unrealxr/render.py

129 lines
4.2 KiB
Python

import time
import math
from loguru import logger
import PyEvdi
import pyray
from libunreal import UnrealXRDisplayMetadata, MCUCallbackWrapper, start_mcu_event_listener
previous_pitch = 0.0
previous_yaw = 0.0
previous_roll = 0.0
current_pitch = 0.0
current_yaw = 0.0
current_roll = 0.0
has_gotten_pitch_callback_before = False
has_gotten_yaw_callback_before = False
has_gotten_roll_callback_before = False
def pitch_callback(new_pitch: float):
global current_pitch
global previous_pitch
global has_gotten_pitch_callback_before
if not has_gotten_pitch_callback_before:
has_gotten_pitch_callback_before = True
previous_pitch = new_pitch
current_pitch = new_pitch
else:
previous_pitch = current_pitch
current_pitch = new_pitch
def yaw_callback(new_yaw: float):
global current_yaw
global previous_yaw
global has_gotten_yaw_callback_before
if not has_gotten_yaw_callback_before:
has_gotten_yaw_callback_before = True
previous_yaw = new_yaw
current_yaw = new_yaw
else:
previous_yaw = current_yaw
current_yaw = new_yaw
def roll_callback(new_roll: float):
global current_roll
global previous_roll
global has_gotten_roll_callback_before
if not has_gotten_roll_callback_before:
has_gotten_roll_callback_before = True
previous_roll = new_roll
roll = new_roll
else:
previous_roll = current_roll
current_roll = new_roll
def text_message(message: str):
logger.debug(f"Got message from AR's MCU: {message}")
def stub_brightness_function(brightness: int):
pass
def render_loop(display_metadata: UnrealXRDisplayMetadata, cards: list[PyEvdi.Card]):
logger.info("Starting sensor event listener")
mcu_callbacks = MCUCallbackWrapper(roll_callback, pitch_callback, yaw_callback, text_message, stub_brightness_function, stub_brightness_function)
start_mcu_event_listener(display_metadata.device_vendor, mcu_callbacks)
logger.info("Beginning sensor initialization. Awaiting first sensor update")
while (not has_gotten_pitch_callback_before) or (not has_gotten_yaw_callback_before) or (not has_gotten_roll_callback_before):
time.sleep(0.01)
logger.info("Initialized sensors")
camera = pyray.Camera3D()
camera.position = pyray.Vector3(10.0, 10.0, 10.0)
camera.target = pyray.Vector3(0.0, 0.0, 0.0)
camera.up = pyray.Vector3(0.0, 1.0, 0.0)
camera.fovy = 45.0
camera.projection = pyray.CameraProjection.CAMERA_PERSPECTIVE
cube_position = pyray.Vector3(0.0, 0.0, 0.0)
movement_vector = pyray.Vector3()
look_vector = pyray.Vector3()
has_z_vector_disabled_quirk = False
has_sensor_init_delay_quirk = False
sensor_init_start_time = time.time()
if "z_vector_disabled" in display_metadata.device_quirks:
logger.warning("QUIRK: The Z vector has been disabled for your specific device")
has_z_vector_disabled_quirk = True
if "sensor_init_delay" in display_metadata.device_quirks:
logger.warning(f"QUIRK: Waiting {str(display_metadata.device_quirks["sensor_init_delay"])} second(s) before reading sensors")
logger.warning("|| MOVEMENT WILL NOT BE OPERATIONAL DURING THIS TIME. ||")
sensor_init_start_time = time.time()
has_sensor_init_delay_quirk = True
while not pyray.window_should_close():
if has_sensor_init_delay_quirk:
if time.time() - sensor_init_start_time >= int(display_metadata.device_quirks["sensor_init_delay"]):
# Unset the quirk state
logger.info("Movement is now enabled.")
has_sensor_init_delay_quirk = False
else:
look_vector.x = (current_yaw-previous_yaw)*6.5
look_vector.y = (current_pitch-previous_pitch)*6.5
if not has_z_vector_disabled_quirk:
look_vector.z = (current_roll-previous_roll)*6.5
pyray.update_camera_pro(camera, movement_vector, look_vector, 0.0)
pyray.begin_drawing()
pyray.clear_background(pyray.BLACK)
pyray.begin_mode_3d(camera)
pyray.draw_cube(cube_position, 2.0, 2.0, 2.0, pyray.ORANGE)
pyray.end_mode_3d()
pyray.end_drawing()
logger.info("Goodbye!")
pyray.close_window()