def _remove_component(self, component):
if component.__class__ not in self._components:
pass
if type(self._components[component.__class__]) is list:
if component in self._components[component.__class__]:
self._components[component.__class__].remove(component)
else:
if isinstance(component, IDrawable):
self._components[IDrawable] = None
else:
del self._components[component.__class__]
if isinstance(component, IResource):
try:
component.unload()
except:
errorutils.handle_exception()
if self.started:
Game.instance().scene.game_object_remove_component(self, component)
component.game_object = None
try:
component.finish()
except:
errorutils.handle_exception()
def play(self):
"""
Start the game loop.
This function only return when the quit method is called.
:return:
"""
self._running = True
while self._running:
try:
Time.instance().update()
self._handle_event()
# just for safety
if self.scene is not None:
self.scene.update()
self.scene.draw()
pygame.display.flip()
self.surface.fill(self.scene.background_color)
if self._next_scene is not None:
if self.scene is not None:
self.scene.finish()
self._next_scene.start()
self._current_scene = self._next_scene
self._next_scene = None
except:
errorutils.handle_exception()
try:
self.quit()
except:
errorutils.handle_exception()
def _add_component(self, component):
if component.is_unique:
if component.__class__ in self._components:
raise Exception("Try to add a duplicate component marked as unique. " + str(component.__class__))
if isinstance(component, IDrawable):
self._components[IDrawable] = component
else:
self._components[component.__class__] = component
else:
self._components.setdefault(component.__class__, [])
if component not in self._components[component.__class__]:
self._components[component.__class__].append(component)
if isinstance(component, IResource):
try:
component.load()
except:
errorutils.handle_exception()
if self.started:
Game.instance().scene.game_object_add_component(self, component)
component.game_object = self
try:
component.start()
except:
errorutils.handle_exception()
def finish(self):
try:
if self._current_scene is not None:
self._current_scene.finish()
pygame.quit()
except:
errorutils.handle_exception()
def _update_list_game_object(self):
for game_object in self._included:
self._game_objects[game_object.id] = game_object
if game_object.get_component(IDrawable) is not None:
comp = game_object.get_component(IDrawable)
self._game_objects_drawable[comp.layer, comp.order_in_layer, game_object.id] = game_object
if game_object.get_component(IDrawer) is not None:
if game_object not in self._game_objects_drawer:
self._game_objects_drawer.append(game_object)
try:
game_object.start()
except:
errorutils.handle_exception()
for game_object in self._removed:
if game_object.id not in self._game_objects:
pass
del self._game_objects[game_object.id]
comp = game_object.get_component(IDrawable)
if game_object.get_component(IDrawable) is not None:
if (comp.layer, comp.order_in_layer, game_object.id) in self._game_objects_drawable:
del self._game_objects_drawable[comp.layer, comp.order_in_layer, game_object.id]
if game_object.get_component(IDrawer) is not None:
if game_object in self._game_objects_drawer:
self._game_objects_drawer.remove(game_object)
try:
game_object.finish()
except:
errorutils.handle_exception()
self._included = []
self._removed = []
def update(self):
if not self.is_updating:
pass
for component in self._components.values():
try:
component.update()
except:
errorutils.handle_exception()
self._update_component_list()
def draw(self):
if not self.is_drawing:
pass
for drawer in self._game_objects_drawer:
if not drawer.is_drawing:
continue
try:
drawer.draw()
except:
errorutils.handle_exception()
def update(self):
Physics.instance().update()
if not self.is_updating:
pass
index = 0
self._update_list_game_object()
for game_object in self._game_objects.values():
if not game_object.is_updating:
continue
try:
game_object.update()
except:
errorutils.handle_exception()
index += 1
def start(self):
try:
pygame.init()
self.set_configuration()
except:
errorutils.handle_exception()
