Allows other values than NaN for unplayable levels in SMB (#196)

Author: miguelgondu

src/poli/objective_repository/super_mario_bros/isolated_function.py

@@ -66,12 +66,14 @@ def __init__(
         alphabet: List[str] = smb_info.alphabet,
         max_time: int = 30,
         visualize: bool = False,
+        value_on_unplayable: float = np.NaN,
     ):
         self.alphabet = alphabet
         self.alphabet_s_to_i = {s: i for i, s in enumerate(alphabet)}
         self.alphabet_i_to_s = {i: s for i, s in enumerate(alphabet)}
         self.max_time = max_time
         self.visualize = visualize
+        self.value_on_unplayable = value_on_unplayable
 
     def __call__(self, x: np.ndarray, context=None) -> np.ndarray:
         """Computes number of jumps in a given latent code x."""
@@ -95,7 +97,7 @@ def __call__(self, x: np.ndarray, context=None) -> np.ndarray:
             if res["marioStatus"] == 1:
                 jumps = res["jumpActionsPerformed"]
             else:
-                jumps = np.nan
+                jumps = self.value_on_unplayable
 
             jumps_for_all_levels.append(jumps)
 

src/poli/objective_repository/super_mario_bros/register.py

@@ -64,6 +64,7 @@ def __init__(
         self,
         max_time: int = 30,
         visualize: bool = False,
+        value_on_unplayable: float = np.NaN,
         batch_size: int = None,
         parallelize: bool = False,
         num_workers: int = None,
@@ -91,8 +92,9 @@ def __init__(
             evaluation_budget=evaluation_budget,
         )
         self.force_isolation = force_isolation
-        self.max_time = max_time
+        self.max_time = int(max_time)
         self.visualize = visualize
+        self.value_on_unplayable = value_on_unplayable
         _ = get_inner_function(
             isolated_function_name="super_mario_bros__isolated",
             class_name="SMBIsolatedLogic",
@@ -101,6 +103,7 @@ def __init__(
             alphabet=smb_info.alphabet,
             max_time=self.max_time,
             visualize=self.visualize,
+            value_on_unplayable=self.value_on_unplayable,
         )
 
     def _black_box(self, x: np.ndarray, context=None) -> np.ndarray:
@@ -114,6 +117,7 @@ def _black_box(self, x: np.ndarray, context=None) -> np.ndarray:
             alphabet=smb_info.alphabet,
             max_time=self.max_time,
             visualize=self.visualize,
+            value_on_unplayable=self.value_on_unplayable,
         )
         return inner_function(x, context)
 
@@ -142,6 +146,7 @@ def create(
         self,
         max_time: int = 30,
         visualize: bool = False,
+        value_on_unplayable: float = np.NaN,
         seed: int = None,
         batch_size: int = None,
         parallelize: bool = False,
@@ -182,6 +187,7 @@ def create(
         f = SuperMarioBrosBlackBox(
             max_time=max_time,
             visualize=visualize,
+            value_on_unplayable=value_on_unplayable,
             batch_size=batch_size,
             parallelize=parallelize,
             num_workers=num_workers,