Normalizes mouse action space for gym checker

minetester/minetest_env.py

@@ -148,10 +148,10 @@ def _configure_spaces(self):
  **{key: gym.spaces.Discrete(2) for key in KEY_MAP.keys()},
  **{
  "MOUSE": gym.spaces.Box(
- np.array([-self.max_mouse_move_x, -self.max_mouse_move_y]),
- np.array([self.max_mouse_move_x, self.max_mouse_move_y]),
+ np.array([-1, -1]),
+ np.array([1, 1]),
  shape=(2,),
- dtype=int,
+ dtype=float,
  ),
  },
  },
@@ -417,6 +417,9 @@ def step(self, action: Dict[str, Any]):
  # Send action
  if isinstance(action["MOUSE"], np.ndarray):
  action["MOUSE"] = action["MOUSE"].tolist()
+ # Scale mouse action according to screen ratio
+ action["MOUSE"][0] = int(action["MOUSE"][0] * self.max_mouse_move_x)
+ action["MOUSE"][1] = int(action["MOUSE"][1] * self.max_mouse_move_y)
  logging.debug("Sending action: {}".format(action))
  pb_action = pack_pb_action(action)
  self.socket.send(pb_action.SerializeToString())

minetester/scripts/gymnasium_api_check.py

@@ -1,6 +1,11 @@
+import minetester
 import gymnasium as gym
 from gymnasium.utils.env_checker import check_env
 
 env = gym.make("Minetest-v0")
 
-check_env(env.unwrapped)
+# Note: render check is skipped because it creates
+# a new environment for each render_mode without incrementing
+# the environment and server ports
+# TODO implement automatic port incrementation and check render
+check_env(env.unwrapped, skip_render_check=True)