def two_edges_are_one(self, edge_1, edge_2):
"""
Checks if the two edges are actually a single edge.
:return: True if edges are 100% the same one
"""
eq1 = LineEquation(slope=edge_1[3].slope,
const=edge_1[3].const,
edge1=edge_1[0],
edge2=edge_1[1])
eq2 = LineEquation(slope=edge_2[3].slope,
const=edge_2[3].const,
edge1=edge_2[0],
edge2=edge_2[1])
# Check collision point
collision_point = LineEquation.get_equation_collision_point(eq1, eq2)
GLogger.log(logging.DEBUG, Utils.format_log_msg("Found collision point of both edges", point=collision_point, eq1=eq1, eq2=eq2))
if collision_point == LINES_ALWAYS_MEET:
# Lines have the same slope + const. Big change they are the same one.
if LineEquation.check_collision_point(eq1, eq2):
GLogger.log(logging.DEBUG, "Lines meet and intersect with each other - They are the same line")
return True
else:
GLogger.log(logging.DEBUG, "Lines have the same parameters but we are not sure if they meet")
return False
return False
def test_trim_data(self, mock_utils):
mock_utils.graph_config_data = None
mock_utils.game_config_data = {'Default': {'log_level': 'ERROR'}}
Utils.read_game_config_file(path.join("..", CONFIG_FILE_PATH))
Utils.read_graph_config_file(path.join("..", GRAPH_CONFIG_PATH))
data_handler = GameDataHandler(path.join("../", "graph_config.txt"),
None)
data_handler.graph.add_node(self.node_1_real.x,
self.node_1_real.y,
serial=self.node_1_real.serial_num)
data_handler.graph.add_node(self.node_2_unreal.x,
self.node_2_unreal.y,
serial=self.node_2_unreal.serial_num)
data_handler.graph.add_node(self.node_2_unreal_moved.x,
self.node_2_unreal_moved.y,
serial=self.node_2_unreal_moved.serial_num)
data_handler.graph.add_node(self.node_3_unreal.x,
self.node_3_unreal.y,
serial=self.node_3_unreal.serial_num)
data_handler.graph.add_node(self.node_3_unreal_moved.x,
self.node_3_unreal_moved.y,
serial=self.node_3_unreal_moved.serial_num)
data_handler.graph.add_node(self.node_4_real.x,
self.node_4_real.y,
serial=self.node_4_real.serial_num)
edge_1 = (self.node_1_real, self.node_2_unreal_moved, 1,
LineEquation(slope=1,
const=0,
edge1=self.node_1_real,
edge2=self.node_2_unreal_moved))
edge_2 = (self.node_2_unreal, self.node_3_unreal_moved, 1,
LineEquation(slope=1,
const=0,
edge1=self.node_2_unreal,
edge2=self.node_3_unreal_moved))
edge_3 = (self.node_3_unreal, self.node_4_real, 1,
LineEquation(slope=1,
const=0,
edge1=self.node_3_unreal,
edge2=self.node_4_real))
edge_4 = (self.node_1_real, self.node_4_real, 1,
LineEquation(slope=1,
const=0,
edge1=self.node_1_real,
edge2=self.node_4_real))
data_handler.extra_edges = [edge_1, edge_2, edge_3]
data_handler.trim_data()
self.assertEquals(len(data_handler.edges_to_add), 1)
self.assertEquals(data_handler.edges_to_add[0][0].serial_num,
edge_4[0].serial_num)
self.assertEquals(data_handler.edges_to_add[0][1].serial_num,
edge_4[1].serial_num)
def connect_edges(self, edge_1, edge_2):
"""
The longest distance in an edge is the distance between the real nodes of that edge.
We clean all existing connections and then connect the two nodes that are furthest from each other.
:param edge_1, edge_2: An edge defined by a tuple of NodeObjects
:returns the new edge created
"""
# Cleaning all existing connection
# self.log.debug("Connecting edges", edge1=edge_1, edge2=edge_2)
if edge_1 in self.extra_edges:
GLogger.log(logging.DEBUG, "Removing edge from extra edges", removed_edge=edge_1)
self.extra_edges.remove(edge_1)
if edge_2 in self.extra_edges:
GLogger.log(logging.DEBUG, "Removing edge from extra edges", removed_edge=edge_2)
self.extra_edges.remove(edge_2)
if edge_1[0] is None or edge_1[1] is None or edge_2[0] is None or edge_2[1] is None:
raise Exception("Cleaning Nodes failed - At least one of the nodes does not exist")
self.clean_connection(edge_1[0], edge_1[1])
self.clean_connection(edge_1[1], edge_1[0])
if edge_2[0] != edge_1[0] or edge_2[1] != edge_2[1]:
self.clean_connection(edge_2[0], edge_2[1])
self.clean_connection(edge_2[1], edge_2[0])
node_1_serial, node_2_serial = self.get_furthest_nodes(edge_1[0], edge_1[1], edge_2[0], edge_2[1])
node_1 = self.graph.get_node_by_serial(node_1_serial)
node_2 = self.graph.get_node_by_serial(node_2_serial)
# connect the right nodes
self.connect_nodes(node_1, node_2)
if node_1.x < node_2.x:
new_edge = (node_1, node_2, edge_1[2], LineEquation(slope=edge_1[3].slope,
const=edge_1[3].const,
edge1=node_1,
edge2=node_2))
else:
new_edge = (node_2, node_1, edge_1[2], LineEquation(slope=edge_1[3].slope,
const=edge_1[3].const,
edge1=node_2,
edge2=node_1))
#self.edges_to_add.append(new_edge)
return new_edge
def get_partly_visible_edge(self, edge, top, bottom, left, right, node,
edge_equation):
"""
:param edge: an edge that can be seen onscreen but where at least one node is not visible
:param top: equation representing the top border of the screen
:param bottom: equation representing the bottom border of the screen
:param left: equation representing the left border of the screen
:param right: equation representing the right border of the screen
:param node: the visible node connected to the edge, or None if no node is visible
:param edge_equation: the equation of the checked edge
:return: A tuple containing two NodeObjects, each representing a one of the edge's nodes, the edge's slope and
the edge's equation. If one of the edge's nodes is not onscreen, the x,y coordinates represent the intersection
between the edge and the screen, a new serial is created, size is set to 0 and real is set to False.
"""
first_node = None
second_node = None
if node:
first_node = self.original_graph.get_node_by_serial(node.serial)
# check if edge collides with top border
if LineEquation.check_collision_point(edge_equation, top):
col_point = LineEquation.get_equation_collision_point(
edge_equation, top)
location = {'x': round(col_point.x, 2), 'y': round(col_point.y, 2)}
if first_node is not None:
second_node = NodeObject(serial=get_serial(),
location=location,
size=0)
second_node.real = False
else:
first_node = NodeObject(serial=get_serial(),
location=location,
size=0)
first_node.real = False
# check if edge collides with bottom border
if LineEquation.check_collision_point(edge_equation, bottom):
col_point = LineEquation.get_equation_collision_point(
edge_equation, bottom)
location = {'x': round(col_point.x, 2), 'y': round(col_point.y, 2)}
if first_node is not None:
second_node = NodeObject(serial=get_serial(),
location=location,
size=0)
second_node.real = False
else:
first_node = NodeObject(serial=get_serial(),
location=location,
size=0)
first_node.real = False
# check if edge collides with left border
if LineEquation.check_collision_point(edge_equation, left):
col_point = LineEquation.get_equation_collision_point(
edge_equation, left)
location = {'x': round(col_point.x, 2), 'y': round(col_point.y, 2)}
if first_node is not None:
second_node = NodeObject(serial=get_serial(),
location=location,
size=0)
second_node.real = False
else:
first_node = NodeObject(serial=get_serial(),
location=location,
size=0)
first_node.real = False
# check if edge collides with right border
if LineEquation.check_collision_point(edge_equation, right):
col_point = LineEquation.get_equation_collision_point(
edge_equation, right)
location = {'x': round(col_point.x, 2), 'y': round(col_point.y, 2)}
if first_node is not None:
second_node = NodeObject(serial=get_serial(),
location=location,
size=0)
second_node.real = False
else:
first_node = NodeObject(serial=get_serial(),
location=location,
size=0)
first_node.real = False
if second_node is None:
if first_node is None:
return None
else:
raise Exception(
"Only One viable node for onscreen edge: {}".format(
edge.print_by_serial()))
min_dist = edge.node1.get_radius() / 2
if first_node.distance(second_node) < min_dist:
return None
if first_node.x < second_node.x:
curr_edge = (first_node, second_node, edge.slope, edge_equation)
else:
curr_edge = (second_node, first_node, edge.slope, edge_equation)
return curr_edge
def get_onscreen_edges(self, graph_edges, graph_corners):
"""
Function goes over the list of edges in the graph and checks which ones are displayed onscreen
:return: A list representing the edges that are at least partially displayed onscreen. Each edge is represented
by a tuple containing the edge's nodes, the edge's original slope and the edge's equation. If one of
the nodes is not onscreen, a new NodeObject is created where the x,y coordinates represent the
intersection between the edge and the screen, a new serial is created, size is set to 0 and real is
set to False.
"""
# create equations representing the screen's boarders
top_left = Point(graph_corners["top_left"].get_x(),
graph_corners["top_left"].get_y())
top_right = Point(graph_corners["top_right"].get_x() + 0.001,
graph_corners["top_right"].get_y())
bottom_left = Point(graph_corners["bottom_left"].get_x() + 0.001,
graph_corners["bottom_left"].get_y())
bottom_right = Point(graph_corners["bottom_right"].get_x(),
graph_corners["bottom_right"].get_y())
top = LineEquation.create_equation(top_left, top_right)
bottom = LineEquation.create_equation(bottom_left, bottom_right)
left = LineEquation.create_equation(bottom_left, top_left)
right = LineEquation.create_equation(bottom_right, top_right)
displayed_edges = []
for edge in graph_edges:
real_node1 = self.original_graph.get_node_by_serial(
edge.node1.serial)
real_node2 = self.original_graph.get_node_by_serial(
edge.node2.serial)
point1 = Point(real_node1.x, real_node1.y)
point2 = Point(real_node2.x, real_node2.y)
edge_equation = LineEquation.create_equation(point1, point2)
edge.set_slope(edge_equation)
if self.is_node_onscreen(edge.node1, graph_corners):
if self.is_node_onscreen(edge.node2, graph_corners):
# both of edge's node are onscreen
if edge.node1.get_x() < edge.node2.get_x():
curr_edge = (real_node1, real_node2, edge.slope,
edge_equation)
else:
curr_edge = (real_node2, real_node1, edge.slope,
edge_equation)
else:
# only the edge's first node in onscreen
curr_edge = self.get_partly_visible_edge(
edge, top, bottom, left, right, edge.node1,
edge_equation)
elif self.is_node_onscreen(edge.node2, graph_corners):
# only the edge's second node is onscreen
curr_edge = self.get_partly_visible_edge(
edge, top, bottom, left, right, edge.node2, edge_equation)
else:
# neither of the edge's nodes are onscreen
curr_edge = self.get_partly_visible_edge(
edge, top, bottom, left, right, None, edge_equation)
if curr_edge is not None:
displayed_edges.append(curr_edge)
return displayed_edges
def test_connect_edges_advanced(self, mock_get_node_by_serial, mock_clean,
mock_connect, mock_utils):
def mock_get_node(serial):
for node in self.node_list:
if node.serial_num == serial:
return node
return None
# Assemble
mock_get_node_by_serial.side_effect = mock_get_node
mock_utils.graph_config_data = None
mock_utils.game_config_data = {'Default': {'log_level': 'ERROR'}}
data_handler = GameDataHandler(None, None)
edge_two_real_14 = (self.node_1_real, self.node_4_real,
self.node_1_real.slope(self.node_4_real),
LineEquation(slope=self.node_1_real.slope(
self.node_4_real),
const=1,
edge1=self.node_1_real,
edge2=self.node_4_real))
edge_left_real_13 = (self.node_1_real, self.node_3_unreal,
self.node_1_real.slope(self.node_3_unreal),
LineEquation(slope=self.node_1_real.slope(
self.node_3_unreal),
const=1,
edge1=self.node_1_real,
edge2=self.node_3_unreal))
edge_left_real_12 = (self.node_1_real, self.node_2_unreal,
self.node_1_real.slope(self.node_2_unreal),
LineEquation(slope=self.node_1_real.slope(
self.node_2_unreal),
const=1,
edge1=self.node_1_real,
edge2=self.node_2_unreal))
edge_right_real_24 = (self.node_2_unreal, self.node_4_real,
self.node_2_unreal.slope(self.node_4_real),
LineEquation(slope=self.node_2_unreal.slope(
self.node_4_real),
const=1,
edge1=self.node_2_unreal,
edge2=self.node_4_real))
edge_two_unreal_23 = (self.node_2_unreal, self.node_3_unreal,
self.node_2_unreal.slope(self.node_3_unreal),
LineEquation(slope=self.node_2_unreal.slope(
self.node_3_unreal),
const=1,
edge1=self.node_2_unreal,
edge2=self.node_3_unreal))
edge_two_unreal_13 = (self.node_1_unreal, self.node_3_unreal,
self.node_1_unreal.slope(self.node_3_unreal),
LineEquation(slope=self.node_1_unreal.slope(
self.node_3_unreal),
const=1,
edge1=self.node_1_unreal,
edge2=self.node_3_unreal))
# Act + Assert
# Case 1 - One edge is connected to two real nodes. Other edge only connects to one real node and the other
# to a fake node
edge = data_handler.connect_edges(edge_two_real_14, edge_left_real_13)
mock_connect.assert_called_with(self.node_1_real, self.node_4_real)
self.assertEquals(edge_two_real_14[3].edge1, edge[3].edge1)
self.assertEquals(edge_two_real_14[3].edge2, edge[3].edge2)
# Case 2 - Both edges each connect to one real node and one fake node. Both real nodes are different
edge = data_handler.connect_edges(edge_left_real_13,
edge_right_real_24)
self.assertEquals(edge_two_real_14[3].edge1, edge[3].edge1)
self.assertEquals(edge_two_real_14[3].edge2, edge[3].edge2)
# Case 3 - Both edges connect to the same real node. Both edge's other node is different fake one
edge = data_handler.connect_edges(edge_left_real_13, edge_left_real_12)
mock_connect.assert_called_with(self.node_1_real, self.node_3_unreal)
self.assertEquals(edge_left_real_13[3].edge1, edge[3].edge1)
self.assertEquals(edge_left_real_13[3].edge2, edge[3].edge2)
# Case 4 - One edge is connected to a real node and to a fake node. Other edge connects to two fake nodes.
edge = data_handler.connect_edges(edge_left_real_12,
edge_two_unreal_23)
mock_connect.assert_called_with(self.node_1_real, self.node_3_unreal)
self.assertEquals(edge_left_real_13[3].edge1, edge[3].edge1)
self.assertEquals(edge_left_real_13[3].edge2, edge[3].edge2)
# Case 5 - Both edge have two fake nodes.
edge = data_handler.connect_edges(edge_two_unreal_13,
edge_two_unreal_23)
mock_connect.assert_called_with(self.node_1_unreal, self.node_3_unreal)
self.assertEquals(edge_two_unreal_13[3].edge1, edge[3].edge1)
self.assertEquals(edge_two_unreal_13[3].edge2, edge[3].edge2)
def test_two_edges_are_one(self, mock_utils):
# Assemble
node_1 = NodeObject(serial=1,
location={
'x': 100,
'y': 100
},
size=1,
real=True)
node_2 = NodeObject(serial=2,
location={
'x': 200,
'y': 200
},
size=1,
real=True)
node_3 = NodeObject(serial=3,
location={
'x': 300,
'y': 300
},
size=1,
real=True)
node_4 = NodeObject(serial=4,
location={
'x': 400,
'y': 400
},
size=1,
real=True)
node_5 = NodeObject(serial=4,
location={
'x': 100,
'y': 400
},
size=1,
real=True)
mock_utils.graph_config_data = None
mock_utils.game_config_data = {'Default': {'log_level': 'ERROR'}}
data_handler = GameDataHandler(None, None)
edge_35 = (node_3, node_5, node_3.slope(node_5),
LineEquation(slope=node_3.slope(node_5),
const=1,
edge1=node_3,
edge2=node_5))
edge_24 = (node_2, node_4, node_2.slope(node_4),
LineEquation(slope=node_2.slope(node_4),
const=1,
edge1=node_2,
edge2=node_4))
edge_12 = (node_1, node_2, node_1.slope(node_2),
LineEquation(slope=node_1.slope(node_2),
const=1,
edge1=node_1,
edge2=node_2))
edge_13 = (node_1, node_3, node_1.slope(node_3),
LineEquation(slope=node_1.slope(node_3),
const=1,
edge1=node_1,
edge2=node_3))
edge_34 = (node_3, node_4, node_3.slope(node_4),
LineEquation(slope=node_3.slope(node_4),
const=1,
edge1=node_3,
edge2=node_4))
# Act
res_miss = data_handler.two_edges_are_one(edge_35, edge_24)
res_not_sure = data_handler.two_edges_are_one(edge_12, edge_34)
res_hit = data_handler.two_edges_are_one(edge_13, edge_24)
res_hit_same_point = data_handler.two_edges_are_one(edge_12, edge_13)
res_same_edge = data_handler.two_edges_are_one(edge_12, edge_12)
# Assert
self.assertFalse(res_not_sure)
self.assertFalse(res_miss)
self.assertTrue(res_hit)
self.assertTrue(res_hit_same_point)
self.assertTrue(res_same_edge)