RoboWaiter/robowaiter/behavior_lib/act/PickUp.py

65 lines
2.3 KiB
Python

import py_trees as ptree
from typing import Any
from robowaiter.behavior_lib._base.Act import Act
from robowaiter.behavior_lib._base.Behavior import Status
class PickUp(Act):
can_be_expanded = True
num_args = 1
valid_args = Act.all_object
def __init__(self, *args):
super().__init__(*args)
self.target_obj = self.args[0]
@classmethod
def get_info(cls,arg):
info = {}
info["pre"] = {f'At(Robot,{arg})','Holding(Nothing)'}
info["add"] = {f'Holding({arg})'}
info["del_set"] = {f'Holding(Nothing)'}
for place in cls.valid_args:
info["del_set"] |= {f'On({arg},{place})'}
return info
def _update(self) -> ptree.common.Status:
# self.scene.test_move()
# op_type=16
# 遍历场景里的所有物品,根据名字匹配位置最近的 obj-id
# 是否用容器装好
if self.target_obj in Act.container_dic:
target_name = Act.container_dic[self.target_obj]
else:
target_name = self.target_obj
# 根据物体名字找到最近的这类物体对应的位置
obj_id = -1
min_dis = float('inf')
obj_dict = self.scene.status.objects
if len(obj_dict) != 0:
# 获取obj_id
for id, obj in enumerate(obj_dict):
if obj.name == target_name:
obj_info = obj_dict[id]
dis = self.scene.cal_distance_to_robot(obj_info.location.X, obj_info.location.Y,
obj_info.location.Z)
if dis < min_dis:
min_dis = dis
obj_id = id
# if self.target_place == "CoffeeCup":
# # obj_id = 273
# obj_id = 275
if obj_id == -1:
return ptree.common.Status.FAILURE
self.scene.move_task_area(op_type=16, obj_id=obj_id)
self.scene.op_task_execute(op_type=16, obj_id=obj_id)
if self.scene.take_picture:
self.scene.get_obstacle_point(self.scene.db, self.status, map_ratio=self.scene.map_ratio)
self.scene.state["condition_set"] |= (self.info["add"])
self.scene.state["condition_set"] -= self.info["del_set"]
return Status.RUNNING