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Fix: EntityPositionDeltaPacket.delta_{x,y,z} use wrong format

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This commit is contained in:
joo 2020-09-01 00:49:22 +02:00
parent eae6e5c9cd
commit cf93923acc
2 changed files with 14 additions and 14 deletions
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14
minecraft/networking/packets/clientbound/play/__init__.py
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@ -240,14 +240,14 @@ class EntityPositionDeltaPacket(Packet):
] ]
# The following transforms are retained for backward compatibility; # The following transforms are retained for backward compatibility;
# they represent the delta values as fixed-point integers with 5 bits # they represent the delta values as fixed-point integers with 12 bits
# of fractional part, regardless of the protocol version. # of fractional part, regardless of the protocol version.
delta_x = attribute_transform('delta_x_float', lambda x: int(x * 32), delta_x = attribute_transform(
lambda x: x / 32) 'delta_x_float', lambda x: int(x * 4096), lambda x: x / 4096)
delta_y = attribute_transform('delta_y_float', lambda y: int(y * 32), delta_y = attribute_transform(
lambda y: y / 32) 'delta_y_float', lambda y: int(y * 4096), lambda y: y / 4096)
delta_z = attribute_transform('delta_z_float', lambda z: int(z * 32), delta_z = attribute_transform(
lambda z: z / 32) 'delta_z_float', lambda z: int(z * 4096), lambda z: z / 4096)
class TimeUpdatePacket(Packet): class TimeUpdatePacket(Packet):

14
tests/test_backward_compatible.py
View File

@ -163,12 +163,12 @@ class ClassMemberAliasesTest(unittest.TestCase):
def test_entity_position_delta_packet(self): def test_entity_position_delta_packet(self):
packet = clientbound.play.EntityPositionDeltaPacket() packet = clientbound.play.EntityPositionDeltaPacket()
packet.delta_x = -128 packet.delta_x = -32768
packet.delta_y = 33 packet.delta_y = 33
packet.delta_z = 127 packet.delta_z = 32767
self.assertEqual(packet.delta_x_float, -4.0) self.assertEqual(packet.delta_x_float, -8.0)
self.assertEqual(packet.delta_y_float, 1.03125) self.assertEqual(packet.delta_y_float, 0.008056640625)
self.assertEqual(packet.delta_z_float, 3.96875) self.assertEqual(packet.delta_z_float, 7.999755859375)
self.assertEqual(packet.delta_x, -128) self.assertEqual(packet.delta_x, -32768)
self.assertEqual(packet.delta_y, 33) self.assertEqual(packet.delta_y, 33)
self.assertEqual(packet.delta_z, 127) self.assertEqual(packet.delta_z, 32767)