Complete Roguelike Tutorial, using python3+libtcod, part 1 code
This is part of a series of tutorials; the main page can be found here. |
Showing the @ on screen
#!/usr/bin/env python
import os
import libtcodpy as tcod
# Size of the terminal window in characters
SCREEN_WIDTH = 80 # characters wide
SCREEN_HEIGHT = 50 # characters tall
LIMIT_FPS = 20 # 20 frames-per-second maximum
# ######################################################################
# Exceptions
# ######################################################################
class GameError(Exception):
"""Base Exception for all game errors"""
class FontError(GameError):
"""Font could not be loaded"""
# ######################################################################
# Game
# ######################################################################
def initialize_game(font_filepath=None, window_title=None, fullscreen=False):
"""Sets up libtcod and creates a window
Args:
font_filepath (str): the path to the font file [default: arial10x10]
window_title (str): the title to display for the game [default: Python3 Tutorial]
fullscreen (bool): Run in full screen mode [default: False]
"""
# Setup displayed font
font_filepath = font_filepath or 'arial10x10.png'
font_flags = tcod.FONT_TYPE_GREYSCALE | tcod.FONT_LAYOUT_TCOD
if not os.path.exists(font_filepath):
raise FontError("Could not open font file: {}".format(font_filepath))
tcod.console_set_custom_font(font_filepath, font_flags)
# Setup window
window_title = window_title or 'Python3 Tutorial'
fullscreen = fullscreen or False
tcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, window_title, fullscreen)
# Limit frames per second
tcod.sys_set_fps(LIMIT_FPS)
def main():
initialize_game()
# Game loop
while not tcod.console_is_window_closed():
tcod.console_set_default_foreground(0, tcod.white)
tcod.console_put_char(0, 1, 1, '@', tcod.BKGND_NONE)
tcod.console_flush()
if __name__ == '__main__':
main()
Github link
Here's a github link.
Moving around
#!/usr/bin/env python
import libtcodpy as tcod
# ######################################################################
# Constants and Initial settings
# ######################################################################
# Size of the terminal window in characters
SCREEN_WIDTH = 80 # characters wide
SCREEN_HEIGHT = 50 # characters tall
LIMIT_FPS = 20 # 20 frames-per-second maximum
# Setup displayed font
font_filename = 'arial10x10.png' # needs to be in same folder as this file
font_flags = tcod.FONT_TYPE_GREYSCALE | tcod.FONT_LAYOUT_TCOD
tcod.console_set_custom_font(font_filename, font_flags)
# Setup window
window_title = 'Python 3 libtcod tutorial'
fullscreen = False
tcod.console_init_root(SCREEN_WIDTH, SCREEN_HEIGHT, window_title, fullscreen)
# Limit frames per second
tcod.sys_set_fps(LIMIT_FPS)
# Setup player's initial position
player_x = SCREEN_WIDTH // 2
player_y = SCREEN_HEIGHT // 2
# ######################################################################
# User Interface Control
# ######################################################################
def handle_keys():
"""Handles keyboard input
Updates:
player_x (int): x coordinate of player position
player_y (int): y coordinate of player position
Returns:
bool: True if exit the game is requested else False
"""
global player_x, player_y
exit_game = False
# key = tcod.console_check_for_keypress() # real-time
key = tcod.console_wait_for_keypress(True) # 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:
exit_game = True # exit game
# movement keys
if tcod.console_is_key_pressed(tcod.KEY_UP):
player_y = player_y - 1
elif tcod.console_is_key_pressed(tcod.KEY_DOWN):
player_y = player_y + 1
elif tcod.console_is_key_pressed(tcod.KEY_LEFT):
player_x = player_x - 1
elif tcod.console_is_key_pressed(tcod.KEY_RIGHT):
player_x = player_x + 1
return exit_game
# ######################################################################
# Main Game Loop
# ######################################################################
exit_game = False
while not tcod.console_is_window_closed() and exit_game is not True:
tcod.console_set_default_foreground(0, tcod.white)
tcod.console_put_char(0, player_x, player_y, '@', tcod.BKGND_NONE)
tcod.console_flush()
tcod.console_put_char(0, player_x, player_y, ' ', tcod.BKGND_NONE)
# handle keys
exit_game = handle_keys()
Github link
Here's a github link.