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Checking for None when doing ball prediction to avoid errors. #48

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Merged
tarehart merged 1 commit into from
Dec 31, 2020
Merged

Checking for None when doing ball prediction to avoid errors. #48

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15 changes: 10 additions & 5 deletions src/bot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ def get_output(self, packet: GameTickPacket) -> SimpleControllerState:

# This is good to keep at the beginning of get_output. It will allow you to continue
# any sequences that you may have started during a previous call to get_output.
if self.active_sequence and not self.active_sequence.done:
if self.active_sequence is not None and not self.active_sequence.done:
controls = self.active_sequence.tick(packet)
if controls is not None:
return controls
Expand All @@ -42,14 +42,19 @@ def get_output(self, packet: GameTickPacket) -> SimpleControllerState:
car_velocity = Vec3(my_car.physics.velocity)
ball_location = Vec3(packet.game_ball.physics.location)

# By default we will chase the ball, but target_location can be changed later
target_location = ball_location

if car_location.dist(ball_location) > 1500:
# We're far away from the ball, let's try to lead it a little bit
ball_prediction = self.get_ball_prediction_struct() # This can predict bounces, etc
ball_in_future = find_slice_at_time(ball_prediction, packet.game_info.seconds_elapsed + 2)
target_location = Vec3(ball_in_future.physics.location)
self.renderer.draw_line_3d(ball_location, target_location, self.renderer.cyan())
else:
target_location = ball_location

# ball_in_future might be None if we don't have an adequate ball prediction right now, like during
# replays, so check it to avoid errors.
if ball_in_future is not None:
target_location = Vec3(ball_in_future.physics.location)
self.renderer.draw_line_3d(ball_location, target_location, self.renderer.cyan())

# Draw some things to help understand what the bot is thinking
self.renderer.draw_line_3d(car_location, target_location, self.renderer.white())
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