86 lines
2.6 KiB
Python

import Messages.LowLevelMessages as LowLevelMessages
from Thing import Thing
class IMessage:
id = 0x00
## Serialize the message into the given buffer
#
## @returns: the length of the message
def Serialize(buffer):
return 0
def SendTo(self, participant):
buffer_size = self.Serialize([participant.buffer])
if buffer_size == 0:
return False
return participant.SendBuffer(buffer_size)
def Publish(self, participant):
bufferSize = self.Serialize([participant.buffer])
if bufferSize == 0:
return False
return participant.PublishBuffer(bufferSize)
class InvestigateMsg():
id = 0x81
length = 3
def __init__(self, buffer):
self.network_id = buffer[1]
self.thing_id = buffer[2]
class PoseMsg(IMessage):
id = 0x10
length = 4
def __init__(self, network_id, thing):
self.network_id = network_id
self.thing = thing
def Serialize(self, buffer_ref):
if (self.network_id is None) or (self.thing is None):
return 0
buffer: bytearray = buffer_ref[0]
buffer[0:PoseMsg.length] = [
PoseMsg.id,
self.network_id,
self.thing.id,
self.thing.pose_updated
]
ix = [4]
if self.thing.pose_updated & Thing.Position:
LowLevelMessages.SendSpherical(buffer, ix, self.thing.position)
if self.thing.pose_updated & Thing.Orientation:
LowLevelMessages.SendQuat32(buffer, ix, self.thing.orientation)
if self.thing.pose_updated & Thing.LinearVelocity:
LowLevelMessages.SendSpherical(buffer, ix, self.thing.linearVelocity)
if self.thing.pose_updated & Thing.AngularVelocity:
LowLevelMessages.SendSpherical(buffer, ix, self.thing.angularVelocity)
return ix[0]
class BinaryMsg():
id = 0xB1
def __init__(self, buffer):
self.network_id = buffer[1]
self.thing_id = buffer[2]
self.thing: Thing = Thing.Get(self.network_id, self.thing_id)
self.data = buffer[3:]
def SendTo(participant, thing, data: bytearray):
length = 3
if thing.network_id is None or thing is None or data is None:
return False
participant.buffer[0:length] = [
BinaryMsg.id,
participant.network_id,
thing.id
]
full_length = length + len(data)
participant.buffer[length:full_length] = data
participant.SendBuffer(full_length)
return True