49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
"""
|
|
Copyright 2019 Richard Feistenauer
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
"""
|
|
|
|
import abc
|
|
import cellular_automaton.cellular_automaton.neighborhood as neighbour
|
|
|
|
|
|
class Rule:
|
|
def __init__(self, neighborhood_: neighbour.Neighborhood):
|
|
self._neighborhood = neighborhood_
|
|
|
|
def _get_neighbor_by_relative_coordinate(self, neighbours, rel_coordinate):
|
|
return neighbours[self._neighborhood.get_neighbor_id_from_rel(rel_coordinate)]
|
|
|
|
@abc.abstractmethod
|
|
def evolve_cell(self, last_cell_state, neighbors_last_states):
|
|
""" Calculates and sets new state of 'cell'.
|
|
:param last_cell_state: The cells current state to calculate new state for.
|
|
:param neighbors_last_states: The cells neighbors current states.
|
|
:return: New state.
|
|
A cells evolution will only be called if it or at least one of its neighbors has changed last evolution_step cycle.
|
|
"""
|
|
return last_cell_state
|
|
|
|
@abc.abstractmethod
|
|
def init_state(self, cell_coordinate):
|
|
""" Set the initial state for the cell with the given coordinate.
|
|
:param cell_coordinate: Cells coordinate.
|
|
:return: Iterable that represents the state
|
|
"""
|
|
return [0]
|
|
|
|
@abc.abstractmethod
|
|
def get_state_draw_color(self, current_state):
|
|
return [0, 0, 0]
|