missing goal fixes (#485)

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_coffee_push_v2.py

@@ -123,7 +123,7 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.model.body("coffee_machine").pos = pos_machine
 
         self._target_pos = pos_mug_goal
-        self.model.site("coffee_goal").pos = self._target_pos
+        self.model.site("mug_goal").pos = self._target_pos
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_plate_slide_back_side_v2.py

@@ -130,6 +130,8 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.model.body("puck_goal").pos = self.obj_init_pos
         self._set_obj_xyz(np.array([-0.15, 0.0]))
 
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_plate_slide_back_v2.py

@@ -108,6 +108,8 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.data.body("puck_goal").xpos = self._target_pos
         self._set_obj_xyz(np.array([0, 0.15]))
 
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_plate_slide_side_v2.py

@@ -108,6 +108,8 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.data.body("puck_goal").xpos = self._target_pos
         self._set_obj_xyz(np.zeros(2))
 
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_plate_slide_v2.py

@@ -112,6 +112,8 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.model.body("puck_goal").pos = self._target_pos
         self._set_obj_xyz(np.zeros(2))
 
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_reach_v2.py

@@ -125,7 +125,8 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.obj_init_pos = goal_pos[:3]
         self._set_obj_xyz(self.obj_init_pos)
 
-        self._set_pos_site("goal", self._target_pos)
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_reach_wall_v2.py

@@ -114,7 +114,7 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.obj_init_pos = goal_pos[:3]
 
         self._set_obj_xyz(self.obj_init_pos)
-        self._set_pos_site("goal", self._target_pos)
+        self.model.site("goal").pos = self._target_pos
         return self._get_obs()
 
     def compute_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_soccer_v2.py

@@ -117,7 +117,9 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.maxPushDist = np.linalg.norm(
             self.obj_init_pos[:2] - np.array(self._target_pos)[:2]
         )
-        self._set_pos_site("goal", self._target_pos)
+
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def _gripper_caging_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_stick_pull_v2.py

@@ -157,7 +157,9 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self._set_stick_xyz(self.stick_init_pos)
         self._set_obj_xyz(self.obj_init_qpos)
         self.obj_init_pos = self.get_body_com("object").copy()
-        self._set_pos_site("goal", self._target_pos)
+
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def _stick_is_inserted(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_stick_push_v2.py

@@ -154,7 +154,9 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self._set_stick_xyz(self.stick_init_pos)
         self._set_obj_xyz(self.obj_init_qpos)
         self.obj_init_pos = self.get_body_com("object").copy()
-        self._set_pos_site("goal", self._target_pos)
+
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def _gripper_caging_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_sweep_into_goal_v2.py

@@ -106,10 +106,7 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.obj_init_pos = np.concatenate([goal_pos[:2], [self.obj_init_pos[-1]]])
 
         self._set_obj_xyz(self.obj_init_pos)
-        self.maxPushDist = np.linalg.norm(
-            self.obj_init_pos[:2] - np.array(self._target_pos)[:2]
-        )
-        self._set_pos_site("goal", self._target_pos)
+        self.model.site("goal").pos = self._target_pos
         return self._get_obs()
 
     def _gripper_caging_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_sweep_v2.py

@@ -101,11 +101,7 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self._target_pos[1] = obj_pos.copy()[1]
 
         self._set_obj_xyz(self.obj_init_pos)
-        self.maxPushDist = np.linalg.norm(
-            self.get_body_com("obj")[:-1] - self._target_pos[:-1]
-        )
-        self.target_reward = 1000 * self.maxPushDist + 1000 * 2
-        self._set_pos_site("goal", self._target_pos)
+        self.model.site("goal").pos = self._target_pos
         return self._get_obs()
 
     def _gripper_caging_reward(

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_window_close_v2.py

@@ -117,7 +117,7 @@ def reset_model(self) -> npt.NDArray[np.float64]:
             [0.2, 0.0, 0.0]
         )
         self.data.joint("window_slide").qpos = 0.2
-        self._set_pos_site("goal", self._target_pos)
+        self.model.site("goal").pos = self._target_pos
         return self._get_obs()
 
     def _reset_hand(self, steps: int = 50) -> None:

metaworld/envs/mujoco/sawyer_xyz/v2/sawyer_window_open_v2.py

@@ -112,7 +112,9 @@ def reset_model(self) -> npt.NDArray[np.float64]:
         self.window_handle_pos_init = self._get_pos_objects()
         self.data.joint("window_slide").qpos = 0.0
         assert self._target_pos is not None
-        self._set_pos_site("goal", self._target_pos)
+
+        self.model.site("goal").pos = self._target_pos
+
         return self._get_obs()
 
     def compute_reward(