data.py

from bs4           import BeautifulSoup
from constants     import *
from drawables     import Tile


def load_map(filename, layr, resize=None, collidable=True, extra_groups=[]):
    f = open(MAP_DIR + filename, "r")
    soup = BeautifulSoup(f, "xml")
    f.close()

    gerps = [all_sprites_list, tile_sprites_list] + extra_groups
    mwidth = soup.map.layer['width']
    mheight = soup.map.layer['height']
    twidth = int(soup.map.tileset["tilewidth"])
    theight = int(soup.map.tileset["tileheight"])
    tsetwidth = int(soup.map.tileset.image['width']) / twidth
    tsetheight = int(soup.map.tileset.image['height']) / theight
    map_csv = None
    map_csv =soup.map.find(attrs={'name' : layr}).data.string.split(',')

    x = 0;
    y = 0;

    if not map_csv:
        print "No Layer with name: %s" % layr
        exit(0)
    else:
        pass
        
    for num in map_csv:
        px = int(x) % int(mwidth)
        py = int(x) / int(mwidth)
        tx = (int(num) - 1) % tsetwidth
        ty = (int(num) - 1) / tsetheight

        x += 1
        if int(num) == 0:
            continue
        tile = Tile("TestTiles.png",
                        x=px, y=py,
                        w=twidth, h=theight,
                        tx=tx, ty=ty,
                        resize=resize,
                        groups=gerps)
        if not collidable:
            tile.collidable = False