types[type_index] = state
                piece.types_revealed[type_index] = True
                piece.current_type = state

                if len(self.possible_moves(piece)) <= 0:
                        piece.deselect() # Piece can't move; deselect it
                
        # Update the board when a piece has been moved
        def update_move(self, x, y, x2, y2):
                piece = self.grid[x][y]
                self.grid[x][y] = None
                taken = self.grid[x2][y2]
                if taken != None:
                        if taken.current_type == "king":
                                self.king[taken.colour] = None
                        self.pieces[taken.colour].remove(taken)
                self.grid[x2][y2] = piece
                piece.x = x2
                piece.y = y2

                # If the piece is a pawn, and it reaches the final row, it becomes a queen
                # I know you are supposed to get a choice
                # But that would be effort
                if piece.current_type == "pawn" and ((piece.colour == "white" and piece.y == 0) or (piece.colour == "black" and piece.y == h-1)):
                        if self.style == "classical":
                                piece.types[0] = "queen"
                                piece.types[1] = "queen"
                        else:
                                piece.types[piece.choice] = "queen"
                        piece.current_type = "queen"

                piece.deselect() # Uncollapse (?) the wavefunction!
                self.verify()   

        # Update the board from a string
        # Guesses what to do based on the format of the string
        def update(self, result):
                #print "Update called with \"" + str(result) + "\""
                # String always starts with 'x y'
                try:
                        s = result.split(" ")
                        [x,y] = map(int, s[0:2])        
                except:
                        raise Exception("GIBBERISH \""+ str(result) + "\"") # Raise expectations

                piece = self.grid[x][y]
                if piece == None:
                        raise Exception("EMPTY")

                # If a piece is being moved, the third token is '->'
                # We could get away with just using four integers, but that wouldn't look as cool
                if "->" in s:
                        # Last two tokens are the destination
                        try:
                                [x2,y2] = map(int, s[3:])
                        except:
                                raise Exception("GIBBERISH \"" + str(result) + "\"") # Raise the alarm

                        # Move the piece (take opponent if possible)
                        self.update_move(x, y, x2, y2)
                        
                else:
                        # Otherwise we will just assume a piece has been selected
                        try:
                                type_index = int(s[2]) # We need to know which of the two types the piece is in; that's the third token
                                state = s[3] # The last token is a string identifying the type
                        except:
                                raise Exception("GIBBERISH \"" + result + "\"") # Throw a hissy fit

                        # Select the piece
                        self.update_select(x, y, type_index, state)

                return result

        # Gets each piece that could reach the given square and the probability that it could reach that square 
        # Will include allied pieces that defend the attacker
        def coverage(self, x, y, colour = None, reject_allied = True):
                result = {}
                
                if colour == None:
                        pieces = self.pieces["white"] + self.pieces["black"]
                else:
                        pieces = self.pieces[colour]

                for p in pieces:
                        prob = self.probability_grid(p, reject_allied)[x][y]
                        if prob > 0:
                                result.update({p : prob})
                
                self.verify()
                return result


                


        # Associates each square with a probability that the piece could move into it
        # Look, I'm doing all the hard work for you here...
        def probability_grid(self, p, reject_allied = True):
                
                result = [[0.0] * w for _ in range(h)]
                if not isinstance(p, Piece):
                        return result

                if p.current_type != "unknown":
                        #sys.stderr.write(sys.argv[0] + ": " + str(p) + " moves " + str(self.possible_moves(p, reject_allied)) + "\n")
                        for point in self.possible_moves(p, reject_allied):
                                result[point[0]][point[1]] = 1.0
                        return result
                
                
                for i in range(len(p.types)):
                        t = p.types[i]
                        prob = 0.5
                        if t == "unknown" or p.types_revealed[i] == False:
                                total_types = 0
                                for t2 in self.unrevealed_types[p.colour].keys():
                                        total_types += self.unrevealed_types[p.colour][t2]
                                
                                for t2 in self.unrevealed_types[p.colour].keys():
                                        prob2 = float(self.unrevealed_types[p.colour][t2]) / float(total_types)
                                        p.current_type = t2
                                        for point in self.possible_moves(p, reject_allied):
                                                result[point[0]][point[1]] += prob2 * prob
                                
                        else:
                                p.current_type = t
                                for point in self.possible_moves(p, reject_allied):
                                        result[point[0]][point[1]] += prob
                
                self.verify()
                p.current_type = "unknown"
                return result

        def prob_is_type(self, p, state):
                prob = 0.5
                result = 0
                for i in range(len(p.types)):
                        t = p.types[i]
                        if t == state:
                                result += prob
                                continue        
                        if t == "unknown" or p.types_revealed[i] == False:
                                total_prob = 0
                                for t2 in self.unrevealed_types[p.colour].keys():
                                        total_prob += self.unrevealed_types[p.colour][t2]
                                for t2 in self.unrevealed_types[p.colour].keys():
                                        if t2 == state:
                                                result += prob * float(self.unrevealed_types[p.colour][t2]) / float(total_prob)
                                


        # Get all squares that the piece could move into
        # This is probably inefficient, but I looked at some sample chess games and they seem to actually do things this way
        # reject_allied indicates whether squares occupied by allied pieces will be removed
        # (set to false to check for defense)
        def possible_moves(self, p, reject_allied = True):
                result = []
                if p == None:
                        return result

                
                if p.current_type == "unknown":
                        raise Exception("SANITY: Piece state unknown")
                        # The below commented out code causes things to break badly
                        #for t in p.types:
                        #       if t == "unknown":
                        #               continue
                        #       p.current_type = t
                        #       result += self.possible_moves(p)                                                
                        #p.current_type = "unknown"
                        #return result

                if p.current_type == "king":
                        result = [[p.x-1,p.y],[p.x+1,p.y],[p.x,p.y-1],[p.x,p.y+1], [p.x-1,p.y-1],[p.x-1,p.y+1],[p.x+1,p.y-1],[p.x+1,p.y+1]]
                elif p.current_type == "queen":
                        for d in [[-1,0],[1,0],[0,-1],[0,1],[-1,-1],[-1,1],[1,-1],[1,1]]:
                                result += self.scan(p.x, p.y, d[0], d[1])
                elif p.current_type == "bishop":
                        for d in [[-1,-1],[-1,1],[1,-1],[1,1]]: # There's a reason why bishops move diagonally
                                result += self.scan(p.x, p.y, d[0], d[1])
                elif p.current_type == "rook":
                        for d in [[-1,0],[1,0],[0,-1],[0,1]]:
                                result += self.scan(p.x, p.y, d[0], d[1])
                elif p.current_type == "knight":
                        # I would use two lines, but I'm not sure how python likes that
                        result = [[p.x-2, p.y-1], [p.x-2, p.y+1], [p.x+2, p.y-1], [p.x+2,p.y+1], [p.x-1,p.y-2], [p.x-1, p.y+2],[p.x+1,p.y-2],[p.x+1,p.y+2]]
                elif p.current_type == "pawn":
                        if p.colour == "white":
                                
                                # Pawn can't move forward into occupied square
                                if self.on_board(p.x, p.y-1) and self.grid[p.x][p.y-1] == None:
                                        result = [[p.x,p.y-1]]
                                for f in [[p.x-1,p.y-1],[p.x+1,p.y-1]]:
                                        if not self.on_board(f[0], f[1]):
                                                continue
                                        if self.grid[f[0]][f[1]] != None:  # Pawn can take diagonally
                                                result.append(f)
                                if p.y == h-2:
                                        # Slightly embarrassing if the pawn jumps over someone on its first move...
                                        if self.grid[p.x][p.y-1] == None and self.grid[p.x][p.y-2] == None:
                                                result.append([p.x, p.y-2])
                        else:
                                # Vice versa for the black pawn
                                if self.on_board(p.x, p.y+1) and self.grid[p.x][p.y+1] == None:
                                        result = [[p.x,p.y+1]]

                                for f in [[p.x-1,p.y+1],[p.x+1,p.y+1]]:
                                        if not self.on_board(f[0], f[1]):
                                                continue
                                        if self.grid[f[0]][f[1]] != None:
                                                #sys.stderr.write(sys.argv[0] + " : "+str(p) + " can take " + str(self.grid[f[0]][f[1]]) + "\n")
                                                result.append(f)
                                if p.y == 1:
                                        if self.grid[p.x][p.y+1] == None and self.grid[p.x][p.y+2] == None:
                                                result.append([p.x, p.y+2])

                        #sys.stderr.write(sys.argv[0] + " : possible_moves for " + str(p) + " " + str(result) + "\n")

                # Remove illegal moves
                # Note: The result[:] creates a copy of result, so that the result.remove calls don't fuck things up
                for point in result[:]: 

                        if (point[0] < 0 or point[0] >= w) or (point[1] < 0 or point[1] >= h):
                                result.remove(point) # Remove locations outside the board
                                continue
                        g = self.grid[point[0]][point[1]]
                        
                        if g != None and (g.colour == p.colour and reject_allied == True):
                                result.remove(point) # Remove allied pieces
                
                self.verify()
                return result


        # Scans in a direction until it hits a piece, returns all squares in the line
        # (includes the final square (which contains a piece), but not the original square)
        def scan(self, x, y, vx, vy):
                p = []
                        
                xx = x
                yy = y
                while True:
                        xx += vx
                        yy += vy
                        if not self.on_board(xx, yy):
                                break
                        if not [xx,yy] in p:
                                p.append([xx, yy])
                        g = self.grid[xx][yy]
                        if g != None:
                                return p        
                                        
                return p



        # I typed the full statement about 30 times before writing this function...
        def on_board(self, x, y):
                return (x >= 0 and x < w) and (y >= 0 and y < h)
# --- board.py --- #
import subprocess
import select
import platform


agent_timeout = -1.0 # Timeout in seconds for AI players to make moves
                        # WARNING: Won't work for windows based operating systems

if platform.system() == "Windows":
        agent_timeout = -1 # Hence this

# A player who can't play
class Player():
        def __init__(self, name, colour):
                self.name = name
                self.colour = colour

        def update(self, result):
                pass

# Player that runs from another process
class ExternalAgent(Player):


        def __init__(self, name, colour):
                Player.__init__(self, name, colour)
                self.p = subprocess.Popen(name,bufsize=0,stdin=subprocess.PIPE, stdout=subprocess.PIPE, shell=True,universal_newlines=True)
                
                self.send_message(colour)

        def send_message(self, s):
                if agent_timeout > 0.0:
                        ready = select.select([], [self.p.stdin], [], agent_timeout)[1]
                else:
                        ready = [self.p.stdin]
                if self.p.stdin in ready:
                        #sys.stderr.write("Writing \'" + s + "\' to " + str(self.p) + "\n")
                        try:
                                self.p.stdin.write(s + "\n")
                        except:
                                raise Exception("UNRESPONSIVE")
                else:
                        raise Exception("TIMEOUT")

        def get_response(self):
                if agent_timeout > 0.0:
                        ready = select.select([self.p.stdout], [], [], agent_timeout)[0]
                else:
                        ready = [self.p.stdout]
                if self.p.stdout in ready:
                        #sys.stderr.write("Reading from " + str(self.p) + " 's stdout...\n")
                        try:
                                result = self.p.stdout.readline().strip("\r\n")
                                #sys.stderr.write("Read \'" + result + "\' from " + str(self.p) + "\n")
                                return result
                        except: # Exception, e:
                                raise Exception("UNRESPONSIVE")
                else:
                        raise Exception("TIMEOUT")

        def select(self):

                self.send_message("SELECTION?")
                line = self.get_response()
                
                try:
                        result = map(int, line.split(" "))
                except:
                        raise Exception("GIBBERISH \"" + str(line) + "\"")
                return result

        def update(self, result):
                #print "Update " + str(result) + " called for AgentPlayer"
                self.send_message(result)


        def get_move(self):
                
                self.send_message("MOVE?")
                line = self.get_response()
                
                try:
                        result = map(int, line.split(" "))
                except:
                        raise Exception("GIBBERISH \"" + str(line) + "\"")
                return result

        def quit(self, final_result):
                try:
                        self.send_message("QUIT " + final_result)
                except:
                        self.p.kill()

# So you want to be a player here?
class HumanPlayer(Player):
        def __init__(self, name, colour):
                Player.__init__(self, name, colour)
                
        # Select your preferred account
        def select(self):
                if isinstance(graphics, GraphicsThread):
                        # Basically, we let the graphics thread do some shit and then return that information to the game thread
                        graphics.cond.acquire()
                        # We wait for the graphics thread to select a piece
                        while graphics.stopped() == False and graphics.state["select"] == None:
                                graphics.cond.wait() # The difference between humans and machines is that humans sleep
                        select = graphics.state["select"]
                        
                        
                        graphics.cond.release()
                        if graphics.stopped():
                                return [-1,-1]
                        return [select.x, select.y]
                else:
                        # Since I don't display the board in this case, I'm not sure why I filled it in...
                        while True:
                                sys.stdout.write("SELECTION?\n")
                                try:
                                        p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
                                except:
                                        sys.stderr.write("ILLEGAL GIBBERISH\n")
                                        continue
        # It's your move captain
        def get_move(self):
                if isinstance(graphics, GraphicsThread):
                        graphics.cond.acquire()
                        while graphics.stopped() == False and graphics.state["dest"] == None:
                                graphics.cond.wait()
                        graphics.cond.release()
                        
                        return graphics.state["dest"]
                else:

                        while True:
                                sys.stdout.write("MOVE?\n")
                                try:
                                        p = map(int, sys.stdin.readline().strip("\r\n ").split(" "))
                                except:
                                        sys.stderr.write("ILLEGAL GIBBERISH\n")
                                        continue

        # Are you sure you want to quit?
        def quit(self, final_result):
                if graphics == None:            
                        sys.stdout.write("QUIT " + final_result + "\n")

        # Completely useless function
        def update(self, result):
                if isinstance(graphics, GraphicsThread):
                        pass
                else:
                        sys.stdout.write(result + "\n") 


# Default internal player (makes random moves)
class InternalAgent(Player):
        def __init__(self, name, colour):
                Player.__init__(self, name, colour)
                self.choice = None

                self.board = Board(style = "agent")



        def update(self, result):
                
                self.board.update(result)
                self.board.verify()

        def quit(self, final_result):
                pass

class AgentRandom(InternalAgent):
        def __init__(self, name, colour):
                InternalAgent.__init__(self, name, colour)

        def select(self):
                while True:
                        self.choice = self.board.pieces[self.colour][random.randint(0, len(self.board.pieces[self.colour])-1)]
                        all_moves = []
                        # Check that the piece has some possibility to move
                        tmp = self.choice.current_type
                        if tmp == "unknown": # For unknown pieces, try both types
                                for t in self.choice.types:
                                        if t == "unknown":
                                                continue
                                        self.choice.current_type = t
                                        all_moves += self.board.possible_moves(self.choice)
                        else:
                                all_moves = self.board.possible_moves(self.choice)
                        self.choice.current_type = tmp
                        if len(all_moves) > 0:
                                break
                return [self.choice.x, self.choice.y]

        def get_move(self):
                moves = self.board.possible_moves(self.choice)
                move = moves[random.randint(0, len(moves)-1)]
                return move


# Terrible, terrible hacks

def run_agent(agent):
        #sys.stderr.write(sys.argv[0] + " : Running agent " + str(agent) + "\n")
        while True:
                line = sys.stdin.readline().strip(" \r\n")
                if line == "SELECTION?":
                        #sys.stderr.write(sys.argv[0] + " : Make selection\n")
                        [x,y] = agent.select() # Gets your agent's selection
                        #sys.stderr.write(sys.argv[0] + " : Selection was " + str(agent.choice) + "\n")
                        sys.stdout.write(str(x) + " " + str(y) + "\n")                          
                elif line == "MOVE?":
                        #sys.stderr.write(sys.argv[0] + " : Make move\n")
                        [x,y] = agent.get_move() # Gets your agent's move
                        sys.stdout.write(str(x) + " " + str(y) + "\n")
                elif line.split(" ")[0] == "QUIT":
                        #sys.stderr.write(sys.argv[0] + " : Quitting\n")
                        agent.quit(" ".join(line.split(" ")[1:])) # Quits the game
                        break
                else:
                        agent.update(line) # Updates agent.board
        return 0


# Sort of works?

class ExternalWrapper(ExternalAgent):
        def __init__(self, agent):
                run = "python -u -c \"import sys;import os;from qchess import *;agent = " + agent.__class__.__name__ + "('" + agent.name + "','"+agent.colour+"');sys.stdin.readline();sys.exit(run_agent(agent))\""
                # str(run)
                ExternalAgent.__init__(self, run, agent.colour)

        

# --- player.py --- #
# A sample agent


class AgentBishop(InternalAgent): # Inherits from InternalAgent (in qchess)
        def __init__(self, name, colour):
                InternalAgent.__init__(self, name, colour)
                self.value = {"pawn" : 1, "bishop" : 3, "knight" : 3, "rook" : 5, "queen" : 9, "king" : 100, "unknown" : 4}

                self.aggression = 2.0 # Multiplier for scoring due to aggressive actions
                self.defence = 1.0 # Multiplier for scoring due to defensive actions
                
                self.depth = 0 # Current depth
                self.max_depth = 2 # Recurse this many times (for some reason, makes more mistakes when this is increased???)
                self.recurse_for = -1 # Recurse for the best few moves each times (less than 0 = all moves)

                for p in self.board.pieces["white"] + self.board.pieces["black"]:
                        p.last_moves = None
                        p.selected_moves = None

                

        def get_value(self, piece):
                if piece == None:
                        return 0.0
                return float(self.value[piece.types[0]] + self.value[piece.types[1]]) / 2.0
                
        # Score possible moves for the piece
        
        def prioritise_moves(self, piece):

                #sys.stderr.write(sys.argv[0] + " : " + str(self) + " prioritise called for " + str(piece) + "\n")

                
                
                grid = self.board.probability_grid(piece)
                #sys.stderr.write("\t Probability grid " + str(grid) + "\n")
                moves = []
                for x in range(w):
                        for y in range(h):
                                if grid[x][y] < 0.3: # Throw out moves with < 30% probability
                                        #sys.stderr.write("\tReject " + str(x) + "," + str(y) + " (" + str(grid[x][y]) + ")\n")
                                        continue

                                target = self.board.grid[x][y]
                        
                                
                                
                                
                                # Get total probability that the move is protected
                                [xx,yy] = [piece.x, piece.y]
                                [piece.x, piece.y] = [x, y]
                                self.board.grid[x][y] = piece
                                self.board.grid[xx][yy] = None
                                
                                defenders = self.board.coverage(x, y, piece.colour, reject_allied = False)
                                d_prob = 0.0
                                for d in defenders.keys():
                                        d_prob += defenders[d]
                                if len(defenders.keys()) > 0:
                                        d_prob /= float(len(defenders.keys()))

                                if (d_prob > 1.0):
                                        d_prob = 1.0

                                # Get total probability that the move is threatened
                                attackers = self.board.coverage(x, y, opponent(piece.colour), reject_allied = False)
                                a_prob = 0.0
                                for a in attackers.keys():
                                        a_prob += attackers[a]
                                if len(attackers.keys()) > 0:
                                        a_prob /= float(len(attackers.keys()))

                                if (a_prob > 1.0):
                                        a_prob = 1.0

                                self.board.grid[x][y] = target
                                self.board.grid[xx][yy] = piece
                                [piece.x, piece.y] = [xx, yy]

                                
                                # Score of the move
                                value = self.aggression * (1.0 + d_prob) * self.get_value(target) - self.defence * (1.0 - d_prob) * a_prob * self.get_value(piece)

                                # Adjust score based on movement of piece out of danger
                                attackers = self.board.coverage(piece.x, piece.y, opponent(piece.colour))
                                s_prob = 0.0
                                for a in attackers.keys():
                                        s_prob += attackers[a]
                                if len(attackers.keys()) > 0:
                                        s_prob /= float(len(attackers.keys()))

                                if (s_prob > 1.0):
                                        s_prob = 1.0
                                value += self.defence * s_prob * self.get_value(piece)
                                
                                # Adjust score based on probability that the move is actually possible
                                moves.append([[x, y], grid[x][y] * value])

                moves.sort(key = lambda e : e[1], reverse = True)
                #sys.stderr.write(sys.argv[0] + ": Moves for " + str(piece) + " are " + str(moves) + "\n")

                piece.last_moves = moves
                piece.selected_moves = None

                

                
                return moves

        def select_best(self, colour):

                self.depth += 1
                all_moves = {}
                for p in self.board.pieces[colour]:
                        self.choice = p # Temporarily pick that piece
                        m = self.prioritise_moves(p)
                        if len(m) > 0:
                                all_moves.update({p : m[0]})

                if len(all_moves.items()) <= 0:
                        return None
                
                
                opts = all_moves.items()
                opts.sort(key = lambda e : e[1][1], reverse = True)

                if self.depth >= self.max_depth:
                        self.depth -= 1
                        return list(opts[0])

                if self.recurse_for >= 0:
                        opts = opts[0:self.recurse_for]
                #sys.stderr.write(sys.argv[0] + " : Before recurse, options are " + str(opts) + "\n")

                # Take the best few moves, and recurse
                for choice in opts[0:self.recurse_for]:
                        [xx,yy] = [choice[0].x, choice[0].y] # Remember position
                        [nx,ny] = choice[1][0] # Target
                        [choice[0].x, choice[0].y] = [nx, ny] # Set position
                        target = self.board.grid[nx][ny] # Remember piece in spot
                        self.board.grid[xx][yy] = None # Remove piece
                        self.board.grid[nx][ny] = choice[0] # Replace with moving piece
                        
                        # Recurse
                        best_enemy_move = self.select_best(opponent(choice[0].colour))
                        choice[1][1] -= best_enemy_move[1][1] / float(self.depth + 1.0)
                        
                        [choice[0].x, choice[0].y] = [xx, yy] # Restore position
                        self.board.grid[nx][ny] = target # Restore taken piece
                        self.board.grid[xx][yy] = choice[0] # Restore moved piece
                        
                

                opts.sort(key = lambda e : e[1][1], reverse = True)
                #sys.stderr.write(sys.argv[0] + " : After recurse, options are " + str(opts) + "\n")

                self.depth -= 1
                return list(opts[0])

                

        # Returns [x,y] of selected piece
        def select(self):
                #sys.stderr.write("Getting choice...")
                self.choice = self.select_best(self.colour)[0]
                #sys.stderr.write(" Done " + str(self.choice)+"\n")
                return [self.choice.x, self.choice.y]
        
        # Returns [x,y] of square to move selected piece into
        def get_move(self):
                #sys.stderr.write("Choice is " + str(self.choice) + "\n")
                self.choice.selected_moves = self.choice.last_moves
                moves = self.prioritise_moves(self.choice)
                if len(moves) > 0:
                        return moves[0][0]
                else:
                        return InternalAgent.get_move(self)

# --- agent_bishop.py --- #
import multiprocessing

# Hacky alternative to using select for timing out players

# WARNING: Do not wrap around HumanPlayer or things breakify
# WARNING: Do not use in general or things breakify

class Sleeper(multiprocessing.Process):
        def __init__(self, timeout):
                multiprocessing.Process.__init__(self)
                self.timeout = timeout

        def run(self):
                time.sleep(self.timeout)


class Worker(multiprocessing.Process):
        def __init__(self, function, args, q):
                multiprocessing.Process.__init__(self)
                self.function = function
                self.args = args
                self.q = q

        def run(self):
                #print str(self) + " runs " + str(self.function) + " with args " + str(self.args) 
                self.q.put(self.function(*self.args))
                
                

def TimeoutFunction(function, args, timeout):
        q = multiprocessing.Queue()
        w = Worker(function, args, q)
        s = Sleeper(timeout)
        w.start()
        s.start()
        while True: # Busy loop of crappyness
                if not w.is_alive():
                        s.terminate()
                        result = q.get()
                        w.join()
                        #print "TimeoutFunction gets " + str(result)
                        return result
                elif not s.is_alive():
                        w.terminate()
                        s.join()
                        raise Exception("TIMEOUT")

        
                

# A player that wraps another player and times out its moves
# Uses threads
# A (crappy) alternative to the use of select()
class TimeoutPlayer(Player):
        def __init__(self, base_player, timeout):
                Player.__init__(self, base_player.name, base_player.colour)
                self.base_player = base_player
                self.timeout = timeout
                
        def select(self):
                return TimeoutFunction(self.base_player.select, [], self.timeout)
                
        
        def get_move(self):
                return TimeoutFunction(self.base_player.get_move, [], self.timeout)

        def update(self, result):
                return TimeoutFunction(self.base_player.update, [result], self.timeout)

        def quit(self, final_result):
                return TimeoutFunction(self.base_player.quit, [final_result], self.timeout)
# --- timeout_player.py --- #
import socket
import select

network_timeout_start = -1.0 # Timeout in seconds to wait for the start of a message
network_timeout_delay = 1.0 # Maximum time between two characters being received

class Network():
        def __init__(self, colour, address = None):
                self.socket = socket.socket()
                #self.socket.setblocking(0)

                if colour == "white":
                        self.port = 4562
                else:
                        self.port = 4563

                self.src = None

        #       print str(self) + " listens on port " + str(self.port)

                if address == None:
                        self.host = socket.gethostname()
                        self.socket.bind((self.host, self.port))
                        self.socket.listen(5)   

                        self.src, self.address = self.socket.accept()
                        self.src.send("ok\n")
                        if self.get_response() == "QUIT":
                                self.src.close()
                else:
                        self.host = address
                        self.socket.connect((address, self.port))
                        self.src = self.socket
                        self.src.send("ok\n")
                        if self.get_response() == "QUIT":
                                self.src.close()

        def get_response(self):
                # Timeout the start of the message (first character)
                if network_timeout_start > 0.0:
                        ready = select.select([self.src], [], [], network_timeout_start)[0]
                else:
                        ready = [self.src]
                if self.src in ready:
                        s = self.src.recv(1)
                else:
                        raise Exception("UNRESPONSIVE")


                while s[len(s)-1] != '\n':
                        # Timeout on each character in the message
                        if network_timeout_delay > 0.0:
                                ready = select.select([self.src], [], [], network_timeout_delay)[0]
                        else:
                                ready = [self.src]
                        if self.src in ready:
                                s += self.src.recv(1) 
                        else:
                                raise Exception("UNRESPONSIVE")

                return s.strip(" \r\n")

        def send_message(self,s):
                if network_timeout_start > 0.0:
                        ready = select.select([], [self.src], [], network_timeout_start)[1]
                else:
                        ready = [self.src]

                if self.src in ready:
                        self.src.send(s + "\n")
                else:
                        raise Exception("UNRESPONSIVE")

        def check_quit(self, s):
                s = s.split(" ")
                if s[0] == "QUIT":
                        with game.lock:
                                game.final_result = " ".join(s[1:]) + " " + str(opponent(self.colour))
                        game.stop()
                        return True

                

class NetworkSender(Player,Network):
        def __init__(self, base_player, address = None):
                self.base_player = base_player
                Player.__init__(self, base_player.name, base_player.colour)

                self.address = address

        def connect(self):
                Network.__init__(self, self.base_player.colour, self.address)



        def select(self):
                [x,y] = self.base_player.select()
                choice = self.board.grid[x][y]
                s = str(x) + " " + str(y)
                #print str(self) + ".select sends " + s
                self.send_message(s)
                return [x,y]

        def get_move(self):
                [x,y] = self.base_player.get_move()
                s = str(x) + " " + str(y)
                #print str(self) + ".get_move sends " + s
                self.send_message(s)
                return [x,y]

        def update(self, s):
                self.base_player.update(s)
                s = s.split(" ")
                [x,y] = map(int, s[0:2])
                selected = self.board.grid[x][y]
                if selected != None and selected.colour == self.colour and len(s) > 2 and not "->" in s:
                        s = " ".join(s[0:3])
                        for i in range(2):
                                if selected.types_revealed[i] == True:
                                        s += " " + str(selected.types[i])
                                else:
                                        s += " unknown"
                        #print str(self) + ".update sends " + s
                        self.send_message(s)
                                

        def quit(self, final_result):
                self.base_player.quit(final_result)
                #self.src.send("QUIT " + str(final_result) + "\n")
                self.src.close()

class NetworkReceiver(Player,Network):
        def __init__(self, colour, address=None):
                
                Player.__init__(self, address, colour)

                self.address = address

                self.board = None

        def connect(self):
                Network.__init__(self, self.colour, self.address)
                        

        def select(self):
                
                s = self.get_response()
                #print str(self) + ".select gets " + s
                [x,y] = map(int,s.split(" "))
                if x == -1 and y == -1:
                        #print str(self) + ".select quits the game"
                        with game.lock:
                                game.final_state = "network terminated " + self.colour
                        game.stop()
                return [x,y]
        def get_move(self):
                s = self.get_response()
                #print str(self) + ".get_move gets " + s
                [x,y] = map(int,s.split(" "))
                if x == -1 and y == -1:
                        #print str(self) + ".get_move quits the game"
                        with game.lock:
                                game.final_state = "network terminated " + self.colour
                        game.stop()
                return [x,y]

        def update(self, result):
                
                result = result.split(" ")
                [x,y] = map(int, result[0:2])
                selected = self.board.grid[x][y]
                if selected != None and selected.colour == self.colour and len(result) > 2 and not "->" in result:
                        s = self.get_response()
                        #print str(self) + ".update - receives " + str(s)
                        s = s.split(" ")
                        selected.choice = int(s[2])
                        for i in range(2):
                                selected.types[i] = str(s[3+i])
                                if s[3+i] == "unknown":
                                        selected.types_revealed[i] = False
                                else:
                                        selected.types_revealed[i] = True
                        selected.current_type = selected.types[selected.choice] 
                else:
                        pass
                        #print str(self) + ".update - ignore result " + str(result)                     
                

        def quit(self, final_result):
                self.src.close()
        
# --- network.py --- #
import threading

# A thread that can be stopped!
# Except it can only be stopped if it checks self.stopped() periodically
# So it can sort of be stopped
class StoppableThread(threading.Thread):
        def __init__(self):
                threading.Thread.__init__(self)
                self._stop = threading.Event()

        def stop(self):
                self._stop.set()

        def stopped(self):
                return self._stop.isSet()
# --- thread_util.py --- #
log_file = None
import datetime
import urllib2

class LogFile():
        def __init__(self, file_name):  
                
                self.log = open(file_name, "w", 0)

        def write(self, s):
                self.log.write(str(datetime.datetime.now()) + " : " + s + "\n")

        def setup(self, board, players):
                self.log.write("# Log starts " + str(datetime.datetime.now()) + "\n")
                for p in players:
                        self.log.write("# " + p.colour + " : " + p.name + "\n")
                
                self.log.write("# Initial board\n")
                for x in range(0, w):
                        for y in range(0, h):
                                if board.grid[x][y] != None:
                                        self.log.write(str(board.grid[x][y]) + "\n")

                self.log.write("# Start game\n")

class HttpLog(LogFile):
        def __init__(self, file_name):
                LogFile.__init__(self, file_name)
                self.file_name = file_name

        def write(self, s):
                self.log.close()
                self.log = open(self.file_name, "w", 0)

                LogFile.setup(self, game.board, game.players)

                LogFile.write(self, s)
                

class HeadRequest(urllib2.Request):
        def get_method(self):
                return "HEAD"
                
class HttpReplay():
        def __init__(self, address):
                self.read_setup = False
                self.log = urllib2.urlopen(address)
                self.address = address

        def readline(self):
                
                line = self.log.readline()
                sys.stderr.write(sys.argv[0] + " : " + str(self.__class__.__name__) + " read \""+str(line.strip("\r\n")) + "\" from address " + str(self.address) + "\n")
                if line == "":
                        sys.stderr.write(sys.argv[0] + " : " + str(self.__class__.__name__) + " retrieving from address " + str(self.address) + "\n")
                        date_mod = datetime.datetime.strptime(self.log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")
                        self.log.close()

                        next_log = urllib2.urlopen(HeadRequest(self.address))
                        date_new = datetime.datetime.strptime(next_log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")
                        while date_new <= date_mod:
                                next_log = urllib2.urlopen(HeadRequest(self.address))
                                date_new = datetime.datetime.strptime(next_log.headers['last-modified'], "%a, %d %b %Y %H:%M:%S GMT")

                        self.log = urllib2.urlopen(self.address)
                        game.setup()
                        line = self.log.readline()


                return line
                        
        def close(self):
                self.log.close()
                                                
def log(s):
        if log_file != None:
                log_file.write(s)
                

def log_init(board, players):
        if log_file != None:
                log_file.setup(board, players)

# --- log.py --- #



        

# A thread that runs the game
class GameThread(StoppableThread):
        def __init__(self, board, players):
                StoppableThread.__init__(self)
                self.board = board
                self.players = players
                self.state = {"turn" : None} # The game state
                self.error = 0 # Whether the thread exits with an error
                self.lock = threading.RLock() #lock for access of self.state
                self.cond = threading.Condition() # conditional for some reason, I forgot
                self.final_result = ""
                
                

        # Run the game (run in new thread with start(), run in current thread with run())
        def run(self):
                result = ""
                while not self.stopped():
                        
                        for p in self.players:
                                with self.lock:
                                        if isinstance(p, NetworkSender):
                                                self.state["turn"] = p.base_player # "turn" contains the player who's turn it is
                                        else:
                                                self.state["turn"] = p
                                #try:
                                if True:
                                        [x,y] = p.select() # Player selects a square
                                        if self.stopped():
                                                break

                                        
                                                

                                        result = self.board.select(x, y, colour = p.colour)                             
                                        for p2 in self.players:
                                                p2.update(result) # Inform players of what happened


                                        log(result)

                                        target = self.board.grid[x][y]
                                        if isinstance(graphics, GraphicsThread):
                                                with graphics.lock:
                                                        graphics.state["moves"] = self.board.possible_moves(target)
                                                        graphics.state["select"] = target

                                        time.sleep(turn_delay)


                                        if len(self.board.possible_moves(target)) == 0:
                                                #print "Piece cannot move"
                                                target.deselect()
                                                if isinstance(graphics, GraphicsThread):
                                                        with graphics.lock:
                                                                graphics.state["moves"] = None
                                                                graphics.state["select"] = None
                                                                graphics.state["dest"] = None
                                                continue

                                        try:
                                                [x2,y2] = p.get_move() # Player selects a destination
                                        except:
                                                self.stop()

                                        if self.stopped():
                                                break

                                        self.board.update_move(x, y, x2, y2)
                                        result = str(x) + " " + str(y) + " -> " + str(x2) + " " + str(y2)
                                        for p2 in self.players:
                                                p2.update(result) # Inform players of what happened

                                        log(result)

                                        if isinstance(graphics, GraphicsThread):
                                                with graphics.lock:
                                                        graphics.state["moves"] = [[x2,y2]]

                                        time.sleep(turn_delay)

                                        if isinstance(graphics, GraphicsThread):
                                                with graphics.lock:
                                                        graphics.state["select"] = None
                                                        graphics.state["dest"] = None
                                                        graphics.state["moves"] = None

                        # Commented out exception stuff for now, because it makes it impossible to tell if I made an IndentationError somewhere
                        #       except Exception,e:
                        #               result = e.message
                        #               #sys.stderr.write(result + "\n")
                        #               
                        #               self.stop()
                        #               with self.lock:
                        #                       self.final_result = self.state["turn"].colour + " " + e.message

                                if self.board.king["black"] == None:
                                        if self.board.king["white"] == None:
                                                with self.lock:
                                                        self.final_result = self.state["turn"].colour + " DRAW"
                                        else:
                                                with self.lock:
                                                        self.final_result = "white"
                                        self.stop()
                                elif self.board.king["white"] == None:
                                        with self.lock:
                                                self.final_result = "black"
                                        self.stop()
                                                

                                if self.stopped():
                                        break


                for p2 in self.players:
                        p2.quit(self.final_result)

                log(self.final_result)

                graphics.stop()

        
# A thread that replays a log file
class ReplayThread(GameThread):
        def __init__(self, players, src, end=False,max_lines=None):
                self.board = Board(style="empty")
                GameThread.__init__(self, self.board, players)
                self.src = src
                self.max_lines = max_lines
                self.line_number = 0
                self.end = end

                self.setup()

        def setup(self):
                sys.stderr.write("setup called for ReplayThread\n")
                if True:
                        while self.src.readline().strip(" \r\n") != "# Initial board":
                                self.line_number += 1
                
                        line = self.src.readline().strip(" \r\n")
                        
                        while line != "# Start game":
                                #print "Reading line " + str(line)
                                self.line_number += 1
                                [x,y] = map(int, line.split("at")[1].strip(" \r\n").split(","))
                                colour = line.split(" ")[0]
                                current_type = line.split(" ")[1]
                                types = map(lambda e : e.strip(" [],'"), line.split(" ")[2:4])
                                p = Piece(colour, x, y, types)
                                if current_type != "unknown":
                                        p.current_type = current_type
                                        p.choice = types.index(current_type)

                                self.board.pieces[colour].append(p)
                                self.board.grid[x][y] = p
                                if current_type == "king":
                                        self.board.king[colour] = p

                                line = self.src.readline().strip(" \r\n")
                                
                #except Exception, e:
                #       raise Exception("FILE line: " + str(self.line_number) + " \""+str(line)+"\"") #\n" + e.message)
        
        def run(self):
                i = 0
                phase = 0
                count = 0
                line = self.src.readline().strip(" \r\n")
                while line != "# EOF":
                        sys.stderr.write(sys.argv[0] + " : " + str(self.__class__.__name__) + " read: " + str(line) + "\n")
                        count += 1
                        if self.max_lines != None and count > self.max_lines:
                                self.stop()

                        if self.stopped():
                                break

                        with self.lock:
                                self.state["turn"] = self.players[i]

                        line = line.split(":")
                        result = line[len(line)-1].strip(" \r\n")
                        

                        try:
                                self.board.update(result)
                        except Exception, e:
                                sys.stderr.write("Exception! " + str(e.message) + "\n")
                                self.final_result = result
                                self.stop()
                                break

                        log(result)

                        [x,y] = map(int, result.split(" ")[0:2])
                        target = self.board.grid[x][y]

                        if isinstance(graphics, GraphicsThread):
                                if phase == 0:
                                        with graphics.lock:
                                                graphics.state["moves"] = self.board.possible_moves(target)
                                                graphics.state["select"] = target

                                        if self.end:
                                                time.sleep(turn_delay)

                                elif phase == 1:
                                        [x2,y2] = map(int, result.split(" ")[3:5])
                                        with graphics.lock:
                                                graphics.state["moves"] = [[x2,y2]]

                                        if self.end:
                                                time.sleep(turn_delay)

                                        with graphics.lock:
                                                graphics.state["select"] = None
                                                graphics.state["dest"] = None
                                                graphics.state["moves"] = None
                                                


                        

                        for p in self.players:
                                p.update(result)
                        
                        phase = (phase + 1) % 2
                        if phase == 0:
                                i = (i + 1) % 2
                        
                        line = self.src.readline().strip(" \r\n")

                sys.stderr.write(sys.argv[0] + " : " + str(self.__class__.__name__) + " finished...\n")

                if self.max_lines != None and self.max_lines > count:
                        sys.stderr.write(sys.argv[0] + " : Replaying from file; stopping at last line (" + str(count) + ")\n")
                        sys.stderr.write(sys.argv[0] + " : (You requested line " + str(self.max_lines) + ")\n")

                if self.end and isinstance(graphics, GraphicsThread):
                        #graphics.stop()
                        pass # Let the user stop the display
                elif not self.end:
                        global game
                        game = GameThread(self.board, self.players)
                        game.run()
                

                

def opponent(colour):
        if colour == "white":
                return "black"
        else:
                return "white"
# --- game.py --- #
try:
        import pygame
except:
        pass
import os

# Dictionary that stores the unicode character representations of the different pieces
# Chess was clearly the reason why unicode was invented
# For some reason none of the pygame chess implementations I found used them!
piece_char = {"white" : {"king" : u'\u2654',
                         "queen" : u'\u2655',
                         "rook" : u'\u2656',
                         "bishop" : u'\u2657',
                         "knight" : u'\u2658',
                         "pawn" : u'\u2659',
                         "unknown" : '?'},
                "black" : {"king" : u'\u265A',
                         "queen" : u'\u265B',
                         "rook" : u'\u265C',
                         "bishop" : u'\u265D',
                         "knight" : u'\u265E',
                         "pawn" : u'\u265F',
                         "unknown" : '?'}}

images = {"white" : {}, "black" : {}}
small_images = {"white" : {}, "black" : {}}

def create_images(grid_sz, font_name=os.path.join(os.path.curdir, "data", "DejaVuSans.ttf")):

        # Get the font sizes
        l_size = 5*(grid_sz[0] / 8)
        s_size = 3*(grid_sz[0] / 8)

        for c in piece_char.keys():
                
                if c == "black":
                        for p in piece_char[c].keys():
                                images[c].update({p : pygame.font.Font(font_name, l_size).render(piece_char[c][p], True,(0,0,0))})
                                small_images[c].update({p : pygame.font.Font(font_name, s_size).render(piece_char[c][p],True,(0,0,0))})         
                elif c == "white":
                        for p in piece_char[c].keys():
                                images[c].update({p : pygame.font.Font(font_name, l_size+1).render(piece_char["black"][p], True,(255,255,255))})
                                images[c][p].blit(pygame.font.Font(font_name, l_size).render(piece_char[c][p], True,(0,0,0)),(0,0))
                                small_images[c].update({p : pygame.font.Font(font_name, s_size+1).render(piece_char["black"][p],True,(255,255,255))})
                                small_images[c][p].blit(pygame.font.Font(font_name, s_size).render(piece_char[c][p],True,(0,0,0)),(0,0))
        

def load_images(image_dir=os.path.join(os.path.curdir, "data", "images")):
        if not os.path.exists(image_dir):
                raise Exception("Couldn't load images from " + image_dir + " (path doesn't exist)")
        for c in piece_char.keys():
                for p in piece_char[c].keys():
                        images[c].update({p : pygame.image.load(os.path.join(image_dir, c + "_" + p + ".png"))})
                        small_images[c].update({p : pygame.image.load(os.path.join(image_dir, c + "_" + p + "_small.png"))})
# --- images.py --- #
graphics_enabled = True
try:
        import pygame
except:
        graphics_enabled = False
        



# A thread to make things pretty
class GraphicsThread(StoppableThread):
        def __init__(self, board, title = "UCC::Progcomp 2013 - QChess", grid_sz = [80,80]):
                StoppableThread.__init__(self)
                
                self.board = board
                pygame.init()
                self.window = pygame.display.set_mode((grid_sz[0] * w, grid_sz[1] * h))
                pygame.display.set_caption(title)

                #print "Initialised properly"
                
                self.grid_sz = grid_sz[:]
                self.state = {"select" : None, "dest" : None, "moves" : None, "overlay" : None, "coverage" : None}
                self.error = 0
                self.lock = threading.RLock()
                self.cond = threading.Condition()

                #print "Test font"
                pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 32).render("Hello", True,(0,0,0))

                #load_images()
                create_images(grid_sz)

                """
                for c in images.keys():
                        for p in images[c].keys():
                                images[c][p] = images[c][p].convert(self.window)
                                small_images[c][p] = small_images[c][p].convert(self.window)
                """

                
        


        # On the run from the world
        def run(self):
                
                while not self.stopped():
                        
                        #print "Display grid"
                        self.board.display_grid(window = self.window, grid_sz = self.grid_sz) # Draw the board

                        #print "Display overlay"
                        self.overlay()

                        #print "Display pieces"
                        self.board.display_pieces(window = self.window, grid_sz = self.grid_sz) # Draw the board                

                        pygame.display.flip()

                        for event in pygame.event.get():
                                if event.type == pygame.QUIT:
                                        if isinstance(game, GameThread):
                                                with game.lock:
                                                        game.final_result = ""
                                                        if game.state["turn"] != None:
                                                                game.final_result = game.state["turn"].colour + " "
                                                        game.final_result += "terminated"
                                                game.stop()
                                        self.stop()
                                        break
                                elif event.type == pygame.MOUSEBUTTONDOWN:
                                        self.mouse_down(event)
                                elif event.type == pygame.MOUSEBUTTONUP:
                                        self.mouse_up(event)
                                        

                                
                                                                
                                                
                                                
                self.message("Game ends, result \""+str(game.final_result) + "\"")
                time.sleep(1)

                # Wake up anyone who is sleeping
                self.cond.acquire()
                self.cond.notify()
                self.cond.release()

                pygame.quit() # Time to say goodbye

        # Mouse release event handler
        def mouse_up(self, event):
                if event.button == 3:
                        with self.lock:
                                self.state["overlay"] = None
                elif event.button == 2:
                        with self.lock:
                                self.state["coverage"] = None   

        # Mouse click event handler
        def mouse_down(self, event):
                if event.button == 1:
                        m = [event.pos[i] / self.grid_sz[i] for i in range(2)]
                        if isinstance(game, GameThread):
                                with game.lock:
                                        p = game.state["turn"]
                        else:
                                        p = None
                                        
                                        
                        if isinstance(p, HumanPlayer):
                                with self.lock:
                                        s = self.board.grid[m[0]][m[1]]
                                        select = self.state["select"]
                                if select == None:
                                        if s != None and s.colour != p.colour:
                                                self.message("Wrong colour") # Look at all this user friendliness!
                                                time.sleep(1)
                                                return
                                        # Notify human player of move
                                        self.cond.acquire()
                                        with self.lock:
                                                self.state["select"] = s
                                                self.state["dest"] = None
                                        self.cond.notify()
                                        self.cond.release()
                                        return

                                if select == None:
                                        return
                                                
                                        
                                if self.state["moves"] == None:
                                        return

                                if not m in self.state["moves"]:
                                        self.message("Illegal Move") # I still think last year's mouse interface was adequate
                                        time.sleep(2)
                                        return
                                                
                                with self.lock:
                                        if self.state["dest"] == None:
                                                self.cond.acquire()
                                                self.state["dest"] = m
                                                self.state["select"] = None
                                                self.state["moves"] = None
                                                self.cond.notify()
                                                self.cond.release()
                elif event.button == 3:
                        m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
                        if isinstance(game, GameThread):
                                with game.lock:
                                        p = game.state["turn"]
                        else:
                                p = None
                                        
                                        
                        if isinstance(p, HumanPlayer):
                                with self.lock:
                                        self.state["overlay"] = self.board.probability_grid(self.board.grid[m[0]][m[1]])

                elif event.button == 2:
                        m = [event.pos[i] / self.grid_sz[i] for i in range(len(event.pos))]
                        if isinstance(game, GameThread):
                                with game.lock:
                                        p = game.state["turn"]
                        else:
                                p = None
                        
                        
                        if isinstance(p, HumanPlayer):
                                with self.lock:
                                        self.state["coverage"] = self.board.coverage(m[0], m[1], None, self.state["select"])
                                
        # Draw the overlay
        def overlay(self):

                square_img = pygame.Surface((self.grid_sz[0], self.grid_sz[1]),pygame.SRCALPHA) # A square image
                # Draw square over the selected piece
                with self.lock:
                        select = self.state["select"]
                if select != None:
                        mp = [self.grid_sz[i] * [select.x, select.y][i] for i in range(len(self.grid_sz))]
                        square_img.fill(pygame.Color(0,255,0,64))
                        self.window.blit(square_img, mp)
                # If a piece is selected, draw all reachable squares
                # (This quality user interface has been patented)
                with self.lock:
                        m = self.state["moves"]
                if m != None:
                        square_img.fill(pygame.Color(255,0,0,128)) # Draw them in blood red
                        for move in m:
                                mp = [self.grid_sz[i] * move[i] for i in range(2)]
                                self.window.blit(square_img, mp)
                # If a piece is overlayed, show all squares that it has a probability to reach
                with self.lock:
                        m = self.state["overlay"]
                if m != None:
                        for x in range(w):
                                for y in range(h):
                                        if m[x][y] > 0.0:
                                                mp = [self.grid_sz[i] * [x,y][i] for i in range(2)]
                                                square_img.fill(pygame.Color(255,0,255,int(m[x][y] * 128))) # Draw in purple
                                                self.window.blit(square_img, mp)
                                                font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
                                                text = font.render("{0:.2f}".format(round(m[x][y],2)), 1, pygame.Color(0,0,0))
                                                self.window.blit(text, mp)
                                
                # If a square is selected, highlight all pieces that have a probability to reach it
                with self.lock:                         
                        m = self.state["coverage"]
                if m != None:
                        for p in m:
                                mp = [self.grid_sz[i] * [p.x,p.y][i] for i in range(2)]
                                square_img.fill(pygame.Color(0,255,255, int(m[p] * 196))) # Draw in pale blue
                                self.window.blit(square_img, mp)
                                font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), 14)
                                text = font.render("{0:.2f}".format(round(m[p],2)), 1, pygame.Color(0,0,0))
                                self.window.blit(text, mp)
                        # Draw a square where the mouse is
                # This also serves to indicate who's turn it is
                
                if isinstance(game, GameThread):
                        with game.lock:
                                turn = game.state["turn"]
                else:
                        turn = None

                if isinstance(turn, HumanPlayer):
                        mp = [self.grid_sz[i] * int(pygame.mouse.get_pos()[i] / self.grid_sz[i]) for i in range(2)]
                        square_img.fill(pygame.Color(0,0,255,128))
                        if turn.colour == "white":
                                c = pygame.Color(255,255,255)
                        else:
                                c = pygame.Color(0,0,0)
                        pygame.draw.rect(square_img, c, (0,0,self.grid_sz[0], self.grid_sz[1]), self.grid_sz[0]/10)
                        self.window.blit(square_img, mp)

        # Message in a bottle
        def message(self, string, pos = None, colour = None, font_size = 20):
                #print "Drawing message..."
                font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
                if colour == None:
                        colour = pygame.Color(0,0,0)
                
                text = font.render(string, 1, colour)
        

                s = pygame.Surface((text.get_width(), text.get_height()), pygame.SRCALPHA)
                s.fill(pygame.Color(128,128,128))

                tmp = self.window.get_size()

                if pos == None:
                        pos = (tmp[0] / 2 - text.get_width() / 2, tmp[1] / 3 - text.get_height())
                else:
                        pos = (pos[0]*text.get_width() + tmp[0] / 2 - text.get_width() / 2, pos[1]*text.get_height() + tmp[1] / 3 - text.get_height())
                

                rect = (pos[0], pos[1], text.get_width(), text.get_height())
        
                pygame.draw.rect(self.window, pygame.Color(0,0,0), pygame.Rect(rect), 1)
                self.window.blit(s, pos)
                self.window.blit(text, pos)

                pygame.display.flip()

        def getstr(self, prompt = None):
                s = pygame.Surface((self.window.get_width(), self.window.get_height()))
                s.blit(self.window, (0,0))
                result = ""

                while True:
                        #print "LOOP"
                        if prompt != None:
                                self.message(prompt)
                                self.message(result, pos = (0, 1))
        
                        pygame.event.pump()
                        for event in pygame.event.get():
                                if event.type == pygame.QUIT:
                                        return None
                                if event.type == pygame.KEYDOWN:
                                        if event.key == pygame.K_BACKSPACE:
                                                result = result[0:len(result)-1]
                                                self.window.blit(s, (0,0)) # Revert the display
                                                continue
                                
                                                
                                        try:
                                                if event.unicode == '\r':
                                                        return result
                                        
                                                result += str(event.unicode)
                                        except:
                                                continue


        # Function to pick a button
        def SelectButton(self, choices, prompt = None, font_size=20):

                #print "Select button called!"
                self.board.display_grid(self.window, self.grid_sz)
                if prompt != None:
                        self.message(prompt)
                font = pygame.font.Font(os.path.join(os.path.curdir, "data", "DejaVuSans.ttf"), font_size)
                targets = []
                sz = self.window.get_size()

                
                for i in range(len(choices)):
                        c = choices[i]
                        
                        text = font.render(c, 1, pygame.Color(0,0,0))
                        p = (sz[0] / 2 - (1.5*text.get_width())/2, sz[1] / 2 +(i-1)*text.get_height()+(i*2))
                        targets.append((p[0], p[1], p[0] + 1.5*text.get_width(), p[1] + text.get_height()))

                while True:
                        mp =pygame.mouse.get_pos()
                        for i in range(len(choices)):
                                c = choices[i]
                                if mp[0] > targets[i][0] and mp[0] < targets[i][2] and mp[1] > targets[i][1] and mp[1] < targets[i][3]:
                                        font_colour = pygame.Color(255,0,0)
                                        box_colour = pygame.Color(0,0,255,128)
                                else:
                                        font_colour = pygame.Color(0,0,0)
                                        box_colour = pygame.Color(128,128,128)
                                
                                text = font.render(c, 1, font_colour)
                                s = pygame.Surface((text.get_width()*1.5, text.get_height()), pygame.SRCALPHA)
                                s.fill(box_colour)
                                pygame.draw.rect(s, (0,0,0), (0,0,1.5*text.get_width(), text.get_height()), self.grid_sz[0]/10)
                                s.blit(text, ((text.get_width()*1.5)/2 - text.get_width()/2 ,0))
                                self.window.blit(s, targets[i][0:2])
                                
        
                        pygame.display.flip()

                        for event in pygame.event.get():
                                if event.type == pygame.QUIT:
                                        return None
                                elif event.type == pygame.MOUSEBUTTONDOWN and event.button == 1:
                                        for i in range(len(targets)):
                                                t = targets[i]
                                                if event.pos[0] > t[0] and event.pos[0] < t[2]:
                                                        if event.pos[1] > t[1] and event.pos[1] < t[3]:
                                                                return i
                                                #print "Reject " + str(i) + str(event.pos) + " vs " + str(t)
                

        # Function to pick players in a nice GUI way
        def SelectPlayers(self, players = []):


                #print "SelectPlayers called"
                
                missing = ["white", "black"]
                for p in players:
                        missing.remove(p.colour)

                for colour in missing:
                        
                        
                        choice = self.SelectButton(["human", "agent", "network"],prompt = "Choose " + str(colour) + " player")
                        if choice == 0:
                                players.append(HumanPlayer("human", colour))
                        elif choice == 1:
                                import inspect
                                internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
                                internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
                                internal_agents.remove(('InternalAgent', InternalAgent)) 
                                if len(internal_agents) > 0:
                                        choice2 = self.SelectButton(["internal", "external"], prompt="Type of agent")
                                else:
                                        choice2 = 1

                                if choice2 == 0:
                                        agent = internal_agents[self.SelectButton(map(lambda e : e[0], internal_agents), prompt="Choose internal agent")]
                                        players.append(agent[1](agent[0], colour))                                      
                                elif choice2 == 1:
                                        try:
                                                import Tkinter
                                                from tkFileDialog import askopenfilename
                                                root = Tkinter.Tk() # Need a root to make Tkinter behave
                                                root.withdraw() # Some sort of magic incantation
                                                path = askopenfilename(parent=root, initialdir="../agents",title=
'Choose an agent.')
                                                if path == "":
                                                        return self.SelectPlayers()
                                                players.append(make_player(path, colour))       
                                        except:
                                                
                                                p = None
                                                while p == None:
                                                        self.board.display_grid(self.window, self.grid_sz)
                                                        pygame.display.flip()
                                                        path = self.getstr(prompt = "Enter path:")
                                                        if path == None:
                                                                return None
        
                                                        if path == "":
                                                                return self.SelectPlayers()
        
                                                        try:
                                                                p = make_player(path, colour)
                                                        except:
                                                                self.board.display_grid(self.window, self.grid_sz)
                                                                pygame.display.flip()
                                                                self.message("Invalid path!")
                                                                time.sleep(1)
                                                                p = None
                                                players.append(p)
                        elif choice == 2:
                                address = ""
                                while address == "":
                                        self.board.display_grid(self.window, self.grid_sz)
                                        
                                        address = self.getstr(prompt = "Address? (leave blank for server)")
                                        if address == None:
                                                return None
                                        if address == "":
                                                address = None
                                                continue
                                        try:
                                                map(int, address.split("."))
                                        except:
                                                self.board.display_grid(self.window, self.grid_sz)
                                                self.message("Invalid IPv4 address!")
                                                address = ""

                                players.append(NetworkReceiver(colour, address))
                        else:
                                return None
                #print str(self) + ".SelectPlayers returns " + str(players)
                return players
                        
                                
                        
# --- graphics.py --- #
#!/usr/bin/python -u

# Do you know what the -u does? It unbuffers stdin and stdout
# I can't remember why, but last year things broke without that

"""
        UCC::Progcomp 2013 Quantum Chess game
        @author Sam Moore [SZM] "matches"
        @copyright The University Computer Club, Incorporated
                (ie: You can copy it for not for profit purposes)
"""

# system python modules or whatever they are called
import sys
import os
import time

turn_delay = 0.5
[game, graphics] = [None, None]

def make_player(name, colour):
        if name[0] == '@':
                if name[1:] == "human":
                        return HumanPlayer(name, colour)
                s = name[1:].split(":")
                if s[0] == "network":
                        address = None
                        if len(s) > 1:
                                address = s[1]
                        return NetworkReceiver(colour, address)
                if s[0] == "internal":

                        import inspect
                        internal_agents = inspect.getmembers(sys.modules[__name__], inspect.isclass)
                        internal_agents = [x for x in internal_agents if issubclass(x[1], InternalAgent)]
                        internal_agents.remove(('InternalAgent', InternalAgent)) 
                        
                        if len(s) != 2:
                                sys.stderr.write(sys.argv[0] + " : '@internal' should be followed by ':' and an agent name\n")
                                sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
                                return None

                        for a in internal_agents:
                                if s[1] == a[0]:
                                        return a[1](name, colour)
                        
                        sys.stderr.write(sys.argv[0] + " : Can't find an internal agent matching \"" + s[1] + "\"\n")
                        sys.stderr.write(sys.argv[0] + " : Choices are: " + str(map(lambda e : e[0], internal_agents)) + "\n")
                        return None
                        

        else:
                return ExternalAgent(name, colour)
                        


# The main function! It does the main stuff!
def main(argv):

        # Apparently python will silently treat things as local unless you do this
        # Anyone who says "You should never use a global variable" can die in a fire
        global game
        global graphics
        
        global turn_delay
        global agent_timeout
        global log_file
        global src_file
        global graphics_enabled
        global always_reveal_states

        max_lines = None
        src_file = None
        
        style = "quantum"
        colour = "white"

        # Get the important warnings out of the way
        if platform.system() == "Windows":
                sys.stderr.write(sys.argv[0] + " : Warning - You are using " + platform.system() + "\n")
                if platform.release() == "Vista":
                        sys.stderr.write(sys.argv[0] + " : God help you.\n")
        

        players = []
        i = 0
        while i < len(argv)-1:
                i += 1
                arg = argv[i]
                if arg[0] != '-':
                        p = make_player(arg, colour)
                        if not isinstance(p, Player):
                                sys.stderr.write(sys.argv[0] + " : Fatal error creating " + colour + " player\n")
                                return 100
                        players.append(p)
                        if colour == "white":
                                colour = "black"
                        elif colour == "black":
                                pass
                        else:
                                sys.stderr.write(sys.argv[0] + " : Too many players (max 2)\n")
                        continue

                # Option parsing goes here
                if arg[1] == '-' and arg[2:] == "classical":
                        style = "classical"
                elif arg[1] == '-' and arg[2:] == "quantum":
                        style = "quantum"
                elif arg[1] == '-' and arg[2:] == "reveal":
                        always_reveal_states = True
                elif (arg[1] == '-' and arg[2:] == "graphics"):
                        graphics_enabled = not graphics_enabled
                elif (arg[1] == '-' and arg[2:].split("=")[0] == "file"):
                        # Load game from file
                        if len(arg[2:].split("=")) == 1:
                                src_file = sys.stdin
                        else:
                                f = arg[2:].split("=")[1]
                                if f[0] == '@':
                                        src_file = HttpReplay("http://" + f.split(":")[0][1:])
                                else:
                                        src_file = open(f.split(":")[0], "r", 0)

                                if len(f.split(":")) == 2:
                                        max_lines = int(f.split(":")[1])

                elif (arg[1] == '-' and arg[2:].split("=")[0] == "log"):
                        # Log file
                        if len(arg[2:].split("=")) == 1:
                                log_file = sys.stdout
                        else:
                                f = arg[2:].split("=")[1]
                                if f[0] == '@':
                                        log_file = HttpLog(f[1:])
                                else:
                                        log_file = LogFile(f)
                elif (arg[1] == '-' and arg[2:].split("=")[0] == "delay"):
                        # Delay
                        if len(arg[2:].split("=")) == 1:
                                turn_delay = 0
                        else:
                                turn_delay = float(arg[2:].split("=")[1])

                elif (arg[1] == '-' and arg[2:].split("=")[0] == "timeout"):
                        # Timeout
                        if len(arg[2:].split("=")) == 1:
                                agent_timeout = -1
                        else:
                                agent_timeout = float(arg[2:].split("=")[1])
                                
                elif (arg[1] == '-' and arg[2:] == "help"):
                        # Help
                        os.system("less data/help.txt") # The best help function
                        return 0


        # Create the board
        
        # Construct a GameThread! Make it global! Damn the consequences!
                        
        if src_file != None:
                # Hack to stop ReplayThread from exiting
                #if len(players) == 0:
                #       players = [HumanPlayer("dummy", "white"), HumanPlayer("dummy", "black")]

                # Normally the ReplayThread exits if there are no players
                # TODO: Decide which behaviour to use, and fix it
                end = (len(players) == 0)
                if end:
                        players = [Player("dummy", "white"), Player("dummy", "black")]
                elif len(players) != 2:
                        sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
                        if graphics_enabled:
                                sys.stderr.write(sys.argv[0] + " : (You won't get a GUI, because --file was used, and the author is lazy)\n")
                        return 44
                game = ReplayThread(players, src_file, end=end, max_lines=max_lines)
        else:
                board = Board(style)
                game = GameThread(board, players) 



        # Initialise GUI
        if graphics_enabled == True:
                try:
                        graphics = GraphicsThread(game.board, grid_sz = [64,64]) # Construct a GraphicsThread!

                except Exception,e:
                        graphics = None
                        sys.stderr.write(sys.argv[0] + " : Got exception trying to initialise graphics\n"+str(e.message)+"\nDisabled graphics\n")
                        graphics_enabled = False

        # If there are no players listed, display a nice pretty menu
        if len(players) != 2:
                if graphics != None:
                        players = graphics.SelectPlayers(players)
                else:
                        sys.stderr.write(sys.argv[0] + " : Usage " + sys.argv[0] + " white black\n")
                        return 44

        # If there are still no players, quit
        if players == None or len(players) != 2:
                sys.stderr.write(sys.argv[0] + " : Graphics window closed before players chosen\n")
                return 45


        # Wrap NetworkSender players around original players if necessary
        for i in range(len(players)):
                if isinstance(players[i], NetworkReceiver):
                        players[i].board = board # Network players need direct access to the board
                        for j in range(len(players)):
                                if j == i:
                                        continue
                                if isinstance(players[j], NetworkSender) or isinstance(players[j], NetworkReceiver):
                                        continue
                                players[j] = NetworkSender(players[j], players[i].address)
                                players[j].board = board

        # Connect the networked players
        for p in players:
                if isinstance(p, NetworkSender) or isinstance(p, NetworkReceiver):
                        if graphics != None:
                                graphics.board.display_grid(graphics.window, graphics.grid_sz)
                                graphics.message("Connecting to " + p.colour + " player...")
                        p.connect()

        
        # If using windows, select won't work; use horrible TimeoutPlayer hack
        if agent_timeout > 0:
                if platform.system() == "Windows":
                        for i in range(len(players)):
                                if isinstance(players[i], ExternalAgent) or isinstance(players[i], InternalAgent):
                                        players[i] = TimeoutPlayer(players[i], agent_timeout)

                else:
                        warned = False
                        # InternalAgents get wrapped to an ExternalAgent when there is a timeout
                        # This is not confusing at all.
                        for i in range(len(players)):
                                if isinstance(players[i], InternalAgent):
                                                players[i] = ExternalWrapper(players[i])


                




        log_init(game.board, players)
        
        
        if graphics != None:
                game.start() # This runs in a new thread
                graphics.run()
                if game.is_alive():
                        game.join()
        

                error = game.error + graphics.error
        else:
                game.run()
                error = game.error
        

        if log_file != None and log_file != sys.stdout:
                log_file.write("# EOF\n")
                log_file.close()

        if src_file != None and src_file != sys.stdin:
                src_file.close()

        return error

# This is how python does a main() function...
if __name__ == "__main__":
        try:
                sys.exit(main(sys.argv))
        except KeyboardInterrupt:
                sys.stderr.write(sys.argv[0] + " : Got KeyboardInterrupt. Stopping everything\n")
                if isinstance(graphics, StoppableThread):
                        graphics.stop()
                        graphics.run() # Will clean up graphics because it is stopped, not run it (a bit dodgy)

                if isinstance(game, StoppableThread):
                        game.stop()
                        if game.is_alive():
                                game.join()

                sys.exit(102)

# --- main.py --- #
# EOF - created from make on Wed Jan 30 17:20:26 WST 2013