Files
Sarpy/bot/obs/advanced_obs.py
T
2023-09-25 20:37:02 +01:00

84 lines
2.5 KiB
Python

import math
import numpy as np
from typing import Any, List
from rlgym_compat import common_values
from rlgym_compat import PlayerData, GameState, PhysicsObject
class AdvancedObs:
POS_STD = 2300
ANG_STD = math.pi
def __init__(self):
super().__init__()
def reset(self, initial_state: GameState):
pass
def build_obs(self, player: PlayerData, state: GameState, previous_action: np.ndarray) -> Any:
if player.team_num == common_values.ORANGE_TEAM:
inverted = True
ball = state.inverted_ball
pads = state.inverted_boost_pads
else:
inverted = False
ball = state.ball
pads = state.boost_pads
obs = [ball.position / self.POS_STD,
ball.linear_velocity / self.POS_STD,
ball.angular_velocity / self.ANG_STD,
previous_action,
pads]
player_car = self._add_player_to_obs(obs, player, ball, inverted)
allies = []
enemies = []
for other in state.players:
if other.car_id == player.car_id:
continue
if other.team_num == player.team_num:
team_obs = allies
else:
team_obs = enemies
other_car = self._add_player_to_obs(team_obs, other, ball, inverted)
# Extra info
team_obs.extend([
(other_car.position - player_car.position) / self.POS_STD,
(other_car.linear_velocity - player_car.linear_velocity) / self.POS_STD
])
obs.extend(allies)
obs.extend(enemies)
return np.concatenate(obs)
def _add_player_to_obs(self, obs: List, player: PlayerData, ball: PhysicsObject, inverted: bool):
if inverted:
player_car = player.inverted_car_data
else:
player_car = player.car_data
rel_pos = ball.position - player_car.position
rel_vel = ball.linear_velocity - player_car.linear_velocity
obs.extend([
rel_pos / self.POS_STD,
rel_vel / self.POS_STD,
player_car.position / self.POS_STD,
player_car.forward(),
player_car.up(),
player_car.linear_velocity / self.POS_STD,
player_car.angular_velocity / self.ANG_STD,
[player.boost_amount,
int(player.on_ground),
int(player.has_flip),
int(player.is_demoed)]])
return player_car