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

#!/usr/bin/env python3

import tdl

#actual size of the window
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 65

LIMIT_FPS = 20  #20 frames-per-second maximum


tdl.set_font('arial10x10.png', greyscale=True, altLayout=True)

console = tdl.init(SCREEN_WIDTH, SCREEN_HEIGHT, title="Roguelike", fullscreen=False)

tdl.setFPS(LIMIT_FPS)

while not tdl.event.is_window_closed():

    console.draw_char(1, 1, '@', bg=None, fg=(255,255,255))
    
    tdl.flush()

Moving around

#!/usr/bin/env python3

import tdl

#actual size of the window
SCREEN_WIDTH = 80
SCREEN_HEIGHT = 65

LIMIT_FPS = 20  #20 frames-per-second maximum

def handle_keys():
    global playerx, playery
    
    '''
    #realtime

    keypress = False
    for event in tdl.event.get():
        if event.type == 'KEYDOWN':
           user_input = event
           keypress = True
    if not keypress:
        return
    '''

    #turn-based
    #user_input = tdl.event.key_wait()

    if user_input.key == 'ENTER' and user_input.alt:
        #Alt+Enter: toggle fullscreen
        tdl.set_fullscreen(True)
 
    elif user_input.key == 'ESCAPE':
        return True  #exit game

    #movement keys
    if user_input.key == 'UP':
        playery -= 1

    elif user_input.key == 'DOWN':
        playery += 1

    elif user_input.key == 'LEFT':
        playerx -= 1

    elif user_input.key == 'RIGHT':
        playerx += 1


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

tdl.set_font('arial10x10.png', greyscale=True, altLayout=True)
console = tdl.init(SCREEN_WIDTH, SCREEN_HEIGHT, title="Roguelike", fullscreen=False)
tdl.setFPS(LIMIT_FPS)

playerx = int(SCREEN_WIDTH/2)
playery = int(SCREEN_HEIGHT/2)

while not tdl.event.is_window_closed():

    console.draw_char(playerx, playery, '@', bg=None, fg=(255,255,255))

    tdl.flush()

    console.draw_char(playerx, playery, ' ', bg=None)

    #handle keys and exit game if needed
    exit_game = handle_keys()
    if exit_game:
        break