added new mp wrappers to all environments

alr_envs/alr/classic_control/hole_reacher/new_mp_wrapper.py

@@ -0,0 +1,31 @@
+from typing import Tuple, Union
+
+import numpy as np
+
+from alr_envs.mp.raw_interface_wrapper import RawInterfaceWrapper
+
+
+class NewMPWrapper(RawInterfaceWrapper):
+
+    def get_context_mask(self):
+        return np.hstack([
+            [self.env.random_start] * self.env.n_links,  # cos
+            [self.env.random_start] * self.env.n_links,  # sin
+            [self.env.random_start] * self.env.n_links,  # velocity
+            [self.env.initial_width is None],  # hole width
+            # [self.env.hole_depth is None],  # hole depth
+            [True] * 2,  # x-y coordinates of target distance
+            [False]  # env steps
+        ])
+
+    @property
+    def current_pos(self) -> Union[float, int, np.ndarray, Tuple]:
+        return self.env.current_pos
+
+    @property
+    def current_vel(self) -> Union[float, int, np.ndarray, Tuple]:
+        return self.env.current_vel
+
+    @property
+    def dt(self) -> Union[float, int]:
+        return self.env.dt