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fix error of NoneType _synthetic_init_grid #40

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fix error of NoneType _synthetic_init_grid #40

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15 changes: 12 additions & 3 deletions gridworld/env.py
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Original file line number Diff line number Diff line change
Expand Up @@ -229,7 +229,13 @@ def reset(self):
# blocks to remove have negative ids.
'', target_grid=self._task.target_grid - self._synthetic_init_grid
)
self._synthetic_task.reset()
else:
self._synthetic_task = Task(
# create a synthetic task with only diff blocks.
# blocks to remove have negative ids.
'', target_grid=self._task.target_grid
)
self._synthetic_task.reset()

for block in set(self.world.placed):
self.world.remove_block(block)
Expand Down Expand Up @@ -286,8 +292,11 @@ def step(self, action):
obs['dialog'] = self._task.chat
if self.vector_state:
obs['grid'] = self.grid.copy().astype(np.int32)
obs['agentPos'] = np.array([x, y, z, pitch, yaw], dtype=np.float32)
synthetic_grid = self.grid - self._synthetic_init_grid
obs['agentPos'] = np.array([x, y, z, pitch, yaw], dtype=np.float32)
if self._synthetic_init_grid is not None:
synthetic_grid = self.grid - self._synthetic_init_grid
else:
synthetic_grid = self.grid
right_placement, wrong_placement, done = self._synthetic_task.step_intersection(synthetic_grid)
done = done or (self.step_no == self.max_steps)
if right_placement == 0:
Expand Down