312 lines
11 KiB
Python
312 lines
11 KiB
Python
|
"""ClusterMsgs module: Message types for Cluster rendering"""
|
||
|
|
|
||
|
|
# This module is intended to supply routines and dataformats common to
|
||
|
|
# both ClusterClient and ClusterServer.
|
||
|
|
|
||
|
|
from panda3d.core import *
|
||
|
|
from direct.distributed.PyDatagram import PyDatagram
|
||
|
|
from direct.distributed.PyDatagramIterator import PyDatagramIterator
|
||
|
|
import time
|
||
|
|
|
||
|
|
#these are the types of messages that are currently supported.
|
||
|
|
CLUSTER_NONE = 0
|
||
|
|
CLUSTER_CAM_OFFSET = 1
|
||
|
|
CLUSTER_CAM_FRUSTUM = 2
|
||
|
|
CLUSTER_CAM_MOVEMENT = 3
|
||
|
|
CLUSTER_SWAP_READY = 4
|
||
|
|
CLUSTER_SWAP_NOW = 5
|
||
|
|
CLUSTER_COMMAND_STRING = 6
|
||
|
|
CLUSTER_SELECTED_MOVEMENT = 7
|
||
|
|
CLUSTER_TIME_DATA = 8
|
||
|
|
CLUSTER_NAMED_OBJECT_MOVEMENT = 9
|
||
|
|
CLUSTER_NAMED_MOVEMENT_DONE = 10
|
||
|
|
CLUSTER_EXIT = 100
|
||
|
|
|
||
|
|
#Port number for cluster rendering
|
||
|
|
# DAEMON PORT IS PORT USED FOR STARTUP MESSAGE EXCHANGE
|
||
|
|
# CAN BE OVERRIDEN WITH cluster-daemon-client-port for client
|
||
|
|
# and cluster-daemon-server-port for server
|
||
|
|
CLUSTER_DAEMON_PORT = 8001
|
||
|
|
# THIS IS THE TCP PORT USED FOR EXCHANGE OF DATA ONCE STARTUP IS COMPLETE
|
||
|
|
CLUSTER_SERVER_PORT = 1970
|
||
|
|
|
||
|
|
# Precede command string with ! to tell server to execute command string
|
||
|
|
# NOTE: Had to stick with the import __builtin__ scheme, at startup,
|
||
|
|
# __builtins__ is a module, not a dictionary, like it is inside of a module
|
||
|
|
# Note, this startup string obviates the need to set any cluster related
|
||
|
|
# config variables in the client Configrc files
|
||
|
|
SERVER_STARTUP_STRING = (
|
||
|
|
'!bash ppython -c ' +
|
||
|
|
'"import __builtin__; ' +
|
||
|
|
'__builtin__.clusterMode = \'server\';' +
|
||
|
|
'__builtin__.clusterServerPort = %s;' +
|
||
|
|
'__builtin__.clusterSyncFlag = %d;' +
|
||
|
|
'__builtin__.clusterDaemonClient = \'%s\';' +
|
||
|
|
'__builtin__.clusterDaemonPort = %d;'
|
||
|
|
'from direct.directbase.DirectStart import *; run()"')
|
||
|
|
|
||
|
|
class ClusterMsgHandler:
|
||
|
|
"""ClusterMsgHandler: wrapper for PC clusters/multi-piping networking"""
|
||
|
|
def __init__(self, packetStart, notify):
|
||
|
|
# packetStart can be used to distinguish which ClusterMsgHandler
|
||
|
|
# sends a given packet.
|
||
|
|
self.packetNumber = packetStart
|
||
|
|
self.notify = notify
|
||
|
|
|
||
|
|
def nonBlockingRead(self, qcr):
|
||
|
|
"""
|
||
|
|
Return a datagram iterator and type if data is available on the
|
||
|
|
queued connection reader
|
||
|
|
"""
|
||
|
|
if qcr.dataAvailable():
|
||
|
|
datagram = NetDatagram()
|
||
|
|
if qcr.getData(datagram):
|
||
|
|
(dgi, type) = self.readHeader(datagram)
|
||
|
|
else:
|
||
|
|
dgi = None
|
||
|
|
type = CLUSTER_NONE
|
||
|
|
self.notify.warning("getData returned false")
|
||
|
|
else:
|
||
|
|
datagram = None
|
||
|
|
dgi = None
|
||
|
|
type = CLUSTER_NONE
|
||
|
|
# Note, return datagram to keep a handle on the data
|
||
|
|
return (datagram, dgi, type)
|
||
|
|
|
||
|
|
def blockingRead(self, qcr):
|
||
|
|
"""
|
||
|
|
Block until data is available on the queued connection reader.
|
||
|
|
Returns a datagram iterator and type
|
||
|
|
"""
|
||
|
|
while not qcr.dataAvailable():
|
||
|
|
# The following may not be necessary.
|
||
|
|
# I just wanted some
|
||
|
|
# time given to the operating system while
|
||
|
|
# busy waiting.
|
||
|
|
time.sleep(0.002)
|
||
|
|
# Data is available, create a datagram iterator
|
||
|
|
datagram = NetDatagram()
|
||
|
|
if qcr.getData(datagram):
|
||
|
|
(dgi, type) = self.readHeader(datagram)
|
||
|
|
else:
|
||
|
|
(dgi, type) = (None, CLUSTER_NONE)
|
||
|
|
self.notify.warning("getData returned false")
|
||
|
|
# Note, return datagram to keep a handle on the data
|
||
|
|
return (datagram, dgi, type)
|
||
|
|
|
||
|
|
def readHeader(self, datagram):
|
||
|
|
dgi = PyDatagramIterator(datagram)
|
||
|
|
number = dgi.getUint32()
|
||
|
|
type = dgi.getUint8()
|
||
|
|
self.notify.debug("Packet %d type %d received" % (number, type))
|
||
|
|
return (dgi, type)
|
||
|
|
|
||
|
|
def makeCamOffsetDatagram(self, xyz, hpr):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_CAM_OFFSET)
|
||
|
|
datagram.addFloat32(xyz[0])
|
||
|
|
datagram.addFloat32(xyz[1])
|
||
|
|
datagram.addFloat32(xyz[2])
|
||
|
|
datagram.addFloat32(hpr[0])
|
||
|
|
datagram.addFloat32(hpr[1])
|
||
|
|
datagram.addFloat32(hpr[2])
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseCamOffsetDatagram(self, dgi):
|
||
|
|
x=dgi.getFloat32()
|
||
|
|
y=dgi.getFloat32()
|
||
|
|
z=dgi.getFloat32()
|
||
|
|
h=dgi.getFloat32()
|
||
|
|
p=dgi.getFloat32()
|
||
|
|
r=dgi.getFloat32()
|
||
|
|
self.notify.debug('new offset=%f %f %f %f %f %f' % (x, y, z, h, p, r))
|
||
|
|
return (x, y, z, h, p, r)
|
||
|
|
|
||
|
|
def makeCamFrustumDatagram(self, focalLength, filmSize, filmOffset):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_CAM_FRUSTUM)
|
||
|
|
datagram.addFloat32(focalLength)
|
||
|
|
datagram.addFloat32(filmSize[0])
|
||
|
|
datagram.addFloat32(filmSize[1])
|
||
|
|
datagram.addFloat32(filmOffset[0])
|
||
|
|
datagram.addFloat32(filmOffset[1])
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseCamFrustumDatagram(self, dgi):
|
||
|
|
focalLength = dgi.getFloat32()
|
||
|
|
filmSize = (dgi.getFloat32(), dgi.getFloat32())
|
||
|
|
filmOffset = (dgi.getFloat32(), dgi.getFloat32())
|
||
|
|
self.notify.debug('fl, fs, fo=%f, (%f, %f), (%f, %f)' %
|
||
|
|
(focalLength, filmSize[0], filmSize[1],
|
||
|
|
filmOffset[0], filmOffset[1]))
|
||
|
|
return (focalLength, filmSize, filmOffset)
|
||
|
|
|
||
|
|
def makeCamMovementDatagram(self, xyz, hpr):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_CAM_MOVEMENT)
|
||
|
|
datagram.addFloat32(xyz[0])
|
||
|
|
datagram.addFloat32(xyz[1])
|
||
|
|
datagram.addFloat32(xyz[2])
|
||
|
|
datagram.addFloat32(hpr[0])
|
||
|
|
datagram.addFloat32(hpr[1])
|
||
|
|
datagram.addFloat32(hpr[2])
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
|
||
|
|
def makeNamedMovementDone(self):
|
||
|
|
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_NAMED_MOVEMENT_DONE)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
|
||
|
|
def makeNamedObjectMovementDatagram(self, xyz, hpr, scale, color, hidden, name):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_NAMED_OBJECT_MOVEMENT)
|
||
|
|
datagram.addString(name)
|
||
|
|
datagram.addFloat32(xyz[0])
|
||
|
|
datagram.addFloat32(xyz[1])
|
||
|
|
datagram.addFloat32(xyz[2])
|
||
|
|
datagram.addFloat32(hpr[0])
|
||
|
|
datagram.addFloat32(hpr[1])
|
||
|
|
datagram.addFloat32(hpr[2])
|
||
|
|
datagram.addFloat32(scale[0])
|
||
|
|
datagram.addFloat32(scale[1])
|
||
|
|
datagram.addFloat32(scale[2])
|
||
|
|
datagram.addFloat32(color[0])
|
||
|
|
datagram.addFloat32(color[1])
|
||
|
|
datagram.addFloat32(color[2])
|
||
|
|
datagram.addFloat32(color[3])
|
||
|
|
datagram.addBool(hidden)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseCamMovementDatagram(self, dgi):
|
||
|
|
x=dgi.getFloat32()
|
||
|
|
y=dgi.getFloat32()
|
||
|
|
z=dgi.getFloat32()
|
||
|
|
h=dgi.getFloat32()
|
||
|
|
p=dgi.getFloat32()
|
||
|
|
r=dgi.getFloat32()
|
||
|
|
self.notify.debug((' new position=%f %f %f %f %f %f' %
|
||
|
|
(x, y, z, h, p, r)))
|
||
|
|
return (x, y, z, h, p, r)
|
||
|
|
|
||
|
|
def parseNamedMovementDatagram(self, dgi):
|
||
|
|
name = dgi.getString()
|
||
|
|
x=dgi.getFloat32()
|
||
|
|
y=dgi.getFloat32()
|
||
|
|
z=dgi.getFloat32()
|
||
|
|
h=dgi.getFloat32()
|
||
|
|
p=dgi.getFloat32()
|
||
|
|
r=dgi.getFloat32()
|
||
|
|
sx = dgi.getFloat32()
|
||
|
|
sy = dgi.getFloat32()
|
||
|
|
sz = dgi.getFloat32()
|
||
|
|
red = dgi.getFloat32()
|
||
|
|
g = dgi.getFloat32()
|
||
|
|
b = dgi.getFloat32()
|
||
|
|
a = dgi.getFloat32()
|
||
|
|
hidden = dgi.getBool()
|
||
|
|
return (name,x, y, z, h, p, r, sx, sy, sz, red, g, b, a, hidden)
|
||
|
|
|
||
|
|
|
||
|
|
def makeSelectedMovementDatagram(self, xyz, hpr, scale):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_SELECTED_MOVEMENT)
|
||
|
|
datagram.addFloat32(xyz[0])
|
||
|
|
datagram.addFloat32(xyz[1])
|
||
|
|
datagram.addFloat32(xyz[2])
|
||
|
|
datagram.addFloat32(hpr[0])
|
||
|
|
datagram.addFloat32(hpr[1])
|
||
|
|
datagram.addFloat32(hpr[2])
|
||
|
|
datagram.addFloat32(scale[0])
|
||
|
|
datagram.addFloat32(scale[1])
|
||
|
|
datagram.addFloat32(scale[2])
|
||
|
|
#datagram.addBool(hidden)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseSelectedMovementDatagram(self, dgi):
|
||
|
|
x=dgi.getFloat32()
|
||
|
|
y=dgi.getFloat32()
|
||
|
|
z=dgi.getFloat32()
|
||
|
|
h=dgi.getFloat32()
|
||
|
|
p=dgi.getFloat32()
|
||
|
|
r=dgi.getFloat32()
|
||
|
|
sx=dgi.getFloat32()
|
||
|
|
sy=dgi.getFloat32()
|
||
|
|
sz=dgi.getFloat32()
|
||
|
|
self.notify.debug(' new position=%f %f %f %f %f %f %f %f %f' %
|
||
|
|
(x, y, z, h, p, r, sx, sy, sz))
|
||
|
|
return (x, y, z, h, p, r, sx, sy, sz)
|
||
|
|
|
||
|
|
def makeCommandStringDatagram(self, commandString):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_COMMAND_STRING)
|
||
|
|
datagram.addString(commandString)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseCommandStringDatagram(self, dgi):
|
||
|
|
command = dgi.getString()
|
||
|
|
return command
|
||
|
|
|
||
|
|
def makeSwapNowDatagram(self):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_SWAP_NOW)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def makeSwapReadyDatagram(self):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_SWAP_READY)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def makeExitDatagram(self):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_EXIT)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def makeTimeDataDatagram(self, frameCount, frameTime, dt):
|
||
|
|
datagram = PyDatagram()
|
||
|
|
datagram.addUint32(self.packetNumber)
|
||
|
|
self.packetNumber = self.packetNumber + 1
|
||
|
|
datagram.addUint8(CLUSTER_TIME_DATA)
|
||
|
|
datagram.addUint32(frameCount)
|
||
|
|
datagram.addFloat32(frameTime)
|
||
|
|
datagram.addFloat32(dt)
|
||
|
|
return datagram
|
||
|
|
|
||
|
|
def parseTimeDataDatagram(self, dgi):
|
||
|
|
frameCount=dgi.getUint32()
|
||
|
|
frameTime=dgi.getFloat32()
|
||
|
|
dt=dgi.getFloat32()
|
||
|
|
self.notify.debug('time data=%f %f' % (frameTime, dt))
|
||
|
|
return (frameCount, frameTime, dt)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|