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119 lines
3.2 KiB
119 lines
3.2 KiB
import numpy as np
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from metadrive.component.sensors.rgb_camera import RGBCamera
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from metadrive.component.sensors.base_camera import _cuda_enable
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from metadrive.component.map.pg_map import MapGenerateMethod
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from panda3d.core import Texture, GraphicsOutput
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from openpilot.tools.sim.bridge.common import SimulatorBridge
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from openpilot.tools.sim.bridge.metadrive.metadrive_world import MetaDriveWorld
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from openpilot.tools.sim.lib.camerad import W, H
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class CopyRamRGBCamera(RGBCamera):
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"""Camera which copies its content into RAM during the render process, for faster image grabbing."""
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.cpu_texture = Texture()
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self.buffer.addRenderTexture(self.cpu_texture, GraphicsOutput.RTMCopyRam)
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def get_rgb_array_cpu(self):
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origin_img = self.cpu_texture
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img = np.frombuffer(origin_img.getRamImage().getData(), dtype=np.uint8)
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img = img.reshape((origin_img.getYSize(), origin_img.getXSize(), -1))
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img = img[:,:,:3] # RGBA to RGB
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# img = np.swapaxes(img, 1, 0)
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img = img[::-1] # Flip on vertical axis
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return img
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class RGBCameraWide(CopyRamRGBCamera):
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def __init__(self, *args, **kwargs):
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super(RGBCameraWide, self).__init__(*args, **kwargs)
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lens = self.get_lens()
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lens.setFov(120)
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lens.setNear(0.1)
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class RGBCameraRoad(CopyRamRGBCamera):
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def __init__(self, *args, **kwargs):
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super(RGBCameraRoad, self).__init__(*args, **kwargs)
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lens = self.get_lens()
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lens.setFov(40)
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lens.setNear(0.1)
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def straight_block(length):
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return {
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"id": "S",
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"pre_block_socket_index": 0,
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"length": length
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}
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def curve_block(length, angle=45, direction=0):
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return {
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"id": "C",
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"pre_block_socket_index": 0,
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"length": length,
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"radius": length,
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"angle": angle,
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"dir": direction
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}
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def create_map(track_size=60):
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return dict(
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type=MapGenerateMethod.PG_MAP_FILE,
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lane_num=2,
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lane_width=3.5,
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config=[
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None,
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straight_block(track_size),
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curve_block(track_size*2, 90),
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straight_block(track_size),
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curve_block(track_size*2, 90),
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straight_block(track_size),
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curve_block(track_size*2, 90),
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straight_block(track_size),
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curve_block(track_size*2, 90),
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]
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)
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class MetaDriveBridge(SimulatorBridge):
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TICKS_PER_FRAME = 5
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def __init__(self, args):
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self.should_render = False
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super(MetaDriveBridge, self).__init__(args)
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def spawn_world(self):
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sensors = {
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"rgb_road": (RGBCameraRoad, W, H, )
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}
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if self.dual_camera:
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sensors["rgb_wide"] = (RGBCameraWide, W, H)
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config = dict(
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use_render=self.should_render,
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vehicle_config=dict(
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enable_reverse=False,
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image_source="rgb_road",
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),
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sensors=sensors,
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image_on_cuda=_cuda_enable,
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image_observation=True,
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interface_panel=[],
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out_of_route_done=False,
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on_continuous_line_done=False,
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crash_vehicle_done=False,
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crash_object_done=False,
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traffic_density=0.0, # traffic is incredibly expensive
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map_config=create_map(),
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decision_repeat=1,
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physics_world_step_size=self.TICKS_PER_FRAME/100,
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preload_models=False
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)
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return MetaDriveWorld(config, self.dual_camera)
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