import libtcodpy as libtcod
import math
import textwrap
import shelve

#screen settings
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 50

#map settings
MAP_WIDTH = 80
MAP_HEIGHT = 43

#dungeon room settings
ROOM_MAX_SIZE = 10
ROOM_MIN_SIZE = 6
MAX_ROOMS = 30
MAX_ROOM_MONSTERS = 1
MAX_ROOM_ITEMS = 2

#panel settings
BAR_WIDTH = 20
PANEL_HEIGHT = 7
PANEL_Y = SCREEN_HEIGHT - PANEL_HEIGHT
MSG_X = BAR_WIDTH + 2
MSG_WIDTH = SCREEN_WIDTH - BAR_WIDTH - 2
MSG_HEIGHT = PANEL_HEIGHT - 1
#inventory window width
INVENTORY_WIDTH = 50

#amount healing potion heals with
HEAL_AMOUNT = 4

LIGHTNING_DAMAGE = 20
LIGHTNING_RANGE = 5
CONFUSE_RANGE = 8
CONFUSE_NUM_TURNS = 10
FIREBALL_RADIUS = 3
FIREBALL_DAMAGE = 12

#field-of-vision
FOV_ALGO = 0
FOV_LIGHT_WALLS = True
TORCH_RADIUS = 10

#frames per second
LIMIT_FPS = 20

#colors of the dungeon
color_dark_wall = libtcod.Color(30, 30, 30)
color_dark_ground = libtcod.Color(20, 20, 20)
color_light_wall = libtcod.Color(60, 60, 60)
color_light_ground = libtcod.Color(40, 40, 40)

#generalization of objects
class Tile:
    #a tile of the map and its properties
    def __init__(self, blocked, block_sight = None):

        self.blocked = blocked
        self.explored = False

        #by default, if a tile is blocked, it also blacks sight
        if block_sight is None: block_sight = blocked
        self.block_sight = block_sight

class Rect:
    #a rectangle on the map. used to characterize a room
    def __init__(self, x, y, w, h):
        self.x1 = x
        self.y1 = y
        self.x2 = x + w
        self.y2 = y + h

    def center(self):
        center_x = (self.x1 + self.x2)/ 2
        center_y = (self.y1 + self.y2) / 2
        return (center_x, center_y)

    def intersect(self, other):
        #returns true if this rectangle intersects with another one
        return(self.x1 <= other.x2 and self.x2 >= other.x1 and
               self.y1 <= other.y2 and self.y2 >= other.y1)

class Object:
    #this is a generic object
    #it's always represented by a character on screen
    def __init__(self, x, y, char, name, color, blocks=False, fighter=None, ai=None, item=None):
        self.x = x
        self.y = y
        self.char = char
        self.name = name
        self.color = color
        self.blocks = blocks
        self.fighter = fighter
        if self.fighter:
            self.fighter.owner = self

        self.ai = ai
        if self.ai:
            self.ai.owner = self

        self.item = item
        if self.item:
            self.item.owner = self

    def move(self, dx, dy):
        if not is_blocked(self.x + dx, self.y + dy):
        #move by the given amount
            self.x += dx
            self.y += dy

    def move_towards(self, target_x, target_y):
        dx = target_x - self.x
        dy = target_y - self.y
        distance = math.sqrt(dx **2 + dy ** 2)

        dx = int(round(dx / distance))
        dy = int(round(dy / distance))
        self.move(dx, dy)

    def distance_to(self, other):
        dx = other.x - self.x
        dy = other.y - self.y
        return math.sqrt(dx ** 2 + dy ** 2)

    def distance(self, x, y):
        return math.sqrt((x - self.x) ** 2 + (y - self.y) ** 2)

    def send_to_back(self):
        global objects
        objects.remove(self)
        objects.insert(0, self)

    def draw(self):
        if libtcod.map_is_in_fov(fov_map, self.x, self.y):
            #set the color and then draw the character that represents this object at its position
            libtcod.console_set_default_foreground(con, self.color)
            libtcod.console_put_char(con,self.x, self.y, self.char, libtcod.BKGND_NONE)


    def clear(self):
        #erase the character that represents this object
        libtcod.console_put_char(con, self.x, self.y, ' ', libtcod.BKGND_NONE)


def initialize_fov():
    global fov_recompute, fov_map
    fov_recompute = True

    fov_map = libtcod.map_new(MAP_WIDTH, MAP_HEIGHT)
    for y in range(MAP_HEIGHT):
        for x in range(MAP_WIDTH):
            libtcod.map_set_properties(fov_map, x, y, not map[x][y].block_sight, not map[x][y].blocked)
    libtcod.console_clear(con)

def play_game():
    global key, mouse

    player_action = None

    mouse = libtcod.Mouse()
    key = libtcod.Key()
    while not libtcod.console_is_window_closed():

        libtcod.sys_check_for_event(libtcod.EVENT_KEY_PRESS|libtcod.EVENT_MOUSE, key, mouse)
        render_all()

        libtcod.console_flush()

        for object in objects:
            object.clear()

            player_action = handle_keys()
            if player_action == 'exit':
                save_game()
                break

        if game_state == 'playing' and player_action == 'didnt-take-turn':
            for object in objects:
                if object.ai:
                    object.ai.take_turn()

def main_menu():
    img = libtcod.image_load('menu_background.png')

    while not libtcod.console_is_window_closed():
        libtcod.image_blit_2x(img, 0, 0, 0)

        libtcod.console_set_default_foreground(0, libtcod.light_yellow)
        libtcod.console_print_ex(0, SCREEN_WIDTH/2, SCREEN_HEIGHT/2-4, libtcod.BKGND_NONE, libtcod.CENTER, 'TOMBS OF THE ANCIENT KINGS')
        libtcod.console_print_ex(0, SCREEN_WIDTH/2, SCREEN_HEIGHT-2, libtcod.BKGND_NONE, libtcod.CENTER, 'By Me')
        choice = menu('', ['Play a new game', 'Continue last game', 'Quit'], 24)

        if choice == 0:
            new_game()
            play_game()
        if choice == 1:
            try:
                load_game()
            except:
                msgbox('\n No saved game to load.\n', 24)
                continue
            play_game()
        elif choice == 2:
            break

class Fighter:
    #combat-related properties and methods (monster, player, NPC)
    def __init__(self, hp, defense, power, death_function = None):
        self.max_hp = hp
        self.hp = hp
        self. defense = defense
        self.power = power
        self.death_function = death_function

    def attack(self, target):
        #a simple formula for attack damage
        damage = self.power - target.fighter.defense

        if damage > 0:
            message(self.owner.name.capitalize() + 'attacks ' + target.name + ' for ' + str(damage) + ' hit points.')
            target.fighter.take_damage(damage)
        else:
            message(self.owner.name.capitalize() + ' attacks ' + target.name + ' but it has no effect!')

    def take_damage(self, damage):
        if damage > 0:
            self.hp -= damage

            if self.hp <= 0:
                function = self.death_funtion
                if function is not None:
                    function(self.owner)

    def heal(self, amount):
        self.hp += amount
        if self.hp > self.max_hp:
            self.hp = self.max_hp

class BasicMonster:
    #AI for a basic monster
    def take_turn(self):
        monster = self.owner
        if libtcod.map_is_in_fov(fov_map, monster.x, monster.y):
            if monster.distance_to(player) >= 2:
                monster.move_towards(player.x, player.y)

            elif player.fighter.hp > 0:
                monster.fighter.attack(player)

class ConfusedMonster:
    def __init__(self, old_ai, num_turns=CONFUSE_NUM_TURNS):
        self.old_ai = old_ai
        self.num_turns = num_turns

    def take_turn(self):
        if self.num_turns > 0:
            self.owner.move(libtcod.random_get_int(0, -1, 1), libtcod.random_get_int(0, -1, 1))
            self.num_turns -= 1
        else:
            self.owner.ai = self.old_ai
            message('The ' + self.owner.name + ' is no longer confused!', libtcod.red)

class Item:
    def __init__(self, use_function=None):
        self.use_function = use_function

    def pick_up(self):
        if len(inventory) >= 26:
            message('Your inventory is full, cannot pick up ' + self.owner.name + '.', libtcod.red)
        else:
            inventory.append(self.owner)
            objects.remove(self.owner)
            message('You picked up a ' + self.owner.name + '!', libtcod.green)

    def drop(self):
        objects.append(self.owner)
        inventory.remove(self.owner)
        self.owner.x = player.x
        self. owner.y = player.y
        message('You dropped a ' + self.owner.name + '.', libtcod.yellow)

    def use(self):
        if self.use_function is None:
            message('The ' + self.owner.name + ' cannot be used.')
        else:
            if self.use_function() != 'cancelled':
                inventory.remove(self.owner)

def is_blocked(x, y):
    #first test the map tile
    if map[x][y].blocked:
        return True

    for object in objects:
        if object.blocks and object.x == x and object.y == y:
            return True

    return False

def create_room(room):
    global map
    #go through the tiles in the rectangle and make them passable
    for x in range(room.x1 + 1, room.x2):
        for y in range(room.y1 + 1, room.y2):
            map[x][y].blocked = False
            map[x][y].block_sight = False

def create_h_tunnel(x1, x2, y):
    global map
    #horizontal tunnel. min() and max() are used in case x1>x2
    for x in range(min(x1, x2), max(x1, x2) + 1):
        map[x][y].blocked = False
        map[x][y].block_sight = False

def create_v_tunnel(y1, y2, x):
    global map
    #vertical tunnel
    for y in range(min(y1, y2), max(y1, y2) + 1):
        map[x][y].blocked = False
        map[x][y].block_sight = False


def make_map():
    global map, objects

    objects = [player]

    #fill map with blocked tiles
    map = [[ Tile(True)
        for y in range(MAP_HEIGHT)]
           for x in range(MAP_WIDTH)]

    rooms = []
    num_rooms = 0

    for r in range (MAX_ROOMS):
        #random width and height
        w = libtcod.random_get_int(0, ROOM_MIN_SIZE, ROOM_MAX_SIZE)
        h = libtcod.random_get_int(0, ROOM_MIN_SIZE, ROOM_MAX_SIZE)
        #random position without going out of the boundaries of the map
        x = libtcod.random_get_int(0, 0, MAP_WIDTH - w - 1)
        y = libtcod.random_get_int(0, 0, MAP_HEIGHT - h - 1)

        #"Rect" class makes rectangles easier to work with
        new_room = Rect(x, y, w, h)

        #run through the other rooms and see if they intersect with this one
        failed = False
        for other_room in rooms:
            if new_room.intersect(other_room):
                failed = True
                break

        if not failed:
            #this means there are no intersections, so this room is valid

            #"paint" it to the map's tiles
            create_room(new_room)
            place_objects(new_room)

            #center coordinates of new room, will be useful later
            (new_x, new_y) = new_room.center()


            if num_rooms == 0:
                #this is the first room, where the player start at
                player.x = new_x
                player.y = new_y
            else:
                #all rooms after the first:
                #connect it to the previous room with a tunnel

                #center coordinates of previous room
                (prev_x, prev_y) = rooms[num_rooms-1].center()

                #draw a coin(random number that is either 0 or 1)
                if libtcod.random_get_int(0,0,1) == 1:
                    #first move horizontally, then vertically
                    create_h_tunnel(prev_x, new_x, prev_y)
                    create_v_tunnel(prev_y, new_y, new_x)
                else:
                    #first move vertically, then horizontally
                    create_v_tunnel(prev_y, new_y, prev_x)
                    create_h_tunnel(prev_x, new_x, new_y)

            #finally, append the new room to the list
            rooms.append(new_room)
            num_rooms += 1

def place_objects(room):

    num_monsters = libtcod.random_get_int(0, 0, MAX_ROOM_MONSTERS)

    for i in range(num_monsters):
        x = libtcod.random_get_int(0, room.x1, room.x2-1)
        y = libtcod.random_get_int(0, room.y1, room.y2-1)

        if not is_blocked(x, y):
            if libtcod.random_get_int(0, 0, 100) < 80:
                fighter_component = Fighter(hp = 10, defense = 0, power = 3, death_function = monster_death)
                ai_component = BasicMonster()

                monster = Object(x, y, 'G', ' Guard', libtcod.white, blocks = True, fighter = fighter_component, ai = ai_component)

            else:
                fighter_component = Fighter(hp=16, defense = 1, power = 4, death_function = monster_death)
                ai_component = BasicMonster()

                monster = Object(x, y, 'E', ' Elemental ', libtcod.green, blocks = True, fighter = fighter_component, ai = ai_component)

            objects.append(monster)

    num_items = libtcod.random_get_int(0, 0, MAX_ROOM_ITEMS)

    for i in range(num_items):
        x = libtcod.random_get_int(0, room.x1+1, room.x2-1)
        y = libtcod.random_get_int(0, room.y1+1, room.y2-1)

        if not is_blocked(x, y):
            dice = libtcod.random_get_int(0, 0, 100)
            if dice < 70:
                item_component = Item(use_function=cast_heal)

                item = Object(x, y, '!', 'healing potion', libtcod.violet, item=item_component)
            elif dice < 70+10:
                item_component = Item(use_function=cast_lightning)
                item = Object(x, y, '#', 'scroll of lighting bolt', libtcod.light_yellow, item=item_component)
            elif dice < 70+10+10:
                item_component = Item(use_function=cast_confuse)
                item = Object(x, y, '#', 'scroll of confusion', libtcod.light_yellow, item=item_component)
            else:
                item_component = Item(use_function=cast_confuse)
                item = Object(x, y, '#', 'scroll of confusion', libtcod.light_yellow, item=item_component)
            objects.append(item)
            item.send_to_back()

def render_bar(x, y, total_width, name, value, maximum, bar_color, back_color):
    bar_width = int(float(value) / maximum * (total_width))

    libtcod.console_set_default_background(panel, back_color)
    libtcod.console_rect(panel, x, y, total_width, 1, False, libtcod.BKGND_SCREEN)

    libtcod.console_set_default_background(panel, bar_color)
    if bar_width > 0:
        libtcod.console_rect(panel, x, y, bar_width, 1, False, libtcod.BKGND_SCREEN)
    libtcod.console_set_default_foreground(panel, libtcod.white)
    libtcod.console_print_ex(panel, x + total_width / 2, y, libtcod.BKGND_NONE, libtcod.CENTER, name + ': ' + str(value) + '/' + str(maximum))

def get_names_under_mouse():
    global mouse

    (x, y)= (mouse.cx, mouse.cy)

    names = [obj.name for obj in objects
        if obj.x == x and obj.y == y and libtcod.map_is_in_fov(fov_map, obj.x, obj.y)]

    names = ', '. join(names)
    return names.capitalize()

def render_all():
    #colors of wall and ground
    global fov_map, color_dark_wall, color_light_wall
    global color_dark_ground, color_light_ground
    global fov_recompute

    if fov_recompute:
        fov_recompute = True
        libtcod.map_compute_fov(fov_map, player.x, player.y, TORCH_RADIUS, FOV_LIGHT_WALLS, FOV_ALGO)

        #go through all tiles, and set their background color
        for y in range(MAP_HEIGHT):
            for x in range(MAP_WIDTH):
                visible = libtcod.map_is_in_fov(fov_map, x, y)
                wall = map[x][y].block_sight
                if not visible:
                    if map[x][y].explored:
                        if wall:
                            libtcod.console_set_char_background(con, x, y, color_dark_wall, libtcod.BKGND_SET)
                        else:
                            libtcod.console_set_char_background(con, x, y, color_dark_ground, libtcod.BKGND_SET)
                else:
                    if wall:
                        libtcod.console_set_char_background(con, x, y, color_light_wall, libtcod.BKGND_SET)
                    else:
                        libtcod.console_set_char_background(con, x, y, color_light_ground, libtcod.BKGND_SET)
                    map[x][y].explored = True

    for object in objects:
        if object != player:
            object.draw()

    player.draw()

    libtcod.console_blit(con, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 0, 0, 0)

    libtcod.console_set_default_background(panel, libtcod.black)
    libtcod.console_clear(panel)

    y = 1
    for(line, color) in game_msgs:
        libtcod.console_set_default_foreground(panel, color)
        libtcod.console_print_ex(panel, MSG_X, y, libtcod.BKGND_NONE, libtcod.LEFT,line)
        y += 1

    render_bar(1, 1, BAR_WIDTH, 'HP', player.fighter.hp, player.fighter.max_hp, libtcod.light_red, libtcod.darker_red)

    libtcod.console_set_default_foreground(panel, libtcod.light_gray)
    libtcod.console_print_ex(panel, 1, 0, libtcod.BKGND_NONE, libtcod.LEFT, get_names_under_mouse())

    libtcod.console_blit(panel, 0, 0, SCREEN_WIDTH, PANEL_HEIGHT, 0, 0, PANEL_Y)

def player_move_or_attack(dx, dy):
    global fov_recompute

    x = player.x + dx
    y = player.y + dy

    target = None
    for object in objects:
        if object.fighter and object.x == x and object.y == y:
            target = object
            break

    if target is not None:
        player.fighter.attack(target)
    else:
        player.move(dx, dy)
        fov_recompute = True

def menu(header, options, width):
    if len(options) > 26: raise ValueError('Cannot have a menu with more than 26 options.')

    header_height = libtcod.console_get_height_rect(con, 0, 0, width, SCREEN_HEIGHT, header)
    if header == '':
        header_height = 0
    height = len(options) + header_height

    window = libtcod.console_new(width, height)

    libtcod.console_set_default_foreground(window, libtcod.white)
    libtcod.console_print_rect_ex(window, 0, 0, width, height, libtcod.BKGND_NONE, libtcod.LEFT, header)

    y = header_height
    letter_index = ord('a')
    for option_text in options:
        text = '(' + chr(letter_index) + ')' + option_text
        libtcod.console_print_ex(window, 0, y, libtcod.BKGND_NONE, libtcod.LEFT, text)
        y += 1
        letter_index += 1

    x = SCREEN_WIDTH/2 - width/2
    y = SCREEN_HEIGHT/2 - height/2
    libtcod.console_blit(window, 0, 0, width, height, 0, x, y, 1.0, 0.7)

    libtcod.console_flush()
    key = libtcod.console_wait_for_keypress(True)

    if key.vk == libtcod.KEY_ENTER and key.lalt:
        libtcod.console_set_fullscreen(not libtcod.console_is_fullscreen())

    index = key.c - ord('a')
    if index >= 0 and index < len(options): return index
    return None

def inventory_menu(header):
    if len(inventory) == 0:
        options = ['Inventory is empty.']
    else:
        options = [item.name for item in inventory]

    index = menu(header, options, INVENTORY_WIDTH)

    if index is None or len(inventory) == 0: return None
    return inventory[index].item

def msgbox(text, width=50):
    menu(text, [], width)

#function for key input
def handle_keys():
    #key = libtcod.console_check_for_keypress() #real-time
    key = libtcod.console_wait_for_keypress(True) #turn-based

    if key.vk == libtcod.KEY_ENTER and key.lalt:
        #Alt+Enter: toggle fullscreen
        libtcod.console_set_fullscreen(not libtcod.console_is_fullscreen())

    elif key.vk == libtcod.KEY_ESCAPE:
        #exit game
        return 'exit'

    if game_state == 'playing':
        #movement keys
        if libtcod.console_is_key_pressed(libtcod.KEY_UP):
            player.move(0, -1)

        elif libtcod.console_is_key_pressed(libtcod.KEY_DOWN):
            player.move(0, 1)

        elif libtcod.console_is_key_pressed(libtcod.KEY_LEFT):
            player.move(-1, 0)

        elif libtcod.console_is_key_pressed(libtcod.KEY_RIGHT):
            player.move(1, 0)
        else:
            key_char = chr(key.c)

            if key_char == 'g':
                for object in objects:
                    if object.x == player.x and object.y == player.y and object.item:
                        object.item.pick_up()
                        break
            if key_char == 'i':
                chosen_item = inventory_menu('Press the key next to an item to se it, or any other to cancel.\n')
                if chosen_item is not None:
                    chosen_item.use()

            if key_char == 'd':
                chosen_item = invetory_menu('Press the key next to an item to drop it, or any other to cancel.\n')
                if chosen_item is not None:
                    chosen_item.drop()

            return 'didnt-take-turn'

def player_death(player):
    global game_state
    print 'You died!'
    game_state = 'dead'

    player.char = '%'
    player.color = libtcod.dark_red

def monster_death(monster):
    message(monster.name.capitalize() + ' is dead!', libtcod.orange)
    monster.char = '%'
    monster.color = libtcod.dark_red
    monster.blocks = False
    monster.fight = None
    monster.ai = None
    monster.name = 'remains of ' + monster.name
    monster.send_to_back()

def closest_monster(max_range):
    closest_enemy = None
    closest_dist = max_range + 1

    for object in objects:
        if object.fighter and not object == player and libtcod.map_is_in_fov(fov_map, object.x, object.y):
            dist = player.distance_to(object)
            if dist < closest_dist:
                closest_enemy = object
                closest_dist = dist
    return closest_enemy


def cast_heal():
    if player.fighter.hp == player.fighter.max_hp:
        message('You are already at full health.', libtcod.red)
        return 'cancelled'
    message('Your wounds start to feel better!', libtcod.light_violet)
    player.fighter.heal(HEAL_AMOUNT)

def cast_lightning():
    monster = closest_monster(LIGHTNING_RANGE)
    if monster is None:
        message('No enemy is close enough to strike.', libtcod.red)
        return 'cancelled'

    message('A lighting bolt strikes the ' + monster.name + 'with a loud thunder! The damage is ' + str(LIGHTNING_DAMAGE) + ' hit points.', libtcod.light_blue)
    monster.fighter.take_damage(LIGHTNING_DAMAGE)

def cast_fireball():
    message('Left-click a target tile for the fireball, or right-click to cance.', libtcod.light_cyan)
    (x, y) = target_tile()
    if x is None: return 'cancelled'
    message('The fireball explodes, burning everything within ' + str(FIREBALL_RADIUS) + ' tiles!', libtcod.orange)

    for obj in objects:
        if obj.distance(x, y) <= FIREBALL_RADIUS and obj.fighter:
            message('The ' + obj.name + ' gets burned for ' + str(FIREBALL_DAMAGE) + ' hit points.', libtcod.orange)
            obj.fighter.take_damage(FIREBALL_DAMAGE)

def cast_confuse():
    message('Left-click an enemy to confuse it, or right-click to cancel.', libtcod.light_cyan)
    monster = target_monster(CONFUSE_RANGE)
    if monster is None: return 'cancelled'

    old_ai = monster.ai
    monster.ai = ConfusedMonster(old_ai)
    monster.ai.owner = monster
    message('The eyes of the ' + monster.name + ' look vacant, as he starts to stumble around!', libtcod.light_green)

def message(new_msg, color = libtcod.white):
    new_msg_lines = textwrap.wrap(new_msg, MSG_WIDTH)

    for line in new_msg_lines:
        if len(game_msgs) == MSG_HEIGHT:
            del game_msgs[0]

        game_msgs.append((line, color))

def target_tile(max_range=None):
    global key, mouse
    while True:
        libtcod.console_flush()
        libtcod.sys_check_for_event(libtcod.EVENT_KEY_PRESS|libtcod.EVENT_MOUSE, key, mouse)
        render_all()
        (x, y) = (mouse.cx, mouse.cy)

        if mouse.rbutton_pressed or key.vk == libtcod.KEY_ESCAPE:
            return (None, None)

        if (mouse.lbutton_pressed and libtcod.map_is_in_fov(fov_map, x, y) and
            (max_range is None or player.distance(x, y) <= max_range)):
            return(x, y)

def target_monster(max_range=None):
    while True:
        (x, y) = target_tile(max_range)
        if x is None:
            return None

def new_game():
    global player, inventory, game_msgs, game_state

    fighter_component = Fighter(hp=30, defense=2, power=5, death_function=player_death)
    player = Object(0, 0, '@', 'player', libtcod.white, blocks=True, fighter=fighter_component)

    make_map()
    initialize_fov()

    game_state = 'playing'
    inventory = []
    game_msgs = []

    message('Welcome stranger! Prepare to perish in the Tombs of the Ancient King.', libtcod.red)


def save_game():
    file = shelve.open('savegame', 'n')
    file['map'] = map
    file['objects'] = objects
    file['player_index'] = objects.index(player)
    file['inventory'] = inventory
    file['game_msgs'] = game_msgs
    file['game_state'] = game_state
    file.close()

def load_game():
    global map, objects, player, inventory, game_msgs, game_state
    file = shelve.open('savegame', 'r')
    map = file['map']
    objects = file['objects']
    player = objects[file['player_index']]
    inventory = file['inventory']
    game_msgs = file['game_msgs']
    game_state = file['game_state']
    file.close()

    initialize_fov()



##############################
# Initialization & Main Loop #
##############################

#customize font
libtcod.console_set_custom_font('arial10x10.png', libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_TCOD)
#screen initialization
libtcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, 'Roguelike', False)
#maximum frames per second, only important for real-time applications
libtcod.sys_set_fps(LIMIT_FPS)
#second screen, where the characters will be printed on
con = libtcod.console_new(MAP_WIDTH, SCREEN_HEIGHT)
#panel at the bottom of the screen
panel = libtcod.console_new(SCREEN_WIDTH, PANEL_HEIGHT)

main_menu()