106 lines
4.4 KiB
Python
106 lines
4.4 KiB
Python
"""
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Copyright 2019 Richard Feistenauer
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import pygame
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import time
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import operator
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import cellular_automaton.cellular_automaton._automaton as automaton
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class _CASurface:
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def __init__(self, grid_rect: pygame.Rect, cellular_automaton: automaton.CellularAutomatonProcessor, screen):
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self._cellular_automaton = cellular_automaton
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self.__rect = grid_rect
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self.__cell_size = self._calculate_cell_display_size()
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self.__screen = screen
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def _calculate_cell_display_size(self):
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grid_dimension = self._cellular_automaton.get_dimension()
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return [self.__rect.width / grid_dimension[0], self.__rect.height / grid_dimension[1]]
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def redraw_cellular_automaton(self):
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update_rects = list(self.__cell_redraw_dirty_rectangles())
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pygame.display.update(update_rects)
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def __cell_redraw_dirty_rectangles(self):
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for coordinate, cell in self._cellular_automaton.get_cells().items():
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if cell.is_set_for_redraw():
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yield from self.__redraw_cell(cell, coordinate)
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def __redraw_cell(self, cell, coordinate):
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cell_color = self.__get_cell_color(cell)
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cell_pos = self._calculate_cell_position_in_the_grid(coordinate)
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surface_pos = self._calculate_cell_position_on_screen(cell_pos)
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yield self._draw_the_cell_to_screen(cell_color, surface_pos)
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cell.was_redrawn()
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def __get_cell_color(self, cell):
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return self._cellular_automaton.get_current_rule().get_state_draw_color(
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cell.get_current_state(self._cellular_automaton.get_current_evolution_step()))
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def _calculate_cell_position_in_the_grid(self, coordinate):
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return list(map(operator.mul, self.__cell_size, coordinate))
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def _calculate_cell_position_on_screen(self, cell_pos):
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return [self.__rect.left + cell_pos[0], self.__rect.top + cell_pos[1]]
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def _draw_the_cell_to_screen(self, cell_color, surface_pos):
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return self.__screen.fill(cell_color, (surface_pos, self.__cell_size))
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class CAWindow:
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def __init__(self, cellular_automaton: automaton.CellularAutomatonProcessor,
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evolution_steps_per_draw=1,
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window_size=(1000, 800)):
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self._ca = cellular_automaton
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self.__window_size = window_size
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self.__init_pygame()
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self.__loop_evolution_and_redraw_of_automaton(evolution_steps_per_draw=evolution_steps_per_draw)
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def __init_pygame(self):
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pygame.init()
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pygame.display.set_caption("Cellular Automaton")
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self._screen = pygame.display.set_mode(self.__window_size)
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self._font = pygame.font.SysFont("monospace", 15)
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self.ca_display = _CASurface(pygame.Rect(0, 30, self.__window_size[0], self.__window_size[1] - 30),
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self._ca,
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self._screen)
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def __loop_evolution_and_redraw_of_automaton(self, evolution_steps_per_draw):
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running = True
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while running:
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pygame.event.get()
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time_ca_start = time.time()
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self._ca.evolve_x_times(evolution_steps_per_draw)
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time_ca_end = time.time()
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self.ca_display.redraw_cellular_automaton()
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time_ds_end = time.time()
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self.__print_process_duration(time_ca_end, time_ca_start, time_ds_end)
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def __print_process_duration(self, time_ca_end, time_ca_start, time_ds_end):
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self._screen.fill([0, 0, 0], ((0, 0), (self.__window_size[0], 30)))
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self.__write_text((10, 5), "CA: " + "{0:.4f}".format(time_ca_end - time_ca_start) + "s")
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self.__write_text((310, 5), "Display: " + "{0:.4f}".format(time_ds_end - time_ca_end) + "s")
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self.__write_text((660, 5), "Step: " + str(self._ca.get_current_evolution_step()))
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def __write_text(self, pos, text, color=(0, 255, 0)):
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label = self._font.render(text, 1, color)
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update_rect = self._screen.blit(label, pos)
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pygame.display.update(update_rect)
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