+ self.do_move(direction)
+
+ def do_move(self, direction):
+ if not self.level_obj:
+ return
+ # Do nothing on null moves
+ if not self.player.move(direction, self.level_obj):
+ return
+ self.check_state()
+ self.do_nemesis_move()
+
+ def do_nemesis_move(self):
+ self.nemesis.move(self.level_obj, self.player.pos)
+ self.check_state()
+ self.reset_timer()
+ self.draw_nemesis()
+ self.draw_player()
+
+ def timed_move(self, event):
+ if not self.level_obj:
+ return
+ self.do_nemesis_move()
+
+ def reset_timer(self):
+ self.timer_set = True
+ Clock.unschedule(self.timed_move)
+ Clock.schedule_once(self.timed_move, 0.5)
+
+ def check_caught(self):
+ return self.nemesis.pos == self.player.pos
+
+ def reset_level(self):
+ Clock.unschedule(self.timed_move)
+ self.timer_set = False
+ if self.nemesis_tile:
+ self.remove_widget(self.nemesis_tile)
+ self.nemesis.reset_pos()
+ if self.level_obj:
+ self.level_obj.load_tiles()
+ self.player.pos = self.level_obj.enter_pos
+ self.remove_widget(self.player_tile)
+ self.view.scroll_x = 0
+ self.view.scroll_y = 0
+ self.build()
+ self.draw_nemesis()
+ self.draw_player()
+ return True
+ return False
+
+ def check_state(self):
+ if not self.level_obj:
+ return
+ if self.level_obj.at_exit(self.player.pos):
+ # Jump to next level
+ self.level_obj = self.level_list.advance_to_next_level()
+ if not self.reset_level():
+ self.app.game_over(True)
+ return
+ elif self.check_caught():
+ # Caught
+ self.app.game_over(False)
+ return
+ elif self.level_obj.is_button(self.player.pos):
+ self.level_obj.trigger_button(self.player.pos)
+ elif self.level_obj.is_button(self.nemesis.pos):
+ self.level_obj.trigger_button(self.nemesis.pos)
+ for map_pos, new_tile in self.level_obj.get_changed_tiles():
+ pos = (map_pos[0] * TILE_SIZE, map_pos[1] * TILE_SIZE)
+ self.draw_tile(pos, new_tile)
+
+ def _calc_mouse_pos(self, pos):
+ pos = self.to_local(*pos)
+ return (int(pos[0] / TILE_SIZE), int(pos[1] / TILE_SIZE))
+
+ def on_touch_down(self, touch):
+ pos = self._calc_mouse_pos(touch.pos)
+ if pos == self.player.pos:
+ self.mouse_move = True
+ self.mouse_start = pos
+
+ def on_touch_up(self, touch):
+ self.mouse_move = False
+
+ def on_touch_move(self, touch):
+ if self.mouse_move:
+ pos = self._calc_mouse_pos(touch.pos)
+ if (pos[0] - self.mouse_start[0] != 0) or (
+ pos[1] - self.mouse_start[1] != 0):
+ direction = (pos[0] - self.mouse_start[0],
+ pos[1] - self.mouse_start[1])
+ self.do_move(direction)
+ self.mouse_start = pos
+
+
+class Screen(Widget):
+
+ BACKGROUND = None
+ START = 'Start'
+
+ def __init__(self, app):
+ super(Screen, self).__init__()
+ self.image = load_image(self.BACKGROUND)
+ self.app = app
+ with self.canvas:
+ Rectangle(pos=(0, 0), size=(1026, 760),
+ texture=self.image.texture)
+
+ self.stop_button = Label(
+ text='[ref=quit][color=ff0066]Quit[/color][/ref]',
+ font_size=30,
+ markup=True,
+ size=(200, 40),
+ pos=((1026 - 200) / 2 - 100, 100))
+ self.stop_button.bind(on_ref_press=self.app.stop_app)
+ self.start_button = Label(
+ text="[ref=start][color=00ff66]%s[/color][/ref]" % self.START,
+ font_size=30,
+ markup=True, size=(200, 40),
+ pos=((1026 - 200) / 2 + 100, 100))
+ self.start_button.bind(on_ref_press=self.app.start_game)
+ self.add_widget(self.stop_button)
+ self.add_widget(self.start_button)
+
+
+class IntroScreen(Screen):
+
+ BACKGROUND = 'screens/intro_screen.png'
+ START = 'Start the Game'
+
+
+class WonScreen(Screen):
+
+ BACKGROUND = 'screens/won.png'
+ START = 'Play again?'
+
+
+class LostScreen(Screen):
+
+ BACKGROUND = 'screens/lost.png'
+ START = 'Retry?'