render_functions.py

import libtcodpy as libtcod

def render_all(con, entities,game_map,screen_width, screen_height,colors):
    #render all the game map tiles
    for y in range(game_map.height):
        for x in range(game_map.width):
            wall=game_map.tiles[x][y].blocked

            if wall:
                libtcod.console_set_char_background(con,x,y,colors.get('dark_wall'), libtcod.BKGND_SET)
            else:
                libtcod.console_set_char_background(con,x,y,colors.get('dark_ground'), libtcod.BKGND_SET)

    #Draw all the listed entities
    for entity in entities:
        draw_entity(con,entity)
    libtcod.console_blit(con,0,0,screen_width, screen_height, 0, 0, 0)

def clear_all(con,entities):
    for entity in entities:
        clear_entity(con, entity)

def draw_entity(con, entity):
    libtcod.console_set_default_foreground(con, entity.color)
    libtcod.console_put_char(con, entity.x, entity.y, entity.char, libtcod.BKGND_NONE)


def clear_entity(con, entity):
    libtcod.console_put_char(con, entity.x, entity.y, ' ', libtcod.BKGND_NONE)