def check_parse_atoms(*atoms):
terms = []
for atom in atoms:
term = Term.from_atom_name(atom)
terms.append(term)
TestPrefixGdlStatementToPrologAtom.check_parse_statement(
term, atom)
TestPrefixGdlStatementToPrologAtom.check_parse_statements(
Term.from_list_terms(terms), '\n'.join(atoms))
def apply_moves(self, moves):
"""A new game state representing the game after a move is applied.
Returns a new state, this state is unchanged.
Args:
moves (dict) : Dict of `Role` => `Action`, one entry per role.
Returns:
GeneralGameState: The new game state.
"""
with Frame() as f:
game_id_term = self._game_id_term()
moves_term = Term.from_list_terms([
self._does_functor(Term.from_atom(role._atom),
action._term_record.get())
for (role, action) in moves.items()])
# prepare_moves(game_id, moves_term, PreparedMoves)
prepared_moves = f.term()
try:
self._prepare_moves_predicate(
game_id_term, moves_term, prepared_moves, check=True)
except PrologCallFailed:
raise ValueError(
'Invalid move set. Possibly not 1 move per role.')
# NewMoveHistory = [PreparedMoves | old_move_history]
new_move_history = Term.from_cons_list(prepared_moves,
self.move_history.get())
# truth_history(game_id, NewMoveHistory, old_truth_history,
# NewTruthHistory)
new_truth_history = f.term()
try:
self._truth_history_4_predicate(
game_id_term, new_move_history, self.truth_history.get(),
new_truth_history, check=True)
except PrologCallFailed:
raise ValueError('Invalid moves: {}'.format(
{str(role): str(action)
for role, action in moves.items()}))
# final_truth_state(NewTruthHistory, NewTruthState)
new_truth_state = f.term()
self._final_truth_state_predicate(
new_truth_history, new_truth_state, check=True)
return GeneralGameState(
game=self.game,
move_history_term=new_move_history,
truth_history_term=new_truth_history,
truth_state_term=new_truth_state,
)
