def __init__(self):
"""Creates an empty Entity"""
#collection that holds all the components indexed by their ComponentType index
self.components = {}
#auxiliary array for user access to all the components of an entity
self.components_array = []
#a flag that can be used to bit mask this entity (user managed)
self.flags = 0
#will dispatch an event when a component is added
self.component_added = Signal()
#will dispatch an event when a component is removed
self.component_removed = Signal()
#describing all the components in this entity for quick matching
self.component_bits = Bits()
#describing all the systems this entity was matched with
self.family_bits = Bits()
self.index = Entity.next_index
Entity.next_index += 1
def test_signal_lambda(self): global SIGNAL_RECIEVED global OBJECT_RECIEVED s = Signal() l = Listener(lambda s, o: self.assign(s, o)) s.append(l) s(10) self.assertEqual(SIGNAL_RECIEVED, s) self.assertEqual(OBJECT_RECIEVED, 10) reset_recieved()
def test_signal_remove_while_dispatch(self): signal = Signal() dummy = Dummy() listenerA = RemoveWhileDispatchListenerMock() listenerB = ListenerMock() signal.append(listenerA) signal.append(listenerB) self.assertEqual(len(signal), 2) signal(dummy) self.assertEqual(listenerA.count, 1) self.assertEqual(listenerB.count, 1) self.assertEqual(len(signal), 1)
def test_signal_class(self): global SIGNAL_RECIEVED global OBJECT_RECIEVED s = Signal() l = TestListener() s.append(l) s(10) self.assertEqual(SIGNAL_RECIEVED, s) self.assertEqual(OBJECT_RECIEVED, 10) reset_recieved() s.remove(l) s(10) self.assertEqual(SIGNAL_RECIEVED, None) self.assertEqual(OBJECT_RECIEVED, None) reset_recieved()