def test_empirical_occlusion(self):
from shapely.occlusion import occlusion
mpos_x, mpos_y = 0, 0
sight_triangle_width, sight_triangle_height = 100, 100
sight_polygon_coords = [[mpos_x, mpos_y], [mpos_x - sight_triangle_width/2, mpos_y + sight_triangle_height], [mpos_x + sight_triangle_width/2, mpos_y + sight_triangle_height]]
res1, _useless = occlusion(0, 0, sight_polygon_coords, [0, 10, 0, 18, 8, 18, 8, 10], 8)
res2, _useless = occlusion(0, 0, sight_polygon_coords, [], 0)
res3, _useless = occlusion(0, 0, sight_polygon_coords, [12, 0, 12, 8, 20, 8, 20, 0], 8)
self.assertTrue(res1 != res2 and res1 != res3 and res2 == res3, "Those three executions of occlusion() should have returned different results for res1 and res2 but same for res2 and res3")
def test_empirical_occlusion(self):
from shapely.occlusion import occlusion
mpos_x, mpos_y = 0, 0
sight_triangle_width, sight_triangle_height = 100, 100
sight_polygon_coords = [[mpos_x, mpos_y],
[
mpos_x - sight_triangle_width / 2,
mpos_y + sight_triangle_height
],
[
mpos_x + sight_triangle_width / 2,
mpos_y + sight_triangle_height
]]
res1, _useless = occlusion(0, 0, sight_polygon_coords,
[0, 10, 0, 18, 8, 18, 8, 10], 8)
res2, _useless = occlusion(0, 0, sight_polygon_coords, [], 0)
res3, _useless = occlusion(0, 0, sight_polygon_coords,
[12, 0, 12, 8, 20, 8, 20, 0], 8)
self.assertTrue(
res1 != res2 and res1 != res3 and res2 == res3,
"Those three executions of occlusion() should have returned different results for res1 and res2 but same for res2 and res3"
)
def step(self):
# TODO: Maybe re-write the following lines, for a better handling of
# game termination.
if self.auto_mode and self.__game_finished():
self.end_of_game()
return
# Update players' positions and visions
for p in self.__players:
normalized_array = self.__get_normalized_direction_vector_from_angle(p.move_angle)
self.__move_player(p, normalized_array[0] * p.speedx, normalized_array[1] * p.speedy)
p.obstacles_in_sight = []
p.obstacles_in_sight_n = 0
# ------- Update player's sight -------
# Parametrize things for occlusion (get obstacles that need to be taken into account by occlusion)
sight_direction = self.__get_normalized_direction_vector_from_angle(p.sight_angle) * p.sight_range
# A bit bruteforce here, let's use a circle instead of the real shaped vision
# Just because there won't be many items to go through anyway
# and for simplicity's and implementation speed's sakes
y_start = max(0, p.posy - p.sight_range)
y_end = min(self.slmap.max_y, p.posy + p.sight_range)
x_start = max(0, p.posx - p.sight_range)
x_end = min(self.slmap.max_x, p.posx + p.sight_range)
row_start = utils.norm_to_cell(y_start)
row_end = utils.norm_to_cell(y_end)
col_start = utils.norm_to_cell(x_start)
col_end = utils.norm_to_cell(x_end)
vect = ((x_start, y_start), (x_end, y_end))
self.__for_obstacle_in_range(vect, self.__occlusion_get_obstacle_in_range_callback, player=p)
p.compute_sight_polygon_coords()
# Launch occlusion
p.sight_vertices, p.occlusion_polygon = occlusion(p.posx, p.posy, p.sight_polygon_coords, p.obstacles_in_sight, p.obstacles_in_sight_n)
# ---------- Update player's visible objects list ----------
# Note: Here we only go through the visible objects that are in a given range, not through all of them
# We will go through the complete list, in order to update them, later in this method
del p.visible_objects[:] # Empty the list
for row in xrange(row_start, row_end+1):
for col in xrange(col_start, col_end+1):
try:
for item in self.__actionable_items[self.__map_item_key_from_row_col(row, col)]:
if p.occlusion_polygon.intersects(item.geometric_point):
p.add_new_visible_object(item)
except KeyError:
pass # There was nothing at this (row,col) position...
try:
for item in self.__proximity_objects[self.__map_item_key_from_row_col(row, col)]:
if p.occlusion_polygon.intersects(item.geometric_point):
p.add_new_visible_object(item)
except KeyError:
pass # There was nothing at this (row,col) position...
# ---------- Update player's visible players list ----------
del p.visible_players[:] # Empty the list
# Re-populate it
for p2 in self.__players:
if p2 is p:
continue # Do not include ourself in visible objects
if p.occlusion_polygon.intersects(p2.hitbox):
p.visible_players.append((p2.player_id, p2.posx, p2.posy, p2.move_angle))
# end of by player loop
# Now go through all of the visible items to update them
for row in xrange(0, self.slmap.height):
for col in xrange(0, self.slmap.width):
try:
for item in self.__actionable_items[self.__map_item_key_from_row_col(row, col)]:
item.update()
except KeyError:
pass # There was nothing at this (row,col) position...
try:
for item in self.__proximity_objects[self.__map_item_key_from_row_col(row, col)]:
item.update()
# Try to activate the proximity object on this player
for p_ in self.__players:
item.activate(p_)
except KeyError:
pass # There was nothing at this (row,col) position...