Complete Roguelike Tutorial, using python+libtcod, part 1 code

This is part of a series of tutorials; the main page can be found here. The tutorial uses libtcod version 1.6.0 and above. If you choose to use 1.5.1, you can find the old version here. If you choose to use 1.5.0, you can find the old version here.

Showing the @ on screen

import libtcodpy as libtcod

#actual size of the window
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 50

LIMIT_FPS = 20  #20 frames-per-second maximum


libtcod.console_set_custom_font('arial10x10.png', libtcod.FONT_TYPE_GREYSCALE | libtcod.FONT_LAYOUT_TCOD)

libtcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, 'python/libtcod tutorial', False)

libtcod.sys_set_fps(LIMIT_FPS)

while not libtcod.console_is_window_closed():
    
    libtcod.console_set_default_foreground(0, libtcod.white)
    
    libtcod.console_put_char(0, 1, 1, '@', libtcod.BKGND_NONE)
    
    libtcod.console_flush()

Moving around

#!/usr/bin/env python
import libtcodpy as tcod

# ######################################################################
# Global Game Settings
# ######################################################################
# Windows Controls
FULLSCREEN = False
SCREEN_WIDTH = 80  # characters wide
SCREEN_HEIGHT = 50  # characters tall
LIMIT_FPS = 20  # 20 frames-per-second maximum
# Game Controls
TURN_BASED = True  # turn-based game


def initialize_game():
    # Setup player
    global player_x, player_y
    player_x = SCREEN_WIDTH // 2
    player_y = SCREEN_HEIGHT // 2

    # Setup Font
    font_filename = 'terminal.png'
    font_flags = tcod.FONT_TYPE_GREYSCALE | tcod.FONT_LAYOUT_ASCII_INCOL
    tcod.console_set_custom_font(font_filename, font_flags)

    # Initialize screen
    title = 'Python 3 + Libtcod tutorial'
    tcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, title, FULLSCREEN)

    # Set FPS
    tcod.sys_set_fps(LIMIT_FPS)


# ######################################################################
# User Input
# ######################################################################
def get_key_event(turn_based=None):
    if turn_based:
        # Turn-based game play; wait for a key stroke
        key = tcod.console_wait_for_keypress(True)
    else:
        # Real-time game play; don't wait for a player's key stroke
        key = tcod.console_check_for_keypress()
    return key


def handle_keys():
    global playerx, player_y

    key = get_key_event(TURN_BASED)

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

    elif key.vk == tcod.KEY_ESCAPE:
        return True  # exit game

    # movement keys
    if tcod.console_is_key_pressed(tcod.KEY_UP):
        player_y -= 1

    elif tcod.console_is_key_pressed(tcod.KEY_DOWN):
        player_y += 1

    elif tcod.console_is_key_pressed(tcod.KEY_LEFT):
        playerx -= 1

    elif tcod.console_is_key_pressed(tcod.KEY_RIGHT):
        playerx += 1


#############################################
# Main Game Loop
#############################################


def main():
    initialize_game()

    exit_game = False
    while not tcod.console_is_window_closed() and not exit_game:
        tcod.console_set_default_foreground(0, tcod.white)
        tcod.console_put_char(0, playerx, player_y, '@', tcod.BKGND_NONE)
        tcod.console_flush()
        tcod.console_put_char(0, playerx, player_y, ' ', tcod.BKGND_NONE)

        exit_game = handle_keys()


main()