import tcod as tc

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

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

    # Draw all entities in the list
    for entity in entities:
        draw_entity(con, entity)

    tc. 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):
    tc.console_set_default_foreground(con, entity.color)
    tc.console_put_char(con, entity.x, entity.y, entity.char, tc.BKGND_NONE)


def clear_entity(con, entity):
    # Erase the charect that represents this object
    tc.console_put_char(con, entity.x, entity.y, ' ', tc.BKGND_NONE)