def test_astar(map_):
astar = libtcodpy.path_new_using_map(map_)
assert not libtcodpy.path_compute(astar, *POINTS_AC)
assert libtcodpy.path_size(astar) == 0
assert libtcodpy.path_compute(astar, *POINTS_AB)
assert libtcodpy.path_get_origin(astar) == POINT_A
assert libtcodpy.path_get_destination(astar) == POINT_B
libtcodpy.path_reverse(astar)
assert libtcodpy.path_get_origin(astar) == POINT_B
assert libtcodpy.path_get_destination(astar) == POINT_A
assert libtcodpy.path_size(astar) != 0
assert libtcodpy.path_size(astar) > 0
assert not libtcodpy.path_is_empty(astar)
for i in range(libtcodpy.path_size(astar)):
x, y = libtcodpy.path_get(astar, i)
while (x, y) != (None, None):
x, y = libtcodpy.path_walk(astar, False)
libtcodpy.path_delete(astar)
def create_path(self, gamemap_instance):
"""Creates the initial path_map, and then on subsequent calls uses that path_map to play."""
mymap = gamemap_instance.level
if not self.is_pathmap_created:
#Create the path map
self.path_map = libtcod.map_new(MAP_WIDTH, MAP_HEIGHT)
for x in range(1, MAP_WIDTH):
for y in range(1, MAP_HEIGHT):
libtcod.map_set_properties(self.path_map, x, y, not mymap[x][y].block_sight, not mymap[x][y].blocked)
self.is_pathmap_created = True
# now use the path map to create the path from the explorer's current position to another spot:
self.path = libtcod.path_new_using_map(self.path_map)
random_destination_x, random_destination_y = choose_random_unblocked_spot(mymap)
libtcod.path_compute(self.path, self.owner.x, self.owner.y, random_destination_x, random_destination_y)
originx, originy = libtcod.path_get_origin(self.path)
destx, desty = libtcod.path_get_destination(self.path)